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<h3>dump <span class="subtitle">3.0.0</span></h3>
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<div class="highlight" ><pre><span class="c">/**</span>
<span class="c"> * Returns a simple string representation of the object or array.</span>
<span class="c"> * Other types of objects will be returned unprocessed. Arrays</span>
<span class="c"> * are expected to be indexed. Use object notation for</span>
<span class="c"> * associative arrays.</span>
<span class="c"> *</span>
<span class="c"> * If included, the dump method is added to the YUI instance.</span>
<span class="c"> *</span>
<span class="c"> * @module dump</span>
<span class="c"> */</span>
<span class="k">var</span> <span class="nx">L</span><span class="o">=</span><span class="nx">Y</span><span class="o">.</span><span class="nx">Lang</span><span class="o">,</span> <span class="nx">OBJ</span><span class="o">=</span><span class="s1">'{...}'</span><span class="o">,</span> <span class="nx">FUN</span><span class="o">=</span><span class="s1">'f(){...}'</span><span class="o">,</span> <span class="nx">COMMA</span><span class="o">=</span><span class="s1">', '</span><span class="o">,</span> <span class="nx">ARROW</span><span class="o">=</span><span class="s1">' => '</span><span class="o">,</span>
<span class="c">/**</span>
<span class="c"> * The following methods are added to the YUI instance</span>
<span class="c"> * @class YUI~dump</span>
<span class="c"> */</span>
<span class="c">/**</span>
<span class="c"> * Returns a simple string representation of the object or array.</span>
<span class="c"> * Other types of objects will be returned unprocessed. Arrays</span>
<span class="c"> * are expected to be indexed. Use object notation for</span>
<span class="c"> * associative arrays.</span>
<span class="c"> *</span>
<span class="c"> * @TODO dumping a window is causing an unhandled exception in</span>
<span class="c"> * FireFox.</span>
<span class="c"> *</span>
<span class="c"> * This method is in the 'dump' module, which is not bundled with</span>
<span class="c"> * the core YUI object</span>
<span class="c"> *</span>
<span class="c"> * @method dump</span>
<span class="c"> * @param o {object} The object to dump</span>
<span class="c"> * @param d {int} How deep to recurse child objects, default 3</span>
<span class="c"> * @return {string} the dump result</span>
<span class="c"> */</span>
<span class="nx">dump</span> <span class="o">=</span> <span class="k">function</span><span class="o">(</span><span class="nx">o</span><span class="o">,</span> <span class="nx">d</span><span class="o">)</span> <span class="o">{</span>
<span class="k">var</span> <span class="nx">i</span><span class="o">,</span> <span class="nx">len</span><span class="o">,</span> <span class="nx">s</span> <span class="o">=</span> <span class="o">[],</span> <span class="nx">type</span> <span class="o">=</span> <span class="nx">L</span><span class="o">.</span><span class="nx">type</span><span class="o">(</span><span class="nx">o</span><span class="o">);</span>
<span class="c">// Cast non-objects to string</span>
<span class="c"></span> <span class="c">// Skip dates because the std toString is what we want</span>
<span class="c"></span> <span class="c">// Skip HTMLElement-like objects because trying to dump </span>
<span class="c"></span> <span class="c">// an element will cause an unhandled exception in FF 2.x</span>
<span class="c"></span> <span class="k">if</span> <span class="o">(!</span><span class="nx">L</span><span class="o">.</span><span class="nx">isObject</span><span class="o">(</span><span class="nx">o</span><span class="o">))</span> <span class="o">{</span>
<span class="k">return</span> <span class="nx">o</span> <span class="o">+</span> <span class="s2">""</span><span class="o">;</span>
<span class="o">}</span> <span class="k">else</span> <span class="k">if</span> <span class="o">(</span><span class="nx">type</span> <span class="o">==</span> <span class="s2">"date"</span><span class="o">)</span> <span class="o">{</span>
<span class="k">return</span> <span class="nx">o</span><span class="o">;</span>
<span class="o">}</span> <span class="k">else</span> <span class="k">if</span> <span class="o">(</span><span class="nx">o</span><span class="o">.</span><span class="nx">nodeType</span> <span class="o">&&</span> <span class="nx">o</span><span class="o">.</span><span class="nx">tagName</span><span class="o">)</span> <span class="o">{</span>
