Mercurial > hg > nginx-site
annotate xml/en/docs/njs/reference.xml @ 2563:428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
author | Yaroslav Zhuravlev <yar@nginx.com> |
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date | Tue, 07 Jul 2020 14:26:27 +0100 |
parents | 6093e9f3615e |
children | 5aa57c656cbf |
rev | line source |
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1 <?xml version="1.0"?> |
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2 |
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3 <!-- |
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4 Copyright (C) Nginx, Inc. |
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5 --> |
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6 |
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7 <!DOCTYPE article SYSTEM "../../../../dtd/article.dtd"> |
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8 |
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9 <article name="Reference" |
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10 link="/en/docs/njs/reference.html" |
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11 lang="en" |
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12 rev="44"> |
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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 |
2353 | 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 |
2353 | 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 |
2331 | 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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132 Duplicate field values in all other response headers |
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133 are separated by commas. |
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134 </para> |
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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. |
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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 |
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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 |
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159 </tag-desc> |
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160 |
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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 |
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164 </tag-desc> |
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165 |
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166 <tag-name><literal>r.remoteAddress</literal></tag-name> |
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167 <tag-desc> |
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168 client address, read-only |
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169 </tag-desc> |
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170 |
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171 <tag-name id="r_raw_headers_in"><literal>r.rawHeadersIn{}</literal></tag-name> |
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172 <tag-desc> |
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173 returns an array of key-value pairs |
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174 exactly as they were received from the client |
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175 (<link doc="changes.xml" id="njs0.4.1">0.4.1</link>). |
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176 <para> |
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177 For example, with the following request headers: |
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178 <example> |
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179 Host: localhost |
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180 Foo: bar |
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181 foo: bar2 |
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182 </example> |
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183 the output of <literal>r.rawHeadersIn</literal> will be: |
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184 <example> |
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185 [ |
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186 ['Host', 'localhost'], |
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187 ['Foo', 'bar'], |
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188 ['foo', 'bar2'] |
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189 ] |
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190 </example> |
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191 All <literal>foo</literal> headers |
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192 can be collected with the syntax: |
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193 <example> |
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194 r.rawHeadersIn.filter(v=>v[0].toLowerCase() == 'foo').map(v=>v[1]) |
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195 </example> |
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196 the output will be: |
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197 <example> |
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198 ['bar', 'bar2'] |
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199 </example> |
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200 Header field names are not converted to lower case, |
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201 duplicate field values are not merged. |
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202 </para> |
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203 </tag-desc> |
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204 |
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205 <tag-name id="r_raw_headers_out"><literal>r.rawHeadersOut{}</literal></tag-name> |
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206 <tag-desc> |
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207 returns an array of key-value pairs of response headers |
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208 (<link doc="changes.xml" id="njs0.4.1">0.4.1</link>). |
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209 Header field names are not converted to lower case, |
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210 duplicate field values are not merged. |
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211 </tag-desc> |
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212 |
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213 <tag-name id="r_request_body"><literal>r.requestBody</literal></tag-name> |
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214 <tag-desc> |
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215 returns the client request body if it has not been |
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216 written to a temporary file. |
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217 To ensure that the client request body is in memory, |
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218 its size should be limited by |
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219 <link doc="../http/ngx_http_core_module.xml" id="client_max_body_size"/>, |
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220 and a sufficient buffer size should be set using |
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221 <link doc="../http/ngx_http_core_module.xml" id="client_body_buffer_size"/>. |
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222 The property is available only in the |
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223 <link doc="../http/ngx_http_js_module.xml" id="js_content"/> directive. |
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224 </tag-desc> |
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225 |
2353 | 226 <tag-name id="r_response_body"><literal>r.responseBody</literal></tag-name> |
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227 <tag-desc> |
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228 holds the <link id="subrequest">subrequest</link> response body, read-only. |
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229 The size of <literal>r.responseBody</literal> is limited by the |
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230 <link doc="../http/ngx_http_core_module.xml" id="subrequest_output_buffer_size"/> |
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231 directive. |
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232 </tag-desc> |
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233 |
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234 <tag-name><literal>r.return(status[, string])</literal></tag-name> |
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235 <tag-desc> |
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236 sends the entire response |
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237 with the specified <literal>status</literal> to the client |
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238 <para> |
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239 It is possible to specify either a redirect URL |
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240 (for codes 301, 302, 303, 307, and 308) |
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241 or the response body text (for other codes) as the second argument |
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242 </para> |
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243 </tag-desc> |
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244 |
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245 <tag-name><literal>r.send(<value>string</value>)</literal></tag-name> |
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246 <tag-desc> |
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247 sends a part of the response body to the client |
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248 </tag-desc> |
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249 |
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250 <tag-name><literal>r.sendHeader()</literal></tag-name> |
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251 <tag-desc> |
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252 sends the HTTP headers to the client |
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253 </tag-desc> |
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254 |
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255 <tag-name><literal>r.status</literal></tag-name> |
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256 <tag-desc> |
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257 status, writable |
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258 </tag-desc> |
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259 |
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260 <tag-name id="subrequest"><literal>r.subrequest(<value>uri</value>[, |
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261 <value>options</value>[, <value>callback</value>]])</literal></tag-name> |
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262 <tag-desc> |
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263 creates a subrequest with the given <literal>uri</literal> and |
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264 <literal>options</literal>, and installs |
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265 an optional completion <literal>callback</literal>. |
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266 |
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267 <para> |
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268 A |
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269 <link doc="../dev/development_guide.xml.xml" id="http_subrequests">subrequest</link> |
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270 shares its input headers with the client request. |
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271 To send headers different from original headers to a proxied server, the |
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272 <link doc="../http/ngx_http_proxy_module.xml" id="proxy_set_header"/> |
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273 directive can be used. |
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274 To send a completely new set of headers to a proxied server, the |
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275 <link doc="../http/ngx_http_proxy_module.xml" id="proxy_pass_request_headers"/> |
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276 directive can be used. |
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277 </para> |
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278 |
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279 <para> |
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280 If <literal>options</literal> is a string, then it |
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281 holds the subrequest arguments string. |
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282 Otherwise, <literal>options</literal> is expected to be |
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283 an object with the following keys: |
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284 <list type="tag"> |
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285 <tag-name><literal>args</literal></tag-name> |
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286 <tag-desc> |
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287 arguments string, by default an empty string is used |
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288 </tag-desc> |
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289 <tag-name><literal>body</literal></tag-name> |
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290 <tag-desc> |
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291 request body, |
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292 by default the request body of the parent request object is used |
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293 </tag-desc> |
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294 |
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295 <tag-name><literal>method</literal></tag-name> |
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296 <tag-desc> |
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297 HTTP method, by default the <literal>GET</literal> method is used |
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298 </tag-desc> |
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299 |
2507 | 300 <tag-name><literal>detached</literal></tag-name> |
301 <tag-desc> | |
302 boolean flag (<link doc="changes.xml" id="njs0.3.9">0.3.9</link>), | |
303 if <literal>true</literal>, the created subrequest is a detached subrequest. | |
304 Responses to detached subrequests are ignored. | |
305 Unlike ordinary subrequests, a detached subrequest | |
306 can be created inside a variable handler. | |
307 The detached flag and callback argument are mutually exclusive. | |
308 </tag-desc> | |
309 | |
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310 </list> |
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311 </para> |
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312 |
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313 <para> |
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314 The completion <literal>callback</literal> receives |
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315 a subrequest response object with methods and properties |
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316 identical to the parent request object. |
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317 </para> |
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318 |
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319 <para> |
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320 Since <link doc="changes.xml" id="njs0.3.8">0.3.8</link>, |
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321 if a <literal>callback</literal> is not provided, |
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322 the <literal>Promise</literal> object |
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323 that resolves to the subrequest response object is returned. |
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324 </para> |
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325 </tag-desc> |
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326 |
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327 <tag-name id="r_uri"><literal>r.uri</literal></tag-name> |
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328 <tag-desc> |
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329 current <link doc="../http/ngx_http_core_module.xml" id="var_uri">URI</link> |
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330 in request, |
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331 <link doc="../http/ngx_http_core_module.xml" id="location">normalized</link>, |
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332 read-only |
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333 </tag-desc> |
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334 |
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335 <tag-name id="r_variables"><literal>r.variables{}</literal></tag-name> |
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336 <tag-desc> |
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337 nginx variables object, |
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338 writable (since <link doc="changes.xml" id="njs0.2.8">0.2.8</link>) |
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339 </tag-desc> |
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340 |
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341 <tag-name><literal>r.warn(<value>string</value>)</literal></tag-name> |
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342 <tag-desc> |
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343 writes a <literal>string</literal> to the error log |
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344 on the <literal>warning</literal> level of logging |
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345 </tag-desc> |
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346 |
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347 </list> |
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348 </para> |
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349 |
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350 </section> |
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351 |
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352 |
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Created "nginx objects" section in reference.xml.
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353 <section id="stream" name="Stream Session"> |
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Created "nginx objects" section in reference.xml.
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354 |
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355 <para> |
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356 The stream session object is available only in the |
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357 <link doc="../stream/ngx_stream_js_module.xml">ngx_stream_js_module</link> |
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358 module. |
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359 All string properties of the object are <link id="string">byte strings</link>. |
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360 </para> |
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361 |
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362 <para> |
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363 <list type="tag"> |
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Created "nginx objects" section in reference.xml.
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364 |
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Created "nginx objects" section in reference.xml.
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365 <tag-name id="s_allow"><literal>s.allow()</literal></tag-name> |
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Created "nginx objects" section in reference.xml.
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366 <tag-desc> |
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367 successfully finalizes the phase handler |
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Updated links to changes.xml in njs Reference.
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368 (<link doc="changes.xml" id="njs0.2.4">0.2.4</link>) |
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369 </tag-desc> |
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370 |
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371 <tag-name id="s_decline"><literal>s.decline()</literal></tag-name> |
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Created "nginx objects" section in reference.xml.
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372 <tag-desc> |
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Created "nginx objects" section in reference.xml.
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373 finalizes the phase handler and passes control to the next handler |
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Updated links to changes.xml in njs Reference.
