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<!DOCTYPE html><meta charset="UTF-8"><meta http-equiv="Content-Language" content="en" /><title>base.js</title><link href="../../../dossier.css" rel="stylesheet" type="text/css"><div id="main-wrapper"><input type="checkbox" id="sidenav-toggle" /><main><header><h1>lib/goog/base.js</h1></header><pre><table class="srcfile"><tbody><tr><td><a name="l1" href="#l1">1</a><td>// Copyright 2006 The Closure Library Authors. All Rights Reserved.<tr><td><a name="l2" href="#l2">2</a><td>//<tr><td><a name="l3" href="#l3">3</a><td>// Licensed under the Apache License, Version 2.0 (the "License");<tr><td><a name="l4" href="#l4">4</a><td>// you may not use this file except in compliance with the License.<tr><td><a name="l5" href="#l5">5</a><td>// You may obtain a copy of the License at<tr><td><a name="l6" href="#l6">6</a><td>//<tr><td><a name="l7" href="#l7">7</a><td>// http://www.apache.org/licenses/LICENSE-2.0<tr><td><a name="l8" href="#l8">8</a><td>//<tr><td><a name="l9" href="#l9">9</a><td>// Unless required by applicable law or agreed to in writing, software<tr><td><a name="l10" href="#l10">10</a><td>// distributed under the License is distributed on an "AS-IS" BASIS,<tr><td><a name="l11" href="#l11">11</a><td>// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<tr><td><a name="l12" href="#l12">12</a><td>// See the License for the specific language governing permissions and<tr><td><a name="l13" href="#l13">13</a><td>// limitations under the License.<tr><td><a name="l14" href="#l14">14</a><td><tr><td><a name="l15" href="#l15">15</a><td>/**<tr><td><a name="l16" href="#l16">16</a><td> * @fileoverview Bootstrap for the Google JS Library (Closure).<tr><td><a name="l17" href="#l17">17</a><td> *<tr><td><a name="l18" href="#l18">18</a><td> * In uncompiled mode base.js will write out Closure's deps file, unless the<tr><td><a name="l19" href="#l19">19</a><td> * global <code>CLOSURE_NO_DEPS</code> is set to true. This allows projects to<tr><td><a name="l20" href="#l20">20</a><td> * include their own deps file(s) from different locations.<tr><td><a name="l21" href="#l21">21</a><td> *<tr><td><a name="l22" href="#l22">22</a><td> *<tr><td><a name="l23" href="#l23">23</a><td> * @provideGoog<tr><td><a name="l24" href="#l24">24</a><td> */<tr><td><a name="l25" href="#l25">25</a><td><tr><td><a name="l26" href="#l26">26</a><td><tr><td><a name="l27" href="#l27">27</a><td>/**<tr><td><a name="l28" href="#l28">28</a><td> * @define {boolean} Overridden to true by the compiler when --closure_pass<tr><td><a name="l29" href="#l29">29</a><td> * or --mark_as_compiled is specified.<tr><td><a name="l30" href="#l30">30</a><td> */<tr><td><a name="l31" href="#l31">31</a><td>var COMPILED = false;<tr><td><a name="l32" href="#l32">32</a><td><tr><td><a name="l33" href="#l33">33</a><td><tr><td><a name="l34" href="#l34">34</a><td>/**<tr><td><a name="l35" href="#l35">35</a><td> * Base namespace for the Closure library. Checks to see goog is already<tr><td><a name="l36" href="#l36">36</a><td> * defined in the current scope before assigning to prevent clobbering if<tr><td><a name="l37" href="#l37">37</a><td> * base.js is loaded more than once.<tr><td><a name="l38" href="#l38">38</a><td> *<tr><td><a name="l39" href="#l39">39</a><td> * @const<tr><td><a name="l40" href="#l40">40</a><td> */<tr><td><a name="l41" href="#l41">41</a><td>var goog = goog || {};<tr><td><a name="l42" href="#l42">42</a><td><tr><td><a name="l43" href="#l43">43</a><td><tr><td><a name="l44" href="#l44">44</a><td>/**<tr><td><a name="l45" href="#l45">45</a><td> * Reference to the global context. In most cases this will be 'window'.<tr><td><a name="l46" href="#l46">46</a><td> */<tr><td><a name="l47" href="#l47">47</a><td>goog.global = this;<tr><td><a name="l48" href="#l48">48</a><td><tr><td><a name="l49" href="#l49">49</a><td><tr><td><a name="l50" href="#l50">50</a><td>/**<tr><td><a name="l51" href="#l51">51</a><td> * A hook for overriding the define values in uncompiled mode.<tr><td><a name="l52" href="#l52">52</a><td> *<tr><td><a name="l53" href="#l53">53</a><td> * In uncompiled mode, {@code CLOSURE_UNCOMPILED_DEFINES} may be defined before<tr><td><a name="l54" href="#l54">54</a><td> * loading base.js. If a key is defined in {@code CLOSURE_UNCOMPILED_DEFINES},<tr><td><a name="l55" href="#l55">55</a><td> * {@code goog.define} will use the value instead of the default value. This<tr><td><a name="l56" href="#l56">56</a><td> * allows flags to be overwritten without compilation (this is normally<tr><td><a name="l57" href="#l57">57</a><td> * accomplished with the compiler's "define" flag).<tr><td><a name="l58" href="#l58">58</a><td> *<tr><td><a name="l59" href="#l59">59</a><td> * Example:<tr><td><a name="l60" href="#l60">60</a><td> * <pre><tr><td><a name="l61" href="#l61">61</a><td> * var CLOSURE_UNCOMPILED_DEFINES = {'goog.DEBUG': false};<tr><td><a name="l62" href="#l62">62</a><td> * </pre><tr><td><a name="l63" href="#l63">63</a><td> *<tr><td><a name="l64" href="#l64">64</a><td> * @type {Object.<string, (string|number|boolean)>|undefined}<tr><td><a name="l65" href="#l65">65</a><td> */<tr><td><a name="l66" href="#l66">66</a><td>goog.global.CLOSURE_UNCOMPILED_DEFINES;<tr><td><a name="l67" href="#l67">67</a><td><tr><td><a name="l68" href="#l68">68</a><td><tr><td><a name="l69" href="#l69">69</a><td>/**<tr><td><a name="l70" href="#l70">70</a><td> * A hook for overriding the define values in uncompiled or compiled mode,<tr><td><a name="l71" href="#l71">71</a><td> * like CLOSURE_UNCOMPILED_DEFINES but effective in compiled code. In<tr><td><a name="l72" href="#l72">72</a><td> * uncompiled code CLOSURE_UNCOMPILED_DEFINES takes precedence.<tr><td><a name="l73" href="#l73">73</a><td> *<tr><td><a name="l74" href="#l74">74</a><td> * Also unlike CLOSURE_UNCOMPILED_DEFINES the values must be number, boolean or<tr><td><a name="l75" href="#l75">75</a><td> * string literals or the compiler will emit an error.<tr><td><a name="l76" href="#l76">76</a><td> *<tr><td><a name="l77" href="#l77">77</a><td> * While any @define value may be set, only those set with goog.define will be<tr><td><a name="l78" href="#l78">78</a><td> * effective for uncompiled code.<tr><td><a name="l79" href="#l79">79</a><td> *<tr><td><a name="l80" href="#l80">80</a><td> * Example:<tr><td><a name="l81" href="#l81">81</a><td> * <pre><tr><td><a name="l82" href="#l82">82</a><td> * var CLOSURE_DEFINES = {'goog.DEBUG': false};<tr><td><a name="l83" href="#l83">83</a><td> * </pre><tr><td><a name="l84" href="#l84">84</a><td> *<tr><td><a name="l85" href="#l85">85</a><td> * @type {Object.<string, (string|number|boolean)>|undefined}<tr><td><a name="l86" href="#l86">86</a><td> */<tr><td><a name="l87" href="#l87">87</a><td>goog.global.CLOSURE_DEFINES;<tr><td><a name="l88" href="#l88">88</a><td><tr><td><a name="l89" href="#l89">89</a><td><tr><td><a name="l90" href="#l90">90</a><td>/**<tr><td><a name="l91" href="#l91">91</a><td> * Returns true if the specified value is not undefined.<tr><td><a name="l92" href="#l92">92</a><td> * WARNING: Do not use this to test if an object has a property. Use the in<tr><td><a name="l93" href="#l93">93</a><td> * operator instead.<tr><td><a name="l94" href="#l94">94</a><td> *<tr><td><a name="l95" href="#l95">95</a><td> * @param {?} val Variable to test.<tr><td><a name="l96" href="#l96">96</a><td> * @return {boolean} Whether variable is defined.<tr><td><a name="l97" href="#l97">97</a><td> */<tr><td><a name="l98" href="#l98">98</a><td>goog.isDef = function(val) {<tr><td><a name="l99" href="#l99">99</a><td> // void 0 always evaluates to undefined and hence we do not need to depend on<tr><td><a name="l100" href="#l100">100</a><td> // the definition of the global variable named 'undefined'.<tr><td><a name="l101" href="#l101">101</a><td> return val !== void 0;<tr><td><a name="l102" href="#l102">102</a><td>};<tr><td><a name="l103" href="#l103">103</a><td><tr><td><a name="l104" href="#l104">104</a><td><tr><td><a name="l105" href="#l105">105</a><td>/**<tr><td><a name="l106" href="#l106">106</a><td> * Builds an object structure for the provided namespace path, ensuring that<tr><td><a name="l107" href="#l107">107</a><td> * names that already exist are not overwritten. For example:<tr><td><a name="l108" href="#l108">108</a><td> * "a.b.c" -> a = {};a.b={};a.b.c={};<tr><td><a name="l109" href="#l109">109</a><td> * Used by goog.provide and goog.exportSymbol.<tr><td><a name="l110" href="#l110">110</a><td> * @param {string} name name of the object that this file defines.<tr><td><a name="l111" href="#l111">111</a><td> * @param {*=} opt_object the object to expose at the end of the path.<tr><td><a name="l112" href="#l112">112</a><td> * @param {Object=} opt_objectToExportTo The object to add the path to; default<tr><td><a name="l113" href="#l113">113</a><td> * is |goog.global|.<tr><td><a name="l114" href="#l114">114</a><td> * @private<tr><td><a name="l115" href="#l115">115</a><td> */<tr><td><a name="l116" href="#l116">116</a><td>goog.exportPath_ = function(name, opt_object, opt_objectToExportTo) {<tr><td><a name="l117" href="#l117">117</a><td> var parts = name.split('.');<tr><td><a name="l118" href="#l118">118</a><td> var cur = opt_objectToExportTo || goog.global;<tr><td><a name="l119" href="#l119">119</a><td><tr><td><a name="l120" href="#l120">120</a><td> // Internet Explorer exhibits strange behavior when throwing errors from<tr><td><a name="l121" href="#l121">121</a><td> // methods externed in this manner. See the testExportSymbolExceptions in<tr><td><a name="l122" href="#l122">122</a><td> // base_test.html for an example.<tr><td><a name="l123" href="#l123">123</a><td> if (!(parts[0] in cur) && cur.execScript) {<tr><td><a name="l124" href="#l124">124</a><td> cur.execScript('var ' + parts[0]);<tr><td><a name="l125" href="#l125">125</a><td> }<tr><td><a name="l126" href="#l126">126</a><td><tr><td><a name="l127" href="#l127">127</a><td> // Certain browsers cannot parse code in the form for((a in b); c;);<tr><td><a name="l128" href="#l128">128</a><td> // This pattern is produced by the JSCompiler when it collapses the<tr><td><a name="l129" href="#l129">129</a><td> // statement above into the conditional loop below. To prevent this from<tr><td><a name="l130" href="#l130">130</a><td> // happening, use a for-loop and reserve the init logic as below.<tr><td><a name="l131" href="#l131">131</a><td><tr><td><a name="l132" href="#l132">132</a><td> // Parentheses added to eliminate strict JS warning in Firefox.<tr><td><a name="l133" href="#l133">133</a><td> for (var part; parts.length && (part = parts.shift());) {<tr><td><a name="l134" href="#l134">134</a><td> if (!parts.length && goog.isDef(opt_object)) {<tr><td><a name="l135" href="#l135">135</a><td> // last part and we have an object; use it<tr><td><a name="l136" href="#l136">136</a><td> cur[part] = opt_object;<tr><td><a name="l137" href="#l137">137</a><td> } else if (cur[part]) {<tr><td><a name="l138" href="#l138">138</a><td> cur = cur[part];<tr><td><a name="l139" href="#l139">139</a><td> } else {<tr><td><a name="l140" href="#l140">140</a><td> cur = cur[part] = {};<tr><td><a name="l141" href="#l141">141</a><td> }<tr><td><a name="l142" href="#l142">142</a><td> }<tr><td><a name="l143" href="#l143">143</a><td>};<tr><td><a name="l144" href="#l144">144</a><td><tr><td><a name="l145" href="#l145">145</a><td><tr><td><a name="l146" href="#l146">146</a><td>/**<tr><td><a name="l147" href="#l147">147</a><td> * Defines a named value. In uncompiled mode, the value is retreived from<tr><td><a name="l148" href="#l148">148</a><td> * CLOSURE_DEFINES or CLOSURE_UNCOMPILED_DEFINES if the object is defined and<tr><td><a name="l149" href="#l149">149</a><td> * has the property specified, and otherwise used the defined defaultValue.<tr><td><a name="l150" href="#l150">150</a><td> * When compiled, the default can be overridden using compiler command-line<tr><td><a name="l151" href="#l151">151</a><td> * options.<tr><td><a name="l152" href="#l152">152</a><td> *<tr><td><a name="l153" href="#l153">153</a><td> * @param {string} name The distinguished name to provide.<tr><td><a name="l154" href="#l154">154</a><td> * @param {string|number|boolean} defaultValue<tr><td><a name="l155" href="#l155">155</a><td> */<tr><td><a name="l156" href="#l156">156</a><td>goog.define = function(name, defaultValue) {<tr><td><a name="l157" href="#l157">157</a><td> var value = defaultValue;<tr><td><a name="l158" href="#l158">158</a><td> if (!COMPILED) {<tr><td><a name="l159" href="#l159">159</a><td> if (goog.global.CLOSURE_UNCOMPILED_DEFINES &&<tr><td><a name="l160" href="#l160">160</a><td> Object.prototype.hasOwnProperty.call(<tr><td><a name="l161" href="#l161">161</a><td> goog.global.CLOSURE_UNCOMPILED_DEFINES, name)) {<tr><td><a name="l162" href="#l162">162</a><td> value = goog.global.CLOSURE_UNCOMPILED_DEFINES[name];<tr><td><a name="l163" href="#l163">163</a><td> } else if (goog.global.CLOSURE_DEFINES &&<tr><td><a name="l164" href="#l164">164</a><td> Object.prototype.hasOwnProperty.call(<tr><td><a name="l165" href="#l165">165</a><td> goog.global.CLOSURE_DEFINES, name)) {<tr><td><a name="l166" href="#l166">166</a><td> value = goog.global.CLOSURE_DEFINES[name];<tr><td><a name="l167" href="#l167">167</a><td> }<tr><td><a name="l168" href="#l168">168</a><td> }<tr><td><a name="l169" href="#l169">169</a><td> goog.exportPath_(name, value);<tr><td><a name="l170" href="#l170">170</a><td>};<tr><td><a name="l171" href="#l171">171</a><td><tr><td><a name="l172" href="#l172">172</a><td><tr><td><a name="l173" href="#l173">173</a><td>/**<tr><td><a name="l174" href="#l174">174</a><td> * @define {boolean} DEBUG is provided as a convenience so that debugging code<tr><td><a name="l175" href="#l175">175</a><td> * that should not be included in a production js_binary can be easily stripped<tr><td><a name="l176" href="#l176">176</a><td> * by specifying --define goog.DEBUG=false to the JSCompiler. For example, most<tr><td><a name="l177" href="#l177">177</a><td> * toString() methods should be declared inside an "if (goog.DEBUG)" conditional<tr><td><a name="l178" href="#l178">178</a><td> * because they are generally used for debugging purposes and it is difficult<tr><td><a name="l179" href="#l179">179</a><td> * for the JSCompiler to statically determine whether they are used.<tr><td><a name="l180" href="#l180">180</a><td> */<tr><td><a name="l181" href="#l181">181</a><td>goog.DEBUG = true;<tr><td><a name="l182" href="#l182">182</a><td><tr><td><a name="l183" href="#l183">183</a><td><tr><td><a name="l184" href="#l184">184</a><td>/**<tr><td><a name="l185" href="#l185">185</a><td> * @define {string} LOCALE defines the locale being used for compilation. It is<tr><td><a name="l186" href="#l186">186</a><td> * used to select locale specific data to be compiled in js binary. BUILD rule<tr><td><a name="l187" href="#l187">187</a><td> * can specify this value by "--define goog.LOCALE=<locale_name>" as JSCompiler<tr><td><a name="l188" href="#l188">188</a><td> * option.<tr><td><a name="l189" href="#l189">189</a><td> *<tr><td><a name="l190" href="#l190">190</a><td> * Take into account that the locale code format is important. You should use<tr><td><a name="l191" href="#l191">191</a><td> * the canonical Unicode format with hyphen as a delimiter. Language must be<tr><td><a name="l192" href="#l192">192</a><td> * lowercase, Language Script - Capitalized, Region - UPPERCASE.<tr><td><a name="l193" href="#l193">193</a><td> * There are few examples: pt-BR, en, en-US, sr-Latin-BO, zh-Hans-CN.<tr><td><a name="l194" href="#l194">194</a><td> *<tr><td><a name="l195" href="#l195">195</a><td> * See more info about locale codes here:<tr><td><a name="l196" href="#l196">196</a><td> * http://www.unicode.org/reports/tr35/#Unicode_Language_and_Locale_Identifiers<tr><td><a name="l197" href="#l197">197</a><td> *<tr><td><a name="l198" href="#l198">198</a><td> * For language codes you should use values defined by ISO 693-1. See it here<tr><td><a name="l199" href="#l199">199</a><td> * http://www.w3.org/WAI/ER/IG/ert/iso639.htm. There is only one exception from<tr><td><a name="l200" href="#l200">200</a><td> * this rule: the Hebrew language. For legacy reasons the old code (iw) should<tr><td><a name="l201" href="#l201">201</a><td> * be used instead of the new code (he), see http://wiki/Main/IIISynonyms.<tr><td><a name="l202" href="#l202">202</a><td> */<tr><td><a name="l203" href="#l203">203</a><td>goog.define('goog.LOCALE', 'en'); // default to en<tr><td><a name="l204" href="#l204">204</a><td><tr><td><a name="l205" href="#l205">205</a><td><tr><td><a name="l206" href="#l206">206</a><td>/**<tr><td><a name="l207" href="#l207">207</a><td> * @define {boolean} Whether this code is running on trusted sites.