<span class="k">return</span> <span class="nx">o</span><span class="o">.</span><span class="nx">tagName</span> <span class="o">+</span> <span class="s1">'#'</span> <span class="o">+</span> <span class="nx">o</span><span class="o">.</span><span class="nx">id</span><span class="o">;</span>
<span class="o">}</span> <span class="k">else</span> <span class="k">if</span> <span class="o">(</span><span class="nx">o</span><span class="o">.</span><span class="nb">document</span> <span class="o">&&</span> <span class="nx">o</span><span class="o">.</span><span class="nx">navigator</span><span class="o">)</span> <span class="o">{</span>
<span class="k">return</span> <span class="s1">'window'</span><span class="o">;</span>
<span class="o">}</span> <span class="k">else</span> <span class="k">if</span> <span class="o">(</span><span class="nx">o</span><span class="o">.</span><span class="nx">location</span> <span class="o">&&</span> <span class="nx">o</span><span class="o">.</span><span class="nx">body</span><span class="o">)</span> <span class="o">{</span>
<span class="k">return</span> <span class="s1">'document'</span><span class="o">;</span>
<span class="o">}</span> <span class="k">else</span> <span class="k">if</span> <span class="o">(</span><span class="nx">type</span> <span class="o">==</span> <span class="s2">"function"</span><span class="o">)</span> <span class="o">{</span>
<span class="k">return</span> <span class="nx">FUN</span><span class="o">;</span>
<span class="o">}</span>
<span class="c">// dig into child objects the depth specifed. Default 3</span>
<span class="c"></span> <span class="nx">d</span> <span class="o">=</span> <span class="o">(</span><span class="nx">L</span><span class="o">.</span><span class="nx">isNumber</span><span class="o">(</span><span class="nx">d</span><span class="o">))</span> <span class="o">?</span> <span class="nx">d</span> <span class="o">:</span> <span class="m">3</span><span class="o">;</span>
<span class="c">// arrays [1, 2, 3]</span>
<span class="c"></span> <span class="k">if</span> <span class="o">(</span><span class="nx">type</span> <span class="o">==</span> <span class="s2">"array"</span><span class="o">)</span> <span class="o">{</span>
<span class="nx">s</span><span class="o">.</span><span class="nx">push</span><span class="o">(</span><span class="s2">"["</span><span class="o">);</span>
<span class="k">for</span> <span class="o">(</span><span class="nx">i</span><span class="o">=</span><span class="m">0</span><span class="o">,</span><span class="nx">len</span><span class="o">=</span><span class="nx">o</span><span class="o">.</span><span class="nx">length</span><span class="o">;</span><span class="nx">i</span><span class="o"><</span><span class="nx">len</span><span class="o">;</span><span class="nx">i</span><span class="o">=</span><span class="nx">i</span><span class="o">+</span><span class="m">1</span><span class="o">)</span> <span class="o">{</span>
<span class="k">if</span> <span class="o">(</span><span class="nx">L</span><span class="o">.</span><span class="nx">isObject</span><span class="o">(</span><span class="nx">o</span><span class="o">[</span><span class="nx">i</span><span class="o">]))</span> <span class="o">{</span>
<span class="nx">s</span><span class="o">.</span><span class="nx">push</span><span class="o">((</span><span class="nx">d</span> <span class="o">></span> <span class="m">0</span><span class="o">)</span> <span class="o">?</span> <span class="nx">L</span><span class="o">.</span><span class="nx">dump</span><span class="o">(</span><span class="nx">o</span><span class="o">[</span><span class="nx">i</span><span class="o">],</span> <span class="nx">d</span><span class="o">-</span><span class="m">1</span><span class="o">)</span> <span class="o">:</span> <span class="nx">OBJ</span><span class="o">);</span>
<span class="o">}</span> <span class="k">else</span> <span class="o">{</span>
<span class="nx">s</span><span class="o">.</span><span class="nx">push</span><span class="o">(</span><span class="nx">o</span><span class="o">[</span><span class="nx">i</span><span class="o">]);</span>
<span class="o">}</span>
<span class="nx">s</span><span class="o">.</span><span class="nx">push</span><span class="o">(</span><span class="nx">COMMA</span><span class="o">);</span>
<span class="o">}</span>
<span class="k">if</span> <span class="o">(</span><span class="nx">s</span><span class="o">.</span><span class="nx">length</span> <span class="o">></span> <span class="m">1</span><span class="o">)</span> <span class="o">{</span>
<span class="nx">s</span><span class="o">.</span><span class="nx">pop</span><span class="o">();</span>
<span class="o">}</span>
