annotate xml/en/docs/njs/reference.xml @ 2545:dca5a7053a6c

Sorted alphabetically njs http methods.
author Yaroslav Zhuravlev <yar@nginx.com>
date Tue, 19 May 2020 15:05:49 +0100
parents 33347df1da9c
children 6093e9f3615e
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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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dca5a7053a6c Sorted alphabetically njs http methods.
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12 rev="43">
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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 id="r_args"><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 id="r_headers_in"><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 The <literal>Foo</literal> request header
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57 can be accessed with the syntax:
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58 <literal>headersIn.foo</literal> or <literal>headersIn['Foo']</literal>.
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59 </para>
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60
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61 <para>
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62 The
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63 <header>Authorization</header>,
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64 <header>Content-Length</header>,
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65 <header>Content-Range</header>,
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66 <header>Content-Type</header>,
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67 <header>ETag</header>,
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68 <header>Expect</header>,
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69 <header>From</header>,
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70 <header>Host</header>,
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71 <header>If-Match</header>,
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72 <header>If-Modified-Since</header>,
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73 <header>If-None-Match</header>,
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74 <header>If-Range</header>,
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75 <header>If-Unmodified-Since</header>,
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76 <header>Max-Forwards</header>,
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77 <header>Proxy-Authorization</header>,
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78 <header>Referer</header>,
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79 <header>Transfer-Encoding</header>, and
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80 <header>User-Agent</header>
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81 request headers can have only one field value
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82 (<link doc="changes.xml" id="njs0.4.1">0.4.1</link>).
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83 Duplicate field values in <header>Cookie</header> headers
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84 are separated by semicolon (<literal>;</literal>).
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85 Duplicate field values in all other request headers are separated by commas.
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86 </para>
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87 </tag-desc>
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88
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89 <tag-name id="r_headers_out"><literal>r.headersOut{}</literal></tag-name>
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90 <tag-desc>
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91 outgoing headers object, writable.
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92 <para>
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93 The <header>Foo</header> response header
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94 can be accessed with the syntax:
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95 <literal>headersOut.foo</literal> or <literal>headersOut['Foo']</literal>.
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96 </para>
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97
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98 <para>
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99 Field values of multi-value response headers
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100 (<link doc="changes.xml" id="njs0.4.0">0.4.0</link>)
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101 can be set with the syntax:
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102 <example>
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103 r.headersOut['Foo'] = ['a', 'b']
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104 </example>
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105 where the output will be:
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106 <example>
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107 Foo: a
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108 Foo: b
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109 </example>
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110 All previous field values of the <header>Foo</header> response header
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111 will be deleted.
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112 </para>
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113
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114 <para>
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115 For standard response headers
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116 that accept only a single field value such as
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117 <header>Content-Type</header>,
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118 only the last element of the array will take effect.
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119 Field values of the <header>Set-Cookie</header> response header
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120 are always returned as an array.
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121 Duplicate field values in
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122 <header>Age</header>,
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123 <header>Content-Encoding</header>,
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124 <header>Content-Length</header>,
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125 <header>Content-Type</header>,
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126 <header>ETag</header>,
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127 <header>Expires</header>,
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128 <header>Last-Modified</header>,
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129 <header>Location</header>,
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130 <header>Retry-After</header>
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131 response headers are ignored.
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d6bbfd20c82f Rephrased a sentence in r.headersOut in njs.
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132 Duplicate field values in all other response headers
d6bbfd20c82f Rephrased a sentence in r.headersOut in njs.
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133 are separated by commas.
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134 </para>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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135 </tag-desc>
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136
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137 <tag-name><literal>r.httpVersion</literal></tag-name>
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138 <tag-desc>
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139 HTTP version, read-only
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140 </tag-desc>
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141
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142 <tag-name id="r_internal_redirect"><literal>r.internalRedirect(<value>uri</value>)</literal></tag-name>
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143 <tag-desc>
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144 performs an internal redirect to the specified <literal>uri</literal>.
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145 If the uri starts with the “<literal>@</literal>” prefix,
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146 it is considered a named location.
2525
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147 The actual redirect happens after the handler execution is completed.
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148 </tag-desc>
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149
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150 <tag-name><literal>r.log(<value>string</value>)</literal></tag-name>
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151 <tag-desc>
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152 writes a <literal>string</literal> to the error log
dca5a7053a6c Sorted alphabetically njs http methods.
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153 on the <literal>info</literal> level of logging
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154 </tag-desc>
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155
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156 <tag-name><literal>r.method</literal></tag-name>
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157 <tag-desc>
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158 HTTP method, read-only
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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159 </tag-desc>
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160
2497
805c4b84cc61 Added missing feature and links to njs-0.3.8 Changes.
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161 <tag-name id="r_parent"><literal>r.parent</literal></tag-name>
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162 <tag-desc>
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163 references the parent request object
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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164 </tag-desc>
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165
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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166 <tag-name><literal>r.remoteAddress</literal></tag-name>
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167 <tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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diff changeset
168 client address, read-only
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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169 </tag-desc>
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170
2259
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171 <tag-name id="r_request_body"><literal>r.requestBody</literal></tag-name>
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172 <tag-desc>
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173 returns the client request body if it has not been
9644ecb67081 Unified description of njs r.requestBody with perl request_body.
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174 written to a temporary file.
9644ecb67081 Unified description of njs r.requestBody with perl request_body.
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175 To ensure that the client request body is in memory,
9644ecb67081 Unified description of njs r.requestBody with perl request_body.
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176 its size should be limited by
9644ecb67081 Unified description of njs r.requestBody with perl request_body.
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177 <link doc="../http/ngx_http_core_module.xml" id="client_max_body_size"/>,
9644ecb67081 Unified description of njs r.requestBody with perl request_body.
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178 and a sufficient buffer size should be set using
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179 <link doc="../http/ngx_http_core_module.xml" id="client_body_buffer_size"/>.
2356
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180 The property is available only in the
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181 <link doc="../http/ngx_http_js_module.xml" id="js_content"/> directive.
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182 </tag-desc>
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183
2353
21f3a93fbe97 njs-0.3.0
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184 <tag-name id="r_response_body"><literal>r.responseBody</literal></tag-name>
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185 <tag-desc>
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186 holds the <link id="subrequest">subrequest</link> response body, read-only.
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187 The size of <literal>r.responseBody</literal> is limited by the
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188 <link doc="../http/ngx_http_core_module.xml" id="subrequest_output_buffer_size"/>
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189 directive.
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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190 </tag-desc>
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191
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192 <tag-name><literal>r.return(status[, string])</literal></tag-name>
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193 <tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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194 sends the entire response
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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diff changeset
195 with the specified <literal>status</literal> to the client
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196 <para>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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197 It is possible to specify either a redirect URL
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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diff changeset
198 (for codes 301, 302, 303, 307, and 308)
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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199 or the response body text (for other codes) as the second argument
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200 </para>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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201 </tag-desc>
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202
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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diff changeset
203 <tag-name><literal>r.send(<value>string</value>)</literal></tag-name>
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204 <tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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diff changeset
205 sends a part of the response body to the client
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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206 </tag-desc>
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diff changeset
207
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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diff changeset
208 <tag-name><literal>r.sendHeader()</literal></tag-name>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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209 <tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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diff changeset
210 sends the HTTP headers to the client
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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diff changeset
211 </tag-desc>
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diff changeset
212
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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diff changeset
213 <tag-name><literal>r.status</literal></tag-name>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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diff changeset
214 <tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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diff changeset
215 status, writable
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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diff changeset
216 </tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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diff changeset
217
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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diff changeset
218 <tag-name id="subrequest"><literal>r.subrequest(<value>uri</value>[,
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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diff changeset
219 <value>options</value>[, <value>callback</value>]])</literal></tag-name>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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220 <tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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diff changeset
221 creates a subrequest with the given <literal>uri</literal> and
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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diff changeset
222 <literal>options</literal>, and installs
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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parents: 2246
diff changeset
223 an optional completion <literal>callback</literal>.
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>
2340
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Yaroslav Zhuravlev <yar@nginx.com>
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diff changeset
226 A
537130c40c1f Updated r.subrequest desctiption in njs.