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374 (<link doc="changes.xml" id="njs0.2.4">0.2.4</link>) |
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375 </tag-desc> |
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|
376 |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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|
377 <tag-name id="s_deny"><literal>s.deny()</literal></tag-name> |
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Created "nginx objects" section in reference.xml.
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changeset
|
378 <tag-desc> |
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Created "nginx objects" section in reference.xml.
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changeset
|
379 finalizes the phase handler with the access error code |
2337
867fe207f13e
Updated links to changes.xml in njs Reference.
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changeset
|
380 (<link doc="changes.xml" id="njs0.2.4">0.2.4</link>) |
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Created "nginx objects" section in reference.xml.
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381 </tag-desc> |
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Created "nginx objects" section in reference.xml.
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|
382 |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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|
383 <tag-name id="s_done"><literal>s.done</literal>(<value>[code]</value>)</tag-name> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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changeset
|
384 <tag-desc> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
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changeset
|
385 successfully finalizes the current phase handler |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
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changeset
|
386 or finalizes it with the specified numeric code |
2337
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Updated links to changes.xml in njs Reference.
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changeset
|
387 (<link doc="changes.xml" id="njs0.2.4">0.2.4</link>). |
2247
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Created "nginx objects" section in reference.xml.
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388 </tag-desc> |
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Created "nginx objects" section in reference.xml.
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|
389 |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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changeset
|
390 <tag-name><literal>s.error(<value>string</value>)</literal></tag-name> |
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Created "nginx objects" section in reference.xml.
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changeset
|
391 <tag-desc> |
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Created "nginx objects" section in reference.xml.
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changeset
|
392 writes a sent <literal>string</literal> to the error log |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
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changeset
|
393 on the <literal>error</literal> level of logging |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
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changeset
|
394 </tag-desc> |
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Created "nginx objects" section in reference.xml.
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parents:
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diff
changeset
|
395 |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
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changeset
|
396 <tag-name><literal>s.log(<value>string</value>)</literal></tag-name> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
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changeset
|
397 <tag-desc> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
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diff
changeset
|
398 writes a sent <value>string</value> to the error log |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
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diff
changeset
|
399 on the <literal>info</literal> level of logging |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
400 </tag-desc> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
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diff
changeset
|
401 |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
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changeset
|
402 <tag-name id="s_off"><literal>s.off(<value>eventName</value>)</literal></tag-name> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
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diff
changeset
|
403 <tag-desc> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
404 unregisters the callback set by the <link id="s_on">s.on()</link> method |
2337
867fe207f13e
Updated links to changes.xml in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2332
diff
changeset
|
405 (<link doc="changes.xml" id="njs0.2.4">0.2.4</link>) |
2247
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Created "nginx objects" section in reference.xml.
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parents:
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changeset
|
406 </tag-desc> |
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Created "nginx objects" section in reference.xml.
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parents:
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diff
changeset
|
407 |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
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diff
changeset
|
408 <tag-name id="s_on"><literal>s.on(<value>event</value>, |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
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changeset
|
409 <value>callback</value>)</literal></tag-name> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
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diff
changeset
|
410 <tag-desc> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
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diff
changeset
|
411 registers a <literal>callback</literal> for the specified <literal>event</literal> |
2337
867fe207f13e
Updated links to changes.xml in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2332
diff
changeset
|
412 (<link doc="changes.xml" id="njs0.2.4">0.2.4</link>). |
2247
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
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diff
changeset
|
413 |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
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changeset
|
414 <para> |
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Created "nginx objects" section in reference.xml.
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parents:
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diff
changeset
|
415 An <literal>event</literal> may be one of the following strings: |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
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changeset
|
416 <list type="tag"> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
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diff
changeset
|
417 <tag-name><literal>upload</literal></tag-name> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
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changeset
|
418 <tag-desc> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
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changeset
|
419 new data from a client |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
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diff
changeset
|
420 </tag-desc> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
421 |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
422 <tag-name><literal>download</literal></tag-name> |
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 new data to a client |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2246
diff
changeset
|
425 </tag-desc> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
426 |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
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diff
changeset
|
427 </list> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
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diff
changeset
|
428 </para> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
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diff
changeset
|
429 |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
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diff
changeset
|
430 <para> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
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changeset
|
431 The completion callback has the following prototype: |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
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|
432 <literal>callback(data, flags)</literal>, where |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
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diff
changeset
|
433 <literal>data</literal> is string, |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
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changeset
|
434 <literal>flags</literal> is an object |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
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changeset
|
435 with the following properties: |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
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diff
changeset
|
436 <list type="tag"> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
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diff
changeset
|
437 <tag-name id="s_on_callback_last"><literal>last</literal></tag-name> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
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diff
changeset
|
438 <tag-desc> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
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changeset
|
439 a boolean value, true if data is a last buffer. |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
440 </tag-desc> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
441 |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
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diff
changeset
|
442 </list> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
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diff
changeset
|
443 </para> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
444 </tag-desc> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
445 |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
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diff
changeset
|
446 <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
|
447 <tag-desc> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
448 client address, read-only |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
449 </tag-desc> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
450 |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
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diff
changeset
|
451 <tag-name id="s_send"><literal>s.send(<value>data</value>[, |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
2246
diff
changeset
|
452 <value>options</value>])</literal></tag-name> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
453 <tag-desc> |
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454 sends the data to the client |
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Updated links to changes.xml in njs Reference.
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455 (<link doc="changes.xml" id="njs0.2.4">0.2.4</link>). |
2247
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456 The <literal>options</literal> is an object used |
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457 to override nginx buffer flags derived from an incoming data chunk buffer. |
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458 The flags can be overriden with the following flags: |
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459 <para> |
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460 <list type="tag"> |
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461 |
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462 <tag-name><literal>last</literal></tag-name> |
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|
463 <tag-desc> |
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464 boolean, true if the buffer is the last buffer |
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465 </tag-desc> |
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466 |
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467 <tag-name><literal>flush</literal></tag-name> |
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468 <tag-desc> |
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469 boolean, true if the buffer should have the <literal>flush</literal> flag |
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470 </tag-desc> |
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471 </list> |
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472 </para> |
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473 The method can be called multiple times per callback invocation. |
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474 </tag-desc> |
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475 |
2338
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Documented that r.variables{} and s.variables{} are writable.
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476 <tag-name id="s_variables"><literal>s.variables{}</literal></tag-name> |
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477 <tag-desc> |
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Documented that r.variables{} and s.variables{} are writable.
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|
478 nginx variables object, writable |
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Documented that r.variables{} and s.variables{} are writable.
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479 (since <link doc="changes.xml" id="njs0.2.8">0.2.8</link>) |
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480 </tag-desc> |
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481 |
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482 <tag-name><literal>s.warn(<value>string</value>)</literal></tag-name> |
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|
483 <tag-desc> |
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|
484 writes a sent <literal>string</literal> to the error log |
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changeset
|
485 on the <literal>warning</literal> level of logging |
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|
486 </tag-desc> |
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|
487 |
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|
488 </list> |
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|
489 </para> |
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|
490 |
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Created "nginx objects" section in reference.xml.
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|
491 </section> |
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|
492 |
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|
493 </section> |
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|
494 |
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Created "nginx objects" section in reference.xml.
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|
495 |
2176 | 496 <section id="core" name="Core"> |
497 | |
498 | |
2405
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Documented the "process" global object.
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499 <section id="core_global" name="Global"> |
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|
500 |
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|
501 |
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|
502 <section id="process" name="Process"> |
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503 |
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Documented the "process" global object.
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|
504 <para> |
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|
505 The <literal>process</literal> object is a global object |
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506 that provides information about the current process |
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|
507 (<link doc="changes.xml" id="njs0.3.3">0.3.3</link>). |
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|
508 </para> |
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|
509 |
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|
510 |
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Documented the "process" global object.
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|
511 <para> |
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512 <list type="tag"> |
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|
513 |
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|
514 <tag-name id="process_argv"><literal>process.argv</literal></tag-name> |
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515 <tag-desc> |
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516 Returns an array that contains the command line arguments |
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517 passed when the current process was launched. |
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518 </tag-desc> |
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519 |
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|
520 <tag-name id="process_env"><literal>process.env</literal></tag-name> |
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521 <tag-desc> |
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522 Returns an object containing the user environment. |
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523 <note> |
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|
524 By default, nginx removes all environment variables inherited |
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|
525 from its parent process except the TZ variable. |
dbf68c949522
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|
526 Use the <link doc="../ngx_core_module.xml" id="env"/> directive |
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parents:
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diff
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|
527 to preserve some of the inherited variables. |
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|
528 </note> |
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|
529 </tag-desc> |
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|
530 |
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parents:
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|
531 <tag-name id="process_pid"><literal>process.pid</literal></tag-name> |
dbf68c949522
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diff
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|
532 <tag-desc> |
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|
533 Returns the PID of the current process. |
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diff
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|
534 </tag-desc> |
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parents:
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diff
changeset
|
535 |
dbf68c949522
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parents:
2394
diff
changeset
|
536 <tag-name id="process_ppid"><literal>process.ppid</literal></tag-name> |
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Documented the "process" global object.
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parents:
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|
537 <tag-desc> |
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Documented the "process" global object.
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|
538 Returns the PID of the current parent process. |
dbf68c949522
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|
539 </tag-desc> |
dbf68c949522
Documented the "process" global object.
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diff
changeset
|
540 |
dbf68c949522
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diff
changeset
|
541 </list> |
dbf68c949522
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diff
changeset
|
542 </para> |
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parents:
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diff
changeset
|
543 |
dbf68c949522
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parents:
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diff
changeset
|
544 </section> |
dbf68c949522
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parents:
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diff
changeset
|
545 |
dbf68c949522
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diff
changeset
|
546 </section> |
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parents:
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diff
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|
547 |
dbf68c949522
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parents:
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diff
changeset
|
548 |
2312 | 549 <section id="core_object" name="Object"> |
550 | |
551 <para> | |
552 The <literal>Object</literal> constructor corresponds to a standard JS object. | |
553 <list type="tag"> | |
554 | |
555 <tag-name id="object_entries"><literal>Object.entries(<value>object</value>)</literal></tag-name> | |
556 <tag-desc> | |
557 returns an array of all enumerable property | |
558 <literal>[key, value]</literal> pairs | |
559 of the given <literal>object</literal> | |
560 (<link doc="changes.xml" id="njs0.2.7">0.2.7</link>). | |
561 </tag-desc> | |
562 | |
563 <tag-name id="object_values"><literal>Object.values(<value>object</value>)</literal></tag-name> | |
564 <tag-desc> | |
565 returns an array of all enumerable property values | |
566 of the given <literal>object</literal> | |
567 (<link doc="changes.xml" id="njs0.2.7">0.2.7</link>). | |
568 </tag-desc> | |
569 | |
570 </list> | |
571 </para> | |
572 | |
573 </section> | |
574 | |
575 | |
2186
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576 <section id="string" name="String"> |
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Added njs String object.
