annotate xml/en/docs/njs/reference.xml @ 2344:ea8ccaac18b4

Added default values for r.subrequest options in njs.
author Yaroslav Zhuravlev <yar@nginx.com>
date Fri, 01 Mar 2019 19:04:02 +0300
parents 537130c40c1f
children 5e17930672f5
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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="24">
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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 </section>
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22
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23
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24 <section id="http_stream" name="nginx objects">
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25
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26
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27 <section id="http" name="HTTP Request">
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28
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29 <para>
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30 The HTTP request object is available only in the
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31 <link doc="../http/ngx_http_js_module.xml">ngx_http_js_module</link> module.
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32 All string properties of the object are <link id="string">byte strings</link>.
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33
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34 <list type="tag">
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35
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36 <tag-name><literal>r.args{}</literal></tag-name>
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37 <tag-desc>
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38 request arguments object, read-only
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39 </tag-desc>
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40
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41 <tag-name><literal>r.error(<value>string</value>)</literal></tag-name>
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42 <tag-desc>
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43 writes a <literal>string</literal> to the error log
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44 on the <literal>error</literal> level of logging
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45 </tag-desc>
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46
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47 <tag-name><literal>r.finish()</literal></tag-name>
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48 <tag-desc>
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49 finishes sending a response to the client
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50 </tag-desc>
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51
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52 <tag-name><literal>r.headersIn{}</literal></tag-name>
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53 <tag-desc>
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54 incoming headers object, read-only.
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55 <para>
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56 For example, the <literal>Foo</literal> header
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57 can be accessed with the syntax <literal>headersIn.foo</literal>
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58 or <literal>headersIn['Foo']</literal>
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59 </para>
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60 </tag-desc>
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61
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62 <tag-name id="r_headers_out"><literal>r.headersOut{}</literal></tag-name>
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63 <tag-desc>
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64 outgoing headers object, writable.
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65 <para>
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66 For example, the <literal>Foo</literal> header
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67 can be accessed with the syntax <literal>headersOut.foo</literal>
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68 or <literal>headersOut['Foo']</literal>
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69 </para>
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70 </tag-desc>
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71
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72 <tag-name><literal>r.httpVersion</literal></tag-name>
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73 <tag-desc>
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74 HTTP version, read-only
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75 </tag-desc>
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76
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77 <tag-name><literal>r.log(<value>string</value>)</literal></tag-name>
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78 <tag-desc>
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79 writes a <literal>string</literal> to the error log
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80 on the <literal>info</literal> level of logging
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81 </tag-desc>
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82
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83 <tag-name id="r_internal_redirect"><literal>r.internalRedirect(<value>uri</value>)</literal></tag-name>
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84 <tag-desc>
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85 performs an internal redirect to the specified <literal>uri</literal>.
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86 If the uri starts with the “<literal>@</literal>” prefix,
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87 it is considered a named location.
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88 </tag-desc>
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89
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90 <tag-name><literal>r.method</literal></tag-name>
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91 <tag-desc>
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92 HTTP method, read-only
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93 </tag-desc>
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94
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95 <tag-name><literal>r.parent</literal></tag-name>
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96 <tag-desc>
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97 references the parent request object
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98 </tag-desc>
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99
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100 <tag-name><literal>r.remoteAddress</literal></tag-name>
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101 <tag-desc>
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102 client address, read-only
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103 </tag-desc>
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104
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105 <tag-name id="r_request_body"><literal>r.requestBody</literal></tag-name>
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106 <tag-desc>
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107 returns the client request body if it has not been
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108 written to a temporary file.
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109 To ensure that the client request body is in memory,
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110 its size should be limited by
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111 <link doc="../http/ngx_http_core_module.xml" id="client_max_body_size"/>,
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112 and a sufficient buffer size should be set using
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113 <link doc="../http/ngx_http_core_module.xml" id="client_body_buffer_size"/>.
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114 </tag-desc>
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115
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116 <tag-name><literal>r.responseBody</literal></tag-name>
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117 <tag-desc>
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118 holds the <link id="subrequest">subrequest</link> response body, read-only.
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119 The size of <literal>r.responseBody</literal> is limited by the
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120 <link doc="../http/ngx_http_core_module.xml" id="subrequest_output_buffer_size"/>
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121 directive.
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122 </tag-desc>
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123
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124 <tag-name><literal>r.return(status[, string])</literal></tag-name>
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125 <tag-desc>
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126 sends the entire response
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127 with the specified <literal>status</literal> to the client
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128 <para>
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129 It is possible to specify either a redirect URL
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130 (for codes 301, 302, 303, 307, and 308)
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131 or the response body text (for other codes) as the second argument
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132 </para>
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133 </tag-desc>
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134
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135 <tag-name><literal>r.send(<value>string</value>)</literal></tag-name>
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136 <tag-desc>
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137 sends a part of the response body to the client
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138 </tag-desc>
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139
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140 <tag-name><literal>r.sendHeader()</literal></tag-name>
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141 <tag-desc>
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142 sends the HTTP headers to the client
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143 </tag-desc>
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144
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145 <tag-name><literal>r.status</literal></tag-name>
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146 <tag-desc>
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147 status, writable
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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148 </tag-desc>
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149
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150 <tag-name id="r_variables"><literal>r.variables{}</literal></tag-name>
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151 <tag-desc>
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152 nginx variables object,
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153 writable (since <link doc="changes.xml" id="njs0.2.8">0.2.8</link>)
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154 </tag-desc>
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155
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156 <tag-name><literal>r.warn(<value>string</value>)</literal></tag-name>
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157 <tag-desc>
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158 writes a <literal>string</literal> to the error log
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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159 on the <literal>warning</literal> level of logging
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160 </tag-desc>
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161
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162 <tag-name><literal>r.uri</literal></tag-name>
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163 <tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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164 current URI, read-only
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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165 </tag-desc>
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166
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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167 <tag-name id="subrequest"><literal>r.subrequest(<value>uri</value>[,
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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168 <value>options</value>[, <value>callback</value>]])</literal></tag-name>
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169 <tag-desc>
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170 creates a subrequest with the given <literal>uri</literal> and
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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171 <literal>options</literal>, and installs
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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172 an optional completion <literal>callback</literal>.
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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173
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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174 <para>
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175 A
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176 <link doc="../dev/development_guide.xml.xml" id="http_subrequests">subrequest</link>
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177 shares its input headers with the client request.
537130c40c1f Updated r.subrequest desctiption in njs.
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178 To send headers different from original headers to a proxied server, the
537130c40c1f Updated r.subrequest desctiption in njs.
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179 <link doc="../http/ngx_http_proxy_module.xml" id="proxy_set_header"/>
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180 directive can be used.
537130c40c1f Updated r.subrequest desctiption in njs.
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181 To send a completely new set of headers to a proxied server, the
537130c40c1f Updated r.subrequest desctiption in njs.
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182 <link doc="../http/ngx_http_proxy_module.xml" id="proxy_pass_request_headers"/>
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183 directive can be used.
537130c40c1f Updated r.subrequest desctiption in njs.
