Mercurial > hg > nginx-site
annotate xml/en/docs/njs/reference.xml @ 2699:8b96520ca495
Linux packages: clarified supported SLES versions
author | Konstantin Pavlov <thresh@nginx.com> |
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date | Tue, 30 Mar 2021 19:37:13 +0300 |
parents | 3cbd6e440581 |
children | f82f16e327f2 |
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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="73"> |
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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 |
2353 | 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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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 |
2331 | 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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140 only the last element of the array will take effect. |
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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. |
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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. |
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154 Duplicate field values in all other response headers |
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155 are separated by commas. |
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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> |
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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 |
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167 <link doc="../dev/development_guide.xml" id="http_request_redirection">internal |
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168 redirect</link> |
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169 to the specified <literal>uri</literal>. |
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170 If the uri starts with the “<literal>@</literal>” prefix, |
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171 it is considered a named location. |
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172 Redirected requests become internal and can access the |
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173 <link doc="../http/ngx_http_core_module.xml" id="internal">internal</link> |
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174 locations. |
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175 The actual redirect happens after the handler execution is completed. |
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176 <para> |
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177 <note> |
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178 After redirect, |
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179 a new njs VM is started in the target location, |
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180 the VM in the original location is stopped. |
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181 Values of nginx variables are kept |
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182 and can be used to pass information to the target location. |
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183 </note> |
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184 </para> |
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185 |
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186 </tag-desc> |
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187 |
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188 <tag-name id="r_log"><literal>r.log(<value>string</value>)</literal></tag-name> |
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189 <tag-desc> |
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190 writes a <literal>string</literal> to the error log |
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191 on the <literal>info</literal> level of logging |
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192 </tag-desc> |
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193 |
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194 <tag-name id="r_method"><literal>r.method</literal></tag-name> |
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195 <tag-desc> |
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196 HTTP method, read-only |
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197 </tag-desc> |
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198 |
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199 <tag-name id="r_parent"><literal>r.parent</literal></tag-name> |
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200 <tag-desc> |
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201 references the parent request object |
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202 </tag-desc> |
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203 |
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204 <tag-name id="r_remote_address"><literal>r.remoteAddress</literal></tag-name> |
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205 <tag-desc> |
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206 client address, read-only |
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207 </tag-desc> |
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208 |
2628 | 209 <tag-name id="r_request_body"><literal>r.requestBody</literal></tag-name> |
210 <tag-desc> | |
211 the property is deprecated since | |
212 <link doc="changes.xml" id="njs0.5.0">0.5.0</link>, | |
213 the <link id="r_request_buffer"><literal>r.requestBuffer</literal></link> or | |
214 <link id="r_request_text"><literal>r.requestText</literal></link> property | |
215 should be used instead. | |
216 </tag-desc> | |
217 | |
218 <tag-name id="r_request_buffer"><literal>r.requestBuffer</literal></tag-name> | |
219 <tag-desc> | |
220 client request body if it has not been written to a temporary file | |
221 (since <link doc="changes.xml" id="njs0.5.0">0.5.0</link>). | |
222 To ensure that the client request body is in memory, | |
223 its size should be limited by | |
224 <link doc="../http/ngx_http_core_module.xml" id="client_max_body_size"/>, | |
225 and a sufficient buffer size should be set using | |
226 <link doc="../http/ngx_http_core_module.xml" id="client_body_buffer_size"/>. | |
227 The property is available only in the | |
228 <link doc="../http/ngx_http_js_module.xml" id="js_content"/> directive. | |
229 </tag-desc> | |
230 | |
231 <tag-name id="r_request_text"><literal>r.requestText</literal></tag-name> | |
232 <tag-desc> | |
233 the same as <link id="r_request_buffer"><literal>r.requestBuffer</literal></link>, | |
234 but returns a <literal>string</literal>. | |
235 Note that | |
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236 it may convert bytes invalid in UTF-8 encoding into the replacement character. |
2628 | 237 </tag-desc> |
238 | |
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239 <tag-name id="r_raw_headers_in"><literal>r.rawHeadersIn{}</literal></tag-name> |
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240 <tag-desc> |
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241 returns an array of key-value pairs |
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242 exactly as they were received from the client |
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243 (<link doc="changes.xml" id="njs0.4.1">0.4.1</link>). |
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244 <para> |
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245 For example, with the following request headers: |
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246 <example> |
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247 Host: localhost |
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248 Foo: bar |
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249 foo: bar2 |
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250 </example> |
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251 the output of <literal>r.rawHeadersIn</literal> will be: |
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252 <example> |
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253 [ |
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254 ['Host', 'localhost'], |
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255 ['Foo', 'bar'], |
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256 ['foo', 'bar2'] |
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257 ] |
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258 </example> |
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259 All <literal>foo</literal> headers |
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260 can be collected with the syntax: |
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261 <example> |
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262 r.rawHeadersIn.filter(v=>v[0].toLowerCase() == 'foo').map(v=>v[1]) |
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263 </example> |
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264 the output will be: |
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265 <example> |
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266 ['bar', 'bar2'] |
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267 </example> |
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268 Header field names are not converted to lower case, |
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269 duplicate field values are not merged. |
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270 </para> |
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271 </tag-desc> |
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272 |
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273 <tag-name id="r_raw_headers_out"><literal>r.rawHeadersOut{}</literal></tag-name> |
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274 <tag-desc> |
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275 returns an array of key-value pairs of response headers |
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276 (<link doc="changes.xml" id="njs0.4.1">0.4.1</link>). |
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277 Header field names are not converted to lower case, |
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278 duplicate field values are not merged. |
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279 </tag-desc> |
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280 |
2628 | 281 <tag-name id="r_response_body"><literal>r.responseBody</literal></tag-name> |
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282 <tag-desc> |
2628 | 283 the property is deprecated since |
284 <link doc="changes.xml" id="njs0.5.0">0.5.0</link>, | |
285 the <link id="r_response_buffer"><literal>r.responseBuffer</literal></link> | |
286 or | |
287 the <link id="r_response_text"><literal>r.responseText</literal></link> | |
288 property | |
289 should be used instead. | |
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290 </tag-desc> |
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291 |
2628 | 292 <tag-name id="r_response_buffer"><literal>r.responseBuffer</literal></tag-name> |
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293 <tag-desc> |
2628 | 294 holds the <link id="r_subrequest">subrequest</link> response body, |
295 read-only | |
296 (since <link doc="changes.xml" id="njs0.5.0">0.5.0</link>). | |
297 The size of <literal>r.responseBuffer</literal> is limited by the | |
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298 <link doc="../http/ngx_http_core_module.xml" id="subrequest_output_buffer_size"/> |
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299 directive. |
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300 </tag-desc> |
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301 |
2628 | 302 <tag-name id="r_response_text"><literal>r.responseText</literal></tag-name> |
303 <tag-desc> | |
304 the same as <link id="r_response_buffer"><literal>r.responseBuffer</literal></link> | |
305 but returns a string | |
306 (since <link doc="changes.xml" id="njs0.5.0">0.5.0</link>). | |
307 Note that | |
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308 it may convert bytes invalid in UTF-8 encoding into the replacement character. |
2628 | 309 </tag-desc> |
310 | |
311 <tag-name id="r_return"><literal>r.return(status[, | |
312 string | Buffer])</literal></tag-name> | |
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313 <tag-desc> |
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314 sends the entire response |
2628 | 315 with the specified <literal>status</literal> to the client. |
316 The response can be a string or Buffer | |
317 (<link doc="changes.xml" id="njs0.5.0">0.5.0</link>). | |
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318 <para> |
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319 It is possible to specify either a redirect URL |
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320 (for codes 301, 302, 303, 307, and 308) |
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321 or the response body text (for other codes) as the second argument |
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322 </para> |
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323 </tag-desc> |
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324 |
2628 | 325 <tag-name id="r_send"><literal>r.send(string |
326 | Buffer)</literal></tag-name> | |
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327 <tag-desc> |
2628 | 328 sends a part of the response body to the client. |
329 The data sent can be a string or Buffer | |
330 (<link doc="changes.xml" id="njs0.5.0">0.5.0</link>) | |
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331 </tag-desc> |
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332 |
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333 <tag-name id="r_sendbuffer"><literal>r.sendBuffer(<value>data</value>[, |
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334 <value>options</value>])</literal></tag-name> |
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335 <tag-desc> |
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336 adds data to the chain of data chunks to be forwarded to the next body filter |
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337 (<link doc="changes.xml" id="njs0.5.2">0.5.2</link>). |
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338 The actual forwarding happens later, |
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339 when the all the data chunks of the current chain are processed. |
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340 <para> |
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341 The data can be a string or Buffer. |
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342 The <literal>options</literal> is an object used |
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343 to override nginx buffer flags derived from an incoming data chunk buffer. |
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344 The flags can be overridden with the following flags: |
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345 <list type="tag"> |
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346 |
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347 <tag-name><literal>last</literal></tag-name> |
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348 <tag-desc> |
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349 boolean, |
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350 true if the buffer is the last buffer |
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351 </tag-desc> |
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352 |
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353 <tag-name><literal>flush</literal></tag-name> |
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354 <tag-desc> |
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355 boolean, |
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356 true if the buffer should have the <literal>flush</literal> flag |
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357 </tag-desc> |
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358 </list> |
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359 </para> |
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360 The method may be called only from the |
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361 <link doc="../http/ngx_http_js_module.xml" id="js_body_filter"/> function. |
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362 </tag-desc> |
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363 |
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364 <tag-name id="r_send_header"><literal>r.sendHeader()</literal></tag-name> |
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365 <tag-desc> |
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366 sends the HTTP headers to the client |
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367 </tag-desc> |
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368 |
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369 <tag-name id="r_status"><literal>r.status</literal></tag-name> |
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370 <tag-desc> |
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371 status, writable |
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372 </tag-desc> |
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373 |
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374 <tag-name id="r_subrequest"><literal>r.subrequest(<value>uri</value>[, |
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375 <value>options</value>[, <value>callback</value>]])</literal></tag-name> |
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376 <tag-desc> |
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377 creates a subrequest with the given <literal>uri</literal> and |
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378 <literal>options</literal>, and installs |
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379 an optional completion <literal>callback</literal>. |
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380 |
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381 <para> |
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382 A |
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383 <link doc="../dev/development_guide.xml.xml" id="http_subrequests">subrequest</link> |
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384 shares its input headers with the client request. |
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385 To send headers different from original headers to a proxied server, the |
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386 <link doc="../http/ngx_http_proxy_module.xml" id="proxy_set_header"/> |
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387 directive can be used. |
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388 To send a completely new set of headers to a proxied server, the |
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389 <link doc="../http/ngx_http_proxy_module.xml" id="proxy_pass_request_headers"/> |
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390 directive can be used. |
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391 </para> |
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392 |
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393 <para> |
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394 If <literal>options</literal> is a string, then it |
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395 holds the subrequest arguments string. |
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396 Otherwise, <literal>options</literal> is expected to be |
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397 an object with the following keys: |
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398 <list type="tag"> |
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399 <tag-name><literal>args</literal></tag-name> |
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400 <tag-desc> |
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401 arguments string, by default an empty string is used |
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402 </tag-desc> |
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403 <tag-name><literal>body</literal></tag-name> |
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404 <tag-desc> |
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405 request body, |
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406 by default the request body of the parent request object is used |
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407 </tag-desc> |
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408 |
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409 <tag-name><literal>method</literal></tag-name> |
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410 <tag-desc> |
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411 HTTP method, by default the <literal>GET</literal> method is used |
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412 </tag-desc> |
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413 |
2507 | 414 <tag-name><literal>detached</literal></tag-name> |
415 <tag-desc> | |
416 boolean flag (<link doc="changes.xml" id="njs0.3.9">0.3.9</link>), | |
417 if <literal>true</literal>, the created subrequest is a detached subrequest. | |
418 Responses to detached subrequests are ignored. | |
419 Unlike ordinary subrequests, a detached subrequest | |
420 can be created inside a variable handler. | |
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421 The <literal>detached</literal> flag and callback argument |
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422 are mutually exclusive. |
2507 | 423 </tag-desc> |
424 | |
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425 </list> |
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426 </para> |
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427 |
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428 <para> |
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429 The completion <literal>callback</literal> receives |
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430 a subrequest response object with methods and properties |
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431 identical to the parent request object. |
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432 </para> |
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433 |
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434 <para> |
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435 Since <link doc="changes.xml" id="njs0.3.8">0.3.8</link>, |
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436 if a <literal>callback</literal> is not provided, |
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437 the <literal>Promise</literal> object |
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438 that resolves to the subrequest response object is returned. |
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439 </para> |
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440 </tag-desc> |
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441 |
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442 <tag-name id="r_uri"><literal>r.uri</literal></tag-name> |
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443 <tag-desc> |
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444 current <link doc="../http/ngx_http_core_module.xml" id="var_uri">URI</link> |
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445 in request, |
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446 <link doc="../http/ngx_http_core_module.xml" id="location">normalized</link>, |
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447 read-only |
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448 </tag-desc> |
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449 |
2628 | 450 <tag-name id="r_raw_variables"><literal>r.rawVariables{}</literal></tag-name> |
451 <tag-desc> | |
452 nginx <link id="r_variables">variables</link> as Buffers, | |
453 writable | |
454 (since <link doc="changes.xml" id="njs0.5.0">0.5.0</link>) | |
455 </tag-desc> | |
456 | |
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457 <tag-name id="r_variables"><literal>r.variables{}</literal></tag-name> |
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458 <tag-desc> |
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459 nginx variables object, writable |
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460 (since <link doc="changes.xml" id="njs0.2.8">0.2.8</link>). |
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461 |
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462 <para> |
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463 A variable is writable if: |
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464 <list type="bullet"> |
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465 |
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466 <listitem> |
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467 it was created using the <literal>js_var</literal> directive for |
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468 <link doc="../http/ngx_http_js_module.xml" id="js_var">http</link> or |
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469 <link doc="../stream/ngx_stream_js_module.xml" id="js_var">stream</link> |
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470 (since <link doc="changes.xml" id="njs0.5.3">0.5.3</link>) |
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471 </listitem> |
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472 |
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473 <listitem> |
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474 it is referenced in nginx configuration file |
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475 </listitem> |
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476 |
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477 </list> |
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478 Even so, some embedded variables still cannot be assigned a value (for example, |
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479 <link doc="../http/ngx_http_core_module.xml" id="var_http_"><literal>$http_</literal></link>). |
2693
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480 </para> |
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481 </tag-desc> |
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482 |
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483 <tag-name id="r_warn"><literal>r.warn(<value>string</value>)</literal></tag-name> |
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484 <tag-desc> |
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485 writes a <literal>string</literal> to the error log |
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486 on the <literal>warning</literal> level of logging |
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487 </tag-desc> |
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|
488 |
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489 </list> |
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490 </para> |
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491 |
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492 </section> |
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493 |
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494 |
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495 <section id="stream" name="Stream Session"> |
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496 |
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497 <para> |
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498 The stream session object is available only in the |
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499 <link doc="../stream/ngx_stream_js_module.xml">ngx_stream_js_module</link> |
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500 module. |
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501 All string properties of the object are <link id="string">byte strings</link>. |
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502 </para> |
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503 |
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504 <para> |
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505 <list type="tag"> |
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506 |
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507 <tag-name id="s_allow"><literal>s.allow()</literal></tag-name> |
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508 <tag-desc> |
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509 an alias to |
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510 <link id="s_done"><literal>s.done(0)</literal></link> |
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511 (<link doc="changes.xml" id="njs0.2.4">0.2.4</link>) |
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512 </tag-desc> |
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|
513 |
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514 <tag-name id="s_decline"><literal>s.decline()</literal></tag-name> |
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Created "nginx objects" section in reference.xml.
