annotate xml/en/docs/njs/reference.xml @ 2670:e53592a1d979

Improved descriptions of s.done, s.allow, s.decline, s.deny.
author Yaroslav Zhuravlev <yar@nginx.com>
date Fri, 05 Mar 2021 18:22:39 +0000
parents e067ad74b0cd
children 8f3e9ff2785f
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 <?xml version="1.0"?>
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2
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3 <!--
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4 Copyright (C) Nginx, Inc.
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5 -->
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6
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7 <!DOCTYPE article SYSTEM "../../../../dtd/article.dtd">
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8
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9 <article name="Reference"
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10 link="/en/docs/njs/reference.html"
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11 lang="en"
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12 rev="67">
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13
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14 <section id="summary">
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15
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16 <para>
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17 <link doc="index.xml">njs</link> provides objects, methods and properties
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18 for extending nginx functionality.
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19 </para>
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20
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21 <para>
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22 This reference contains only njs specific properties, methods and modules
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23 not compliant with ECMAScript.
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24 Definitions of njs properties and methods compliant with ECMAScript
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25 can be found in
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26 <link url="http://www.ecma-international.org/ecma-262/">ECMAScript
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27 specification</link>.
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28 List of all njs properties and methods can be found in
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29 <link doc="compatibility.xml">Compatibility</link>.
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30 </para>
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31
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32 </section>
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33
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34
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35 <section id="http_stream" name="nginx objects">
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36
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37
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38 <section id="http" name="HTTP Request">
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39
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40 <para>
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41 The HTTP request object is available only in the
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42 <link doc="../http/ngx_http_js_module.xml">ngx_http_js_module</link> module.
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43 All string properties of the object are
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44 <link id="string">byte strings</link>.
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45
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46 <list type="tag">
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47
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48 <tag-name id="r_args"><literal>r.args{}</literal></tag-name>
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49 <tag-desc>
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50 request arguments object, read-only
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51 </tag-desc>
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52
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53 <tag-name id="r_done"><literal>r.done()</literal></tag-name>
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54 <tag-desc>
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55 after calling this function,
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56 next data chunks will be passed to client without calling
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57 <link doc="../http/ngx_http_js_module.xml" id="js_body_filter"/>
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58 (<link doc="changes.xml" id="njs0.5.2">0.5.2</link>).
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59 May be called only from the
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60 <link doc="../http/ngx_http_js_module.xml" id="js_body_filter"/> function
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61 </tag-desc>
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62
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63 <tag-name id="r_error"><literal>r.error(<value>string</value>)</literal></tag-name>
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64 <tag-desc>
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65 writes a <literal>string</literal> to the error log
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66 on the <literal>error</literal> level of logging
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67 </tag-desc>
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68
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69 <tag-name id="r_finish"><literal>r.finish()</literal></tag-name>
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70 <tag-desc>
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71 finishes sending a response to the client
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72 </tag-desc>
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73
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74 <tag-name id="r_headers_in"><literal>r.headersIn{}</literal></tag-name>
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75 <tag-desc>
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76 incoming headers object, read-only.
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77 <para>
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78 The <literal>Foo</literal> request header
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79 can be accessed with the syntax:
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80 <literal>headersIn.foo</literal> or <literal>headersIn['Foo']</literal>.
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81 </para>
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82
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83 <para>
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84 The
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85 <header>Authorization</header>,
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86 <header>Content-Length</header>,
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87 <header>Content-Range</header>,
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88 <header>Content-Type</header>,
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89 <header>ETag</header>,
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90 <header>Expect</header>,
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91 <header>From</header>,
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92 <header>Host</header>,
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93 <header>If-Match</header>,
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94 <header>If-Modified-Since</header>,
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95 <header>If-None-Match</header>,
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96 <header>If-Range</header>,
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97 <header>If-Unmodified-Since</header>,
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98 <header>Max-Forwards</header>,
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99 <header>Proxy-Authorization</header>,
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100 <header>Referer</header>,
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101 <header>Transfer-Encoding</header>, and
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102 <header>User-Agent</header>
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103 request headers can have only one field value
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104 (<link doc="changes.xml" id="njs0.4.1">0.4.1</link>).
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105 Duplicate field values in <header>Cookie</header> headers
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106 are separated by semicolon (<literal>;</literal>).
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107 Duplicate field values in all other request headers are separated by commas.
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108 </para>
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109 </tag-desc>
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110
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111 <tag-name id="r_headers_out"><literal>r.headersOut{}</literal></tag-name>
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112 <tag-desc>
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113 outgoing headers object, writable.
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114 <para>
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115 The <header>Foo</header> response header
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116 can be accessed with the syntax:
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117 <literal>headersOut.foo</literal> or <literal>headersOut['Foo']</literal>.
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118 </para>
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119
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120 <para>
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121 Field values of multi-value response headers
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122 (<link doc="changes.xml" id="njs0.4.0">0.4.0</link>)
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123 can be set with the syntax:
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124 <example>
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125 r.headersOut['Foo'] = ['a', 'b']
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126 </example>
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127 where the output will be:
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128 <example>
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129 Foo: a
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130 Foo: b
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131 </example>
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132 All previous field values of the <header>Foo</header> response header
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133 will be deleted.
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134 </para>
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135
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136 <para>
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137 For standard response headers
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138 that accept only a single field value such as
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139 <header>Content-Type</header>,
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diff changeset
140 only the last element of the array will take effect.
2544
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141 Field values of the <header>Set-Cookie</header> response header
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142 are always returned as an array.
2532
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143 Duplicate field values in
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144 <header>Age</header>,
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145 <header>Content-Encoding</header>,
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146 <header>Content-Length</header>,
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147 <header>Content-Type</header>,
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148 <header>ETag</header>,
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149 <header>Expires</header>,
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150 <header>Last-Modified</header>,
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151 <header>Location</header>,
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152 <header>Retry-After</header>
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153 response headers are ignored.
2537
d6bbfd20c82f Rephrased a sentence in r.headersOut in njs.
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154 Duplicate field values in all other response headers
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155 are separated by commas.
2247
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156 </para>
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157 </tag-desc>
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158
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159 <tag-name id="r_http_version"><literal>r.httpVersion</literal></tag-name>
2247
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160 <tag-desc>
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161 HTTP version, read-only
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162 </tag-desc>
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163
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164 <tag-name id="r_internal_redirect"><literal>r.internalRedirect(<value>uri</value>)</literal></tag-name>
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165 <tag-desc>
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166 performs an internal redirect to the specified <literal>uri</literal>.
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167 If the uri starts with the “<literal>@</literal>” prefix,
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168 it is considered a named location.
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diff changeset
169 The actual redirect happens after the handler execution is completed.
2247
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170 </tag-desc>
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171
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172 <tag-name id="r_log"><literal>r.log(<value>string</value>)</literal></tag-name>
2545
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173 <tag-desc>
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174 writes a <literal>string</literal> to the error log
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175 on the <literal>info</literal> level of logging
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176 </tag-desc>
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177
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178 <tag-name id="r_method"><literal>r.method</literal></tag-name>
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179 <tag-desc>
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180 HTTP method, read-only
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181 </tag-desc>
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182
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183 <tag-name id="r_parent"><literal>r.parent</literal></tag-name>
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184 <tag-desc>
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185 references the parent request object
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186 </tag-desc>
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187
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188 <tag-name id="r_remote_address"><literal>r.remoteAddress</literal></tag-name>
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189 <tag-desc>
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190 client address, read-only
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191 </tag-desc>
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192
2628
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193 <tag-name id="r_request_body"><literal>r.requestBody</literal></tag-name>
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194 <tag-desc>
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195 the property is deprecated since
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196 <link doc="changes.xml" id="njs0.5.0">0.5.0</link>,
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197 the <link id="r_request_buffer"><literal>r.requestBuffer</literal></link> or
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198 <link id="r_request_text"><literal>r.requestText</literal></link> property
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199 should be used instead.
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200 </tag-desc>
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201
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202 <tag-name id="r_request_buffer"><literal>r.requestBuffer</literal></tag-name>
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203 <tag-desc>
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204 client request body if it has not been written to a temporary file
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diff changeset
205 (since <link doc="changes.xml" id="njs0.5.0">0.5.0</link>).
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diff changeset
206 To ensure that the client request body is in memory,
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207 its size should be limited by
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208 <link doc="../http/ngx_http_core_module.xml" id="client_max_body_size"/>,
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209 and a sufficient buffer size should be set using
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diff changeset
210 <link doc="../http/ngx_http_core_module.xml" id="client_body_buffer_size"/>.
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211 The property is available only in the
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212 <link doc="../http/ngx_http_js_module.xml" id="js_content"/> directive.
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213 </tag-desc>
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214
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215 <tag-name id="r_request_text"><literal>r.requestText</literal></tag-name>
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216 <tag-desc>
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diff changeset
217 the same as <link id="r_request_buffer"><literal>r.requestBuffer</literal></link>,
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218 but returns a <literal>string</literal>.
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diff changeset
219 Note that
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220 it may convert bytes invalid in utf8 encoding into the replacement character.
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221 </tag-desc>
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222
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223 <tag-name id="r_raw_headers_in"><literal>r.rawHeadersIn{}</literal></tag-name>
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224 <tag-desc>
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225 returns an array of key-value pairs
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226 exactly as they were received from the client
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diff changeset
227 (<link doc="changes.xml" id="njs0.4.1">0.4.1</link>).
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228 <para>
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diff changeset
229 For example, with the following request headers:
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diff changeset
230 <example>
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diff changeset
231 Host: localhost
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diff changeset
232 Foo: bar
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233 foo: bar2
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234 </example>
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235 the output of <literal>r.rawHeadersIn</literal> will be:
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diff changeset
236 <example>
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diff changeset
237 [
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238 ['Host', 'localhost'],
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diff changeset
239 ['Foo', 'bar'],
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diff changeset
240 ['foo', 'bar2']
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diff changeset
241 ]
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diff changeset
242 </example>
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diff changeset
243 All <literal>foo</literal> headers
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diff changeset
244 can be collected with the syntax:
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diff changeset
245 <example>
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diff changeset
246 r.rawHeadersIn.filter(v=>v[0].toLowerCase() == 'foo').map(v=>v[1])
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247 </example>
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248 the output will be:
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249 <example>
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250 ['bar', 'bar2']
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diff changeset
251 </example>
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diff changeset
252 Header field names are not converted to lower case,
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diff changeset
253 duplicate field values are not merged.
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diff changeset
254 </para>
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diff changeset
255 </tag-desc>
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diff changeset
256
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257 <tag-name id="r_raw_headers_out"><literal>r.rawHeadersOut{}</literal></tag-name>
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258 <tag-desc>
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259 returns an array of key-value pairs of response headers
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260 (<link doc="changes.xml" id="njs0.4.1">0.4.1</link>).
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261 Header field names are not converted to lower case,
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262 duplicate field values are not merged.
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263 </tag-desc>
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264
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265 <tag-name id="r_response_body"><literal>r.responseBody</literal></tag-name>
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266 <tag-desc>
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267 the property is deprecated since
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268 <link doc="changes.xml" id="njs0.5.0">0.5.0</link>,
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269 the <link id="r_response_buffer"><literal>r.responseBuffer</literal></link>
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270 or
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271 the <link id="r_response_text"><literal>r.responseText</literal></link>
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272 property
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273 should be used instead.
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274 </tag-desc>
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275
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276 <tag-name id="r_response_buffer"><literal>r.responseBuffer</literal></tag-name>
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277 <tag-desc>
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278 holds the <link id="r_subrequest">subrequest</link> response body,
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279 read-only
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280 (since <link doc="changes.xml" id="njs0.5.0">0.5.0</link>).
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281 The size of <literal>r.responseBuffer</literal> is limited by the
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282 <link doc="../http/ngx_http_core_module.xml" id="subrequest_output_buffer_size"/>
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283 directive.
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284 </tag-desc>
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285
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286 <tag-name id="r_response_text"><literal>r.responseText</literal></tag-name>
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287 <tag-desc>
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288 the same as <link id="r_response_buffer"><literal>r.responseBuffer</literal></link>
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289 but returns a string
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290 (since <link doc="changes.xml" id="njs0.5.0">0.5.0</link>).
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291 Note that
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292 it may convert bytes invalid in utf8 encoding into the replacement character.
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293 </tag-desc>
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294
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295 <tag-name id="r_return"><literal>r.return(status[,
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296 string | Buffer])</literal></tag-name>
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297 <tag-desc>
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298 sends the entire response
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299 with the specified <literal>status</literal> to the client.
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300 The response can be a string or Buffer
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301 (<link doc="changes.xml" id="njs0.5.0">0.5.0</link>).
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302 <para>
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303 It is possible to specify either a redirect URL
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304 (for codes 301, 302, 303, 307, and 308)
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305 or the response body text (for other codes) as the second argument
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306 </para>
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307 </tag-desc>
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308
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309 <tag-name id="r_send"><literal>r.send(string
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310 | Buffer)</literal></tag-name>
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311 <tag-desc>
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312 sends a part of the response body to the client.
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313 The data sent can be a string or Buffer
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314 (<link doc="changes.xml" id="njs0.5.0">0.5.0</link>)
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315 </tag-desc>
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316
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317 <tag-name id="r_sendbuffer"><literal>r.sendBuffer(<value>data</value>[,
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318 <value>options</value>])</literal></tag-name>
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319 <tag-desc>
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320 adds data to the chain of data chunks to be forwarded to the next body filter
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321 (<link doc="changes.xml" id="njs0.5.2">0.5.2</link>).
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322 The actual forwarding happens later,
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323 when the all the data chunks of the current chain are processed.
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324 <para>
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325 The data can be a string or Buffer.
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326 The <literal>options</literal> is an object used
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327 to override nginx buffer flags derived from an incoming data chunk buffer.
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328 The flags can be overridden with the following flags:
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329 <list type="tag">
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330
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331 <tag-name><literal>last</literal></tag-name>
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332 <tag-desc>
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333 boolean,
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334 true if the buffer is the last buffer
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335 </tag-desc>
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336
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337 <tag-name><literal>flush</literal></tag-name>
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338 <tag-desc>
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339 boolean,
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340 true if the buffer should have the <literal>flush</literal> flag
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341 </tag-desc>
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342 </list>
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343 </para>
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344 The method may be called only from the
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345 <link doc="../http/ngx_http_js_module.xml" id="js_body_filter"/> function.
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346 </tag-desc>
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347
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348 <tag-name id="r_send_header"><literal>r.sendHeader()</literal></tag-name>
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349 <tag-desc>
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350 sends the HTTP headers to the client
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351 </tag-desc>
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352
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353 <tag-name id="r_status"><literal>r.status</literal></tag-name>
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354 <tag-desc>
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355 status, writable
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diff changeset
356 </tag-desc>
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diff changeset
357
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358 <tag-name id="r_subrequest"><literal>r.subrequest(<value>uri</value>[,
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359 <value>options</value>[, <value>callback</value>]])</literal></tag-name>
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360 <tag-desc>
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361 creates a subrequest with the given <literal>uri</literal> and
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diff changeset
362 <literal>options</literal>, and installs
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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363 an optional completion <literal>callback</literal>.
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diff changeset
364
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365 <para>
2340
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diff changeset
366 A
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diff changeset
367 <link doc="../dev/development_guide.xml.xml" id="http_subrequests">subrequest</link>
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368 shares its input headers with the client request.
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diff changeset
369 To send headers different from original headers to a proxied server, the
537130c40c1f Updated r.subrequest desctiption in njs.
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diff changeset
370 <link doc="../http/ngx_http_proxy_module.xml" id="proxy_set_header"/>
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diff changeset
371 directive can be used.
537130c40c1f Updated r.subrequest desctiption in njs.
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diff changeset
372 To send a completely new set of headers to a proxied server, the
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diff changeset
373 <link doc="../http/ngx_http_proxy_module.xml" id="proxy_pass_request_headers"/>
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diff changeset
374 directive can be used.
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diff changeset
375 </para>
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diff changeset
376
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377 <para>
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diff changeset
378 If <literal>options</literal> is a string, then it
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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diff changeset
379 holds the subrequest arguments string.