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diff changeset
227 <link doc="../dev/development_guide.xml.xml" id="http_subrequests">subrequest</link>
537130c40c1f Updated r.subrequest desctiption in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2338
diff changeset
228 shares its input headers with the client request.
537130c40c1f Updated r.subrequest desctiption in njs.
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parents: 2338
diff changeset
229 To send headers different from original headers to a proxied server, the
537130c40c1f Updated r.subrequest desctiption in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2338
diff changeset
230 <link doc="../http/ngx_http_proxy_module.xml" id="proxy_set_header"/>
537130c40c1f Updated r.subrequest desctiption in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2338
diff changeset
231 directive can be used.
537130c40c1f Updated r.subrequest desctiption in njs.
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parents: 2338
diff changeset
232 To send a completely new set of headers to a proxied server, the
537130c40c1f Updated r.subrequest desctiption in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2338
diff changeset
233 <link doc="../http/ngx_http_proxy_module.xml" id="proxy_pass_request_headers"/>
537130c40c1f Updated r.subrequest desctiption in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2338
diff changeset
234 directive can be used.
537130c40c1f Updated r.subrequest desctiption in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2338
diff changeset
235 </para>
537130c40c1f Updated r.subrequest desctiption in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2338
diff changeset
236
537130c40c1f Updated r.subrequest desctiption in njs.
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diff changeset
237 <para>
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238 If <literal>options</literal> is a string, then it
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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diff changeset
239 holds the subrequest arguments string.
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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diff changeset
240 Otherwise, <literal>options</literal> is expected to be
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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diff changeset
241 an object with the following keys:
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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parents: 2246
diff changeset
242 <list type="tag">
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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diff changeset
243 <tag-name><literal>args</literal></tag-name>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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diff changeset
244 <tag-desc>
2344
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parents: 2340
diff changeset
245 arguments string, by default an empty string is used
2247
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246 </tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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diff changeset
247 <tag-name><literal>body</literal></tag-name>
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diff changeset
248 <tag-desc>
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diff changeset
249 request body,
ea8ccaac18b4 Added default values for r.subrequest options in njs.
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diff changeset
250 by default the request body of the parent request object is used
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diff changeset
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><literal>method</literal></tag-name>
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diff changeset
254 <tag-desc>
2344
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diff changeset
255 HTTP method, by default the <literal>GET</literal> method is used
2247
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256 </tag-desc>
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257
2507
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258 <tag-name><literal>detached</literal></tag-name>
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259 <tag-desc>
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260 boolean flag (<link doc="changes.xml" id="njs0.3.9">0.3.9</link>),
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261 if <literal>true</literal>, the created subrequest is a detached subrequest.
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262 Responses to detached subrequests are ignored.
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diff changeset
263 Unlike ordinary subrequests, a detached subrequest
8ad2ea80e0c2 njs-0.3.9
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diff changeset
264 can be created inside a variable handler.
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265 The detached flag and callback argument are mutually exclusive.
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266 </tag-desc>
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267
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268 </list>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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269 </para>
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270
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diff changeset
271 <para>
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272 The completion <literal>callback</literal> receives
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diff changeset
273 a subrequest response object with methods and properties
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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diff changeset
274 identical to the parent request object.
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275 </para>
2484
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276
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277 <para>
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278 Since <link doc="changes.xml" id="njs0.3.8">0.3.8</link>,
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279 if a <literal>callback</literal> is not provided,
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280 the <literal>Promise</literal> object
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diff changeset
281 that resolves to the subrequest response object is returned.
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282 </para>
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283 </tag-desc>
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284
2545
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285 <tag-name id="r_uri"><literal>r.uri</literal></tag-name>
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286 <tag-desc>
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287 current <link doc="../http/ngx_http_core_module.xml" id="var_uri">URI</link>
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288 in request,
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289 <link doc="../http/ngx_http_core_module.xml" id="location">normalized</link>,
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diff changeset
290 read-only
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parents: 2544
diff changeset
291 </tag-desc>
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parents: 2544
diff changeset
292
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diff changeset
293 <tag-name id="r_variables"><literal>r.variables{}</literal></tag-name>
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294 <tag-desc>
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diff changeset
295 nginx variables object,
dca5a7053a6c Sorted alphabetically njs http methods.
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diff changeset
296 writable (since <link doc="changes.xml" id="njs0.2.8">0.2.8</link>)
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297 </tag-desc>
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Yaroslav Zhuravlev <yar@nginx.com>
parents: 2544
diff changeset
298
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diff changeset
299 <tag-name><literal>r.warn(<value>string</value>)</literal></tag-name>
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Yaroslav Zhuravlev <yar@nginx.com>
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diff changeset
300 <tag-desc>
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diff changeset
301 writes a <literal>string</literal> to the error log
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Yaroslav Zhuravlev <yar@nginx.com>
parents: 2544
diff changeset
302 on the <literal>warning</literal> level of logging
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Yaroslav Zhuravlev <yar@nginx.com>
parents: 2544
diff changeset
303 </tag-desc>
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parents: 2544
diff changeset
304
2247
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305 </list>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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diff changeset
306 </para>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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diff changeset
307
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
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diff changeset
308 </section>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
309
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
310
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
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diff changeset
311 <section id="stream" name="Stream Session">
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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diff changeset
312
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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parents: 2246
diff changeset
313 <para>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
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diff changeset
314 The stream session object is available only in the
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
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diff changeset
315 <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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parents: 2246
diff changeset
316 module.
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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parents: 2246
diff changeset
317 All string properties of the object are <link id="string">byte strings</link>.
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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diff changeset
318 </para>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
319
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
320 <para>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
321 <list type="tag">
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
322
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
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diff changeset
323 <tag-name id="s_allow"><literal>s.allow()</literal></tag-name>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
324 <tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
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diff changeset
325 successfully finalizes the phase handler
2337
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diff changeset
326 (<link doc="changes.xml" id="njs0.2.4">0.2.4</link>)
2247
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diff changeset
327 </tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
328
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
329 <tag-name id="s_decline"><literal>s.decline()</literal></tag-name>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
330 <tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
331 finalizes the phase handler and passes control to the next handler
2337
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Yaroslav Zhuravlev <yar@nginx.com>
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diff changeset
332 (<link doc="changes.xml" id="njs0.2.4">0.2.4</link>)
2247
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diff changeset
333 </tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
334
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
335 <tag-name id="s_deny"><literal>s.deny()</literal></tag-name>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
336 <tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
337 finalizes the phase handler with the access error code
2337
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Yaroslav Zhuravlev <yar@nginx.com>
parents: 2332
diff changeset
338 (<link doc="changes.xml" id="njs0.2.4">0.2.4</link>)
2247
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diff changeset
339 </tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
340
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
341 <tag-name id="s_done"><literal>s.done</literal>(<value>[code]</value>)</tag-name>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
342 <tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
343 successfully finalizes the current phase handler
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
344 or finalizes it with the specified numeric code
2337
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Yaroslav Zhuravlev <yar@nginx.com>
parents: 2332
diff changeset
345 (<link doc="changes.xml" id="njs0.2.4">0.2.4</link>).
2247
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Yaroslav Zhuravlev <yar@nginx.com>
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diff changeset
346 </tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
347
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
348 <tag-name><literal>s.error(<value>string</value>)</literal></tag-name>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
349 <tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
350 writes a sent <literal>string</literal> to the error log
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
351 on the <literal>error</literal> level of logging
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
352 </tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
353
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
354 <tag-name><literal>s.log(<value>string</value>)</literal></tag-name>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
355 <tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
356 writes a sent <value>string</value> to the error log
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
357 on the <literal>info</literal> level of logging
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
358 </tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
359
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
360 <tag-name id="s_off"><literal>s.off(<value>eventName</value>)</literal></tag-name>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
361 <tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
362 unregisters the callback set by the <link id="s_on">s.on()</link> method
2337
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Yaroslav Zhuravlev <yar@nginx.com>
parents: 2332
diff changeset
363 (<link doc="changes.xml" id="njs0.2.4">0.2.4</link>)
2247
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
364 </tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
365
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
366 <tag-name id="s_on"><literal>s.on(<value>event</value>,
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
367 <value>callback</value>)</literal></tag-name>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
368 <tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
369 registers a <literal>callback</literal> for the specified <literal>event</literal>
2337
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Yaroslav Zhuravlev <yar@nginx.com>
parents: 2332
diff changeset
370 (<link doc="changes.xml" id="njs0.2.4">0.2.4</link>).