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577 |
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diff
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|
578 <para> |
2315
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Corrected language in njs.
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diff
changeset
|
579 There are two types of strings in njs: a Unicode string (default) and |
ae56e4613280
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parents:
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diff
changeset
|
580 a byte string. |
2186
8e2b3aadc3ce
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diff
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|
581 </para> |
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parents:
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diff
changeset
|
582 |
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parents:
2183
diff
changeset
|
583 <para> |
2315
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parents:
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diff
changeset
|
584 A Unicode string corresponds to an ECMAScript string |
2186
8e2b3aadc3ce
Added njs String object.
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diff
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|
585 which contains Unicode characters. |
8e2b3aadc3ce
Added njs String object.
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diff
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|
586 </para> |
8e2b3aadc3ce
Added njs String object.
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diff
changeset
|
587 |
8e2b3aadc3ce
Added njs String object.
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|
588 <para> |
2315
ae56e4613280
Corrected language in njs.
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parents:
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diff
changeset
|
589 Byte strings contain a sequence of bytes |
ae56e4613280
Corrected language in njs.
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parents:
2313
diff
changeset
|
590 and are used to serialize Unicode strings |
2186
8e2b3aadc3ce
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parents:
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diff
changeset
|
591 to external data and deserialize from external sources. |
8e2b3aadc3ce
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parents:
2183
diff
changeset
|
592 For example, the <link id="string_toutf8">toUTF8()</link> method serializes |
8e2b3aadc3ce
Added njs String object.
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parents:
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diff
changeset
|
593 a Unicode string to a byte string using UTF8 encoding: |
8e2b3aadc3ce
Added njs String object.
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2183
diff
changeset
|
594 <example> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
595 >> '£'.toUTF8().toString('hex') |
2214
e029f4bc7ede
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596 'c2a3' /* C2 A3 is the UTF8 representation of 00A3 ('£') code point */ |
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597 </example> |
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|
598 The <link id="string_tobytes">toBytes()</link> method serializes |
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|
599 a Unicode string with code points up to 255 into a byte string, |
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|
600 otherwise, <literal>null</literal> is returned: |
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|
601 <example> |
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changeset
|
602 >> '£'.toBytes().toString('hex') |
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|
603 'a3' /* a3 is a byte equal to 00A3 ('£') code point */ |
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|
604 </example> |
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changeset
|
605 Only byte strings can be converted to different encodings. |
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Added njs String object.
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|
606 For example, a string cannot be encoded to <literal>hex</literal> directly: |
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changeset
|
607 <example> |
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Added njs String object.
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changeset
|
608 >> 'αβγδ'.toString('base64') |
8e2b3aadc3ce
Added njs String object.
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parents:
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changeset
|
609 TypeError: argument must be a byte string |
8e2b3aadc3ce
Added njs String object.
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changeset
|
610 at String.prototype.toString (native) |
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diff
changeset
|
611 at main (native) |
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changeset
|
612 </example> |
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changeset
|
613 To convert a Unicode string to hex, |
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Added njs String object.
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parents:
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changeset
|
614 first, it should be converted to a byte string and then to hex: |
8e2b3aadc3ce
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changeset
|
615 <example> |
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changeset
|
616 >> 'αβγδ'.toUTF8().toString('base64') |
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changeset
|
617 'zrHOss6zzrQ=' |
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|
618 </example> |
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Added njs String object.
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changeset
|
619 |
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parents:
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changeset
|
620 <list type="tag"> |
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Added njs String object.
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|
621 |
2211
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Documented String.bytesFrom() method in njs.
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|
622 <tag-name id="string_bytesfrom"><literal>String.bytesFrom(<value>array</value> |
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Documented String.bytesFrom() method in njs.
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parents:
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|
623 | <value>string</value>, <value>encoding</value>)</literal></tag-name> |
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Documented String.bytesFrom() method in njs.
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|
624 <tag-desc> |
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Documented String.bytesFrom() method in njs.
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changeset
|
625 (njs specific) Creates a byte string either from an array that contains octets, |
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Corrected language in njs.
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parents:
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changeset
|
626 or from an encoded string |
2337
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Updated links to changes.xml in njs Reference.
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parents:
2332
diff
changeset
|
627 (<link doc="changes.xml" id="njs0.2.3">0.2.3</link>). |
2211
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|
628 The encoding can be |
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Documented String.bytesFrom() method in njs.
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parents:
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changeset
|
629 <literal>hex</literal>, |
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parents:
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|
630 <literal>base64</literal>, and |
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Documented String.bytesFrom() method in njs.
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parents:
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changeset
|
631 <literal>base64url</literal>. |
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parents:
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|
632 <example> |
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parents:
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changeset
|
633 >> String.bytesFrom([0x62, 0x75, 0x66, 0x66, 0x65, 0x72]) |
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|
634 'buffer' |
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parents:
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changeset
|
635 |
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Documented String.bytesFrom() method in njs.
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parents:
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diff
changeset
|
636 >> String.bytesFrom('YnVmZmVy', 'base64') |
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Documented String.bytesFrom() method in njs.
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parents:
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|
637 'buffer' |
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Documented String.bytesFrom() method in njs.
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parents:
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|
638 </example> |
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parents:
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changeset
|
639 </tag-desc> |
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Documented String.bytesFrom() method in njs.
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parents:
2207
diff
changeset
|
640 |
2271
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Described charAt, codePointAt, fromCharCode in njs.
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parents:
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diff
changeset
|
641 <tag-name id="string_fromcharcode"><literal>String.fromCharCode(<value>CharCode1</value>[, ...[, |
34a1901e663d
Described charAt, codePointAt, fromCharCode in njs.
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parents:
2268
diff
changeset
|
642 <value>CharCodeN</value>]])</literal></tag-name> |
34a1901e663d
Described charAt, codePointAt, fromCharCode in njs.
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parents:
2268
diff
changeset
|
643 <tag-desc> |
34a1901e663d
Described charAt, codePointAt, fromCharCode in njs.
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parents:
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changeset
|
644 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
|
645 <example> |
34a1901e663d
Described charAt, codePointAt, fromCharCode in njs.
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parents:
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diff
changeset
|
646 >> String.fromCharCode(97, 98, 99, 100) |
34a1901e663d
Described charAt, codePointAt, fromCharCode in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
647 'abcd' |
34a1901e663d
Described charAt, codePointAt, fromCharCode in njs.
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parents:
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changeset
|
648 </example> |
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Described charAt, codePointAt, fromCharCode in njs.
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parents:
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diff
changeset
|
649 </tag-desc> |
34a1901e663d
Described charAt, codePointAt, fromCharCode in njs.
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parents:
2268
diff
changeset
|
650 |
2267
c30048802769
Added links to njs reference from njs Compatibility.
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parents:
2259
diff
changeset
|
651 <tag-name id="string_fromcodepoint"><literal>String.fromCodePoint(<value>codePoint1</value>[, ...[, |
2186
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|
652 <value>codePoint2</value>]])</literal></tag-name> |
8e2b3aadc3ce
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|
653 <tag-desc> |
8e2b3aadc3ce
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changeset
|
654 Returns a string from one or more Unicode code points. |
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|
655 <example> |
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|
656 >> String.fromCodePoint(97, 98, 99, 100) |
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|
657 'abcd' |
2186
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diff
changeset
|
658 </example> |
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Added njs String object.
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changeset
|
659 </tag-desc> |
8e2b3aadc3ce
Added njs String object.
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parents:
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changeset
|
660 |
2271
34a1901e663d
Described charAt, codePointAt, fromCharCode in njs.
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changeset
|
661 <tag-name id="string_charat"><literal>String.prototype.charAt(<value>index</value>)</literal></tag-name> |
34a1901e663d
Described charAt, codePointAt, fromCharCode in njs.
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parents:
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diff
changeset
|
662 <tag-desc> |
34a1901e663d
Described charAt, codePointAt, fromCharCode in njs.
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parents:
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diff
changeset
|
663 Returns a string representing one Unicode code unit |
34a1901e663d
Described charAt, codePointAt, fromCharCode in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2268
diff
changeset
|
664 at the specified <literal>index</literal>; |
34a1901e663d
Described charAt, codePointAt, fromCharCode in njs.
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parents:
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diff
changeset
|
665 empty string if index is out of range. |
2315
ae56e4613280
Corrected language in njs.
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parents:
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diff
changeset
|
666 The index can be an integer |
2271
34a1901e663d
Described charAt, codePointAt, fromCharCode in njs.
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parents:
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diff
changeset
|
667 between 0 and 1-less-than the length of the string. |
34a1901e663d
Described charAt, codePointAt, fromCharCode in njs.
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parents:
2268
diff
changeset
|
668 If no index is provided, the default is <literal>0</literal>, |
34a1901e663d
Described charAt, codePointAt, fromCharCode in njs.
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parents:
2268
diff
changeset
|
669 so the first character in the string is returned. |
34a1901e663d
Described charAt, codePointAt, fromCharCode in njs.
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parents:
2268
diff
changeset
|
670 </tag-desc> |
34a1901e663d
Described charAt, codePointAt, fromCharCode in njs.
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parents:
2268
diff
changeset
|
671 |
34a1901e663d
Described charAt, codePointAt, fromCharCode in njs.
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parents:
2268
diff
changeset
|
672 <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
|
673 <tag-desc> |
34a1901e663d
Described charAt, codePointAt, fromCharCode in njs.
