142 lines
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142 lines
32 KiB
HTML
<!DOCTYPE html> <html> <head> <title>backend.csv.js</title> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <link rel="stylesheet" media="all" href="docco.css" /> </head> <body> <div id="container"> <div id="background"></div> <div id="jump_to"> Jump To … <div id="jump_wrapper"> <div id="jump_page"> <a class="source" href="backend.couchdb.html"> backend.couchdb.js </a> <a class="source" href="backend.csv.html"> backend.csv.js </a> <a class="source" href="backend.dataproxy.html"> backend.dataproxy.js </a> <a class="source" href="backend.elasticsearch.html"> backend.elasticsearch.js </a> <a class="source" href="backend.gdocs.html"> backend.gdocs.js </a> <a class="source" href="backend.memory.html"> backend.memory.js </a> <a class="source" href="costco.html"> costco.js </a> <a class="source" href="model.html"> model.js </a> <a class="source" href="view.graph.html"> view.graph.js </a> <a class="source" href="view.grid.html"> view.grid.js </a> <a class="source" href="view.map.html"> view.map.js </a> <a class="source" href="view.multiview.html"> view.multiview.js </a> <a class="source" href="view.slickgrid.html"> view.slickgrid.js </a> <a class="source" href="view.timeline.html"> view.timeline.js </a> <a class="source" href="view.transform.html"> view.transform.js </a> <a class="source" href="widget.facetviewer.html"> widget.facetviewer.js </a> <a class="source" href="widget.fields.html"> widget.fields.js </a> <a class="source" href="widget.filtereditor.html"> widget.filtereditor.js </a> <a class="source" href="widget.pager.html"> widget.pager.js </a> <a class="source" href="widget.queryeditor.html"> widget.queryeditor.js </a> </div> </div> </div> <table cellpadding="0" cellspacing="0"> <thead> <tr> <th class="docs"> <h1> backend.csv.js </h1> </th> <th class="code"> </th> </tr> </thead> <tbody> <tr id="section-1"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-1">¶</a> </div> </td> <td class="code"> <div class="highlight"><pre><span class="k">this</span><span class="p">.</span><span class="nx">recline</span> <span class="o">=</span> <span class="k">this</span><span class="p">.</span><span class="nx">recline</span> <span class="o">||</span> <span class="p">{};</span>
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<span class="k">this</span><span class="p">.</span><span class="nx">recline</span><span class="p">.</span><span class="nx">Backend</span> <span class="o">=</span> <span class="k">this</span><span class="p">.</span><span class="nx">recline</span><span class="p">.</span><span class="nx">Backend</span> <span class="o">||</span> <span class="p">{};</span>
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<span class="k">this</span><span class="p">.</span><span class="nx">recline</span><span class="p">.</span><span class="nx">Backend</span><span class="p">.</span><span class="nx">CSV</span> <span class="o">=</span> <span class="k">this</span><span class="p">.</span><span class="nx">recline</span><span class="p">.</span><span class="nx">Backend</span><span class="p">.</span><span class="nx">CSV</span> <span class="o">||</span> <span class="p">{};</span>
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<span class="p">(</span><span class="kd">function</span><span class="p">(</span><span class="nx">my</span><span class="p">)</span> <span class="p">{</span></pre></div> </td> </tr> <tr id="section-2"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-2">¶</a> </div> <h2>fetch</h2>
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<p>3 options</p>
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<ol>
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<li>CSV local fileobject -> HTML5 file object + CSV parser</li>
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<li>Already have CSV string (in data) attribute -> CSV parser</li>
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<li>online CSV file that is ajax-able -> ajax + csv parser</li>
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</ol>
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<p>All options generates similar data and give a memory store outcome</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nx">my</span><span class="p">.</span><span class="nx">fetch</span> <span class="o">=</span> <span class="kd">function</span><span class="p">(</span><span class="nx">dataset</span><span class="p">)</span> <span class="p">{</span>
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<span class="kd">var</span> <span class="nx">dfd</span> <span class="o">=</span> <span class="nx">$</span><span class="p">.</span><span class="nx">Deferred</span><span class="p">();</span>
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<span class="k">if</span> <span class="p">(</span><span class="nx">dataset</span><span class="p">.</span><span class="nx">file</span><span class="p">)</span> <span class="p">{</span>
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<span class="kd">var</span> <span class="nx">reader</span> <span class="o">=</span> <span class="k">new</span> <span class="nx">FileReader</span><span class="p">();</span>
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<span class="kd">var</span> <span class="nx">encoding</span> <span class="o">=</span> <span class="nx">dataset</span><span class="p">.</span><span class="nx">encoding</span> <span class="o">||</span> <span class="s1">'UTF-8'</span><span class="p">;</span>
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<span class="nx">reader</span><span class="p">.</span><span class="nx">onload</span> <span class="o">=</span> <span class="kd">function</span><span class="p">(</span><span class="nx">e</span><span class="p">)</span> <span class="p">{</span>
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<span class="kd">var</span> <span class="nx">rows</span> <span class="o">=</span> <span class="nx">my</span><span class="p">.</span><span class="nx">parseCSV</span><span class="p">(</span><span class="nx">e</span><span class="p">.</span><span class="nx">target</span><span class="p">.</span><span class="nx">result</span><span class="p">,</span> <span class="nx">dataset</span><span class="p">);</span>
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<span class="nx">dfd</span><span class="p">.</span><span class="nx">resolve</span><span class="p">({</span>
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<span class="nx">records</span><span class="o">:</span> <span class="nx">rows</span><span class="p">,</span>
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<span class="nx">metadata</span><span class="o">:</span> <span class="p">{</span>