2247
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
371
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
372 <para>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
373 An <literal>event</literal> may be one of the following strings:
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
374 <list type="tag">
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
375 <tag-name><literal>upload</literal></tag-name>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
376 <tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
377 new data from a client
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
378 </tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
379
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
380 <tag-name><literal>download</literal></tag-name>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
381 <tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
382 new data to a client
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
383 </tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
384
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
385 </list>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
386 </para>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
387
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
388 <para>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
389 The completion callback has the following prototype:
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
390 <literal>callback(data, flags)</literal>, where
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
391 <literal>data</literal> is string,
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
392 <literal>flags</literal> is an object
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
393 with the following properties:
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
394 <list type="tag">
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
395 <tag-name id="s_on_callback_last"><literal>last</literal></tag-name>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
396 <tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
397 a boolean value, true if data is a last buffer.
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
398 </tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
399
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
400 </list>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
401 </para>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
402 </tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
403
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
404 <tag-name><literal>s.remoteAddress</literal></tag-name>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
405 <tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
406 client address, read-only
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
407 </tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
408
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
409 <tag-name id="s_send"><literal>s.send(<value>data</value>[,
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
410 <value>options</value>])</literal></tag-name>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
411 <tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
412 sends the data to the client
2337
867fe207f13e Updated links to changes.xml in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2332
diff changeset
413 (<link doc="changes.xml" id="njs0.2.4">0.2.4</link>).
2247
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
414 The <literal>options</literal> is an object used
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
415 to override nginx buffer flags derived from an incoming data chunk buffer.
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
416 The flags can be overriden with the following flags:
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
417 <para>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
418 <list type="tag">
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
419
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
420 <tag-name><literal>last</literal></tag-name>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
421 <tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
422 boolean, true if the buffer is the last buffer
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
423 </tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
424
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
425 <tag-name><literal>flush</literal></tag-name>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
426 <tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
427 boolean, true if the buffer should have the <literal>flush</literal> flag
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
428 </tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
429 </list>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
430 </para>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
431 The method can be called multiple times per callback invocation.
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
432 </tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
433
2338
39ac205f90b7 Documented that r.variables{} and s.variables{} are writable.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2337
diff changeset
434 <tag-name id="s_variables"><literal>s.variables{}</literal></tag-name>
2247
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
435 <tag-desc>
2338
39ac205f90b7 Documented that r.variables{} and s.variables{} are writable.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2337
diff changeset
436 nginx variables object, writable
39ac205f90b7 Documented that r.variables{} and s.variables{} are writable.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2337
diff changeset
437 (since <link doc="changes.xml" id="njs0.2.8">0.2.8</link>)
2247
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
438 </tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
439
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
440 <tag-name><literal>s.warn(<value>string</value>)</literal></tag-name>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
441 <tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
442 writes a sent <literal>string</literal> to the error log
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
443 on the <literal>warning</literal> level of logging
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
444 </tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
445
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
446 </list>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
447 </para>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
448
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
449 </section>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
450
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
451 </section>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
452
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
453
2176
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
454 <section id="core" name="Core">
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
455
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
456
2405
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
457 <section id="core_global" name="Global">
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
458
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
459
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
460 <section id="process" name="Process">
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
461
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
462 <para>
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
463 The <literal>process</literal> object is a global object
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
464 that provides information about the current process
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
465 (<link doc="changes.xml" id="njs0.3.3">0.3.3</link>).
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
466 </para>
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
467
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
468
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
469 <para>
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
470 <list type="tag">
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
471
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
472 <tag-name id="process_argv"><literal>process.argv</literal></tag-name>
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
473 <tag-desc>
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
474 Returns an array that contains the command line arguments
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
475 passed when the current process was launched.
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
476 </tag-desc>
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
477
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
478 <tag-name id="process_env"><literal>process.env</literal></tag-name>
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
479 <tag-desc>
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
480 Returns an object containing the user environment.
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
481 <note>
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
482 By default, nginx removes all environment variables inherited
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
483 from its parent process except the TZ variable.
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
484 Use the <link doc="../ngx_core_module.xml" id="env"/> directive
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
485 to preserve some of the inherited variables.
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
486 </note>
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
487 </tag-desc>
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
488
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
489 <tag-name id="process_pid"><literal>process.pid</literal></tag-name>
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
490 <tag-desc>
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
491 Returns the PID of the current process.
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
492 </tag-desc>
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
493
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
494 <tag-name id="process_ppid"><literal>process.ppid</literal></tag-name>
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
495 <tag-desc>
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
496 Returns the PID of the current parent process.
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
497 </tag-desc>
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
498
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
499 </list>
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
500 </para>
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
501
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
502 </section>
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
503
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
504 </section>
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
505
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
506
2312
1a6524706c70 njs-0.2.7
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2285
diff changeset
507 <section id="core_object" name="Object">
1a6524706c70 njs-0.2.7
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2285
diff changeset
508
1a6524706c70 njs-0.2.7
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2285
diff changeset
509 <para>
1a6524706c70 njs-0.2.7
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2285
diff changeset
510 The <literal>Object</literal> constructor corresponds to a standard JS object.
1a6524706c70 njs-0.2.7
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2285
diff changeset
511 <list type="tag">
1a6524706c70 njs-0.2.7
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2285
diff changeset
512
1a6524706c70 njs-0.2.7
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2285
diff changeset
513 <tag-name id="object_entries"><literal>Object.entries(<value>object</value>)</literal></tag-name>
1a6524706c70 njs-0.2.7
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2285
diff changeset
514 <tag-desc>
1a6524706c70 njs-0.2.7
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2285
diff changeset
515 returns an array of all enumerable property
1a6524706c70 njs-0.2.7
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2285
diff changeset
516 <literal>[key, value]</literal> pairs
1a6524706c70 njs-0.2.7
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2285
diff changeset
517 of the given <literal>object</literal>
1a6524706c70 njs-0.2.7
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2285
diff changeset
518 (<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
519 </tag-desc>
1a6524706c70 njs-0.2.7
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2285
diff changeset
520
1a6524706c70 njs-0.2.7
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2285
diff changeset
521 <tag-name id="object_values"><literal>Object.values(<value>object</value>)</literal></tag-name>
1a6524706c70 njs-0.2.7
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2285
diff changeset
522 <tag-desc>
1a6524706c70 njs-0.2.7
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2285
diff changeset
523 returns an array of all enumerable property values
1a6524706c70 njs-0.2.7
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2285
diff changeset
524 of the given <literal>object</literal>
1a6524706c70 njs-0.2.7
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2285
diff changeset
525 (<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
526 </tag-desc>
1a6524706c70 njs-0.2.7
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2285
diff changeset
527
1a6524706c70 njs-0.2.7
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2285
diff changeset
528 </list>
1a6524706c70 njs-0.2.7
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2285
diff changeset
529 </para>
1a6524706c70 njs-0.2.7
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2285
diff changeset
530
1a6524706c70 njs-0.2.7
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2285
diff changeset
531 </section>
1a6524706c70 njs-0.2.7
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2285
diff changeset
532
1a6524706c70 njs-0.2.7
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2285
diff changeset
533
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
534 <section id="string" name="String">
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
535
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
536 <para>
2315
ae56e4613280 Corrected language in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2313
diff changeset
537 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
538 a byte string.