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|
515 <tag-desc> |
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516 an alias to |
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517 <link id="s_done"><literal>s.done(-5)</literal></link> |
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Updated links to changes.xml in njs Reference.
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518 (<link doc="changes.xml" id="njs0.2.4">0.2.4</link>) |
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519 </tag-desc> |
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|
520 |
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parents:
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|
521 <tag-name id="s_deny"><literal>s.deny()</literal></tag-name> |
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Created "nginx objects" section in reference.xml.
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|
522 <tag-desc> |
2670
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|
523 an alias to |
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524 <link id="s_done"><literal>s.done(403)</literal></link> |
2337
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Updated links to changes.xml in njs Reference.
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525 (<link doc="changes.xml" id="njs0.2.4">0.2.4</link>) |
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526 </tag-desc> |
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|
527 |
2670
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528 <tag-name id="s_done"><literal>s.done([<value>code</value>]</literal>)</tag-name> |
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|
529 <tag-desc> |
2670
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diff
changeset
|
530 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>
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|
531 <link doc="../stream/stream_processing.xml">phase</link> handler |
e53592a1d979
Improved descriptions of s.done, s.allow, s.decline, s.deny.
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diff
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|
532 to a code value, by default <literal>0</literal>. |
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Improved descriptions of s.done, s.allow, s.decline, s.deny.
Yaroslav Zhuravlev <yar@nginx.com>
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533 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>
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diff
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|
534 and all pending events, for example, from |
2679
8f3e9ff2785f
Corrected syntax of njs.on() and ngx.fetch() in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
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535 <link id="ngx_fetch"><literal>ngx.fetch()</literal></link> or |
2670
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Improved descriptions of s.done, s.allow, s.decline, s.deny.
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|
536 <link id="settimeout"><literal>setTimeout()</literal></link>, |
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Improved descriptions of s.done, s.allow, s.decline, s.deny.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
changeset
|
537 are processed |
2337
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Updated links to changes.xml in njs Reference.
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|
538 (<link doc="changes.xml" id="njs0.2.4">0.2.4</link>). |
2670
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Improved descriptions of s.done, s.allow, s.decline, s.deny.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
changeset
|
539 <para> |
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Improved descriptions of s.done, s.allow, s.decline, s.deny.
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|
540 Possible code values: |
e53592a1d979
Improved descriptions of s.done, s.allow, s.decline, s.deny.
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|
541 <list type="bullet"> |
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Improved descriptions of s.done, s.allow, s.decline, s.deny.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
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|
542 |
e53592a1d979
Improved descriptions of s.done, s.allow, s.decline, s.deny.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
changeset
|
543 <listitem> |
e53592a1d979
Improved descriptions of s.done, s.allow, s.decline, s.deny.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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|
544 <literal>0</literal>— |
e53592a1d979
Improved descriptions of s.done, s.allow, s.decline, s.deny.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
545 successful finalization, passing control to the next phase |
e53592a1d979
Improved descriptions of s.done, s.allow, s.decline, s.deny.
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parents:
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diff
changeset
|
546 </listitem> |
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parents:
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diff
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|
547 |
e53592a1d979
Improved descriptions of s.done, s.allow, s.decline, s.deny.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
548 <listitem> |
e53592a1d979
Improved descriptions of s.done, s.allow, s.decline, s.deny.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
changeset
|
549 <literal>-5</literal>— |
e53592a1d979
Improved descriptions of s.done, s.allow, s.decline, s.deny.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2668
diff
changeset
|
550 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:
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diff
changeset
|
551 </listitem> |
e53592a1d979
Improved descriptions of s.done, s.allow, s.decline, s.deny.
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diff
changeset
|
552 |
e53592a1d979
Improved descriptions of s.done, s.allow, s.decline, s.deny.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
553 <listitem> |
e53592a1d979
Improved descriptions of s.done, s.allow, s.decline, s.deny.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
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|
554 <literal>403</literal>— |
e53592a1d979
Improved descriptions of s.done, s.allow, s.decline, s.deny.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
555 access is forbidden |
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Improved descriptions of s.done, s.allow, s.decline, s.deny.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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changeset
|
556 </listitem> |
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Improved descriptions of s.done, s.allow, s.decline, s.deny.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
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|
557 |
e53592a1d979
Improved descriptions of s.done, s.allow, s.decline, s.deny.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2668
diff
changeset
|
558 </list> |
e53592a1d979
Improved descriptions of s.done, s.allow, s.decline, s.deny.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2668
diff
changeset
|
559 </para> |
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Improved descriptions of s.done, s.allow, s.decline, s.deny.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
560 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
|
561 <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
|
562 or |
e53592a1d979
Improved descriptions of s.done, s.allow, s.decline, s.deny.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
563 <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>
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diff
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|
564 </tag-desc> |
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Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2246
diff
changeset
|
565 |
2570
44792f1ee284
Added IDs to methods in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2569
diff
changeset
|
566 <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
|
567 <tag-desc> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
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diff
changeset
|
568 writes a sent <literal>string</literal> to the error log |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
569 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
|
570 </tag-desc> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
571 |
2570
44792f1ee284
Added IDs to methods in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2569
diff
changeset
|
572 <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
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|
573 <tag-desc> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
574 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
|
575 on the <literal>info</literal> level of logging |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
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diff
changeset
|
576 </tag-desc> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
577 |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
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diff
changeset
|
578 <tag-name id="s_off"><literal>s.off(<value>eventName</value>)</literal></tag-name> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
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|
579 <tag-desc> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
580 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
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|
581 (<link doc="changes.xml" id="njs0.2.4">0.2.4</link>) |
2247
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|
582 </tag-desc> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
583 |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
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changeset
|
584 <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:
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|
585 <value>callback</value>)</literal></tag-name> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
586 <tag-desc> |
2579
63cef7604e0d
Minor review of njs Reference for typos and style.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2578
diff
changeset
|
587 registers a <literal>callback</literal> |
63cef7604e0d
Minor review of njs Reference for typos and style.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2578
diff
changeset
|
588 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
|
589 (<link doc="changes.xml" id="njs0.2.4">0.2.4</link>). |
2247
0f16ef9a8dbe
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
2246
diff
changeset
|
590 |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2246
diff
changeset
|
591 <para> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
592 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
|
593 <list type="tag"> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2246
diff
changeset
|
594 <tag-name><literal>upload</literal></tag-name> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2246
diff
changeset
|
595 <tag-desc> |
2628 | 596 new data (string) from a client |
2247
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.
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parents:
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diff
changeset
|
598 |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2246
diff
changeset
|
599 <tag-name><literal>download</literal></tag-name> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2246
diff
changeset
|
600 <tag-desc> |
2628 | 601 new data (string) to a client |
602 </tag-desc> | |
603 | |
604 <tag-name><literal>upstream</literal></tag-name> | |
605 <tag-desc> | |
606 new data (Buffer) from a client | |
607 (since <link doc="changes.xml" id="njs0.5.0">0.5.0</link>) | |
608 </tag-desc> | |
609 | |
610 <tag-name><literal>downstream</literal></tag-name> | |
611 <tag-desc> | |
612 new data (Buffer) to a client | |
613 (since <link doc="changes.xml" id="njs0.5.0">0.5.0</link>) | |
2247
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
2246
diff
changeset
|
614 </tag-desc> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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changeset
|
615 |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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616 </list> |
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|
617 </para> |
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|
618 |
0f16ef9a8dbe
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changeset
|
619 <para> |
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|
620 The completion callback has the following prototype: |
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Created "nginx objects" section in reference.xml.
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|
621 <literal>callback(data, flags)</literal>, where |
2628 | 622 <literal>data</literal> is string or Buffer (depending on the event type) |
2247
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623 <literal>flags</literal> is an object |
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624 with the following properties: |
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Created "nginx objects" section in reference.xml.
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|
625 <list type="tag"> |
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Created "nginx objects" section in reference.xml.
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|
626 <tag-name id="s_on_callback_last"><literal>last</literal></tag-name> |
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Created "nginx objects" section in reference.xml.
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parents:
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|
627 <tag-desc> |
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|
628 a boolean value, true if data is a last buffer. |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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|
629 </tag-desc> |
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|
630 |
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Created "nginx objects" section in reference.xml.
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631 </list> |
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|
632 </para> |
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|
633 </tag-desc> |
0f16ef9a8dbe
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|
634 |
2570
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Added IDs to methods in njs Reference.
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diff
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|
635 <tag-name id="s_remote_address"><literal>s.remoteAddress</literal></tag-name> |
2247
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636 <tag-desc> |
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|
637 client address, read-only |
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Created "nginx objects" section in reference.xml.
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|
638 </tag-desc> |
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|
639 |
2628 | 640 <tag-name id="s_raw_variables"><literal>s.rawVariables</literal></tag-name> |
641 <tag-desc> | |
642 nginx <link id="s_variables">variables</link> as Buffers, | |
643 writable | |
644 (since <link doc="changes.xml" id="njs0.5.0">0.5.0</link>) | |
645 </tag-desc> | |
646 | |
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647 <tag-name id="s_send"><literal>s.send(<value>data</value>[, |
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|
648 <value>options</value>])</literal></tag-name> |
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|
649 <tag-desc> |
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Updated description of s.send in njs Reference.
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diff
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|
650 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>
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diff
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|
651 the forward direction: |
2085eb315672
Updated description of s.send in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
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|
652 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>
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diff
changeset
|
653 (<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>
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|
654 The actual forwarding happens later, |
2085eb315672
Updated description of s.send in njs Reference.
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|
655 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>
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|
656 <para> |
2628 | 657 The data can be a string or Buffer |
658 (<link doc="changes.xml" id="njs0.5.0">0.5.0</link>). | |
2247
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|
659 The <literal>options</literal> is an object used |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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|
660 to override nginx buffer flags derived from an incoming data chunk buffer. |
2579
63cef7604e0d
Minor review of njs Reference for typos and style.
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|
661 The flags can be overridden with the following flags: |
2247
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|
662 <list type="tag"> |
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Created "nginx objects" section in reference.xml.
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|
663 |
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Created "nginx objects" section in reference.xml.
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|
664 <tag-name><literal>last</literal></tag-name> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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|
665 <tag-desc> |
2579
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Minor review of njs Reference for typos and style.
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|
666 boolean, |
63cef7604e0d
Minor review of njs Reference for typos and style.
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parents:
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|
667 true if the buffer is the last buffer |
2247
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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|
668 </tag-desc> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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|
669 |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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|
670 <tag-name><literal>flush</literal></tag-name> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
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|
671 <tag-desc> |
2579
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Minor review of njs Reference for typos and style.
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parents:
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|
672 boolean, |
63cef7604e0d
Minor review of njs Reference for typos and style.
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parents:
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diff
changeset
|
673 true if the buffer should have the <literal>flush</literal> flag |
2247
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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|
674 </tag-desc> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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|
675 </list> |
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Created "nginx objects" section in reference.xml.
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|
676 </para> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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changeset
|
677 The method can be called multiple times per callback invocation. |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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changeset
|
678 </tag-desc> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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changeset
|
679 |
2665
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Documented s.status property in njs Reference.
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|
680 <tag-name id="s_status"><literal>s.status</literal></tag-name> |
529114f1108a
Documented s.status property in njs Reference.
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changeset
|
681 <tag-desc> |
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Documented s.status property in njs Reference.
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diff
changeset
|
682 session status code, an alias to the |
529114f1108a
Documented s.status property in njs Reference.
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changeset
|
683 <link doc="../stream/ngx_stream_core_module.xml" id="var_status"><literal>$status</literal></link> |
529114f1108a
Documented s.status property in njs Reference.
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|
684 variable, |
529114f1108a
Documented s.status property in njs Reference.
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diff
changeset
|
685 read only |
529114f1108a
Documented s.status property in njs Reference.
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diff
changeset
|
686 (since <link doc="changes.xml" id="njs0.5.2">0.5.2</link>) |
529114f1108a
Documented s.status property in njs Reference.
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|
687 </tag-desc> |
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Documented s.status property in njs Reference.
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parents:
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diff
changeset
|
688 |
2338
39ac205f90b7
Documented that r.variables{} and s.variables{} are writable.
Yaroslav Zhuravlev <yar@nginx.com>
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2337
diff
changeset
|
689 <tag-name id="s_variables"><literal>s.variables{}</literal></tag-name> |
2247
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changeset
|
690 <tag-desc> |
2338
39ac205f90b7
Documented that r.variables{} and s.variables{} are writable.
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parents:
2337
diff
changeset
|
691 nginx variables object, writable |
2689
7e271437f12e
Updated writable variables info in r.variables and s.variables.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2688
diff
changeset
|
692 (since <link doc="changes.xml" id="njs0.2.8">0.2.8</link>). |
7e271437f12e
Updated writable variables info in r.variables and s.variables.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
693 A variable can be writable only |
7e271437f12e
Updated writable variables info in r.variables and s.variables.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2688
diff
changeset
|
694 if it is referenced in nginx configuration file. |
7e271437f12e
Updated writable variables info in r.variables and s.variables.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2688
diff
changeset
|
695 Even so, some embedded variables still cannot be assigned a value. |
2247
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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changeset
|
696 </tag-desc> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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changeset
|
697 |
2570
44792f1ee284
Added IDs to methods in njs Reference.