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diff changeset
380 Otherwise, <literal>options</literal> is expected to be
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
381 an object with the following keys:
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
382 <list type="tag">
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
383 <tag-name><literal>args</literal></tag-name>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
384 <tag-desc>
2344
ea8ccaac18b4 Added default values for r.subrequest options in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2340
diff changeset
385 arguments string, by default an empty string is used
2247
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
386 </tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
387 <tag-name><literal>body</literal></tag-name>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
388 <tag-desc>
2344
ea8ccaac18b4 Added default values for r.subrequest options in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2340
diff changeset
389 request body,
ea8ccaac18b4 Added default values for r.subrequest options in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2340
diff changeset
390 by default the request body of the parent request object is used
2247
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
391 </tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
392
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
393 <tag-name><literal>method</literal></tag-name>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
394 <tag-desc>
2344
ea8ccaac18b4 Added default values for r.subrequest options in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2340
diff changeset
395 HTTP method, by default the <literal>GET</literal> method is used
2247
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
396 </tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
397
2507
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
398 <tag-name><literal>detached</literal></tag-name>
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
399 <tag-desc>
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
400 boolean flag (<link doc="changes.xml" id="njs0.3.9">0.3.9</link>),
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
401 if <literal>true</literal>, the created subrequest is a detached subrequest.
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
402 Responses to detached subrequests are ignored.
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
403 Unlike ordinary subrequests, a detached subrequest
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
404 can be created inside a variable handler.
2579
63cef7604e0d Minor review of njs Reference for typos and style.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2578
diff changeset
405 The <literal>detached</literal> flag and callback argument
63cef7604e0d Minor review of njs Reference for typos and style.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2578
diff changeset
406 are mutually exclusive.
2507
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
407 </tag-desc>
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
408
2247
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
409 </list>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
410 </para>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
411
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
412 <para>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
413 The completion <literal>callback</literal> receives
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
414 a subrequest response object with methods and properties
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
415 identical to the parent request object.
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
416 </para>
2484
2aa02672d54f Added a note to r.subrequest in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2446
diff changeset
417
2aa02672d54f Added a note to r.subrequest in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2446
diff changeset
418 <para>
2aa02672d54f Added a note to r.subrequest in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2446
diff changeset
419 Since <link doc="changes.xml" id="njs0.3.8">0.3.8</link>,
2aa02672d54f Added a note to r.subrequest in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2446
diff changeset
420 if a <literal>callback</literal> is not provided,
2aa02672d54f Added a note to r.subrequest in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2446
diff changeset
421 the <literal>Promise</literal> object
2aa02672d54f Added a note to r.subrequest in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2446
diff changeset
422 that resolves to the subrequest response object is returned.
2aa02672d54f Added a note to r.subrequest in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2446
diff changeset
423 </para>
2247
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
424 </tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
425
2545
dca5a7053a6c Sorted alphabetically njs http methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2544
diff changeset
426 <tag-name id="r_uri"><literal>r.uri</literal></tag-name>
dca5a7053a6c Sorted alphabetically njs http methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2544
diff changeset
427 <tag-desc>
dca5a7053a6c Sorted alphabetically njs http methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2544
diff changeset
428 current <link doc="../http/ngx_http_core_module.xml" id="var_uri">URI</link>
dca5a7053a6c Sorted alphabetically njs http methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2544
diff changeset
429 in request,
dca5a7053a6c Sorted alphabetically njs http methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2544
diff changeset
430 <link doc="../http/ngx_http_core_module.xml" id="location">normalized</link>,
dca5a7053a6c Sorted alphabetically njs http methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2544
diff changeset
431 read-only
dca5a7053a6c Sorted alphabetically njs http methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2544
diff changeset
432 </tag-desc>
dca5a7053a6c Sorted alphabetically njs http methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2544
diff changeset
433
2628
0ce45b4edb75 njs-0.5.0.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2612
diff changeset
434 <tag-name id="r_raw_variables"><literal>r.rawVariables{}</literal></tag-name>
0ce45b4edb75 njs-0.5.0.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2612
diff changeset
435 <tag-desc>
0ce45b4edb75 njs-0.5.0.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2612
diff changeset
436 nginx <link id="r_variables">variables</link> as Buffers,
0ce45b4edb75 njs-0.5.0.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2612
diff changeset
437 writable
0ce45b4edb75 njs-0.5.0.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2612
diff changeset
438 (since <link doc="changes.xml" id="njs0.5.0">0.5.0</link>)
0ce45b4edb75 njs-0.5.0.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2612
diff changeset
439 </tag-desc>
0ce45b4edb75 njs-0.5.0.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2612
diff changeset
440
2545
dca5a7053a6c Sorted alphabetically njs http methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2544
diff changeset
441 <tag-name id="r_variables"><literal>r.variables{}</literal></tag-name>
dca5a7053a6c Sorted alphabetically njs http methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2544
diff changeset
442 <tag-desc>
2579
63cef7604e0d Minor review of njs Reference for typos and style.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2578
diff changeset
443 nginx variables object, writable
63cef7604e0d Minor review of njs Reference for typos and style.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2578
diff changeset
444 (since <link doc="changes.xml" id="njs0.2.8">0.2.8</link>)
2545
dca5a7053a6c Sorted alphabetically njs http methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2544
diff changeset
445 </tag-desc>
dca5a7053a6c Sorted alphabetically njs http methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2544
diff changeset
446
2570
44792f1ee284 Added IDs to methods in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2569
diff changeset
447 <tag-name id="r_warn"><literal>r.warn(<value>string</value>)</literal></tag-name>
2545
dca5a7053a6c Sorted alphabetically njs http methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2544
diff changeset
448 <tag-desc>
dca5a7053a6c Sorted alphabetically njs http methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2544
diff changeset
449 writes a <literal>string</literal> to the error log
dca5a7053a6c Sorted alphabetically njs http methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2544
diff changeset
450 on the <literal>warning</literal> level of logging
dca5a7053a6c Sorted alphabetically njs http methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2544
diff changeset
451 </tag-desc>
dca5a7053a6c Sorted alphabetically njs http methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2544
diff changeset
452
2247
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
453 </list>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
454 </para>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
455
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
456 </section>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
457
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
458
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
459 <section id="stream" name="Stream Session">
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
460
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
461 <para>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
462 The stream session object is available only in the
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
463 <link doc="../stream/ngx_stream_js_module.xml">ngx_stream_js_module</link>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
464 module.
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
465 All string properties of the object are <link id="string">byte strings</link>.
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
466 </para>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
467
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
468 <para>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
469 <list type="tag">
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
470
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
471 <tag-name id="s_allow"><literal>s.allow()</literal></tag-name>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
472 <tag-desc>
2670
e53592a1d979 Improved descriptions of s.done, s.allow, s.decline, s.deny.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2668
diff changeset
473 an alias to
e53592a1d979 Improved descriptions of s.done, s.allow, s.decline, s.deny.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2668
diff changeset
474 <link id="s_done"><literal>s.done(0)</literal></link>
2337
867fe207f13e Updated links to changes.xml in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2332
diff changeset
475 (<link doc="changes.xml" id="njs0.2.4">0.2.4</link>)
2247
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
476 </tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
477
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
478 <tag-name id="s_decline"><literal>s.decline()</literal></tag-name>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
479 <tag-desc>
2670
e53592a1d979 Improved descriptions of s.done, s.allow, s.decline, s.deny.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2668
diff changeset
480 an alias to
e53592a1d979 Improved descriptions of s.done, s.allow, s.decline, s.deny.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2668
diff changeset
481 <link id="s_done"><literal>s.done(-5)</literal></link>
2337
867fe207f13e Updated links to changes.xml in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2332
diff changeset
482 (<link doc="changes.xml" id="njs0.2.4">0.2.4</link>)
2247
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
483 </tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
484
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
485 <tag-name id="s_deny"><literal>s.deny()</literal></tag-name>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
486 <tag-desc>
2670
e53592a1d979 Improved descriptions of s.done, s.allow, s.decline, s.deny.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2668
diff changeset
487 an alias to
e53592a1d979 Improved descriptions of s.done, s.allow, s.decline, s.deny.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2668
diff changeset
488 <link id="s_done"><literal>s.done(403)</literal></link>
2337
867fe207f13e Updated links to changes.xml in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2332
diff changeset
489 (<link doc="changes.xml" id="njs0.2.4">0.2.4</link>)
2247
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
490 </tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
491
2670
e53592a1d979 Improved descriptions of s.done, s.allow, s.decline, s.deny.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2668
diff changeset
492 <tag-name id="s_done"><literal>s.done([<value>code</value>]</literal>)</tag-name>
2247
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
493 <tag-desc>
2670
e53592a1d979 Improved descriptions of s.done, s.allow, s.decline, s.deny.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2668
diff changeset
494 sets an exit <literal>code</literal> for the current
e53592a1d979 Improved descriptions of s.done, s.allow, s.decline, s.deny.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2668
diff changeset
495 <link doc="../stream/stream_processing.xml">phase</link> handler
e53592a1d979 Improved descriptions of s.done, s.allow, s.decline, s.deny.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2668
diff changeset
496 to a code value, by default <literal>0</literal>.
e53592a1d979 Improved descriptions of s.done, s.allow, s.decline, s.deny.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2668
diff changeset
497 The actual finalization happens when the js handler is completed
e53592a1d979 Improved descriptions of s.done, s.allow, s.decline, s.deny.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2668
diff changeset
498 and all pending events, for example, from
e53592a1d979 Improved descriptions of s.done, s.allow, s.decline, s.deny.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2668
diff changeset
499 <link id="ngx_fetch"><literal>ngx.fetch</literal></link> or
e53592a1d979 Improved descriptions of s.done, s.allow, s.decline, s.deny.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2668
diff changeset
500 <link id="settimeout"><literal>setTimeout()</literal></link>,
e53592a1d979 Improved descriptions of s.done, s.allow, s.decline, s.deny.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2668
diff changeset
501 are processed
2337
867fe207f13e Updated links to changes.xml in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2332
diff changeset
502 (<link doc="changes.xml" id="njs0.2.4">0.2.4</link>).
2670
e53592a1d979 Improved descriptions of s.done, s.allow, s.decline, s.deny.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2668
diff changeset
503 <para>
e53592a1d979 Improved descriptions of s.done, s.allow, s.decline, s.deny.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2668
diff changeset
504 Possible code values:
e53592a1d979 Improved descriptions of s.done, s.allow, s.decline, s.deny.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2668
diff changeset
505 <list type="bullet">
e53592a1d979 Improved descriptions of s.done, s.allow, s.decline, s.deny.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2668
diff changeset
506
e53592a1d979 Improved descriptions of s.done, s.allow, s.decline, s.deny.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2668
diff changeset
507 <listitem>
e53592a1d979 Improved descriptions of s.done, s.allow, s.decline, s.deny.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2668
diff changeset
508 <literal>0</literal>&mdash;
e53592a1d979 Improved descriptions of s.done, s.allow, s.decline, s.deny.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2668
diff changeset
509 successful finalization, passing control to the next phase
e53592a1d979 Improved descriptions of s.done, s.allow, s.decline, s.deny.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2668
diff changeset
510 </listitem>
e53592a1d979 Improved descriptions of s.done, s.allow, s.decline, s.deny.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2668
diff changeset
511
e53592a1d979 Improved descriptions of s.done, s.allow, s.decline, s.deny.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2668
diff changeset
512 <listitem>
e53592a1d979 Improved descriptions of s.done, s.allow, s.decline, s.deny.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2668
diff changeset
513 <literal>-5</literal>&mdash;
e53592a1d979 Improved descriptions of s.done, s.allow, s.decline, s.deny.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2668
diff changeset
514 undecided, passing control to the next handler of the current phase (if any)
e53592a1d979 Improved descriptions of s.done, s.allow, s.decline, s.deny.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2668
diff changeset
515 </listitem>
e53592a1d979 Improved descriptions of s.done, s.allow, s.decline, s.deny.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2668
diff changeset
516
e53592a1d979 Improved descriptions of s.done, s.allow, s.decline, s.deny.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2668
diff changeset
517 <listitem>
e53592a1d979 Improved descriptions of s.done, s.allow, s.decline, s.deny.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2668
diff changeset
518 <literal>403</literal>&mdash;
e53592a1d979 Improved descriptions of s.done, s.allow, s.decline, s.deny.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2668
diff changeset
519 access is forbidden
e53592a1d979 Improved descriptions of s.done, s.allow, s.decline, s.deny.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2668
diff changeset
520 </listitem>
e53592a1d979 Improved descriptions of s.done, s.allow, s.decline, s.deny.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2668
diff changeset
521
e53592a1d979 Improved descriptions of s.done, s.allow, s.decline, s.deny.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2668
diff changeset
522 </list>
e53592a1d979 Improved descriptions of s.done, s.allow, s.decline, s.deny.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2668
diff changeset
523 </para>
e53592a1d979 Improved descriptions of s.done, s.allow, s.decline, s.deny.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2668
diff changeset
524 May be called only from a phase handler function:
e53592a1d979 Improved descriptions of s.done, s.allow, s.decline, s.deny.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2668
diff changeset
525 <link doc="../stream/ngx_stream_js_module.xml" id="js_access"><literal>js_access</literal></link>
e53592a1d979 Improved descriptions of s.done, s.allow, s.decline, s.deny.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2668
diff changeset
526 or
e53592a1d979 Improved descriptions of s.done, s.allow, s.decline, s.deny.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2668
diff changeset
527 <link doc="../stream/ngx_stream_js_module.xml" id="js_preread"><literal>js_preread</literal></link>.
2247
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
528 </tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
529
2570
44792f1ee284 Added IDs to methods in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2569
diff changeset
530 <tag-name id="s_error"><literal>s.error(<value>string</value>)</literal></tag-name>
2247
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
531 <tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
532 writes a sent <literal>string</literal> to the error log
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
533 on the <literal>error</literal> level of logging
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
534 </tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
535
2570
44792f1ee284 Added IDs to methods in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2569
diff changeset
536 <tag-name id="s_log"><literal>s.log(<value>string</value>)</literal></tag-name>
2247
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
537 <tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
538 writes a sent <value>string</value> to the error log
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
539 on the <literal>info</literal> level of logging
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
540 </tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
541
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
542 <tag-name id="s_off"><literal>s.off(<value>eventName</value>)</literal></tag-name>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
543 <tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
544 unregisters the callback set by the <link id="s_on">s.on()</link> method
2337
867fe207f13e Updated links to changes.xml in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2332
diff changeset
545 (<link doc="changes.xml" id="njs0.2.4">0.2.4</link>)
2247
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
546 </tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
547
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
548 <tag-name id="s_on"><literal>s.on(<value>event</value>,
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
549 <value>callback</value>)</literal></tag-name>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
550 <tag-desc>
2579
63cef7604e0d Minor review of njs Reference for typos and style.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2578
diff changeset
551 registers a <literal>callback</literal>
63cef7604e0d Minor review of njs Reference for typos and style.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2578
diff changeset
552 for the specified <literal>event</literal>
2337
867fe207f13e Updated links to changes.xml in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2332
diff changeset
553 (<link doc="changes.xml" id="njs0.2.4">0.2.4</link>).
2247
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
554
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
555 <para>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
556 An <literal>event</literal> may be one of the following strings:
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
557 <list type="tag">
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
558 <tag-name><literal>upload</literal></tag-name>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
559 <tag-desc>
2628
0ce45b4edb75 njs-0.5.0.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2612
diff changeset
560 new data (string) from a client
2247
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
561 </tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
562
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
563 <tag-name><literal>download</literal></tag-name>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
564 <tag-desc>
2628
0ce45b4edb75 njs-0.5.0.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2612
diff changeset
565 new data (string) to a client
0ce45b4edb75 njs-0.5.0.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2612
diff changeset
566 </tag-desc>
0ce45b4edb75 njs-0.5.0.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2612
diff changeset
567
0ce45b4edb75 njs-0.5.0.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2612
diff changeset
568 <tag-name><literal>upstream</literal></tag-name>
0ce45b4edb75 njs-0.5.0.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2612
diff changeset
569 <tag-desc>
0ce45b4edb75 njs-0.5.0.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2612
diff changeset
570 new data (Buffer) from a client
0ce45b4edb75 njs-0.5.0.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2612
diff changeset
571 (since <link doc="changes.xml" id="njs0.5.0">0.5.0</link>)
0ce45b4edb75 njs-0.5.0.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2612
diff changeset
572 </tag-desc>
0ce45b4edb75 njs-0.5.0.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2612
diff changeset
573
0ce45b4edb75 njs-0.5.0.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2612
diff changeset
574 <tag-name><literal>downstream</literal></tag-name>
0ce45b4edb75 njs-0.5.0.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2612
diff changeset
575 <tag-desc>
0ce45b4edb75 njs-0.5.0.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2612
diff changeset
576 new data (Buffer) to a client
0ce45b4edb75 njs-0.5.0.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2612
diff changeset
577 (since <link doc="changes.xml" id="njs0.5.0">0.5.0</link>)
2247
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
578 </tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
579
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
580 </list>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
581 </para>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
582
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
583 <para>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
584 The completion callback has the following prototype:
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
585 <literal>callback(data, flags)</literal>, where
2628
0ce45b4edb75 njs-0.5.0.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2612
diff changeset
586 <literal>data</literal> is string or Buffer (depending on the event type)
2247
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
587 <literal>flags</literal> is an object
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
588 with the following properties:
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
589 <list type="tag">
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
590 <tag-name id="s_on_callback_last"><literal>last</literal></tag-name>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
591 <tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
592 a boolean value, true if data is a last buffer.