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184 </para>
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185
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186 <para>
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187 If <literal>options</literal> is a string, then it
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188 holds the subrequest arguments string.
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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189 Otherwise, <literal>options</literal> is expected to be
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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190 an object with the following keys:
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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191 <list type="tag">
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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192 <tag-name><literal>args</literal></tag-name>
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193 <tag-desc>
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194 arguments string, by default an empty string is used
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195 </tag-desc>
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196 <tag-name><literal>body</literal></tag-name>
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197 <tag-desc>
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198 request body,
ea8ccaac18b4 Added default values for r.subrequest options in njs.
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199 by default the request body of the parent request object is used
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200 </tag-desc>
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201
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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202 <tag-name><literal>method</literal></tag-name>
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203 <tag-desc>
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204 HTTP method, by default the <literal>GET</literal> method is used
2247
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205 </tag-desc>
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206
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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207 </list>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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208 </para>
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209
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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210 <para>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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211 The completion <literal>callback</literal> receives
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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212 a subrequest response object with methods and properties
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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diff changeset
213 identical to the parent request object.
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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214 </para>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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215 </tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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diff changeset
216
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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diff changeset
217 </list>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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218 </para>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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219
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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diff changeset
220 </section>
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221
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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222
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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diff changeset
223 <section id="stream" name="Stream Session">
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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diff changeset
224
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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diff changeset
225 <para>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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diff changeset
226 The stream session object is available only in the
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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diff changeset
227 <link doc="../stream/ngx_stream_js_module.xml">ngx_stream_js_module</link>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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diff changeset
228 module.
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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diff changeset
229 All string properties of the object are <link id="string">byte strings</link>.
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230 </para>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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231
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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diff changeset
232 <para>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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diff changeset
233 <list type="tag">
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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diff changeset
234
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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diff changeset
235 <tag-name id="s_allow"><literal>s.allow()</literal></tag-name>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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236 <tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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diff changeset
237 successfully finalizes the phase handler
2337
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diff changeset
238 (<link doc="changes.xml" id="njs0.2.4">0.2.4</link>)
2247
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diff changeset
239 </tag-desc>
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diff changeset
240
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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diff changeset
241 <tag-name id="s_decline"><literal>s.decline()</literal></tag-name>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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diff changeset
242 <tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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diff changeset
243 finalizes the phase handler and passes control to the next handler
2337
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diff changeset
244 (<link doc="changes.xml" id="njs0.2.4">0.2.4</link>)
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245 </tag-desc>
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diff changeset
246
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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diff changeset
247 <tag-name id="s_deny"><literal>s.deny()</literal></tag-name>
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248 <tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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diff changeset
249 finalizes the phase handler with the access error code
2337
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diff changeset
250 (<link doc="changes.xml" id="njs0.2.4">0.2.4</link>)
2247
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251 </tag-desc>
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diff changeset
252
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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diff changeset
253 <tag-name id="s_done"><literal>s.done</literal>(<value>[code]</value>)</tag-name>
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254 <tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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diff changeset
255 successfully finalizes the current phase handler
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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256 or finalizes it with the specified numeric code
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257 (<link doc="changes.xml" id="njs0.2.4">0.2.4</link>).
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258 </tag-desc>
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259
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260 <tag-name><literal>s.error(<value>string</value>)</literal></tag-name>
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261 <tag-desc>
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262 writes a sent <literal>string</literal> to the error log
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263 on the <literal>error</literal> level of logging
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264 </tag-desc>
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265
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266 <tag-name><literal>s.log(<value>string</value>)</literal></tag-name>
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267 <tag-desc>
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268 writes a sent <value>string</value> to the error log
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269 on the <literal>info</literal> level of logging
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270 </tag-desc>
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271
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272 <tag-name id="s_off"><literal>s.off(<value>eventName</value>)</literal></tag-name>
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273 <tag-desc>
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274 unregisters the callback set by the <link id="s_on">s.on()</link> method
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275 (<link doc="changes.xml" id="njs0.2.4">0.2.4</link>)
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276 </tag-desc>
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277
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278 <tag-name id="s_on"><literal>s.on(<value>event</value>,
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279 <value>callback</value>)</literal></tag-name>
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280 <tag-desc>
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281 registers a <literal>callback</literal> for the specified <literal>event</literal>
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282 (<link doc="changes.xml" id="njs0.2.4">0.2.4</link>).
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283
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284 <para>
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285 An <literal>event</literal> may be one of the following strings:
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286 <list type="tag">
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287 <tag-name><literal>upload</literal></tag-name>
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288 <tag-desc>
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289 new data from a client
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290 </tag-desc>
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291
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292 <tag-name><literal>download</literal></tag-name>
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293 <tag-desc>
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294 new data to a client
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295 </tag-desc>
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296
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297 </list>
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298 </para>
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299
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300 <para>
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301 The completion callback has the following prototype:
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302 <literal>callback(data, flags)</literal>, where
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303 <literal>data</literal> is string,
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304 <literal>flags</literal> is an object
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305 with the following properties:
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306 <list type="tag">
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307 <tag-name id="s_on_callback_last"><literal>last</literal></tag-name>
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308 <tag-desc>
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309 a boolean value, true if data is a last buffer.
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310 </tag-desc>
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311
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312 </list>
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313 </para>
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314 </tag-desc>
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315
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316 <tag-name><literal>s.remoteAddress</literal></tag-name>
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317 <tag-desc>
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318 client address, read-only
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319 </tag-desc>
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320
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321 <tag-name id="s_send"><literal>s.send(<value>data</value>[,
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322 <value>options</value>])</literal></tag-name>
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323 <tag-desc>
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324 sends the data to the client
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325 (<link doc="changes.xml" id="njs0.2.4">0.2.4</link>).
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326 The <literal>options</literal> is an object used
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327 to override nginx buffer flags derived from an incoming data chunk buffer.
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328 The flags can be overriden with the following flags:
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329 <para>
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330 <list type="tag">
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331
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332 <tag-name><literal>last</literal></tag-name>
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333 <tag-desc>
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334 boolean, true if the buffer is the last buffer
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335 </tag-desc>
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336
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337 <tag-name><literal>flush</literal></tag-name>
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338 <tag-desc>
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339 boolean, true if the buffer should have the <literal>flush</literal> flag
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340 </tag-desc>
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341 </list>
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342 </para>
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343 The method can be called multiple times per callback invocation.
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344 </tag-desc>
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345
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346 <tag-name id="s_variables"><literal>s.variables{}</literal></tag-name>
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347 <tag-desc>
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348 nginx variables object, writable
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349 (since <link doc="changes.xml" id="njs0.2.8">0.2.8</link>)
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350 </tag-desc>
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351
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352 <tag-name><literal>s.warn(<value>string</value>)</literal></tag-name>
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353 <tag-desc>
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354 writes a sent <literal>string</literal> to the error log
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355 on the <literal>warning</literal> level of logging
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diff changeset
356 </tag-desc>
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357
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358 </list>
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359 </para>
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360
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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361 </section>
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362
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363 </section>
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364
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diff changeset
365
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366 <section id="core" name="Core">
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367
95b406f1f347 Added njs JSON API.