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parents:
2569
diff
changeset
|
698 <tag-name id="s_warn"><literal>s.warn(<value>string</value>)</literal></tag-name> |
2247
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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changeset
|
699 <tag-desc> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
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changeset
|
700 writes a sent <literal>string</literal> to the error log |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
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changeset
|
701 on the <literal>warning</literal> level of logging |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
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changeset
|
702 </tag-desc> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
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diff
changeset
|
703 |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
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changeset
|
704 </list> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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changeset
|
705 </para> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
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diff
changeset
|
706 |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
707 </section> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
2246
diff
changeset
|
708 |
2628 | 709 |
2653
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Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
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|
710 <section id="response" name="Response"> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
711 |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2647
diff
changeset
|
712 <para> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
713 The <literal>Response</literal> interface is available since |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
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parents:
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changeset
|
714 <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:
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diff
changeset
|
715 |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
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parents:
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diff
changeset
|
716 <list type="tag"> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
717 |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
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parents:
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diff
changeset
|
718 <tag-name id="response_arraybuffer"><literal>arrayBuffer()</literal></tag-name> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
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parents:
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changeset
|
719 <tag-desc> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2647
diff
changeset
|
720 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:
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diff
changeset
|
721 Returns a <literal>Promise</literal> that resolves with |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
722 an <literal>ArrayBuffer</literal>. |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
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parents:
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|
723 </tag-desc> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
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diff
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|
724 |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
725 <tag-name id="response_bodyused"><literal>bodyUsed</literal></tag-name> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
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parents:
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changeset
|
726 <tag-desc> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
727 A boolean value, <literal>true</literal> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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changeset
|
728 if the body was read. |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
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parents:
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diff
changeset
|
729 </tag-desc> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
730 |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
731 <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
|
732 <tag-desc> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2647
diff
changeset
|
733 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
|
734 <link id="response"><literal>Response</literal></link>: |
2653
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
735 |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
736 <list type="tag"> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
737 |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
738 <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:
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diff
changeset
|
739 <tag-desc> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
740 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:
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diff
changeset
|
741 separated by a comma and a space |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
742 </tag-desc> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
743 |
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Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
744 <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:
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diff
changeset
|
745 <tag-desc> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
746 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:
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diff
changeset
|
747 </tag-desc> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
748 |
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Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
749 <tag-name id="headers_has"><literal>has(<value>name</value>)</literal></tag-name> |
9fc25ea7a92c
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
750 <tag-desc> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
751 returns a boolean value |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2647
diff
changeset
|
752 indicating whether a header with the specified name exists |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
753 </tag-desc> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
754 |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
755 </list> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
756 </tag-desc> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
757 |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
changeset
|
758 <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:
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diff
changeset
|
759 <tag-desc> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
760 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:
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diff
changeset
|
761 Returns a <literal>Promise</literal> that resolves with |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
762 the result of parsing the body text as JSON. |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
763 </tag-desc> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
764 |
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Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
765 <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:
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diff
changeset
|
766 <tag-desc> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
767 A boolean value, <literal>true</literal> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
768 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:
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diff
changeset
|
769 </tag-desc> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
770 |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
771 <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:
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diff
changeset
|
772 <tag-desc> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2647
diff
changeset
|
773 A boolean value, <literal>true</literal> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
774 if the response is the result of a redirect. |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
775 </tag-desc> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
776 |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
777 <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:
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diff
changeset
|
778 <tag-desc> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2647
diff
changeset
|
779 The status code of the response. |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
780 </tag-desc> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2647
diff
changeset
|
781 |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2647
diff
changeset
|
782 <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:
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diff
changeset
|
783 <tag-desc> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2647
diff
changeset
|
784 The status message corresponding to the status code. |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
785 </tag-desc> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
786 |
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Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2647
diff
changeset
|
787 <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:
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diff
changeset
|
788 <tag-desc> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2647
diff
changeset
|
789 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
|
790 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:
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diff
changeset
|
791 </tag-desc> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2647
diff
changeset
|
792 |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2647
diff
changeset
|
793 <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:
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diff
changeset
|
794 <tag-desc> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2647
diff
changeset
|
795 The type of the response. |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2647
diff
changeset
|
796 </tag-desc> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2647
diff
changeset
|
797 |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2647
diff
changeset
|
798 <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:
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diff
changeset
|
799 <tag-desc> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2647
diff
changeset
|
800 The URL of the response. |
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 </list> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2647
diff
changeset
|
804 </para> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2647
diff
changeset
|
805 |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2647
diff
changeset
|
806 </section> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
807 |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
808 |
2628 | 809 <section id="ngx" name="ngx"> |
810 | |
811 <para> | |
812 The <literal>ngx</literal> global object is available | |
813 since <link doc="changes.xml" id="njs0.5.0">0.5.0</link>. | |
814 <list type="tag"> | |
815 | |
2653
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
816 <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
|
817 [<value>options</value>])</literal></tag-name> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
818 <tag-desc> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2647
diff
changeset
|
819 Makes a request to fetch an URL |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
820 (<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:
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diff
changeset
|
821 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
|
822 the <link id="response"><literal>Response</literal></link> object. |
2653
9fc25ea7a92c
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
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changeset
|
823 Only the <literal>http://</literal> scheme is supported, |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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changeset
|
824 redirects are not handled. |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
825 <para> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
826 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:
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diff
changeset
|
827 with the following keys: |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
828 <list type="tag"> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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changeset
|
829 |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
830 <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:
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diff
changeset
|
831 <tag-desc> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
832 request body, |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
833 by default is empty |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
834 </tag-desc> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
835 |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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changeset
|
836 <tag-name id="fetch_buffer_size"><literal>buffer_size</literal></tag-name> |
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Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
837 <tag-desc> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2647
diff
changeset
|
838 the buffer size for reading the response, |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
839 by default is <literal>4096</literal> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2647
diff
changeset
|
840 </tag-desc> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2647
diff
changeset
|
841 |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
842 <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:
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diff
changeset
|
843 <tag-desc> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
844 request headers object |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
845 </tag-desc> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2647
diff
changeset
|
846 |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2647
diff
changeset
|
847 <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:
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diff
changeset
|
848 <tag-desc> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2647
diff
changeset
|
849 the maximum size of the response body in bytes, |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
850 by default is <literal>32768</literal> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
851 </tag-desc> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2647
diff
changeset
|
852 |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
853 <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
|
854 <tag-desc> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2647
diff
changeset
|
855 HTTP method, |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
856 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
|
857 </tag-desc> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2647
diff
changeset
|
858 |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2647
diff
changeset
|
859 </list> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2647
diff
changeset
|
860 Example: |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2647
diff
changeset
|
861 <example> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2647
diff
changeset
|
862 ngx.fetch('http://nginx.org/') |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2647
diff
changeset
|
863 .then(reply => reply.text()) |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2647
diff
changeset
|
864 .then(body => r.return(200, body)) |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
865 .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
|
866 </example> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2647
diff
changeset
|
867 </para> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
868 </tag-desc> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
869 |
2628 | 870 <tag-name id="ngx_log"><literal>ngx.log</literal>(<value>level</value>, |
871 <value>message</value>)</tag-name> | |
872 <tag-desc> | |
873 Writes a message to the error log with the specified level of logging. | |
874 The <value>level</value> parameter specifies one of the log levels, | |
875 the <value>message</value> parameter can be a string or Buffer. | |
876 The following log levels can be specified: | |
877 <literal>ngx.INFO</literal>, | |
878 <literal>ngx.WARN</literal>, and | |
879 <literal>ngx.ERR</literal>. | |
880 </tag-desc> | |
2653
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2647
diff
changeset
|
881 |
2628 | 882 </list> |
883 </para> | |
884 | |
885 </section> | |
886 | |
2247
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2246
diff
changeset
|
887 </section> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2246
diff
changeset
|
888 |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2246
diff
changeset
|
889 |
2687
7ff9d8bda757
Revised TOC in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2685
diff
changeset
|
890 <section id="builtin_objects" name="built-in objects"> |
2405
dbf68c949522
Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
891 |
dbf68c949522
Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2394
diff
changeset
|
892 |
2666
68c0566a375f
Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2665
diff
changeset
|
893 <section id="njs" name="njs"> |
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 <para> |
68c0566a375f
Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2665
diff
changeset
|
896 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
|
897 that represents the current VM instance |
68c0566a375f
Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2665
diff
changeset
|
898 (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
|
899 </para> |
68c0566a375f
Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2665
diff
changeset
|
900 |
68c0566a375f
Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2665
diff
changeset
|
901 <para> |
68c0566a375f
Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2665
diff
changeset
|
902 <list type="tag"> |
68c0566a375f
Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2665
diff
changeset
|
903 |
68c0566a375f
Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2665
diff
changeset
|
904 <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
|
905 <tag-desc> |
68c0566a375f
Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2665
diff
changeset
|
906 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
|
907 (for example, “0.5.2”). |
68c0566a375f
Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2665
diff
changeset
|
908 </tag-desc> |
68c0566a375f
Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2665
diff
changeset
|
909 |
68c0566a375f
Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2665
diff
changeset
|
910 <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
|
911 <tag-desc> |
68c0566a375f
Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2665
diff
changeset
|
912 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
|
913 </tag-desc> |
68c0566a375f
Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2665
diff
changeset
|
914 |
2679
8f3e9ff2785f
Corrected syntax of njs.on() and ngx.fetch() in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2670
diff
changeset
|
915 <tag-name id="njs_on"><literal>njs.on(<value>event</value>, |
8f3e9ff2785f
Corrected syntax of njs.on() and ngx.fetch() in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2670
diff
changeset
|
916 <value>callback</value>)</literal></tag-name> |
2666
68c0566a375f
Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2665
diff
changeset
|
917 <tag-desc> |
68c0566a375f
Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2665
diff
changeset
|
918 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
|
919 (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
|
920 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
|
921 <list type="tag"> |
68c0566a375f
Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2665
diff
changeset
|
922 |
68c0566a375f
Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2665
diff
changeset
|
923 <tag-name><literal>exit</literal></tag-name> |
68c0566a375f
Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2665
diff
changeset
|
924 <tag-desc> |
68c0566a375f
Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2665
diff
changeset
|
925 is called before the VM is destroyed. |
68c0566a375f
Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2665
diff
changeset
|
926 The callback is called without arguments. |
68c0566a375f
Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2665
diff
changeset
|
927 </tag-desc> |
68c0566a375f
Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2665
diff
changeset
|
928 |
68c0566a375f
Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2665
diff
changeset
|
929 </list> |
68c0566a375f
Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2665
diff
changeset
|
930 </tag-desc> |
68c0566a375f
Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2665
diff
changeset
|
931 |
68c0566a375f
Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2665
diff
changeset
|
932 </list> |
68c0566a375f
Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2665
diff
changeset
|
933 </para> |
68c0566a375f
Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2665
diff
changeset
|
934 |
68c0566a375f
Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2665
diff
changeset
|
935 </section> |
68c0566a375f
Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2665
diff
changeset
|
936 |
68c0566a375f
Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2665
diff
changeset
|
937 |
2687
7ff9d8bda757
Revised TOC in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2685
diff
changeset
|
938 <section id="process" name="process"> |
2405
dbf68c949522
Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2394
diff
changeset
|
939 |
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 The <literal>process</literal> object is a global object |
dbf68c949522
Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2394
diff
changeset
|
942 that provides information about the current process |
dbf68c949522
Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2394
diff
changeset
|
943 (<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
|
944 </para> |
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 <para> |
dbf68c949522
Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2394
diff
changeset
|
947 <list type="tag"> |
dbf68c949522
Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2394
diff
changeset
|
948 |
dbf68c949522
Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2394
diff
changeset
|
949 <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
|
950 <tag-desc> |
dbf68c949522
Documented the "process" global object.
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parents:
2394
diff
changeset
|
951 Returns an array that contains the command line arguments |
dbf68c949522
Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2394
diff
changeset
|
952 passed when the current process was launched. |
dbf68c949522
Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2394
diff
changeset
|
953 </tag-desc> |
dbf68c949522
Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2394
diff
changeset
|
954 |
dbf68c949522
Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2394
diff
changeset
|
955 <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
|
956 <tag-desc> |
dbf68c949522
Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2394
diff
changeset
|
957 Returns an object containing the user environment. |
dbf68c949522
Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2394
diff
changeset
|
958 <note> |
dbf68c949522
Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2394
diff
changeset
|
959 By default, nginx removes all environment variables inherited |
dbf68c949522
Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2394
diff
changeset
|
960 from its parent process except the TZ variable. |
dbf68c949522
Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2394
diff
changeset
|
961 Use the <link doc="../ngx_core_module.xml" id="env"/> directive |
dbf68c949522
Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
962 to preserve some of the inherited variables. |
dbf68c949522
Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2394
diff
changeset
|
963 </note> |
dbf68c949522
Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2394
diff
changeset
|
964 </tag-desc> |
dbf68c949522
Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2394
diff
changeset
|
965 |
dbf68c949522
Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2394
diff
changeset
|
966 <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
|
967 <tag-desc> |
dbf68c949522
Documented the "process" global object.
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parents:
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diff
changeset
|
968 Returns the PID of the current process. |
dbf68c949522
Documented the "process" global object.
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parents:
2394
diff
changeset
|
969 </tag-desc> |
dbf68c949522
Documented the "process" global object.
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parents:
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diff
changeset
|
970 |
dbf68c949522
Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2394
diff
changeset
|
971 <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
|
972 <tag-desc> |
dbf68c949522
Documented the "process" global object.
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parents:
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diff
changeset
|
973 Returns the PID of the current parent process. |
dbf68c949522
Documented the "process" global object.