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
593 </tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
594
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
595 </list>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
596 </para>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
597 </tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
598
2570
44792f1ee284 Added IDs to methods in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2569
diff changeset
599 <tag-name id="s_remote_address"><literal>s.remoteAddress</literal></tag-name>
2247
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
600 <tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
601 client address, read-only
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
602 </tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
603
2628
0ce45b4edb75 njs-0.5.0.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2612
diff changeset
604 <tag-name id="s_raw_variables"><literal>s.rawVariables</literal></tag-name>
0ce45b4edb75 njs-0.5.0.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2612
diff changeset
605 <tag-desc>
0ce45b4edb75 njs-0.5.0.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2612
diff changeset
606 nginx <link id="s_variables">variables</link> as Buffers,
0ce45b4edb75 njs-0.5.0.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2612
diff changeset
607 writable
0ce45b4edb75 njs-0.5.0.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2612
diff changeset
608 (since <link doc="changes.xml" id="njs0.5.0">0.5.0</link>)
0ce45b4edb75 njs-0.5.0.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2612
diff changeset
609 </tag-desc>
0ce45b4edb75 njs-0.5.0.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2612
diff changeset
610
2247
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
611 <tag-name id="s_send"><literal>s.send(<value>data</value>[,
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
612 <value>options</value>])</literal></tag-name>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
613 <tag-desc>
2667
2085eb315672 Updated description of s.send in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2666
diff changeset
614 adds data to the chain of data chunks that will be forwarded in
2085eb315672 Updated description of s.send in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2666
diff changeset
615 the forward direction:
2085eb315672 Updated description of s.send in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2666
diff changeset
616 in download callback to a client; in upload to an upstream server
2337
867fe207f13e Updated links to changes.xml in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2332
diff changeset
617 (<link doc="changes.xml" id="njs0.2.4">0.2.4</link>).
2667
2085eb315672 Updated description of s.send in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2666
diff changeset
618 The actual forwarding happens later,
2085eb315672 Updated description of s.send in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2666
diff changeset
619 when the all the data chunks of the current chain are processed.
2085eb315672 Updated description of s.send in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2666
diff changeset
620 <para>
2628
0ce45b4edb75 njs-0.5.0.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2612
diff changeset
621 The data can be a string or Buffer
0ce45b4edb75 njs-0.5.0.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2612
diff changeset
622 (<link doc="changes.xml" id="njs0.5.0">0.5.0</link>).
2247
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
623 The <literal>options</literal> is an object used
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
624 to override nginx buffer flags derived from an incoming data chunk buffer.
2579
63cef7604e0d Minor review of njs Reference for typos and style.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2578
diff changeset
625 The flags can be overridden with the following flags:
2247
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
626 <list type="tag">
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
627
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
628 <tag-name><literal>last</literal></tag-name>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
629 <tag-desc>
2579
63cef7604e0d Minor review of njs Reference for typos and style.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2578
diff changeset
630 boolean,
63cef7604e0d Minor review of njs Reference for typos and style.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2578
diff changeset
631 true if the buffer is the last buffer
2247
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
632 </tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
633
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
634 <tag-name><literal>flush</literal></tag-name>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
635 <tag-desc>
2579
63cef7604e0d Minor review of njs Reference for typos and style.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2578
diff changeset
636 boolean,
63cef7604e0d Minor review of njs Reference for typos and style.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2578
diff changeset
637 true if the buffer should have the <literal>flush</literal> flag
2247
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
638 </tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
639 </list>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
640 </para>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
641 The method can be called multiple times per callback invocation.
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
642 </tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
643
2665
529114f1108a Documented s.status property in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2663
diff changeset
644 <tag-name id="s_status"><literal>s.status</literal></tag-name>
529114f1108a Documented s.status property in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2663
diff changeset
645 <tag-desc>
529114f1108a Documented s.status property in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2663
diff changeset
646 session status code, an alias to the
529114f1108a Documented s.status property in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2663
diff changeset
647 <link doc="../stream/ngx_stream_core_module.xml" id="var_status"><literal>$status</literal></link>
529114f1108a Documented s.status property in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2663
diff changeset
648 variable,
529114f1108a Documented s.status property in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2663
diff changeset
649 read only
529114f1108a Documented s.status property in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2663
diff changeset
650 (since <link doc="changes.xml" id="njs0.5.2">0.5.2</link>)
529114f1108a Documented s.status property in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2663
diff changeset
651 </tag-desc>
529114f1108a Documented s.status property in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2663
diff changeset
652
2338
39ac205f90b7 Documented that r.variables{} and s.variables{} are writable.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2337
diff changeset
653 <tag-name id="s_variables"><literal>s.variables{}</literal></tag-name>
2247
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
654 <tag-desc>
2338
39ac205f90b7 Documented that r.variables{} and s.variables{} are writable.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2337
diff changeset
655 nginx variables object, writable
39ac205f90b7 Documented that r.variables{} and s.variables{} are writable.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2337
diff changeset
656 (since <link doc="changes.xml" id="njs0.2.8">0.2.8</link>)
2247
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
657 </tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
658
2570
44792f1ee284 Added IDs to methods in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2569
diff changeset
659 <tag-name id="s_warn"><literal>s.warn(<value>string</value>)</literal></tag-name>
2247
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
660 <tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
661 writes a sent <literal>string</literal> to the error log
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
662 on the <literal>warning</literal> level of logging
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
663 </tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
664
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
665 </list>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
666 </para>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
667
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
668 </section>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
669
2628
0ce45b4edb75 njs-0.5.0.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2612
diff changeset
670
2653
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
671 <section id="response" name="Response">
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
672
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
673 <para>
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
674 The <literal>Response</literal> interface is available since
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
675 <link doc="changes.xml" id="njs0.5.1">0.5.1</link>.
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
676
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
677 <list type="tag">
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
678
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
679 <tag-name id="response_arraybuffer"><literal>arrayBuffer()</literal></tag-name>
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
680 <tag-desc>
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
681 Takes a <literal>Response</literal> stream and reads it to completion.
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
682 Returns a <literal>Promise</literal> that resolves with
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
683 an <literal>ArrayBuffer</literal>.
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
684 </tag-desc>
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
685
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
686 <tag-name id="response_bodyused"><literal>bodyUsed</literal></tag-name>
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
687 <tag-desc>
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
688 A boolean value, <literal>true</literal>
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
689 if the body was read.
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
690 </tag-desc>
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
691
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
692 <tag-name id="response_headers"><literal>headers</literal></tag-name>
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
693 <tag-desc>
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
694 The <literal>Headers</literal> read-only object associated with the
2668
e067ad74b0cd Corrected links to Response Object in njs reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2667
diff changeset
695 <link id="response"><literal>Response</literal></link>:
2653
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
696
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
697 <list type="tag">
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
698
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
699 <tag-name id="headers_get"><literal>get(<value>name</value>)</literal></tag-name>
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
700 <tag-desc>
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
701 returns a string containing the values of all headers with the specified name
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
702 separated by a comma and a space
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
703 </tag-desc>
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
704
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
705 <tag-name id="headers_getall"><literal>getAll(<value>name</value>)</literal></tag-name>
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
706 <tag-desc>
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
707 returns an array containing the values of all headers with the specified name
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
708 </tag-desc>
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
709
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
710 <tag-name id="headers_has"><literal>has(<value>name</value>)</literal></tag-name>
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
711 <tag-desc>
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
712 returns a boolean value
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
713 indicating whether a header with the specified name exists
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
714 </tag-desc>
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
715
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
716 </list>
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
717 </tag-desc>
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
718
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
719 <tag-name id="response_json"><literal>json()</literal></tag-name>
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
720 <tag-desc>
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
721 Takes a <literal>Response</literal> stream and reads it to completion.
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
722 Returns a <literal>Promise</literal> that resolves with
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
723 the result of parsing the body text as JSON.
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
724 </tag-desc>
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
725
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
726 <tag-name id="response_ok"><literal>ok</literal></tag-name>
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
727 <tag-desc>
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
728 A boolean value, <literal>true</literal>
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
729 if the response was successful (status codes between 200–299).
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
730 </tag-desc>
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
731
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
732 <tag-name id="response_redirect"><literal>redirected</literal></tag-name>
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
733 <tag-desc>
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
734 A boolean value, <literal>true</literal>
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
735 if the response is the result of a redirect.
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
736 </tag-desc>
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
737
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
738 <tag-name id="response_status"><literal>status</literal></tag-name>
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
739 <tag-desc>
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
740 The status code of the response.
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
741 </tag-desc>
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
742
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
743 <tag-name id="response_statustext"><literal>statusText</literal></tag-name>
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
744 <tag-desc>
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
745 The status message corresponding to the status code.
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
746 </tag-desc>
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
747
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
748 <tag-name id="response_text"><literal>text()</literal></tag-name>
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
749 <tag-desc>
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
750 Takes a <literal>Response</literal> stream and reads it to completion.
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
751 Returns a <literal>Promise</literal> that resolves with a string.
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
752 </tag-desc>
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
753
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
754 <tag-name id="response_type"><literal>type</literal></tag-name>
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
755 <tag-desc>
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
756 The type of the response.
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
757 </tag-desc>
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
758
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
759 <tag-name id="response_url"><literal>url</literal></tag-name>
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
760 <tag-desc>
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
761 The URL of the response.
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
762 </tag-desc>
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
763
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
764 </list>
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
765 </para>
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
766
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
767 </section>
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
768
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
769
2628
0ce45b4edb75 njs-0.5.0.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2612
diff changeset
770 <section id="ngx" name="ngx">
0ce45b4edb75 njs-0.5.0.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2612
diff changeset
771
0ce45b4edb75 njs-0.5.0.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2612
diff changeset
772 <para>
0ce45b4edb75 njs-0.5.0.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2612
diff changeset
773 The <literal>ngx</literal> global object is available
0ce45b4edb75 njs-0.5.0.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2612
diff changeset
774 since <link doc="changes.xml" id="njs0.5.0">0.5.0</link>.
0ce45b4edb75 njs-0.5.0.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2612
diff changeset
775 <list type="tag">
0ce45b4edb75 njs-0.5.0.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2612
diff changeset
776
2653
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
777 <tag-name id="ngx_fetch"><literal>ngx.fetch(<value>url</value>,
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
778 [<value>options</value>])</literal></tag-name>
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
779 <tag-desc>
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
780 Makes a request to fetch an URL
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
781 (<link doc="changes.xml" id="njs0.5.1">0.5.1</link>),
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
782 returns a <literal>Promise</literal> that resolves with
2668
e067ad74b0cd Corrected links to Response Object in njs reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2667
diff changeset
783 the <link id="response"><literal>Response</literal></link> object.
2653
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
784 Only the <literal>http://</literal> scheme is supported,
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
785 redirects are not handled.
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
786 <para>
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
787 The <literal>options</literal> parameter is expected to be an object
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
788 with the following keys:
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
789 <list type="tag">
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
790
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
791 <tag-name id="fetch_body"><literal>body</literal></tag-name>
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
792 <tag-desc>
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
793 request body,
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
794 by default is empty
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
795 </tag-desc>
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
796
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
797 <tag-name id="fetch_buffer_size"><literal>buffer_size</literal></tag-name>
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
798 <tag-desc>
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
799 the buffer size for reading the response,
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
800 by default is <literal>4096</literal>
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
801 </tag-desc>
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
802
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
803 <tag-name id="fetch_headers"><literal>headers</literal></tag-name>
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
804 <tag-desc>
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
805 request headers object
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
806 </tag-desc>
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
807
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
808 <tag-name id="fetch_get"><literal>max_response_body_size</literal></tag-name>
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
809 <tag-desc>
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
810 the maximum size of the response body in bytes,
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
811 by default is <literal>32768</literal>
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
812 </tag-desc>
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
813
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
814 <tag-name id="fetch_method"><literal>method</literal></tag-name>
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
815 <tag-desc>
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
816 HTTP method,
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
817 by default the <literal>GET</literal> method is used
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
818 </tag-desc>
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
819
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
820 </list>
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
821 Example:
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
822 <example>
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
823 ngx.fetch('http://nginx.org/')
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
824 .then(reply => reply.text())
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
825 .then(body => r.return(200, body))
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
826 .catch(e => r.return(501, e.message))
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
827 </example>
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
828 </para>
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
829 </tag-desc>
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
830
2628
0ce45b4edb75 njs-0.5.0.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2612
diff changeset
831 <tag-name id="ngx_log"><literal>ngx.log</literal>(<value>level</value>,
0ce45b4edb75 njs-0.5.0.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2612
diff changeset
832 <value>message</value>)</tag-name>
0ce45b4edb75 njs-0.5.0.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2612
diff changeset
833 <tag-desc>
0ce45b4edb75 njs-0.5.0.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2612
diff changeset
834 Writes a message to the error log with the specified level of logging.
0ce45b4edb75 njs-0.5.0.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2612
diff changeset
835 The <value>level</value> parameter specifies one of the log levels,
0ce45b4edb75 njs-0.5.0.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2612
diff changeset
836 the <value>message</value> parameter can be a string or Buffer.
0ce45b4edb75 njs-0.5.0.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2612
diff changeset
837 The following log levels can be specified:
0ce45b4edb75 njs-0.5.0.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2612
diff changeset
838 <literal>ngx.INFO</literal>,
0ce45b4edb75 njs-0.5.0.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2612
diff changeset
839 <literal>ngx.WARN</literal>, and
0ce45b4edb75 njs-0.5.0.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2612
diff changeset
840 <literal>ngx.ERR</literal>.
0ce45b4edb75 njs-0.5.0.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2612
diff changeset
841 </tag-desc>
2653
9fc25ea7a92c Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2647
diff changeset
842
2628
0ce45b4edb75 njs-0.5.0.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2612
diff changeset
843 </list>
0ce45b4edb75 njs-0.5.0.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2612
diff changeset
844 </para>
0ce45b4edb75 njs-0.5.0.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2612
diff changeset
845
0ce45b4edb75 njs-0.5.0.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2612
diff changeset
846 </section>
0ce45b4edb75 njs-0.5.0.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2612
diff changeset
847
2247
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
848 </section>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
849
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
850
2176
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
851 <section id="core" name="Core">
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
852
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
853
2405
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
854 <section id="core_global" name="Global">
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
855
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
856
2666
68c0566a375f Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2665
diff changeset
857 <section id="njs" name="njs">
68c0566a375f Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2665
diff changeset
858
68c0566a375f Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2665
diff changeset
859 <para>
68c0566a375f Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2665
diff changeset
860 The <literal>njs</literal> object is a global object
68c0566a375f Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2665
diff changeset
861 that represents the current VM instance
68c0566a375f Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2665
diff changeset
862 (since <link doc="changes.xml" id="njs0.2.0">0.2.0</link>).
68c0566a375f Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2665
diff changeset
863 </para>
68c0566a375f Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2665
diff changeset
864
68c0566a375f Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2665
diff changeset
865 <para>
68c0566a375f Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2665
diff changeset
866 <list type="tag">
68c0566a375f Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2665
diff changeset
867
68c0566a375f Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2665
diff changeset
868 <tag-name id="njs_version"><literal>njs.version</literal></tag-name>
68c0566a375f Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2665
diff changeset
869 <tag-desc>
68c0566a375f Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2665
diff changeset
870 Returns a string with the current version of njs
68c0566a375f Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2665
diff changeset
871 (for example, “0.5.2”).
68c0566a375f Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2665
diff changeset
872 </tag-desc>
68c0566a375f Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2665
diff changeset
873
68c0566a375f Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2665
diff changeset
874 <tag-name id="njs_dump"><literal>njs.dump(<value>value</value>)</literal></tag-name>
68c0566a375f Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2665
diff changeset
875 <tag-desc>
68c0566a375f Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2665
diff changeset
876 Returns the pretty-print string representation for a value.
68c0566a375f Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2665
diff changeset
877 </tag-desc>
68c0566a375f Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2665
diff changeset
878
68c0566a375f Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2665
diff changeset
879 <tag-name id="njs_on"><literal>njs.on</literal></tag-name>
68c0566a375f Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2665
diff changeset
880 <tag-desc>
68c0566a375f Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2665
diff changeset
881 Registers a callback for the specified VM event
68c0566a375f Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2665
diff changeset
882 (since <link doc="changes.xml" id="njs0.5.2">0.5.2</link>).