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parents:
2268
diff
changeset
|
674 Returns a number representing the code point value of the character |
2315
ae56e4613280
Corrected language in njs.
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parents:
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diff
changeset
|
675 at the given <literal>position</literal>; |
2271
34a1901e663d
Described charAt, codePointAt, fromCharCode in njs.
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parents:
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diff
changeset
|
676 <literal>undefined</literal> if there is no element at position. |
34a1901e663d
Described charAt, codePointAt, fromCharCode in njs.
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parents:
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diff
changeset
|
677 <example> |
34a1901e663d
Described charAt, codePointAt, fromCharCode in njs.
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parents:
2268
diff
changeset
|
678 >> 'ABCD'.codePointAt(3); |
34a1901e663d
Described charAt, codePointAt, fromCharCode in njs.
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parents:
2268
diff
changeset
|
679 68 |
34a1901e663d
Described charAt, codePointAt, fromCharCode in njs.
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parents:
2268
diff
changeset
|
680 </example> |
34a1901e663d
Described charAt, codePointAt, fromCharCode in njs.
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parents:
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diff
changeset
|
681 </tag-desc> |
34a1901e663d
Described charAt, codePointAt, fromCharCode in njs.
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parents:
2268
diff
changeset
|
682 |
2267
c30048802769
Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2259
diff
changeset
|
683 <tag-name id="string_concat"><literal>String.prototype.concat(<value>string1</value>[, ..., |
2186
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changeset
|
684 <value>stringN</value>])</literal></tag-name> |
8e2b3aadc3ce
Added njs String object.
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2183
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changeset
|
685 <tag-desc> |
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Added njs String object.
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parents:
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changeset
|
686 Returns a string that contains the concatenation of specified |
8e2b3aadc3ce
Added njs String object.
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changeset
|
687 <literal>strings</literal>. |
8e2b3aadc3ce
Added njs String object.
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parents:
2183
diff
changeset
|
688 <example> |
8e2b3aadc3ce
Added njs String object.
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parents:
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changeset
|
689 >> "a".concat("b", "c") |
2214
e029f4bc7ede
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changeset
|
690 'abc' |
2186
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changeset
|
691 </example> |
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Added njs String object.
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changeset
|
692 </tag-desc> |
8e2b3aadc3ce
Added njs String object.
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changeset
|
693 |
2267
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Added links to njs reference from njs Compatibility.
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changeset
|
694 <tag-name id="string_endswith"><literal>String.prototype.endsWith(<value>searchString</value>[, |
2186
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|
695 <value>length</value>])</literal></tag-name> |
8e2b3aadc3ce
Added njs String object.
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2183
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changeset
|
696 <tag-desc> |
8e2b3aadc3ce
Added njs String object.
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changeset
|
697 Returns <literal>true</literal> if a string ends with the characters |
8e2b3aadc3ce
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changeset
|
698 of a specified string, otherwise <literal>false</literal>. |
8e2b3aadc3ce
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changeset
|
699 The optional <literal>length</literal> parameter is the the length of string. |
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Added njs String object.
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changeset
|
700 If omitted, the default value is the length of the string. |
8e2b3aadc3ce
Added njs String object.
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changeset
|
701 <example> |
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Added njs String object.
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changeset
|
702 >> 'abc'.endsWith('abc') |
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Added njs String object.
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2183
diff
changeset
|
703 true |
8e2b3aadc3ce
Added njs String object.
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2183
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changeset
|
704 >> 'abca'.endsWith('abc') |
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Added njs String object.
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parents:
2183
diff
changeset
|
705 false |
8e2b3aadc3ce
Added njs String object.
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parents:
2183
diff
changeset
|
706 </example> |
8e2b3aadc3ce
Added njs String object.
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parents:
2183
diff
changeset
|
707 </tag-desc> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
708 |
2267
c30048802769
Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2259
diff
changeset
|
709 <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
|
710 <value>end</value>])</literal></tag-name> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
711 <tag-desc> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
712 (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
|
713 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
|
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_fromutf8"><literal>String.prototype.fromUTF8(<value>start</value>[, |
2186
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
717 <value>end</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 (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
|
720 into a Unicode string, |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
721 otherwise <literal>null</literal> is returned. |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
722 </tag-desc> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
723 |
2267
c30048802769
Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2259
diff
changeset
|
724 <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
|
725 <value>position</value>]))</literal></tag-name> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
726 <tag-desc> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
727 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
|
728 otherwise <literal>false</literal>. |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
729 The optional <literal>position</literal> parameter is the position |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
730 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
|
731 Default value is 0. |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
732 <example> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
733 >> 'abc'.includes('bc') |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
734 true |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
735 </example> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
736 </tag-desc> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
737 |
2267
c30048802769
Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2259
diff
changeset
|
738 <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
|
739 <value>fromIndex</value>])</literal></tag-name> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
740 <tag-desc> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
741 Returns the position of the first occurrence |
2315
ae56e4613280
Corrected language in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2313
diff
changeset
|
742 of the <literal>searchString</literal>. |
2186
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
743 The search is started at <literal>fromIndex</literal>. |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
744 Returns <value>-1</value> if the value is not found. |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
745 The <literal>fromIndex</literal> is an integer, |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
746 default value is 0. |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
747 If <literal>fromIndex</literal> is lower than 0 |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
748 or greater than |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
749 <link id="string_length">String.prototype.length</link><value></value>, |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
750 the search starts at index <value>0</value> and |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
751 <value>String.prototype.length</value>. |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
752 <example> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
753 >> 'abcdef'.indexOf('de', 2) |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
754 3 |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
755 </example> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
756 </tag-desc> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
757 |
2267
c30048802769
Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2259
diff
changeset
|
758 <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
|
759 <value>fromIndex</value>])</literal></tag-name> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
760 <tag-desc> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
761 Returns the position of the last occurrence |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
762 of the <literal>searchString</literal>, |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
763 searching backwards from <literal>fromIndex</literal>. |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
764 Returns <value>-1</value> if the value is not found. |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
765 If <literal>searchString</literal> is empty, |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
766 then <literal>fromIndex</literal> is returned. |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
767 <example> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
768 >> "nginx".lastIndexOf("gi") |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
769 1 |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
770 </example> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
771 </tag-desc> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
772 |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
773 <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
|
774 <tag-desc> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
775 Returns the length of the string. |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
776 <example> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
777 >> 'αβγδ'.length |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
778 4 |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
779 </example> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
780 </tag-desc> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
781 |
2267
c30048802769
Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2259
diff
changeset
|
782 <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
|
783 <tag-desc> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
784 Matches a string against a <literal>regexp</literal>. |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
785 <example> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
786 >> 'nginx'.match( /ng/i ) |
2214
e029f4bc7ede
Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2212
diff
changeset
|
787 'ng' |
2186
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
788 </example> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
789 </tag-desc> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
790 |
2212
c34a885b9d99
Documented padEnd() and padStart() for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2211
diff
changeset
|
791 <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
|
792 [, <value>string</value>])</literal></tag-name> |
c34a885b9d99
Documented padEnd() and padStart() for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2211
diff
changeset
|
793 <tag-desc> |
c34a885b9d99
Documented padEnd() and padStart() for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2211
diff
changeset
|
794 Returns a string of a specified <literal>length</literal> |
2315
ae56e4613280
Corrected language in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2313
diff
changeset
|
795 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
|
796 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
|
797 <example> |
c34a885b9d99
Documented padEnd() and padStart() for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2211
diff
changeset
|
798 >> '1234'.padEnd(8, 'abcd') |
c34a885b9d99
Documented padEnd() and padStart() for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2211
diff
changeset
|
799 '1234abcd' |
c34a885b9d99
Documented padEnd() and padStart() for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2211
diff
changeset
|
800 </example> |
c34a885b9d99
Documented padEnd() and padStart() for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2211
diff
changeset
|
801 </tag-desc> |
c34a885b9d99
Documented padEnd() and padStart() for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2211
diff
changeset
|
802 |
c34a885b9d99
Documented padEnd() and padStart() for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2211
diff
changeset
|
803 <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
|
804 [, <value>string</value>])</literal></tag-name> |
c34a885b9d99
Documented padEnd() and padStart() for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2211
diff
changeset
|
805 <tag-desc> |
c34a885b9d99
Documented padEnd() and padStart() for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2211
diff
changeset
|
806 Returns a string of a specified <literal>length</literal> |
2315
ae56e4613280
Corrected language in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2313
diff
changeset
|
807 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
|
808 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
|
809 <example> |
c34a885b9d99
Documented padEnd() and padStart() for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2211
diff
changeset
|
810 >> '1234'.padStart(8, 'abcd') |
c34a885b9d99
Documented padEnd() and padStart() for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2211
diff
changeset
|
811 'abcd1234' |
c34a885b9d99
Documented padEnd() and padStart() for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2211
diff
changeset
|
812 </example> |
c34a885b9d99
Documented padEnd() and padStart() for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2211
diff
changeset
|
813 </tag-desc> |
c34a885b9d99
Documented padEnd() and padStart() for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2211
diff
changeset
|
814 |
2267
c30048802769
Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2259
diff
changeset
|
815 <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
|
816 <tag-desc> |
2315
ae56e4613280
Corrected language in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2313
diff
changeset
|
817 Returns a string |
2186
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
818 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
|
819 <example> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
820 >> 'abc'.repeat(3) |
2214
e029f4bc7ede
Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2212
diff
changeset
|
821 'abcabcabc' |
2186
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
822 </example> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
823 </tag-desc> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
824 |
2267
c30048802769
Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2259
diff
changeset
|
825 <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
|
826 <value>string</value>|<value>function</value>]])</literal></tag-name> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
827 <tag-desc> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
828 Returns a new string with matches of a pattern |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
829 (<literal>string</literal> or a <literal>regexp</literal>) |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
830 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
|
831 <example> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
832 >> 'abcdefgh'.replace('d', 1) |
2214
e029f4bc7ede
Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2212
diff
changeset
|
833 'abc1efgh' |
2186
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