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parents:
2394
diff
changeset
|
974 </tag-desc> |
dbf68c949522
Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2394
diff
changeset
|
975 |
dbf68c949522
Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2394
diff
changeset
|
976 </list> |
dbf68c949522
Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2394
diff
changeset
|
977 </para> |
dbf68c949522
Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2394
diff
changeset
|
978 |
dbf68c949522
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
2394
diff
changeset
|
979 </section> |
dbf68c949522
Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2394
diff
changeset
|
980 |
dbf68c949522
Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2394
diff
changeset
|
981 |
2186
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
982 <section id="string" name="String"> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
983 |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
984 <para> |
2315
ae56e4613280
Corrected language in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2313
diff
changeset
|
985 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
|
986 a byte string. |
2186
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
987 </para> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
988 |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
989 <para> |
2315
ae56e4613280
Corrected language in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2313
diff
changeset
|
990 A Unicode string corresponds to an ECMAScript string |
2186
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
991 which contains Unicode characters. |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
992 </para> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
993 |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
994 <para> |
2315
ae56e4613280
Corrected language in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2313
diff
changeset
|
995 Byte strings contain a sequence of bytes |
ae56e4613280
Corrected language in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2313
diff
changeset
|
996 and are used to serialize Unicode strings |
2186
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
997 to external data and deserialize from external sources. |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
998 For example, the <link id="string_toutf8">toUTF8()</link> method serializes |
2688
dd2bbd104146
Unified spelling of UTF-8 in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2687
diff
changeset
|
999 a Unicode string to a byte string using UTF-8 encoding: |
2186
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
1000 <example> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
1001 >> '£'.toUTF8().toString('hex') |
2688
dd2bbd104146
Unified spelling of UTF-8 in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2687
diff
changeset
|
1002 'c2a3' /* C2 A3 is the UTF-8 representation of 00A3 ('£') code point */ |
2186
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
1003 </example> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
1004 The <link id="string_tobytes">toBytes()</link> method serializes |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
1005 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
|
1006 otherwise, <literal>null</literal> is returned: |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
1007 <example> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
1008 >> '£'.toBytes().toString('hex') |
2214
e029f4bc7ede
Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2212
diff
changeset
|
1009 '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
|
1010 </example> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
1011 |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
1012 <list type="tag"> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
1013 |
2211
660229c5c92f
Documented String.bytesFrom() method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2207
diff
changeset
|
1014 <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
|
1015 | <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
|
1016 <tag-desc> |
2569
2edc64c05b0e
Removed ECMAScript methods from njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2564
diff
changeset
|
1017 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
|
1018 or from an encoded string |
2337
867fe207f13e
Updated links to changes.xml in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2332
diff
changeset
|
1019 (<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
|
1020 The encoding can be |
660229c5c92f
Documented String.bytesFrom() method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2207
diff
changeset
|
1021 <literal>hex</literal>, |
660229c5c92f
Documented String.bytesFrom() method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2207
diff
changeset
|
1022 <literal>base64</literal>, and |
660229c5c92f
Documented String.bytesFrom() method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2207
diff
changeset
|
1023 <literal>base64url</literal>. |
2605
0ec1e1b063d7
Deprecated String.bytesFrom method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2604
diff
changeset
|
1024 The method is deprecated since |
0ec1e1b063d7
Deprecated String.bytesFrom method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2604
diff
changeset
|
1025 <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
|
1026 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
|
1027 <example> |
2605
0ec1e1b063d7
Deprecated String.bytesFrom method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2604
diff
changeset
|
1028 >> 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
|
1029 'buffer' |
660229c5c92f
Documented String.bytesFrom() method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2207
diff
changeset
|
1030 |
2605
0ec1e1b063d7
Deprecated String.bytesFrom method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2604
diff
changeset
|
1031 >> Buffer.from('YnVmZmVy', 'base64').toString() |
2211
660229c5c92f
Documented String.bytesFrom() method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2207
diff
changeset
|
1032 'buffer' |
660229c5c92f
Documented String.bytesFrom() method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2207
diff
changeset
|
1033 </example> |
660229c5c92f
Documented String.bytesFrom() method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2207
diff
changeset
|
1034 </tag-desc> |
660229c5c92f
Documented String.bytesFrom() method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2207
diff
changeset
|
1035 |
2267
c30048802769
Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2259
diff
changeset
|
1036 <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
|
1037 <value>end</value>])</literal></tag-name> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
1038 <tag-desc> |
2569
2edc64c05b0e
Removed ECMAScript methods from njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2564
diff
changeset
|
1039 Returns a new Unicode string from a byte string |
2186
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
1040 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
|
1041 </tag-desc> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
1042 |
2267
c30048802769
Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2259
diff
changeset
|
1043 <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
|
1044 <value>end</value>])</literal></tag-name> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
1045 <tag-desc> |
2688
dd2bbd104146
Unified spelling of UTF-8 in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2687
diff
changeset
|
1046 Converts a byte string containing a valid UTF-8 string |
2186
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
1047 into a Unicode string, |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
1048 otherwise <literal>null</literal> is returned. |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
1049 </tag-desc> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
1050 |
2579
63cef7604e0d
Minor review of njs Reference for typos and style.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2578
diff
changeset
|
1051 <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
|
1052 <value>end</value>])</literal></tag-name> |
2186
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
1053 <tag-desc> |
2569
2edc64c05b0e
Removed ECMAScript methods from njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2564
diff
changeset
|
1054 Serializes a Unicode string to a byte string. |
2186
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
1055 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
|
1056 found in the string. |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
1057 </tag-desc> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
1058 |
2582
e162a71453b0
Improved String.prototype.toString() for ordinary strings in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2579
diff
changeset
|
1059 <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
|
1060 <tag-desc> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
1061 <para> |
2582
e162a71453b0
Improved String.prototype.toString() for ordinary strings in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2579
diff
changeset
|
1062 Encodes a string to |
2186
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
1063 <literal>hex</literal>, |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
1064 <literal>base64</literal>, or |
2582
e162a71453b0
Improved String.prototype.toString() for ordinary strings in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2579
diff
changeset
|
1065 <literal>base64url</literal>: |
e162a71453b0
Improved String.prototype.toString() for ordinary strings in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2579
diff
changeset
|
1066 <example> |
e162a71453b0
Improved String.prototype.toString() for ordinary strings in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2579
diff
changeset
|
1067 >> 'αβγδ'.toString('base64url') |
e162a71453b0
Improved String.prototype.toString() for ordinary strings in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2579
diff
changeset
|
1068 'zrHOss6zzrQ' |
e162a71453b0
Improved String.prototype.toString() for ordinary strings in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2579
diff
changeset
|
1069 </example> |
e162a71453b0
Improved String.prototype.toString() for ordinary strings in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2579
diff
changeset
|
1070 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
|
1071 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
|
1072 <example> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
1073 >> 'αβγδ'.toUTF8().toString('base64url') |
2214
e029f4bc7ede
Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2212
diff
changeset
|
1074 'zrHOss6zzrQ' |
2186
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
1075 </example> |
2582
e162a71453b0
Improved String.prototype.toString() for ordinary strings in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2579
diff
changeset
|
1076 </para> |
2186
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
1077 </tag-desc> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
1078 |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
1079 <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
|
1080 <value>end</value>])</literal></tag-name> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
1081 <tag-desc> |
2569
2edc64c05b0e
Removed ECMAScript methods from njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2564
diff
changeset
|
1082 Serializes a Unicode string |
2688
dd2bbd104146
Unified spelling of UTF-8 in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2687
diff
changeset
|
1083 to a byte string using UTF-8 encoding. |
2186
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
1084 <example> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
1085 >> 'αβγδ'.toUTF8().length |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
1086 8 |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
1087 >> 'αβγδ'.length |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
1088 4 |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
1089 </example> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
1090 </tag-desc> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
1091 |
8e2b3aadc3ce
Added njs String object.
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1092 </list> |
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1093 </para> |
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1094 |
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1095 </section> |
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1096 |
2687
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1097 </section> |
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1098 |
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1099 |
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1100 <section id="webapi" name="web API"> |
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1101 |
2186
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1102 |
2585
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1103 <section id="textdecoder" name="Text Decoder"> |
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1104 |
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1105 <para> |
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1106 The <literal>TextDecoder</literal> |
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1107 produces a stream of code points |
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1108 from a stream of bytes |
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1109 (<link doc="changes.xml" id="njs0.4.3">0.4.3</link>). |
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1110 </para> |
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1111 |
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1112 <para> |
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1113 <list type="tag"> |
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1114 |
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1115 <tag-name><literal>TextDecoder([[<value>encoding</value>], |
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1116 <value>options</value>])</literal></tag-name> |
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1117 <tag-desc> |
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1118 Creates a new <literal>TextDecoder</literal> object |
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1119 for specified <literal>encoding</literal>, |
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1120 currently, only UTF-8 is supported. |
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1121 The <literal>options</literal> is |
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1122 <literal>TextDecoderOptions</literal> dictionary with the property: |
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1123 |
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1124 <list type="tag"> |
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1125 |
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1126 <tag-name><literal>fatal</literal></tag-name> |
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1127 <tag-desc> |
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1128 boolean flag indicating if |
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1129 <link id="textdecoder_decode"><literal>TextDecoder.decode()</literal></link> |
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1130 must throw the <value>TypeError</value> exception when |
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1131 a coding error is found, by default is <literal>false</literal>. |
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1132 </tag-desc> |
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1133 |
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1134 </list> |
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1135 </tag-desc> |
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1136 |
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1137 <tag-name id="textdecoder_encoding"><literal>TextDecoder.prototype.encoding</literal></tag-name> |
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1138 <tag-desc> |
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1139 Returns a string with the name of the encoding used by |
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1140 <link id="textdecoder"><literal>TextDecoder()</literal></link>, |
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1141 read-only. |
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1142 </tag-desc> |
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1143 |
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1144 <tag-name id="textdecoder_fatal"><literal>TextDecoder.prototype.fatal</literal></tag-name> |
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1145 <tag-desc> |
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1146 boolean flag, <literal>true</literal> if |
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1147 the error mode is fatal, |
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1148 read-only. |
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1149 </tag-desc> |
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1150 |
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1151 <tag-name id="textdecoder_ignorebom"><literal>TextDecoder.prototype.ignoreBOM</literal></tag-name> |
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1152 <tag-desc> |
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1153 boolean flag, <literal>true</literal> if |
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1154 the byte order marker is ignored, |
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1155 read-only. |
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1156 </tag-desc> |
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1157 |
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1158 <tag-name id="textdecoder_decode"><literal>TextDecoder.prototype.decode(<value>buffer</value>, |
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1159 [<value>options</value>])</literal></tag-name> |
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1160 <tag-desc> |
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1161 Returns a string with the text |
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1162 decoded from the <literal>buffer</literal> by |
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1163 <link id="textdecoder"><literal>TextDecoder()</literal></link>. |
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1164 The buffer can be <literal>ArrayBuffer</literal>. |
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1165 The <literal>options</literal> is |
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1166 <literal>TextDecodeOptions</literal> dictionary with the property: |
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1167 |
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1168 <list type="tag"> |
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1169 |
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1170 <tag-name><literal>stream</literal></tag-name> |
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1171 <tag-desc> |
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1172 boolean flag indicating if |
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1173 additional data will follow in subsequent calls to <literal>decode()</literal>: |
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1174 <literal>true</literal> if processing the data in chunks, and |
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1175 <literal>false</literal> for the final chunk |
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1176 or if the data is not chunked. |
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1177 By default is <literal>false</literal>. |
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1178 </tag-desc> |
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1179 |
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1180 </list> |
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1181 <example> |
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1182 >> (new TextDecoder()).decode(new Uint8Array([206,177,206,178])) |
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1183 αβ |
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1184 </example> |
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1185 </tag-desc> |
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1186 |
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1187 </list> |
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1188 </para> |
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1189 |
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1190 </section> |
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1191 |
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1192 |
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1193 <section id="textencoder" name="Text Encoder"> |
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1194 |
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1195 <para> |
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1196 The <literal>TextEncoder</literal> object |
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1197 produces a byte stream with UTF-8 encoding |
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1198 from a stream of code points |
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1199 (<link doc="changes.xml" id="njs0.4.3">0.4.3</link>). |
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1200 </para> |
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1201 |
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1202 <para> |
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1203 <list type="tag"> |
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1204 |
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1205 <tag-name><literal>TextEncoder()</literal></tag-name> |
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1206 <tag-desc> |
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1207 Returns a newly constructed <literal>TextEncoder</literal> |
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|
1208 that will generate a byte stream with UTF-8 encoding. |
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1209 </tag-desc> |
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1210 |
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1211 <tag-name id="textencoder_encode"><literal>TextEncoder.prototype.encode(<value>string</value>)</literal></tag-name> |
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1212 <tag-desc> |
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|
1213 Encodes <literal>string</literal> into a <literal>Uint8Array</literal> |
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|
1214 with UTF-8 encoded text. |
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1215 </tag-desc> |
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|
1216 |
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1217 <tag-name id="textencoder_encodeinto"><literal>TextEncoder.prototype.encodeInto(<value>string</value>, |
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|
1218 <value>uint8Array</value>)</literal></tag-name> |
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1219 <tag-desc> |
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|
1220 Encodes a <literal>string</literal> to UTF-8, |
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|
1221 puts the result into destination <literal>Uint8Array</literal>, and |
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1222 returns a dictionary object that shows the progress of the encoding. |
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|
1223 The dictionary object contains two members: |
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|
1224 |
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|
1225 <list type="tag"> |
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|
1226 |
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|
1227 <tag-name><literal>read</literal></tag-name> |
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1228 <tag-desc> |
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|
1229 the number of UTF-16 units of code from the source <literal>string</literal> |
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|
1230 converted to UTF-8 |
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|
1231 </tag-desc> |
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|
1232 |
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|
1233 <tag-name><literal>written</literal></tag-name> |
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|
1234 <tag-desc> |
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|
1235 the number of bytes modified in the destination <literal>Uint8Array</literal> |
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|
1236 </tag-desc> |
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|
1237 |
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|
1238 </list> |
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|
1239 </tag-desc> |
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|
1240 |
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|
1241 </list> |
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|
1242 </para> |
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|
1243 |
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|
1244 </section> |
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|
1245 |
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|
1246 </section> |
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|
1247 |
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|
1248 |
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|
1249 <section id="njs_api_timers" name="timers"> |
2578
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|
1250 |
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|
1251 <para> |
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|
1252 <list type="tag"> |
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|
1253 |
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|
1254 <tag-name id="cleartimeout"><literal>clearTimeout(<value>timeout</value>)</literal></tag-name> |
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|
1255 <tag-desc> |
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|
1256 Cancels a <literal>timeout</literal> object |
2579
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|
1257 created by <link id="settimeout"><literal>setTimeout()</literal></link>. |
2578
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|
1258 </tag-desc> |
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|
1259 |
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|
1260 <tag-name id="settimeout"><literal>setTimeout(<value>function</value>, |
2579
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|
1261 <value>milliseconds</value>[, |
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|
1262 <value>argument1</value>, |
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|
1263 <value>argumentN</value>])</literal></tag-name> |
2578
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|
1264 <tag-desc> |
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|
1265 Calls a <literal>function</literal> |
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|
1266 after a specified number of <literal>milliseconds</literal>. |
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|
1267 One or more optional <literal>arguments</literal> |
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|
1268 can be passed to the specified function. |
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|
1269 Returns a <literal>timeout</literal> object. |
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|
1270 <example> |
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|
1271 function handler(v) |
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Restructured njs Reference.
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|
1272 { |
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Restructured njs Reference.
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|
1273 // ... |
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|
1274 } |
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Restructured njs Reference.