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
539 </para>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
540
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
541 <para>
2315
ae56e4613280 Corrected language in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2313
diff changeset
542 A Unicode string corresponds to an ECMAScript string
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
543 which contains Unicode characters.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
544 </para>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
545
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
546 <para>
2315
ae56e4613280 Corrected language in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2313
diff changeset
547 Byte strings contain a sequence of bytes
ae56e4613280 Corrected language in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2313
diff changeset
548 and are used to serialize Unicode strings
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
549 to external data and deserialize from external sources.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
550 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
551 a Unicode string to a byte string using UTF8 encoding:
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 >> '£'.toUTF8().toString('hex')
2214
e029f4bc7ede Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2212
diff changeset
554 '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
555 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
556 The <link id="string_tobytes">toBytes()</link> method serializes
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
557 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
558 otherwise, <literal>null</literal> is returned:
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
559 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
560 >> '£'.toBytes().toString('hex')
2214
e029f4bc7ede Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2212
diff changeset
561 '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
562 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
563 Only byte strings can be converted to different encodings.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
564 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
565 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
566 >> 'αβγδ'.toString('base64')
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
567 TypeError: argument must be a byte string
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
568 at String.prototype.toString (native)
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
569 at main (native)
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
570 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
571 To convert a Unicode string to hex,
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
572 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
573 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
574 >> 'αβγδ'.toUTF8().toString('base64')
2214
e029f4bc7ede Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2212
diff changeset
575 'zrHOss6zzrQ='
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
576 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
577
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
578 <list type="tag">
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
579
2211
660229c5c92f Documented String.bytesFrom() method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2207
diff changeset
580 <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
581 | <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
582 <tag-desc>
660229c5c92f Documented String.bytesFrom() method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2207
diff changeset
583 (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
584 or from an encoded string
2337
867fe207f13e Updated links to changes.xml in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2332
diff changeset
585 (<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
586 The encoding can be
660229c5c92f Documented String.bytesFrom() method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2207
diff changeset
587 <literal>hex</literal>,
660229c5c92f Documented String.bytesFrom() method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2207
diff changeset
588 <literal>base64</literal>, and
660229c5c92f Documented String.bytesFrom() method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2207
diff changeset
589 <literal>base64url</literal>.
660229c5c92f Documented String.bytesFrom() method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2207
diff changeset
590 <example>
660229c5c92f Documented String.bytesFrom() method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2207
diff changeset
591 >> String.bytesFrom([0x62, 0x75, 0x66, 0x66, 0x65, 0x72])
660229c5c92f Documented String.bytesFrom() method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2207
diff changeset
592 'buffer'
660229c5c92f Documented String.bytesFrom() method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2207
diff changeset
593
660229c5c92f Documented String.bytesFrom() method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2207
diff changeset
594 >> String.bytesFrom('YnVmZmVy', 'base64')
660229c5c92f Documented String.bytesFrom() method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2207
diff changeset
595 'buffer'
660229c5c92f Documented String.bytesFrom() method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2207
diff changeset
596 </example>
660229c5c92f Documented String.bytesFrom() method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2207
diff changeset
597 </tag-desc>
660229c5c92f Documented String.bytesFrom() method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2207
diff changeset
598
2271
34a1901e663d Described charAt, codePointAt, fromCharCode in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2268
diff changeset
599 <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
600 <value>CharCodeN</value>]])</literal></tag-name>
34a1901e663d Described charAt, codePointAt, fromCharCode in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2268
diff changeset
601 <tag-desc>
34a1901e663d Described charAt, codePointAt, fromCharCode in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2268
diff changeset
602 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
603 <example>
34a1901e663d Described charAt, codePointAt, fromCharCode in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2268
diff changeset
604 >> String.fromCharCode(97, 98, 99, 100)
34a1901e663d Described charAt, codePointAt, fromCharCode in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2268
diff changeset
605 'abcd'
34a1901e663d Described charAt, codePointAt, fromCharCode in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2268
diff changeset
606 </example>
34a1901e663d Described charAt, codePointAt, fromCharCode in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2268
diff changeset
607 </tag-desc>
34a1901e663d Described charAt, codePointAt, fromCharCode in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2268
diff changeset
608
2267
c30048802769 Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2259
diff changeset
609 <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
610 <value>codePoint2</value>]])</literal></tag-name>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
611 <tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
612 Returns a string from one or more Unicode code points.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
613 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
614 >> String.fromCodePoint(97, 98, 99, 100)
2214
e029f4bc7ede Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2212
diff changeset
615 'abcd'
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
616 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
617 </tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
618
2271
34a1901e663d Described charAt, codePointAt, fromCharCode in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2268
diff changeset
619 <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
620 <tag-desc>
34a1901e663d Described charAt, codePointAt, fromCharCode in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2268
diff changeset
621 Returns a string representing one Unicode code unit
34a1901e663d Described charAt, codePointAt, fromCharCode in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2268
diff changeset
622 at the specified <literal>index</literal>;
34a1901e663d Described charAt, codePointAt, fromCharCode in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2268
diff changeset
623 empty string if index is out of range.
2315
ae56e4613280 Corrected language in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2313
diff changeset
624 The index can be an integer
2271
34a1901e663d Described charAt, codePointAt, fromCharCode in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2268
diff changeset
625 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
626 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
627 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
628 </tag-desc>
34a1901e663d Described charAt, codePointAt, fromCharCode in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2268
diff changeset
629
34a1901e663d Described charAt, codePointAt, fromCharCode in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2268
diff changeset
630 <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
631 <tag-desc>
34a1901e663d Described charAt, codePointAt, fromCharCode in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2268
diff changeset
632 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
633 at the given <literal>position</literal>;
2271
34a1901e663d Described charAt, codePointAt, fromCharCode in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2268
diff changeset
634 <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
635 <example>
34a1901e663d Described charAt, codePointAt, fromCharCode in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2268
diff changeset
636 >> 'ABCD'.codePointAt(3);
34a1901e663d Described charAt, codePointAt, fromCharCode in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2268
diff changeset
637 68
34a1901e663d Described charAt, codePointAt, fromCharCode in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2268
diff changeset
638 </example>
34a1901e663d Described charAt, codePointAt, fromCharCode in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2268
diff changeset
639 </tag-desc>
34a1901e663d Described charAt, codePointAt, fromCharCode in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2268
diff changeset
640
2267
c30048802769 Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2259
diff changeset
641 <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
642 <value>stringN</value>])</literal></tag-name>
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 Returns a string that contains the concatenation of specified
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
645 <literal>strings</literal>.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
646 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
647 >> "a".concat("b", "c")
2214
e029f4bc7ede Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2212
diff changeset
648 'abc'
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
649 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
650 </tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
651
2267
c30048802769 Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2259
diff changeset
652 <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
653 <value>length</value>])</literal></tag-name>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
654 <tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
655 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
656 of a specified string, otherwise <literal>false</literal>.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
657 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
658 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
659 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
660 >> 'abc'.endsWith('abc')
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
661 true
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
662 >> 'abca'.endsWith('abc')
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
663 false
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
664 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
665 </tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
666
2267
c30048802769 Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2259
diff changeset
667 <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
668 <value>end</value>])</literal></tag-name>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
669 <tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
670 (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
671 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
672 </tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
673
2267
c30048802769 Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2259
diff changeset
674 <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
675 <value>end</value>])</literal></tag-name>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
676 <tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
677 (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
678 into a Unicode string,
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
679 otherwise <literal>null</literal> is returned.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
680 </tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
681
2267
c30048802769 Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2259
diff changeset
682 <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
683 <value>position</value>]))</literal></tag-name>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
684 <tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
685 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
686 otherwise <literal>false</literal>.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
687 The optional <literal>position</literal> parameter is the position
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
688 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
689 Default value is 0.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
690 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
691 >> 'abc'.includes('bc')
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
692 true
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
693 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
694 </tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
695
2267
c30048802769 Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2259
diff changeset
696 <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
697 <value>fromIndex</value>])</literal></tag-name>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
698 <tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
699 Returns the position of the first occurrence
2315
ae56e4613280 Corrected language in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2313
diff changeset
700 of the <literal>searchString</literal>.