<tr><td><a name="l208" href="#l208">208</a><td> *<tr><td><a name="l209" href="#l209">209</a><td> * On untrusted sites, several native functions can be defined or overridden by<tr><td><a name="l210" href="#l210">210</a><td> * external libraries like Prototype, Datejs, and JQuery and setting this flag<tr><td><a name="l211" href="#l211">211</a><td> * to false forces closure to use its own implementations when possible.<tr><td><a name="l212" href="#l212">212</a><td> *<tr><td><a name="l213" href="#l213">213</a><td> * If your JavaScript can be loaded by a third party site and you are wary about<tr><td><a name="l214" href="#l214">214</a><td> * relying on non-standard implementations, specify<tr><td><a name="l215" href="#l215">215</a><td> * "--define goog.TRUSTED_SITE=false" to the JSCompiler.<tr><td><a name="l216" href="#l216">216</a><td> */<tr><td><a name="l217" href="#l217">217</a><td>goog.define('goog.TRUSTED_SITE', true);<tr><td><a name="l218" href="#l218">218</a><td><tr><td><a name="l219" href="#l219">219</a><td><tr><td><a name="l220" href="#l220">220</a><td>/**<tr><td><a name="l221" href="#l221">221</a><td> * @define {boolean} Whether a project is expected to be running in strict mode.<tr><td><a name="l222" href="#l222">222</a><td> *<tr><td><a name="l223" href="#l223">223</a><td> * This define can be used to trigger alternate implementations compatible with<tr><td><a name="l224" href="#l224">224</a><td> * running in EcmaScript Strict mode or warn about unavailable functionality.<tr><td><a name="l225" href="#l225">225</a><td> * See https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Functions_and_function_scope/Strict_mode<tr><td><a name="l226" href="#l226">226</a><td> */<tr><td><a name="l227" href="#l227">227</a><td>goog.define('goog.STRICT_MODE_COMPATIBLE', false);<tr><td><a name="l228" href="#l228">228</a><td><tr><td><a name="l229" href="#l229">229</a><td><tr><td><a name="l230" href="#l230">230</a><td>/**<tr><td><a name="l231" href="#l231">231</a><td> * Creates object stubs for a namespace. The presence of one or more<tr><td><a name="l232" href="#l232">232</a><td> * goog.provide() calls indicate that the file defines the given<tr><td><a name="l233" href="#l233">233</a><td> * objects/namespaces. Provided objects must not be null or undefined.<tr><td><a name="l234" href="#l234">234</a><td> * Build tools also scan for provide/require statements<tr><td><a name="l235" href="#l235">235</a><td> * to discern dependencies, build dependency files (see deps.js), etc.<tr><td><a name="l236" href="#l236">236</a><td> * @see goog.require<tr><td><a name="l237" href="#l237">237</a><td> * @param {string} name Namespace provided by this file in the form<tr><td><a name="l238" href="#l238">238</a><td> * "goog.package.part".<tr><td><a name="l239" href="#l239">239</a><td> */<tr><td><a name="l240" href="#l240">240</a><td>goog.provide = function(name) {<tr><td><a name="l241" href="#l241">241</a><td> if (!COMPILED) {<tr><td><a name="l242" href="#l242">242</a><td> // Ensure that the same namespace isn't provided twice. This is intended<tr><td><a name="l243" href="#l243">243</a><td> // to teach new developers that 'goog.provide' is effectively a variable<tr><td><a name="l244" href="#l244">244</a><td> // declaration. And when JSCompiler transforms goog.provide into a real<tr><td><a name="l245" href="#l245">245</a><td> // variable declaration, the compiled JS should work the same as the raw<tr><td><a name="l246" href="#l246">246</a><td> // JS--even when the raw JS uses goog.provide incorrectly.<tr><td><a name="l247" href="#l247">247</a><td> if (goog.isProvided_(name)) {<tr><td><a name="l248" href="#l248">248</a><td> throw Error('Namespace "' + name + '" already declared.');<tr><td><a name="l249" href="#l249">249</a><td> }<tr><td><a name="l250" href="#l250">250</a><td> delete goog.implicitNamespaces_[name];<tr><td><a name="l251" href="#l251">251</a><td><tr><td><a name="l252" href="#l252">252</a><td> var namespace = name;<tr><td><a name="l253" href="#l253">253</a><td> while ((namespace = namespace.substring(0, namespace.lastIndexOf('.')))) {<tr><td><a name="l254" href="#l254">254</a><td> if (goog.getObjectByName(namespace)) {<tr><td><a name="l255" href="#l255">255</a><td> break;<tr><td><a name="l256" href="#l256">256</a><td> }<tr><td><a name="l257" href="#l257">257</a><td> goog.implicitNamespaces_[namespace] = true;<tr><td><a name="l258" href="#l258">258</a><td> }<tr><td><a name="l259" href="#l259">259</a><td> }<tr><td><a name="l260" href="#l260">260</a><td><tr><td><a name="l261" href="#l261">261</a><td> goog.exportPath_(name);<tr><td><a name="l262" href="#l262">262</a><td>};<tr><td><a name="l263" href="#l263">263</a><td><tr><td><a name="l264" href="#l264">264</a><td><tr><td><a name="l265" href="#l265">265</a><td>/**<tr><td><a name="l266" href="#l266">266</a><td> * Marks that the current file should only be used for testing, and never for<tr><td><a name="l267" href="#l267">267</a><td> * live code in production.<tr><td><a name="l268" href="#l268">268</a><td> *<tr><td><a name="l269" href="#l269">269</a><td> * In the case of unit tests, the message may optionally be an exact namespace<tr><td><a name="l270" href="#l270">270</a><td> * for the test (e.g. 'goog.stringTest'). The linter will then ignore the extra<tr><td><a name="l271" href="#l271">271</a><td> * provide (if not explicitly defined in the code).<tr><td><a name="l272" href="#l272">272</a><td> *<tr><td><a name="l273" href="#l273">273</a><td> * @param {string=} opt_message Optional message to add to the error that's<tr><td><a name="l274" href="#l274">274</a><td> * raised when used in production code.<tr><td><a name="l275" href="#l275">275</a><td> */<tr><td><a name="l276" href="#l276">276</a><td>goog.setTestOnly = function(opt_message) {<tr><td><a name="l277" href="#l277">277</a><td> if (COMPILED && !goog.DEBUG) {<tr><td><a name="l278" href="#l278">278</a><td> opt_message = opt_message || '';<tr><td><a name="l279" href="#l279">279</a><td> throw Error('Importing test-only code into non-debug environment' +<tr><td><a name="l280" href="#l280">280</a><td> opt_message ? ': ' + opt_message : '.');<tr><td><a name="l281" href="#l281">281</a><td> }<tr><td><a name="l282" href="#l282">282</a><td>};<tr><td><a name="l283" href="#l283">283</a><td><tr><td><a name="l284" href="#l284">284</a><td><tr><td><a name="l285" href="#l285">285</a><td>/**<tr><td><a name="l286" href="#l286">286</a><td> * Forward declares a symbol. This is an indication to the compiler that the<tr><td><a name="l287" href="#l287">287</a><td> * symbol may be used in the source yet is not required and may not be provided<tr><td><a name="l288" href="#l288">288</a><td> * in compilation.<tr><td><a name="l289" href="#l289">289</a><td> *<tr><td><a name="l290" href="#l290">290</a><td> * The most common usage of forward declaration is code that takes a type as a<tr><td><a name="l291" href="#l291">291</a><td> * function parameter but does not need to require it. By forward declaring<tr><td><a name="l292" href="#l292">292</a><td> * instead of requiring, no hard dependency is made, and (if not required<tr><td><a name="l293" href="#l293">293</a><td> * elsewhere) the namespace may never be required and thus, not be pulled<tr><td><a name="l294" href="#l294">294</a><td> * into the JavaScript binary. If it is required elsewhere, it will be type<tr><td><a name="l295" href="#l295">295</a><td> * checked as normal.<tr><td><a name="l296" href="#l296">296</a><td> *<tr><td><a name="l297" href="#l297">297</a><td> *<tr><td><a name="l298" href="#l298">298</a><td> * @param {string} name The namespace to forward declare in the form of<tr><td><a name="l299" href="#l299">299</a><td> * "goog.package.part".<tr><td><a name="l300" href="#l300">300</a><td> */<tr><td><a name="l301" href="#l301">301</a><td>goog.forwardDeclare = function(name) {};<tr><td><a name="l302" href="#l302">302</a><td><tr><td><a name="l303" href="#l303">303</a><td><tr><td><a name="l304" href="#l304">304</a><td>if (!COMPILED) {<tr><td><a name="l305" href="#l305">305</a><td><tr><td><a name="l306" href="#l306">306</a><td> /**<tr><td><a name="l307" href="#l307">307</a><td> * Check if the given name has been goog.provided. This will return false for<tr><td><a name="l308" href="#l308">308</a><td> * names that are available only as implicit namespaces.<tr><td><a name="l309" href="#l309">309</a><td> * @param {string} name name of the object to look for.<tr><td><a name="l310" href="#l310">310</a><td> * @return {boolean} Whether the name has been provided.<tr><td><a name="l311" href="#l311">311</a><td> * @private<tr><td><a name="l312" href="#l312">312</a><td> */<tr><td><a name="l313" href="#l313">313</a><td> goog.isProvided_ = function(name) {<tr><td><a name="l314" href="#l314">314</a><td> return !goog.implicitNamespaces_[name] &&<tr><td><a name="l315" href="#l315">315</a><td> goog.isDefAndNotNull(goog.getObjectByName(name));<tr><td><a name="l316" href="#l316">316</a><td> };<tr><td><a name="l317" href="#l317">317</a><td><tr><td><a name="l318" href="#l318">318</a><td> /**<tr><td><a name="l319" href="#l319">319</a><td> * Namespaces implicitly defined by goog.provide. For example,<tr><td><a name="l320" href="#l320">320</a><td> * goog.provide('goog.events.Event') implicitly declares that 'goog' and<tr><td><a name="l321" href="#l321">321</a><td> * 'goog.events' must be namespaces.<tr><td><a name="l322" href="#l322">322</a><td> *<tr><td><a name="l323" href="#l323">323</a><td> * @type {Object}<tr><td><a name="l324" href="#l324">324</a><td> * @private<tr><td><a name="l325" href="#l325">325</a><td> */<tr><td><a name="l326" href="#l326">326</a><td> goog.implicitNamespaces_ = {};<tr><td><a name="l327" href="#l327">327</a><td>}<tr><td><a name="l328" href="#l328">328</a><td><tr><td><a name="l329" href="#l329">329</a><td><tr><td><a name="l330" href="#l330">330</a><td>/**<tr><td><a name="l331" href="#l331">331</a><td> * Returns an object based on its fully qualified external name. The object<tr><td><a name="l332" href="#l332">332</a><td> * is not found if null or undefined. If you are using a compilation pass that<tr><td><a name="l333" href="#l333">333</a><td> * renames property names beware that using this function will not find renamed<tr><td><a name="l334" href="#l334">334</a><td> * properties.<tr><td><a name="l335" href="#l335">335</a><td> *<tr><td><a name="l336" href="#l336">336</a><td> * @param {string} name The fully qualified name.<tr><td><a name="l337" href="#l337">337</a><td> * @param {Object=} opt_obj The object within which to look; default is<tr><td><a name="l338" href="#l338">338</a><td> * |goog.global|.<tr><td><a name="l339" href="#l339">339</a><td> * @return {?} The value (object or primitive) or, if not found, null.<tr><td><a name="l340" href="#l340">340</a><td> */<tr><td><a name="l341" href="#l341">341</a><td>goog.getObjectByName = function(name, opt_obj) {<tr><td><a name="l342" href="#l342">342</a><td> var parts = name.split('.');<tr><td><a name="l343" href="#l343">343</a><td> var cur = opt_obj || goog.global;<tr><td><a name="l344" href="#l344">344</a><td> for (var part; part = parts.shift(); ) {<tr><td><a name="l345" href="#l345">345</a><td> if (goog.isDefAndNotNull(cur[part])) {<tr><td><a name="l346" href="#l346">346</a><td> cur = cur[part];<tr><td><a name="l347" href="#l347">347</a><td> } else {<tr><td><a name="l348" href="#l348">348</a><td> return null;<tr><td><a name="l349" href="#l349">349</a><td> }<tr><td><a name="l350" href="#l350">350</a><td> }<tr><td><a name="l351" href="#l351">351</a><td> return cur;<tr><td><a name="l352" href="#l352">352</a><td>};<tr><td><a name="l353" href="#l353">353</a><td><tr><td><a name="l354" href="#l354">354</a><td><tr><td><a name="l355" href="#l355">355</a><td>/**<tr><td><a name="l356" href="#l356">356</a><td> * Globalizes a whole namespace, such as goog or goog.lang.<tr><td><a name="l357" href="#l357">357</a><td> *<tr><td><a name="l358" href="#l358">358</a><td> * @param {Object} obj The namespace to globalize.<tr><td><a name="l359" href="#l359">359</a><td> * @param {Object=} opt_global The object to add the properties to.<tr><td><a name="l360" href="#l360">360</a><td> * @deprecated Properties may be explicitly exported to the global scope, but<tr><td><a name="l361" href="#l361">361</a><td> * this should no longer be done in bulk.<tr><td><a name="l362" href="#l362">362</a><td> */<tr><td><a name="l363" href="#l363">363</a><td>goog.globalize = function(obj, opt_global) {<tr><td><a name="l364" href="#l364">364</a><td> var global = opt_global || goog.global;<tr><td><a name="l365" href="#l365">365</a><td> for (var x in obj) {<tr><td><a name="l366" href="#l366">366</a><td> global[x] = obj[x];<tr><td><a name="l367" href="#l367">367</a><td> }<tr><td><a name="l368" href="#l368">368</a><td>};<tr><td><a name="l369" href="#l369">369</a><td><tr><td><a name="l370" href="#l370">370</a><td><tr><td><a name="l371" href="#l371">371</a><td>/**<tr><td><a name="l372" href="#l372">372</a><td> * Adds a dependency from a file to the files it requires.<tr><td><a name="l373" href="#l373">373</a><td> * @param {string} relPath The path to the js file.<tr><td><a name="l374" href="#l374">374</a><td> * @param {Array} provides An array of strings with the names of the objects<tr><td><a name="l375" href="#l375">375</a><td> * this file provides.<tr><td><a name="l376" href="#l376">376</a><td> * @param {Array} requires An array of strings with the names of the objects<tr><td><a name="l377" href="#l377">377</a><td> * this file requires.<tr><td><a name="l378" href="#l378">378</a><td> */<tr><td><a name="l379" href="#l379">379</a><td>goog.addDependency = function(relPath, provides, requires) {<tr><td><a name="l380" href="#l380">380</a><td> if (goog.DEPENDENCIES_ENABLED) {<tr><td><a name="l381" href="#l381">381</a><td> var provide, require;<tr><td><a name="l382" href="#l382">382</a><td> var path = relPath.replace(/\\/g, '/');<tr><td><a name="l383" href="#l383">383</a><td> var deps = goog.dependencies_;<tr><td><a name="l384" href="#l384">384</a><td> for (var i = 0; provide = provides[i]; i++) {<tr><td><a name="l385" href="#l385">385</a><td> deps.nameToPath[provide] = path;<tr><td><a name="l386" href="#l386">386</a><td> if (!(path in deps.pathToNames)) {<tr><td><a name="l387" href="#l387">387</a><td> deps.pathToNames[path] = {};<tr><td><a name="l388" href="#l388">388</a><td> }<tr><td><a name="l389" href="#l389">389</a><td> deps.pathToNames[path][provide] = true;<tr><td><a name="l390" href="#l390">390</a><td> }<tr><td><a name="l391" href="#l391">391</a><td> for (var j = 0; require = requires[j]; j++) {<tr><td><a name="l392" href="#l392">392</a><td> if (!(path in deps.requires)) {<tr><td><a name="l393" href="#l393">393</a><td> deps.requires[path] = {};<tr><td><a name="l394" href="#l394">394</a><td> }<tr><td><a name="l395" href="#l395">395</a><td> deps.requires[path][require] = true;<tr><td><a name="l396" href="#l396">396</a><td> }<tr><td><a name="l397" href="#l397">397</a><td> }<tr><td><a name="l398" href="#l398">398</a><td>};<tr><td><a name="l399" href="#l399">399</a><td><tr><td><a name="l400" href="#l400">400</a><td><tr><td><a name="l401" href="#l401">401</a><td><tr><td><a name="l402" href="#l402">402</a><td><tr><td><a name="l403" href="#l403">403</a><td>// NOTE(nnaze): The debug DOM loader was included in base.js as an original way<tr><td><a name="l404" href="#l404">404</a><td>// to do "debug-mode" development. The dependency system can sometimes be<tr><td><a name="l405" href="#l405">405</a><td>// confusing, as can the debug DOM loader's asynchronous nature.<tr><td><a name="l406" href="#l406">406</a><td>//<tr><td><a name="l407" href="#l407">407</a><td>// With the DOM loader, a call to goog.require() is not blocking -- the script<tr><td><a name="l408" href="#l408">408</a><td>// will not load until some point after the current script. If a namespace is<tr><td><a name="l409" href="#l409">409</a><td>// needed at runtime, it needs to be defined in a previous script, or loaded via<tr><td><a name="l410" href="#l410">410</a><td>// require() with its registered dependencies.<tr><td><a name="l411" href="#l411">411</a><td>// User-defined namespaces may need their own deps file. See http://go/js_deps,<tr><td><a name="l412" href="#l412">412</a><td>// http://go/genjsdeps, or, externally, DepsWriter.<tr><td><a name="l413" href="#l413">413</a><td>// http://code.google.com/closure/library/docs/depswriter.html<tr><td><a name="l414" href="#l414">414</a><td>//<tr><td><a name="l415" href="#l415">415</a><td>// Because of legacy clients, the DOM loader can't be easily removed from<tr><td><a name="l416" href="#l416">416</a><td>// base.js. Work is being done to make it disableable or replaceable for<tr><td><a name="l417" href="#l417">417</a><td>// different environments (DOM-less JavaScript interpreters like Rhino or V8,<tr><td><a name="l418" href="#l418">418</a><td>// for example). See bootstrap/ for more information.<tr><td><a name="l419" href="#l419">419</a><td><tr><td><a name="l420" href="#l420">420</a><td><tr><td><a name="l421" href="#l421">421</a><td>/**<tr><td><a name="l422" href="#l422">422</a><td> * @define {boolean} Whether to enable the debug loader.