834 </example> |
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 |
2267
c30048802769
Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2259
diff
changeset
|
837 <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
|
838 <tag-desc> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
839 Searches for a string using a <literal>regexp</literal> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
840 <example> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
841 >> 'abcdefgh'.search('def') |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
842 3 |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
843 </example> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
844 </tag-desc> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
845 |
2267
c30048802769
Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2259
diff
changeset
|
846 <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
|
847 <value>end</value>])</literal></tag-name> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
848 <tag-desc> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
849 Returns a new string containing a part of an |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
850 original string between <literal>start</literal> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
851 and <literal>end</literal> or |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
852 from <literal>start</literal> to the end of the string. |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
853 <example> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
854 >> 'abcdefghijklmno'.slice(NaN, 5) |
2214
e029f4bc7ede
Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2212
diff
changeset
|
855 'abcde' |
2186
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
856 </example> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
857 </tag-desc> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
858 |
2268
cd1b26111884
Moved string.split to follow alphabetical order.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2267
diff
changeset
|
859 <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
|
860 <value>limit</value>]]))</literal></tag-name> |
cd1b26111884
Moved string.split to follow alphabetical order.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2267
diff
changeset
|
861 <tag-desc> |
cd1b26111884
Moved string.split to follow alphabetical order.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2267
diff
changeset
|
862 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
|
863 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
|
864 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
|
865 <example> |
cd1b26111884
Moved string.split to follow alphabetical order.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2267
diff
changeset
|
866 >> 'abc'.split('') |
cd1b26111884
Moved string.split to follow alphabetical order.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2267
diff
changeset
|
867 [ |
cd1b26111884
Moved string.split to follow alphabetical order.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2267
diff
changeset
|
868 'a', |
cd1b26111884
Moved string.split to follow alphabetical order.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2267
diff
changeset
|
869 'b', |
cd1b26111884
Moved string.split to follow alphabetical order.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2267
diff
changeset
|
870 'c' |
cd1b26111884
Moved string.split to follow alphabetical order.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2267
diff
changeset
|
871 ] |
cd1b26111884
Moved string.split to follow alphabetical order.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2267
diff
changeset
|
872 </example> |
cd1b26111884
Moved string.split to follow alphabetical order.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2267
diff
changeset
|
873 </tag-desc> |
cd1b26111884
Moved string.split to follow alphabetical order.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2267
diff
changeset
|
874 |
2267
c30048802769
Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2259
diff
changeset
|
875 <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
|
876 <value>position</value>])</literal></tag-name> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
877 <tag-desc> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
878 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
|
879 of a specified string, otherwise <literal>false</literal>. |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
880 The optional <literal>position</literal> parameter is the position |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
881 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
|
882 Default value is 0. |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
883 <example> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
884 >> 'abc'.startsWith('abc') |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
885 true |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
886 > 'aabc'.startsWith('abc') |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
887 false |
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 |
2267
c30048802769
Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2259
diff
changeset
|
891 <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
|
892 <value>length</value>])</literal></tag-name> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
893 <tag-desc> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
894 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
|
895 from <literal>start</literal> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
896 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
|
897 <example> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
898 >> 'abcdefghijklmno'.substr(3, 5) |
2214
e029f4bc7ede
Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2212
diff
changeset
|
899 'defgh' |
2186
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
900 </example> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
901 </tag-desc> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
902 |
2267
c30048802769
Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2259
diff
changeset
|
903 <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
|
904 <value>end</value>])</literal></tag-name> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
905 <tag-desc> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
906 Returns the part of the string between |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
907 <literal>start</literal> and <literal>end</literal> or |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
908 from <literal>start</literal> to the end of the string. |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
909 <example> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
910 >> 'abcdefghijklmno'.substring(3, 5) |
2214
e029f4bc7ede
Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2212
diff
changeset
|
911 'de' |
2186
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
912 </example> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
913 </tag-desc> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
914 |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
915 <tag-name id="string_tobytes"><literal>String.prototype.toBytes(start[, |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
916 end])</literal></tag-name> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
917 <tag-desc> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
918 (njs specific) Serializes a Unicode string to a byte string. |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
919 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
|
920 found in the string. |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
921 </tag-desc> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
922 |
2267
c30048802769
Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2259
diff
changeset
|
923 <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
|
924 <tag-desc> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
925 Converts a string to lower case. |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
926 The method supports only simple Unicode folding. |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
927 <example> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
928 >> 'ΑΒΓΔ'.toLowerCase() |
2214
e029f4bc7ede
Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2212
diff
changeset
|
929 'αβγδ' |
2186
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
930 </example> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
931 </tag-desc> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
932 |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
933 <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
|
934 <tag-desc> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
935 <para> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
936 If no <literal>encoding</literal> is specified, |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
937 returns a specified Unicode string or byte string as in ECMAScript. |
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Added njs String object.
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diff
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|
938 </para> |
8e2b3aadc3ce
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diff
changeset
|
939 |
8e2b3aadc3ce
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Yaroslav Zhuravlev <yar@nginx.com>
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diff
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|
940 <para> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
941 (njs specific) If <literal>encoding</literal> is specified, |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
942 encodes a <link id="string_tobytes">byte string</link> to |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
943 <literal>hex</literal>, |
8e2b3aadc3ce
Added njs String object.
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parents:
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diff
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|
944 <literal>base64</literal>, or |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
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|
945 <literal>base64url</literal>. |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
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|
946 </para> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
947 <example> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
948 >> 'αβγδ'.toUTF8().toString('base64url') |
2214
e029f4bc7ede
Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
949 'zrHOss6zzrQ' |
2186
8e2b3aadc3ce
Added njs String object.
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diff
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|
950 </example> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
951 </tag-desc> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
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|
952 |
2267
c30048802769
Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2259
diff
changeset
|
953 <tag-name id="string_touppercase"><literal>String.prototype.toUpperCase()</literal></tag-name> |
2186
8e2b3aadc3ce
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diff
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|
954 <tag-desc> |
8e2b3aadc3ce
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parents:
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diff
changeset
|
955 Converts a string to upper case. |
8e2b3aadc3ce
Added njs String object.
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parents:
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diff
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|
956 The method supports only simple Unicode folding. |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
957 <example> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
958 >> 'αβγδ'.toUpperCase() |
2214
e029f4bc7ede
Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
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|
959 'ΑΒΓΔ' |
2186
8e2b3aadc3ce
Added njs String object.
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diff
changeset
|
960 </example> |
8e2b3aadc3ce
Added njs String object.
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diff
changeset
|
961 </tag-desc> |
8e2b3aadc3ce
Added njs String object.
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diff
changeset
|
962 |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
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2183
diff
changeset
|
963 <tag-name id="string_toutf8"><literal>String.prototype.toUTF8(<value>start</value>[, |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
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|
964 <value>end</value>])</literal></tag-name> |
8e2b3aadc3ce
Added njs String object.
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|
965 <tag-desc> |
8e2b3aadc3ce
Added njs String object.
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parents:
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diff
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|
966 (njs specific) Serializes a Unicode string |
8e2b3aadc3ce
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diff
changeset
|
967 to a byte string using UTF8 encoding. |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
968 <example> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
changeset
|
969 >> 'αβγδ'.toUTF8().length |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
changeset
|
970 8 |
8e2b3aadc3ce
Added njs String object.
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diff
changeset
|
971 >> 'αβγδ'.length |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
changeset
|
972 4 |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
changeset
|
973 </example> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
974 </tag-desc> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
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|
975 |
2267
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Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
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|
976 <tag-name id="string_trim"><literal>String.prototype.trim()</literal></tag-name> |
2186
8e2b3aadc3ce
Added njs String object.
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diff
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|
977 <tag-desc> |
8e2b3aadc3ce
Added njs String object.
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parents:
2183
diff
changeset
|
978 Removes whitespaces from both ends of a string. |
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 >> ' abc '.trim() |
2214
e029f4bc7ede
Added quotes to njs examples.
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diff
changeset
|
981 'abc' |
2186
8e2b3aadc3ce
Added njs String object.
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diff
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|
982 </example> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
983 </tag-desc> |
8e2b3aadc3ce
Added njs String object.
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diff
changeset
|
984 |
2414 | 985 <tag-name id="string_trimend"><literal>String.prototype.trimEnd()</literal></tag-name> |
986 <tag-desc> | |
987 Removes whitespaces from the end of a string | |
988 (<link doc="changes.xml" id="njs0.3.4">0.3.4</link>). | |
989 <example> | |
990 >> ' abc '.trimEnd() | |
991 ' abc' | |
992 </example> | |
993 </tag-desc> | |
994 | |
995 <tag-name id="string_trimstart"><literal>String.prototype.trimStart()</literal></tag-name> | |
996 <tag-desc> | |
997 Removes whitespaces from the beginning of a string | |
998 (<link doc="changes.xml" id="njs0.3.4">0.3.4</link>). | |
999 <example> | |
1000 >> ' abc '.trimStart() | |
1001 'abc ' | |
1002 </example> | |
1003 </tag-desc> | |
1004 | |
2186
8e2b3aadc3ce
Added njs String object.
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|
1005 <tag-name id="encodeuri"><literal>encodeURI(<value>URI</value>)</literal></tag-name> |
8e2b3aadc3ce
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diff
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|
1006 <tag-desc> |
2315
ae56e4613280
Corrected language in njs.
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parents:
2313
diff
changeset
|
1007 Encodes a URI by replacing each instance of certain characters |
ae56e4613280
Corrected language in njs.
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parents:
2313
diff
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|
1008 by one, two, three, or four escape sequences |
2186
8e2b3aadc3ce
Added njs String object.
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|
1009 representing the UTF-8 encoding of the character |
8e2b3aadc3ce
Added njs String object.
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diff
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|
1010 <example> |
8e2b3aadc3ce
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changeset
|
1011 >> encodeURI('012αβγδ') |
2214
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|
1012 '012%CE%B1%CE%B2%CE%B3%CE%B4' |
2186
8e2b3aadc3ce
Added njs String object.
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|
1013 </example> |
8e2b3aadc3ce
Added njs String object.