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368
2312
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369 <section id="core_object" name="Object">
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370
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371 <para>
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372 The <literal>Object</literal> constructor corresponds to a standard JS object.
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373 <list type="tag">
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374
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375 <tag-name id="object_entries"><literal>Object.entries(<value>object</value>)</literal></tag-name>
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376 <tag-desc>
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377 returns an array of all enumerable property
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378 <literal>[key, value]</literal> pairs
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379 of the given <literal>object</literal>
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380 (<link doc="changes.xml" id="njs0.2.7">0.2.7</link>).
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381 </tag-desc>
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382
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383 <tag-name id="object_values"><literal>Object.values(<value>object</value>)</literal></tag-name>
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384 <tag-desc>
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parents: 2285
diff changeset
385 returns an array of all enumerable property values
1a6524706c70 njs-0.2.7
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2285
diff changeset
386 of the given <literal>object</literal>
1a6524706c70 njs-0.2.7
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2285
diff changeset
387 (<link doc="changes.xml" id="njs0.2.7">0.2.7</link>).
1a6524706c70 njs-0.2.7
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2285
diff changeset
388 </tag-desc>
1a6524706c70 njs-0.2.7
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2285
diff changeset
389
1a6524706c70 njs-0.2.7
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2285
diff changeset
390 </list>
1a6524706c70 njs-0.2.7
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2285
diff changeset
391 </para>
1a6524706c70 njs-0.2.7
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2285
diff changeset
392
1a6524706c70 njs-0.2.7
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2285
diff changeset
393 </section>
1a6524706c70 njs-0.2.7
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2285
diff changeset
394
1a6524706c70 njs-0.2.7
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2285
diff changeset
395
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
396 <section id="string" name="String">
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
397
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
398 <para>
2315
ae56e4613280 Corrected language in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2313
diff changeset
399 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
400 a byte string.
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
401 </para>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
402
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
403 <para>
2315
ae56e4613280 Corrected language in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2313
diff changeset
404 A Unicode string corresponds to an ECMAScript string
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
405 which contains Unicode characters.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
406 </para>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
407
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
408 <para>
2315
ae56e4613280 Corrected language in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2313
diff changeset
409 Byte strings contain a sequence of bytes
ae56e4613280 Corrected language in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2313
diff changeset
410 and are used to serialize Unicode strings
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
411 to external data and deserialize from external sources.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
412 For example, the <link id="string_toutf8">toUTF8()</link> method serializes
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
413 a Unicode string to a byte string using UTF8 encoding:
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
414 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
415 >> '£'.toUTF8().toString('hex')
2214
e029f4bc7ede Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2212
diff changeset
416 'c2a3' /* C2 A3 is the UTF8 representation of 00A3 ('£') code point */
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
417 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
418 The <link id="string_tobytes">toBytes()</link> method serializes
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
419 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
420 otherwise, <literal>null</literal> is returned:
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
421 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
422 >> '£'.toBytes().toString('hex')
2214
e029f4bc7ede Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2212
diff changeset
423 '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
424 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
425 Only byte strings can be converted to different encodings.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
426 For example, a string cannot be encoded to <literal>hex</literal> directly:
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
427 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
428 >> 'αβγδ'.toString('base64')
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
429 TypeError: argument must be a byte string
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
430 at String.prototype.toString (native)
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
431 at main (native)
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
432 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
433 To convert a Unicode string to hex,
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
434 first, it should be converted to a byte string and then to hex:
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
435 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
436 >> 'αβγδ'.toUTF8().toString('base64')
2214
e029f4bc7ede Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2212
diff changeset
437 'zrHOss6zzrQ='
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
438 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
439
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
440 <list type="tag">
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
441
2211
660229c5c92f Documented String.bytesFrom() method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2207
diff changeset
442 <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
443 | <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
444 <tag-desc>
660229c5c92f Documented String.bytesFrom() method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2207
diff changeset
445 (njs specific) 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
446 or from an encoded string
2337
867fe207f13e Updated links to changes.xml in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2332
diff changeset
447 (<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
448 The encoding can be
660229c5c92f Documented String.bytesFrom() method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2207
diff changeset
449 <literal>hex</literal>,
660229c5c92f Documented String.bytesFrom() method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2207
diff changeset
450 <literal>base64</literal>, and
660229c5c92f Documented String.bytesFrom() method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2207
diff changeset
451 <literal>base64url</literal>.
660229c5c92f Documented String.bytesFrom() method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2207
diff changeset
452 <example>
660229c5c92f Documented String.bytesFrom() method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2207
diff changeset
453 >> String.bytesFrom([0x62, 0x75, 0x66, 0x66, 0x65, 0x72])
660229c5c92f Documented String.bytesFrom() method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2207
diff changeset
454 'buffer'
660229c5c92f Documented String.bytesFrom() method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2207
diff changeset
455
660229c5c92f Documented String.bytesFrom() method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2207
diff changeset
456 >> String.bytesFrom('YnVmZmVy', 'base64')
660229c5c92f Documented String.bytesFrom() method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2207
diff changeset
457 'buffer'
660229c5c92f Documented String.bytesFrom() method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2207
diff changeset
458 </example>
660229c5c92f Documented String.bytesFrom() method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2207
diff changeset
459 </tag-desc>
660229c5c92f Documented String.bytesFrom() method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2207
diff changeset
460
2271
34a1901e663d Described charAt, codePointAt, fromCharCode in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2268
diff changeset
461 <tag-name id="string_fromcharcode"><literal>String.fromCharCode(<value>CharCode1</value>[, ...[,
34a1901e663d Described charAt, codePointAt, fromCharCode in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2268
diff changeset
462 <value>CharCodeN</value>]])</literal></tag-name>
34a1901e663d Described charAt, codePointAt, fromCharCode in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2268
diff changeset
463 <tag-desc>
34a1901e663d Described charAt, codePointAt, fromCharCode in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2268
diff changeset
464 Returns a string from one or more Unicode code points.
34a1901e663d Described charAt, codePointAt, fromCharCode in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2268
diff changeset
465 <example>
34a1901e663d Described charAt, codePointAt, fromCharCode in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2268
diff changeset
466 >> String.fromCharCode(97, 98, 99, 100)
34a1901e663d Described charAt, codePointAt, fromCharCode in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2268
diff changeset
467 'abcd'
34a1901e663d Described charAt, codePointAt, fromCharCode in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2268
diff changeset
468 </example>
34a1901e663d Described charAt, codePointAt, fromCharCode in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2268
diff changeset
469 </tag-desc>
34a1901e663d Described charAt, codePointAt, fromCharCode in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2268
diff changeset
470
2267
c30048802769 Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2259
diff changeset
471 <tag-name id="string_fromcodepoint"><literal>String.fromCodePoint(<value>codePoint1</value>[, ...[,
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
472 <value>codePoint2</value>]])</literal></tag-name>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
473 <tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
474 Returns a string from one or more Unicode code points.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
475 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
476 >> String.fromCodePoint(97, 98, 99, 100)
2214
e029f4bc7ede Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2212
diff changeset
477 'abcd'
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
478 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
479 </tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
480
2271
34a1901e663d Described charAt, codePointAt, fromCharCode in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2268
diff changeset
481 <tag-name id="string_charat"><literal>String.prototype.charAt(<value>index</value>)</literal></tag-name>
34a1901e663d Described charAt, codePointAt, fromCharCode in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2268
diff changeset
482 <tag-desc>
34a1901e663d Described charAt, codePointAt, fromCharCode in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2268
diff changeset
483 Returns a string representing one Unicode code unit
34a1901e663d Described charAt, codePointAt, fromCharCode in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2268
diff changeset
484 at the specified <literal>index</literal>;
34a1901e663d Described charAt, codePointAt, fromCharCode in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2268
diff changeset
485 empty string if index is out of range.