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
701 The search is started at <literal>fromIndex</literal>.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
702 Returns <value>-1</value> if the value is not found.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
703 The <literal>fromIndex</literal> is an integer,
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
704 default value is 0.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
705 If <literal>fromIndex</literal> is lower than 0
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
706 or greater than
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
707 <link id="string_length">String.prototype.length</link><value></value>,
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
708 the search starts at index <value>0</value> and
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
709 <value>String.prototype.length</value>.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
710 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
711 >> 'abcdef'.indexOf('de', 2)
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
712 3
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
713 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
714 </tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
715
2267
c30048802769 Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2259
diff changeset
716 <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
717 <value>fromIndex</value>])</literal></tag-name>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
718 <tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
719 Returns the position of the last occurrence
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
720 of the <literal>searchString</literal>,
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
721 searching backwards from <literal>fromIndex</literal>.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
722 Returns <value>-1</value> if the value is not found.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
723 If <literal>searchString</literal> is empty,
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
724 then <literal>fromIndex</literal> is returned.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
725 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
726 >> "nginx".lastIndexOf("gi")
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
727 1
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
728 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
729 </tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
730
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
731 <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
732 <tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
733 Returns the length of the string.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
734 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
735 >> 'αβγδ'.length
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
736 4
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
737 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
738 </tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
739
2267
c30048802769 Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2259
diff changeset
740 <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
741 <tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
742 Matches a string against a <literal>regexp</literal>.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
743 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
744 >> 'nginx'.match( /ng/i )
2214
e029f4bc7ede Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2212
diff changeset
745 'ng'
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
746 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
747 </tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
748
2212
c34a885b9d99 Documented padEnd() and padStart() for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2211
diff changeset
749 <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
750 [, <value>string</value>])</literal></tag-name>
c34a885b9d99 Documented padEnd() and padStart() for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2211
diff changeset
751 <tag-desc>
c34a885b9d99 Documented padEnd() and padStart() for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2211
diff changeset
752 Returns a string of a specified <literal>length</literal>
2315
ae56e4613280 Corrected language in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2313
diff changeset
753 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
754 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
755 <example>
c34a885b9d99 Documented padEnd() and padStart() for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2211
diff changeset
756 >> '1234'.padEnd(8, 'abcd')
c34a885b9d99 Documented padEnd() and padStart() for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2211
diff changeset
757 '1234abcd'
c34a885b9d99 Documented padEnd() and padStart() for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2211
diff changeset
758 </example>
c34a885b9d99 Documented padEnd() and padStart() for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2211
diff changeset
759 </tag-desc>
c34a885b9d99 Documented padEnd() and padStart() for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2211
diff changeset
760
c34a885b9d99 Documented padEnd() and padStart() for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2211
diff changeset
761 <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
762 [, <value>string</value>])</literal></tag-name>
c34a885b9d99 Documented padEnd() and padStart() for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2211
diff changeset
763 <tag-desc>
c34a885b9d99 Documented padEnd() and padStart() for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2211
diff changeset
764 Returns a string of a specified <literal>length</literal>
2315
ae56e4613280 Corrected language in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2313
diff changeset
765 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
766 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
767 <example>
c34a885b9d99 Documented padEnd() and padStart() for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2211
diff changeset
768 >> '1234'.padStart(8, 'abcd')
c34a885b9d99 Documented padEnd() and padStart() for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2211
diff changeset
769 'abcd1234'
c34a885b9d99 Documented padEnd() and padStart() for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2211
diff changeset
770 </example>
c34a885b9d99 Documented padEnd() and padStart() for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2211
diff changeset
771 </tag-desc>
c34a885b9d99 Documented padEnd() and padStart() for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2211
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_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
774 <tag-desc>
2315
ae56e4613280 Corrected language in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2313
diff changeset
775 Returns a string
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
776 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
777 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
778 >> 'abc'.repeat(3)
2214
e029f4bc7ede Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2212
diff changeset
779 'abcabcabc'
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
2267
c30048802769 Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2259
diff changeset
783 <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
784 <value>string</value>|<value>function</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 Returns a new string with matches of a pattern
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
787 (<literal>string</literal> or a <literal>regexp</literal>)
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
788 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
789 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
790 >> 'abcdefgh'.replace('d', 1)
2214
e029f4bc7ede Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2212
diff changeset
791 'abc1efgh'
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
792 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
793 </tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
794
2267
c30048802769 Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2259
diff changeset
795 <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
796 <tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
797 Searches for a string using a <literal>regexp</literal>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
798 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
799 >> 'abcdefgh'.search('def')
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
800 3
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
801 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
802 </tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
803
2267
c30048802769 Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2259
diff changeset
804 <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
805 <value>end</value>])</literal></tag-name>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
806 <tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
807 Returns a new string containing a part of an
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
808 original string between <literal>start</literal>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
809 and <literal>end</literal> or
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
810 from <literal>start</literal> to the end of the string.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
811 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
812 >> 'abcdefghijklmno'.slice(NaN, 5)
2214
e029f4bc7ede Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2212
diff changeset
813 'abcde'
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
814 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
815 </tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
816
2268
cd1b26111884 Moved string.split to follow alphabetical order.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2267
diff changeset
817 <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
818 <value>limit</value>]]))</literal></tag-name>
cd1b26111884 Moved string.split to follow alphabetical order.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2267
diff changeset
819 <tag-desc>
cd1b26111884 Moved string.split to follow alphabetical order.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2267
diff changeset
820 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
821 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
822 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
823 <example>
cd1b26111884 Moved string.split to follow alphabetical order.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2267
diff changeset
824 >> 'abc'.split('')
cd1b26111884 Moved string.split to follow alphabetical order.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2267
diff changeset
825 [
cd1b26111884 Moved string.split to follow alphabetical order.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2267
diff changeset
826 'a',
cd1b26111884 Moved string.split to follow alphabetical order.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2267
diff changeset
827 'b',
cd1b26111884 Moved string.split to follow alphabetical order.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2267
diff changeset
828 'c'
cd1b26111884 Moved string.split to follow alphabetical order.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2267
diff changeset
829 ]
cd1b26111884 Moved string.split to follow alphabetical order.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2267
diff changeset
830 </example>
cd1b26111884 Moved string.split to follow alphabetical order.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2267
diff changeset
831 </tag-desc>
cd1b26111884 Moved string.split to follow alphabetical order.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2267
diff changeset
832
2267
c30048802769 Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2259
diff changeset
833 <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
834 <value>position</value>])</literal></tag-name>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
835 <tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
836 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
837 of a specified string, otherwise <literal>false</literal>.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
838 The optional <literal>position</literal> parameter is the position
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
839 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
840 Default value is 0.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
841 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
842 >> 'abc'.startsWith('abc')
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
843 true
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
844 > 'aabc'.startsWith('abc')
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
845 false
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
846 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
847 </tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
848
2267
c30048802769 Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2259
diff changeset
849 <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
850 <value>length</value>])</literal></tag-name>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
851 <tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
852 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
853 from <literal>start</literal>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
854 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
855 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
856 >> 'abcdefghijklmno'.substr(3, 5)
2214
e029f4bc7ede Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2212
diff changeset
857 'defgh'
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
858 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
859 </tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
860
2267
c30048802769 Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2259
diff changeset
861 <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
862 <value>end</value>])</literal></tag-name>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
863 <tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
864 Returns the part of the string between
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
865 <literal>start</literal> and <literal>end</literal> or
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
866 from <literal>start</literal> to the end of the string.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
867 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
868 >> 'abcdefghijklmno'.substring(3, 5)
2214
e029f4bc7ede Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2212
diff changeset
869 'de'
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
870 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
871 </tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
872
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
873 <tag-name id="string_tobytes"><literal>String.prototype.toBytes(start[,
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
874 end])</literal></tag-name>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
875 <tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
876 (njs specific) Serializes a Unicode string to a byte string.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
877 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
878 found in the string.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
879 </tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
880
2267
c30048802769 Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2259
diff changeset
881 <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
882 <tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
883 Converts a string to lower case.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
884 The method supports only simple Unicode folding.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
885 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
886 >> 'ΑΒΓΔ'.toLowerCase()
2214
e029f4bc7ede Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2212
diff changeset
887 'αβγδ'
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
888 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
889 </tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
890
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
891 <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
892 <tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
893 <para>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
894 If no <literal>encoding</literal> is specified,
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
895 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
896 </para>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
897
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
898 <para>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
899 (njs specific) If <literal>encoding</literal> is specified,
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
900 encodes a <link id="string_tobytes">byte string</link> to
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
901 <literal>hex</literal>,
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
902 <literal>base64</literal>, or
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
903 <literal>base64url</literal>.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
904 </para>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
905 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
906 >> 'αβγδ'.toUTF8().toString('base64url')
2214
e029f4bc7ede Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2212
diff changeset
907 'zrHOss6zzrQ'
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
908 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
909 </tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
910
2267
c30048802769 Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2259
diff changeset
911 <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
912 <tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
913 Converts a string to upper case.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
914 The method supports only simple Unicode folding.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
915 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
916 >> 'αβγδ'.toUpperCase()
2214
e029f4bc7ede Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2212
diff changeset
917 'ΑΒΓΔ'
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
918 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
919 </tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
920
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
921 <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
922 <value>end</value>])</literal></tag-name>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
923 <tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
924 (njs specific) Serializes a Unicode string
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
925 to a byte string using UTF8 encoding.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
926 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
927 >> 'αβγδ'.toUTF8().length
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
928 8
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
929 >> 'αβγδ'.length
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
930 4
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
931 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
932 </tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
933
2267
c30048802769 Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2259
diff changeset
934 <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
935 <tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
936 Removes whitespaces from both ends of a string.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
937 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
938 >> ' abc '.trim()
2214
e029f4bc7ede Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2212
diff changeset
939 'abc'
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
940 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
941 </tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
942
2414
3b7223f9aac8 njs-0.3.4
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2405
diff changeset
943 <tag-name id="string_trimend"><literal>String.prototype.trimEnd()</literal></tag-name>
3b7223f9aac8 njs-0.3.4
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2405
diff changeset
944 <tag-desc>
3b7223f9aac8 njs-0.3.4
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2405
diff changeset
945 Removes whitespaces from the end of a string
3b7223f9aac8 njs-0.3.4
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2405
diff changeset
946 (<link doc="changes.xml" id="njs0.3.4">0.3.4</link>).