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|
1014 </tag-desc> |
8e2b3aadc3ce
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|
1015 |
2267
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|
1016 <tag-name id="encodeuricomponent"><literal>encodeURIComponent(<value>encodedURIString</value>)</literal></tag-name> |
2186
8e2b3aadc3ce
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|
1017 <tag-desc> |
8e2b3aadc3ce
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|
1018 Encodes a URI by replacing each instance of certain characters |
8e2b3aadc3ce
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|
1019 by one, two, three, or four escape sequences |
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|
1020 representing the UTF-8 encoding of the character. |
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Added njs String object.
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|
1021 <example> |
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diff
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|
1022 >> encodeURIComponent('[@?=') |
2214
e029f4bc7ede
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|
1023 '%5B%40%3F%3D' |
2186
8e2b3aadc3ce
Added njs String object.
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|
1024 </example> |
8e2b3aadc3ce
Added njs String object.
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diff
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|
1025 </tag-desc> |
8e2b3aadc3ce
Added njs String object.
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|
1026 |
2267
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|
1027 <tag-name id="decodeuri"><literal>decodeURI(<value>encodedURI</value>)</literal></tag-name> |
2186
8e2b3aadc3ce
Added njs String object.
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|
1028 <tag-desc> |
8e2b3aadc3ce
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diff
changeset
|
1029 Decodes a previously <link id="encodeuri">encoded</link> URI. |
8e2b3aadc3ce
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diff
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|
1030 <example> |
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diff
changeset
|
1031 >> decodeURI('012%CE%B1%CE%B2%CE%B3%CE%B4') |
2214
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diff
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|
1032 '012αβγδ' |
2186
8e2b3aadc3ce
Added njs String object.
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diff
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|
1033 </example> |
8e2b3aadc3ce
Added njs String object.
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diff
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|
1034 </tag-desc> |
8e2b3aadc3ce
Added njs String object.
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changeset
|
1035 |
2267
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|
1036 <tag-name id="decodeuricomponent"><literal>decodeURIComponent(<value>decodedURIString</value>)</literal></tag-name> |
2186
8e2b3aadc3ce
Added njs String object.
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|
1037 <tag-desc> |
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|
1038 Decodes an encoded component of a previously encoded URI. |
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Added njs String object.
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|
1039 <example> |
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|
1040 >> decodeURIComponent('%5B%40%3F%3D') |
2214
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|
1041 '[@?=' |
2186
8e2b3aadc3ce
Added njs String object.
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|
1042 </example> |
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|
1043 </tag-desc> |
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|
1044 |
8e2b3aadc3ce
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changeset
|
1045 </list> |
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Added njs String object.
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|
1046 </para> |
8e2b3aadc3ce
Added njs String object.
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|
1047 |
8e2b3aadc3ce
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|
1048 </section> |
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|
1049 |
8e2b3aadc3ce
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|
1050 |
2176 | 1051 <section id="core_json" name="JSON"> |
1052 | |
1053 <para> | |
1054 The <literal>JSON</literal> object (ES 5.1) provides functions | |
1055 to convert njs values to and from JSON format. | |
1056 <list type="tag"> | |
1057 | |
2394
bde611cbb7ae
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|
1058 <tag-name id="core_json_parse"><literal>JSON.parse(<value>string</value>[, |
2176 | 1059 <value>reviver</value>])</literal></tag-name> |
1060 <tag-desc> | |
1061 Converts a <literal>string</literal> that represents JSON data | |
1062 into an njs object (<literal>{...}</literal>) or | |
1063 array (<literal>[...]</literal>). | |
1064 The optional <literal>reviver</literal> parameter is a function (key, value) | |
1065 that will be called for each (key,value) pair and can transform the value. | |
1066 </tag-desc> | |
1067 | |
2394
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|
1068 <tag-name id="core_json_stringify"><literal>JSON.stringify(<value>value</value>[, |
2176 | 1069 <value>replacer</value>] [, <value>space</value>])</literal></tag-name> |
1070 <tag-desc> | |
1071 Converts an njs object back to JSON. | |
1072 The obligatory <literal>value</literal> parameter is generally a JSON | |
1073 <literal>object</literal> or <literal>array</literal> that will be converted. | |
1074 If the value has a <literal>toJSON()</literal> method, | |
1075 it defines how the object will be serialized. | |
1076 The optional <literal>replacer</literal> parameter is | |
1077 a <literal>function</literal> or <literal>array</literal> | |
1078 that transforms results. | |
1079 The optional <literal>space</literal> parameter is | |
1080 a <literal>string</literal> or <literal>number</literal>. | |
1081 If it is a <literal>number</literal>, | |
1082 it indicates the number of white spaces placed before a result | |
1083 (no more than 10). | |
1084 If it is a <literal>string</literal>, | |
1085 it is used as a white space (or first 10 characters of it). | |
1086 If omitted or is <literal>null</literal>, no white space is used. | |
1087 </tag-desc> | |
1088 </list> | |
1089 </para> | |
1090 | |
1091 <para> | |
1092 <example> | |
1093 >> var json = JSON.parse('{"a":1, "b":true}') | |
1094 >> json.a | |
1095 1 | |
1096 | |
1097 >> JSON.stringify(json) | |
2214
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|
1098 '{"a":1,"b":true}' |
2176 | 1099 |
1100 >> JSON.stringify({ x: [10, undefined, function(){}] }) | |
2214
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|
1101 '{"x":[10,null,null]}' |
2176 | 1102 |
1103 >> JSON.stringify({"a":1, "toJSON": function() {return "xxx"}}) | |
2214
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diff
changeset
|
1104 '"xxx"' |
2176 | 1105 |
1106 # Example with function replacer | |
1107 | |
1108 >> function replacer(key, value) {return (typeof value === 'string') ? undefined : value} | |
1109 >>JSON.stringify({a:1, b:"b", c:true}, replacer) | |
2214
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|
1110 '{"a":1,"c":true}' |
2176 | 1111 </example> |
1112 </para> | |
1113 | |
1114 </section> | |
1115 | |
2177 | 1116 |
1117 <section id="crypto" name="Crypto"> | |
1118 | |
1119 <para> | |
1120 The Crypto module provides cryptographic functionality support. | |
1121 The Crypto module object is returned by <literal>require('crypto')</literal>. | |
1122 </para> | |
1123 | |
1124 <para> | |
1125 <list type="tag"> | |
1126 | |
2267
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1127 <tag-name id="crypto_createhash"><literal>crypto.createHash(<value>algorithm</value>)</literal></tag-name> |
2177 | 1128 <tag-desc> |
1129 Creates and returns a <link id="crypto_hash">Hash</link> object | |
1130 that can be used to generate hash digests | |
1131 using the given <value>algorithm</value>. | |
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1132 The algorithm can be |
2177 | 1133 <literal>md5</literal>, |
1134 <literal>sha1</literal>, and | |
1135 <literal>sha256</literal>. | |
1136 </tag-desc> | |
1137 | |
2267
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1138 <tag-name id="crypto_createhmac"><literal>crypto.createHmac(<value>algorithm</value>, |
2177 | 1139 <value>secret key</value>)</literal></tag-name> |
1140 <tag-desc> | |
1141 Creates and returns an <link id="crypto_hmac">HMAC</link> object | |
1142 that uses the given <value>algorithm</value> and <value>secret key</value>. | |
2496
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1143 The algorithm can be |
2177 | 1144 <literal>md5</literal>, |
1145 <literal>sha1</literal>, and | |
1146 <literal>sha256</literal>. | |
1147 </tag-desc> | |
1148 | |
1149 </list> | |
1150 </para> | |
1151 | |
1152 | |
1153 <section id="crypto_hash" name="Hash"> | |
1154 | |
1155 <para> | |
1156 <list type="tag"> | |
1157 | |
1158 <tag-name><literal>hash.update(<value>data</value>)</literal></tag-name> | |
1159 <tag-desc> | |
1160 Updates the hash content with the given <value>data</value>. | |
1161 </tag-desc> | |
1162 | |
1163 <tag-name><literal>hash.digest([<value>encoding</value>])</literal></tag-name> | |
1164 <tag-desc> | |
1165 Calculates the digest of all of the data passed using | |
1166 <literal>hash.update()</literal>. | |
1167 The encoding can be | |
1168 <literal>hex</literal>, | |
1169 <literal>base64</literal>, and | |
1170 <literal>base64url</literal>. | |
1171 If encoding is not provided, a byte string is returned. | |
1172 </tag-desc> | |
1173 | |
1174 </list> | |
1175 </para> | |
1176 | |
1177 <para> | |
1178 <example> | |
1179 >> var cr = require('crypto') | |
1180 undefined | |
1181 | |
1182 >> cr.createHash('sha1').update('A').update('B').digest('base64url') | |
2214
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1183 'BtlFlCqiamG-GMPiK_GbvKjdK10' |
2177 | 1184 </example> |
1185 </para> | |
1186 | |
1187 </section> | |
1188 | |
1189 | |
1190 <section id="crypto_hmac" name="HMAC"> | |
1191 | |
1192 <para> | |
1193 <list type="tag"> | |
1194 | |
1195 <tag-name><literal>hmac.update(<value>data</value>)</literal></tag-name> | |
1196 <tag-desc> | |
1197 Updates the HMAC content with the given <value>data</value>. | |
1198 </tag-desc> | |
1199 | |
1200 <tag-name><literal>hmac.digest([<value>encoding</value>])</literal></tag-name> | |
1201 <tag-desc> | |
1202 Calculates the HMAC digest of all of the data passed using | |
1203 <literal>hmac.update()</literal>. | |
1204 The encoding can be | |
1205 <literal>hex</literal>, | |
1206 <literal>base64</literal>, and | |
1207 <literal>base64url</literal>. | |
1208 If encoding is not provided, a byte string is returned. | |
1209 </tag-desc> | |
1210 </list> | |
1211 </para> | |
1212 | |
1213 <para> | |
1214 <example> | |
1215 >> var cr = require('crypto') | |
1216 undefined | |
1217 | |
1218 >> cr.createHmac('sha1', 'secret.key').update('AB').digest('base64url') | |
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1219 'Oglm93xn23_MkiaEq_e9u8zk374' |
2177 | 1220 </example> |
1221 </para> | |
1222 | |
1223 </section> | |
1224 | |
1225 </section> | |
1226 | |
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1227 <section id="njs_api_timers" name="Timers"> |
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1228 |
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1229 <para> |
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1230 |
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1231 <list type="tag"> |
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1232 |
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1233 <tag-name id="cleartimeout"><literal>clearTimeout(<value>timeout</value>)</literal></tag-name> |
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1234 <tag-desc> |
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1235 Cancels a <literal>timeout</literal> object |
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1236 created by <link id="settimeout">setTimeout()</link>. |
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1237 </tag-desc> |
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1238 |
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1239 <tag-name id="settimeout"><literal>setTimeout(<value>function</value>, |
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1240 <value>ms</value>[, <value>arg1</value>, <value>argN</value>])</literal></tag-name> |
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1241 <tag-desc> |
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1242 Calls a <literal>function</literal> |
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1243 after a specified number of <literal>milliseconds</literal>. |
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1244 One or more optional <literal>arguments</literal> |
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1245 can be passed to the specified function. |
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1246 Returns a <literal>timeout</literal> object. |
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1247 <example> |
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1248 function handler(v) |
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1249 { |
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1250 // ... |
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1251 } |
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1252 |
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1253 t = setTimeout(handler, 12); |
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1254 |
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1255 // ... |
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1256 |
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1257 clearTimeout(t); |
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1258 </example> |
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1259 </tag-desc> |
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1260 |
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1261 </list> |
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1262 </para> |
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1263 |
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1264 </section> |
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1265 |
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1266 |
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1267 <section id="njs_api_fs" name="File System"> |