2315
ae56e4613280 Corrected language in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2313
diff changeset
486 The index can be an integer
2271
34a1901e663d Described charAt, codePointAt, fromCharCode in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2268
diff changeset
487 between 0 and 1-less-than the length of the string.
34a1901e663d Described charAt, codePointAt, fromCharCode in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2268
diff changeset
488 If no index is provided, the default is <literal>0</literal>,
34a1901e663d Described charAt, codePointAt, fromCharCode in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2268
diff changeset
489 so the first character in the string is returned.
34a1901e663d Described charAt, codePointAt, fromCharCode in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2268
diff changeset
490 </tag-desc>
34a1901e663d Described charAt, codePointAt, fromCharCode in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2268
diff changeset
491
34a1901e663d Described charAt, codePointAt, fromCharCode in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2268
diff changeset
492 <tag-name id="string_codepointat"><literal>String.prototype.CodePointAt(<value>position</value>)</literal></tag-name>
34a1901e663d Described charAt, codePointAt, fromCharCode in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2268
diff changeset
493 <tag-desc>
34a1901e663d Described charAt, codePointAt, fromCharCode in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2268
diff changeset
494 Returns a number representing the code point value of the character
2315
ae56e4613280 Corrected language in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2313
diff changeset
495 at the given <literal>position</literal>;
2271
34a1901e663d Described charAt, codePointAt, fromCharCode in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2268
diff changeset
496 <literal>undefined</literal> if there is no element at position.
34a1901e663d Described charAt, codePointAt, fromCharCode in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2268
diff changeset
497 <example>
34a1901e663d Described charAt, codePointAt, fromCharCode in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2268
diff changeset
498 >> 'ABCD'.codePointAt(3);
34a1901e663d Described charAt, codePointAt, fromCharCode in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2268
diff changeset
499 68
34a1901e663d Described charAt, codePointAt, fromCharCode in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2268
diff changeset
500 </example>
34a1901e663d Described charAt, codePointAt, fromCharCode in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2268
diff changeset
501 </tag-desc>
34a1901e663d Described charAt, codePointAt, fromCharCode in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2268
diff changeset
502
2267
c30048802769 Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2259
diff changeset
503 <tag-name id="string_concat"><literal>String.prototype.concat(<value>string1</value>[, ...,
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
504 <value>stringN</value>])</literal></tag-name>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
505 <tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
506 Returns a string that contains the concatenation of specified
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
507 <literal>strings</literal>.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
508 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
509 >> "a".concat("b", "c")
2214
e029f4bc7ede Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2212
diff changeset
510 'abc'
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
511 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
512 </tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
513
2267
c30048802769 Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2259
diff changeset
514 <tag-name id="string_endswith"><literal>String.prototype.endsWith(<value>searchString</value>[,
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
515 <value>length</value>])</literal></tag-name>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
516 <tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
517 Returns <literal>true</literal> if a string ends with the characters
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
518 of a specified string, otherwise <literal>false</literal>.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
519 The optional <literal>length</literal> parameter is the the length of string.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
520 If omitted, the default value is the length of the string.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
521 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
522 >> 'abc'.endsWith('abc')
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
523 true
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
524 >> 'abca'.endsWith('abc')
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
525 false
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
526 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
527 </tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
528
2267
c30048802769 Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2259
diff changeset
529 <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
530 <value>end</value>])</literal></tag-name>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
531 <tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
532 (njs specific) Returns a new Unicode string from a byte string
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
533 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
534 </tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
535
2267
c30048802769 Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2259
diff changeset
536 <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
537 <value>end</value>])</literal></tag-name>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
538 <tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
539 (njs specific) Converts a byte string containing a valid UTF8 string
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
540 into a Unicode string,
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
541 otherwise <literal>null</literal> is returned.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
542 </tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
543
2267
c30048802769 Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2259
diff changeset
544 <tag-name id="string_includes"><literal>String.prototype.includes(<value>searchString</value>[,
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
545 <value>position</value>]))</literal></tag-name>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
546 <tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
547 Returns <literal>true</literal> if a string is found within another string,
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
548 otherwise <literal>false</literal>.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
549 The optional <literal>position</literal> parameter is the position
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
550 within the string at which to begin search for <literal>searchString</literal>.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
551 Default value is 0.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
552 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
553 >> 'abc'.includes('bc')
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
554 true
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
555 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
556 </tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
557
2267
c30048802769 Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2259
diff changeset
558 <tag-name id="string_indexof"><literal>String.prototype.indexOf(<value>searchString</value>[,
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
559 <value>fromIndex</value>])</literal></tag-name>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
560 <tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
561 Returns the position of the first occurrence
2315
ae56e4613280 Corrected language in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2313
diff changeset
562 of the <literal>searchString</literal>.
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
563 The search is started at <literal>fromIndex</literal>.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
564 Returns <value>-1</value> if the value is not found.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
565 The <literal>fromIndex</literal> is an integer,
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
566 default value is 0.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
567 If <literal>fromIndex</literal> is lower than 0
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
568 or greater than
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
569 <link id="string_length">String.prototype.length</link><value></value>,
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
570 the search starts at index <value>0</value> and
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
571 <value>String.prototype.length</value>.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
572 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
573 >> 'abcdef'.indexOf('de', 2)
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
574 3
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
575 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
576 </tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
577
2267
c30048802769 Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2259
diff changeset
578 <tag-name id="string_lastindexof"><literal>String.prototype.lastIndexOf(<value>searchString</value>[,
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
579 <value>fromIndex</value>])</literal></tag-name>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
580 <tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
581 Returns the position of the last occurrence
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
582 of the <literal>searchString</literal>,
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
583 searching backwards from <literal>fromIndex</literal>.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
584 Returns <value>-1</value> if the value is not found.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
585 If <literal>searchString</literal> is empty,
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
586 then <literal>fromIndex</literal> is returned.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
587 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
588 >> "nginx".lastIndexOf("gi")
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
589 1
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
590 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
591 </tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
592
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
593 <tag-name id="string_length"><literal>String.prototype.length</literal></tag-name>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
594 <tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
595 Returns the length of the string.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
596 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
597 >> 'αβγδ'.length
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
598 4
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
599 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
600 </tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
601
2267
c30048802769 Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2259
diff changeset
602 <tag-name id="string_match"><literal>String.prototype.match([<value>regexp</value>])</literal></tag-name>
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
603 <tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
604 Matches a string against a <literal>regexp</literal>.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
605 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
606 >> 'nginx'.match( /ng/i )
2214
e029f4bc7ede Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2212
diff changeset
607 'ng'
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
608 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
609 </tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
610
2212
c34a885b9d99 Documented padEnd() and padStart() for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2211
diff changeset
611 <tag-name id="string_padend"><literal>String.prototype.padEnd(<value>length</value>
c34a885b9d99 Documented padEnd() and padStart() for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2211
diff changeset
612 [, <value>string</value>])</literal></tag-name>
c34a885b9d99 Documented padEnd() and padStart() for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2211
diff changeset
613 <tag-desc>
c34a885b9d99 Documented padEnd() and padStart() for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2211
diff changeset
614 Returns a string of a specified <literal>length</literal>
2315
ae56e4613280 Corrected language in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2313
diff changeset
615 with the pad <literal>string</literal> applied to the end of the specified
2337
867fe207f13e Updated links to changes.xml in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2332
diff changeset
616 string (<link doc="changes.xml" id="njs0.2.3">0.2.3</link>).