68c0566a375f Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2665
diff changeset
883 An event may be one of the following strings:
68c0566a375f Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2665
diff changeset
884 <list type="tag">
68c0566a375f Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2665
diff changeset
885
68c0566a375f Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2665
diff changeset
886 <tag-name><literal>exit</literal></tag-name>
68c0566a375f Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2665
diff changeset
887 <tag-desc>
68c0566a375f Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2665
diff changeset
888 is called before the VM is destroyed.
68c0566a375f Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2665
diff changeset
889 The callback is called without arguments.
68c0566a375f Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2665
diff changeset
890 </tag-desc>
68c0566a375f Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2665
diff changeset
891
68c0566a375f Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2665
diff changeset
892 </list>
68c0566a375f Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2665
diff changeset
893 </tag-desc>
68c0566a375f Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2665
diff changeset
894
68c0566a375f Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2665
diff changeset
895 </list>
68c0566a375f Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2665
diff changeset
896 </para>
68c0566a375f Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2665
diff changeset
897
68c0566a375f Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2665
diff changeset
898 </section>
68c0566a375f Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2665
diff changeset
899
68c0566a375f Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2665
diff changeset
900
2405
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
901 <section id="process" name="Process">
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
902
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
903 <para>
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
904 The <literal>process</literal> object is a global object
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
905 that provides information about the current process
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
906 (<link doc="changes.xml" id="njs0.3.3">0.3.3</link>).
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
907 </para>
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
908
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
909 <para>
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
910 <list type="tag">
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
911
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
912 <tag-name id="process_argv"><literal>process.argv</literal></tag-name>
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
913 <tag-desc>
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
914 Returns an array that contains the command line arguments
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
915 passed when the current process was launched.
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
916 </tag-desc>
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
917
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
918 <tag-name id="process_env"><literal>process.env</literal></tag-name>
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
919 <tag-desc>
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
920 Returns an object containing the user environment.
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
921 <note>
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
922 By default, nginx removes all environment variables inherited
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
923 from its parent process except the TZ variable.
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
924 Use the <link doc="../ngx_core_module.xml" id="env"/> directive
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
925 to preserve some of the inherited variables.
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
926 </note>
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
927 </tag-desc>
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
928
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
929 <tag-name id="process_pid"><literal>process.pid</literal></tag-name>
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
930 <tag-desc>
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
931 Returns the PID of the current process.
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
932 </tag-desc>
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
933
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
934 <tag-name id="process_ppid"><literal>process.ppid</literal></tag-name>
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
935 <tag-desc>
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
936 Returns the PID of the current parent process.
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
937 </tag-desc>
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
938
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
939 </list>
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
940 </para>
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
941
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
942 </section>
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
943
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
944 </section>
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
945
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
946
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
947 <section id="string" name="String">
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
948
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
949 <para>
2315
ae56e4613280 Corrected language in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2313
diff changeset
950 There are two types of strings in njs: a Unicode string (default) and
ae56e4613280 Corrected language in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2313
diff changeset
951 a byte string.
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
952 </para>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
953
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
954 <para>
2315
ae56e4613280 Corrected language in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2313
diff changeset
955 A Unicode string corresponds to an ECMAScript string
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
956 which contains Unicode characters.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
957 </para>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
958
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
959 <para>
2315
ae56e4613280 Corrected language in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2313
diff changeset
960 Byte strings contain a sequence of bytes
ae56e4613280 Corrected language in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2313
diff changeset
961 and are used to serialize Unicode strings
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
962 to external data and deserialize from external sources.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
963 For example, the <link id="string_toutf8">toUTF8()</link> method serializes
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
964 a Unicode string to a byte string using UTF8 encoding:
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
965 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
966 >> '£'.toUTF8().toString('hex')
2214
e029f4bc7ede Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2212
diff changeset
967 'c2a3' /* C2 A3 is the UTF8 representation of 00A3 ('£') code point */
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
968 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
969 The <link id="string_tobytes">toBytes()</link> method serializes
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
970 a Unicode string with code points up to 255 into a byte string,
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
971 otherwise, <literal>null</literal> is returned:
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
972 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
973 >> '£'.toBytes().toString('hex')
2214
e029f4bc7ede Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2212
diff changeset
974 'a3' /* a3 is a byte equal to 00A3 ('£') code point */
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
975 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
976
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
977 <list type="tag">
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
978
2211
660229c5c92f Documented String.bytesFrom() method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2207
diff changeset
979 <tag-name id="string_bytesfrom"><literal>String.bytesFrom(<value>array</value>
660229c5c92f Documented String.bytesFrom() method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2207
diff changeset
980 | <value>string</value>, <value>encoding</value>)</literal></tag-name>
660229c5c92f Documented String.bytesFrom() method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2207
diff changeset
981 <tag-desc>
2569
2edc64c05b0e Removed ECMAScript methods from njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2564
diff changeset
982 Creates a byte string either from an array that contains octets,
2315
ae56e4613280 Corrected language in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2313
diff changeset
983 or from an encoded string
2337
867fe207f13e Updated links to changes.xml in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2332
diff changeset
984 (<link doc="changes.xml" id="njs0.2.3">0.2.3</link>).
2211
660229c5c92f Documented String.bytesFrom() method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2207
diff changeset
985 The encoding can be
660229c5c92f Documented String.bytesFrom() method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2207
diff changeset
986 <literal>hex</literal>,
660229c5c92f Documented String.bytesFrom() method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2207
diff changeset
987 <literal>base64</literal>, and
660229c5c92f Documented String.bytesFrom() method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2207
diff changeset
988 <literal>base64url</literal>.
2605
0ec1e1b063d7 Deprecated String.bytesFrom method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2604
diff changeset
989 The method is deprecated since
0ec1e1b063d7 Deprecated String.bytesFrom method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2604
diff changeset
990 <link doc="changes.xml" id="njs0.4.4">0.4.4</link>,
0ec1e1b063d7 Deprecated String.bytesFrom method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2604
diff changeset
991 the <literal>Buffer.from</literal> method should be used instead:
2211
660229c5c92f Documented String.bytesFrom() method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2207
diff changeset
992 <example>
2605
0ec1e1b063d7 Deprecated String.bytesFrom method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2604
diff changeset
993 >> Buffer.from([0x62, 0x75, 0x66, 0x66, 0x65, 0x72]).toString()
2211
660229c5c92f Documented String.bytesFrom() method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2207
diff changeset
994 'buffer'
660229c5c92f Documented String.bytesFrom() method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2207
diff changeset
995
2605
0ec1e1b063d7 Deprecated String.bytesFrom method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2604
diff changeset
996 >> Buffer.from('YnVmZmVy', 'base64').toString()
2211
660229c5c92f Documented String.bytesFrom() method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2207
diff changeset
997 'buffer'
660229c5c92f Documented String.bytesFrom() method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2207
diff changeset
998 </example>
660229c5c92f Documented String.bytesFrom() method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2207
diff changeset
999 </tag-desc>
660229c5c92f Documented String.bytesFrom() method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2207
diff changeset
1000
2267
c30048802769 Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2259
diff changeset
1001 <tag-name id="string_frombytes"><literal>String.prototype.fromBytes(<value>start</value>[,
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
1002 <value>end</value>])</literal></tag-name>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
1003 <tag-desc>
2569
2edc64c05b0e Removed ECMAScript methods from njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2564
diff changeset
1004 Returns a new Unicode string from a byte string
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
1005 where each byte is replaced with a corresponding Unicode code point.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
1006 </tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
1007
2267
c30048802769 Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2259
diff changeset
1008 <tag-name id="string_fromutf8"><literal>String.prototype.fromUTF8(<value>start</value>[,
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
1009 <value>end</value>])</literal></tag-name>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
1010 <tag-desc>
2569
2edc64c05b0e Removed ECMAScript methods from njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2564
diff changeset
1011 Converts a byte string containing a valid UTF8 string
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
1012 into a Unicode string,
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
1013 otherwise <literal>null</literal> is returned.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
1014 </tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
1015
2579
63cef7604e0d Minor review of njs Reference for typos and style.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2578
diff changeset
1016 <tag-name id="string_tobytes"><literal>String.prototype.toBytes(<value>start</value>[,
63cef7604e0d Minor review of njs Reference for typos and style.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2578
diff changeset
1017 <value>end</value>])</literal></tag-name>
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
1018 <tag-desc>
2569
2edc64c05b0e Removed ECMAScript methods from njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2564
diff changeset
1019 Serializes a Unicode string to a byte string.
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
1020 Returns <literal>null</literal> if a character larger than 255 is
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
1021 found in the string.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
1022 </tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
1023
2582
e162a71453b0 Improved String.prototype.toString() for ordinary strings in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2579
diff changeset
1024 <tag-name id="string_tostring"><literal>String.prototype.toString(<value>encoding</value>)</literal></tag-name>
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
1025 <tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
1026 <para>
2582
e162a71453b0 Improved String.prototype.toString() for ordinary strings in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2579
diff changeset
1027 Encodes a string to
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
1028 <literal>hex</literal>,
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
1029 <literal>base64</literal>, or
2582
e162a71453b0 Improved String.prototype.toString() for ordinary strings in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2579
diff changeset
1030 <literal>base64url</literal>:
e162a71453b0 Improved String.prototype.toString() for ordinary strings in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2579
diff changeset
1031 <example>
e162a71453b0 Improved String.prototype.toString() for ordinary strings in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2579
diff changeset
1032 >> 'αβγδ'.toString('base64url')
e162a71453b0 Improved String.prototype.toString() for ordinary strings in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2579
diff changeset
1033 'zrHOss6zzrQ'
e162a71453b0 Improved String.prototype.toString() for ordinary strings in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2579
diff changeset
1034 </example>
e162a71453b0 Improved String.prototype.toString() for ordinary strings in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2579
diff changeset
1035 Before version <link doc="changes.xml" id="njs0.4.3">0.4.3</link>,
e162a71453b0 Improved String.prototype.toString() for ordinary strings in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2579
diff changeset
1036 only a <link id="string_tobytes">byte string</link> could be encoded:
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
1037 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
1038 >> 'αβγδ'.toUTF8().toString('base64url')
2214
e029f4bc7ede Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2212
diff changeset
1039 'zrHOss6zzrQ'
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
1040 </example>
2582
e162a71453b0 Improved String.prototype.toString() for ordinary strings in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2579
diff changeset
1041 </para>
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
1042 </tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
1043
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
1044 <tag-name id="string_toutf8"><literal>String.prototype.toUTF8(<value>start</value>[,
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
1045 <value>end</value>])</literal></tag-name>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
1046 <tag-desc>
2569
2edc64c05b0e Removed ECMAScript methods from njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2564
diff changeset
1047 Serializes a Unicode string
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
1048 to a byte string using UTF8 encoding.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
1049 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
1050 >> 'αβγδ'.toUTF8().length
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
1051 8
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
1052 >> 'αβγδ'.length
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
1053 4
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
1054 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
1055 </tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
1056
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
1057 </list>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
1058 </para>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
1059
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
1060 </section>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
1061
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
1062
2585
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1063 <section id="textdecoder" name="Text Decoder">
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1064
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1065 <para>
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1066 The <literal>TextDecoder</literal>
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1067 produces a stream of code points
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1068 from a stream of bytes
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1069 (<link doc="changes.xml" id="njs0.4.3">0.4.3</link>).
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1070 </para>
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1071
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1072 <para>
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1073 <list type="tag">
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1074
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1075 <tag-name><literal>TextDecoder([[<value>encoding</value>],
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1076 <value>options</value>])</literal></tag-name>
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1077 <tag-desc>
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1078 Creates a new <literal>TextDecoder</literal> object
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1079 for specified <literal>encoding</literal>,
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1080 currently, only UTF-8 is supported.
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1081 The <literal>options</literal> is
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1082 <literal>TextDecoderOptions</literal> dictionary with the property:
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1083
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1084 <list type="tag">
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1085
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1086 <tag-name><literal>fatal</literal></tag-name>
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1087 <tag-desc>
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1088 boolean flag indicating if
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1089 <link id="textdecoder_decode"><literal>TextDecoder.decode()</literal></link>
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1090 must throw the <value>TypeError</value> exception when
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1091 a coding error is found, by default is <literal>false</literal>.
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1092 </tag-desc>
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1093
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1094 </list>
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1095 </tag-desc>
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1096
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1097 <tag-name id="textdecoder_encoding"><literal>TextDecoder.prototype.encoding</literal></tag-name>
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1098 <tag-desc>
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1099 Returns a string with the name of the encoding used by
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1100 <link id="textdecoder"><literal>TextDecoder()</literal></link>,
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1101 read-only.
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1102 </tag-desc>
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1103
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1104 <tag-name id="textdecoder_fatal"><literal>TextDecoder.prototype.fatal</literal></tag-name>
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1105 <tag-desc>
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1106 boolean flag, <literal>true</literal> if
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1107 the error mode is fatal,
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1108 read-only.
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1109 </tag-desc>
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1110
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1111 <tag-name id="textdecoder_ignorebom"><literal>TextDecoder.prototype.ignoreBOM</literal></tag-name>
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1112 <tag-desc>
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1113 boolean flag, <literal>true</literal> if
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1114 the byte order marker is ignored,
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1115 read-only.
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1116 </tag-desc>
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1117
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1118 <tag-name id="textdecoder_decode"><literal>TextDecoder.prototype.decode(<value>buffer</value>,
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1119 [<value>options</value>])</literal></tag-name>
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1120 <tag-desc>
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1121 Returns a string with the text
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1122 decoded from the <literal>buffer</literal> by
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1123 <link id="textdecoder"><literal>TextDecoder()</literal></link>.
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1124 The buffer can be <literal>ArrayBuffer</literal>.
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1125 The <literal>options</literal> is
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1126 <literal>TextDecodeOptions</literal> dictionary with the property:
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1127
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1128 <list type="tag">
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1129
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1130 <tag-name><literal>stream</literal></tag-name>
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1131 <tag-desc>
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1132 boolean flag indicating if
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1133 additional data will follow in subsequent calls to <literal>decode()</literal>:
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1134 <literal>true</literal> if processing the data in chunks, and
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1135 <literal>false</literal> for the final chunk
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1136 or if the data is not chunked.
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1137 By default is <literal>false</literal>.
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1138 </tag-desc>
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1139
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1140 </list>
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1141 <example>
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1142 >> (new TextDecoder()).decode(new Uint8Array([206,177,206,178]))
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1143 αβ
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1144 </example>
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1145 </tag-desc>
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1146
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1147 </list>
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1148 </para>
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1149
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1150 </section>
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1151
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1152
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1153 <section id="textencoder" name="Text Encoder">
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1154
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1155 <para>
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1156 The <literal>TextEncoder</literal> object
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1157 produces a byte stream with UTF-8 encoding
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1158 from a stream of code points
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1159 (<link doc="changes.xml" id="njs0.4.3">0.4.3</link>).
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1160 </para>
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1161
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1162 <para>
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1163 <list type="tag">
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1164
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1165 <tag-name><literal>TextEncoder()</literal></tag-name>
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1166 <tag-desc>
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1167 Returns a newly constructed <literal>TextEncoder</literal>
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1168 that will generate a byte stream with UTF-8 encoding.
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1169 </tag-desc>
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1170
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1171 <tag-name id="textencoder_encode"><literal>TextEncoder.prototype.encode(<value>string</value>)</literal></tag-name>
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1172 <tag-desc>
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1173 Encodes <literal>string</literal> into a <literal>Uint8Array</literal>
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1174 with UTF-8 encoded text.
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1175 </tag-desc>
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1176
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1177 <tag-name id="textencoder_encodeinto"><literal>TextEncoder.prototype.encodeInto(<value>string</value>,
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1178 <value>uint8Array</value>)</literal></tag-name>
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1179 <tag-desc>
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1180 Encodes a <literal>string</literal> to UTF-8,
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1181 puts the result into destination <literal>Uint8Array</literal>, and
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1182 returns a dictionary object that shows the progress of the encoding.
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1183 The dictionary object contains two members:
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1184
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1185 <list type="tag">
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1186
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1187 <tag-name><literal>read</literal></tag-name>
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1188 <tag-desc>
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1189 the number of UTF-16 units of code from the source <literal>string</literal>
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1190 converted to UTF-8
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1191 </tag-desc>
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1192
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1193 <tag-name><literal>written</literal></tag-name>
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1194 <tag-desc>
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1195 the number of bytes modified in the destination <literal>Uint8Array</literal>
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1196 </tag-desc>
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1197
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1198 </list>
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1199 </tag-desc>
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1200
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1201 </list>
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1202 </para>
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1203
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1204 </section>
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1205
7035221dbe37 Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2583
diff changeset
1206
2578
fafb7767c128 Restructured njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2571
diff changeset
1207 <section id="njs_api_timers" name="Timers">
fafb7767c128 Restructured njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2571
diff changeset
1208
fafb7767c128 Restructured njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2571
diff changeset
1209 <para>
fafb7767c128 Restructured njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2571
diff changeset
1210 <list type="tag">
fafb7767c128 Restructured njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2571
diff changeset
1211
fafb7767c128 Restructured njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2571
diff changeset
1212 <tag-name id="cleartimeout"><literal>clearTimeout(<value>timeout</value>)</literal></tag-name>
fafb7767c128 Restructured njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2571
diff changeset
1213 <tag-desc>
fafb7767c128 Restructured njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2571
diff changeset
1214 Cancels a <literal>timeout</literal> object
2579
63cef7604e0d Minor review of njs Reference for typos and style.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2578
diff changeset
1215 created by <link id="settimeout"><literal>setTimeout()</literal></link>.