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1268 |
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1269 <para> |
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1270 The File System module provides operations with files. |
2507 | 1271 </para> |
1272 | |
1273 <para> | |
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1274 The module object is returned by <literal>require('fs')</literal>. |
2508
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1275 Since <link doc="changes.xml" id="njs0.3.9">0.3.9</link>, |
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1276 promissified versions of file system methods are available through |
2507 | 1277 <literal>require('fs').promises</literal> object: |
1278 <example> | |
1279 > var fs = require('fs').promises; | |
1280 undefined | |
1281 > fs.readFile("/file/path").then((data)=>console.log(data)) | |
1282 <file data> | |
1283 </example> | |
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1284 <list type="tag"> |
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1285 |
2507 | 1286 <tag-name id="fs_accesssync"><literal>accessSync(<value>path</value>[, |
1287 <value>mode</value>])</literal></tag-name> | |
1288 <tag-desc> | |
1289 Synchronously tests permissions for a file or directory | |
1290 specified in the <literal>path</literal> | |
1291 (<link doc="changes.xml" id="njs0.3.9">0.3.9</link>). | |
1292 If the check fails, an error will be returned, | |
1293 otherwise, the method will return undefined. | |
1294 <list type="tag"> | |
1295 | |
1296 <tag-name><literal>mode</literal></tag-name> | |
1297 <tag-desc> | |
1298 by default is <link id="access_const"><literal>fs.constants.F_OK</literal></link>. | |
1299 The mode argument is an optional integer | |
1300 that specifies the accessibility checks to be performed. | |
1301 <example> | |
1302 try { | |
1303 fs.accessSync('/file/path', fs.constants.R_OK | fs.constants.W_OK); | |
1304 console.log('has access'); | |
1305 } catch (e) { | |
1306 console.log('no access');) | |
1307 } | |
1308 </example> | |
1309 </tag-desc> | |
1310 | |
1311 </list> | |
1312 </tag-desc> | |
1313 | |
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1314 <tag-name id="appendfilesync"><literal>appendFileSync(<value>filename</value>, |
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1315 <value>data</value>[, <value>options</value>])</literal></tag-name> |
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1316 <tag-desc> |
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1317 Synchronously appends specified <literal>data</literal> |
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1318 to a file with provided <literal>filename</literal>. |
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1319 If the file does not exist, it will be created. |
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1320 The <literal>options</literal> parameter is expected to be |
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1321 an object with the following keys: |
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1322 <list type="tag"> |
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1323 |
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1324 <tag-name><literal>mode</literal></tag-name> |
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1325 <tag-desc> |
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1326 mode option, by default is <literal>0o666</literal> |
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1327 </tag-desc> |
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1328 |
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1329 <tag-name><literal>flag</literal></tag-name> |
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1330 <tag-desc> |
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1331 file system <link id="njs_api_fs_flags">flag</link>, |
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1332 by default is <literal>a</literal> |
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1333 </tag-desc> |
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1334 |
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1335 </list> |
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1336 </tag-desc> |
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1337 |
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1338 <tag-name id="fs_mkdirsync"><literal>mkdirSync(<value>path</value>[, |
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1339 <value>options</value>])</literal></tag-name> |
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1340 <tag-desc> |
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1341 Synchronously creates a directory at the specified <literal>path</literal> |
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1342 (<link doc="changes.xml" id="njs0.4.2">0.4.2</link>). |
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1343 The <literal>options</literal> parameter is expected to be an |
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1344 <literal>integer</literal> that specifies |
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|
1345 the <link id="fs_mkdirsync_mode">mode</link>, |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
1346 or an object with the following keys: |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
1347 <list type="tag"> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
1348 |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
1349 <tag-name id="fs_mkdirsync_mode"><literal>mode</literal></tag-name> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
1350 <tag-desc> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
1351 mode option, by default is <literal>0o777</literal>. |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
1352 </tag-desc> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
1353 |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
1354 </list> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
1355 </tag-desc> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
1356 |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
1357 <tag-name id="fs_readdirsync"><literal>readdirSync(<value>path</value>[, |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
1358 <value>options</value>])</literal></tag-name> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
1359 <tag-desc> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
1360 Synchronously reads the contents of a directory |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
1361 at the specified <literal>path</literal> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
1362 (<link doc="changes.xml" id="njs0.4.2">0.4.2</link>). |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
1363 The <literal>options</literal> parameter is expected to be |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
1364 a string that specifies <link id="fs_readdirsync_encoding">encoding</link> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
1365 or an object with the following keys: |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
1366 <list type="tag"> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
1367 |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
1368 <tag-name id="fs_readdirsync_encoding"><literal>encoding</literal></tag-name> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
1369 <tag-desc> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
1370 encoding, by default is not specified. |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
1371 The encoding can be <literal>utf8</literal>. |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
1372 </tag-desc> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
1373 |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
1374 <tag-name id="fs_readdirsync_withfiletypes"><literal>withFileTypes</literal></tag-name> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
1375 <tag-desc> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
1376 if set to <literal>true</literal>, the files array will contain |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
1377 <link id="fs_dirent"><literal>fs.Dirent</literal></link> objects, |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
1378 by default is <literal>false</literal>. |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
1379 </tag-desc> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
1380 |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
1381 </list> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
1382 </tag-desc> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
1383 |
2204
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
1384 <tag-name id="readfilesync"><literal>readFileSync(<value>filename</value>[, |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
1385 <value>options</value>])</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 Synchronously returns the contents of the file |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
1388 with provided <literal>filename</literal>. |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
1389 The <literal>options</literal> parameter holds |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
1390 <literal>string</literal> that specifies encoding. |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
1391 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
|
1392 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
|
1393 Otherwise, <literal>options</literal> is expected to be |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
1394 an object with the following keys: |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
1395 <list type="tag"> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
1396 |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
1397 <tag-name><literal>encoding</literal></tag-name> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
1398 <tag-desc> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
1399 encoding, by default is not specified. |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
1400 The encoding can be <literal>utf8</literal> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
1401 </tag-desc> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
1402 |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
1403 <tag-name><literal>flag</literal></tag-name> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
1404 <tag-desc> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
1405 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
|
1406 by default is <literal>r</literal> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
1407 </tag-desc> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1408 |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
1409 </list> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
1410 <example> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
1411 >> var fs = require('fs') |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
1412 undefined |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
1413 >> var file = fs.readFileSync('/file/path.tar.gz') |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
1414 undefined |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
1415 >> var gzipped = /^\x1f\x8b/.test(file); gzipped |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
1416 true |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
1417 </example> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
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|
1418 </tag-desc> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
1419 |
2507 | 1420 <tag-name id="fs_realpathsync"><literal>realpathSync(<value>path</value>[, |
1421 <value>options</value>])</literal></tag-name> | |
1422 <tag-desc> | |
1423 Synchronously computes the canonical pathname by resolving | |
1424 <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
|
1425 <link url="http://man7.org/linux/man-pages/man3/realpath.3.html">realpath(3)</link>. |
2507 | 1426 The <literal>options</literal> argument can be a string specifying an encoding, |
1427 or an object with an encoding property specifying the character encoding | |
1428 to use for the path passed to the callback | |
1429 (<link doc="changes.xml" id="njs0.3.9">0.3.9</link>). | |
1430 </tag-desc> | |
1431 | |
2509
827a6d7fe108
Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2508
diff
changeset
|
1432 <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
|
1433 <value>newPath</value>)</literal></tag-name> |
827a6d7fe108
Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2508
diff
changeset
|
1434 <tag-desc> |
827a6d7fe108
Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2508
diff
changeset
|
1435 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
|
1436 <literal>oldPath</literal> to <literal>newPath</literal> |
827a6d7fe108
Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2508
diff
changeset
|
1437 (<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:
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diff
changeset
|
1438 <example> |
827a6d7fe108
Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1439 >> var fs = require('fs') |
827a6d7fe108
Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
1440 undefined |
827a6d7fe108
Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2508
diff
changeset
|
1441 >> var file = fs.renameSync('hello.txt', 'HelloWorld.txt') |
827a6d7fe108
Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2508
diff
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|
1442 undefined |
827a6d7fe108
Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1443 </example> |
827a6d7fe108
Reordered alphabetically njs file system methods.
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diff
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|
1444 </tag-desc> |
827a6d7fe108
Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2508
diff
changeset
|
1445 |
2563
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
1446 <tag-name id="fs_rmdirsync"><literal>rmdirSync(<value>path</value>)</literal></tag-name> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1447 <tag-desc> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1448 Synchronously removes a directory at the specified <literal>path</literal> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
1449 (<link doc="changes.xml" id="njs0.4.2">0.4.2</link>). |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
1450 </tag-desc> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1451 |
2509
827a6d7fe108
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changeset
|
1452 <tag-name id="fs_symlinksync"><literal>symlinkSync(<value>target</value>, |
827a6d7fe108
Reordered alphabetically njs file system methods.