2212
c34a885b9d99 Documented padEnd() and padStart() for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2211
diff changeset
617 <example>
c34a885b9d99 Documented padEnd() and padStart() for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2211
diff changeset
618 >> '1234'.padEnd(8, 'abcd')
c34a885b9d99 Documented padEnd() and padStart() for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2211
diff changeset
619 '1234abcd'
c34a885b9d99 Documented padEnd() and padStart() for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2211
diff changeset
620 </example>
c34a885b9d99 Documented padEnd() and padStart() for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2211
diff changeset
621 </tag-desc>
c34a885b9d99 Documented padEnd() and padStart() for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2211
diff changeset
622
c34a885b9d99 Documented padEnd() and padStart() for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2211
diff changeset
623 <tag-name id="string_padstart"><literal>String.prototype.padStart(<value>length</value>
c34a885b9d99 Documented padEnd() and padStart() for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2211
diff changeset
624 [, <value>string</value>])</literal></tag-name>
c34a885b9d99 Documented padEnd() and padStart() for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2211
diff changeset
625 <tag-desc>
c34a885b9d99 Documented padEnd() and padStart() for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2211
diff changeset
626 Returns a string of a specified <literal>length</literal>
2315
ae56e4613280 Corrected language in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2313
diff changeset
627 with the pad <literal>string</literal> applied to the start of the specified
2337
867fe207f13e Updated links to changes.xml in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2332
diff changeset
628 string (<link doc="changes.xml" id="njs0.2.3">0.2.3</link>).
2212
c34a885b9d99 Documented padEnd() and padStart() for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2211
diff changeset
629 <example>
c34a885b9d99 Documented padEnd() and padStart() for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2211
diff changeset
630 >> '1234'.padStart(8, 'abcd')
c34a885b9d99 Documented padEnd() and padStart() for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2211
diff changeset
631 'abcd1234'
c34a885b9d99 Documented padEnd() and padStart() for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2211
diff changeset
632 </example>
c34a885b9d99 Documented padEnd() and padStart() for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2211
diff changeset
633 </tag-desc>
c34a885b9d99 Documented padEnd() and padStart() for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2211
diff changeset
634
2267
c30048802769 Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2259
diff changeset
635 <tag-name id="string_repeat"><literal>String.prototype.repeat(<value>number</value>)</literal></tag-name>
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
636 <tag-desc>
2315
ae56e4613280 Corrected language in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2313
diff changeset
637 Returns a string
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
638 with the specified <literal>number</literal> of copies of the string.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
639 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
640 >> 'abc'.repeat(3)
2214
e029f4bc7ede Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2212
diff changeset
641 'abcabcabc'
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
642 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
643 </tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
644
2267
c30048802769 Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2259
diff changeset
645 <tag-name id="string_replace"><literal>String.prototype.replace([<value>regexp</value>|<value>string</value>[,
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
646 <value>string</value>|<value>function</value>]])</literal></tag-name>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
647 <tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
648 Returns a new string with matches of a pattern
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
649 (<literal>string</literal> or a <literal>regexp</literal>)
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
650 replaced by a <literal>string</literal> or a <literal>function</literal>.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
651 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
652 >> 'abcdefgh'.replace('d', 1)
2214
e029f4bc7ede Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2212
diff changeset
653 'abc1efgh'
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
654 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
655 </tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
656
2267
c30048802769 Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2259
diff changeset
657 <tag-name id="string_search"><literal>String.prototype.search([<value>regexp</value>])</literal></tag-name>
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
658 <tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
659 Searches for a string using a <literal>regexp</literal>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
660 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
661 >> 'abcdefgh'.search('def')
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
662 3
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
663 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
664 </tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
665
2267
c30048802769 Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2259
diff changeset
666 <tag-name id="string_slice"><literal>String.prototype.slice(<value>start</value>[,
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
667 <value>end</value>])</literal></tag-name>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
668 <tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
669 Returns a new string containing a part of an
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
670 original string between <literal>start</literal>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
671 and <literal>end</literal> or
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
672 from <literal>start</literal> to the end of the string.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
673 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
674 >> 'abcdefghijklmno'.slice(NaN, 5)
2214
e029f4bc7ede Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2212
diff changeset
675 'abcde'
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
676 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
677 </tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
678
2268
cd1b26111884 Moved string.split to follow alphabetical order.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2267
diff changeset
679 <tag-name id="string_split"><literal>String.prototype.split(([<value>string</value>|<value>regexp</value>[,
cd1b26111884 Moved string.split to follow alphabetical order.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2267
diff changeset
680 <value>limit</value>]]))</literal></tag-name>
cd1b26111884 Moved string.split to follow alphabetical order.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2267
diff changeset
681 <tag-desc>
cd1b26111884 Moved string.split to follow alphabetical order.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2267
diff changeset
682 Returns match of a string against a <literal>regexp</literal>.
cd1b26111884 Moved string.split to follow alphabetical order.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2267
diff changeset
683 The optional <literal>limit</literal> parameter is an integer that specifies
cd1b26111884 Moved string.split to follow alphabetical order.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2267
diff changeset
684 a limit on the number of splits to be found.