2578
fafb7767c128 Restructured njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2571
diff changeset
1216 </tag-desc>
fafb7767c128 Restructured njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2571
diff changeset
1217
fafb7767c128 Restructured njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2571
diff changeset
1218 <tag-name id="settimeout"><literal>setTimeout(<value>function</value>,
2579
63cef7604e0d Minor review of njs Reference for typos and style.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2578
diff changeset
1219 <value>milliseconds</value>[,
63cef7604e0d Minor review of njs Reference for typos and style.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2578
diff changeset
1220 <value>argument1</value>,
63cef7604e0d Minor review of njs Reference for typos and style.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2578
diff changeset
1221 <value>argumentN</value>])</literal></tag-name>
2578
fafb7767c128 Restructured njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2571
diff changeset
1222 <tag-desc>
fafb7767c128 Restructured njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2571
diff changeset
1223 Calls a <literal>function</literal>
fafb7767c128 Restructured njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2571
diff changeset
1224 after a specified number of <literal>milliseconds</literal>.
fafb7767c128 Restructured njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2571
diff changeset
1225 One or more optional <literal>arguments</literal>
fafb7767c128 Restructured njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2571
diff changeset
1226 can be passed to the specified function.
fafb7767c128 Restructured njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2571
diff changeset
1227 Returns a <literal>timeout</literal> object.
fafb7767c128 Restructured njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2571
diff changeset
1228 <example>
fafb7767c128 Restructured njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2571
diff changeset
1229 function handler(v)
fafb7767c128 Restructured njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2571
diff changeset
1230 {
fafb7767c128 Restructured njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2571
diff changeset
1231 // ...
fafb7767c128 Restructured njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2571
diff changeset
1232 }
fafb7767c128 Restructured njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2571
diff changeset
1233
fafb7767c128 Restructured njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2571
diff changeset
1234 t = setTimeout(handler, 12);
fafb7767c128 Restructured njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2571
diff changeset
1235
fafb7767c128 Restructured njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2571
diff changeset
1236 // ...
fafb7767c128 Restructured njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2571
diff changeset
1237
fafb7767c128 Restructured njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2571
diff changeset
1238 clearTimeout(t);
fafb7767c128 Restructured njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2571
diff changeset
1239 </example>
fafb7767c128 Restructured njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2571
diff changeset
1240 </tag-desc>
fafb7767c128 Restructured njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2571
diff changeset
1241
fafb7767c128 Restructured njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2571
diff changeset
1242 </list>
fafb7767c128 Restructured njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2571
diff changeset
1243 </para>
fafb7767c128 Restructured njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2571
diff changeset
1244
fafb7767c128 Restructured njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2571
diff changeset
1245 </section>
fafb7767c128 Restructured njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2571
diff changeset
1246
fafb7767c128 Restructured njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2571
diff changeset
1247 </section>
fafb7767c128 Restructured njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2571
diff changeset
1248
fafb7767c128 Restructured njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2571
diff changeset
1249
fafb7767c128 Restructured njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2571
diff changeset
1250 <section id="built-in" name="Built-in Modules">
fafb7767c128 Restructured njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2571
diff changeset
1251
fafb7767c128 Restructured njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2571
diff changeset
1252
2609
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1253 <section id="buffer" name="Buffer">
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1254
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1255 <para>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1256 <list type="tag">
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1257
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1258 <tag-name id="buffer_alloc"><literal>Buffer.alloc(<value>size</value>[,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1259 <value>fill</value>[,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1260 <value>encoding</value>]]))</literal></tag-name>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1261 <tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1262 <para>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1263 Allocates a new Buffer of a specified <value>size</value>.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1264 If <value>fill</value> is not specified, the Buffer will be zero-filled.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1265 If <value>fill</value> is specified,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1266 the allocated Buffer will be initialized by calling
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1267 <link id="buf_fill"><literal>buf.fill(fill)</literal></link>.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1268 If <value>fill</value> and <value>encoding</value> are specified,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1269 the allocated Buffer will be initialized by calling
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1270 <link id="buf_fill"><literal>buf.fill(fill,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1271 encoding)</literal></link>.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1272 </para>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1273
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1274 <para>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1275 The <value>fill</value> parameter may be a
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1276 <value>string</value>,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1277 <value>Buffer</value>,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1278 <value>Uint8Array</value>, or
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1279 <value>integer</value>.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1280 </para>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1281 </tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1282
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1283 <tag-name id="buffer_alloc_unsafe"><literal>Buffer.allocUnsafe(<value>size</value>)</literal></tag-name>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1284 <tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1285 <para>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1286 The same as
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1287 <link id="buffer_alloc"><literal>Buffer.alloc()</literal></link>,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1288 with the difference that the memory allocated for the buffer is not initialized,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1289 the contents of the new buffer is unknown and may contain sensitive data.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1290 </para>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1291 </tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1292
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1293 <tag-name id="buffer_bytelength"><literal>Buffer.byteLength(<value>value</value>[,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1294 <value>encoding</value>])</literal></tag-name>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1295 <tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1296 Returns the byte length of a specified value,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1297 when encoded using <value>encoding</value>.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1298 The value can be a
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1299 <literal>string</literal>,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1300 <literal>Buffer</literal>,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1301 <literal>TypedArray</literal>,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1302 <literal>DataView</literal>, or
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1303 <literal>ArrayBuffer</literal>.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1304 If the value is a <value>string</value>,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1305 the <literal>encoding</literal> parameter is its encoding, can be
2631
7da360f50017 Unified spelling of "utf-8" in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2630
diff changeset
1306 <value>utf8</value>,
2609
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1307 <value>hex</value>,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1308 <value>base64</value>,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1309 <value>base64url</value>;
2631
7da360f50017 Unified spelling of "utf-8" in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2630
diff changeset
1310 by default is <value>utf8</value>.
2609
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1311 </tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1312
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1313 <tag-name id="buffer_compare"><literal>Buffer.compare(<value>buffer1</value>,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1314 <value>buffer2</value>)</literal></tag-name>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1315 <tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1316 Compares <value>buffer1</value> with <value>buffer2</value>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1317 when sorting arrays of Buffer instances.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1318 Returns
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1319 <literal>0</literal> if
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1320 <value>buffer1</value> is the same as <value>buffer2</value>,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1321 <literal>1</literal> if
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1322 <value>buffer2</value> should come before <value>buffer1</value> when sorted, or
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1323 <literal>-1</literal> if
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1324 <value>buffer2</value> should come after <value>buffer1</value> when sorted.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1325 </tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1326
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1327 <tag-name id="buffer_concat"><literal>Buffer.concat(<value>list</value>[,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1328 <value>totalLength</value>])</literal></tag-name>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1329 <tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1330 Returns a new Buffer
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1331 which is the result of concatenating all the Buffer instances in the list.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1332 If there are no items in the list or the total length is 0,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1333 a new zero-length Buffer is returned.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1334 If <value>totalLength</value> is not specified,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1335 it is calculated from the Buffer instances in list by adding their lengths.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1336 If <value>totalLength</value> is specified,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1337 it is coerced to an unsigned integer.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1338 If the combined length of the Buffers in list exceeds
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1339 <value>totalLength</value>,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1340 the result is truncated to <value>totalLength</value>.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1341 </tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1342
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1343 <tag-name id="buffer_from_array"><literal>Buffer.from(<value>array</value>)</literal></tag-name>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1344 <tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1345 Allocates a new Buffer using an array of bytes
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1346 in the range <literal>0</literal> – <literal>255</literal>.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1347 Array entries outside that range will be truncated.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1348 </tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1349
2612
6fdefb00858f Documented Buffer.from(arrayBuffer) method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2609
diff changeset
1350 <tag-name id="buffer_from_arraybuffer"><literal>Buffer.from(<value>arrayBuffer</value>,
6fdefb00858f Documented Buffer.from(arrayBuffer) method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2609
diff changeset
1351 <value>byteOffset</value>[,
6fdefb00858f Documented Buffer.from(arrayBuffer) method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2609
diff changeset
1352 <value>length</value>]])</literal></tag-name>
6fdefb00858f Documented Buffer.from(arrayBuffer) method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2609
diff changeset
1353 <tag-desc>
6fdefb00858f Documented Buffer.from(arrayBuffer) method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2609
diff changeset
1354 Creates a view of the <value>ArrayBuffer</value>
6fdefb00858f Documented Buffer.from(arrayBuffer) method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2609
diff changeset
1355 without copying the underlying memory.
6fdefb00858f Documented Buffer.from(arrayBuffer) method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2609
diff changeset
1356 The optional <value>byteOffset</value> and <value>length</value> arguments
6fdefb00858f Documented Buffer.from(arrayBuffer) method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2609
diff changeset
1357 specify a memory range within the <value>arrayBuffer</value>
6fdefb00858f Documented Buffer.from(arrayBuffer) method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2609
diff changeset
1358 that will be shared by the Buffer.
6fdefb00858f Documented Buffer.from(arrayBuffer) method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2609
diff changeset
1359 </tag-desc>
6fdefb00858f Documented Buffer.from(arrayBuffer) method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2609
diff changeset
1360
2609
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1361 <tag-name id="buffer_from_buffer"><literal>Buffer.from(<value>buffer</value>)</literal></tag-name>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1362 <tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1363 Copies the passed buffer data onto a new Buffer instance.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1364 </tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1365
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1366 <tag-name id="buffer_from_object"><literal>Buffer.from(<value>object</value>[,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1367 <value>offsetOrEncoding</value>[,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1368 <value>length</value>]])</literal></tag-name>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1369 <tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1370 For objects whose <literal>valueOf()</literal> function
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1371 returns a value not strictly equal to object,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1372 returns
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1373 <literal>Buffer.from(object.valueOf()</literal>,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1374 <literal>offsetOrEncoding</literal>,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1375 <literal>length</literal>).
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1376 </tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1377
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1378 <tag-name id="buffer_from_string"><literal>Buffer.from(<value>string</value>[,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1379 <value>encoding</value>])</literal></tag-name>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1380 <tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1381 Creates a new Buffer with a <value>string</value>.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1382 The <value>encoding</value> parameter identifies the character encoding
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1383 to be used when converting a string into bytes.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1384 The encoding can be
2631
7da360f50017 Unified spelling of "utf-8" in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2630
diff changeset
1385 <literal>utf8</literal>,
2609
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1386 <literal>hex</literal>,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1387 <literal>base64</literal>,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1388 <literal>base64url</literal>;
2631
7da360f50017 Unified spelling of "utf-8" in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2630
diff changeset
1389 by default is <literal>utf8</literal>.
2609
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1390 </tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1391
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1392 <tag-name id="buffer_is_buffer"><literal>Buffer.isBuffer(<value>object</value>)</literal></tag-name>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1393 <tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1394 A boolean value,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1395 returns <literal>true</literal> if <value>object</value> is a Buffer.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1396 </tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1397
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1398 <tag-name id="buffer_is_encoding"><literal>Buffer.isEncoding(<value>encoding</value>)</literal></tag-name>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1399 <tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1400 A boolean value,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1401 returns <literal>true</literal>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1402 if encoding is the name of a supported character encoding.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1403 </tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1404
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1405 <tag-name id="buf_index"><literal>buffer[<value>index</value>]</literal></tag-name>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1406 <tag-desc>
2647
0085d9f7dc3f Minor corrections in njs reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2631
diff changeset
1407 The index operator that can be used to get and set the octet
0085d9f7dc3f Minor corrections in njs reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2631
diff changeset
1408 at position <literal>index</literal> in <literal>buffer</literal>.
2609
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1409 The values refer to individual bytes,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1410 so the legal value range is between 0 and 255 (decimal).
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1411 </tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1412
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1413 <tag-name id="buf_buffer"><literal>buf.buffer</literal></tag-name>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1414 <tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1415 The underlying <literal>ArrayBuffer</literal> object
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1416 based on which this Buffer object is created.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1417 </tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1418
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1419 <tag-name id="buf_byte_offset"><literal>buf.byteOffset</literal></tag-name>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1420 <tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1421 An integer,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1422 specifying the <literal>byteOffset</literal> of the Buffers
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1423 underlying <literal>ArrayBuffer</literal> object.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1424 </tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1425
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1426 <tag-name id="buf_compare"><literal>buf.compare(<value>target</value>[,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1427 <value>targetStart</value>[,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1428 <value>targetEnd</value>[,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1429 <value>sourceStart</value>[,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1430 <value>sourceEnd</value>]]]])</literal></tag-name>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1431 <tag-desc>
2647
0085d9f7dc3f Minor corrections in njs reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2631
diff changeset
1432 Compares buffer with <value>target</value> and returns a number
2609
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1433 indicating whether buffer comes before, after, or is the same
2647
0085d9f7dc3f Minor corrections in njs reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2631
diff changeset
1434 as <value>target</value> in sort order.
2609
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1435 Comparison is based on the actual sequence of bytes in each Buffer.
2647
0085d9f7dc3f Minor corrections in njs reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2631
diff changeset
1436 The <literal>targetStart</literal> is an integer specifying
0085d9f7dc3f Minor corrections in njs reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2631
diff changeset
1437 the offset within <value>target</value> at which to begin comparison,
2609
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1438 by default is 0.
2647
0085d9f7dc3f Minor corrections in njs reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2631
diff changeset
1439 The <literal>targetEnd</literal> is an integer specifying
0085d9f7dc3f Minor corrections in njs reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2631
diff changeset
1440 the offset within <value>target</value> at which to end comparison,
2609
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1441 by default is <literal>target.length</literal>.
2647
0085d9f7dc3f Minor corrections in njs reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2631
diff changeset
1442 The <literal>sourceStart</literal> is an integer specifying
0085d9f7dc3f Minor corrections in njs reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2631
diff changeset
1443 the offset within buffer at which to begin comparison,
2609
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1444 by default is 0.
2647
0085d9f7dc3f Minor corrections in njs reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2631
diff changeset
1445 The <literal>sourceEnd</literal> is an integer specifying
0085d9f7dc3f Minor corrections in njs reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2631
diff changeset
1446 the offset within buffer at which to end comparison (not inclusive),
2609
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1447 by default is <literal>buf.length</literal>.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1448 </tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1449
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1450 <tag-name id="buf_copy"><literal>buf.copy(<value>target</value>[,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1451 <value>targetStart</value>[,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1452 <value>sourceStart</value>[,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1453 <value>sourceEnd</value>]]])</literal></tag-name>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1454 <tag-desc>
2647
0085d9f7dc3f Minor corrections in njs reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2631
diff changeset
1455 Copies data from a region of buffer to a region in <value>target</value>,
2609
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1456 even if the target memory region overlaps with buffer.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1457 The <literal>target</literal> parameter is a
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1458 <value>Buffer</value> or <value>Uint8Array</value> to copy into.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1459
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1460 <para>
2647
0085d9f7dc3f Minor corrections in njs reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2631
diff changeset
1461 The <literal>targetStart</literal> is an integer specifying
0085d9f7dc3f Minor corrections in njs reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2631
diff changeset
1462 the offset within target at which to begin writing,
2609
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1463 by default is 0.
2647
0085d9f7dc3f Minor corrections in njs reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2631
diff changeset
1464 The <literal>sourceStart</literal> is an integer specifying
0085d9f7dc3f Minor corrections in njs reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2631
diff changeset
1465 the offset within buffer from which to begin copying,
2609
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1466 by default is 0.