<span class="nx">s</span><span class="o">.</span><span class="nx">push</span><span class="o">(</span><span class="s2">"]"</span><span class="o">);</span>
<span class="c">// regexp /foo/</span>
<span class="c"></span> <span class="o">}</span> <span class="k">else</span> <span class="k">if</span> <span class="o">(</span><span class="nx">type</span> <span class="o">==</span> <span class="s2">"regexp"</span><span class="o">)</span> <span class="o">{</span>
<span class="nx">s</span><span class="o">.</span><span class="nx">push</span><span class="o">(</span><span class="nx">o</span><span class="o">.</span><span class="nx">toString</span><span class="o">());</span>
<span class="c">// objects {k1 => v1, k2 => v2}</span>
<span class="c"></span> <span class="o">}</span> <span class="k">else</span> <span class="o">{</span>
<span class="nx">s</span><span class="o">.</span><span class="nx">push</span><span class="o">(</span><span class="s2">"{"</span><span class="o">);</span>
<span class="k">for</span> <span class="o">(</span><span class="nx">i</span> <span class="k">in</span> <span class="nx">o</span><span class="o">)</span> <span class="o">{</span>
<span class="k">if</span> <span class="o">(</span><span class="nx">o</span><span class="o">.</span><span class="nx">hasOwnProperty</span><span class="o">(</span><span class="nx">i</span><span class="o">))</span> <span class="o">{</span>
<span class="k">try</span> <span class="o">{</span>
<span class="nx">s</span><span class="o">.</span><span class="nx">push</span><span class="o">(</span><span class="nx">i</span> <span class="o">+</span> <span class="nx">ARROW</span><span class="o">);</span>
<span class="k">if</span> <span class="o">(</span><span class="nx">L</span><span class="o">.</span><span class="nx">isObject</span><span class="o">(</span><span class="nx">o</span><span class="o">[</span><span class="nx">i</span><span class="o">]))</span> <span class="o">{</span>
<span class="nx">s</span><span class="o">.</span><span class="nx">push</span><span class="o">((</span><span class="nx">d</span> <span class="o">></span> <span class="m">0</span><span class="o">)</span> <span class="o">?</span> <span class="nx">L</span><span class="o">.</span><span class="nx">dump</span><span class="o">(</span><span class="nx">o</span><span class="o">[</span><span class="nx">i</span><span class="o">],</span> <span class="nx">d</span><span class="o">-</span><span class="m">1</span><span class="o">)</span> <span class="o">:</span> <span class="nx">OBJ</span><span class="o">);</span>
<span class="o">}</span> <span class="k">else</span> <span class="o">{</span>
<span class="nx">s</span><span class="o">.</span><span class="nx">push</span><span class="o">(</span><span class="nx">o</span><span class="o">[</span><span class="nx">i</span><span class="o">]);</span>
<span class="o">}</span>
<span class="nx">s</span><span class="o">.</span><span class="nx">push</span><span class="o">(</span><span class="nx">COMMA</span><span class="o">);</span>
<span class="o">}</span> <span class="k">catch</span><span class="o">(</span><span class="nx">e</span><span class="o">)</span> <span class="o">{</span>
<span class="nx">s</span><span class="o">.</span><span class="nx">push</span><span class="o">(</span><span class="s1">'Error: '</span> <span class="o">+</span> <span class="nx">e</span><span class="o">.</span><span class="nx">message</span><span class="o">);</span>
<span class="o">}</span>
<span class="o">}</span>
<span class="o">}</span>
<span class="k">if</span> <span class="o">(</span><span class="nx">s</span><span class="o">.</span><span class="nx">length</span> <span class="o">></span> <span class="m">1</span><span class="o">)</span> <span class="o">{</span>
<span class="nx">s</span><span class="o">.</span><span class="nx">pop</span><span class="o">();</span>
<span class="o">}</span>
<span class="nx">s</span><span class="o">.</span><span class="nx">push</span><span class="o">(</span><span class="s2">"}"</span><span class="o">);</span>
<span class="o">}</span>
<span class="k">return</span> <span class="nx">s</span><span class="o">.</span><span class="nx">join</span><span class="o">(</span><span class="s2">""</span><span class="o">);</span>
<span class="o">};</span>
<span class="nx">Y</span><span class="o">.</span><span class="nx">dump</span> <span class="o">=</span> <span class="nx">dump</span><span class="o">;</span>
<span class="nx">L</span><span class="o">.</span><span class="nx">dump</span> <span class="o">=</span> <span class="nx">dump</span><span class="o">;</span>
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