3b7223f9aac8 njs-0.3.4
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2405
diff changeset
947 <example>
3b7223f9aac8 njs-0.3.4
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2405
diff changeset
948 >> ' abc '.trimEnd()
3b7223f9aac8 njs-0.3.4
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2405
diff changeset
949 ' abc'
3b7223f9aac8 njs-0.3.4
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2405
diff changeset
950 </example>
3b7223f9aac8 njs-0.3.4
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2405
diff changeset
951 </tag-desc>
3b7223f9aac8 njs-0.3.4
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2405
diff changeset
952
3b7223f9aac8 njs-0.3.4
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2405
diff changeset
953 <tag-name id="string_trimstart"><literal>String.prototype.trimStart()</literal></tag-name>
3b7223f9aac8 njs-0.3.4
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2405
diff changeset
954 <tag-desc>
3b7223f9aac8 njs-0.3.4
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2405
diff changeset
955 Removes whitespaces from the beginning of a string
3b7223f9aac8 njs-0.3.4
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2405
diff changeset
956 (<link doc="changes.xml" id="njs0.3.4">0.3.4</link>).
3b7223f9aac8 njs-0.3.4
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2405
diff changeset
957 <example>
3b7223f9aac8 njs-0.3.4
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2405
diff changeset
958 >> ' abc '.trimStart()
3b7223f9aac8 njs-0.3.4
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2405
diff changeset
959 'abc '
3b7223f9aac8 njs-0.3.4
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2405
diff changeset
960 </example>
3b7223f9aac8 njs-0.3.4
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2405
diff changeset
961 </tag-desc>
3b7223f9aac8 njs-0.3.4
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2405
diff changeset
962
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
963 <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
964 <tag-desc>
2315
ae56e4613280 Corrected language in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2313
diff changeset
965 Encodes a URI by replacing each instance of certain characters
ae56e4613280 Corrected language in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2313
diff changeset
966 by one, two, three, or four escape sequences
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
967 representing the UTF-8 encoding of the character
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
968 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
969 >> encodeURI('012αβγδ')
2214
e029f4bc7ede Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2212
diff changeset
970 '012%CE%B1%CE%B2%CE%B3%CE%B4'
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
971 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
972 </tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
973
2267
c30048802769 Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2259
diff changeset
974 <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
975 <tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
976 Encodes a URI by replacing each instance of certain characters
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
977 by one, two, three, or four escape sequences
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
978 representing the UTF-8 encoding of the character.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
979 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
980 >> encodeURIComponent('[@?=')
2214
e029f4bc7ede Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2212
diff changeset
981 '%5B%40%3F%3D'
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
982 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
983 </tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
984
2267
c30048802769 Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2259
diff changeset
985 <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
986 <tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
987 Decodes a previously <link id="encodeuri">encoded</link> URI.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
988 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
989 >> 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
990 '012αβγδ'
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
991 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
992 </tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
993
2267
c30048802769 Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2259
diff changeset
994 <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
995 <tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
996 Decodes an encoded component of a previously encoded URI.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
997 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
998 >> decodeURIComponent('%5B%40%3F%3D')
2214
e029f4bc7ede Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2212
diff changeset
999 '[@?='
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
1000 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
1001 </tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
1002
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
1003 </list>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
1004 </para>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
1005
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
1006 </section>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
1007
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
1008
2176
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
1009 <section id="core_json" name="JSON">
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
1010
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
1011 <para>
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
1012 The <literal>JSON</literal> object (ES 5.1) provides functions
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
1013 to convert njs values to and from JSON format.
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
1014 <list type="tag">
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
1015
2394
bde611cbb7ae Reordered some items in njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2356
diff changeset
1016 <tag-name id="core_json_parse"><literal>JSON.parse(<value>string</value>[,
2176
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
1017 <value>reviver</value>])</literal></tag-name>
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
1018 <tag-desc>
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
1019 Converts a <literal>string</literal> that represents JSON data
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
1020 into an njs object (<literal>{...}</literal>) or
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
1021 array (<literal>[...]</literal>).
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
1022 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
1023 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
1024 </tag-desc>
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
1025
2394
bde611cbb7ae Reordered some items in njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2356
diff changeset
1026 <tag-name id="core_json_stringify"><literal>JSON.stringify(<value>value</value>[,
2176
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
1027 <value>replacer</value>] [, <value>space</value>])</literal></tag-name>
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
1028 <tag-desc>
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
1029 Converts an njs object back to JSON.
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
1030 The obligatory <literal>value</literal> parameter is generally a JSON
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
1031 <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
1032 If the value has a <literal>toJSON()</literal> method,
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
1033 it defines how the object will be serialized.
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
1034 The optional <literal>replacer</literal> parameter is
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
1035 a <literal>function</literal> or <literal>array</literal>
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
1036 that transforms results.
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
1037 The optional <literal>space</literal> parameter is
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
1038 a <literal>string</literal> or <literal>number</literal>.
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
1039 If it is a <literal>number</literal>,
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
1040 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
1041 (no more than 10).
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
1042 If it is a <literal>string</literal>,
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
1043 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
1044 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
1045 </tag-desc>
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
1046 </list>
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
1047 </para>
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
1048
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
1049 <para>
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
1050 <example>
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
1051 >> var json = JSON.parse('{"a":1, "b":true}')
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
1052 >> json.a
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
1053 1
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
1054
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
1055 >> JSON.stringify(json)
2214
e029f4bc7ede Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2212
diff changeset
1056 '{"a":1,"b":true}'
2176
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
1057
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
1058 >> JSON.stringify({ x: [10, undefined, function(){}] })
2214
e029f4bc7ede Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2212
diff changeset
1059 '{"x":[10,null,null]}'
2176
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
1060
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
1061 >> JSON.stringify({"a":1, "toJSON": function() {return "xxx"}})
2214
e029f4bc7ede Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2212
diff changeset
1062 '"xxx"'
2176
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
1063
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
1064 # Example with function replacer
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
1065
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
1066 >> function replacer(key, value) {return (typeof value === 'string') ? undefined : value}
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
1067 >>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
1068 '{"a":1,"c":true}'
2176
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
1069 </example>
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
1070 </para>
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
1071
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
1072 </section>
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
1073
2177
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1074
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1075 <section id="crypto" name="Crypto">
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1076
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1077 <para>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1078 The Crypto module provides cryptographic functionality support.