cd1b26111884 Moved string.split to follow alphabetical order.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2267
diff changeset
685 <example>
cd1b26111884 Moved string.split to follow alphabetical order.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2267
diff changeset
686 >> 'abc'.split('')
cd1b26111884 Moved string.split to follow alphabetical order.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2267
diff changeset
687 [
cd1b26111884 Moved string.split to follow alphabetical order.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2267
diff changeset
688 'a',
cd1b26111884 Moved string.split to follow alphabetical order.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2267
diff changeset
689 'b',
cd1b26111884 Moved string.split to follow alphabetical order.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2267
diff changeset
690 'c'
cd1b26111884 Moved string.split to follow alphabetical order.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2267
diff changeset
691 ]
cd1b26111884 Moved string.split to follow alphabetical order.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2267
diff changeset
692 </example>
cd1b26111884 Moved string.split to follow alphabetical order.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2267
diff changeset
693 </tag-desc>
cd1b26111884 Moved string.split to follow alphabetical order.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2267
diff changeset
694
2267
c30048802769 Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2259
diff changeset
695 <tag-name id="string_startswith"><literal>String.prototype.startsWith(<value>searchString</value>[,
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
696 <value>position</value>])</literal></tag-name>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
697 <tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
698 Returns <literal>true</literal> if a string begins with the characters
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
699 of a specified string, otherwise <literal>false</literal>.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
700 The optional <literal>position</literal> parameter is the position
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
701 in this string at which to begin search for <literal>searchString</literal>.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
702 Default value is 0.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
703 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
704 >> 'abc'.startsWith('abc')
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
705 true
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
706 > 'aabc'.startsWith('abc')
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
707 false
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
708 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
709 </tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
710
2267
c30048802769 Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2259
diff changeset
711 <tag-name id="string_substr"><literal>String.prototype.substr(<value>start</value>[,
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
712 <value>length</value>])</literal></tag-name>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
713 <tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
714 Returns the part of the string of the specified <literal>length</literal>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
715 from <literal>start</literal>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
716 or from <literal>start</literal> to the end of the string.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
717 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
718 >> 'abcdefghijklmno'.substr(3, 5)
2214
e029f4bc7ede Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2212
diff changeset
719 'defgh'
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
720 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
721 </tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
722
2267
c30048802769 Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2259
diff changeset
723 <tag-name id="string_substring"><literal>String.prototype.substring(<value>start</value>[,
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
724 <value>end</value>])</literal></tag-name>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
725 <tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
726 Returns the part of the string between
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
727 <literal>start</literal> and <literal>end</literal> or
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
728 from <literal>start</literal> to the end of the string.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
729 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
730 >> 'abcdefghijklmno'.substring(3, 5)
2214
e029f4bc7ede Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2212
diff changeset
731 'de'
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
732 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
733 </tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
734
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
735 <tag-name id="string_tobytes"><literal>String.prototype.toBytes(start[,
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
736 end])</literal></tag-name>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
737 <tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
738 (njs specific) Serializes a Unicode string to a byte string.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
739 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
740 found in the string.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
741 </tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
742
2267
c30048802769 Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2259
diff changeset
743 <tag-name id="string_tolowercase"><literal>String.prototype.toLowerCase()</literal></tag-name>
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
744 <tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
745 Converts a string to lower case.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
746 The method supports only simple Unicode folding.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
747 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
748 >> 'ΑΒΓΔ'.toLowerCase()
2214
e029f4bc7ede Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2212
diff changeset
749 'αβγδ'
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
750 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
751 </tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
752
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
753 <tag-name><literal>String.prototype.toString([<value>encoding</value>])</literal></tag-name>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
754 <tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
755 <para>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
756 If no <literal>encoding</literal> is specified,
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
757 returns a specified Unicode string or byte string as in ECMAScript.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
758 </para>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
759
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
760 <para>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
761 (njs specific) If <literal>encoding</literal> is specified,
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
762 encodes a <link id="string_tobytes">byte string</link> to
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
763 <literal>hex</literal>,
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
764 <literal>base64</literal>, or
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
765 <literal>base64url</literal>.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
766 </para>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
767 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
768 >> 'αβγδ'.toUTF8().toString('base64url')
2214
e029f4bc7ede Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2212
diff changeset
769 'zrHOss6zzrQ'
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
770 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
771 </tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
772
2267
c30048802769 Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2259
diff changeset
773 <tag-name id="string_touppercase"><literal>String.prototype.toUpperCase()</literal></tag-name>
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
774 <tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
775 Converts a string to upper case.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
776 The method supports only simple Unicode folding.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
777 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
778 >> 'αβγδ'.toUpperCase()
2214
e029f4bc7ede Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2212
diff changeset
779 'ΑΒΓΔ'
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
780 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
781 </tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
782
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
783 <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
784 <value>end</value>])</literal></tag-name>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
785 <tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
786 (njs specific) Serializes a Unicode string
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
787 to a byte string using UTF8 encoding.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
788 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
789 >> 'αβγδ'.toUTF8().length
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
790 8
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
791 >> 'αβγδ'.length
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
792 4
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
793 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
794 </tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
795
2267
c30048802769 Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2259
diff changeset
796 <tag-name id="string_trim"><literal>String.prototype.trim()</literal></tag-name>
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
797 <tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
798 Removes whitespaces from both ends of a string.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
799 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
800 >> ' abc '.trim()
2214
e029f4bc7ede Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2212
diff changeset
801 'abc'
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
802 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
803 </tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
804
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
805 <tag-name id="encodeuri"><literal>encodeURI(<value>URI</value>)</literal></tag-name>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
806 <tag-desc>
2315
ae56e4613280 Corrected language in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2313
diff changeset
807 Encodes a URI by replacing each instance of certain characters
ae56e4613280 Corrected language in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2313
diff changeset
808 by one, two, three, or four escape sequences
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
809 representing the UTF-8 encoding of the character
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
810 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
811 >> encodeURI('012αβγδ')
2214
e029f4bc7ede Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2212
diff changeset
812 '012%CE%B1%CE%B2%CE%B3%CE%B4'
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
813 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
814 </tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
815
2267
c30048802769 Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2259
diff changeset
816 <tag-name id="encodeuricomponent"><literal>encodeURIComponent(<value>encodedURIString</value>)</literal></tag-name>
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
817 <tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
818 Encodes a URI by replacing each instance of certain characters
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
819 by one, two, three, or four escape sequences
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
820 representing the UTF-8 encoding of the character.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
821 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
822 >> encodeURIComponent('[@?=')
2214
e029f4bc7ede Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2212
diff changeset
823 '%5B%40%3F%3D'
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
824 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
825 </tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
826
2267
c30048802769 Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2259
diff changeset
827 <tag-name id="decodeuri"><literal>decodeURI(<value>encodedURI</value>)</literal></tag-name>
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
828 <tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
829 Decodes a previously <link id="encodeuri">encoded</link> URI.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
830 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
831 >> decodeURI('012%CE%B1%CE%B2%CE%B3%CE%B4')
2214
e029f4bc7ede Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2212
diff changeset
832 '012αβγδ'
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
833 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
834 </tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
835
2267
c30048802769 Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2259
diff changeset
836 <tag-name id="decodeuricomponent"><literal>decodeURIComponent(<value>decodedURIString</value>)</literal></tag-name>
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
837 <tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
838 Decodes an encoded component of a previously encoded URI.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
839 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
840 >> decodeURIComponent('%5B%40%3F%3D')
2214
e029f4bc7ede Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2212
diff changeset
841 '[@?='
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
842 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
843 </tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
844
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
845 </list>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
846 </para>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
847
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
848 </section>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
849
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
850
2176
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
851 <section id="core_json" name="JSON">
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
852
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
853 <para>
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
854 The <literal>JSON</literal> object (ES 5.1) provides functions
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
855 to convert njs values to and from JSON format.