<tr><td><a name="l423" href="#l423">423</a><td> *<tr><td><a name="l424" href="#l424">424</a><td> * If enabled, a call to goog.require() will attempt to load the namespace by<tr><td><a name="l425" href="#l425">425</a><td> * appending a script tag to the DOM (if the namespace has been registered).<tr><td><a name="l426" href="#l426">426</a><td> *<tr><td><a name="l427" href="#l427">427</a><td> * If disabled, goog.require() will simply assert that the namespace has been<tr><td><a name="l428" href="#l428">428</a><td> * provided (and depend on the fact that some outside tool correctly ordered<tr><td><a name="l429" href="#l429">429</a><td> * the script).<tr><td><a name="l430" href="#l430">430</a><td> */<tr><td><a name="l431" href="#l431">431</a><td>goog.define('goog.ENABLE_DEBUG_LOADER', true);<tr><td><a name="l432" href="#l432">432</a><td><tr><td><a name="l433" href="#l433">433</a><td><tr><td><a name="l434" href="#l434">434</a><td>/**<tr><td><a name="l435" href="#l435">435</a><td> * Implements a system for the dynamic resolution of dependencies that works in<tr><td><a name="l436" href="#l436">436</a><td> * parallel with the BUILD system. Note that all calls to goog.require will be<tr><td><a name="l437" href="#l437">437</a><td> * stripped by the JSCompiler when the --closure_pass option is used.<tr><td><a name="l438" href="#l438">438</a><td> * @see goog.provide<tr><td><a name="l439" href="#l439">439</a><td> * @param {string} name Namespace to include (as was given in goog.provide()) in<tr><td><a name="l440" href="#l440">440</a><td> * the form "goog.package.part".<tr><td><a name="l441" href="#l441">441</a><td> */<tr><td><a name="l442" href="#l442">442</a><td>goog.require = function(name) {<tr><td><a name="l443" href="#l443">443</a><td><tr><td><a name="l444" href="#l444">444</a><td> // If the object already exists we do not need do do anything.<tr><td><a name="l445" href="#l445">445</a><td> // TODO(arv): If we start to support require based on file name this has to<tr><td><a name="l446" href="#l446">446</a><td> // change.<tr><td><a name="l447" href="#l447">447</a><td> // TODO(arv): If we allow goog.foo.* this has to change.<tr><td><a name="l448" href="#l448">448</a><td> // TODO(arv): If we implement dynamic load after page load we should probably<tr><td><a name="l449" href="#l449">449</a><td> // not remove this code for the compiled output.<tr><td><a name="l450" href="#l450">450</a><td> if (!COMPILED) {<tr><td><a name="l451" href="#l451">451</a><td> if (goog.isProvided_(name)) {<tr><td><a name="l452" href="#l452">452</a><td> return;<tr><td><a name="l453" href="#l453">453</a><td> }<tr><td><a name="l454" href="#l454">454</a><td><tr><td><a name="l455" href="#l455">455</a><td> if (goog.ENABLE_DEBUG_LOADER) {<tr><td><a name="l456" href="#l456">456</a><td> var path = goog.getPathFromDeps_(name);<tr><td><a name="l457" href="#l457">457</a><td> if (path) {<tr><td><a name="l458" href="#l458">458</a><td> goog.included_[path] = true;<tr><td><a name="l459" href="#l459">459</a><td> goog.writeScripts_();<tr><td><a name="l460" href="#l460">460</a><td> return;<tr><td><a name="l461" href="#l461">461</a><td> }<tr><td><a name="l462" href="#l462">462</a><td> }<tr><td><a name="l463" href="#l463">463</a><td><tr><td><a name="l464" href="#l464">464</a><td> var errorMessage = 'goog.require could not find: ' + name;<tr><td><a name="l465" href="#l465">465</a><td> if (goog.global.console) {<tr><td><a name="l466" href="#l466">466</a><td> goog.global.console['error'](errorMessage);<tr><td><a name="l467" href="#l467">467</a><td> }<tr><td><a name="l468" href="#l468">468</a><td><tr><td><a name="l469" href="#l469">469</a><td><tr><td><a name="l470" href="#l470">470</a><td> throw Error(errorMessage);<tr><td><a name="l471" href="#l471">471</a><td><tr><td><a name="l472" href="#l472">472</a><td> }<tr><td><a name="l473" href="#l473">473</a><td>};<tr><td><a name="l474" href="#l474">474</a><td><tr><td><a name="l475" href="#l475">475</a><td><tr><td><a name="l476" href="#l476">476</a><td>/**<tr><td><a name="l477" href="#l477">477</a><td> * Path for included scripts.<tr><td><a name="l478" href="#l478">478</a><td> * @type {string}<tr><td><a name="l479" href="#l479">479</a><td> */<tr><td><a name="l480" href="#l480">480</a><td>goog.basePath = '';<tr><td><a name="l481" href="#l481">481</a><td><tr><td><a name="l482" href="#l482">482</a><td><tr><td><a name="l483" href="#l483">483</a><td>/**<tr><td><a name="l484" href="#l484">484</a><td> * A hook for overriding the base path.<tr><td><a name="l485" href="#l485">485</a><td> * @type {string|undefined}<tr><td><a name="l486" href="#l486">486</a><td> */<tr><td><a name="l487" href="#l487">487</a><td>goog.global.CLOSURE_BASE_PATH;<tr><td><a name="l488" href="#l488">488</a><td><tr><td><a name="l489" href="#l489">489</a><td><tr><td><a name="l490" href="#l490">490</a><td>/**<tr><td><a name="l491" href="#l491">491</a><td> * Whether to write out Closure's deps file. By default, the deps are written.<tr><td><a name="l492" href="#l492">492</a><td> * @type {boolean|undefined}<tr><td><a name="l493" href="#l493">493</a><td> */<tr><td><a name="l494" href="#l494">494</a><td>goog.global.CLOSURE_NO_DEPS;<tr><td><a name="l495" href="#l495">495</a><td><tr><td><a name="l496" href="#l496">496</a><td><tr><td><a name="l497" href="#l497">497</a><td>/**<tr><td><a name="l498" href="#l498">498</a><td> * A function to import a single script. This is meant to be overridden when<tr><td><a name="l499" href="#l499">499</a><td> * Closure is being run in non-HTML contexts, such as web workers. It's defined<tr><td><a name="l500" href="#l500">500</a><td> * in the global scope so that it can be set before base.js is loaded, which<tr><td><a name="l501" href="#l501">501</a><td> * allows deps.js to be imported properly.<tr><td><a name="l502" href="#l502">502</a><td> *<tr><td><a name="l503" href="#l503">503</a><td> * The function is passed the script source, which is a relative URI. It should<tr><td><a name="l504" href="#l504">504</a><td> * return true if the script was imported, false otherwise.<tr><td><a name="l505" href="#l505">505</a><td> * @type {(function(string): boolean)|undefined}<tr><td><a name="l506" href="#l506">506</a><td> */<tr><td><a name="l507" href="#l507">507</a><td>goog.global.CLOSURE_IMPORT_SCRIPT;<tr><td><a name="l508" href="#l508">508</a><td><tr><td><a name="l509" href="#l509">509</a><td><tr><td><a name="l510" href="#l510">510</a><td>/**<tr><td><a name="l511" href="#l511">511</a><td> * Null function used for default values of callbacks, etc.<tr><td><a name="l512" href="#l512">512</a><td> * @return {void} Nothing.<tr><td><a name="l513" href="#l513">513</a><td> */<tr><td><a name="l514" href="#l514">514</a><td>goog.nullFunction = function() {};<tr><td><a name="l515" href="#l515">515</a><td><tr><td><a name="l516" href="#l516">516</a><td><tr><td><a name="l517" href="#l517">517</a><td>/**<tr><td><a name="l518" href="#l518">518</a><td> * The identity function. Returns its first argument.<tr><td><a name="l519" href="#l519">519</a><td> *<tr><td><a name="l520" href="#l520">520</a><td> * @param {*=} opt_returnValue The single value that will be returned.<tr><td><a name="l521" href="#l521">521</a><td> * @param {...*} var_args Optional trailing arguments. These are ignored.<tr><td><a name="l522" href="#l522">522</a><td> * @return {?} The first argument. We can't know the type -- just pass it along<tr><td><a name="l523" href="#l523">523</a><td> * without type.<tr><td><a name="l524" href="#l524">524</a><td> * @deprecated Use goog.functions.identity instead.<tr><td><a name="l525" href="#l525">525</a><td> */<tr><td><a name="l526" href="#l526">526</a><td>goog.identityFunction = function(opt_returnValue, var_args) {<tr><td><a name="l527" href="#l527">527</a><td> return opt_returnValue;<tr><td><a name="l528" href="#l528">528</a><td>};<tr><td><a name="l529" href="#l529">529</a><td><tr><td><a name="l530" href="#l530">530</a><td><tr><td><a name="l531" href="#l531">531</a><td>/**<tr><td><a name="l532" href="#l532">532</a><td> * When defining a class Foo with an abstract method bar(), you can do:<tr><td><a name="l533" href="#l533">533</a><td> * Foo.prototype.bar = goog.abstractMethod<tr><td><a name="l534" href="#l534">534</a><td> *<tr><td><a name="l535" href="#l535">535</a><td> * Now if a subclass of Foo fails to override bar(), an error will be thrown<tr><td><a name="l536" href="#l536">536</a><td> * when bar() is invoked.<tr><td><a name="l537" href="#l537">537</a><td> *<tr><td><a name="l538" href="#l538">538</a><td> * Note: This does not take the name of the function to override as an argument<tr><td><a name="l539" href="#l539">539</a><td> * because that would make it more difficult to obfuscate our JavaScript code.<tr><td><a name="l540" href="#l540">540</a><td> *<tr><td><a name="l541" href="#l541">541</a><td> * @type {!Function}<tr><td><a name="l542" href="#l542">542</a><td> * @throws {Error} when invoked to indicate the method should be overridden.<tr><td><a name="l543" href="#l543">543</a><td> */<tr><td><a name="l544" href="#l544">544</a><td>goog.abstractMethod = function() {<tr><td><a name="l545" href="#l545">545</a><td> throw Error('unimplemented abstract method');<tr><td><a name="l546" href="#l546">546</a><td>};<tr><td><a name="l547" href="#l547">547</a><td><tr><td><a name="l548" href="#l548">548</a><td><tr><td><a name="l549" href="#l549">549</a><td>/**<tr><td><a name="l550" href="#l550">550</a><td> * Adds a {@code getInstance} static method that always returns the same<tr><td><a name="l551" href="#l551">551</a><td> * instance object.<tr><td><a name="l552" href="#l552">552</a><td> * @param {!Function} ctor The constructor for the class to add the static<tr><td><a name="l553" href="#l553">553</a><td> * method to.<tr><td><a name="l554" href="#l554">554</a><td> */<tr><td><a name="l555" href="#l555">555</a><td>goog.addSingletonGetter = function(ctor) {<tr><td><a name="l556" href="#l556">556</a><td> ctor.getInstance = function() {<tr><td><a name="l557" href="#l557">557</a><td> if (ctor.instance_) {<tr><td><a name="l558" href="#l558">558</a><td> return ctor.instance_;<tr><td><a name="l559" href="#l559">559</a><td> }<tr><td><a name="l560" href="#l560">560</a><td> if (goog.DEBUG) {<tr><td><a name="l561" href="#l561">561</a><td> // NOTE: JSCompiler can't optimize away Array#push.<tr><td><a name="l562" href="#l562">562</a><td> goog.instantiatedSingletons_[goog.instantiatedSingletons_.length] = ctor;<tr><td><a name="l563" href="#l563">563</a><td> }<tr><td><a name="l564" href="#l564">564</a><td> return ctor.instance_ = new ctor;<tr><td><a name="l565" href="#l565">565</a><td> };<tr><td><a name="l566" href="#l566">566</a><td>};<tr><td><a name="l567" href="#l567">567</a><td><tr><td><a name="l568" href="#l568">568</a><td><tr><td><a name="l569" href="#l569">569</a><td>/**<tr><td><a name="l570" href="#l570">570</a><td> * All singleton classes that have been instantiated, for testing. Don't read<tr><td><a name="l571" href="#l571">571</a><td> * it directly, use the {@code goog.testing.singleton} module. The compiler<tr><td><a name="l572" href="#l572">572</a><td> * removes this variable if unused.<tr><td><a name="l573" href="#l573">573</a><td> * @type {!Array.<!Function>}<tr><td><a name="l574" href="#l574">574</a><td> * @private<tr><td><a name="l575" href="#l575">575</a><td> */<tr><td><a name="l576" href="#l576">576</a><td>goog.instantiatedSingletons_ = [];<tr><td><a name="l577" href="#l577">577</a><td><tr><td><a name="l578" href="#l578">578</a><td><tr><td><a name="l579" href="#l579">579</a><td>/**<tr><td><a name="l580" href="#l580">580</a><td> * True if goog.dependencies_ is available.<tr><td><a name="l581" href="#l581">581</a><td> * @const {boolean}<tr><td><a name="l582" href="#l582">582</a><td> */<tr><td><a name="l583" href="#l583">583</a><td>goog.DEPENDENCIES_ENABLED = !COMPILED && goog.ENABLE_DEBUG_LOADER;<tr><td><a name="l584" href="#l584">584</a><td><tr><td><a name="l585" href="#l585">585</a><td><tr><td><a name="l586" href="#l586">586</a><td>if (goog.DEPENDENCIES_ENABLED) {<tr><td><a name="l587" href="#l587">587</a><td> /**<tr><td><a name="l588" href="#l588">588</a><td> * Object used to keep track of urls that have already been added. This record<tr><td><a name="l589" href="#l589">589</a><td> * allows the prevention of circular dependencies.<tr><td><a name="l590" href="#l590">590</a><td> * @type {Object}<tr><td><a name="l591" href="#l591">591</a><td> * @private<tr><td><a name="l592" href="#l592">592</a><td> */<tr><td><a name="l593" href="#l593">593</a><td> goog.included_ = {};<tr><td><a name="l594" href="#l594">594</a><td><tr><td><a name="l595" href="#l595">595</a><td><tr><td><a name="l596" href="#l596">596</a><td> /**<tr><td><a name="l597" href="#l597">597</a><td> * This object is used to keep track of dependencies and other data that is<tr><td><a name="l598" href="#l598">598</a><td> * used for loading scripts.<tr><td><a name="l599" href="#l599">599</a><td> * @private<tr><td><a name="l600" href="#l600">600</a><td> * @type {Object}<tr><td><a name="l601" href="#l601">601</a><td> */<tr><td><a name="l602" href="#l602">602</a><td> goog.dependencies_ = {<tr><td><a name="l603" href="#l603">603</a><td> pathToNames: {}, // 1 to many<tr><td><a name="l604" href="#l604">604</a><td> nameToPath: {}, // 1 to 1<tr><td><a name="l605" href="#l605">605</a><td> requires: {}, // 1 to many<tr><td><a name="l606" href="#l606">606</a><td> // Used when resolving dependencies to prevent us from visiting file twice.<tr><td><a name="l607" href="#l607">607</a><td> visited: {},<tr><td><a name="l608" href="#l608">608</a><td> written: {} // Used to keep track of script files we have written.<tr><td><a name="l609" href="#l609">609</a><td> };<tr><td><a name="l610" href="#l610">610</a><td><tr><td><a name="l611" href="#l611">611</a><td><tr><td><a name="l612" href="#l612">612</a><td> /**<tr><td><a name="l613" href="#l613">613</a><td> * Tries to detect whether is in the context of an HTML document.<tr><td><a name="l614" href="#l614">614</a><td> * @return {boolean} True if it looks like HTML document.<tr><td><a name="l615" href="#l615">615</a><td> * @private<tr><td><a name="l616" href="#l616">616</a><td> */<tr><td><a name="l617" href="#l617">617</a><td> goog.inHtmlDocument_ = function() {<tr><td><a name="l618" href="#l618">618</a><td> var doc = goog.global.document;<tr><td><a name="l619" href="#l619">619</a><td> return typeof doc != 'undefined' &&<tr><td><a name="l620" href="#l620">620</a><td> 'write' in doc; // XULDocument misses write.<tr><td><a name="l621" href="#l621">621</a><td> };<tr><td><a name="l622" href="#l622">622</a><td><tr><td><a name="l623" href="#l623">623</a><td><tr><td><a name="l624" href="#l624">624</a><td> /**<tr><td><a name="l625" href="#l625">625</a><td> * Tries to detect the base path of base.js script that bootstraps Closure.<tr><td><a name="l626" href="#l626">626</a><td> * @private<tr><td><a name="l627" href="#l627">627</a><td> */<tr><td><a name="l628" href="#l628">628</a><td> goog.findBasePath_ = function() {<tr><td><a name="l629" href="#l629">629</a><td> if (goog.global.CLOSURE_BASE_PATH) {<tr><td><a name="l630" href="#l630">630</a><td> goog.basePath = goog.global.CLOSURE_BASE_PATH;<tr><td><a name="l631" href="#l631">631</a><td> return;<tr><td><a name="l632" href="#l632">632</a><td> } else if (!goog.inHtmlDocument_()) {<tr><td><a name="l633" href="#l633">633</a><td> return;<tr><td><a name="l634" href="#l634">634</a><td> }<tr><td><a name="l635" href="#l635">635</a><td> var doc = goog.global.document;<tr><td><a name="l636" href="#l636">636</a><td> var scripts = doc.getElementsByTagName('script');<tr><td><a name="l637" href="#l637">637</a><td> // Search backwards since the current script is in almost all cases the one<tr><td><a name="l638" href="#l638">638</a><td> // that has base.js.<tr><td><a name="l639" href="#l639">639</a><td> for (var i = scripts.length - 1; i >= 0; --i) {<tr><td><a name="l640" href="#l640">640</a><td> var src = scripts[i].src;<tr><td><a name="l641" href="#l641">641</a><td> var qmark = src.lastIndexOf('?');<tr><td><a name="l642" href="#l642">642</a><td> var l = qmark == -1 ? src.length : qmark;<tr><td><a name="l643" href="#l643">643</a><td> if (src.substr(l - 7, 7) == 'base.js') {<tr><td><a name="l644" href="#l644">644</a><td> goog.basePath = src.substr(0, l - 7);<tr><td><a name="l645" href="#l645">645</a><td> return;<tr><td><a name="l646" href="#l646">646</a><td> }<tr><td><a name="l647" href="#l647">647</a><td> }<tr><td><a name="l648" href="#l648">648</a><td> };<tr><td><a name="l649" href="#l649">649</a><td><tr><td><a name="l650" href="#l650">650</a><td><tr><td><a name="l651" href="#l651">651</a><td> /**<tr><td><a name="l652" href="#l652">652</a><td> * Imports a script if, and only if, that script hasn't already been imported.