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|
1275 |
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|
1276 t = setTimeout(handler, 12); |
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|
1277 |
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|
1278 // ... |
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|
1279 |
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|
1280 clearTimeout(t); |
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|
1281 </example> |
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|
1282 </tag-desc> |
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|
1283 |
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|
1284 </list> |
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|
1285 </para> |
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|
1286 |
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|
1287 </section> |
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|
1288 |
2687
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|
1289 |
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|
1290 <section id="builtin_modules" name="built-in modules"> |
2578
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|
1291 |
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|
1292 |
2609
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|
1293 <section id="buffer" name="Buffer"> |
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|
1294 |
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|
1295 <para> |
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|
1296 <list type="tag"> |
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|
1297 |
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|
1298 <tag-name id="buffer_alloc"><literal>Buffer.alloc(<value>size</value>[, |
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1299 <value>fill</value>[, |
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|
1300 <value>encoding</value>]]))</literal></tag-name> |
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|
1301 <tag-desc> |
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|
1302 <para> |
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|
1303 Allocates a new Buffer of a specified <value>size</value>. |
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1304 If <value>fill</value> is not specified, the Buffer will be zero-filled. |
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1305 If <value>fill</value> is specified, |
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|
1306 the allocated Buffer will be initialized by calling |
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|
1307 <link id="buf_fill"><literal>buf.fill(fill)</literal></link>. |
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|
1308 If <value>fill</value> and <value>encoding</value> are specified, |
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1309 the allocated Buffer will be initialized by calling |
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|
1310 <link id="buf_fill"><literal>buf.fill(fill, |
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|
1311 encoding)</literal></link>. |
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|
1312 </para> |
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|
1313 |
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|
1314 <para> |
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1315 The <value>fill</value> parameter may be a |
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1316 <value>string</value>, |
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|
1317 <value>Buffer</value>, |
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|
1318 <value>Uint8Array</value>, or |
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|
1319 <value>integer</value>. |
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1320 </para> |
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1321 </tag-desc> |
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|
1322 |
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|
1323 <tag-name id="buffer_alloc_unsafe"><literal>Buffer.allocUnsafe(<value>size</value>)</literal></tag-name> |
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1324 <tag-desc> |
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|
1325 <para> |
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|
1326 The same as |
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|
1327 <link id="buffer_alloc"><literal>Buffer.alloc()</literal></link>, |
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|
1328 with the difference that the memory allocated for the buffer is not initialized, |
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parents:
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diff
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|
1329 the contents of the new buffer is unknown and may contain sensitive data. |
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parents:
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diff
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|
1330 </para> |
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1331 </tag-desc> |
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
1332 |
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1333 <tag-name id="buffer_bytelength"><literal>Buffer.byteLength(<value>value</value>[, |
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Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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|
1334 <value>encoding</value>])</literal></tag-name> |
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Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
1335 <tag-desc> |
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parents:
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diff
changeset
|
1336 Returns the byte length of a specified value, |
99bd2ae8d2be
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
1337 when encoded using <value>encoding</value>. |
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
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|
1338 The value can be a |
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1339 <literal>string</literal>, |
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Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1340 <literal>Buffer</literal>, |
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Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1341 <literal>TypedArray</literal>, |
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parents:
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diff
changeset
|
1342 <literal>DataView</literal>, or |
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Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
1343 <literal>ArrayBuffer</literal>. |
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parents:
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diff
changeset
|
1344 If the value is a <value>string</value>, |
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Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
1345 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:
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diff
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|
1346 <value>utf8</value>, |
2609
99bd2ae8d2be
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1347 <value>hex</value>, |
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1348 <value>base64</value>, |
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1349 <value>base64url</value>; |
2631
7da360f50017
Unified spelling of "utf-8" in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2630
diff
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|
1350 by default is <value>utf8</value>. |
2609
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|
1351 </tag-desc> |
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diff
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|
1352 |
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Yaroslav Zhuravlev <yar@nginx.com>
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changeset
|
1353 <tag-name id="buffer_compare"><literal>Buffer.compare(<value>buffer1</value>, |
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Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1354 <value>buffer2</value>)</literal></tag-name> |
99bd2ae8d2be
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
1355 <tag-desc> |
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1356 Compares <value>buffer1</value> with <value>buffer2</value> |
99bd2ae8d2be
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1357 when sorting arrays of Buffer instances. |
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1358 Returns |
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Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1359 <literal>0</literal> if |
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1360 <value>buffer1</value> is the same as <value>buffer2</value>, |
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1361 <literal>1</literal> if |
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Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1362 <value>buffer2</value> should come before <value>buffer1</value> when sorted, or |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1363 <literal>-1</literal> if |
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Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1364 <value>buffer2</value> should come after <value>buffer1</value> when sorted. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
1365 </tag-desc> |
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Yaroslav Zhuravlev <yar@nginx.com>
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diff
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|
1366 |
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1367 <tag-name id="buffer_concat"><literal>Buffer.concat(<value>list</value>[, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
1368 <value>totalLength</value>])</literal></tag-name> |
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
1369 <tag-desc> |
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parents:
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diff
changeset
|
1370 Returns a new Buffer |
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1371 which is the result of concatenating all the Buffer instances in the list. |
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
1372 If there are no items in the list or the total length is 0, |
99bd2ae8d2be
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1373 a new zero-length Buffer is returned. |
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parents:
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diff
changeset
|
1374 If <value>totalLength</value> is not specified, |
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
1375 it is calculated from the Buffer instances in list by adding their lengths. |
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
1376 If <value>totalLength</value> is specified, |
99bd2ae8d2be
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1377 it is coerced to an unsigned integer. |
99bd2ae8d2be
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parents:
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diff
changeset
|
1378 If the combined length of the Buffers in list exceeds |
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1379 <value>totalLength</value>, |
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parents:
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changeset
|
1380 the result is truncated to <value>totalLength</value>. |
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
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|
1381 </tag-desc> |
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|
1382 |
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
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changeset
|
1383 <tag-name id="buffer_from_array"><literal>Buffer.from(<value>array</value>)</literal></tag-name> |
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parents:
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|
1384 <tag-desc> |
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parents:
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changeset
|
1385 Allocates a new Buffer using an array of bytes |
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
1386 in the range <literal>0</literal> – <literal>255</literal>. |
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parents:
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|
1387 Array entries outside that range will be truncated. |
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parents:
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diff
changeset
|
1388 </tag-desc> |
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1389 |
2612
6fdefb00858f
Documented Buffer.from(arrayBuffer) method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2609
diff
changeset
|
1390 <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
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|
1391 <value>byteOffset</value>[, |
6fdefb00858f
Documented Buffer.from(arrayBuffer) method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2609
diff
changeset
|
1392 <value>length</value>]])</literal></tag-name> |
6fdefb00858f
Documented Buffer.from(arrayBuffer) method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
1393 <tag-desc> |
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Documented Buffer.from(arrayBuffer) method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2609
diff
changeset
|
1394 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
|
1395 without copying the underlying memory. |
6fdefb00858f
Documented Buffer.from(arrayBuffer) method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2609
diff
changeset
|
1396 The optional <value>byteOffset</value> and <value>length</value> arguments |
6fdefb00858f
Documented Buffer.from(arrayBuffer) method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
1397 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
|
1398 that will be shared by the Buffer. |
6fdefb00858f
Documented Buffer.from(arrayBuffer) method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2609
diff
changeset
|
1399 </tag-desc> |
6fdefb00858f
Documented Buffer.from(arrayBuffer) method in njs.
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diff
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|
1400 |
2609
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Yaroslav Zhuravlev <yar@nginx.com>
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changeset
|
1401 <tag-name id="buffer_from_buffer"><literal>Buffer.from(<value>buffer</value>)</literal></tag-name> |
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|
1402 <tag-desc> |
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changeset
|
1403 Copies the passed buffer data onto a new Buffer instance. |
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|
1404 </tag-desc> |
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diff
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|
1405 |
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Yaroslav Zhuravlev <yar@nginx.com>
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|
1406 <tag-name id="buffer_from_object"><literal>Buffer.from(<value>object</value>[, |
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Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1407 <value>offsetOrEncoding</value>[, |
99bd2ae8d2be
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parents:
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changeset
|
1408 <value>length</value>]])</literal></tag-name> |
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|
1409 <tag-desc> |
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changeset
|
1410 For objects whose <literal>valueOf()</literal> function |
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|
1411 returns a value not strictly equal to object, |
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|
1412 returns |
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changeset
|
1413 <literal>Buffer.from(object.valueOf()</literal>, |
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parents:
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|
1414 <literal>offsetOrEncoding</literal>, |
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changeset
|
1415 <literal>length</literal>). |
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changeset
|
1416 </tag-desc> |
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changeset
|
1417 |
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changeset
|
1418 <tag-name id="buffer_from_string"><literal>Buffer.from(<value>string</value>[, |
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|
1419 <value>encoding</value>])</literal></tag-name> |
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|
1420 <tag-desc> |
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|
1421 Creates a new Buffer with a <value>string</value>. |
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|
1422 The <value>encoding</value> parameter identifies the character encoding |
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|
1423 to be used when converting a string into bytes. |
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Added Buffer to njs Reference.
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|
1424 The encoding can be |
2631
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diff
changeset
|
1425 <literal>utf8</literal>, |
2609
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changeset
|
1426 <literal>hex</literal>, |
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changeset
|
1427 <literal>base64</literal>, |
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Yaroslav Zhuravlev <yar@nginx.com>
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|
1428 <literal>base64url</literal>; |
2631
7da360f50017
Unified spelling of "utf-8" in njs.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
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|
1429 by default is <literal>utf8</literal>. |
2609
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|
1430 </tag-desc> |
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|
1431 |
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|
1432 <tag-name id="buffer_is_buffer"><literal>Buffer.isBuffer(<value>object</value>)</literal></tag-name> |
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|
1433 <tag-desc> |
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|
1434 A boolean value, |
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|
1435 returns <literal>true</literal> if <value>object</value> is a Buffer. |
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|
1436 </tag-desc> |
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changeset
|
1437 |
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changeset
|
1438 <tag-name id="buffer_is_encoding"><literal>Buffer.isEncoding(<value>encoding</value>)</literal></tag-name> |
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|
1439 <tag-desc> |
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changeset
|
1440 A boolean value, |
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changeset
|
1441 returns <literal>true</literal> |
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parents:
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diff
changeset
|
1442 if encoding is the name of a supported character encoding. |
99bd2ae8d2be
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diff
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|
1443 </tag-desc> |
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parents:
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diff
changeset
|
1444 |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1445 <tag-name id="buf_index"><literal>buffer[<value>index</value>]</literal></tag-name> |
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Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
changeset
|
1446 <tag-desc> |
2647
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
2631
diff
changeset
|
1447 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
|
1448 at position <literal>index</literal> in <literal>buffer</literal>. |
2609
99bd2ae8d2be
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1449 The values refer to individual bytes, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1450 so the legal value range is between 0 and 255 (decimal). |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1451 </tag-desc> |
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Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1452 |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1453 <tag-name id="buf_buffer"><literal>buf.buffer</literal></tag-name> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1454 <tag-desc> |
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Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1455 The underlying <literal>ArrayBuffer</literal> object |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1456 based on which this Buffer object is created. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1457 </tag-desc> |
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Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1458 |
99bd2ae8d2be
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1459 <tag-name id="buf_byte_offset"><literal>buf.byteOffset</literal></tag-name> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1460 <tag-desc> |
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Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1461 An integer, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1462 specifying the <literal>byteOffset</literal> of the Buffers |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1463 underlying <literal>ArrayBuffer</literal> object. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1464 </tag-desc> |
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Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1465 |
99bd2ae8d2be
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1466 <tag-name id="buf_compare"><literal>buf.compare(<value>target</value>[, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1467 <value>targetStart</value>[, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1468 <value>targetEnd</value>[, |
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Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1469 <value>sourceStart</value>[, |
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Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1470 <value>sourceEnd</value>]]]])</literal></tag-name> |
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Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
1471 <tag-desc> |
2647
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diff
changeset
|
1472 Compares buffer with <value>target</value> and returns a number |
2609
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1473 indicating whether buffer comes before, after, or is the same |
2647
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Minor corrections in njs reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2631
diff
changeset
|
1474 as <value>target</value> in sort order. |
2609
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Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1475 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
|
1476 The <literal>targetStart</literal> is an integer specifying |
0085d9f7dc3f
Minor corrections in njs reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2631
diff
changeset
|
1477 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
|
1478 by default is 0. |
2647
0085d9f7dc3f
Minor corrections in njs reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2631
diff
changeset
|
1479 The <literal>targetEnd</literal> is an integer specifying |
0085d9f7dc3f
Minor corrections in njs reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2631
diff
changeset
|
1480 the offset within <value>target</value> at which to end comparison, |
2609
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1481 by default is <literal>target.length</literal>. |
2647
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Minor corrections in njs reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2631
diff
changeset
|
1482 The <literal>sourceStart</literal> is an integer specifying |
0085d9f7dc3f
Minor corrections in njs reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2631
diff
changeset
|
1483 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
|
1484 by default is 0. |
2647
0085d9f7dc3f
Minor corrections in njs reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2631
diff
changeset
|
1485 The <literal>sourceEnd</literal> is an integer specifying |
0085d9f7dc3f
Minor corrections in njs reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2631
diff
changeset
|
1486 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
|
1487 by default is <literal>buf.length</literal>. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1488 </tag-desc> |
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Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1489 |
99bd2ae8d2be
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1490 <tag-name id="buf_copy"><literal>buf.copy(<value>target</value>[, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1491 <value>targetStart</value>[, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1492 <value>sourceStart</value>[, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1493 <value>sourceEnd</value>]]])</literal></tag-name> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1494 <tag-desc> |
2647
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Minor corrections in njs reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2631
diff
changeset
|
1495 Copies data from a region of buffer to a region in <value>target</value>, |
2609
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Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1496 even if the target memory region overlaps with buffer. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1497 The <literal>target</literal> parameter is a |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1498 <value>Buffer</value> or <value>Uint8Array</value> to copy into. |
99bd2ae8d2be
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
1499 |
99bd2ae8d2be
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1500 <para> |
2647
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Minor corrections in njs reference.
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2631
diff
changeset
|
1501 The <literal>targetStart</literal> is an integer specifying |
0085d9f7dc3f
Minor corrections in njs reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2631
diff
changeset
|
1502 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
|
1503 by default is 0. |
2647
0085d9f7dc3f
Minor corrections in njs reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2631
diff
changeset
|
1504 The <literal>sourceStart</literal> is an integer specifying |
0085d9f7dc3f
Minor corrections in njs reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2631
diff
changeset
|
1505 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
|
1506 by default is 0. |
2647
0085d9f7dc3f
Minor corrections in njs reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2631
diff
changeset
|
1507 The <literal>sourceEnd</literal> is an integer specifying |
0085d9f7dc3f
Minor corrections in njs reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2631
diff
changeset
|
1508 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
|
1509 by default is <value>buf.length</value>. |
99bd2ae8d2be
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|
1510 </para> |
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1511 </tag-desc> |
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2605
diff
changeset
|
1512 |
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
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changeset
|
1513 <tag-name id="buf_equals"><literal>buf.equals(<value>otherBuffer</value>)</literal></tag-name> |
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Added Buffer to njs Reference.
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changeset
|
1514 <tag-desc> |
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|
1515 A boolean value, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1516 returns <literal>true</literal> if both Buffer and <value>otherBuffer</value> |
99bd2ae8d2be
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parents:
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|
1517 have exactly the same bytes. |
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parents:
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changeset
|
1518 </tag-desc> |
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changeset
|
1519 |
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
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changeset
|
1520 <tag-name id="buf_fill"><literal>buf.fill(<value>value</value>[, |
99bd2ae8d2be
Added Buffer to njs Reference.
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parents:
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changeset
|
1521 <value>offset</value>[, |
99bd2ae8d2be
Added Buffer to njs Reference.
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parents:
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diff
changeset
|
1522 <value>end</value>]][, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1523 <value>encoding</value>])</literal></tag-name> |
99bd2ae8d2be
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parents:
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|
1524 <tag-desc> |
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changeset
|
1525 Fills the Buffer with the specified <value>value</value>. |
99bd2ae8d2be
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parents:
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changeset
|
1526 If the <value>offset</value> and <value>end</value> are not specified, |
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parents:
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changeset
|
1527 the entire Buffer will be filled. |
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parents:
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changeset
|
1528 The <value>value</value> is coerced to <value>uint32</value> if it is not a |
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changeset
|
1529 <literal>string</literal>, |
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changeset
|
1530 <literal>Buffer</literal>, or |
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changeset
|
1531 <literal>integer</literal>. |
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changeset
|
1532 If the resulting integer is greater than 255, |
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|
1533 the Buffer will be filled with <value>value</value> and 255. |
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changeset
|
1534 </tag-desc> |
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changeset
|
1535 |
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changeset
|
1536 <tag-name id="buf_includes"><literal>buf.includes(<value>value</value>[, |
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changeset
|
1537 <value>byteOffset</value>][, |
99bd2ae8d2be
Added Buffer to njs Reference.
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changeset
|
1538 <value>encoding</value>])</literal></tag-name> |
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changeset
|
1539 <tag-desc> |
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changeset
|
1540 Equivalent to |
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changeset
|
1541 <link id="buf_indexof"><literal>buf.indexOf()</literal></link> |
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changeset
|
1542 <literal>!== -1</literal>, |
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parents:
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changeset
|
1543 returns <literal>true</literal> if the <value>value</value> was found |
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changeset
|
1544 in Buffer. |
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parents:
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diff
changeset
|
1545 </tag-desc> |
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changeset
|
1546 |
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changeset
|
1547 <tag-name id="buf_indexof"><literal>buf.indexOf(<value>value</value>[, |
99bd2ae8d2be
Added Buffer to njs Reference.