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
856 <list type="tag">
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
857
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
858 <tag-name><literal>JSON.parse(<value>string</value>[,
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
859 <value>reviver</value>])</literal></tag-name>
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
860 <tag-desc>
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
861 Converts a <literal>string</literal> that represents JSON data
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
862 into an njs object (<literal>{...}</literal>) or
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
863 array (<literal>[...]</literal>).
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
864 The optional <literal>reviver</literal> parameter is a function (key, value)
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
865 that will be called for each (key,value) pair and can transform the value.
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
866 </tag-desc>
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
867
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
868 <tag-name><literal>JSON.stringify(<value>value</value>[,
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
869 <value>replacer</value>] [, <value>space</value>])</literal></tag-name>
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
870 <tag-desc>
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
871 Converts an njs object back to JSON.
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
872 The obligatory <literal>value</literal> parameter is generally a JSON
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
873 <literal>object</literal> or <literal>array</literal> that will be converted.
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
874 If the value has a <literal>toJSON()</literal> method,
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
875 it defines how the object will be serialized.
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
876 The optional <literal>replacer</literal> parameter is
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
877 a <literal>function</literal> or <literal>array</literal>
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
878 that transforms results.
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
879 The optional <literal>space</literal> parameter is
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
880 a <literal>string</literal> or <literal>number</literal>.
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
881 If it is a <literal>number</literal>,
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
882 it indicates the number of white spaces placed before a result
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
883 (no more than 10).
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
884 If it is a <literal>string</literal>,
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
885 it is used as a white space (or first 10 characters of it).
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
886 If omitted or is <literal>null</literal>, no white space is used.
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
887 </tag-desc>
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
888 </list>
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
889 </para>
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
890
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
891 <para>
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
892 <example>
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
893 >> var json = JSON.parse('{"a":1, "b":true}')
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
894 >> json.a
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
895 1
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
896
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
897 >> JSON.stringify(json)
2214
e029f4bc7ede Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2212
diff changeset
898 '{"a":1,"b":true}'
2176
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
899
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
900 >> JSON.stringify({ x: [10, undefined, function(){}] })
2214
e029f4bc7ede Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2212
diff changeset
901 '{"x":[10,null,null]}'
2176
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
902
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
903 >> JSON.stringify({"a":1, "toJSON": function() {return "xxx"}})
2214
e029f4bc7ede Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2212
diff changeset
904 '"xxx"'
2176
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
905
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
906 # Example with function replacer
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
907
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
908 >> function replacer(key, value) {return (typeof value === 'string') ? undefined : value}
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
909 >>JSON.stringify({a:1, b:"b", c:true}, replacer)
2214
e029f4bc7ede Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2212
diff changeset
910 '{"a":1,"c":true}'
2176
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
911 </example>
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
912 </para>
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
913
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
914 </section>
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
915
2177
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
916
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
917 <section id="crypto" name="Crypto">
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
918
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
919 <para>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
920 The Crypto module provides cryptographic functionality support.
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
921 The Crypto module object is returned by <literal>require('crypto')</literal>.
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
922 </para>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
923
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
924 <para>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
925 <list type="tag">
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
926
2267
c30048802769 Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2259
diff changeset
927 <tag-name id="crypto_createhash"><literal>crypto.createHash(<value>algorithm</value>)</literal></tag-name>
2177
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
928 <tag-desc>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
929 Creates and returns a <link id="crypto_hash">Hash</link> object
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
930 that can be used to generate hash digests
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
931 using the given <value>algorithm</value>.
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
932 The algorighm can be
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
933 <literal>md5</literal>,
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
934 <literal>sha1</literal>, and
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
935 <literal>sha256</literal>.
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
936 </tag-desc>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
937
2267
c30048802769 Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2259
diff changeset
938 <tag-name id="crypto_createhmac"><literal>crypto.createHmac(<value>algorithm</value>,
2177
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
939 <value>secret key</value>)</literal></tag-name>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
940 <tag-desc>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
941 Creates and returns an <link id="crypto_hmac">HMAC</link> object
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
942 that uses the given <value>algorithm</value> and <value>secret key</value>.
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
943 The algorighm can be
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
944 <literal>md5</literal>,
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
945 <literal>sha1</literal>, and
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
946 <literal>sha256</literal>.
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
947 </tag-desc>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
948
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
949 </list>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
950 </para>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
951
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
952
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
953 <section id="crypto_hash" name="Hash">
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
954
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
955 <para>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
956 <list type="tag">
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
957
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
958 <tag-name><literal>hash.update(<value>data</value>)</literal></tag-name>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
959 <tag-desc>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
960 Updates the hash content with the given <value>data</value>.
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
961 </tag-desc>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
962
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
963 <tag-name><literal>hash.digest([<value>encoding</value>])</literal></tag-name>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
964 <tag-desc>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
965 Calculates the digest of all of the data passed using
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
966 <literal>hash.update()</literal>.
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
967 The encoding can be
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
968 <literal>hex</literal>,
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
969 <literal>base64</literal>, and
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
970 <literal>base64url</literal>.
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
971 If encoding is not provided, a byte string is returned.
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
972 </tag-desc>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
973
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
974 </list>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
975 </para>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
976
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
977 <para>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
978 <example>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
979 >> var cr = require('crypto')
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
980 undefined
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
981
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
982 >> cr.createHash('sha1').update('A').update('B').digest('base64url')
2214
e029f4bc7ede Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2212
diff changeset
983 'BtlFlCqiamG-GMPiK_GbvKjdK10'
2177
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
984 </example>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
985 </para>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
986
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
987 </section>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
988
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
989
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
990 <section id="crypto_hmac" name="HMAC">
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
991
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
992 <para>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
993 <list type="tag">
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
994
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
995 <tag-name><literal>hmac.update(<value>data</value>)</literal></tag-name>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
996 <tag-desc>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
997 Updates the HMAC content with the given <value>data</value>.
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
998 </tag-desc>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
999
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1000 <tag-name><literal>hmac.digest([<value>encoding</value>])</literal></tag-name>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1001 <tag-desc>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1002 Calculates the HMAC digest of all of the data passed using
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1003 <literal>hmac.update()</literal>.
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1004 The encoding can be
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1005 <literal>hex</literal>,
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1006 <literal>base64</literal>, and
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1007 <literal>base64url</literal>.
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1008 If encoding is not provided, a byte string is returned.
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1009 </tag-desc>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1010 </list>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1011 </para>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1012
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1013 <para>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1014 <example>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1015 >> var cr = require('crypto')
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1016 undefined
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1017
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1018 >> cr.createHmac('sha1', 'secret.key').update('AB').digest('base64url')
2214
e029f4bc7ede Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2212
diff changeset
1019 'Oglm93xn23_MkiaEq_e9u8zk374'
2177
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1020 </example>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1021 </para>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1022
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1023 </section>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1024
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1025 </section>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1026
2203
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1027 <section id="njs_api_timers" name="Timers">
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1028
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1029 <para>
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1030
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1031 <list type="tag">
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1032
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1033 <tag-name id="cleartimeout"><literal>clearTimeout(<value>timeout</value>)</literal></tag-name>
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1034 <tag-desc>
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1035 Cancels a <literal>timeout</literal> object
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1036 created by <link id="settimeout">setTimeout()</link>.