<tr><td><a name="l653" href="#l653">653</a><td> * (Must be called at execution time)<tr><td><a name="l654" href="#l654">654</a><td> * @param {string} src Script source.<tr><td><a name="l655" href="#l655">655</a><td> * @private<tr><td><a name="l656" href="#l656">656</a><td> */<tr><td><a name="l657" href="#l657">657</a><td> goog.importScript_ = function(src) {<tr><td><a name="l658" href="#l658">658</a><td> var importScript = goog.global.CLOSURE_IMPORT_SCRIPT ||<tr><td><a name="l659" href="#l659">659</a><td> goog.writeScriptTag_;<tr><td><a name="l660" href="#l660">660</a><td> if (!goog.dependencies_.written[src] && importScript(src)) {<tr><td><a name="l661" href="#l661">661</a><td> goog.dependencies_.written[src] = true;<tr><td><a name="l662" href="#l662">662</a><td> }<tr><td><a name="l663" href="#l663">663</a><td> };<tr><td><a name="l664" href="#l664">664</a><td><tr><td><a name="l665" href="#l665">665</a><td><tr><td><a name="l666" href="#l666">666</a><td> /**<tr><td><a name="l667" href="#l667">667</a><td> * The default implementation of the import function. Writes a script tag to<tr><td><a name="l668" href="#l668">668</a><td> * import the script.<tr><td><a name="l669" href="#l669">669</a><td> *<tr><td><a name="l670" href="#l670">670</a><td> * @param {string} src The script source.<tr><td><a name="l671" href="#l671">671</a><td> * @return {boolean} True if the script was imported, false otherwise.<tr><td><a name="l672" href="#l672">672</a><td> * @private<tr><td><a name="l673" href="#l673">673</a><td> */<tr><td><a name="l674" href="#l674">674</a><td> goog.writeScriptTag_ = function(src) {<tr><td><a name="l675" href="#l675">675</a><td> if (goog.inHtmlDocument_()) {<tr><td><a name="l676" href="#l676">676</a><td> var doc = goog.global.document;<tr><td><a name="l677" href="#l677">677</a><td><tr><td><a name="l678" href="#l678">678</a><td> // If the user tries to require a new symbol after document load,<tr><td><a name="l679" href="#l679">679</a><td> // something has gone terribly wrong. Doing a document.write would<tr><td><a name="l680" href="#l680">680</a><td> // wipe out the page.<tr><td><a name="l681" href="#l681">681</a><td> if (doc.readyState == 'complete') {<tr><td><a name="l682" href="#l682">682</a><td> // Certain test frameworks load base.js multiple times, which tries<tr><td><a name="l683" href="#l683">683</a><td> // to write deps.js each time. If that happens, just fail silently.<tr><td><a name="l684" href="#l684">684</a><td> // These frameworks wipe the page between each load of base.js, so this<tr><td><a name="l685" href="#l685">685</a><td> // is OK.<tr><td><a name="l686" href="#l686">686</a><td> var isDeps = /\bdeps.js$/.test(src);<tr><td><a name="l687" href="#l687">687</a><td> if (isDeps) {<tr><td><a name="l688" href="#l688">688</a><td> return false;<tr><td><a name="l689" href="#l689">689</a><td> } else {<tr><td><a name="l690" href="#l690">690</a><td> throw Error('Cannot write "' + src + '" after document load');<tr><td><a name="l691" href="#l691">691</a><td> }<tr><td><a name="l692" href="#l692">692</a><td> }<tr><td><a name="l693" href="#l693">693</a><td><tr><td><a name="l694" href="#l694">694</a><td> doc.write(<tr><td><a name="l695" href="#l695">695</a><td> '<script type="text/javascript" src="' + src + '"></' + 'script>');<tr><td><a name="l696" href="#l696">696</a><td> return true;<tr><td><a name="l697" href="#l697">697</a><td> } else {<tr><td><a name="l698" href="#l698">698</a><td> return false;<tr><td><a name="l699" href="#l699">699</a><td> }<tr><td><a name="l700" href="#l700">700</a><td> };<tr><td><a name="l701" href="#l701">701</a><td><tr><td><a name="l702" href="#l702">702</a><td><tr><td><a name="l703" href="#l703">703</a><td> /**<tr><td><a name="l704" href="#l704">704</a><td> * Resolves dependencies based on the dependencies added using addDependency<tr><td><a name="l705" href="#l705">705</a><td> * and calls importScript_ in the correct order.<tr><td><a name="l706" href="#l706">706</a><td> * @private<tr><td><a name="l707" href="#l707">707</a><td> */<tr><td><a name="l708" href="#l708">708</a><td> goog.writeScripts_ = function() {<tr><td><a name="l709" href="#l709">709</a><td> // The scripts we need to write this time.<tr><td><a name="l710" href="#l710">710</a><td> var scripts = [];<tr><td><a name="l711" href="#l711">711</a><td> var seenScript = {};<tr><td><a name="l712" href="#l712">712</a><td> var deps = goog.dependencies_;<tr><td><a name="l713" href="#l713">713</a><td><tr><td><a name="l714" href="#l714">714</a><td> function visitNode(path) {<tr><td><a name="l715" href="#l715">715</a><td> if (path in deps.written) {<tr><td><a name="l716" href="#l716">716</a><td> return;<tr><td><a name="l717" href="#l717">717</a><td> }<tr><td><a name="l718" href="#l718">718</a><td><tr><td><a name="l719" href="#l719">719</a><td> // We have already visited this one. We can get here if we have cyclic<tr><td><a name="l720" href="#l720">720</a><td> // dependencies.<tr><td><a name="l721" href="#l721">721</a><td> if (path in deps.visited) {<tr><td><a name="l722" href="#l722">722</a><td> if (!(path in seenScript)) {<tr><td><a name="l723" href="#l723">723</a><td> seenScript[path] = true;<tr><td><a name="l724" href="#l724">724</a><td> scripts.push(path);<tr><td><a name="l725" href="#l725">725</a><td> }<tr><td><a name="l726" href="#l726">726</a><td> return;<tr><td><a name="l727" href="#l727">727</a><td> }<tr><td><a name="l728" href="#l728">728</a><td><tr><td><a name="l729" href="#l729">729</a><td> deps.visited[path] = true;<tr><td><a name="l730" href="#l730">730</a><td><tr><td><a name="l731" href="#l731">731</a><td> if (path in deps.requires) {<tr><td><a name="l732" href="#l732">732</a><td> for (var requireName in deps.requires[path]) {<tr><td><a name="l733" href="#l733">733</a><td> // If the required name is defined, we assume that it was already<tr><td><a name="l734" href="#l734">734</a><td> // bootstrapped by other means.<tr><td><a name="l735" href="#l735">735</a><td> if (!goog.isProvided_(requireName)) {<tr><td><a name="l736" href="#l736">736</a><td> if (requireName in deps.nameToPath) {<tr><td><a name="l737" href="#l737">737</a><td> visitNode(deps.nameToPath[requireName]);<tr><td><a name="l738" href="#l738">738</a><td> } else {<tr><td><a name="l739" href="#l739">739</a><td> throw Error('Undefined nameToPath for ' + requireName);<tr><td><a name="l740" href="#l740">740</a><td> }<tr><td><a name="l741" href="#l741">741</a><td> }<tr><td><a name="l742" href="#l742">742</a><td> }<tr><td><a name="l743" href="#l743">743</a><td> }<tr><td><a name="l744" href="#l744">744</a><td><tr><td><a name="l745" href="#l745">745</a><td> if (!(path in seenScript)) {<tr><td><a name="l746" href="#l746">746</a><td> seenScript[path] = true;<tr><td><a name="l747" href="#l747">747</a><td> scripts.push(path);<tr><td><a name="l748" href="#l748">748</a><td> }<tr><td><a name="l749" href="#l749">749</a><td> }<tr><td><a name="l750" href="#l750">750</a><td><tr><td><a name="l751" href="#l751">751</a><td> for (var path in goog.included_) {<tr><td><a name="l752" href="#l752">752</a><td> if (!deps.written[path]) {<tr><td><a name="l753" href="#l753">753</a><td> visitNode(path);<tr><td><a name="l754" href="#l754">754</a><td> }<tr><td><a name="l755" href="#l755">755</a><td> }<tr><td><a name="l756" href="#l756">756</a><td><tr><td><a name="l757" href="#l757">757</a><td> for (var i = 0; i < scripts.length; i++) {<tr><td><a name="l758" href="#l758">758</a><td> if (scripts[i]) {<tr><td><a name="l759" href="#l759">759</a><td> goog.importScript_(goog.basePath + scripts[i]);<tr><td><a name="l760" href="#l760">760</a><td> } else {<tr><td><a name="l761" href="#l761">761</a><td> throw Error('Undefined script input');<tr><td><a name="l762" href="#l762">762</a><td> }<tr><td><a name="l763" href="#l763">763</a><td> }<tr><td><a name="l764" href="#l764">764</a><td> };<tr><td><a name="l765" href="#l765">765</a><td><tr><td><a name="l766" href="#l766">766</a><td><tr><td><a name="l767" href="#l767">767</a><td> /**<tr><td><a name="l768" href="#l768">768</a><td> * Looks at the dependency rules and tries to determine the script file that<tr><td><a name="l769" href="#l769">769</a><td> * fulfills a particular rule.<tr><td><a name="l770" href="#l770">770</a><td> * @param {string} rule In the form goog.namespace.Class or project.script.<tr><td><a name="l771" href="#l771">771</a><td> * @return {?string} Url corresponding to the rule, or null.<tr><td><a name="l772" href="#l772">772</a><td> * @private<tr><td><a name="l773" href="#l773">773</a><td> */<tr><td><a name="l774" href="#l774">774</a><td> goog.getPathFromDeps_ = function(rule) {<tr><td><a name="l775" href="#l775">775</a><td> if (rule in goog.dependencies_.nameToPath) {<tr><td><a name="l776" href="#l776">776</a><td> return goog.dependencies_.nameToPath[rule];<tr><td><a name="l777" href="#l777">777</a><td> } else {<tr><td><a name="l778" href="#l778">778</a><td> return null;<tr><td><a name="l779" href="#l779">779</a><td> }<tr><td><a name="l780" href="#l780">780</a><td> };<tr><td><a name="l781" href="#l781">781</a><td><tr><td><a name="l782" href="#l782">782</a><td> goog.findBasePath_();<tr><td><a name="l783" href="#l783">783</a><td><tr><td><a name="l784" href="#l784">784</a><td> // Allow projects to manage the deps files themselves.<tr><td><a name="l785" href="#l785">785</a><td> if (!goog.global.CLOSURE_NO_DEPS) {<tr><td><a name="l786" href="#l786">786</a><td> goog.importScript_(goog.basePath + 'deps.js');<tr><td><a name="l787" href="#l787">787</a><td> }<tr><td><a name="l788" href="#l788">788</a><td>}<tr><td><a name="l789" href="#l789">789</a><td><tr><td><a name="l790" href="#l790">790</a><td><tr><td><a name="l791" href="#l791">791</a><td><tr><td><a name="l792" href="#l792">792</a><td>//==============================================================================<tr><td><a name="l793" href="#l793">793</a><td>// Language Enhancements<tr><td><a name="l794" href="#l794">794</a><td>//==============================================================================<tr><td><a name="l795" href="#l795">795</a><td><tr><td><a name="l796" href="#l796">796</a><td><tr><td><a name="l797" href="#l797">797</a><td>/**<tr><td><a name="l798" href="#l798">798</a><td> * This is a "fixed" version of the typeof operator. It differs from the typeof<tr><td><a name="l799" href="#l799">799</a><td> * operator in such a way that null returns 'null' and arrays return 'array'.<tr><td><a name="l800" href="#l800">800</a><td> * @param {*} value The value to get the type of.<tr><td><a name="l801" href="#l801">801</a><td> * @return {string} The name of the type.<tr><td><a name="l802" href="#l802">802</a><td> */<tr><td><a name="l803" href="#l803">803</a><td>goog.typeOf = function(value) {<tr><td><a name="l804" href="#l804">804</a><td> var s = typeof value;<tr><td><a name="l805" href="#l805">805</a><td> if (s == 'object') {<tr><td><a name="l806" href="#l806">806</a><td> if (value) {<tr><td><a name="l807" href="#l807">807</a><td> // Check these first, so we can avoid calling Object.prototype.toString if<tr><td><a name="l808" href="#l808">808</a><td> // possible.<tr><td><a name="l809" href="#l809">809</a><td> //<tr><td><a name="l810" href="#l810">810</a><td> // IE improperly marshals tyepof across execution contexts, but a<tr><td><a name="l811" href="#l811">811</a><td> // cross-context object will still return false for "instanceof Object".<tr><td><a name="l812" href="#l812">812</a><td> if (value instanceof Array) {<tr><td><a name="l813" href="#l813">813</a><td> return 'array';<tr><td><a name="l814" href="#l814">814</a><td> } else if (value instanceof Object) {<tr><td><a name="l815" href="#l815">815</a><td> return s;<tr><td><a name="l816" href="#l816">816</a><td> }<tr><td><a name="l817" href="#l817">817</a><td><tr><td><a name="l818" href="#l818">818</a><td> // HACK: In order to use an Object prototype method on the arbitrary<tr><td><a name="l819" href="#l819">819</a><td> // value, the compiler requires the value be cast to type Object,<tr><td><a name="l820" href="#l820">820</a><td> // even though the ECMA spec explicitly allows it.<tr><td><a name="l821" href="#l821">821</a><td> var className = Object.prototype.toString.call(<tr><td><a name="l822" href="#l822">822</a><td> /** @type {Object} */ (value));<tr><td><a name="l823" href="#l823">823</a><td> // In Firefox 3.6, attempting to access iframe window objects' length<tr><td><a name="l824" href="#l824">824</a><td> // property throws an NS_ERROR_FAILURE, so we need to special-case it<tr><td><a name="l825" href="#l825">825</a><td> // here.<tr><td><a name="l826" href="#l826">826</a><td> if (className == '[object Window]') {<tr><td><a name="l827" href="#l827">827</a><td> return 'object';<tr><td><a name="l828" href="#l828">828</a><td> }<tr><td><a name="l829" href="#l829">829</a><td><tr><td><a name="l830" href="#l830">830</a><td> // We cannot always use constructor == Array or instanceof Array because<tr><td><a name="l831" href="#l831">831</a><td> // different frames have different Array objects. In IE6, if the iframe<tr><td><a name="l832" href="#l832">832</a><td> // where the array was created is destroyed, the array loses its<tr><td><a name="l833" href="#l833">833</a><td> // prototype. Then dereferencing val.splice here throws an exception, so<tr><td><a name="l834" href="#l834">834</a><td> // we can't use goog.isFunction. Calling typeof directly returns 'unknown'<tr><td><a name="l835" href="#l835">835</a><td> // so that will work. In this case, this function will return false and<tr><td><a name="l836" href="#l836">836</a><td> // most array functions will still work because the array is still<tr><td><a name="l837" href="#l837">837</a><td> // array-like (supports length and []) even though it has lost its<tr><td><a name="l838" href="#l838">838</a><td> // prototype.<tr><td><a name="l839" href="#l839">839</a><td> // Mark Miller noticed that Object.prototype.toString<tr><td><a name="l840" href="#l840">840</a><td> // allows access to the unforgeable [[Class]] property.<tr><td><a name="l841" href="#l841">841</a><td> // 15.2.4.2 Object.prototype.toString ( )<tr><td><a name="l842" href="#l842">842</a><td> // When the toString method is called, the following steps are taken:<tr><td><a name="l843" href="#l843">843</a><td> // 1. Get the [[Class]] property of this object.<tr><td><a name="l844" href="#l844">844</a><td> // 2. Compute a string value by concatenating the three strings<tr><td><a name="l845" href="#l845">845</a><td> // "[object ", Result(1), and "]".<tr><td><a name="l846" href="#l846">846</a><td> // 3. Return Result(2).<tr><td><a name="l847" href="#l847">847</a><td> // and this behavior survives the destruction of the execution context.<tr><td><a name="l848" href="#l848">848</a><td> if ((className == '[object Array]' ||<tr><td><a name="l849" href="#l849">849</a><td> // In IE all non value types are wrapped as objects across window<tr><td><a name="l850" href="#l850">850</a><td> // boundaries (not iframe though) so we have to do object detection<tr><td><a name="l851" href="#l851">851</a><td> // for this edge case.<tr><td><a name="l852" href="#l852">852</a><td> typeof value.length == 'number' &&<tr><td><a name="l853" href="#l853">853</a><td> typeof value.splice != 'undefined' &&<tr><td><a name="l854" href="#l854">854</a><td> typeof value.propertyIsEnumerable != 'undefined' &&<tr><td><a name="l855" href="#l855">855</a><td> !value.propertyIsEnumerable('splice')<tr><td><a name="l856" href="#l856">856</a><td><tr><td><a name="l857" href="#l857">857</a><td> )) {<tr><td><a name="l858" href="#l858">858</a><td> return 'array';<tr><td><a name="l859" href="#l859">859</a><td> }<tr><td><a name="l860" href="#l860">860</a><td> // HACK: There is still an array case that fails.<tr><td><a name="l861" href="#l861">861</a><td> // function ArrayImpostor() {}<tr><td><a name="l862" href="#l862">862</a><td> // ArrayImpostor.prototype = [];<tr><td><a name="l863" href="#l863">863</a><td> // var impostor = new ArrayImpostor;<tr><td><a name="l864" href="#l864">864</a><td> // this can be fixed by getting rid of the fast path<tr><td><a name="l865" href="#l865">865</a><td> // (value instanceof Array) and solely relying on<tr><td><a name="l866" href="#l866">866</a><td> // (value && Object.prototype.toString.vall(value) === '[object Array]')<tr><td><a name="l867" href="#l867">867</a><td> // but that would require many more function calls and is not warranted<tr><td><a name="l868" href="#l868">868</a><td> // unless closure code is receiving objects from untrusted sources.<tr><td><a name="l869" href="#l869">869</a><td><tr><td><a name="l870" href="#l870">870</a><td> // IE in cross-window calls does not correctly marshal the function type<tr><td><a name="l871" href="#l871">871</a><td> // (it appears just as an object) so we cannot use just typeof val ==<tr><td><a name="l872" href="#l872">872</a><td> // 'function'. However, if the object has a call property, it is a<tr><td><a name="l873" href="#l873">873</a><td> // function.