2647
0085d9f7dc3f Minor corrections in njs reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2631
diff changeset
1467 The <literal>sourceEnd</literal> is an integer specifying
0085d9f7dc3f Minor corrections in njs reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2631
diff changeset
1468 the offset within buffer at which to stop copying (not inclusive)
2609
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1469 by default is <value>buf.length</value>.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1470 </para>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1471 </tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1472
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1473 <tag-name id="buf_equals"><literal>buf.equals(<value>otherBuffer</value>)</literal></tag-name>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1474 <tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1475 A boolean value,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1476 returns <literal>true</literal> if both Buffer and <value>otherBuffer</value>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1477 have exactly the same bytes.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1478 </tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1479
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1480 <tag-name id="buf_fill"><literal>buf.fill(<value>value</value>[,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1481 <value>offset</value>[,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1482 <value>end</value>]][,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1483 <value>encoding</value>])</literal></tag-name>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1484 <tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1485 Fills the Buffer with the specified <value>value</value>.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1486 If the <value>offset</value> and <value>end</value> are not specified,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1487 the entire Buffer will be filled.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1488 The <value>value</value> is coerced to <value>uint32</value> if it is not a
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1489 <literal>string</literal>,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1490 <literal>Buffer</literal>, or
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1491 <literal>integer</literal>.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1492 If the resulting integer is greater than 255,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1493 the Buffer will be filled with <value>value</value> and 255.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1494 </tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1495
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1496 <tag-name id="buf_includes"><literal>buf.includes(<value>value</value>[,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1497 <value>byteOffset</value>][,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1498 <value>encoding</value>])</literal></tag-name>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1499 <tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1500 Equivalent to
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1501 <link id="buf_indexof"><literal>buf.indexOf()</literal></link>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1502 <literal>!== -1</literal>,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1503 returns <literal>true</literal> if the <value>value</value> was found
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1504 in Buffer.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1505 </tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1506
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1507 <tag-name id="buf_indexof"><literal>buf.indexOf(<value>value</value>[,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1508 <value>byteOffset</value>][,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1509 <value>encoding</value>])</literal></tag-name>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1510 <tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1511 Returns an integer which is the index of the first occurrence of
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1512 <value>value</value> in Buffer, or <value>-1</value>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1513 if Buffer does not contain value.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1514 The <value>value</value> can be a
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1515 <literal>string</literal> with specified <value>encoding</value>
2631
7da360f50017 Unified spelling of "utf-8" in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2630
diff changeset
1516 (by default <value>utf8</value>),
2609
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1517 <literal>Buffer</literal>,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1518 <literal>Unit8Array</literal>,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1519 or a number between 0 and 255.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1520 </tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1521
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1522 <tag-name id="buf_lastindexof"><literal>buf.lastIndexOf(<value>value</value>[,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1523 <value>byteOffset</value>][,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1524 <value>encoding</value>])</literal></tag-name>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1525 <tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1526 The same as
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1527 <link id="buf_indexof"><literal>buf.indexOf()</literal></link>,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1528 except the last occurrence of the <value>value</value> is found
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1529 instead of the first occurrence.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1530 The <value>value</value> can be a string, Buffer, or
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1531 integer between 1 and 255.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1532 If the <value>value</value> is an empty string or empty Buffer,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1533 <literal>byteOffset</literal> will be returned.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1534 </tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1535
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1536 <tag-name id="buf_length"><literal>buf.length</literal></tag-name>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1537 <tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1538 Returns the number of bytes in Buffer.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1539 </tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1540
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1541 <tag-name id="buf_readintbe"><literal>buf.readIntBE(<value>offset</value>,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1542 <value>byteLength</value>)</literal></tag-name>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1543 <tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1544 Reads the <value>byteLength</value> from <literal>buf</literal>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1545 at the specified <value>offset</value>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1546 and interprets the result as a big-endian,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1547 two's complement signed value supporting up to 48 bits of accuracy.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1548 The <value>byteLength</value> parameter is an integer between 1 and 6
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1549 specifying the number of bytes to read.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1550 <para>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1551 The similar methods are also supported:
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1552 <literal>buf.readInt8([offset])</literal>,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1553 <literal>buf.readInt16BE([offset])</literal>,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1554 <literal>buf.readInt32BE([offset])</literal>.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1555 </para>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1556 </tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1557
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1558 <tag-name id="buf_readintle"><literal>buf.readIntLE(<value>offset</value>,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1559 <value>byteLength</value>)</literal></tag-name>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1560 <tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1561 Reads the <value>byteLength</value> from <literal>buf</literal>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1562 at the specified <value>offset</value>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1563 and interprets the result as a little-endian,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1564 two's complement signed value supporting up to 48 bits of accuracy.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1565 The <value>byteLength</value> parameter is an integer between 1 and 6
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1566 specifying the number of bytes to read.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1567 <para>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1568 The similar methods are also supported:
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1569 <literal>buf.readInt8([offset])</literal>,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1570 <literal>buf.readInt16LE([offset])</literal>,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1571 <literal>buf.readInt32LE([offset])</literal>.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1572 </para>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1573 </tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1574
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1575 <tag-name id="buf_readuintbe"><literal>buf.readUIntBE(<value>offset</value>,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1576 <value>byteLength</value>)</literal></tag-name>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1577 <tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1578 Reads the <value>byteLength</value> from <literal>buf</literal>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1579 at the specified <value>offset</value>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1580 and interprets the result as a big-endian
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1581 integer supporting up to 48 bits of accuracy.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1582 The <value>byteLength</value> parameter is an integer between 1 and 6
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1583 specifying the number of bytes to read.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1584 <para>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1585 The similar methods are also supported:
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1586 <literal>buf.readUInt8([offset])</literal>,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1587 <literal>buf.readUInt16BE([offset])</literal>,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1588 <literal>buf.readUInt32BE([offset])</literal>.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1589 </para>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1590 </tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1591
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1592 <tag-name id="buf_readuintle"><literal>buf.readUIntLE(<value>offset</value>,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1593 <value>byteLength</value>)</literal></tag-name>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1594 <tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1595 Reads the <value>byteLength</value> from <literal>buf</literal>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1596 at the specified <value>offset</value>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1597 and interprets the result as a little-endian
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1598 integer supporting up to 48 bits of accuracy.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1599 The <value>byteLength</value> parameter is an integer between 1 and 6
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1600 specifying the number of bytes to read.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1601 <para>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1602 The similar methods are also supported:
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1603 <literal>buf.readUInt8([offset])</literal>,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1604 <literal>buf.readUInt16LE([offset])</literal>,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1605 <literal>buf.readUInt32LE([offset])</literal>.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1606 </para>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1607 </tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1608
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1609 <tag-name id="buf_readdobulebe"><literal>buf.readDoubleBE</literal>([<value>offset</value>])</tag-name>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1610 <tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1611 Reads a 64-bit, big-endian double from <literal>buf</literal>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1612 at the specified <value>offset</value>.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1613 </tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1614
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1615 <tag-name id="buf_readdobulele"><literal>buf.readDoubleLE</literal>([<value>offset</value>])</tag-name>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1616 <tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1617 Reads a 64-bit, little-endian double from <literal>buf</literal>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1618 at the specified <value>offset</value>.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1619 </tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1620
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1621 <tag-name id="buf_readfloatbe"><literal>buf.readFloatBE</literal>([<value>offset</value>])</tag-name>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1622 <tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1623 Reads a 32-bit, big-endian float from <literal>buf</literal>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1624 at the specified <value>offset</value>.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1625 </tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1626
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1627 <tag-name id="buf_readfloatle"><literal>buf.readFloatLE</literal>([<value>offset</value>])</tag-name>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1628 <tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1629 Reads a 32-bit, little-endian float from <literal>buf</literal>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1630 at the specified <value>offset</value>.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1631 </tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1632
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1633 <tag-name id="buf_subarray"><literal>buf.subarray[<value>start</value>[,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1634 <value>end</value>]])</literal></tag-name>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1635 <tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1636 Returns a new <literal>buf</literal>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1637 that references the same memory as the original,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1638 but offset and cropped by
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1639 <value>start</value> and <value>end</value>.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1640 If <value>end</value> is greater than
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1641 <link id="buf_length"><literal>buf.length</literal></link>,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1642 the same result as that of end equal to
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1643 <link id="buf_length"><literal>buf.length</literal></link>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1644 is returned.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1645 </tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1646
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1647 <tag-name id="buf_slice"><literal>buf.slice[<value>start</value>[,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1648 <value>end</value>]])</literal></tag-name>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1649 <tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1650 Returns a new <literal>buf</literal>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1651 that references the same memory as the original,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1652 but offset and cropped by the
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1653 <value>start</value> and <value>end</value> values.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1654 The method is not compatible with the
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1655 <literal>Uint8Array.prototype.slice()</literal>,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1656 which is a superclass of Buffer.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1657 To copy the slice, use
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1658 <literal>Uint8Array.prototype.slice()</literal>.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1659 </tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1660
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1661 <tag-name id="buf_swap16"><literal>buf.swap16</literal>()</tag-name>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1662 <tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1663 Interprets <literal>buf</literal> as an array of unsigned 16-bit numbers
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1664 and swaps the byte order in-place.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1665 Throws an error if
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1666 <link id="buf_length"><literal>buf.length</literal></link>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1667 is not a multiple of 2.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1668 </tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1669
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1670 <tag-name id="buf_swap32"><literal>buf.swap32</literal>()</tag-name>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1671 <tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1672 Interprets <literal>buf</literal> as an array of unsigned 32-bit numbers
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1673 and swaps the byte order in-place.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1674 Throws an error if
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1675 <link id="buf_length"><literal>buf.length</literal></link>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1676 is not a multiple of 4.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1677 </tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1678
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1679 <tag-name id="buf_swap64"><literal>buf.swap64</literal>()</tag-name>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1680 <tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1681 Interprets <literal>buf</literal> as an array of 64-bit numbers
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1682 and swaps byte order in-place.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1683 Throws an error if
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1684 <link id="buf_length"><literal>buf.length</literal></link>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1685 is not a multiple of 8.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1686 </tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1687
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1688 <tag-name id="buf_tojson"><literal>buf.toJSON</literal>()</tag-name>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1689 <tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1690 Returns a JSON representation of <literal>buf.</literal>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1691 <literal>JSON.stringify()</literal>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1692 implicitly calls this function when stringifying a Buffer instance.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1693 </tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1694
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1695 <tag-name id="buf_tostring"><literal>buf.toString([<value>encoding</value>[,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1696 <value>start</value>[,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1697 <value>end</value>]]])</literal></tag-name>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1698 <tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1699 Decodes <literal>buf</literal> to a string
2647
0085d9f7dc3f Minor corrections in njs reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2631
diff changeset
1700 according to the specified character <value>encoding</value>
2631
7da360f50017 Unified spelling of "utf-8" in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2630
diff changeset
1701 which can be <value>utf8</value>,
2609
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1702 <value>hex</value>,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1703 <value>base64</value>,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1704 <value>base64url</value>.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1705 The <value>start</value> and <value>end</value> parameters
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1706 may be passed to decode only a subset of Buffer.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1707 </tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1708
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1709 <tag-name id="buf_write"><literal>buf.write(<value>string</value>[,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1710 <value>offset</value>[,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1711 <value>length</value>]][,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1712 <value>encoding</value>])</literal></tag-name>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1713 <tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1714 Writes a <value>string</value> to <literal>buf</literal>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1715 at <value>offset</value>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1716 according to the character <value>encoding</value>.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1717 The <value>length</value> parameter is the number of bytes to write.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1718 If Buffer did not contain enough space to fit the entire string,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1719 only part of string will be written,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1720 however, partially encoded characters will not be written.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1721 The <value>encoding</value> can be
2631
7da360f50017 Unified spelling of "utf-8" in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2630
diff changeset
1722 <value>utf8</value>,
2609
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1723 <value>hex</value>,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1724 <value>base64</value>,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1725 <value>base64url</value>.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1726 </tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1727
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1728 <tag-name id="buf_writeintbe"><literal>buf.writeIntBE(<value>value</value>,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1729 <value>offset</value>,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1730 <value>byteLength</value>)</literal></tag-name>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1731 <tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1732 Writes <value>byteLength</value> bytes of <value>value</value>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1733 to <literal>buf</literal>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1734 at the specified <value>offset</value> as big-endian.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1735 Supports up to 48 bits of accuracy.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1736 The <value>byteLength</value> parameter is an integer between 1 and 6
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1737 specifying the number of bytes to read.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1738 <para>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1739 The following similar methods are also supported:
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1740 <literal>buf.writeInt8</literal>,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1741 <literal>buf.writeInt16BE</literal>,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1742 <literal>buf.writeInt32BE</literal>.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1743 </para>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1744 </tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1745
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1746 <tag-name id="buf_writeintle"><literal>buf.writeIntLE(<value>value</value>,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1747 <value>offset</value>,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1748 <value>byteLength</value>)</literal></tag-name>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1749 <tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1750 Writes <value>byteLength</value> bytes of <value>value</value>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1751 to <literal>buf</literal>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1752 at the specified <value>offset</value> as little-endian.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1753 Supports up to 48 bits of accuracy.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1754 The <value>byteLength</value> parameter is an integer between 1 and 6
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1755 specifying the number of bytes to read.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1756 <para>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1757 The following similar methods are also supported:
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1758 <literal>buf.writeInt8</literal>,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1759 <literal>buf.writeInt16LE</literal>,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1760 <literal>buf.writeInt32LE</literal>.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1761 </para>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1762 </tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1763
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1764 <tag-name id="buf_writeuintbe"><literal>buf.writeUIntBE(<value>value</value>,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1765 <value>offset</value>,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1766 <value>byteLength</value>)</literal></tag-name>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1767 <tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1768 Writes <value>byteLength</value> bytes of <value>value</value>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1769 to <literal>buf</literal>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1770 at the specified <value>offset</value> as big-endian.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1771 Supports up to 48 bits of accuracy.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1772 The <value>byteLength</value> parameter is an integer between 1 and 6
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1773 specifying the number of bytes to read.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1774 <para>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1775 The following similar methods are also supported:
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1776 <literal>buf.writeUInt8</literal>,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1777 <literal>buf.writeUInt16BE</literal>,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1778 <literal>buf.writeUInt32BE</literal>.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1779 </para>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1780 </tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1781
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1782 <tag-name id="buf_writeuintle"><literal>buf.writeUIntLE(<value>value</value>,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1783 <value>offset</value>,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1784 <value>byteLength</value>)</literal></tag-name>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1785 <tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1786 Writes <value>byteLength</value> bytes of <value>value</value>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1787 to <literal>buf</literal>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1788 at the specified <value>offset</value> as little-endian.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1789 Supports up to 48 bits of accuracy.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1790 The <value>byteLength</value> parameter is an integer between 1 and 6
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1791 specifying the number of bytes to read.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1792 <para>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1793 The following similar methods are also supported:
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1794 <literal>buf.writeUInt8</literal>,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1795 <literal>buf.writeUInt16LE</literal>,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1796 <literal>buf.writeUInt32LE</literal>.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1797 </para>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1798 </tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1799
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1800 <tag-name id="buf_writedoublebe"><literal>buf.writeDoubleBE(<value>value</value>,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1801 [<value>offset</value>])</literal></tag-name>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1802 <tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1803 Writes the <value>value</value> to <literal>buf</literal>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1804 at the specified <value>offset</value> as big-endian.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1805 </tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1806
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1807 <tag-name id="buf_writedoublele"><literal>buf.writeDoubleLE(<value>value</value>,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1808 [<value>offset</value>])</literal></tag-name>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1809 <tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1810 Writes the <value>value</value> to <literal>buf</literal>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1811 at the specified <value>offset</value> as little-endian.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1812 </tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1813
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1814 <tag-name id="buf_writefloatbe"><literal>buf.writeFloatBE(<value>value</value>,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1815 [<value>offset</value>])</literal></tag-name>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1816 <tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1817 Writes the <value>value</value> to <literal>buf</literal>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1818 at the specified <value>offset</value> as big-endian.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1819 </tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1820
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1821 <tag-name id="buf_writefloatle"><literal>buf.writeFloatLE(<value>value</value>,
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1822 [<value>offset</value>])</literal></tag-name>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1823 <tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1824 Writes the <value>value</value> to <literal>buf</literal>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1825 at the specified <value>offset</value> as little-endian.
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1826 </tag-desc>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1827
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1828 </list>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1829 </para>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1830
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1831 </section>
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1832
99bd2ae8d2be Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2605
diff changeset
1833
2177
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1834 <section id="crypto" name="Crypto">
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1835
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1836 <para>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1837 The Crypto module provides cryptographic functionality support.
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1838 The Crypto module object is returned by <literal>require('crypto')</literal>.
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1839 </para>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1840
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1841 <para>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1842 <list type="tag">
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1843
2267
c30048802769 Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2259
diff changeset
1844 <tag-name id="crypto_createhash"><literal>crypto.createHash(<value>algorithm</value>)</literal></tag-name>
2177
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1845 <tag-desc>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1846 Creates and returns a <link id="crypto_hash">Hash</link> object
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1847 that can be used to generate hash digests
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1848 using the given <value>algorithm</value>.