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1037 </tag-desc>
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1038
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1039 <tag-name id="settimeout"><literal>setTimeout(<value>function</value>,
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1040 <value>ms</value>[, <value>arg1</value>, <value>argN</value>])</literal></tag-name>
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1041 <tag-desc>
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1042 Calls a <literal>function</literal>
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1043 after a specified number of <literal>milliseconds</literal>.
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1044 One or more optional <literal>arguments</literal>
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1045 can be passed to the specified function.
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1046 Returns a <literal>timeout</literal> object.
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1047 <example>
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1048 function handler(v)
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1049 {
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1050 // ...
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1051 }
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1052
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1053 t = setTimeout(handler, 12);
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1054
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1055 // ...
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1056
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1057 clearTimeout(t);
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1058 </example>
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1059 </tag-desc>
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1060
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1061 </list>
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1062 </para>
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1063
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1064 </section>
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1065
2204
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1066
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1067 <section id="njs_api_fs" name="File System">
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1068
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1069 <para>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1070 The File System module provides operations with files.
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1071 The module object is returned by <literal>require('fs')</literal>.
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1072 <list type="tag">
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1073
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1074 <tag-name id="appendfilesync"><literal>appendFileSync(<value>filename</value>,
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1075 <value>data</value>[, <value>options</value>])</literal></tag-name>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1076 <tag-desc>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1077 Synchronously appends specified <literal>data</literal>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1078 to a file with provided <literal>filename</literal>.
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1079 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
1080 The <literal>options</literal> parameter is expected to be
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1081 an object with the following keys:
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1082 <list type="tag">
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1083
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1084 <tag-name><literal>mode</literal></tag-name>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1085 <tag-desc>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1086 mode option, by default is <literal>0o666</literal>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1087 </tag-desc>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1088
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1089 <tag-name><literal>flag</literal></tag-name>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1090 <tag-desc>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1091 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
1092 by default is <literal>a</literal>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1093 </tag-desc>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1094
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1095 </list>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1096 </tag-desc>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1097
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1098 <tag-name id="readfilesync"><literal>readFileSync(<value>filename</value>[,
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1099 <value>options</value>])</literal></tag-name>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1100 <tag-desc>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1101 Synchronously returns the contents of the file
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1102 with provided <literal>filename</literal>.
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1103 The <literal>options</literal> parameter holds
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1104 <literal>string</literal> that specifies encoding.
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1105 If not specified, a <link id="string_tobytes">byte string</link> is returned.
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1106 If <literal>utf8</literal> encoding is specified, a Unicode string is returned.
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1107 Otherwise, <literal>options</literal> is expected to be
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1108 an object with the following keys:
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1109 <list type="tag">
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1110
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1111 <tag-name><literal>encoding</literal></tag-name>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1112 <tag-desc>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1113 encoding, by default is not specified.
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1114 The encoding can be <literal>utf8</literal>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1115 </tag-desc>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1116
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1117 <tag-name><literal>flag</literal></tag-name>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1118 <tag-desc>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1119 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
1120 by default is <literal>r</literal>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1121 </tag-desc>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1122
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1123 </list>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1124 <example>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1125 >> var fs = require('fs')
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1126 undefined
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1127 >> var file = fs.readFileSync('/file/path.tar.gz')
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1128 undefined
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1129 >> var gzipped = /^\x1f\x8b/.test(file); gzipped
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1130 true
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1131 </example>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1132 </tag-desc>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1133
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1134 <tag-name id="writefilesync"><literal>writeFileSync(<value>filename</value>,
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1135 <value>data</value>[,
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1136 <value>options</value>])</literal></tag-name>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1137 <tag-desc>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1138 Synchronously writes <literal>data</literal> to a file
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1139 with provided <literal>filename</literal>.
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1140 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
1141 if the file exists, it will be replaced.
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1142 The <literal>options</literal> parameter is expected to be
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1143 an object with the following keys:
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1144 <list type="tag">
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1145 <tag-name><literal>mode</literal></tag-name>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1146 <tag-desc>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1147 mode option, by default is <literal>0o666</literal>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1148 </tag-desc>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1149
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1150 <tag-name><literal>flag</literal></tag-name>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1151 <tag-desc>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1152 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
1153 by default is <literal>w</literal>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1154 </tag-desc>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1155
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1156 </list>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1157 <example>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1158 >> var fs = require('fs')
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1159 undefined
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1160 >> var file = fs.writeFileSync('hello.txt', 'Hello world')
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1161 undefined
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1162 </example>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1163 </tag-desc>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1164
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1165 </list>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1166 </para>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1167
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1168
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1169 <section id="njs_api_fs_flags" name="File System Flags">
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1170
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1171 <para>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1172 The <literal>flag</literal> option can accept the following values:
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1173
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1174 <list type= "bullet" compact="no">
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1175
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1176 <listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1177 <literal>a</literal>&mdash;open a file for appending.
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1178 The file is created if it does not exist
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1179 </listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1180
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1181 <listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1182 <literal>ax</literal>&mdash;the same as <literal>a</literal>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1183 but fails if the file already exists
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1184 </listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1185
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1186 <listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1187 <literal>a+</literal>&mdash;open a file for reading and appending.
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1188 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
1189 </listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1190
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1191 <listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1192 <literal>ax+</literal>&mdash;the same as <literal>a+</literal>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1193 but fails if the file already exists
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1194 </listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1195
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1196 <listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1197 <literal>as</literal>&mdash;open a file for appending in synchronous mode.
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1198 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
1199 </listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1200
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1201 <listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1202 <literal>as+</literal>&mdash;open a file for reading and appending
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1203 in synchronous mode.
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1204 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
1205 </listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1206
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1207 <listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1208 <literal>r</literal>&mdash;open a file for reading.
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1209 An exception occurs if the file does not exist
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1210 </listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1211
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1212 <listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1213 <literal>r+</literal>&mdash;open a file for reading and writing.
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1214 An exception occurs if the file does not exist
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1215 </listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1216
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1217 <listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1218 <literal>rs+</literal>&mdash;open a file for reading and writing
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1219 in synchronous mode.
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1220 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
1221 </listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1222
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1223 <listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1224 <literal>w</literal>&mdash;open a file for writing.
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1225 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
1226 If the file exists, it will be replaced
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1227 </listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1228
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1229 <listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1230 <literal>wx</literal>&mdash;the same as <literal>w</literal>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1231 but fails if the file already exists
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1232 </listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1233
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1234 <listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1235 <literal>w+</literal>&mdash;open a file for reading and writing.
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1236 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
1237 If the file exists, it will be replaced
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1238 </listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1239
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1240 <listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1241 <literal>wx+</literal>&mdash;the same as <literal>w+</literal>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1242 but fails if the file already exists
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1243 </listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1244
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1245 </list>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1246 </para>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1247
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1248 </section>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1249
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1250 </section>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1251
2176
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
1252 </section>
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
1253
2175
cd4889fdcfa4 Moved njs HTTP and Stream API to a separate page.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff changeset
1254 </article>