<tr><td><a name="l874" href="#l874">874</a><td> if ((className == '[object Function]' ||<tr><td><a name="l875" href="#l875">875</a><td> typeof value.call != 'undefined' &&<tr><td><a name="l876" href="#l876">876</a><td> typeof value.propertyIsEnumerable != 'undefined' &&<tr><td><a name="l877" href="#l877">877</a><td> !value.propertyIsEnumerable('call'))) {<tr><td><a name="l878" href="#l878">878</a><td> return 'function';<tr><td><a name="l879" href="#l879">879</a><td> }<tr><td><a name="l880" href="#l880">880</a><td><tr><td><a name="l881" href="#l881">881</a><td> } else {<tr><td><a name="l882" href="#l882">882</a><td> return 'null';<tr><td><a name="l883" href="#l883">883</a><td> }<tr><td><a name="l884" href="#l884">884</a><td><tr><td><a name="l885" href="#l885">885</a><td> } else if (s == 'function' && typeof value.call == 'undefined') {<tr><td><a name="l886" href="#l886">886</a><td> // In Safari typeof nodeList returns 'function', and on Firefox typeof<tr><td><a name="l887" href="#l887">887</a><td> // behaves similarly for HTML{Applet,Embed,Object}, Elements and RegExps. We<tr><td><a name="l888" href="#l888">888</a><td> // would like to return object for those and we can detect an invalid<tr><td><a name="l889" href="#l889">889</a><td> // function by making sure that the function object has a call method.<tr><td><a name="l890" href="#l890">890</a><td> return 'object';<tr><td><a name="l891" href="#l891">891</a><td> }<tr><td><a name="l892" href="#l892">892</a><td> return s;<tr><td><a name="l893" href="#l893">893</a><td>};<tr><td><a name="l894" href="#l894">894</a><td><tr><td><a name="l895" href="#l895">895</a><td><tr><td><a name="l896" href="#l896">896</a><td>/**<tr><td><a name="l897" href="#l897">897</a><td> * Returns true if the specified value is null.<tr><td><a name="l898" href="#l898">898</a><td> * @param {?} val Variable to test.<tr><td><a name="l899" href="#l899">899</a><td> * @return {boolean} Whether variable is null.<tr><td><a name="l900" href="#l900">900</a><td> */<tr><td><a name="l901" href="#l901">901</a><td>goog.isNull = function(val) {<tr><td><a name="l902" href="#l902">902</a><td> return val === null;<tr><td><a name="l903" href="#l903">903</a><td>};<tr><td><a name="l904" href="#l904">904</a><td><tr><td><a name="l905" href="#l905">905</a><td><tr><td><a name="l906" href="#l906">906</a><td>/**<tr><td><a name="l907" href="#l907">907</a><td> * Returns true if the specified value is defined and not null.<tr><td><a name="l908" href="#l908">908</a><td> * @param {?} val Variable to test.<tr><td><a name="l909" href="#l909">909</a><td> * @return {boolean} Whether variable is defined and not null.<tr><td><a name="l910" href="#l910">910</a><td> */<tr><td><a name="l911" href="#l911">911</a><td>goog.isDefAndNotNull = function(val) {<tr><td><a name="l912" href="#l912">912</a><td> // Note that undefined == null.<tr><td><a name="l913" href="#l913">913</a><td> return val != null;<tr><td><a name="l914" href="#l914">914</a><td>};<tr><td><a name="l915" href="#l915">915</a><td><tr><td><a name="l916" href="#l916">916</a><td><tr><td><a name="l917" href="#l917">917</a><td>/**<tr><td><a name="l918" href="#l918">918</a><td> * Returns true if the specified value is an array.<tr><td><a name="l919" href="#l919">919</a><td> * @param {?} val Variable to test.<tr><td><a name="l920" href="#l920">920</a><td> * @return {boolean} Whether variable is an array.<tr><td><a name="l921" href="#l921">921</a><td> */<tr><td><a name="l922" href="#l922">922</a><td>goog.isArray = function(val) {<tr><td><a name="l923" href="#l923">923</a><td> return goog.typeOf(val) == 'array';<tr><td><a name="l924" href="#l924">924</a><td>};<tr><td><a name="l925" href="#l925">925</a><td><tr><td><a name="l926" href="#l926">926</a><td><tr><td><a name="l927" href="#l927">927</a><td>/**<tr><td><a name="l928" href="#l928">928</a><td> * Returns true if the object looks like an array. To qualify as array like<tr><td><a name="l929" href="#l929">929</a><td> * the value needs to be either a NodeList or an object with a Number length<tr><td><a name="l930" href="#l930">930</a><td> * property.<tr><td><a name="l931" href="#l931">931</a><td> * @param {?} val Variable to test.<tr><td><a name="l932" href="#l932">932</a><td> * @return {boolean} Whether variable is an array.<tr><td><a name="l933" href="#l933">933</a><td> */<tr><td><a name="l934" href="#l934">934</a><td>goog.isArrayLike = function(val) {<tr><td><a name="l935" href="#l935">935</a><td> var type = goog.typeOf(val);<tr><td><a name="l936" href="#l936">936</a><td> return type == 'array' || type == 'object' && typeof val.length == 'number';<tr><td><a name="l937" href="#l937">937</a><td>};<tr><td><a name="l938" href="#l938">938</a><td><tr><td><a name="l939" href="#l939">939</a><td><tr><td><a name="l940" href="#l940">940</a><td>/**<tr><td><a name="l941" href="#l941">941</a><td> * Returns true if the object looks like a Date. To qualify as Date-like the<tr><td><a name="l942" href="#l942">942</a><td> * value needs to be an object and have a getFullYear() function.<tr><td><a name="l943" href="#l943">943</a><td> * @param {?} val Variable to test.<tr><td><a name="l944" href="#l944">944</a><td> * @return {boolean} Whether variable is a like a Date.<tr><td><a name="l945" href="#l945">945</a><td> */<tr><td><a name="l946" href="#l946">946</a><td>goog.isDateLike = function(val) {<tr><td><a name="l947" href="#l947">947</a><td> return goog.isObject(val) && typeof val.getFullYear == 'function';<tr><td><a name="l948" href="#l948">948</a><td>};<tr><td><a name="l949" href="#l949">949</a><td><tr><td><a name="l950" href="#l950">950</a><td><tr><td><a name="l951" href="#l951">951</a><td>/**<tr><td><a name="l952" href="#l952">952</a><td> * Returns true if the specified value is a string.<tr><td><a name="l953" href="#l953">953</a><td> * @param {?} val Variable to test.<tr><td><a name="l954" href="#l954">954</a><td> * @return {boolean} Whether variable is a string.<tr><td><a name="l955" href="#l955">955</a><td> */<tr><td><a name="l956" href="#l956">956</a><td>goog.isString = function(val) {<tr><td><a name="l957" href="#l957">957</a><td> return typeof val == 'string';<tr><td><a name="l958" href="#l958">958</a><td>};<tr><td><a name="l959" href="#l959">959</a><td><tr><td><a name="l960" href="#l960">960</a><td><tr><td><a name="l961" href="#l961">961</a><td>/**<tr><td><a name="l962" href="#l962">962</a><td> * Returns true if the specified value is a boolean.<tr><td><a name="l963" href="#l963">963</a><td> * @param {?} val Variable to test.<tr><td><a name="l964" href="#l964">964</a><td> * @return {boolean} Whether variable is boolean.<tr><td><a name="l965" href="#l965">965</a><td> */<tr><td><a name="l966" href="#l966">966</a><td>goog.isBoolean = function(val) {<tr><td><a name="l967" href="#l967">967</a><td> return typeof val == 'boolean';<tr><td><a name="l968" href="#l968">968</a><td>};<tr><td><a name="l969" href="#l969">969</a><td><tr><td><a name="l970" href="#l970">970</a><td><tr><td><a name="l971" href="#l971">971</a><td>/**<tr><td><a name="l972" href="#l972">972</a><td> * Returns true if the specified value is a number.<tr><td><a name="l973" href="#l973">973</a><td> * @param {?} val Variable to test.<tr><td><a name="l974" href="#l974">974</a><td> * @return {boolean} Whether variable is a number.<tr><td><a name="l975" href="#l975">975</a><td> */<tr><td><a name="l976" href="#l976">976</a><td>goog.isNumber = function(val) {<tr><td><a name="l977" href="#l977">977</a><td> return typeof val == 'number';<tr><td><a name="l978" href="#l978">978</a><td>};<tr><td><a name="l979" href="#l979">979</a><td><tr><td><a name="l980" href="#l980">980</a><td><tr><td><a name="l981" href="#l981">981</a><td>/**<tr><td><a name="l982" href="#l982">982</a><td> * Returns true if the specified value is a function.<tr><td><a name="l983" href="#l983">983</a><td> * @param {?} val Variable to test.<tr><td><a name="l984" href="#l984">984</a><td> * @return {boolean} Whether variable is a function.<tr><td><a name="l985" href="#l985">985</a><td> */<tr><td><a name="l986" href="#l986">986</a><td>goog.isFunction = function(val) {<tr><td><a name="l987" href="#l987">987</a><td> return goog.typeOf(val) == 'function';<tr><td><a name="l988" href="#l988">988</a><td>};<tr><td><a name="l989" href="#l989">989</a><td><tr><td><a name="l990" href="#l990">990</a><td><tr><td><a name="l991" href="#l991">991</a><td>/**<tr><td><a name="l992" href="#l992">992</a><td> * Returns true if the specified value is an object. This includes arrays and<tr><td><a name="l993" href="#l993">993</a><td> * functions.<tr><td><a name="l994" href="#l994">994</a><td> * @param {?} val Variable to test.<tr><td><a name="l995" href="#l995">995</a><td> * @return {boolean} Whether variable is an object.<tr><td><a name="l996" href="#l996">996</a><td> */<tr><td><a name="l997" href="#l997">997</a><td>goog.isObject = function(val) {<tr><td><a name="l998" href="#l998">998</a><td> var type = typeof val;<tr><td><a name="l999" href="#l999">999</a><td> return type == 'object' && val != null || type == 'function';<tr><td><a name="l1000" href="#l1000">1000</a><td> // return Object(val) === val also works, but is slower, especially if val is<tr><td><a name="l1001" href="#l1001">1001</a><td> // not an object.<tr><td><a name="l1002" href="#l1002">1002</a><td>};<tr><td><a name="l1003" href="#l1003">1003</a><td><tr><td><a name="l1004" href="#l1004">1004</a><td><tr><td><a name="l1005" href="#l1005">1005</a><td>/**<tr><td><a name="l1006" href="#l1006">1006</a><td> * Gets a unique ID for an object. This mutates the object so that further calls<tr><td><a name="l1007" href="#l1007">1007</a><td> * with the same object as a parameter returns the same value. The unique ID is<tr><td><a name="l1008" href="#l1008">1008</a><td> * guaranteed to be unique across the current session amongst objects that are<tr><td><a name="l1009" href="#l1009">1009</a><td> * passed into {@code getUid}. There is no guarantee that the ID is unique or<tr><td><a name="l1010" href="#l1010">1010</a><td> * consistent across sessions. It is unsafe to generate unique ID for function<tr><td><a name="l1011" href="#l1011">1011</a><td> * prototypes.<tr><td><a name="l1012" href="#l1012">1012</a><td> *<tr><td><a name="l1013" href="#l1013">1013</a><td> * @param {Object} obj The object to get the unique ID for.<tr><td><a name="l1014" href="#l1014">1014</a><td> * @return {number} The unique ID for the object.<tr><td><a name="l1015" href="#l1015">1015</a><td> */<tr><td><a name="l1016" href="#l1016">1016</a><td>goog.getUid = function(obj) {<tr><td><a name="l1017" href="#l1017">1017</a><td> // TODO(arv): Make the type stricter, do not accept null.<tr><td><a name="l1018" href="#l1018">1018</a><td><tr><td><a name="l1019" href="#l1019">1019</a><td> // In Opera window.hasOwnProperty exists but always returns false so we avoid<tr><td><a name="l1020" href="#l1020">1020</a><td> // using it. As a consequence the unique ID generated for BaseClass.prototype<tr><td><a name="l1021" href="#l1021">1021</a><td> // and SubClass.prototype will be the same.<tr><td><a name="l1022" href="#l1022">1022</a><td> return obj[goog.UID_PROPERTY_] ||<tr><td><a name="l1023" href="#l1023">1023</a><td> (obj[goog.UID_PROPERTY_] = ++goog.uidCounter_);<tr><td><a name="l1024" href="#l1024">1024</a><td>};<tr><td><a name="l1025" href="#l1025">1025</a><td><tr><td><a name="l1026" href="#l1026">1026</a><td><tr><td><a name="l1027" href="#l1027">1027</a><td>/**<tr><td><a name="l1028" href="#l1028">1028</a><td> * Whether the given object is alreay assigned a unique ID.<tr><td><a name="l1029" href="#l1029">1029</a><td> *<tr><td><a name="l1030" href="#l1030">1030</a><td> * This does not modify the object.<tr><td><a name="l1031" href="#l1031">1031</a><td> *<tr><td><a name="l1032" href="#l1032">1032</a><td> * @param {Object} obj The object to check.<tr><td><a name="l1033" href="#l1033">1033</a><td> * @return {boolean} Whether there an assigned unique id for the object.<tr><td><a name="l1034" href="#l1034">1034</a><td> */<tr><td><a name="l1035" href="#l1035">1035</a><td>goog.hasUid = function(obj) {<tr><td><a name="l1036" href="#l1036">1036</a><td> return !!obj[goog.UID_PROPERTY_];<tr><td><a name="l1037" href="#l1037">1037</a><td>};<tr><td><a name="l1038" href="#l1038">1038</a><td><tr><td><a name="l1039" href="#l1039">1039</a><td><tr><td><a name="l1040" href="#l1040">1040</a><td>/**<tr><td><a name="l1041" href="#l1041">1041</a><td> * Removes the unique ID from an object. This is useful if the object was<tr><td><a name="l1042" href="#l1042">1042</a><td> * previously mutated using {@code goog.getUid} in which case the mutation is<tr><td><a name="l1043" href="#l1043">1043</a><td> * undone.<tr><td><a name="l1044" href="#l1044">1044</a><td> * @param {Object} obj The object to remove the unique ID field from.<tr><td><a name="l1045" href="#l1045">1045</a><td> */<tr><td><a name="l1046" href="#l1046">1046</a><td>goog.removeUid = function(obj) {<tr><td><a name="l1047" href="#l1047">1047</a><td> // TODO(arv): Make the type stricter, do not accept null.<tr><td><a name="l1048" href="#l1048">1048</a><td><tr><td><a name="l1049" href="#l1049">1049</a><td> // In IE, DOM nodes are not instances of Object and throw an exception if we<tr><td><a name="l1050" href="#l1050">1050</a><td> // try to delete. Instead we try to use removeAttribute.<tr><td><a name="l1051" href="#l1051">1051</a><td> if ('removeAttribute' in obj) {<tr><td><a name="l1052" href="#l1052">1052</a><td> obj.removeAttribute(goog.UID_PROPERTY_);<tr><td><a name="l1053" href="#l1053">1053</a><td> }<tr><td><a name="l1054" href="#l1054">1054</a><td> /** @preserveTry */<tr><td><a name="l1055" href="#l1055">1055</a><td> try {<tr><td><a name="l1056" href="#l1056">1056</a><td> delete obj[goog.UID_PROPERTY_];<tr><td><a name="l1057" href="#l1057">1057</a><td> } catch (ex) {<tr><td><a name="l1058" href="#l1058">1058</a><td> }<tr><td><a name="l1059" href="#l1059">1059</a><td>};<tr><td><a name="l1060" href="#l1060">1060</a><td><tr><td><a name="l1061" href="#l1061">1061</a><td><tr><td><a name="l1062" href="#l1062">1062</a><td>/**<tr><td><a name="l1063" href="#l1063">1063</a><td> * Name for unique ID property. Initialized in a way to help avoid collisions<tr><td><a name="l1064" href="#l1064">1064</a><td> * with other closure JavaScript on the same page.<tr><td><a name="l1065" href="#l1065">1065</a><td> * @type {string}<tr><td><a name="l1066" href="#l1066">1066</a><td> * @private<tr><td><a name="l1067" href="#l1067">1067</a><td> */<tr><td><a name="l1068" href="#l1068">1068</a><td>goog.UID_PROPERTY_ = 'closure_uid_' + ((Math.random() * 1e9) >>> 0);<tr><td><a name="l1069" href="#l1069">1069</a><td><tr><td><a name="l1070" href="#l1070">1070</a><td><tr><td><a name="l1071" href="#l1071">1071</a><td>/**<tr><td><a name="l1072" href="#l1072">1072</a><td> * Counter for UID.<tr><td><a name="l1073" href="#l1073">1073</a><td> * @type {number}<tr><td><a name="l1074" href="#l1074">1074</a><td> * @private<tr><td><a name="l1075" href="#l1075">1075</a><td> */<tr><td><a name="l1076" href="#l1076">1076</a><td>goog.uidCounter_ = 0;<tr><td><a name="l1077" href="#l1077">1077</a><td><tr><td><a name="l1078" href="#l1078">1078</a><td><tr><td><a name="l1079" href="#l1079">1079</a><td>/**<tr><td><a name="l1080" href="#l1080">1080</a><td> * Adds a hash code field to an object. The hash code is unique for the<tr><td><a name="l1081" href="#l1081">1081</a><td> * given object.<tr><td><a name="l1082" href="#l1082">1082</a><td> * @param {Object} obj The object to get the hash code for.<tr><td><a name="l1083" href="#l1083">1083</a><td> * @return {number} The hash code for the object.<tr><td><a name="l1084" href="#l1084">1084</a><td> * @deprecated Use goog.getUid instead.<tr><td><a name="l1085" href="#l1085">1085</a><td> */<tr><td><a name="l1086" href="#l1086">1086</a><td>goog.getHashCode = goog.getUid;<tr><td><a name="l1087" href="#l1087">1087</a><td><tr><td><a name="l1088" href="#l1088">1088</a><td><tr><td><a name="l1089" href="#l1089">1089</a><td>/**<tr><td><a name="l1090" href="#l1090">1090</a><td> * Removes the hash code field from an object.<tr><td><a name="l1091" href="#l1091">1091</a><td> * @param {Object} obj The object to remove the field from.<tr><td><a name="l1092" href="#l1092">1092</a><td> * @deprecated Use goog.removeUid instead.<tr><td><a name="l1093" href="#l1093">1093</a><td> */<tr><td><a name="l1094" href="#l1094">1094</a><td>goog.removeHashCode = goog.removeUid;<tr><td><a name="l1095" href="#l1095">1095</a><td><tr><td><a name="l1096" href="#l1096">1096</a><td><tr><td><a name="l1097" href="#l1097">1097</a><td>/**<tr><td><a name="l1098" href="#l1098">1098</a><td> * Clones a value. The input may be an Object, Array, or basic type. Objects and<tr><td><a name="l1099" href="#l1099">1099</a><td> * arrays will be cloned recursively.