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1079 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
1080 </para>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1081
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1082 <para>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1083 <list type="tag">
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1084
2267
c30048802769 Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2259
diff changeset
1085 <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
1086 <tag-desc>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1087 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
1088 that can be used to generate hash digests
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1089 using the given <value>algorithm</value>.
2496
9dddac1420fe Fixed typo in njs reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2484
diff changeset
1090 The algorithm can be
2177
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1091 <literal>md5</literal>,
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1092 <literal>sha1</literal>, and
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1093 <literal>sha256</literal>.
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1094 </tag-desc>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1095
2267
c30048802769 Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2259
diff changeset
1096 <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
1097 <value>secret key</value>)</literal></tag-name>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1098 <tag-desc>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1099 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
1100 that uses the given <value>algorithm</value> and <value>secret key</value>.
2496
9dddac1420fe Fixed typo in njs reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2484
diff changeset
1101 The algorithm can be
2177
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1102 <literal>md5</literal>,
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1103 <literal>sha1</literal>, and
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1104 <literal>sha256</literal>.
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1105 </tag-desc>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1106
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1107 </list>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1108 </para>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1109
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1110
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1111 <section id="crypto_hash" name="Hash">
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1112
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1113 <para>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1114 <list type="tag">
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1115
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1116 <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
1117 <tag-desc>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1118 Updates the hash content with the given <value>data</value>.
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1119 </tag-desc>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1120
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1121 <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
1122 <tag-desc>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1123 Calculates the digest of all of the data passed using
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1124 <literal>hash.update()</literal>.
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1125 The encoding can be
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1126 <literal>hex</literal>,
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1127 <literal>base64</literal>, and
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1128 <literal>base64url</literal>.
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1129 If encoding is not provided, a byte string is returned.
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1130 </tag-desc>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1131
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1132 </list>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1133 </para>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1134
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1135 <para>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1136 <example>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1137 >> var cr = require('crypto')
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1138 undefined
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1139
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1140 >> 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
1141 'BtlFlCqiamG-GMPiK_GbvKjdK10'
2177
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1142 </example>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1143 </para>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1144
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1145 </section>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1146
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1147
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1148 <section id="crypto_hmac" name="HMAC">
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1149
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1150 <para>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1151 <list type="tag">
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1152
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1153 <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
1154 <tag-desc>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1155 Updates the HMAC content with the given <value>data</value>.
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1156 </tag-desc>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1157
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1158 <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
1159 <tag-desc>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1160 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
1161 <literal>hmac.update()</literal>.
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1162 The encoding can be
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1163 <literal>hex</literal>,
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1164 <literal>base64</literal>, and
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1165 <literal>base64url</literal>.
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1166 If encoding is not provided, a byte string is returned.
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1167 </tag-desc>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1168 </list>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1169 </para>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1170
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1171 <para>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1172 <example>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1173 >> var cr = require('crypto')
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1174 undefined
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1175
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1176 >> 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
1177 'Oglm93xn23_MkiaEq_e9u8zk374'
2177
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1178 </example>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1179 </para>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1180
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1181 </section>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1182
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1183 </section>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1184
2203
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1185 <section id="njs_api_timers" name="Timers">
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1186
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1187 <para>
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1188
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1189 <list type="tag">
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1190
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1191 <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
1192 <tag-desc>
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1193 Cancels a <literal>timeout</literal> object
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1194 created by <link id="settimeout">setTimeout()</link>.
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1195 </tag-desc>
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1196
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1197 <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
1198 <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
1199 <tag-desc>
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1200 Calls a <literal>function</literal>
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1201 after a specified number of <literal>milliseconds</literal>.
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1202 One or more optional <literal>arguments</literal>
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1203 can be passed to the specified function.
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1204 Returns a <literal>timeout</literal> object.
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1205 <example>
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1206 function handler(v)
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1207 {
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1208 // ...
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1209 }
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1210
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1211 t = setTimeout(handler, 12);
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1212
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1213 // ...
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1214
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1215 clearTimeout(t);
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1216 </example>
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1217 </tag-desc>
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1218
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1219 </list>
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1220 </para>
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1221
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1222 </section>
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1223
2204
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1224
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1225 <section id="njs_api_fs" name="File System">
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1226
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1227 <para>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1228 The File System module provides operations with files.
2507
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1229 </para>
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1230
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1231 <para>
2204
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1232 The module object is returned by <literal>require('fs')</literal>.
2508
d3d5b67a1462 Language fixes in njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2507
diff changeset
1233 Since <link doc="changes.xml" id="njs0.3.9">0.3.9</link>,
d3d5b67a1462 Language fixes in njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2507
diff changeset
1234 promissified versions of file system methods are available through
2507
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1235 <literal>require('fs').promises</literal> object:
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1236 <example>
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1237 > var fs = require('fs').promises;
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1238 undefined
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1239 > fs.readFile("/file/path").then((data)=>console.log(data))
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1240 &lt;file data&gt;
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1241 </example>
2204
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1242 <list type="tag">
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1243
2507
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1244 <tag-name id="fs_accesssync"><literal>accessSync(<value>path</value>[,
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1245 <value>mode</value>])</literal></tag-name>
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1246 <tag-desc>
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1247 Synchronously tests permissions for a file or directory
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1248 specified in the <literal>path</literal>
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1249 (<link doc="changes.xml" id="njs0.3.9">0.3.9</link>).
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1250 If the check fails, an error will be returned,
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1251 otherwise, the method will return undefined.
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1252 <list type="tag">
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1253
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1254 <tag-name><literal>mode</literal></tag-name>
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1255 <tag-desc>
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1256 by default is <link id="access_const"><literal>fs.constants.F_OK</literal></link>.
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1257 The mode argument is an optional integer
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1258 that specifies the accessibility checks to be performed.
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1259 <example>
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1260 try {
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1261 fs.accessSync('/file/path', fs.constants.R_OK | fs.constants.W_OK);
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1262 console.log('has access');
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1263 } catch (e) {
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1264 console.log('no access');)
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1265 }
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1266 </example>
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1267 </tag-desc>
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1268
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1269 </list>
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1270 </tag-desc>
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1271
2204
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1272 <tag-name id="appendfilesync"><literal>appendFileSync(<value>filename</value>,
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1273 <value>data</value>[, <value>options</value>])</literal></tag-name>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1274 <tag-desc>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1275 Synchronously appends specified <literal>data</literal>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1276 to a file with provided <literal>filename</literal>.
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1277 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
1278 The <literal>options</literal> parameter is expected to be
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1279 an object with the following keys:
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1280 <list type="tag">
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1281
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1282 <tag-name><literal>mode</literal></tag-name>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1283 <tag-desc>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1284 mode option, by default is <literal>0o666</literal>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1285 </tag-desc>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1286
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1287 <tag-name><literal>flag</literal></tag-name>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1288 <tag-desc>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1289 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
1290 by default is <literal>a</literal>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1291 </tag-desc>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1292
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1293 </list>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1294 </tag-desc>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1295
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1296 <tag-name id="readfilesync"><literal>readFileSync(<value>filename</value>[,
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1297 <value>options</value>])</literal></tag-name>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1298 <tag-desc>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1299 Synchronously returns the contents of the file
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1300 with provided <literal>filename</literal>.
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1301 The <literal>options</literal> parameter holds
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1302 <literal>string</literal> that specifies encoding.
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1303 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
1304 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
1305 Otherwise, <literal>options</literal> is expected to be
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1306 an object with the following keys:
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1307 <list type="tag">
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1308
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1309 <tag-name><literal>encoding</literal></tag-name>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1310 <tag-desc>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1311 encoding, by default is not specified.