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parents:
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changeset
|
1548 <value>byteOffset</value>][, |
99bd2ae8d2be
Added Buffer to njs Reference.
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parents:
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diff
changeset
|
1549 <value>encoding</value>])</literal></tag-name> |
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parents:
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changeset
|
1550 <tag-desc> |
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changeset
|
1551 Returns an integer which is the index of the first occurrence of |
99bd2ae8d2be
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parents:
2605
diff
changeset
|
1552 <value>value</value> in Buffer, or <value>-1</value> |
99bd2ae8d2be
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parents:
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diff
changeset
|
1553 if Buffer does not contain value. |
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parents:
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diff
changeset
|
1554 The <value>value</value> can be a |
99bd2ae8d2be
Added Buffer to njs Reference.
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parents:
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diff
changeset
|
1555 <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
|
1556 (by default <value>utf8</value>), |
2609
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1557 <literal>Buffer</literal>, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1558 <literal>Unit8Array</literal>, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1559 or a number between 0 and 255. |
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 |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1562 <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
|
1563 <value>byteOffset</value>][, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1564 <value>encoding</value>])</literal></tag-name> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1565 <tag-desc> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1566 The same as |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1567 <link id="buf_indexof"><literal>buf.indexOf()</literal></link>, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1568 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
|
1569 instead of the first occurrence. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1570 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
|
1571 integer between 1 and 255. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1572 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
|
1573 <literal>byteOffset</literal> will be returned. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1574 </tag-desc> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1575 |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1576 <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
|
1577 <tag-desc> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1578 Returns the number of bytes in Buffer. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1579 </tag-desc> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1580 |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1581 <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
|
1582 <value>byteLength</value>)</literal></tag-name> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1583 <tag-desc> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1584 Reads the <value>byteLength</value> from <literal>buf</literal> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1585 at the specified <value>offset</value> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1586 and interprets the result as a big-endian, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1587 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
|
1588 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
|
1589 specifying the number of bytes to read. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1590 <para> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1591 The similar methods are also supported: |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1592 <literal>buf.readInt8([offset])</literal>, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1593 <literal>buf.readInt16BE([offset])</literal>, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1594 <literal>buf.readInt32BE([offset])</literal>. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1595 </para> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1596 </tag-desc> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1597 |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1598 <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
|
1599 <value>byteLength</value>)</literal></tag-name> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1600 <tag-desc> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1601 Reads the <value>byteLength</value> from <literal>buf</literal> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1602 at the specified <value>offset</value> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1603 and interprets the result as a little-endian, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1604 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
|
1605 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
|
1606 specifying the number of bytes to read. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1607 <para> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1608 The similar methods are also supported: |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1609 <literal>buf.readInt8([offset])</literal>, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1610 <literal>buf.readInt16LE([offset])</literal>, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1611 <literal>buf.readInt32LE([offset])</literal>. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1612 </para> |
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_readuintbe"><literal>buf.readUIntBE(<value>offset</value>, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1616 <value>byteLength</value>)</literal></tag-name> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1617 <tag-desc> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1618 Reads the <value>byteLength</value> from <literal>buf</literal> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1619 at the specified <value>offset</value> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1620 and interprets the result as a big-endian |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1621 integer supporting up to 48 bits of accuracy. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1622 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
|
1623 specifying the number of bytes to read. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1624 <para> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1625 The similar methods are also supported: |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1626 <literal>buf.readUInt8([offset])</literal>, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1627 <literal>buf.readUInt16BE([offset])</literal>, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1628 <literal>buf.readUInt32BE([offset])</literal>. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1629 </para> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1630 </tag-desc> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1631 |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1632 <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
|
1633 <value>byteLength</value>)</literal></tag-name> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1634 <tag-desc> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1635 Reads the <value>byteLength</value> from <literal>buf</literal> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1636 at the specified <value>offset</value> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1637 and interprets the result as a little-endian |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1638 integer supporting up to 48 bits of accuracy. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1639 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
|
1640 specifying the number of bytes to read. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1641 <para> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1642 The similar methods are also supported: |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1643 <literal>buf.readUInt8([offset])</literal>, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1644 <literal>buf.readUInt16LE([offset])</literal>, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1645 <literal>buf.readUInt32LE([offset])</literal>. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1646 </para> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1647 </tag-desc> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1648 |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1649 <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
|
1650 <tag-desc> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1651 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
|
1652 at the specified <value>offset</value>. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1653 </tag-desc> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1654 |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1655 <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
|
1656 <tag-desc> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1657 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
|
1658 at the specified <value>offset</value>. |
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_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
|
1662 <tag-desc> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1663 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
|
1664 at the specified <value>offset</value>. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1665 </tag-desc> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1666 |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1667 <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
|
1668 <tag-desc> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1669 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
|
1670 at the specified <value>offset</value>. |
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Yaroslav Zhuravlev <yar@nginx.com>
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|
1671 </tag-desc> |
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1672 |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1673 <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
|
1674 <value>end</value>]])</literal></tag-name> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1675 <tag-desc> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1676 Returns a new <literal>buf</literal> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1677 that references the same memory as the original, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1678 but offset and cropped by |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1679 <value>start</value> and <value>end</value>. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1680 If <value>end</value> is greater than |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1681 <link id="buf_length"><literal>buf.length</literal></link>, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1682 the same result as that of end equal to |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1683 <link id="buf_length"><literal>buf.length</literal></link> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1684 is returned. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1685 </tag-desc> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1686 |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1687 <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
|
1688 <value>end</value>]])</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 new <literal>buf</literal> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1691 that references the same memory as the original, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1692 but offset and cropped by the |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1693 <value>start</value> and <value>end</value> values. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1694 The method is not compatible with the |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1695 <literal>Uint8Array.prototype.slice()</literal>, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1696 which is a superclass of Buffer. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1697 To copy the slice, use |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1698 <literal>Uint8Array.prototype.slice()</literal>. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1699 </tag-desc> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1700 |
99bd2ae8d2be
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1701 <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
|
1702 <tag-desc> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1703 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
|
1704 and swaps the byte order in-place. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1705 Throws an error if |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1706 <link id="buf_length"><literal>buf.length</literal></link> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1707 is not a multiple of 2. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1708 </tag-desc> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1709 |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1710 <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
|
1711 <tag-desc> |
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Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1712 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
|
1713 and swaps the byte order in-place. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1714 Throws an error if |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1715 <link id="buf_length"><literal>buf.length</literal></link> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1716 is not a multiple of 4. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1717 </tag-desc> |
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Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
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|
1718 |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
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changeset
|
1719 <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
|
1720 <tag-desc> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
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|
1721 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
|
1722 and swaps byte order in-place. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1723 Throws an error if |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1724 <link id="buf_length"><literal>buf.length</literal></link> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1725 is not a multiple of 8. |
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
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1728 <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
|
1729 <tag-desc> |
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Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1730 Returns a JSON representation of <literal>buf.</literal> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1731 <literal>JSON.stringify()</literal> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1732 implicitly calls this function when stringifying a Buffer instance. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1733 </tag-desc> |
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Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1734 |
99bd2ae8d2be
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1735 <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
|
1736 <value>start</value>[, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1737 <value>end</value>]]])</literal></tag-name> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1738 <tag-desc> |
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Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1739 Decodes <literal>buf</literal> to a string |
2647
0085d9f7dc3f
Minor corrections in njs reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2631
diff
changeset
|
1740 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
|
1741 which can be <value>utf8</value>, |
2609
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1742 <value>hex</value>, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1743 <value>base64</value>, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1744 <value>base64url</value>. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1745 The <value>start</value> and <value>end</value> parameters |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1746 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
|
1747 </tag-desc> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1748 |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1749 <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
|
1750 <value>offset</value>[, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1751 <value>length</value>]][, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1752 <value>encoding</value>])</literal></tag-name> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1753 <tag-desc> |
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Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1754 Writes a <value>string</value> to <literal>buf</literal> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1755 at <value>offset</value> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1756 according to the character <value>encoding</value>. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1757 The <value>length</value> parameter is the number of bytes to write. |
99bd2ae8d2be
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1758 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
|
1759 only part of string will be written, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1760 however, partially encoded characters will not be written. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1761 The <value>encoding</value> can be |
2631
7da360f50017
Unified spelling of "utf-8" in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2630
diff
changeset
|
1762 <value>utf8</value>, |
2609
99bd2ae8d2be
Added Buffer to njs Reference.
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parents:
2605
diff
changeset
|
1763 <value>hex</value>, |
99bd2ae8d2be
Added Buffer to njs Reference.
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parents:
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diff
changeset
|
1764 <value>base64</value>, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1765 <value>base64url</value>. |
99bd2ae8d2be
Added Buffer to njs Reference.
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parents:
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diff
changeset
|
1766 </tag-desc> |
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changeset
|
1767 |
99bd2ae8d2be
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1768 <tag-name id="buf_writeintbe"><literal>buf.writeIntBE(<value>value</value>, |
99bd2ae8d2be
Added Buffer to njs Reference.
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parents:
2605
diff
changeset
|
1769 <value>offset</value>, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1770 <value>byteLength</value>)</literal></tag-name> |
99bd2ae8d2be
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parents:
2605
diff
changeset
|
1771 <tag-desc> |
99bd2ae8d2be
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parents:
2605
diff
changeset
|
1772 Writes <value>byteLength</value> bytes of <value>value</value> |
99bd2ae8d2be
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parents:
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diff
changeset
|
1773 to <literal>buf</literal> |
99bd2ae8d2be
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1774 at the specified <value>offset</value> as big-endian. |
99bd2ae8d2be
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1775 Supports up to 48 bits of accuracy. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1776 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
|
1777 specifying the number of bytes to read. |
99bd2ae8d2be
Added Buffer to njs Reference.
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parents:
2605
diff
changeset
|
1778 <para> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1779 The following similar methods are also supported: |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1780 <literal>buf.writeInt8</literal>, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1781 <literal>buf.writeInt16BE</literal>, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1782 <literal>buf.writeInt32BE</literal>. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1783 </para> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1784 </tag-desc> |
99bd2ae8d2be
Added Buffer to njs Reference.
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parents:
2605
diff
changeset
|
1785 |
99bd2ae8d2be
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parents:
2605
diff
changeset
|
1786 <tag-name id="buf_writeintle"><literal>buf.writeIntLE(<value>value</value>, |
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1787 <value>offset</value>, |
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|
1788 <value>byteLength</value>)</literal></tag-name> |
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|
1789 <tag-desc> |
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1790 Writes <value>byteLength</value> bytes of <value>value</value> |
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|
1791 to <literal>buf</literal> |
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1792 at the specified <value>offset</value> as little-endian. |
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1793 Supports up to 48 bits of accuracy. |
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|
1794 The <value>byteLength</value> parameter is an integer between 1 and 6 |
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|
1795 specifying the number of bytes to read. |
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|
1796 <para> |
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|
1797 The following similar methods are also supported: |
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|
1798 <literal>buf.writeInt8</literal>, |
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1799 <literal>buf.writeInt16LE</literal>, |
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|
1800 <literal>buf.writeInt32LE</literal>. |
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|
1801 </para> |
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|
1802 </tag-desc> |
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1803 |
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|
1804 <tag-name id="buf_writeuintbe"><literal>buf.writeUIntBE(<value>value</value>, |
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|
1805 <value>offset</value>, |
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1806 <value>byteLength</value>)</literal></tag-name> |
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1807 <tag-desc> |
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1808 Writes <value>byteLength</value> bytes of <value>value</value> |
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1809 to <literal>buf</literal> |
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1810 at the specified <value>offset</value> as big-endian. |
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|
1811 Supports up to 48 bits of accuracy. |
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|
1812 The <value>byteLength</value> parameter is an integer between 1 and 6 |
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1813 specifying the number of bytes to read. |
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|
1814 <para> |
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1815 The following similar methods are also supported: |
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|
1816 <literal>buf.writeUInt8</literal>, |
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1817 <literal>buf.writeUInt16BE</literal>, |
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|
1818 <literal>buf.writeUInt32BE</literal>. |
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|
1819 </para> |
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|
1820 </tag-desc> |
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|
1821 |
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1822 <tag-name id="buf_writeuintle"><literal>buf.writeUIntLE(<value>value</value>, |
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1823 <value>offset</value>, |
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1824 <value>byteLength</value>)</literal></tag-name> |
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1825 <tag-desc> |
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1826 Writes <value>byteLength</value> bytes of <value>value</value> |
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1827 to <literal>buf</literal> |
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1828 at the specified <value>offset</value> as little-endian. |
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1829 Supports up to 48 bits of accuracy. |
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1830 The <value>byteLength</value> parameter is an integer between 1 and 6 |
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1831 specifying the number of bytes to read. |
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|
1832 <para> |
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1833 The following similar methods are also supported: |
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1834 <literal>buf.writeUInt8</literal>, |
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1835 <literal>buf.writeUInt16LE</literal>, |
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1836 <literal>buf.writeUInt32LE</literal>. |
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|
1837 </para> |
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1838 </tag-desc> |
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|
1839 |
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1840 <tag-name id="buf_writedoublebe"><literal>buf.writeDoubleBE(<value>value</value>, |
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|
1841 [<value>offset</value>])</literal></tag-name> |
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1842 <tag-desc> |
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1843 Writes the <value>value</value> to <literal>buf</literal> |
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1844 at the specified <value>offset</value> as big-endian. |
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1845 </tag-desc> |
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|
1846 |
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1847 <tag-name id="buf_writedoublele"><literal>buf.writeDoubleLE(<value>value</value>, |
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|
1848 [<value>offset</value>])</literal></tag-name> |
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1849 <tag-desc> |
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1850 Writes the <value>value</value> to <literal>buf</literal> |
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1851 at the specified <value>offset</value> as little-endian. |
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|
1852 </tag-desc> |
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|
1853 |
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1854 <tag-name id="buf_writefloatbe"><literal>buf.writeFloatBE(<value>value</value>, |
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1855 [<value>offset</value>])</literal></tag-name> |
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1856 <tag-desc> |
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1857 Writes the <value>value</value> to <literal>buf</literal> |
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1858 at the specified <value>offset</value> as big-endian. |
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1859 </tag-desc> |
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|
1860 |
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1861 <tag-name id="buf_writefloatle"><literal>buf.writeFloatLE(<value>value</value>, |
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1862 [<value>offset</value>])</literal></tag-name> |
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1863 <tag-desc> |
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1864 Writes the <value>value</value> to <literal>buf</literal> |
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1865 at the specified <value>offset</value> as little-endian. |
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1866 </tag-desc> |
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1867 |
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1868 </list> |
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1869 </para> |
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|
1870 |
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1871 </section> |
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1872 |
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1873 |
2177 | 1874 <section id="crypto" name="Crypto"> |
1875 | |
1876 <para> | |
1877 The Crypto module provides cryptographic functionality support. | |
1878 The Crypto module object is returned by <literal>require('crypto')</literal>. | |
1879 </para> | |
1880 | |
1881 <para> | |
1882 <list type="tag"> | |
1883 | |
2267
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1884 <tag-name id="crypto_createhash"><literal>crypto.createHash(<value>algorithm</value>)</literal></tag-name> |
2177 | 1885 <tag-desc> |
1886 Creates and returns a <link id="crypto_hash">Hash</link> object | |
1887 that can be used to generate hash digests | |
1888 using the given <value>algorithm</value>. | |
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1889 The algorithm can be |
2177 | 1890 <literal>md5</literal>, |
1891 <literal>sha1</literal>, and | |
1892 <literal>sha256</literal>. | |
1893 </tag-desc> | |
1894 | |
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1895 <tag-name id="crypto_createhmac"><literal>crypto.createHmac(<value>algorithm</value>, |
2177 | 1896 <value>secret key</value>)</literal></tag-name> |
1897 <tag-desc> | |
2579
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1898 Creates and returns an <link id="crypto_hmac">HMAC</link> object that uses |
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1899 the given <value>algorithm</value> and <value>secret key</value>. |
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1900 The algorithm can be |
2177 | 1901 <literal>md5</literal>, |
1902 <literal>sha1</literal>, and | |
1903 <literal>sha256</literal>. | |
1904 </tag-desc> | |
1905 | |
1906 </list> | |
1907 </para> | |
1908 | |
1909 | |
1910 <section id="crypto_hash" name="Hash"> | |
1911 | |
1912 <para> | |
1913 <list type="tag"> | |
1914 | |
2601 | 1915 <tag-name id="crypto_hash_update"><literal>hash.update(<value>data</value>)</literal></tag-name> |
2177 | 1916 <tag-desc> |
1917 Updates the hash content with the given <value>data</value>. | |
1918 </tag-desc> | |
1919 | |
2601 | 1920 <tag-name id="crypto_hash_digest"><literal>hash.digest([<value>encoding</value>])</literal></tag-name> |
2177 | 1921 <tag-desc> |
1922 Calculates the digest of all of the data passed using | |
1923 <literal>hash.update()</literal>. | |
1924 The encoding can be | |
1925 <literal>hex</literal>, | |
1926 <literal>base64</literal>, and | |
1927 <literal>base64url</literal>. | |
2604
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1928 If encoding is not provided, a Buffer object |
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1929 (<link doc="changes.xml" id="njs0.4.4">0.4.4</link>) is returned. |
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1930 <note> |
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1931 Before version (<link doc="changes.xml" id="njs0.4.4">0.4.4</link>), |
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1932 a byte string was returned instead of a Buffer object. |
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1933 </note> |
2177 | 1934 </tag-desc> |
1935 | |
1936 </list> | |
1937 </para> | |
1938 | |
1939 <para> | |
1940 <example> | |
1941 >> var cr = require('crypto') | |
1942 undefined | |
1943 | |
1944 >> cr.createHash('sha1').update('A').update('B').digest('base64url') | |
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1945 'BtlFlCqiamG-GMPiK_GbvKjdK10' |
2177 | 1946 </example> |
1947 </para> | |
1948 | |
1949 </section> | |
1950 | |
1951 | |
1952 <section id="crypto_hmac" name="HMAC"> | |
1953 | |
1954 <para> | |
1955 <list type="tag"> | |
1956 | |
2601 | 1957 <tag-name id="crypto_hmac_update"><literal>hmac.update(<value>data</value>)</literal></tag-name> |
2177 | 1958 <tag-desc> |
1959 Updates the HMAC content with the given <value>data</value>. | |
1960 </tag-desc> | |
1961 | |
2601 | 1962 <tag-name id="crypto_hmac_digest"><literal>hmac.digest([<value>encoding</value>])</literal></tag-name> |
2177 | 1963 <tag-desc> |
1964 Calculates the HMAC digest of all of the data passed using | |
1965 <literal>hmac.update()</literal>. | |
1966 The encoding can be | |
1967 <literal>hex</literal>, | |
1968 <literal>base64</literal>, and | |
1969 <literal>base64url</literal>. | |
2604
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1970 If encoding is not provided, a Buffer object |
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1971 (<link doc="changes.xml" id="njs0.4.4">0.4.4</link>) is returned. |
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1972 <note> |
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1973 Before version <link doc="changes.xml" id="njs0.4.4">0.4.4</link>, |
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1974 a byte string was returned instead of a Buffer object. |
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1975 </note> |
2177 | 1976 </tag-desc> |
1977 </list> | |
1978 </para> | |
1979 | |
1980 <para> | |
1981 <example> | |
1982 >> var cr = require('crypto') | |
1983 undefined | |
1984 | |
1985 >> cr.createHmac('sha1', 'secret.key').update('AB').digest('base64url') | |
2214
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Added quotes to njs examples.