<tr><td><a name="l1100" href="#l1100">1100</a><td> *<tr><td><a name="l1101" href="#l1101">1101</a><td> * WARNINGS:<tr><td><a name="l1102" href="#l1102">1102</a><td> * <code>goog.cloneObject</code> does not detect reference loops. Objects that<tr><td><a name="l1103" href="#l1103">1103</a><td> * refer to themselves will cause infinite recursion.<tr><td><a name="l1104" href="#l1104">1104</a><td> *<tr><td><a name="l1105" href="#l1105">1105</a><td> * <code>goog.cloneObject</code> is unaware of unique identifiers, and copies<tr><td><a name="l1106" href="#l1106">1106</a><td> * UIDs created by <code>getUid</code> into cloned results.<tr><td><a name="l1107" href="#l1107">1107</a><td> *<tr><td><a name="l1108" href="#l1108">1108</a><td> * @param {*} obj The value to clone.<tr><td><a name="l1109" href="#l1109">1109</a><td> * @return {*} A clone of the input value.<tr><td><a name="l1110" href="#l1110">1110</a><td> * @deprecated goog.cloneObject is unsafe. Prefer the goog.object methods.<tr><td><a name="l1111" href="#l1111">1111</a><td> */<tr><td><a name="l1112" href="#l1112">1112</a><td>goog.cloneObject = function(obj) {<tr><td><a name="l1113" href="#l1113">1113</a><td> var type = goog.typeOf(obj);<tr><td><a name="l1114" href="#l1114">1114</a><td> if (type == 'object' || type == 'array') {<tr><td><a name="l1115" href="#l1115">1115</a><td> if (obj.clone) {<tr><td><a name="l1116" href="#l1116">1116</a><td> return obj.clone();<tr><td><a name="l1117" href="#l1117">1117</a><td> }<tr><td><a name="l1118" href="#l1118">1118</a><td> var clone = type == 'array' ? [] : {};<tr><td><a name="l1119" href="#l1119">1119</a><td> for (var key in obj) {<tr><td><a name="l1120" href="#l1120">1120</a><td> clone[key] = goog.cloneObject(obj[key]);<tr><td><a name="l1121" href="#l1121">1121</a><td> }<tr><td><a name="l1122" href="#l1122">1122</a><td> return clone;<tr><td><a name="l1123" href="#l1123">1123</a><td> }<tr><td><a name="l1124" href="#l1124">1124</a><td><tr><td><a name="l1125" href="#l1125">1125</a><td> return obj;<tr><td><a name="l1126" href="#l1126">1126</a><td>};<tr><td><a name="l1127" href="#l1127">1127</a><td><tr><td><a name="l1128" href="#l1128">1128</a><td><tr><td><a name="l1129" href="#l1129">1129</a><td>/**<tr><td><a name="l1130" href="#l1130">1130</a><td> * A native implementation of goog.bind.<tr><td><a name="l1131" href="#l1131">1131</a><td> * @param {Function} fn A function to partially apply.<tr><td><a name="l1132" href="#l1132">1132</a><td> * @param {Object|undefined} selfObj Specifies the object which this should<tr><td><a name="l1133" href="#l1133">1133</a><td> * point to when the function is run.<tr><td><a name="l1134" href="#l1134">1134</a><td> * @param {...*} var_args Additional arguments that are partially applied to the<tr><td><a name="l1135" href="#l1135">1135</a><td> * function.<tr><td><a name="l1136" href="#l1136">1136</a><td> * @return {!Function} A partially-applied form of the function bind() was<tr><td><a name="l1137" href="#l1137">1137</a><td> * invoked as a method of.<tr><td><a name="l1138" href="#l1138">1138</a><td> * @private<tr><td><a name="l1139" href="#l1139">1139</a><td> * @suppress {deprecated} The compiler thinks that Function.prototype.bind is<tr><td><a name="l1140" href="#l1140">1140</a><td> * deprecated because some people have declared a pure-JS version.<tr><td><a name="l1141" href="#l1141">1141</a><td> * Only the pure-JS version is truly deprecated.<tr><td><a name="l1142" href="#l1142">1142</a><td> */<tr><td><a name="l1143" href="#l1143">1143</a><td>goog.bindNative_ = function(fn, selfObj, var_args) {<tr><td><a name="l1144" href="#l1144">1144</a><td> return /** @type {!Function} */ (fn.call.apply(fn.bind, arguments));<tr><td><a name="l1145" href="#l1145">1145</a><td>};<tr><td><a name="l1146" href="#l1146">1146</a><td><tr><td><a name="l1147" href="#l1147">1147</a><td><tr><td><a name="l1148" href="#l1148">1148</a><td>/**<tr><td><a name="l1149" href="#l1149">1149</a><td> * A pure-JS implementation of goog.bind.<tr><td><a name="l1150" href="#l1150">1150</a><td> * @param {Function} fn A function to partially apply.<tr><td><a name="l1151" href="#l1151">1151</a><td> * @param {Object|undefined} selfObj Specifies the object which this should<tr><td><a name="l1152" href="#l1152">1152</a><td> * point to when the function is run.<tr><td><a name="l1153" href="#l1153">1153</a><td> * @param {...*} var_args Additional arguments that are partially applied to the<tr><td><a name="l1154" href="#l1154">1154</a><td> * function.<tr><td><a name="l1155" href="#l1155">1155</a><td> * @return {!Function} A partially-applied form of the function bind() was<tr><td><a name="l1156" href="#l1156">1156</a><td> * invoked as a method of.<tr><td><a name="l1157" href="#l1157">1157</a><td> * @private<tr><td><a name="l1158" href="#l1158">1158</a><td> */<tr><td><a name="l1159" href="#l1159">1159</a><td>goog.bindJs_ = function(fn, selfObj, var_args) {<tr><td><a name="l1160" href="#l1160">1160</a><td> if (!fn) {<tr><td><a name="l1161" href="#l1161">1161</a><td> throw new Error();<tr><td><a name="l1162" href="#l1162">1162</a><td> }<tr><td><a name="l1163" href="#l1163">1163</a><td><tr><td><a name="l1164" href="#l1164">1164</a><td> if (arguments.length > 2) {<tr><td><a name="l1165" href="#l1165">1165</a><td> var boundArgs = Array.prototype.slice.call(arguments, 2);<tr><td><a name="l1166" href="#l1166">1166</a><td> return function() {<tr><td><a name="l1167" href="#l1167">1167</a><td> // Prepend the bound arguments to the current arguments.<tr><td><a name="l1168" href="#l1168">1168</a><td> var newArgs = Array.prototype.slice.call(arguments);<tr><td><a name="l1169" href="#l1169">1169</a><td> Array.prototype.unshift.apply(newArgs, boundArgs);<tr><td><a name="l1170" href="#l1170">1170</a><td> return fn.apply(selfObj, newArgs);<tr><td><a name="l1171" href="#l1171">1171</a><td> };<tr><td><a name="l1172" href="#l1172">1172</a><td><tr><td><a name="l1173" href="#l1173">1173</a><td> } else {<tr><td><a name="l1174" href="#l1174">1174</a><td> return function() {<tr><td><a name="l1175" href="#l1175">1175</a><td> return fn.apply(selfObj, arguments);<tr><td><a name="l1176" href="#l1176">1176</a><td> };<tr><td><a name="l1177" href="#l1177">1177</a><td> }<tr><td><a name="l1178" href="#l1178">1178</a><td>};<tr><td><a name="l1179" href="#l1179">1179</a><td><tr><td><a name="l1180" href="#l1180">1180</a><td><tr><td><a name="l1181" href="#l1181">1181</a><td>/**<tr><td><a name="l1182" href="#l1182">1182</a><td> * Partially applies this function to a particular 'this object' and zero or<tr><td><a name="l1183" href="#l1183">1183</a><td> * more arguments. The result is a new function with some arguments of the first<tr><td><a name="l1184" href="#l1184">1184</a><td> * function pre-filled and the value of this 'pre-specified'.<tr><td><a name="l1185" href="#l1185">1185</a><td> *<tr><td><a name="l1186" href="#l1186">1186</a><td> * Remaining arguments specified at call-time are appended to the pre-specified<tr><td><a name="l1187" href="#l1187">1187</a><td> * ones.<tr><td><a name="l1188" href="#l1188">1188</a><td> *<tr><td><a name="l1189" href="#l1189">1189</a><td> * Also see: {@link #partial}.<tr><td><a name="l1190" href="#l1190">1190</a><td> *<tr><td><a name="l1191" href="#l1191">1191</a><td> * Usage:<tr><td><a name="l1192" href="#l1192">1192</a><td> * <pre>var barMethBound = bind(myFunction, myObj, 'arg1', 'arg2');<tr><td><a name="l1193" href="#l1193">1193</a><td> * barMethBound('arg3', 'arg4');</pre><tr><td><a name="l1194" href="#l1194">1194</a><td> *<tr><td><a name="l1195" href="#l1195">1195</a><td> * @param {?function(this:T, ...)} fn A function to partially apply.<tr><td><a name="l1196" href="#l1196">1196</a><td> * @param {T} selfObj Specifies the object which this should point to when the<tr><td><a name="l1197" href="#l1197">1197</a><td> * function is run.<tr><td><a name="l1198" href="#l1198">1198</a><td> * @param {...*} var_args Additional arguments that are partially applied to the<tr><td><a name="l1199" href="#l1199">1199</a><td> * function.<tr><td><a name="l1200" href="#l1200">1200</a><td> * @return {!Function} A partially-applied form of the function bind() was<tr><td><a name="l1201" href="#l1201">1201</a><td> * invoked as a method of.<tr><td><a name="l1202" href="#l1202">1202</a><td> * @template T<tr><td><a name="l1203" href="#l1203">1203</a><td> * @suppress {deprecated} See above.<tr><td><a name="l1204" href="#l1204">1204</a><td> */<tr><td><a name="l1205" href="#l1205">1205</a><td>goog.bind = function(fn, selfObj, var_args) {<tr><td><a name="l1206" href="#l1206">1206</a><td> // TODO(nicksantos): narrow the type signature.<tr><td><a name="l1207" href="#l1207">1207</a><td> if (Function.prototype.bind &&<tr><td><a name="l1208" href="#l1208">1208</a><td> // NOTE(nicksantos): Somebody pulled base.js into the default Chrome<tr><td><a name="l1209" href="#l1209">1209</a><td> // extension environment. This means that for Chrome extensions, they get<tr><td><a name="l1210" href="#l1210">1210</a><td> // the implementation of Function.prototype.bind that calls goog.bind<tr><td><a name="l1211" href="#l1211">1211</a><td> // instead of the native one. Even worse, we don't want to introduce a<tr><td><a name="l1212" href="#l1212">1212</a><td> // circular dependency between goog.bind and Function.prototype.bind, so<tr><td><a name="l1213" href="#l1213">1213</a><td> // we have to hack this to make sure it works correctly.<tr><td><a name="l1214" href="#l1214">1214</a><td> Function.prototype.bind.toString().indexOf('native code') != -1) {<tr><td><a name="l1215" href="#l1215">1215</a><td> goog.bind = goog.bindNative_;<tr><td><a name="l1216" href="#l1216">1216</a><td> } else {<tr><td><a name="l1217" href="#l1217">1217</a><td> goog.bind = goog.bindJs_;<tr><td><a name="l1218" href="#l1218">1218</a><td> }<tr><td><a name="l1219" href="#l1219">1219</a><td> return goog.bind.apply(null, arguments);<tr><td><a name="l1220" href="#l1220">1220</a><td>};<tr><td><a name="l1221" href="#l1221">1221</a><td><tr><td><a name="l1222" href="#l1222">1222</a><td><tr><td><a name="l1223" href="#l1223">1223</a><td>/**<tr><td><a name="l1224" href="#l1224">1224</a><td> * Like bind(), except that a 'this object' is not required. Useful when the<tr><td><a name="l1225" href="#l1225">1225</a><td> * target function is already bound.<tr><td><a name="l1226" href="#l1226">1226</a><td> *<tr><td><a name="l1227" href="#l1227">1227</a><td> * Usage:<tr><td><a name="l1228" href="#l1228">1228</a><td> * var g = partial(f, arg1, arg2);<tr><td><a name="l1229" href="#l1229">1229</a><td> * g(arg3, arg4);<tr><td><a name="l1230" href="#l1230">1230</a><td> *<tr><td><a name="l1231" href="#l1231">1231</a><td> * @param {Function} fn A function to partially apply.<tr><td><a name="l1232" href="#l1232">1232</a><td> * @param {...*} var_args Additional arguments that are partially applied to fn.<tr><td><a name="l1233" href="#l1233">1233</a><td> * @return {!Function} A partially-applied form of the function bind() was<tr><td><a name="l1234" href="#l1234">1234</a><td> * invoked as a method of.<tr><td><a name="l1235" href="#l1235">1235</a><td> */<tr><td><a name="l1236" href="#l1236">1236</a><td>goog.partial = function(fn, var_args) {<tr><td><a name="l1237" href="#l1237">1237</a><td> var args = Array.prototype.slice.call(arguments, 1);<tr><td><a name="l1238" href="#l1238">1238</a><td> return function() {<tr><td><a name="l1239" href="#l1239">1239</a><td> // Clone the array (with slice()) and append additional arguments<tr><td><a name="l1240" href="#l1240">1240</a><td> // to the existing arguments.<tr><td><a name="l1241" href="#l1241">1241</a><td> var newArgs = args.slice();<tr><td><a name="l1242" href="#l1242">1242</a><td> newArgs.push.apply(newArgs, arguments);<tr><td><a name="l1243" href="#l1243">1243</a><td> return fn.apply(this, newArgs);<tr><td><a name="l1244" href="#l1244">1244</a><td> };<tr><td><a name="l1245" href="#l1245">1245</a><td>};<tr><td><a name="l1246" href="#l1246">1246</a><td><tr><td><a name="l1247" href="#l1247">1247</a><td><tr><td><a name="l1248" href="#l1248">1248</a><td>/**<tr><td><a name="l1249" href="#l1249">1249</a><td> * Copies all the members of a source object to a target object. This method<tr><td><a name="l1250" href="#l1250">1250</a><td> * does not work on all browsers for all objects that contain keys such as<tr><td><a name="l1251" href="#l1251">1251</a><td> * toString or hasOwnProperty. Use goog.object.extend for this purpose.<tr><td><a name="l1252" href="#l1252">1252</a><td> * @param {Object} target Target.<tr><td><a name="l1253" href="#l1253">1253</a><td> * @param {Object} source Source.<tr><td><a name="l1254" href="#l1254">1254</a><td> */<tr><td><a name="l1255" href="#l1255">1255</a><td>goog.mixin = function(target, source) {<tr><td><a name="l1256" href="#l1256">1256</a><td> for (var x in source) {<tr><td><a name="l1257" href="#l1257">1257</a><td> target[x] = source[x];<tr><td><a name="l1258" href="#l1258">1258</a><td> }<tr><td><a name="l1259" href="#l1259">1259</a><td><tr><td><a name="l1260" href="#l1260">1260</a><td> // For IE7 or lower, the for-in-loop does not contain any properties that are<tr><td><a name="l1261" href="#l1261">1261</a><td> // not enumerable on the prototype object (for example, isPrototypeOf from<tr><td><a name="l1262" href="#l1262">1262</a><td> // Object.prototype) but also it will not include 'replace' on objects that<tr><td><a name="l1263" href="#l1263">1263</a><td> // extend String and change 'replace' (not that it is common for anyone to<tr><td><a name="l1264" href="#l1264">1264</a><td> // extend anything except Object).<tr><td><a name="l1265" href="#l1265">1265</a><td>};<tr><td><a name="l1266" href="#l1266">1266</a><td><tr><td><a name="l1267" href="#l1267">1267</a><td><tr><td><a name="l1268" href="#l1268">1268</a><td>/**<tr><td><a name="l1269" href="#l1269">1269</a><td> * @return {number} An integer value representing the number of milliseconds<tr><td><a name="l1270" href="#l1270">1270</a><td> * between midnight, January 1, 1970 and the current time.<tr><td><a name="l1271" href="#l1271">1271</a><td> */<tr><td><a name="l1272" href="#l1272">1272</a><td>goog.now = (goog.TRUSTED_SITE && Date.now) || (function() {<tr><td><a name="l1273" href="#l1273">1273</a><td> // Unary plus operator converts its operand to a number which in the case of<tr><td><a name="l1274" href="#l1274">1274</a><td> // a date is done by calling getTime().<tr><td><a name="l1275" href="#l1275">1275</a><td> return +new Date();<tr><td><a name="l1276" href="#l1276">1276</a><td>});<tr><td><a name="l1277" href="#l1277">1277</a><td><tr><td><a name="l1278" href="#l1278">1278</a><td><tr><td><a name="l1279" href="#l1279">1279</a><td>/**<tr><td><a name="l1280" href="#l1280">1280</a><td> * Evals JavaScript in the global scope. In IE this uses execScript, other<tr><td><a name="l1281" href="#l1281">1281</a><td> * browsers use goog.global.eval. If goog.global.eval does not evaluate in the<tr><td><a name="l1282" href="#l1282">1282</a><td> * global scope (for example, in Safari), appends a script tag instead.<tr><td><a name="l1283" href="#l1283">1283</a><td> * Throws an exception if neither execScript or eval is defined.<tr><td><a name="l1284" href="#l1284">1284</a><td> * @param {string} script JavaScript string.<tr><td><a name="l1285" href="#l1285">1285</a><td> */<tr><td><a name="l1286" href="#l1286">1286</a><td>goog.globalEval = function(script) {<tr><td><a name="l1287" href="#l1287">1287</a><td> if (goog.global.execScript) {<tr><td><a name="l1288" href="#l1288">1288</a><td> goog.global.execScript(script, 'JavaScript');<tr><td><a name="l1289" href="#l1289">1289</a><td> } else if (goog.global.eval) {<tr><td><a name="l1290" href="#l1290">1290</a><td> // Test to see if eval works<tr><td><a name="l1291" href="#l1291">1291</a><td> if (goog.evalWorksForGlobals_ == null) {<tr><td><a name="l1292" href="#l1292">1292</a><td> goog.global.eval('var _et_ = 1;');<tr><td><a name="l1293" href="#l1293">1293</a><td> if (typeof goog.global['_et_'] != 'undefined') {<tr><td><a name="l1294" href="#l1294">1294</a><td> delete goog.global['_et_'];<tr><td><a name="l1295" href="#l1295">1295</a><td> goog.evalWorksForGlobals_ = true;<tr><td><a name="l1296" href="#l1296">1296</a><td> } else {<tr><td><a name="l1297" href="#l1297">1297</a><td> goog.evalWorksForGlobals_ = false;<tr><td><a name="l1298" href="#l1298">1298</a><td> }<tr><td><a name="l1299" href="#l1299">1299</a><td> }<tr><td><a name="l1300" href="#l1300">1300</a><td><tr><td><a name="l1301" href="#l1301">1301</a><td> if (goog.evalWorksForGlobals_) {<tr><td><a name="l1302" href="#l1302">1302</a><td> goog.global.eval(script);<tr><td><a name="l1303" href="#l1303">1303</a><td> } else {<tr><td><a name="l1304" href="#l1304">1304</a><td> var doc = goog.global.document;<tr><td><a name="l1305" href="#l1305">1305</a><td> var scriptElt = doc.createElement('script');<tr><td><a name="l1306" href="#l1306">1306</a><td> scriptElt.type = 'text/javascript';<tr><td><a name="l1307" href="#l1307">1307</a><td> scriptElt.defer = false;<tr><td><a name="l1308" href="#l1308">1308</a><td> // Note(user): can't use .innerHTML since "t('<test>')" will fail and<tr><td><a name="l1309" href="#l1309">1309</a><td> // .text doesn't work in Safari 2. Therefore we append a text node.