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parents:
2508
diff
changeset
|
1453 <value>path</value>)</literal></tag-name> |
827a6d7fe108
Reordered alphabetically njs file system methods.
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2508
diff
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|
1454 <tag-desc> |
827a6d7fe108
Reordered alphabetically njs file system methods.
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parents:
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diff
changeset
|
1455 Synchronously creates the link called <literal>path</literal> |
827a6d7fe108
Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2508
diff
changeset
|
1456 pointing to <literal>target</literal> using |
827a6d7fe108
Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2508
diff
changeset
|
1457 <link url="http://man7.org/linux/man-pages/man2/symlink.2.html">symlink(2)</link> |
827a6d7fe108
Reordered alphabetically njs file system methods.
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changeset
|
1458 (<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
|
1459 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
|
1460 </tag-desc> |
827a6d7fe108
Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2508
diff
changeset
|
1461 |
827a6d7fe108
Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2508
diff
changeset
|
1462 <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
|
1463 <tag-desc> |
827a6d7fe108
Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2508
diff
changeset
|
1464 Synchronously unlinks a file by <literal>path</literal> |
827a6d7fe108
Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2508
diff
changeset
|
1465 (<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
|
1466 </tag-desc> |
827a6d7fe108
Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2508
diff
changeset
|
1467 |
2204
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
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|
1468 <tag-name id="writefilesync"><literal>writeFileSync(<value>filename</value>, |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
1469 <value>data</value>[, |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
1470 <value>options</value>])</literal></tag-name> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
1471 <tag-desc> |
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Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1472 Synchronously writes <literal>data</literal> to a file |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
1473 with provided <literal>filename</literal>. |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
1474 If the file does not exist, it will be created, |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1475 if the file exists, it will be replaced. |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
1476 The <literal>options</literal> parameter is expected to be |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
1477 an object with the following keys: |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
1478 <list type="tag"> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
1479 <tag-name><literal>mode</literal></tag-name> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
1480 <tag-desc> |
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Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
1481 mode option, by default is <literal>0o666</literal> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
1482 </tag-desc> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
1483 |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1484 <tag-name><literal>flag</literal></tag-name> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
1485 <tag-desc> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
1486 file system <link id="njs_api_fs_flags">flag</link>, |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
1487 by default is <literal>w</literal> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
1488 </tag-desc> |
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Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
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|
1489 |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1490 </list> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
1491 <example> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
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|
1492 >> var fs = require('fs') |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
1493 undefined |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1494 >> var file = fs.writeFileSync('hello.txt', 'Hello world') |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
1495 undefined |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1496 </example> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
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|
1497 </tag-desc> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1498 |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1499 </list> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1500 </para> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1501 |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1502 |
2563
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
1503 <section id="fs_dirent" name="fs.Dirent"> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
1504 |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
1505 <para> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
1506 <literal>fs.Dirent</literal> is a representation of a directory entry— |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
1507 a file or a subdirectory. |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
1508 When |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
1509 <link id="fs_readdirsync"><literal>readdirSync()</literal></link> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
1510 is called with the |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
1511 <link id="fs_readdirsync_withfiletypes"><literal>withFileTypes</literal></link> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
1512 option, |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
1513 the resulting array contains <literal>fs.Dirent</literal> objects. |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
1514 |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
1515 <list type= "bullet" compact="no"> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
1516 |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
1517 <listitem> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
1518 <literal>dirent.isBlockDevice()</literal>—returns |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
1519 <literal>true</literal> if the <literal>fs.Dirent</literal> object describes |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
1520 a block device. |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
1521 </listitem> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
1522 |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
1523 <listitem> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
1524 <literal>dirent.isCharacterDevice()</literal>—returns |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
1525 <literal>true</literal> if the <literal>fs.Dirent</literal> object describes |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
1526 a character device. |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
1527 </listitem> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
1528 |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
1529 <listitem> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
1530 <literal>dirent.isDirectory()</literal>—returns |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
1531 <literal>true</literal> if the <literal>fs.Dirent</literal> object describes |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
1532 a file system directory. |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
1533 </listitem> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
1534 |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
1535 <listitem> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
1536 <literal>dirent.isFIFO()</literal>—returns |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
1537 <literal>true</literal> if the <literal>fs.Dirent</literal> object describes |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
1538 a first-in-first-out (FIFO) pipe. |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1539 </listitem> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
1540 |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
1541 <listitem> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
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parents:
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diff
changeset
|
1542 <literal>dirent.isFile()</literal>—returns |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
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parents:
2546
diff
changeset
|
1543 <literal>true</literal> if the <literal>fs.Dirent</literal> object describes |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1544 a regular file. |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
1545 </listitem> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
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parents:
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diff
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|
1546 |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
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parents:
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diff
changeset
|
1547 <listitem> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
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parents:
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diff
changeset
|
1548 <literal>dirent.isSocket()</literal>—returns |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
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parents:
2546
diff
changeset
|
1549 <literal>true</literal> if the <literal>fs.Dirent</literal> object describes |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
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parents:
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diff
changeset
|
1550 a socket. |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
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parents:
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diff
changeset
|
1551 </listitem> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
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parents:
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diff
changeset
|
1552 |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1553 <listitem> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
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parents:
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diff
changeset
|
1554 <literal>dirent.isSymbolicLink()</literal>—returns |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
1555 <literal>true</literal> if the <literal>fs.Dirent</literal> object describes |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
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parents:
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diff
changeset
|
1556 a symbolic link. |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1557 </listitem> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
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parents:
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diff
changeset
|
1558 |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
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parents:
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diff
changeset
|
1559 <listitem> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1560 <literal>dirent.name</literal>— |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1561 the name of the file <literal>fs.Dirent</literal> object refers to. |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1562 </listitem> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
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parents:
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diff
changeset
|
1563 |
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1564 </list> |
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1565 </para> |
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1566 |
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1567 </section> |
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1568 |
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|
1569 |
2507 | 1570 <section id="access_const" name="File Access Constants"> |
1571 | |
1572 <para> | |
1573 The <link id="fs_accesssync"><literal>access()</literal></link> method | |
1574 can accept the following flags. | |
1575 These flags are exported by <literal>fs.constants</literal>: | |
1576 | |
1577 <list type= "bullet" compact="no"> | |
1578 | |
1579 <listitem> | |
1580 <literal>F_OK</literal>—indicates that the file | |
1581 is visible to the calling process, | |
1582 used by default if no mode is specified | |
1583 </listitem> | |
1584 | |
1585 <listitem> | |
1586 <literal>R_OK</literal>—indicates that the file can be | |
1587 read by the calling process | |
1588 </listitem> | |
1589 | |
1590 <listitem> | |
1591 <literal>W_OK</literal>—indicates that the file can be | |
1592 written by the calling process | |
1593 </listitem> | |
1594 | |
1595 <listitem> | |
1596 <literal>X_OK</literal>—indicates that the file can be | |
1597 executed by the calling process | |
1598 </listitem> | |
1599 | |
1600 </list> | |
1601 </para> | |
1602 | |
1603 </section> | |
1604 | |
1605 | |
2204
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1606 <section id="njs_api_fs_flags" name="File System Flags"> |
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1607 |
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1608 <para> |
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1609 The <literal>flag</literal> option can accept the following values: |
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1610 |
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1611 <list type= "bullet" compact="no"> |
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1612 |
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1613 <listitem> |
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1614 <literal>a</literal>—open a file for appending. |
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1615 The file is created if it does not exist |
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1616 </listitem> |
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1617 |
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1618 <listitem> |
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1619 <literal>ax</literal>—the same as <literal>a</literal> |
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1620 but fails if the file already exists |
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1621 </listitem> |
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1622 |
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1623 <listitem> |
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1624 <literal>a+</literal>—open a file for reading and appending. |
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1625 If the file does not exist, it will be created |
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1626 </listitem> |
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1627 |
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1628 <listitem> |
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1629 <literal>ax+</literal>—the same as <literal>a+</literal> |
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1630 but fails if the file already exists |
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1631 </listitem> |
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|
1632 |
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1633 <listitem> |
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1634 <literal>as</literal>—open a file for appending in synchronous mode. |
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1635 If the file does not exist, it will be created |
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1636 </listitem> |
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1637 |
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1638 <listitem> |
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1639 <literal>as+</literal>—open a file for reading and appending |
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1640 in synchronous mode. |
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1641 If the file does not exist, it will be created |
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1642 </listitem> |
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1643 |
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1644 <listitem> |
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1645 <literal>r</literal>—open a file for reading. |
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1646 An exception occurs if the file does not exist |
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1647 </listitem> |
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|
1648 |
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1649 <listitem> |
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1650 <literal>r+</literal>—open a file for reading and writing. |
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1651 An exception occurs if the file does not exist |
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1652 </listitem> |
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1653 |
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1654 <listitem> |
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1655 <literal>rs+</literal>—open a file for reading and writing |
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1656 in synchronous mode. |
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1657 Instructs the operating system to bypass the local file system cache |
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1658 </listitem> |
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1659 |
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1660 <listitem> |
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1661 <literal>w</literal>—open a file for writing. |
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1662 If the file does not exist, it will be created. |
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1663 If the file exists, it will be replaced |
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1664 </listitem> |
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1665 |
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1666 <listitem> |
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1667 <literal>wx</literal>—the same as <literal>w</literal> |
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1668 but fails if the file already exists |
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1669 </listitem> |
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1670 |
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1671 <listitem> |
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1672 <literal>w+</literal>—open a file for reading and writing. |
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1673 If the file does not exist, it will be created. |
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1674 If the file exists, it will be replaced |
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1675 </listitem> |
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1676 |
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1677 <listitem> |
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1678 <literal>wx+</literal>—the same as <literal>w+</literal> |
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1679 but fails if the file already exists |
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1680 </listitem> |
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1681 |
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1682 </list> |
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1683 </para> |
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1684 |
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1685 </section> |
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1686 |
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1687 </section> |
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1688 |
2176 | 1689 </section> |
1690 | |
2175
cd4889fdcfa4
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1691 </article> |