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1986 'Oglm93xn23_MkiaEq_e9u8zk374' |
2177 | 1987 </example> |
1988 </para> | |
1989 | |
1990 </section> | |
1991 | |
1992 </section> | |
1993 | |
2204
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1994 |
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1995 <section id="njs_api_fs" name="File System"> |
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1996 |
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|
1997 <para> |
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1998 The File System module provides operations with files. |
2507 | 1999 </para> |
2000 | |
2001 <para> | |
2204
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2002 The module object is returned by <literal>require('fs')</literal>. |
2508
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2003 Since <link doc="changes.xml" id="njs0.3.9">0.3.9</link>, |
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Language fixes in njs file system methods.
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2004 promissified versions of file system methods are available through |
2507 | 2005 <literal>require('fs').promises</literal> object: |
2006 <example> | |
2007 > var fs = require('fs').promises; | |
2008 undefined | |
2009 > fs.readFile("/file/path").then((data)=>console.log(data)) | |
2010 <file data> | |
2011 </example> | |
2204
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2012 <list type="tag"> |
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2013 |
2507 | 2014 <tag-name id="fs_accesssync"><literal>accessSync(<value>path</value>[, |
2015 <value>mode</value>])</literal></tag-name> | |
2016 <tag-desc> | |
2017 Synchronously tests permissions for a file or directory | |
2018 specified in the <literal>path</literal> | |
2019 (<link doc="changes.xml" id="njs0.3.9">0.3.9</link>). | |
2020 If the check fails, an error will be returned, | |
2021 otherwise, the method will return undefined. | |
2022 <list type="tag"> | |
2023 | |
2024 <tag-name><literal>mode</literal></tag-name> | |
2025 <tag-desc> | |
2026 by default is <link id="access_const"><literal>fs.constants.F_OK</literal></link>. | |
2027 The mode argument is an optional integer | |
2028 that specifies the accessibility checks to be performed. | |
2029 <example> | |
2030 try { | |
2031 fs.accessSync('/file/path', fs.constants.R_OK | fs.constants.W_OK); | |
2032 console.log('has access'); | |
2033 } catch (e) { | |
2034 console.log('no access');) | |
2035 } | |
2036 </example> | |
2037 </tag-desc> | |
2038 | |
2039 </list> | |
2040 </tag-desc> | |
2041 | |
2570
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|
2042 <tag-name id="fs_appendfilesync"><literal>appendFileSync(<value>filename</value>, |
2204
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2043 <value>data</value>[, <value>options</value>])</literal></tag-name> |
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2044 <tag-desc> |
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2045 Synchronously appends specified <literal>data</literal> |
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2046 to a file with provided <literal>filename</literal>. |
2604
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|
2047 The <literal>data</literal> is expected to be a string |
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|
2048 or a Buffer object (<link doc="changes.xml" id="njs0.4.4">0.4.4</link>). |
2204
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|
2049 If the file does not exist, it will be created. |
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2050 The <literal>options</literal> parameter is expected to be |
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|
2051 an object with the following keys: |
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|
2052 <list type="tag"> |
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2053 |
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|
2054 <tag-name><literal>mode</literal></tag-name> |
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2055 <tag-desc> |
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2056 mode option, by default is <literal>0o666</literal> |
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2057 </tag-desc> |
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|
2058 |
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|
2059 <tag-name><literal>flag</literal></tag-name> |
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2060 <tag-desc> |
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2061 file system <link id="njs_api_fs_flags">flag</link>, |
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2062 by default is <literal>a</literal> |
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2063 </tag-desc> |
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2064 |
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|
2065 </list> |
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2066 </tag-desc> |
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|
2067 |
2563
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|
2068 <tag-name id="fs_mkdirsync"><literal>mkdirSync(<value>path</value>[, |
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2069 <value>options</value>])</literal></tag-name> |
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|
2070 <tag-desc> |
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2071 Synchronously creates a directory at the specified <literal>path</literal> |
428a8cf1911b
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|
2072 (<link doc="changes.xml" id="njs0.4.2">0.4.2</link>). |
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|
2073 The <literal>options</literal> parameter is expected to be an |
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|
2074 <literal>integer</literal> that specifies |
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2075 the <link id="fs_mkdirsync_mode">mode</link>, |
428a8cf1911b
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|
2076 or an object with the following keys: |
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|
2077 <list type="tag"> |
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|
2078 |
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Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
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|
2079 <tag-name id="fs_mkdirsync_mode"><literal>mode</literal></tag-name> |
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|
2080 <tag-desc> |
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|
2081 mode option, by default is <literal>0o777</literal>. |
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|
2082 </tag-desc> |
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|
2083 |
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2084 </list> |
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|
2085 </tag-desc> |
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|
2086 |
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|
2087 <tag-name id="fs_readdirsync"><literal>readdirSync(<value>path</value>[, |
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|
2088 <value>options</value>])</literal></tag-name> |
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|
2089 <tag-desc> |
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2090 Synchronously reads the contents of a directory |
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|
2091 at the specified <literal>path</literal> |
428a8cf1911b
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|
2092 (<link doc="changes.xml" id="njs0.4.2">0.4.2</link>). |
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|
2093 The <literal>options</literal> parameter is expected to be |
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|
2094 a string that specifies <link id="fs_readdirsync_encoding">encoding</link> |
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|
2095 or an object with the following keys: |
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|
2096 <list type="tag"> |
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|
2097 |
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2098 <tag-name id="fs_readdirsync_encoding"><literal>encoding</literal></tag-name> |
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|
2099 <tag-desc> |
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2100 encoding, by default is <literal>utf8</literal>. |
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2101 The encoding can be <literal>utf8</literal> and <literal>buffer</literal> |
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2102 (<link doc="changes.xml" id="njs0.4.4">0.4.4</link>). |
2563
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2103 </tag-desc> |
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2104 |
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2105 <tag-name id="fs_readdirsync_withfiletypes"><literal>withFileTypes</literal></tag-name> |
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2106 <tag-desc> |
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2107 if set to <literal>true</literal>, the files array will contain |
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|
2108 <link id="fs_dirent"><literal>fs.Dirent</literal></link> objects, |
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2109 by default is <literal>false</literal>. |
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2110 </tag-desc> |
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2111 |
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2112 </list> |
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2113 </tag-desc> |
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2114 |
2570
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|
2115 <tag-name id="fs_readfilesync"><literal>readFileSync(<value>filename</value>[, |
2204
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2116 <value>options</value>])</literal></tag-name> |
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2117 <tag-desc> |
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2118 Synchronously returns the contents of the file |
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Documented fileSystem methods in njs.
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diff
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|
2119 with provided <literal>filename</literal>. |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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2120 The <literal>options</literal> parameter holds |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
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|
2121 <literal>string</literal> that specifies encoding. |
2604
a29676472a11
Added Buffer object info to some njs methods.
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parents:
2601
diff
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|
2122 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
|
2123 otherwise, a Buffer object |
a29676472a11
Added Buffer object info to some njs methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2601
diff
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|
2124 (<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
|
2125 <note> |
a29676472a11
Added Buffer object info to some njs methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2601
diff
changeset
|
2126 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
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|
2127 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
|
2128 if encoding was not specified. |
a29676472a11
Added Buffer object info to some njs methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2601
diff
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|
2129 </note> |
2204
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
2130 Otherwise, <literal>options</literal> is expected to be |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
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|
2131 an object with the following keys: |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
2132 <list type="tag"> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
2133 |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
2134 <tag-name><literal>encoding</literal></tag-name> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
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|
2135 <tag-desc> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
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|
2136 encoding, by default is not specified. |
2604
a29676472a11
Added Buffer object info to some njs methods.
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parents:
2601
diff
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|
2137 The encoding can be <literal>utf8</literal>, |
a29676472a11
Added Buffer object info to some njs methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
2138 <literal>hex</literal> |
a29676472a11
Added Buffer object info to some njs methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2601
diff
changeset
|
2139 (<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
|
2140 <literal>base64</literal> |
a29676472a11
Added Buffer object info to some njs methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2601
diff
changeset
|
2141 (<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
|
2142 <literal>base64url</literal> |
a29676472a11
Added Buffer object info to some njs methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2601
diff
changeset
|
2143 (<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:
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diff
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|
2144 </tag-desc> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2145 |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2146 <tag-name><literal>flag</literal></tag-name> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
2147 <tag-desc> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
2148 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
|
2149 by default is <literal>r</literal> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
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|
2150 </tag-desc> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2151 |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2152 </list> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2153 <example> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
2154 >> var fs = require('fs') |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2155 undefined |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2156 >> var file = fs.readFileSync('/file/path.tar.gz') |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2157 undefined |
2604
a29676472a11
Added Buffer object info to some njs methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2601
diff
changeset
|
2158 >> 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
|
2159 true |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2160 </example> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
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|
2161 </tag-desc> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2162 |
2507 | 2163 <tag-name id="fs_realpathsync"><literal>realpathSync(<value>path</value>[, |
2164 <value>options</value>])</literal></tag-name> | |
2165 <tag-desc> | |
2166 Synchronously computes the canonical pathname by resolving | |
2167 <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
|
2168 <link url="http://man7.org/linux/man-pages/man3/realpath.3.html">realpath(3)</link>. |
2507 | 2169 The <literal>options</literal> argument can be a string specifying an encoding, |
2170 or an object with an encoding property specifying the character encoding | |
2171 to use for the path passed to the callback | |
2172 (<link doc="changes.xml" id="njs0.3.9">0.3.9</link>). | |
2173 </tag-desc> | |
2174 | |
2509
827a6d7fe108
Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2508
diff
changeset
|
2175 <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
|
2176 <value>newPath</value>)</literal></tag-name> |
827a6d7fe108
Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2508
diff
changeset
|
2177 <tag-desc> |
827a6d7fe108
Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2508
diff
changeset
|
2178 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
|
2179 <literal>oldPath</literal> to <literal>newPath</literal> |
827a6d7fe108
Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2508
diff
changeset
|
2180 (<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
|
2181 <example> |
827a6d7fe108
Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2508
diff
changeset
|
2182 >> var fs = require('fs') |
827a6d7fe108
Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2508
diff
changeset
|
2183 undefined |
827a6d7fe108
Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2508
diff
changeset
|
2184 >> var file = fs.renameSync('hello.txt', 'HelloWorld.txt') |
827a6d7fe108
Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2508
diff
changeset
|
2185 undefined |
827a6d7fe108
Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2508
diff
changeset
|
2186 </example> |
827a6d7fe108
Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2508
diff
changeset
|
2187 </tag-desc> |
827a6d7fe108
Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2508
diff
changeset
|
2188 |
2563
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
2189 <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
|
2190 <tag-desc> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
2191 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
|
2192 (<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
|
2193 </tag-desc> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
2194 |
2509
827a6d7fe108
Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2508
diff
changeset
|
2195 <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
|
2196 <value>path</value>)</literal></tag-name> |
827a6d7fe108
Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2508
diff
changeset
|
2197 <tag-desc> |
827a6d7fe108
Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2508
diff
changeset
|
2198 Synchronously creates the link called <literal>path</literal> |
827a6d7fe108
Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2508
diff
changeset
|
2199 pointing to <literal>target</literal> using |
827a6d7fe108
Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2508
diff
changeset
|
2200 <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
|
2201 (<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
|
2202 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
|
2203 </tag-desc> |
827a6d7fe108
Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2508
diff
changeset
|
2204 |
827a6d7fe108
Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2508
diff
changeset
|
2205 <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
|
2206 <tag-desc> |
827a6d7fe108
Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2508
diff
changeset
|
2207 Synchronously unlinks a file by <literal>path</literal> |
827a6d7fe108
Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2508
diff
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|
2208 (<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
|
2209 </tag-desc> |
827a6d7fe108
Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2508
diff
changeset
|
2210 |
2570
44792f1ee284
Added IDs to methods in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2569
diff
changeset
|
2211 <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
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|
2212 <value>data</value>[, |
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Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2213 <value>options</value>])</literal></tag-name> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
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|
2214 <tag-desc> |
001f2d905fd9
Documented fileSystem methods in njs.