<tr><td><a name="l1310" href="#l1310">1310</a><td> scriptElt.appendChild(doc.createTextNode(script));<tr><td><a name="l1311" href="#l1311">1311</a><td> doc.body.appendChild(scriptElt);<tr><td><a name="l1312" href="#l1312">1312</a><td> doc.body.removeChild(scriptElt);<tr><td><a name="l1313" href="#l1313">1313</a><td> }<tr><td><a name="l1314" href="#l1314">1314</a><td> } else {<tr><td><a name="l1315" href="#l1315">1315</a><td> throw Error('goog.globalEval not available');<tr><td><a name="l1316" href="#l1316">1316</a><td> }<tr><td><a name="l1317" href="#l1317">1317</a><td>};<tr><td><a name="l1318" href="#l1318">1318</a><td><tr><td><a name="l1319" href="#l1319">1319</a><td><tr><td><a name="l1320" href="#l1320">1320</a><td>/**<tr><td><a name="l1321" href="#l1321">1321</a><td> * Indicates whether or not we can call 'eval' directly to eval code in the<tr><td><a name="l1322" href="#l1322">1322</a><td> * global scope. Set to a Boolean by the first call to goog.globalEval (which<tr><td><a name="l1323" href="#l1323">1323</a><td> * empirically tests whether eval works for globals). @see goog.globalEval<tr><td><a name="l1324" href="#l1324">1324</a><td> * @type {?boolean}<tr><td><a name="l1325" href="#l1325">1325</a><td> * @private<tr><td><a name="l1326" href="#l1326">1326</a><td> */<tr><td><a name="l1327" href="#l1327">1327</a><td>goog.evalWorksForGlobals_ = null;<tr><td><a name="l1328" href="#l1328">1328</a><td><tr><td><a name="l1329" href="#l1329">1329</a><td><tr><td><a name="l1330" href="#l1330">1330</a><td>/**<tr><td><a name="l1331" href="#l1331">1331</a><td> * Optional map of CSS class names to obfuscated names used with<tr><td><a name="l1332" href="#l1332">1332</a><td> * goog.getCssName().<tr><td><a name="l1333" href="#l1333">1333</a><td> * @type {Object|undefined}<tr><td><a name="l1334" href="#l1334">1334</a><td> * @private<tr><td><a name="l1335" href="#l1335">1335</a><td> * @see goog.setCssNameMapping<tr><td><a name="l1336" href="#l1336">1336</a><td> */<tr><td><a name="l1337" href="#l1337">1337</a><td>goog.cssNameMapping_;<tr><td><a name="l1338" href="#l1338">1338</a><td><tr><td><a name="l1339" href="#l1339">1339</a><td><tr><td><a name="l1340" href="#l1340">1340</a><td>/**<tr><td><a name="l1341" href="#l1341">1341</a><td> * Optional obfuscation style for CSS class names. Should be set to either<tr><td><a name="l1342" href="#l1342">1342</a><td> * 'BY_WHOLE' or 'BY_PART' if defined.<tr><td><a name="l1343" href="#l1343">1343</a><td> * @type {string|undefined}<tr><td><a name="l1344" href="#l1344">1344</a><td> * @private<tr><td><a name="l1345" href="#l1345">1345</a><td> * @see goog.setCssNameMapping<tr><td><a name="l1346" href="#l1346">1346</a><td> */<tr><td><a name="l1347" href="#l1347">1347</a><td>goog.cssNameMappingStyle_;<tr><td><a name="l1348" href="#l1348">1348</a><td><tr><td><a name="l1349" href="#l1349">1349</a><td><tr><td><a name="l1350" href="#l1350">1350</a><td>/**<tr><td><a name="l1351" href="#l1351">1351</a><td> * Handles strings that are intended to be used as CSS class names.<tr><td><a name="l1352" href="#l1352">1352</a><td> *<tr><td><a name="l1353" href="#l1353">1353</a><td> * This function works in tandem with @see goog.setCssNameMapping.<tr><td><a name="l1354" href="#l1354">1354</a><td> *<tr><td><a name="l1355" href="#l1355">1355</a><td> * Without any mapping set, the arguments are simple joined with a hyphen and<tr><td><a name="l1356" href="#l1356">1356</a><td> * passed through unaltered.<tr><td><a name="l1357" href="#l1357">1357</a><td> *<tr><td><a name="l1358" href="#l1358">1358</a><td> * When there is a mapping, there are two possible styles in which these<tr><td><a name="l1359" href="#l1359">1359</a><td> * mappings are used. In the BY_PART style, each part (i.e. in between hyphens)<tr><td><a name="l1360" href="#l1360">1360</a><td> * of the passed in css name is rewritten according to the map. In the BY_WHOLE<tr><td><a name="l1361" href="#l1361">1361</a><td> * style, the full css name is looked up in the map directly. If a rewrite is<tr><td><a name="l1362" href="#l1362">1362</a><td> * not specified by the map, the compiler will output a warning.<tr><td><a name="l1363" href="#l1363">1363</a><td> *<tr><td><a name="l1364" href="#l1364">1364</a><td> * When the mapping is passed to the compiler, it will replace calls to<tr><td><a name="l1365" href="#l1365">1365</a><td> * goog.getCssName with the strings from the mapping, e.g.<tr><td><a name="l1366" href="#l1366">1366</a><td> * var x = goog.getCssName('foo');<tr><td><a name="l1367" href="#l1367">1367</a><td> * var y = goog.getCssName(this.baseClass, 'active');<tr><td><a name="l1368" href="#l1368">1368</a><td> * becomes:<tr><td><a name="l1369" href="#l1369">1369</a><td> * var x= 'foo';<tr><td><a name="l1370" href="#l1370">1370</a><td> * var y = this.baseClass + '-active';<tr><td><a name="l1371" href="#l1371">1371</a><td> *<tr><td><a name="l1372" href="#l1372">1372</a><td> * If one argument is passed it will be processed, if two are passed only the<tr><td><a name="l1373" href="#l1373">1373</a><td> * modifier will be processed, as it is assumed the first argument was generated<tr><td><a name="l1374" href="#l1374">1374</a><td> * as a result of calling goog.getCssName.<tr><td><a name="l1375" href="#l1375">1375</a><td> *<tr><td><a name="l1376" href="#l1376">1376</a><td> * @param {string} className The class name.<tr><td><a name="l1377" href="#l1377">1377</a><td> * @param {string=} opt_modifier A modifier to be appended to the class name.<tr><td><a name="l1378" href="#l1378">1378</a><td> * @return {string} The class name or the concatenation of the class name and<tr><td><a name="l1379" href="#l1379">1379</a><td> * the modifier.<tr><td><a name="l1380" href="#l1380">1380</a><td> */<tr><td><a name="l1381" href="#l1381">1381</a><td>goog.getCssName = function(className, opt_modifier) {<tr><td><a name="l1382" href="#l1382">1382</a><td> var getMapping = function(cssName) {<tr><td><a name="l1383" href="#l1383">1383</a><td> return goog.cssNameMapping_[cssName] || cssName;<tr><td><a name="l1384" href="#l1384">1384</a><td> };<tr><td><a name="l1385" href="#l1385">1385</a><td><tr><td><a name="l1386" href="#l1386">1386</a><td> var renameByParts = function(cssName) {<tr><td><a name="l1387" href="#l1387">1387</a><td> // Remap all the parts individually.<tr><td><a name="l1388" href="#l1388">1388</a><td> var parts = cssName.split('-');<tr><td><a name="l1389" href="#l1389">1389</a><td> var mapped = [];<tr><td><a name="l1390" href="#l1390">1390</a><td> for (var i = 0; i < parts.length; i++) {<tr><td><a name="l1391" href="#l1391">1391</a><td> mapped.push(getMapping(parts[i]));<tr><td><a name="l1392" href="#l1392">1392</a><td> }<tr><td><a name="l1393" href="#l1393">1393</a><td> return mapped.join('-');<tr><td><a name="l1394" href="#l1394">1394</a><td> };<tr><td><a name="l1395" href="#l1395">1395</a><td><tr><td><a name="l1396" href="#l1396">1396</a><td> var rename;<tr><td><a name="l1397" href="#l1397">1397</a><td> if (goog.cssNameMapping_) {<tr><td><a name="l1398" href="#l1398">1398</a><td> rename = goog.cssNameMappingStyle_ == 'BY_WHOLE' ?<tr><td><a name="l1399" href="#l1399">1399</a><td> getMapping : renameByParts;<tr><td><a name="l1400" href="#l1400">1400</a><td> } else {<tr><td><a name="l1401" href="#l1401">1401</a><td> rename = function(a) {<tr><td><a name="l1402" href="#l1402">1402</a><td> return a;<tr><td><a name="l1403" href="#l1403">1403</a><td> };<tr><td><a name="l1404" href="#l1404">1404</a><td> }<tr><td><a name="l1405" href="#l1405">1405</a><td><tr><td><a name="l1406" href="#l1406">1406</a><td> if (opt_modifier) {<tr><td><a name="l1407" href="#l1407">1407</a><td> return className + '-' + rename(opt_modifier);<tr><td><a name="l1408" href="#l1408">1408</a><td> } else {<tr><td><a name="l1409" href="#l1409">1409</a><td> return rename(className);<tr><td><a name="l1410" href="#l1410">1410</a><td> }<tr><td><a name="l1411" href="#l1411">1411</a><td>};<tr><td><a name="l1412" href="#l1412">1412</a><td><tr><td><a name="l1413" href="#l1413">1413</a><td><tr><td><a name="l1414" href="#l1414">1414</a><td>/**<tr><td><a name="l1415" href="#l1415">1415</a><td> * Sets the map to check when returning a value from goog.getCssName(). Example:<tr><td><a name="l1416" href="#l1416">1416</a><td> * <pre><tr><td><a name="l1417" href="#l1417">1417</a><td> * goog.setCssNameMapping({<tr><td><a name="l1418" href="#l1418">1418</a><td> * "goog": "a",<tr><td><a name="l1419" href="#l1419">1419</a><td> * "disabled": "b",<tr><td><a name="l1420" href="#l1420">1420</a><td> * });<tr><td><a name="l1421" href="#l1421">1421</a><td> *<tr><td><a name="l1422" href="#l1422">1422</a><td> * var x = goog.getCssName('goog');<tr><td><a name="l1423" href="#l1423">1423</a><td> * // The following evaluates to: "a a-b".<tr><td><a name="l1424" href="#l1424">1424</a><td> * goog.getCssName('goog') + ' ' + goog.getCssName(x, 'disabled')<tr><td><a name="l1425" href="#l1425">1425</a><td> * </pre><tr><td><a name="l1426" href="#l1426">1426</a><td> * When declared as a map of string literals to string literals, the JSCompiler<tr><td><a name="l1427" href="#l1427">1427</a><td> * will replace all calls to goog.getCssName() using the supplied map if the<tr><td><a name="l1428" href="#l1428">1428</a><td> * --closure_pass flag is set.<tr><td><a name="l1429" href="#l1429">1429</a><td> *<tr><td><a name="l1430" href="#l1430">1430</a><td> * @param {!Object} mapping A map of strings to strings where keys are possible<tr><td><a name="l1431" href="#l1431">1431</a><td> * arguments to goog.getCssName() and values are the corresponding values<tr><td><a name="l1432" href="#l1432">1432</a><td> * that should be returned.<tr><td><a name="l1433" href="#l1433">1433</a><td> * @param {string=} opt_style The style of css name mapping. There are two valid<tr><td><a name="l1434" href="#l1434">1434</a><td> * options: 'BY_PART', and 'BY_WHOLE'.<tr><td><a name="l1435" href="#l1435">1435</a><td> * @see goog.getCssName for a description.<tr><td><a name="l1436" href="#l1436">1436</a><td> */<tr><td><a name="l1437" href="#l1437">1437</a><td>goog.setCssNameMapping = function(mapping, opt_style) {<tr><td><a name="l1438" href="#l1438">1438</a><td> goog.cssNameMapping_ = mapping;<tr><td><a name="l1439" href="#l1439">1439</a><td> goog.cssNameMappingStyle_ = opt_style;<tr><td><a name="l1440" href="#l1440">1440</a><td>};<tr><td><a name="l1441" href="#l1441">1441</a><td><tr><td><a name="l1442" href="#l1442">1442</a><td><tr><td><a name="l1443" href="#l1443">1443</a><td>/**<tr><td><a name="l1444" href="#l1444">1444</a><td> * To use CSS renaming in compiled mode, one of the input files should have a<tr><td><a name="l1445" href="#l1445">1445</a><td> * call to goog.setCssNameMapping() with an object literal that the JSCompiler<tr><td><a name="l1446" href="#l1446">1446</a><td> * can extract and use to replace all calls to goog.getCssName(). In uncompiled<tr><td><a name="l1447" href="#l1447">1447</a><td> * mode, JavaScript code should be loaded before this base.js file that declares<tr><td><a name="l1448" href="#l1448">1448</a><td> * a global variable, CLOSURE_CSS_NAME_MAPPING, which is used below. This is<tr><td><a name="l1449" href="#l1449">1449</a><td> * to ensure that the mapping is loaded before any calls to goog.getCssName()<tr><td><a name="l1450" href="#l1450">1450</a><td> * are made in uncompiled mode.<tr><td><a name="l1451" href="#l1451">1451</a><td> *<tr><td><a name="l1452" href="#l1452">1452</a><td> * A hook for overriding the CSS name mapping.<tr><td><a name="l1453" href="#l1453">1453</a><td> * @type {Object|undefined}<tr><td><a name="l1454" href="#l1454">1454</a><td> */<tr><td><a name="l1455" href="#l1455">1455</a><td>goog.global.CLOSURE_CSS_NAME_MAPPING;<tr><td><a name="l1456" href="#l1456">1456</a><td><tr><td><a name="l1457" href="#l1457">1457</a><td><tr><td><a name="l1458" href="#l1458">1458</a><td>if (!COMPILED && goog.global.CLOSURE_CSS_NAME_MAPPING) {<tr><td><a name="l1459" href="#l1459">1459</a><td> // This does not call goog.setCssNameMapping() because the JSCompiler<tr><td><a name="l1460" href="#l1460">1460</a><td> // requires that goog.setCssNameMapping() be called with an object literal.<tr><td><a name="l1461" href="#l1461">1461</a><td> goog.cssNameMapping_ = goog.global.CLOSURE_CSS_NAME_MAPPING;<tr><td><a name="l1462" href="#l1462">1462</a><td>}<tr><td><a name="l1463" href="#l1463">1463</a><td><tr><td><a name="l1464" href="#l1464">1464</a><td><tr><td><a name="l1465" href="#l1465">1465</a><td>/**<tr><td><a name="l1466" href="#l1466">1466</a><td> * Gets a localized message.<tr><td><a name="l1467" href="#l1467">1467</a><td> *<tr><td><a name="l1468" href="#l1468">1468</a><td> * This function is a compiler primitive. If you give the compiler a localized<tr><td><a name="l1469" href="#l1469">1469</a><td> * message bundle, it will replace the string at compile-time with a localized<tr><td><a name="l1470" href="#l1470">1470</a><td> * version, and expand goog.getMsg call to a concatenated string.<tr><td><a name="l1471" href="#l1471">1471</a><td> *<tr><td><a name="l1472" href="#l1472">1472</a><td> * Messages must be initialized in the form:<tr><td><a name="l1473" href="#l1473">1473</a><td> * <code><tr><td><a name="l1474" href="#l1474">1474</a><td> * var MSG_NAME = goog.getMsg('Hello {$placeholder}', {'placeholder': 'world'});<tr><td><a name="l1475" href="#l1475">1475</a><td> * </code><tr><td><a name="l1476" href="#l1476">1476</a><td> *<tr><td><a name="l1477" href="#l1477">1477</a><td> * @param {string} str Translatable string, places holders in the form {$foo}.<tr><td><a name="l1478" href="#l1478">1478</a><td> * @param {Object=} opt_values Map of place holder name to value.<tr><td><a name="l1479" href="#l1479">1479</a><td> * @return {string} message with placeholders filled.<tr><td><a name="l1480" href="#l1480">1480</a><td> */<tr><td><a name="l1481" href="#l1481">1481</a><td>goog.getMsg = function(str, opt_values) {<tr><td><a name="l1482" href="#l1482">1482</a><td> var values = opt_values || {};<tr><td><a name="l1483" href="#l1483">1483</a><td> for (var key in values) {<tr><td><a name="l1484" href="#l1484">1484</a><td> var value = ('' + values[key]).replace(/\$/g, '$$$$');<tr><td><a name="l1485" href="#l1485">1485</a><td> str = str.replace(new RegExp('\\{\\$' + key + '\\}', 'gi'), value);<tr><td><a name="l1486" href="#l1486">1486</a><td> }<tr><td><a name="l1487" href="#l1487">1487</a><td> return str;<tr><td><a name="l1488" href="#l1488">1488</a><td>};<tr><td><a name="l1489" href="#l1489">1489</a><td><tr><td><a name="l1490" href="#l1490">1490</a><td><tr><td><a name="l1491" href="#l1491">1491</a><td>/**<tr><td><a name="l1492" href="#l1492">1492</a><td> * Gets a localized message. If the message does not have a translation, gives a<tr><td><a name="l1493" href="#l1493">1493</a><td> * fallback message.<tr><td><a name="l1494" href="#l1494">1494</a><td> *<tr><td><a name="l1495" href="#l1495">1495</a><td> * This is useful when introducing a new message that has not yet been<tr><td><a name="l1496" href="#l1496">1496</a><td> * translated into all languages.<tr><td><a name="l1497" href="#l1497">1497</a><td> *<tr><td><a name="l1498" href="#l1498">1498</a><td> * This function is a compiler primitive. Must be used in the form:<tr><td><a name="l1499" href="#l1499">1499</a><td> * <code>var x = goog.getMsgWithFallback(MSG_A, MSG_B);</code><tr><td><a name="l1500" href="#l1500">1500</a><td> * where MSG_A and MSG_B were initialized with goog.getMsg.<tr><td><a name="l1501" href="#l1501">1501</a><td> *<tr><td><a name="l1502" href="#l1502">1502</a><td> * @param {string} a The preferred message.<tr><td><a name="l1503" href="#l1503">1503</a><td> * @param {string} b The fallback message.<tr><td><a name="l1504" href="#l1504">1504</a><td> * @return {string} The best translated message.<tr><td><a name="l1505" href="#l1505">1505</a><td> */<tr><td><a name="l1506" href="#l1506">1506</a><td>goog.getMsgWithFallback = function(a, b) {<tr><td><a name="l1507" href="#l1507">1507</a><td> return a;<tr><td><a name="l1508" href="#l1508">1508</a><td>};<tr><td><a name="l1509" href="#l1509">1509</a><td><tr><td><a name="l1510" href="#l1510">1510</a><td><tr><td><a name="l1511" href="#l1511">1511</a><td>/**<tr><td><a name="l1512" href="#l1512">1512</a><td> * Exposes an unobfuscated global namespace path for the given object.<tr><td><a name="l1513" href="#l1513">1513</a><td> * Note that fields of the exported object *will* be obfuscated, unless they are<tr><td><a name="l1514" href="#l1514">1514</a><td> * exported in turn via this function or goog.exportProperty.