2496
9dddac1420fe Fixed typo in njs reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2484
diff changeset
1849 The algorithm can be
2177
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1850 <literal>md5</literal>,
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1851 <literal>sha1</literal>, and
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1852 <literal>sha256</literal>.
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1853 </tag-desc>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1854
2267
c30048802769 Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2259
diff changeset
1855 <tag-name id="crypto_createhmac"><literal>crypto.createHmac(<value>algorithm</value>,
2177
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1856 <value>secret key</value>)</literal></tag-name>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1857 <tag-desc>
2579
63cef7604e0d Minor review of njs Reference for typos and style.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2578
diff changeset
1858 Creates and returns an <link id="crypto_hmac">HMAC</link> object that uses
63cef7604e0d Minor review of njs Reference for typos and style.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2578
diff changeset
1859 the given <value>algorithm</value> and <value>secret key</value>.
2496
9dddac1420fe Fixed typo in njs reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2484
diff changeset
1860 The algorithm can be
2177
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1861 <literal>md5</literal>,
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1862 <literal>sha1</literal>, and
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1863 <literal>sha256</literal>.
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1864 </tag-desc>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1865
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1866 </list>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1867 </para>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1868
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1869
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1870 <section id="crypto_hash" name="Hash">
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1871
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1872 <para>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1873 <list type="tag">
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1874
2601
5528961da54d njs-0.4.4.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2585
diff changeset
1875 <tag-name id="crypto_hash_update"><literal>hash.update(<value>data</value>)</literal></tag-name>
2177
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1876 <tag-desc>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1877 Updates the hash content with the given <value>data</value>.
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1878 </tag-desc>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1879
2601
5528961da54d njs-0.4.4.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2585
diff changeset
1880 <tag-name id="crypto_hash_digest"><literal>hash.digest([<value>encoding</value>])</literal></tag-name>
2177
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1881 <tag-desc>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1882 Calculates the digest of all of the data passed using
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1883 <literal>hash.update()</literal>.
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1884 The encoding can be
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1885 <literal>hex</literal>,
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1886 <literal>base64</literal>, and
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1887 <literal>base64url</literal>.
2604
a29676472a11 Added Buffer object info to some njs methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2601
diff changeset
1888 If encoding is not provided, a Buffer object
a29676472a11 Added Buffer object info to some njs methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2601
diff changeset
1889 (<link doc="changes.xml" id="njs0.4.4">0.4.4</link>) is returned.
a29676472a11 Added Buffer object info to some njs methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2601
diff changeset
1890 <note>
a29676472a11 Added Buffer object info to some njs methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2601
diff changeset
1891 Before version (<link doc="changes.xml" id="njs0.4.4">0.4.4</link>),
a29676472a11 Added Buffer object info to some njs methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2601
diff changeset
1892 a byte string was returned instead of a Buffer object.
a29676472a11 Added Buffer object info to some njs methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2601
diff changeset
1893 </note>
2177
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1894 </tag-desc>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1895
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1896 </list>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1897 </para>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1898
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1899 <para>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1900 <example>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1901 >> var cr = require('crypto')
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1902 undefined
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1903
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1904 >> cr.createHash('sha1').update('A').update('B').digest('base64url')
2214
e029f4bc7ede Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2212
diff changeset
1905 'BtlFlCqiamG-GMPiK_GbvKjdK10'
2177
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1906 </example>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1907 </para>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1908
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1909 </section>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1910
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1911
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1912 <section id="crypto_hmac" name="HMAC">
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1913
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1914 <para>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1915 <list type="tag">
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1916
2601
5528961da54d njs-0.4.4.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2585
diff changeset
1917 <tag-name id="crypto_hmac_update"><literal>hmac.update(<value>data</value>)</literal></tag-name>
2177
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1918 <tag-desc>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1919 Updates the HMAC content with the given <value>data</value>.
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1920 </tag-desc>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1921
2601
5528961da54d njs-0.4.4.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2585
diff changeset
1922 <tag-name id="crypto_hmac_digest"><literal>hmac.digest([<value>encoding</value>])</literal></tag-name>
2177
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1923 <tag-desc>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1924 Calculates the HMAC digest of all of the data passed using
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1925 <literal>hmac.update()</literal>.
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1926 The encoding can be
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1927 <literal>hex</literal>,
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1928 <literal>base64</literal>, and
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1929 <literal>base64url</literal>.
2604
a29676472a11 Added Buffer object info to some njs methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2601
diff changeset
1930 If encoding is not provided, a Buffer object
a29676472a11 Added Buffer object info to some njs methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2601
diff changeset
1931 (<link doc="changes.xml" id="njs0.4.4">0.4.4</link>) is returned.
a29676472a11 Added Buffer object info to some njs methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2601
diff changeset
1932 <note>
a29676472a11 Added Buffer object info to some njs methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2601
diff changeset
1933 Before version <link doc="changes.xml" id="njs0.4.4">0.4.4</link>,
a29676472a11 Added Buffer object info to some njs methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2601
diff changeset
1934 a byte string was returned instead of a Buffer object.
a29676472a11 Added Buffer object info to some njs methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2601
diff changeset
1935 </note>
2177
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1936 </tag-desc>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1937 </list>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1938 </para>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1939
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1940 <para>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1941 <example>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1942 >> var cr = require('crypto')
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1943 undefined
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1944
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1945 >> cr.createHmac('sha1', 'secret.key').update('AB').digest('base64url')
2214
e029f4bc7ede Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2212
diff changeset
1946 'Oglm93xn23_MkiaEq_e9u8zk374'
2177
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1947 </example>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1948 </para>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1949
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1950 </section>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1951
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1952 </section>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1953
2204
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1954
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1955 <section id="njs_api_fs" name="File System">
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1956
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1957 <para>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1958 The File System module provides operations with files.
2507
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1959 </para>
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1960
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1961 <para>
2204
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1962 The module object is returned by <literal>require('fs')</literal>.
2508
d3d5b67a1462 Language fixes in njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2507
diff changeset
1963 Since <link doc="changes.xml" id="njs0.3.9">0.3.9</link>,
d3d5b67a1462 Language fixes in njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2507
diff changeset
1964 promissified versions of file system methods are available through
2507
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1965 <literal>require('fs').promises</literal> object:
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1966 <example>
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1967 > var fs = require('fs').promises;
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1968 undefined
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1969 > fs.readFile("/file/path").then((data)=>console.log(data))
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1970 &lt;file data&gt;
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1971 </example>
2204
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1972 <list type="tag">
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1973
2507
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1974 <tag-name id="fs_accesssync"><literal>accessSync(<value>path</value>[,
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1975 <value>mode</value>])</literal></tag-name>
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1976 <tag-desc>
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1977 Synchronously tests permissions for a file or directory
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1978 specified in the <literal>path</literal>
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1979 (<link doc="changes.xml" id="njs0.3.9">0.3.9</link>).
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1980 If the check fails, an error will be returned,
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1981 otherwise, the method will return undefined.
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1982 <list type="tag">
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1983
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1984 <tag-name><literal>mode</literal></tag-name>
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1985 <tag-desc>
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1986 by default is <link id="access_const"><literal>fs.constants.F_OK</literal></link>.
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1987 The mode argument is an optional integer
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1988 that specifies the accessibility checks to be performed.
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1989 <example>
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1990 try {
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1991 fs.accessSync('/file/path', fs.constants.R_OK | fs.constants.W_OK);
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1992 console.log('has access');
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1993 } catch (e) {
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1994 console.log('no access');)
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1995 }
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1996 </example>
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1997 </tag-desc>
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1998
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1999 </list>
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
2000 </tag-desc>
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
2001
2570
44792f1ee284 Added IDs to methods in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2569
diff changeset
2002 <tag-name id="fs_appendfilesync"><literal>appendFileSync(<value>filename</value>,
2204
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2003 <value>data</value>[, <value>options</value>])</literal></tag-name>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2004 <tag-desc>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2005 Synchronously appends specified <literal>data</literal>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2006 to a file with provided <literal>filename</literal>.
2604
a29676472a11 Added Buffer object info to some njs methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2601
diff changeset
2007 The <literal>data</literal> is expected to be a string
a29676472a11 Added Buffer object info to some njs methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2601
diff changeset
2008 or a Buffer object (<link doc="changes.xml" id="njs0.4.4">0.4.4</link>).
2204
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2009 If the file does not exist, it will be created.
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2010 The <literal>options</literal> parameter is expected to be
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2011 an object with the following keys:
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2012 <list type="tag">
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2013
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2014 <tag-name><literal>mode</literal></tag-name>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2015 <tag-desc>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2016 mode option, by default is <literal>0o666</literal>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2017 </tag-desc>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2018
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2019 <tag-name><literal>flag</literal></tag-name>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2020 <tag-desc>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2021 file system <link id="njs_api_fs_flags">flag</link>,
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2022 by default is <literal>a</literal>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2023 </tag-desc>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2024
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2025 </list>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2026 </tag-desc>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2027
2563
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2028 <tag-name id="fs_mkdirsync"><literal>mkdirSync(<value>path</value>[,
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2029 <value>options</value>])</literal></tag-name>
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2030 <tag-desc>
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2031 Synchronously creates a directory at the specified <literal>path</literal>
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2032 (<link doc="changes.xml" id="njs0.4.2">0.4.2</link>).
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2033 The <literal>options</literal> parameter is expected to be an
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2034 <literal>integer</literal> that specifies
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2035 the <link id="fs_mkdirsync_mode">mode</link>,
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2036 or an object with the following keys:
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2037 <list type="tag">
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2038
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2039 <tag-name id="fs_mkdirsync_mode"><literal>mode</literal></tag-name>
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2040 <tag-desc>
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2041 mode option, by default is <literal>0o777</literal>.
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2042 </tag-desc>
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2043
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2044 </list>
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2045 </tag-desc>
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2046
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2047 <tag-name id="fs_readdirsync"><literal>readdirSync(<value>path</value>[,
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2048 <value>options</value>])</literal></tag-name>
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2049 <tag-desc>
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2050 Synchronously reads the contents of a directory
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2051 at the specified <literal>path</literal>
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2052 (<link doc="changes.xml" id="njs0.4.2">0.4.2</link>).
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2053 The <literal>options</literal> parameter is expected to be
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2054 a string that specifies <link id="fs_readdirsync_encoding">encoding</link>
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2055 or an object with the following keys:
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2056 <list type="tag">
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2057
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2058 <tag-name id="fs_readdirsync_encoding"><literal>encoding</literal></tag-name>
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2059 <tag-desc>
2604
a29676472a11 Added Buffer object info to some njs methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2601
diff changeset
2060 encoding, by default is <literal>utf8</literal>.
a29676472a11 Added Buffer object info to some njs methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2601
diff changeset
2061 The encoding can be <literal>utf8</literal> and <literal>buffer</literal>
a29676472a11 Added Buffer object info to some njs methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2601
diff changeset
2062 (<link doc="changes.xml" id="njs0.4.4">0.4.4</link>).
2563
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2063 </tag-desc>
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2064
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2065 <tag-name id="fs_readdirsync_withfiletypes"><literal>withFileTypes</literal></tag-name>
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2066 <tag-desc>
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2067 if set to <literal>true</literal>, the files array will contain
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2068 <link id="fs_dirent"><literal>fs.Dirent</literal></link> objects,
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2069 by default is <literal>false</literal>.
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2070 </tag-desc>
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2071
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2072 </list>
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2073 </tag-desc>
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2074
2570
44792f1ee284 Added IDs to methods in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2569
diff changeset
2075 <tag-name id="fs_readfilesync"><literal>readFileSync(<value>filename</value>[,
2204
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2076 <value>options</value>])</literal></tag-name>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2077 <tag-desc>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2078 Synchronously returns the contents of the file
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2079 with provided <literal>filename</literal>.
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2080 The <literal>options</literal> parameter holds
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2081 <literal>string</literal> that specifies encoding.
2604
a29676472a11 Added Buffer object info to some njs methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2601
diff changeset
2082 If an encoding is specified, a string is returned,
a29676472a11 Added Buffer object info to some njs methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2601
diff changeset
2083 otherwise, a Buffer object
a29676472a11 Added Buffer object info to some njs methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2601
diff changeset
2084 (<link doc="changes.xml" id="njs0.4.4">0.4.4</link>) is returned.
a29676472a11 Added Buffer object info to some njs methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2601
diff changeset
2085 <note>
a29676472a11 Added Buffer object info to some njs methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2601
diff changeset
2086 Before version <link doc="changes.xml" id="njs0.4.4">0.4.4</link>,
a29676472a11 Added Buffer object info to some njs methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2601
diff changeset
2087 a <link id="string_tobytes">byte string</link> was returned
a29676472a11 Added Buffer object info to some njs methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2601
diff changeset
2088 if encoding was not specified.
a29676472a11 Added Buffer object info to some njs methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2601
diff changeset
2089 </note>
2204
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2090 Otherwise, <literal>options</literal> is expected to be
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2091 an object with the following keys:
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2092 <list type="tag">
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2093
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2094 <tag-name><literal>encoding</literal></tag-name>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2095 <tag-desc>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2096 encoding, by default is not specified.
2604
a29676472a11 Added Buffer object info to some njs methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2601
diff changeset
2097 The encoding can be <literal>utf8</literal>,
a29676472a11 Added Buffer object info to some njs methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2601
diff changeset
2098 <literal>hex</literal>
a29676472a11 Added Buffer object info to some njs methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2601
diff changeset
2099 (<link doc="changes.xml" id="njs0.4.4">0.4.4</link>),
a29676472a11 Added Buffer object info to some njs methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2601
diff changeset
2100 <literal>base64</literal>
a29676472a11 Added Buffer object info to some njs methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2601
diff changeset
2101 (<link doc="changes.xml" id="njs0.4.4">0.4.4</link>),
a29676472a11 Added Buffer object info to some njs methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2601
diff changeset
2102 <literal>base64url</literal>
a29676472a11 Added Buffer object info to some njs methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2601
diff changeset
2103 (<link doc="changes.xml" id="njs0.4.4">0.4.4</link>).
2204
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2104 </tag-desc>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2105
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2106 <tag-name><literal>flag</literal></tag-name>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2107 <tag-desc>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2108 file system <link id="njs_api_fs_flags">flag</link>,
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2109 by default is <literal>r</literal>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2110 </tag-desc>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2111
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2112 </list>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2113 <example>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2114 >> var fs = require('fs')
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2115 undefined
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2116 >> var file = fs.readFileSync('/file/path.tar.gz')
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2117 undefined
2604
a29676472a11 Added Buffer object info to some njs methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2601
diff changeset
2118 >> var gzipped = file.slice(0,2).toString('hex') === '1f8b'; gzipped
2204
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2119 true
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2120 </example>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2121 </tag-desc>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2122
2507
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
2123 <tag-name id="fs_realpathsync"><literal>realpathSync(<value>path</value>[,
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
2124 <value>options</value>])</literal></tag-name>
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
2125 <tag-desc>
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
2126 Synchronously computes the canonical pathname by resolving
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
2127 <literal>.</literal>, <literal>..</literal> and symbolic links using
2508
d3d5b67a1462 Language fixes in njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2507
diff changeset
2128 <link url="http://man7.org/linux/man-pages/man3/realpath.3.html">realpath(3)</link>.
2507
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
2129 The <literal>options</literal> argument can be a string specifying an encoding,
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
2130 or an object with an encoding property specifying the character encoding
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
2131 to use for the path passed to the callback
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
2132 (<link doc="changes.xml" id="njs0.3.9">0.3.9</link>).
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
2133 </tag-desc>
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
2134
2509
827a6d7fe108 Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2508
diff changeset
2135 <tag-name id="fs_renamesync"><literal>renameSync(<value>oldPath</value>,
827a6d7fe108 Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2508
diff changeset
2136 <value>newPath</value>)</literal></tag-name>
827a6d7fe108 Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2508
diff changeset
2137 <tag-desc>
827a6d7fe108 Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2508
diff changeset
2138 Synchronously changes the name or location of a file from
827a6d7fe108 Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2508
diff changeset
2139 <literal>oldPath</literal> to <literal>newPath</literal>
827a6d7fe108 Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2508
diff changeset
2140 (<link doc="changes.xml" id="njs0.3.4">0.3.4</link>).
827a6d7fe108 Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2508
diff changeset
2141 <example>
827a6d7fe108 Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2508
diff changeset
2142 >> var fs = require('fs')
827a6d7fe108 Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2508
diff changeset
2143 undefined
827a6d7fe108 Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2508
diff changeset
2144 >> var file = fs.renameSync('hello.txt', 'HelloWorld.txt')
827a6d7fe108 Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2508
diff changeset
2145 undefined
827a6d7fe108 Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2508
diff changeset
2146 </example>
827a6d7fe108 Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2508
diff changeset
2147 </tag-desc>
827a6d7fe108 Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2508
diff changeset
2148
2563
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2149 <tag-name id="fs_rmdirsync"><literal>rmdirSync(<value>path</value>)</literal></tag-name>
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2150 <tag-desc>
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2151 Synchronously removes a directory at the specified <literal>path</literal>
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2152 (<link doc="changes.xml" id="njs0.4.2">0.4.2</link>).