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2203
diff
changeset
|
2215 Synchronously writes <literal>data</literal> to a file |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2216 with provided <literal>filename</literal>. |
2604
a29676472a11
Added Buffer object info to some njs methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2601
diff
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|
2217 The <literal>data</literal> is expected to be a string |
a29676472a11
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
2601
diff
changeset
|
2218 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
|
2219 If the file does not exist, it will be created, |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
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|
2220 if the file exists, it will be replaced. |
001f2d905fd9
Documented fileSystem methods in njs.
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parents:
2203
diff
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|
2221 The <literal>options</literal> parameter is expected to be |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
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|
2222 an object with the following keys: |
001f2d905fd9
Documented fileSystem methods in njs.
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parents:
2203
diff
changeset
|
2223 <list type="tag"> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
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2203
diff
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|
2224 <tag-name><literal>mode</literal></tag-name> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
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|
2225 <tag-desc> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
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|
2226 mode option, by default is <literal>0o666</literal> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
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|
2227 </tag-desc> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
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2203
diff
changeset
|
2228 |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2229 <tag-name><literal>flag</literal></tag-name> |
001f2d905fd9
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2203
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|
2230 <tag-desc> |
001f2d905fd9
Documented fileSystem methods in njs.
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2203
diff
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|
2231 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
|
2232 by default is <literal>w</literal> |
001f2d905fd9
Documented fileSystem methods in njs.
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parents:
2203
diff
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|
2233 </tag-desc> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
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|
2234 |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2235 </list> |
001f2d905fd9
Documented fileSystem methods in njs.
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|
2236 <example> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
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|
2237 >> var fs = require('fs') |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
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|
2238 undefined |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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|
2239 >> var file = fs.writeFileSync('hello.txt', 'Hello world') |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
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|
2240 undefined |
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Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
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|
2241 </example> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
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|
2242 </tag-desc> |
001f2d905fd9
Documented fileSystem methods in njs.
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|
2243 |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
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|
2244 </list> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
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|
2245 </para> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
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|
2246 |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
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|
2247 |
2563
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Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
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|
2248 <section id="fs_dirent" name="fs.Dirent"> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
2249 |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
2250 <para> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
2251 <literal>fs.Dirent</literal> is a representation of a directory entry— |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
2252 a file or a subdirectory. |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
2253 When |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
2254 <link id="fs_readdirsync"><literal>readdirSync()</literal></link> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
2255 is called with the |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
2256 <link id="fs_readdirsync_withfiletypes"><literal>withFileTypes</literal></link> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
2257 option, |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
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|
2258 the resulting array contains <literal>fs.Dirent</literal> objects. |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
2259 |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
2260 <list type= "bullet" compact="no"> |
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Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
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|
2261 |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
2262 <listitem> |
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Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
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|
2263 <literal>dirent.isBlockDevice()</literal>—returns |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
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|
2264 <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>
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diff
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|
2265 a block device. |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
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|
2266 </listitem> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
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diff
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|
2267 |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
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|
2268 <listitem> |
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|
2269 <literal>dirent.isCharacterDevice()</literal>—returns |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
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diff
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|
2270 <literal>true</literal> if the <literal>fs.Dirent</literal> object describes |
428a8cf1911b
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diff
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|
2271 a character device. |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
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|
2272 </listitem> |
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diff
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|
2273 |
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Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
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|
2274 <listitem> |
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|
2275 <literal>dirent.isDirectory()</literal>—returns |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
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diff
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|
2276 <literal>true</literal> if the <literal>fs.Dirent</literal> object describes |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
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diff
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|
2277 a file system directory. |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
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|
2278 </listitem> |
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Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
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diff
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|
2279 |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
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diff
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|
2280 <listitem> |
428a8cf1911b
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Yaroslav Zhuravlev <yar@nginx.com>
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diff
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|
2281 <literal>dirent.isFIFO()</literal>—returns |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
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|
2282 <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
|
2283 a first-in-first-out (FIFO) pipe. |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
2284 </listitem> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
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|
2285 |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
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|
2286 <listitem> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
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|
2287 <literal>dirent.isFile()</literal>—returns |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
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2546
diff
changeset
|
2288 <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:
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diff
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|
2289 a regular file. |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
2290 </listitem> |
428a8cf1911b
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
2291 |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
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|
2292 <listitem> |
428a8cf1911b
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Yaroslav Zhuravlev <yar@nginx.com>
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diff
changeset
|
2293 <literal>dirent.isSocket()</literal>—returns |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
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|
2294 <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:
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diff
changeset
|
2295 a socket. |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
2296 </listitem> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
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|
2297 |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
2298 <listitem> |
428a8cf1911b
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Yaroslav Zhuravlev <yar@nginx.com>
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diff
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|
2299 <literal>dirent.isSymbolicLink()</literal>—returns |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
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|
2300 <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:
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diff
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|
2301 a symbolic link. |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
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|
2302 </listitem> |
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Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
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diff
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|
2303 |
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Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
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|
2304 <listitem> |
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diff
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|
2305 <literal>dirent.name</literal>— |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
2306 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>
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|
2307 </listitem> |
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Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
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diff
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|
2308 |
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Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
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diff
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|
2309 </list> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
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diff
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|
2310 </para> |
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Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
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|
2311 |
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Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
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diff
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|
2312 </section> |
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|
2313 |
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Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
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|
2314 |
2507 | 2315 <section id="access_const" name="File Access Constants"> |
2316 | |
2317 <para> | |
2318 The <link id="fs_accesssync"><literal>access()</literal></link> method | |
2319 can accept the following flags. | |
2320 These flags are exported by <literal>fs.constants</literal>: | |
2321 | |
2322 <list type= "bullet" compact="no"> | |
2323 | |
2324 <listitem> | |
2325 <literal>F_OK</literal>—indicates that the file | |
2326 is visible to the calling process, | |
2327 used by default if no mode is specified | |
2328 </listitem> | |
2329 | |
2330 <listitem> | |
2331 <literal>R_OK</literal>—indicates that the file can be | |
2332 read by the calling process | |
2333 </listitem> | |
2334 | |
2335 <listitem> | |
2336 <literal>W_OK</literal>—indicates that the file can be | |
2337 written by the calling process | |
2338 </listitem> | |
2339 | |
2340 <listitem> | |
2341 <literal>X_OK</literal>—indicates that the file can be | |
2342 executed by the calling process | |
2343 </listitem> | |
2344 | |
2345 </list> | |
2346 </para> | |
2347 | |
2348 </section> | |
2349 | |
2350 | |
2204
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2351 <section id="njs_api_fs_flags" name="File System Flags"> |
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2352 |
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|
2353 <para> |
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2354 The <literal>flag</literal> option can accept the following values: |
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|
2355 |
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|
2356 <list type= "bullet" compact="no"> |
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|
2357 |
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|
2358 <listitem> |
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2359 <literal>a</literal>—open a file for appending. |
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2360 The file is created if it does not exist |
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|
2361 </listitem> |
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|
2362 |
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|
2363 <listitem> |
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|
2364 <literal>ax</literal>—the same as <literal>a</literal> |
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2365 but fails if the file already exists |
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|
2366 </listitem> |
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|
2367 |
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|
2368 <listitem> |
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|
2369 <literal>a+</literal>—open a file for reading and appending. |
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|
2370 If the file does not exist, it will be created |
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2371 </listitem> |
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diff
changeset
|
2372 |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2373 <listitem> |
2579
63cef7604e0d
Minor review of njs Reference for typos and style.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2578
diff
changeset
|
2374 <literal>ax+</literal>—the same as <literal>a+</literal> |
2204
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2375 but fails if the file already exists |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2376 </listitem> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2377 |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2378 <listitem> |
2579
63cef7604e0d
Minor review of njs Reference for typos and style.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2578
diff
changeset
|
2379 <literal>as</literal>—open a file for appending |
63cef7604e0d
Minor review of njs Reference for typos and style.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2578
diff
changeset
|
2380 in synchronous mode. |
2204
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2381 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
|
2382 </listitem> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2383 |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2384 <listitem> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2385 <literal>as+</literal>—open a file for reading and appending |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2386 in synchronous mode. |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2387 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
|
2388 </listitem> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2389 |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2390 <listitem> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2391 <literal>r</literal>—open a file for reading. |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2392 An exception occurs if the file does not exist |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2393 </listitem> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2394 |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2395 <listitem> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2396 <literal>r+</literal>—open a file for reading and writing. |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2397 An exception occurs if the file does not exist |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2398 </listitem> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2399 |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2400 <listitem> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2401 <literal>rs+</literal>—open a file for reading and writing |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2402 in synchronous mode. |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2403 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
|
2404 </listitem> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2405 |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2406 <listitem> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2407 <literal>w</literal>—open a file for writing. |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2408 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
|
2409 If the file exists, it will be replaced |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2410 </listitem> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2411 |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2412 <listitem> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2413 <literal>wx</literal>—the same as <literal>w</literal> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2414 but fails if the file already exists |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2415 </listitem> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2416 |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2417 <listitem> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2418 <literal>w+</literal>—open a file for reading and writing. |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2419 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
|
2420 If the file exists, it will be replaced |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2421 </listitem> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2422 |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2423 <listitem> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2424 <literal>wx+</literal>—the same as <literal>w+</literal> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2425 but fails if the file already exists |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2426 </listitem> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2427 |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2428 </list> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2429 </para> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2430 |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2431 </section> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2432 |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2433 </section> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2434 |
2583
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2435 |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2436 <section id="querystring" name="Query String"> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2437 |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2438 <para> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2439 The Query String module provides support |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2440 for parsing and formatting URL query strings |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2441 (<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
|
2442 The Query String module object is returned by |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2443 <literal>require('querystring')</literal>. |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2444 </para> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2445 |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2446 <para> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2447 <list type="tag"> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2448 |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2449 <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
|
2450 <tag-desc> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2451 is an alias for |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2452 <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
|
2453 </tag-desc> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2454 |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2455 <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
|
2456 <tag-desc> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2457 is an alias for |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2458 <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
|
2459 </tag-desc> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2460 |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2461 <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
|
2462 <tag-desc> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2463 <para> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2464 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
|
2465 returns an escaped query string. |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2466 The method is used by |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2467 <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
|
2468 and should not be used directly. |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2469 </para> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2470 </tag-desc> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2471 |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2472 <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
|
2473 <value>separator</value>[, |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2474 <value>equal</value>[, |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2475 <value>options</value>]]])</literal></tag-name> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2476 <tag-desc> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2477 <para> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2478 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
|
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 The <literal>separator</literal> parameter is a substring |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2483 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
|
2484 by default is “<literal>&</literal>”. |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2485 </para> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2486 |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2487 <para> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2488 The <literal>equal</literal> parameter is a substring |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2489 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
|
2490 by default is “<literal>=</literal>”. |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2491 </para> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2492 |
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 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
|
2495 an object with the following keys: |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2496 <list type="tag"> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
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|
2497 <tag-name><literal>decodeURIComponent</literal> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2498 <value>function</value></tag-name> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2499 <tag-desc> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2500 Function used |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2501 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
|
2502 by default is |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2503 <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
|
2504 </tag-desc> |
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 <tag-name><literal>maxKeys</literal> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2507 <value>number</value></tag-name> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2508 <tag-desc> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2509 the maximum number of keys to parse, |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2510 by default is <literal>1000</literal>. |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2511 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
|
2512 </tag-desc> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2513 |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2514 </list> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2515 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
|
2516 to use the UTF-8 encoding, |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2517 invalid UTF-8 sequences will be replaced with |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2518 the <literal>U+FFFD</literal> replacement character. |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2519 </para> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2520 |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2521 <para> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2522 For example, for the following query string |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2523 <example> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2524 'foo=bar&abc=xyz&abc=123' |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2525 </example> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2526 the output will be: |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2527 <example> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2528 { |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2529 foo: 'bar', |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2530 abc: ['xyz', '123'] |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2531 } |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2532 </example> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2533 </para> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2534 |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2535 </tag-desc> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2536 |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2537 <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
|
2538 <value>separator</value>[, |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2539 <value>equal</value>[, |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2540 <value>options</value>]]])</literal></tag-name> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2541 <tag-desc> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2542 <para> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2543 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
|
2544 </para> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2545 |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2546 <para> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2547 The <literal>separator</literal> parameter is a substring |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2548 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
|
2549 by default is “<literal>&</literal>”. |
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 <para> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2553 The <literal>equal</literal> parameter is a substring |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2554 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
|
2555 by default is “<literal>=</literal>”. |
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 |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2558 <para> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2559 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
|
2560 an object with the following keys: |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2561 <list type="tag"> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2562 <tag-name><literal>encodeURIComponent</literal> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2563 <value>function</value></tag-name> |
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 The function to use when converting |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2566 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
|
2567 by default is |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2568 <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
|
2569 </tag-desc> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2570 |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2571 </list> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2572 </para> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2573 |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2574 <para> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2575 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
|
2576 are encoded as UTF-8. |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2577 If other encoding is required, then |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2578 <literal>encodeURIComponent</literal> option should be specified. |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2579 </para> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2580 |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2581 <para> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2582 For example, for the following command |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2583 <example> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2584 querystring.stringify({ foo: 'bar', baz: ['qux', 'quux'], 123: '' }); |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2585 </example> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2586 the query string will be: |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2587 <example> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2588 'foo=bar&baz=qux&baz=quux&123=' |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
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|
2589 </example> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2590 </para> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2591 |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2592 </tag-desc> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2593 |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2594 <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
|
2595 <tag-desc> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2596 <para> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2597 Performs decoding of URL percent-encoded characters |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2598 of the <literal>string</literal>, |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2599 returns an unescaped query string. |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2600 The method is used by |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2601 <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
|
2602 and should not be used directly. |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2603 </para> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2604 </tag-desc> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2605 |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2606 </list> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
2607 </para> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2608 |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
2609 </section> |
cd97adddd757
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
2610 |
2176 | 2611 </section> |
2612 | |
2175
cd4889fdcfa4
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Yaroslav Zhuravlev <yar@nginx.com>
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|
2613 </article> |