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1312 The encoding can be <literal>utf8</literal>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1313 </tag-desc>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1314
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1315 <tag-name><literal>flag</literal></tag-name>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1316 <tag-desc>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1317 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
1318 by default is <literal>r</literal>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1319 </tag-desc>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1320
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1321 </list>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1322 <example>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1323 >> var fs = require('fs')
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1324 undefined
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1325 >> var file = fs.readFileSync('/file/path.tar.gz')
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1326 undefined
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1327 >> var gzipped = /^\x1f\x8b/.test(file); gzipped
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1328 true
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1329 </example>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1330 </tag-desc>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1331
2507
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1332 <tag-name id="fs_realpathsync"><literal>realpathSync(<value>path</value>[,
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1333 <value>options</value>])</literal></tag-name>
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1334 <tag-desc>
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1335 Synchronously computes the canonical pathname by resolving
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1336 <literal>.</literal>, <literal>..</literal> and symbolic links using
2508
d3d5b67a1462 Language fixes in njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2507
diff changeset
1337 <link url="http://man7.org/linux/man-pages/man3/realpath.3.html">realpath(3)</link>.
2507
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1338 The <literal>options</literal> argument can be a string specifying an encoding,
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1339 or an object with an encoding property specifying the character encoding
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1340 to use for the path passed to the callback
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1341 (<link doc="changes.xml" id="njs0.3.9">0.3.9</link>).
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1342 </tag-desc>
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1343
2509
827a6d7fe108 Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2508
diff changeset
1344 <tag-name id="fs_renamesync"><literal>renameSync(<value>oldPath</value>,
827a6d7fe108 Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2508
diff changeset
1345 <value>newPath</value>)</literal></tag-name>
827a6d7fe108 Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2508
diff changeset
1346 <tag-desc>
827a6d7fe108 Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2508
diff changeset
1347 Synchronously changes the name or location of a file from
827a6d7fe108 Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2508
diff changeset
1348 <literal>oldPath</literal> to <literal>newPath</literal>
827a6d7fe108 Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2508
diff changeset
1349 (<link doc="changes.xml" id="njs0.3.4">0.3.4</link>).
827a6d7fe108 Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2508
diff changeset
1350 <example>
827a6d7fe108 Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2508
diff changeset
1351 >> var fs = require('fs')
827a6d7fe108 Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2508
diff changeset
1352 undefined
827a6d7fe108 Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2508
diff changeset
1353 >> var file = fs.renameSync('hello.txt', 'HelloWorld.txt')
827a6d7fe108 Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2508
diff changeset
1354 undefined
827a6d7fe108 Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2508
diff changeset
1355 </example>
827a6d7fe108 Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2508
diff changeset
1356 </tag-desc>
827a6d7fe108 Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2508
diff changeset
1357
827a6d7fe108 Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2508
diff changeset
1358 <tag-name id="fs_symlinksync"><literal>symlinkSync(<value>target</value>,
827a6d7fe108 Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2508
diff changeset
1359 <value>path</value>)</literal></tag-name>
827a6d7fe108 Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2508
diff changeset
1360 <tag-desc>
827a6d7fe108 Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2508
diff changeset
1361 Synchronously creates the link called <literal>path</literal>
827a6d7fe108 Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2508
diff changeset
1362 pointing to <literal>target</literal> using
827a6d7fe108 Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2508
diff changeset
1363 <link url="http://man7.org/linux/man-pages/man2/symlink.2.html">symlink(2)</link>
827a6d7fe108 Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2508
diff changeset
1364 (<link doc="changes.xml" id="njs0.3.9">0.3.9</link>).
827a6d7fe108 Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2508
diff changeset
1365 Relative targets are relative to the link’s parent directory.
827a6d7fe108 Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2508
diff changeset
1366 </tag-desc>
827a6d7fe108 Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2508
diff changeset
1367
827a6d7fe108 Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2508
diff changeset
1368 <tag-name id="fs_unlinksync"><literal>unlinkSync(<value>path</value>)</literal></tag-name>
827a6d7fe108 Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2508
diff changeset
1369 <tag-desc>
827a6d7fe108 Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2508
diff changeset
1370 Synchronously unlinks a file by <literal>path</literal>
827a6d7fe108 Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2508
diff changeset
1371 (<link doc="changes.xml" id="njs0.3.9">0.3.9</link>).
827a6d7fe108 Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2508
diff changeset
1372 </tag-desc>
827a6d7fe108 Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2508
diff changeset
1373
2204
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1374 <tag-name id="writefilesync"><literal>writeFileSync(<value>filename</value>,
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1375 <value>data</value>[,
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1376 <value>options</value>])</literal></tag-name>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1377 <tag-desc>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1378 Synchronously writes <literal>data</literal> to a file
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1379 with provided <literal>filename</literal>.
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1380 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
1381 if the file exists, it will be replaced.
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1382 The <literal>options</literal> parameter is expected to be
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1383 an object with the following keys:
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1384 <list type="tag">
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1385 <tag-name><literal>mode</literal></tag-name>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1386 <tag-desc>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1387 mode option, by default is <literal>0o666</literal>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1388 </tag-desc>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1389
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1390 <tag-name><literal>flag</literal></tag-name>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1391 <tag-desc>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1392 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
1393 by default is <literal>w</literal>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1394 </tag-desc>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1395
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1396 </list>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1397 <example>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1398 >> var fs = require('fs')
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1399 undefined
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1400 >> var file = fs.writeFileSync('hello.txt', 'Hello world')
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1401 undefined
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1402 </example>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1403 </tag-desc>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1404
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1405 </list>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1406 </para>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1407
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1408
2507
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1409 <section id="access_const" name="File Access Constants">
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1410
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1411 <para>
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1412 The <link id="fs_accesssync"><literal>access()</literal></link> method
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1413 can accept the following flags.
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1414 These flags are exported by <literal>fs.constants</literal>:
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1415
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1416 <list type= "bullet" compact="no">
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1417
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1418 <listitem>
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1419 <literal>F_OK</literal>&mdash;indicates that the file
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1420 is visible to the calling process,
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1421 used by default if no mode is specified
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1422 </listitem>
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1423
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1424 <listitem>
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1425 <literal>R_OK</literal>&mdash;indicates that the file can be
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1426 read by the calling process
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1427 </listitem>
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1428
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1429 <listitem>
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1430 <literal>W_OK</literal>&mdash;indicates that the file can be
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1431 written by the calling process
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1432 </listitem>
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1433
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1434 <listitem>
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1435 <literal>X_OK</literal>&mdash;indicates that the file can be
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1436 executed by the calling process
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1437 </listitem>
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1438
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1439 </list>
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1440 </para>
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1441
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1442 </section>
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1443
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1444
2204
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1445 <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
1446
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1447 <para>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1448 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
1449
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1450 <list type= "bullet" compact="no">
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1451
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1452 <listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1453 <literal>a</literal>&mdash;open a file for appending.
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1454 The file is created if it does not exist
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1455 </listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1456
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1457 <listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1458 <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
1459 but fails if the file already exists
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1460 </listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1461
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1462 <listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1463 <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
1464 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
1465 </listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1466
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1467 <listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1468 <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
1469 but fails if the file already exists
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1470 </listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1471
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1472 <listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1473 <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
1474 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
1475 </listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1476
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1477 <listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1478 <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
1479 in synchronous mode.
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1480 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
1481 </listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1482
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1483 <listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1484 <literal>r</literal>&mdash;open a file for reading.
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1485 An exception occurs if the file does not exist
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1486 </listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1487
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1488 <listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1489 <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
1490 An exception occurs if the file does not exist
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1491 </listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1492
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1493 <listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1494 <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
1495 in synchronous mode.
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1496 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
1497 </listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1498
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1499 <listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1500 <literal>w</literal>&mdash;open a file for writing.
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1501 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
1502 If the file exists, it will be replaced
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1503 </listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1504
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1505 <listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1506 <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
1507 but fails if the file already exists
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1508 </listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1509
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1510 <listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1511 <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
1512 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
1513 If the file exists, it will be replaced
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1514 </listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1515
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1516 <listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1517 <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
1518 but fails if the file already exists
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1519 </listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1520
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1521 </list>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1522 </para>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1523
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1524 </section>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1525
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1526 </section>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1527
2176
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
1528 </section>
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
1529
2175
cd4889fdcfa4 Moved njs HTTP and Stream API to a separate page.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff changeset
1530 </article>