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2153 </tag-desc>
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2154
2509
827a6d7fe108 Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2508
diff changeset
2155 <tag-name id="fs_symlinksync"><literal>symlinkSync(<value>target</value>,
827a6d7fe108 Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2508
diff changeset
2156 <value>path</value>)</literal></tag-name>
827a6d7fe108 Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2508
diff changeset
2157 <tag-desc>
827a6d7fe108 Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2508
diff changeset
2158 Synchronously creates the link called <literal>path</literal>
827a6d7fe108 Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2508
diff changeset
2159 pointing to <literal>target</literal> using
827a6d7fe108 Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2508
diff changeset
2160 <link url="http://man7.org/linux/man-pages/man2/symlink.2.html">symlink(2)</link>
827a6d7fe108 Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2508
diff changeset
2161 (<link doc="changes.xml" id="njs0.3.9">0.3.9</link>).
827a6d7fe108 Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2508
diff changeset
2162 Relative targets are relative to the link’s parent directory.
827a6d7fe108 Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2508
diff changeset
2163 </tag-desc>
827a6d7fe108 Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2508
diff changeset
2164
827a6d7fe108 Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2508
diff changeset
2165 <tag-name id="fs_unlinksync"><literal>unlinkSync(<value>path</value>)</literal></tag-name>
827a6d7fe108 Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2508
diff changeset
2166 <tag-desc>
827a6d7fe108 Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2508
diff changeset
2167 Synchronously unlinks a file by <literal>path</literal>
827a6d7fe108 Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2508
diff changeset
2168 (<link doc="changes.xml" id="njs0.3.9">0.3.9</link>).
827a6d7fe108 Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2508
diff changeset
2169 </tag-desc>
827a6d7fe108 Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2508
diff changeset
2170
2570
44792f1ee284 Added IDs to methods in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2569
diff changeset
2171 <tag-name id="fs_writefilesync"><literal>writeFileSync(<value>filename</value>,
2204
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2172 <value>data</value>[,
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2173 <value>options</value>])</literal></tag-name>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2174 <tag-desc>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2175 Synchronously writes <literal>data</literal> to a file
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2176 with provided <literal>filename</literal>.
2604
a29676472a11 Added Buffer object info to some njs methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2601
diff changeset
2177 The <literal>data</literal> is expected to be a string
a29676472a11 Added Buffer object info to some njs methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2601
diff changeset
2178 or a Buffer object (<link doc="changes.xml" id="njs0.4.4">0.4.4</link>).
2204
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2179 If the file does not exist, it will be created,
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2180 if the file exists, it will be replaced.
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2181 The <literal>options</literal> parameter is expected to be
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2182 an object with the following keys:
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2183 <list type="tag">
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2184 <tag-name><literal>mode</literal></tag-name>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2185 <tag-desc>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2186 mode option, by default is <literal>0o666</literal>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2187 </tag-desc>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2188
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2189 <tag-name><literal>flag</literal></tag-name>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2190 <tag-desc>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2191 file system <link id="njs_api_fs_flags">flag</link>,
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2192 by default is <literal>w</literal>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2193 </tag-desc>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2194
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2195 </list>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2196 <example>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2197 >> var fs = require('fs')
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2198 undefined
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2199 >> var file = fs.writeFileSync('hello.txt', 'Hello world')
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2200 undefined
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2201 </example>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2202 </tag-desc>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2203
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2204 </list>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2205 </para>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2206
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2207
2563
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2208 <section id="fs_dirent" name="fs.Dirent">
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2209
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2210 <para>
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2211 <literal>fs.Dirent</literal> is a representation of a directory entry&mdash;
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2212 a file or a subdirectory.
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2213 When
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2214 <link id="fs_readdirsync"><literal>readdirSync()</literal></link>
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2215 is called with the
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2216 <link id="fs_readdirsync_withfiletypes"><literal>withFileTypes</literal></link>
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2217 option,
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2218 the resulting array contains <literal>fs.Dirent</literal> objects.
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2219
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2220 <list type= "bullet" compact="no">
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2221
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2222 <listitem>
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2223 <literal>dirent.isBlockDevice()</literal>&mdash;returns
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2224 <literal>true</literal> if the <literal>fs.Dirent</literal> object describes
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2225 a block device.
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2226 </listitem>
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2227
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2228 <listitem>
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2229 <literal>dirent.isCharacterDevice()</literal>&mdash;returns
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2230 <literal>true</literal> if the <literal>fs.Dirent</literal> object describes
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2231 a character device.
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2232 </listitem>
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2233
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2234 <listitem>
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2235 <literal>dirent.isDirectory()</literal>&mdash;returns
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2236 <literal>true</literal> if the <literal>fs.Dirent</literal> object describes
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2237 a file system directory.
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2238 </listitem>
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2239
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2240 <listitem>
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2241 <literal>dirent.isFIFO()</literal>&mdash;returns
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2242 <literal>true</literal> if the <literal>fs.Dirent</literal> object describes
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2243 a first-in-first-out (FIFO) pipe.
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2244 </listitem>
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2245
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2246 <listitem>
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2247 <literal>dirent.isFile()</literal>&mdash;returns
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2248 <literal>true</literal> if the <literal>fs.Dirent</literal> object describes
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2249 a regular file.
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2250 </listitem>
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2251
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2252 <listitem>
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2253 <literal>dirent.isSocket()</literal>&mdash;returns
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2254 <literal>true</literal> if the <literal>fs.Dirent</literal> object describes
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2255 a socket.
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2256 </listitem>
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2257
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2258 <listitem>
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2259 <literal>dirent.isSymbolicLink()</literal>&mdash;returns
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2260 <literal>true</literal> if the <literal>fs.Dirent</literal> object describes
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2261 a symbolic link.
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2262 </listitem>
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2263
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2264 <listitem>
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2265 <literal>dirent.name</literal>&mdash;
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2266 the name of the file <literal>fs.Dirent</literal> object refers to.
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2267 </listitem>
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2268
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2269 </list>
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2270 </para>
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2271
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2272 </section>
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2273
428a8cf1911b Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2546
diff changeset
2274
2507
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
2275 <section id="access_const" name="File Access Constants">
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
2276
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
2277 <para>
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
2278 The <link id="fs_accesssync"><literal>access()</literal></link> method
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
2279 can accept the following flags.
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
2280 These flags are exported by <literal>fs.constants</literal>:
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
2281
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
2282 <list type= "bullet" compact="no">
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
2283
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
2284 <listitem>
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
2285 <literal>F_OK</literal>&mdash;indicates that the file
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
2286 is visible to the calling process,
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
2287 used by default if no mode is specified
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
2288 </listitem>
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
2289
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
2290 <listitem>
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
2291 <literal>R_OK</literal>&mdash;indicates that the file can be
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
2292 read by the calling process
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
2293 </listitem>
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
2294
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
2295 <listitem>
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
2296 <literal>W_OK</literal>&mdash;indicates that the file can be
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
2297 written by the calling process
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
2298 </listitem>
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
2299
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
2300 <listitem>
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
2301 <literal>X_OK</literal>&mdash;indicates that the file can be
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
2302 executed by the calling process
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
2303 </listitem>
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
2304
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
2305 </list>
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
2306 </para>
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
2307
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
2308 </section>
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
2309
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
2310
2204
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2311 <section id="njs_api_fs_flags" name="File System Flags">
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2312
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2313 <para>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2314 The <literal>flag</literal> option can accept the following values:
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2315
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2316 <list type= "bullet" compact="no">
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2317
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2318 <listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2319 <literal>a</literal>&mdash;open a file for appending.
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2320 The file is created if it does not exist
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2321 </listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2322
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2323 <listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2324 <literal>ax</literal>&mdash;the same as <literal>a</literal>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2325 but fails if the file already exists
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2326 </listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2327
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2328 <listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2329 <literal>a+</literal>&mdash;open a file for reading and appending.
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2330 If the file does not exist, it will be created
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2331 </listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2332
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2333 <listitem>
2579
63cef7604e0d Minor review of njs Reference for typos and style.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2578
diff changeset
2334 <literal>ax+</literal>&mdash;the same as <literal>a+</literal>
2204
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2335 but fails if the file already exists
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2336 </listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2337
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2338 <listitem>
2579
63cef7604e0d Minor review of njs Reference for typos and style.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2578
diff changeset
2339 <literal>as</literal>&mdash;open a file for appending
63cef7604e0d Minor review of njs Reference for typos and style.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2578
diff changeset
2340 in synchronous mode.
2204
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2341 If the file does not exist, it will be created
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2342 </listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2343
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2344 <listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2345 <literal>as+</literal>&mdash;open a file for reading and appending
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2346 in synchronous mode.
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2347 If the file does not exist, it will be created
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2348 </listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2349
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2350 <listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2351 <literal>r</literal>&mdash;open a file for reading.
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2352 An exception occurs if the file does not exist
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2353 </listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2354
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2355 <listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2356 <literal>r+</literal>&mdash;open a file for reading and writing.
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2357 An exception occurs if the file does not exist
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2358 </listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2359
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2360 <listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2361 <literal>rs+</literal>&mdash;open a file for reading and writing
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2362 in synchronous mode.
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2363 Instructs the operating system to bypass the local file system cache
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2364 </listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2365
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2366 <listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2367 <literal>w</literal>&mdash;open a file for writing.
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2368 If the file does not exist, it will be created.
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2369 If the file exists, it will be replaced
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2370 </listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2371
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2372 <listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2373 <literal>wx</literal>&mdash;the same as <literal>w</literal>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2374 but fails if the file already exists
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2375 </listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2376
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2377 <listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2378 <literal>w+</literal>&mdash;open a file for reading and writing.
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2379 If the file does not exist, it will be created.
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2380 If the file exists, it will be replaced
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2381 </listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2382
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2383 <listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2384 <literal>wx+</literal>&mdash;the same as <literal>w+</literal>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2385 but fails if the file already exists
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2386 </listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2387
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2388 </list>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2389 </para>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2390
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2391 </section>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2392
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2393 </section>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
2394
2583
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2395
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2396 <section id="querystring" name="Query String">
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2397
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2398 <para>
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2399 The Query String module provides support
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2400 for parsing and formatting URL query strings
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2401 (<link doc="changes.xml" id="njs0.4.3">0.4.3</link>).
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2402 The Query String module object is returned by
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2403 <literal>require('querystring')</literal>.
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2404 </para>
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2405
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2406 <para>
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2407 <list type="tag">
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2408
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2409 <tag-name id="querystring_decode"><literal>querystring.decode()</literal></tag-name>
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2410 <tag-desc>
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2411 is an alias for
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2412 <link id="querystring_parse"><literal>querystring.parse()</literal></link>.
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2413 </tag-desc>
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2414
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2415 <tag-name id="querystring_encode"><literal>querystring.encode()</literal></tag-name>
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2416 <tag-desc>
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2417 is an alias for
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2418 <link id="querystring_stringify"><literal>querystring.stringify()</literal></link>.
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2419 </tag-desc>
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2420
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2421 <tag-name id="querystring_escape"><literal>querystring.escape(<value>string</value>)</literal></tag-name>
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2422 <tag-desc>
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2423 <para>
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2424 Performs URL encoding of the given <literal>string</literal>,
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2425 returns an escaped query string.
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2426 The method is used by
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2427 <link id="querystring_stringify"><literal>querystring.stringify()</literal></link>
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2428 and should not be used directly.
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2429 </para>
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2430 </tag-desc>
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2431
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2432 <tag-name id="querystring_parse"><literal>querystring.parse(<value>string</value>[,
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2433 <value>separator</value>[,
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2434 <value>equal</value>[,
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2435 <value>options</value>]]])</literal></tag-name>
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2436 <tag-desc>
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2437 <para>
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2438 Parses the query string URL and returns an object.
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2439 </para>
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2440
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2441 <para>
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2442 The <literal>separator</literal> parameter is a substring
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2443 for delimiting key and value pairs in the query string,
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2444 by default is “<literal>&amp;</literal>”.
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2445 </para>
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2446
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2447 <para>
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2448 The <literal>equal</literal> parameter is a substring
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2449 for delimiting keys and values in the query string,
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2450 by default is “<literal>=</literal>”.
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2451 </para>
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2452
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2453 <para>
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2454 The <literal>options</literal> parameter is expected to be
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2455 an object with the following keys:
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2456 <list type="tag">
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2457 <tag-name><literal>decodeURIComponent</literal>
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2458 <value>function</value></tag-name>
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2459 <tag-desc>
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2460 Function used
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2461 to decode percent-encoded characters in the query string,
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2462 by default is
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2463 <link id="querystring_unescape"><literal>querystring.unescape()</literal></link>
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2464 </tag-desc>
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2465
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2466 <tag-name><literal>maxKeys</literal>
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2467 <value>number</value></tag-name>
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2468 <tag-desc>
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2469 the maximum number of keys to parse,
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2470 by default is <literal>1000</literal>.
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2471 The <literal>0</literal> value removes limitations for counting keys.
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2472 </tag-desc>
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2473
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2474 </list>
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2475 By default, percent-encoded characters within the query string are assumed
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2476 to use the UTF-8 encoding,
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2477 invalid UTF-8 sequences will be replaced with
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2478 the <literal>U+FFFD</literal> replacement character.
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2479 </para>
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2480
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2481 <para>
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2482 For example, for the following query string
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2483 <example>
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2484 'foo=bar&amp;abc=xyz&amp;abc=123'
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2485 </example>
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2486 the output will be:
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2487 <example>
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2488 {
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2489 foo: 'bar',
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2490 abc: ['xyz', '123']
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2491 }
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2492 </example>
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2493 </para>
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2494
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2495 </tag-desc>
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2496
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2497 <tag-name id="querystring_stringify"><literal>querystring.stringify(<value>object</value>[,
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2498 <value>separator</value>[,
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2499 <value>equal</value>[,
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2500 <value>options</value>]]])</literal></tag-name>
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2501 <tag-desc>
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2502 <para>
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2503 Serializes an object and returns a URL query string.
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2504 </para>
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2505
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2506 <para>
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2507 The <literal>separator</literal> parameter is a substring
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2508 for delimiting key and value pairs in the query string,
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2509 by default is “<literal>&amp;</literal>”.
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2510 </para>
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2511
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2512 <para>
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2513 The <literal>equal</literal> parameter is a substring
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2514 for delimiting keys and values in the query string,
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2515 by default is “<literal>=</literal>”.
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2516 </para>
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2517
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2518 <para>
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2519 The <literal>options</literal> parameter is expected to be
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2520 an object with the following keys:
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2521 <list type="tag">
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2522 <tag-name><literal>encodeURIComponent</literal>
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2523 <value>function</value></tag-name>
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2524 <tag-desc>
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2525 The function to use when converting
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2526 URL-unsafe characters to percent-encoding in the query string,
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2527 by default is
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2528 <link id="querystring_escape"><literal>querystring.escape()</literal></link>.
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2529 </tag-desc>
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2530
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2531 </list>
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2532 </para>
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2533
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2534 <para>
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2535 By default, characters that require percent-encoding within the query string
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2536 are encoded as UTF-8.
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2537 If other encoding is required, then
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2538 <literal>encodeURIComponent</literal> option should be specified.
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2539 </para>
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2540
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2541 <para>
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2542 For example, for the following command
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2543 <example>
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2544 querystring.stringify({ foo: 'bar', baz: ['qux', 'quux'], 123: '' });
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2545 </example>
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2546 the query string will be:
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2547 <example>
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2548 'foo=bar&amp;baz=qux&amp;baz=quux&amp;123='
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2549 </example>
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2550 </para>
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2551
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2552 </tag-desc>
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2553
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2554 <tag-name id="querystring_unescape"><literal>querystring.unescape(<value>string</value>)</literal></tag-name>
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2555 <tag-desc>
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2556 <para>
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2557 Performs decoding of URL percent-encoded characters
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2558 of the <literal>string</literal>,
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2559 returns an unescaped query string.
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2560 The method is used by
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2561 <link id="querystring_parse"><literal>querystring.parse()</literal></link>
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2562 and should not be used directly.
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2563 </para>
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2564 </tag-desc>
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2565
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2566 </list>
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2567 </para>
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2568
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2569 </section>
cd97adddd757 Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2582
diff changeset
2570
2176
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
2571 </section>
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
2572
2175
cd4889fdcfa4 Moved njs HTTP and Stream API to a separate page.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff changeset
2573 </article>