<tr><td><a name="l1515" href="#l1515">1515</a><td> *<tr><td><a name="l1516" href="#l1516">1516</a><td> * Also handy for making public items that are defined in anonymous closures.<tr><td><a name="l1517" href="#l1517">1517</a><td> *<tr><td><a name="l1518" href="#l1518">1518</a><td> * ex. goog.exportSymbol('public.path.Foo', Foo);<tr><td><a name="l1519" href="#l1519">1519</a><td> *<tr><td><a name="l1520" href="#l1520">1520</a><td> * ex. goog.exportSymbol('public.path.Foo.staticFunction', Foo.staticFunction);<tr><td><a name="l1521" href="#l1521">1521</a><td> * public.path.Foo.staticFunction();<tr><td><a name="l1522" href="#l1522">1522</a><td> *<tr><td><a name="l1523" href="#l1523">1523</a><td> * ex. goog.exportSymbol('public.path.Foo.prototype.myMethod',<tr><td><a name="l1524" href="#l1524">1524</a><td> * Foo.prototype.myMethod);<tr><td><a name="l1525" href="#l1525">1525</a><td> * new public.path.Foo().myMethod();<tr><td><a name="l1526" href="#l1526">1526</a><td> *<tr><td><a name="l1527" href="#l1527">1527</a><td> * @param {string} publicPath Unobfuscated name to export.<tr><td><a name="l1528" href="#l1528">1528</a><td> * @param {*} object Object the name should point to.<tr><td><a name="l1529" href="#l1529">1529</a><td> * @param {Object=} opt_objectToExportTo The object to add the path to; default<tr><td><a name="l1530" href="#l1530">1530</a><td> * is goog.global.<tr><td><a name="l1531" href="#l1531">1531</a><td> */<tr><td><a name="l1532" href="#l1532">1532</a><td>goog.exportSymbol = function(publicPath, object, opt_objectToExportTo) {<tr><td><a name="l1533" href="#l1533">1533</a><td> goog.exportPath_(publicPath, object, opt_objectToExportTo);<tr><td><a name="l1534" href="#l1534">1534</a><td>};<tr><td><a name="l1535" href="#l1535">1535</a><td><tr><td><a name="l1536" href="#l1536">1536</a><td><tr><td><a name="l1537" href="#l1537">1537</a><td>/**<tr><td><a name="l1538" href="#l1538">1538</a><td> * Exports a property unobfuscated into the object's namespace.<tr><td><a name="l1539" href="#l1539">1539</a><td> * ex. goog.exportProperty(Foo, 'staticFunction', Foo.staticFunction);<tr><td><a name="l1540" href="#l1540">1540</a><td> * ex. goog.exportProperty(Foo.prototype, 'myMethod', Foo.prototype.myMethod);<tr><td><a name="l1541" href="#l1541">1541</a><td> * @param {Object} object Object whose static property is being exported.<tr><td><a name="l1542" href="#l1542">1542</a><td> * @param {string} publicName Unobfuscated name to export.<tr><td><a name="l1543" href="#l1543">1543</a><td> * @param {*} symbol Object the name should point to.<tr><td><a name="l1544" href="#l1544">1544</a><td> */<tr><td><a name="l1545" href="#l1545">1545</a><td>goog.exportProperty = function(object, publicName, symbol) {<tr><td><a name="l1546" href="#l1546">1546</a><td> object[publicName] = symbol;<tr><td><a name="l1547" href="#l1547">1547</a><td>};<tr><td><a name="l1548" href="#l1548">1548</a><td><tr><td><a name="l1549" href="#l1549">1549</a><td><tr><td><a name="l1550" href="#l1550">1550</a><td>/**<tr><td><a name="l1551" href="#l1551">1551</a><td> * Inherit the prototype methods from one constructor into another.<tr><td><a name="l1552" href="#l1552">1552</a><td> *<tr><td><a name="l1553" href="#l1553">1553</a><td> * Usage:<tr><td><a name="l1554" href="#l1554">1554</a><td> * <pre><tr><td><a name="l1555" href="#l1555">1555</a><td> * function ParentClass(a, b) { }<tr><td><a name="l1556" href="#l1556">1556</a><td> * ParentClass.prototype.foo = function(a) { }<tr><td><a name="l1557" href="#l1557">1557</a><td> *<tr><td><a name="l1558" href="#l1558">1558</a><td> * function ChildClass(a, b, c) {<tr><td><a name="l1559" href="#l1559">1559</a><td> * goog.base(this, a, b);<tr><td><a name="l1560" href="#l1560">1560</a><td> * }<tr><td><a name="l1561" href="#l1561">1561</a><td> * goog.inherits(ChildClass, ParentClass);<tr><td><a name="l1562" href="#l1562">1562</a><td> *<tr><td><a name="l1563" href="#l1563">1563</a><td> * var child = new ChildClass('a', 'b', 'see');<tr><td><a name="l1564" href="#l1564">1564</a><td> * child.foo(); // This works.<tr><td><a name="l1565" href="#l1565">1565</a><td> * </pre><tr><td><a name="l1566" href="#l1566">1566</a><td> *<tr><td><a name="l1567" href="#l1567">1567</a><td> * In addition, a superclass' implementation of a method can be invoked as<tr><td><a name="l1568" href="#l1568">1568</a><td> * follows:<tr><td><a name="l1569" href="#l1569">1569</a><td> *<tr><td><a name="l1570" href="#l1570">1570</a><td> * <pre><tr><td><a name="l1571" href="#l1571">1571</a><td> * ChildClass.prototype.foo = function(a) {<tr><td><a name="l1572" href="#l1572">1572</a><td> * ChildClass.superClass_.foo.call(this, a);<tr><td><a name="l1573" href="#l1573">1573</a><td> * // Other code here.<tr><td><a name="l1574" href="#l1574">1574</a><td> * };<tr><td><a name="l1575" href="#l1575">1575</a><td> * </pre><tr><td><a name="l1576" href="#l1576">1576</a><td> *<tr><td><a name="l1577" href="#l1577">1577</a><td> * @param {Function} childCtor Child class.<tr><td><a name="l1578" href="#l1578">1578</a><td> * @param {Function} parentCtor Parent class.<tr><td><a name="l1579" href="#l1579">1579</a><td> */<tr><td><a name="l1580" href="#l1580">1580</a><td>goog.inherits = function(childCtor, parentCtor) {<tr><td><a name="l1581" href="#l1581">1581</a><td> /** @constructor */<tr><td><a name="l1582" href="#l1582">1582</a><td> function tempCtor() {};<tr><td><a name="l1583" href="#l1583">1583</a><td> tempCtor.prototype = parentCtor.prototype;<tr><td><a name="l1584" href="#l1584">1584</a><td> childCtor.superClass_ = parentCtor.prototype;<tr><td><a name="l1585" href="#l1585">1585</a><td> childCtor.prototype = new tempCtor();<tr><td><a name="l1586" href="#l1586">1586</a><td> /** @override */<tr><td><a name="l1587" href="#l1587">1587</a><td> childCtor.prototype.constructor = childCtor;<tr><td><a name="l1588" href="#l1588">1588</a><td><tr><td><a name="l1589" href="#l1589">1589</a><td> /**<tr><td><a name="l1590" href="#l1590">1590</a><td> * Calls superclass constructor/method.<tr><td><a name="l1591" href="#l1591">1591</a><td> *<tr><td><a name="l1592" href="#l1592">1592</a><td> * This function is only available if you use goog.inherits to<tr><td><a name="l1593" href="#l1593">1593</a><td> * express inheritance relationships between classes.<tr><td><a name="l1594" href="#l1594">1594</a><td> *<tr><td><a name="l1595" href="#l1595">1595</a><td> * NOTE: This is a replacement for goog.base and for superClass_<tr><td><a name="l1596" href="#l1596">1596</a><td> * property defined in childCtor.<tr><td><a name="l1597" href="#l1597">1597</a><td> *<tr><td><a name="l1598" href="#l1598">1598</a><td> * @param {!Object} me Should always be "this".<tr><td><a name="l1599" href="#l1599">1599</a><td> * @param {string} methodName The method name to call. Calling<tr><td><a name="l1600" href="#l1600">1600</a><td> * superclass constructor can be done with the special string<tr><td><a name="l1601" href="#l1601">1601</a><td> * 'constructor'.<tr><td><a name="l1602" href="#l1602">1602</a><td> * @param {...*} var_args The arguments to pass to superclass<tr><td><a name="l1603" href="#l1603">1603</a><td> * method/constructor.<tr><td><a name="l1604" href="#l1604">1604</a><td> * @return {*} The return value of the superclass method/constructor.<tr><td><a name="l1605" href="#l1605">1605</a><td> */<tr><td><a name="l1606" href="#l1606">1606</a><td> childCtor.base = function(me, methodName, var_args) {<tr><td><a name="l1607" href="#l1607">1607</a><td> var args = Array.prototype.slice.call(arguments, 2);<tr><td><a name="l1608" href="#l1608">1608</a><td> return parentCtor.prototype[methodName].apply(me, args);<tr><td><a name="l1609" href="#l1609">1609</a><td> };<tr><td><a name="l1610" href="#l1610">1610</a><td>};<tr><td><a name="l1611" href="#l1611">1611</a><td><tr><td><a name="l1612" href="#l1612">1612</a><td><tr><td><a name="l1613" href="#l1613">1613</a><td>/**<tr><td><a name="l1614" href="#l1614">1614</a><td> * Call up to the superclass.<tr><td><a name="l1615" href="#l1615">1615</a><td> *<tr><td><a name="l1616" href="#l1616">1616</a><td> * If this is called from a constructor, then this calls the superclass<tr><td><a name="l1617" href="#l1617">1617</a><td> * constructor with arguments 1-N.<tr><td><a name="l1618" href="#l1618">1618</a><td> *<tr><td><a name="l1619" href="#l1619">1619</a><td> * If this is called from a prototype method, then you must pass the name of the<tr><td><a name="l1620" href="#l1620">1620</a><td> * method as the second argument to this function. If you do not, you will get a<tr><td><a name="l1621" href="#l1621">1621</a><td> * runtime error. This calls the superclass' method with arguments 2-N.<tr><td><a name="l1622" href="#l1622">1622</a><td> *<tr><td><a name="l1623" href="#l1623">1623</a><td> * This function only works if you use goog.inherits to express inheritance<tr><td><a name="l1624" href="#l1624">1624</a><td> * relationships between your classes.<tr><td><a name="l1625" href="#l1625">1625</a><td> *<tr><td><a name="l1626" href="#l1626">1626</a><td> * This function is a compiler primitive. At compile-time, the compiler will do<tr><td><a name="l1627" href="#l1627">1627</a><td> * macro expansion to remove a lot of the extra overhead that this function<tr><td><a name="l1628" href="#l1628">1628</a><td> * introduces. The compiler will also enforce a lot of the assumptions that this<tr><td><a name="l1629" href="#l1629">1629</a><td> * function makes, and treat it as a compiler error if you break them.<tr><td><a name="l1630" href="#l1630">1630</a><td> *<tr><td><a name="l1631" href="#l1631">1631</a><td> * @param {!Object} me Should always be "this".<tr><td><a name="l1632" href="#l1632">1632</a><td> * @param {*=} opt_methodName The method name if calling a super method.<tr><td><a name="l1633" href="#l1633">1633</a><td> * @param {...*} var_args The rest of the arguments.<tr><td><a name="l1634" href="#l1634">1634</a><td> * @return {*} The return value of the superclass method.<tr><td><a name="l1635" href="#l1635">1635</a><td> * @suppress {es5Strict} This method can not be used in strict mode, but<tr><td><a name="l1636" href="#l1636">1636</a><td> * all Closure Library consumers must depend on this file.<tr><td><a name="l1637" href="#l1637">1637</a><td> */<tr><td><a name="l1638" href="#l1638">1638</a><td>goog.base = function(me, opt_methodName, var_args) {<tr><td><a name="l1639" href="#l1639">1639</a><td> var caller = arguments.callee.caller;<tr><td><a name="l1640" href="#l1640">1640</a><td><tr><td><a name="l1641" href="#l1641">1641</a><td> if (goog.STRICT_MODE_COMPATIBLE || (goog.DEBUG && !caller)) {<tr><td><a name="l1642" href="#l1642">1642</a><td> throw Error('arguments.caller not defined. goog.base() cannot be used ' +<tr><td><a name="l1643" href="#l1643">1643</a><td> 'with strict mode code. See ' +<tr><td><a name="l1644" href="#l1644">1644</a><td> 'http://www.ecma-international.org/ecma-262/5.1/#sec-C');<tr><td><a name="l1645" href="#l1645">1645</a><td> }<tr><td><a name="l1646" href="#l1646">1646</a><td><tr><td><a name="l1647" href="#l1647">1647</a><td> if (caller.superClass_) {<tr><td><a name="l1648" href="#l1648">1648</a><td> // This is a constructor. Call the superclass constructor.<tr><td><a name="l1649" href="#l1649">1649</a><td> return caller.superClass_.constructor.apply(<tr><td><a name="l1650" href="#l1650">1650</a><td> me, Array.prototype.slice.call(arguments, 1));<tr><td><a name="l1651" href="#l1651">1651</a><td> }<tr><td><a name="l1652" href="#l1652">1652</a><td><tr><td><a name="l1653" href="#l1653">1653</a><td> var args = Array.prototype.slice.call(arguments, 2);<tr><td><a name="l1654" href="#l1654">1654</a><td> var foundCaller = false;<tr><td><a name="l1655" href="#l1655">1655</a><td> for (var ctor = me.constructor;<tr><td><a name="l1656" href="#l1656">1656</a><td> ctor; ctor = ctor.superClass_ && ctor.superClass_.constructor) {<tr><td><a name="l1657" href="#l1657">1657</a><td> if (ctor.prototype[opt_methodName] === caller) {<tr><td><a name="l1658" href="#l1658">1658</a><td> foundCaller = true;<tr><td><a name="l1659" href="#l1659">1659</a><td> } else if (foundCaller) {<tr><td><a name="l1660" href="#l1660">1660</a><td> return ctor.prototype[opt_methodName].apply(me, args);<tr><td><a name="l1661" href="#l1661">1661</a><td> }<tr><td><a name="l1662" href="#l1662">1662</a><td> }<tr><td><a name="l1663" href="#l1663">1663</a><td><tr><td><a name="l1664" href="#l1664">1664</a><td> // If we did not find the caller in the prototype chain, then one of two<tr><td><a name="l1665" href="#l1665">1665</a><td> // things happened:<tr><td><a name="l1666" href="#l1666">1666</a><td> // 1) The caller is an instance method.<tr><td><a name="l1667" href="#l1667">1667</a><td> // 2) This method was not called by the right caller.<tr><td><a name="l1668" href="#l1668">1668</a><td> if (me[opt_methodName] === caller) {<tr><td><a name="l1669" href="#l1669">1669</a><td> return me.constructor.prototype[opt_methodName].apply(me, args);<tr><td><a name="l1670" href="#l1670">1670</a><td> } else {<tr><td><a name="l1671" href="#l1671">1671</a><td> throw Error(<tr><td><a name="l1672" href="#l1672">1672</a><td> 'goog.base called from a method of one name ' +<tr><td><a name="l1673" href="#l1673">1673</a><td> 'to a method of a different name');<tr><td><a name="l1674" href="#l1674">1674</a><td> }<tr><td><a name="l1675" href="#l1675">1675</a><td>};<tr><td><a name="l1676" href="#l1676">1676</a><td><tr><td><a name="l1677" href="#l1677">1677</a><td><tr><td><a name="l1678" href="#l1678">1678</a><td>/**<tr><td><a name="l1679" href="#l1679">1679</a><td> * Allow for aliasing within scope functions. This function exists for<tr><td><a name="l1680" href="#l1680">1680</a><td> * uncompiled code - in compiled code the calls will be inlined and the aliases<tr><td><a name="l1681" href="#l1681">1681</a><td> * applied. In uncompiled code the function is simply run since the aliases as<tr><td><a name="l1682" href="#l1682">1682</a><td> * written are valid JavaScript.<tr><td><a name="l1683" href="#l1683">1683</a><td> * @param {function()} fn Function to call. This function can contain aliases<tr><td><a name="l1684" href="#l1684">1684</a><td> * to namespaces (e.g. "var dom = goog.dom") or classes<tr><td><a name="l1685" href="#l1685">1685</a><td> * (e.g. "var Timer = goog.Timer").<tr><td><a name="l1686" href="#l1686">1686</a><td> */<tr><td><a name="l1687" href="#l1687">1687</a><td>goog.scope = function(fn) {<tr><td><a name="l1688" href="#l1688">1688</a><td> fn.call(goog.global);<tr><td><a name="l1689" href="#l1689">1689</a><td>};<tr><td><a name="l1690" href="#l1690">1690</a><td><tr><td><a name="l1691" href="#l1691">1691</a><td><tr><td><a name="l1692" href="#l1692">1692</a><td>/*<tr><td><a name="l1693" href="#l1693">1693</a><td> * To support uncompiled, strict mode bundles that use eval to divide source<tr><td><a name="l1694" href="#l1694">1694</a><td> * like so:<tr><td><a name="l1695" href="#l1695">1695</a><td> * eval('someSource;//# sourceUrl sourcefile.js');<tr><td><a name="l1696" href="#l1696">1696</a><td> * We need to export the globally defined symbols "goog" and "COMPILED".<tr><td><a name="l1697" href="#l1697">1697</a><td> * Exporting "goog" breaks the compiler optimizations, so we required that<tr><td><a name="l1698" href="#l1698">1698</a><td> * be defined externally.<tr><td><a name="l1699" href="#l1699">1699</a><td> * NOTE: We don't use goog.exportSymbol here because we don't want to trigger<tr><td><a name="l1700" href="#l1700">1700</a><td> * extern generation when that compiler option is enabled.<tr><td><a name="l1701" href="#l1701">1701</a><td> */<tr><td><a name="l1702" href="#l1702">1702</a><td>if (!COMPILED) {<tr><td><a name="l1703" href="#l1703">1703</a><td> goog.global['COMPILED'] = COMPILED;<tr><td><a name="l1704" href="#l1704">1704</a><td>}<tr><td><a name="l1705" href="#l1705">1705</a><td><tr><td><a name="l1706" href="#l1706">1706</a><td></table></pre></main><nav id="topnav"><div><div id="menubutton"><label for="sidenav-toggle">Menu</label></div><form id="searchbox"><div><input type="search" placeholder="Search" tabindex="1"></div></form></div></nav><nav id="sidenav"><input type="checkbox" id="sidenav-types-ctrl" /><input type="checkbox" id="sidenav-files-ctrl" /><input type="checkbox" id="sidenav-modules-ctrl" /><a id="sidenav-overview"><div><h4>Overview</h4></div></a><div id="sidenav-types"><label for="sidenav-types-ctrl"><h4>Types</h4></label><i>No data</i></div><div id="sidenav-modules"><label for="sidenav-modules-ctrl"><h4>Modules</h4></label><i>No data</i></div><div id="sidenav-files"><label for="sidenav-files-ctrl"><h4>Files</h4></label><i>No data</i></div><a href="license.html"><div><h4>License</h4></div></a></nav><div id="push-footer"></div></div><footer><a href="https://github.com/jleyba/js-dossier">Generated by dossier</a></footer><script src="../../../types.js"></script><script src="../../../dossier.js"></script> |