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<span class="nx">filename</span><span class="o">:</span> <span class="nx">dataset</span><span class="p">.</span><span class="nx">file</span><span class="p">.</span><span class="nx">name</span>
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<span class="p">},</span>
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<span class="nx">useMemoryStore</span><span class="o">:</span> <span class="kc">true</span>
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<span class="p">});</span>
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<span class="p">};</span>
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<span class="nx">reader</span><span class="p">.</span><span class="nx">onerror</span> <span class="o">=</span> <span class="kd">function</span> <span class="p">(</span><span class="nx">e</span><span class="p">)</span> <span class="p">{</span>
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<span class="nx">alert</span><span class="p">(</span><span class="s1">'Failed to load file. Code: '</span> <span class="o">+</span> <span class="nx">e</span><span class="p">.</span><span class="nx">target</span><span class="p">.</span><span class="nx">error</span><span class="p">.</span><span class="nx">code</span><span class="p">);</span>
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<span class="p">};</span>
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<span class="nx">reader</span><span class="p">.</span><span class="nx">readAsText</span><span class="p">(</span><span class="nx">dataset</span><span class="p">.</span><span class="nx">file</span><span class="p">,</span> <span class="nx">encoding</span><span class="p">);</span>
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<span class="p">}</span> <span class="k">else</span> <span class="k">if</span> <span class="p">(</span><span class="nx">dataset</span><span class="p">.</span><span class="nx">data</span><span class="p">)</span> <span class="p">{</span>
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<span class="kd">var</span> <span class="nx">rows</span> <span class="o">=</span> <span class="nx">my</span><span class="p">.</span><span class="nx">parseCSV</span><span class="p">(</span><span class="nx">dataset</span><span class="p">.</span><span class="nx">data</span><span class="p">,</span> <span class="nx">dataset</span><span class="p">);</span>
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<span class="nx">dfd</span><span class="p">.</span><span class="nx">resolve</span><span class="p">({</span>
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<span class="nx">records</span><span class="o">:</span> <span class="nx">rows</span><span class="p">,</span>
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<span class="nx">useMemoryStore</span><span class="o">:</span> <span class="kc">true</span>
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<span class="p">});</span>
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<span class="p">}</span> <span class="k">else</span> <span class="k">if</span> <span class="p">(</span><span class="nx">dataset</span><span class="p">.</span><span class="nx">url</span><span class="p">)</span> <span class="p">{</span>
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<span class="nx">$</span><span class="p">.</span><span class="nx">get</span><span class="p">(</span><span class="nx">dataset</span><span class="p">.</span><span class="nx">url</span><span class="p">).</span><span class="nx">done</span><span class="p">(</span><span class="kd">function</span><span class="p">(</span><span class="nx">data</span><span class="p">)</span> <span class="p">{</span>
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<span class="kd">var</span> <span class="nx">rows</span> <span class="o">=</span> <span class="nx">my</span><span class="p">.</span><span class="nx">parseCSV</span><span class="p">(</span><span class="nx">dataset</span><span class="p">.</span><span class="nx">data</span><span class="p">,</span> <span class="nx">dataset</span><span class="p">);</span>
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<span class="nx">dfd</span><span class="p">.</span><span class="nx">resolve</span><span class="p">({</span>
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<span class="nx">records</span><span class="o">:</span> <span class="nx">rows</span><span class="p">,</span>
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<span class="nx">useMemoryStore</span><span class="o">:</span> <span class="kc">true</span>
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<span class="p">});</span>
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<span class="p">});</span>
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<span class="p">}</span>
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<span class="k">return</span> <span class="nx">dfd</span><span class="p">.</span><span class="nx">promise</span><span class="p">();</span>
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<span class="p">};</span></pre></div> </td> </tr> <tr id="section-3"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-3">¶</a> </div> <p>Converts a Comma Separated Values string into an array of arrays.
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Each line in the CSV becomes an array.</p>
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<p>Empty fields are converted to nulls and non-quoted numbers are converted to integers or floats.</p>
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<p>@return The CSV parsed as an array
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@type Array</p>
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<p>@param {String} s The string to convert
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@param {Object} options Options for loading CSV including
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@param {Boolean} [trim=false] If set to True leading and trailing whitespace is stripped off of each non-quoted field as it is imported
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@param {String} [separator=','] Separator for CSV file
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Heavily based on uselesscode's JS CSV parser (MIT Licensed):
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http://www.uselesscode.org/javascript/csv/</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nx">my</span><span class="p">.</span><span class="nx">parseCSV</span><span class="o">=</span> <span class="kd">function</span><span class="p">(</span><span class="nx">s</span><span class="p">,</span> <span class="nx">options</span><span class="p">)</span> <span class="p">{</span></pre></div> </td> </tr> <tr id="section-4"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-4">¶</a> </div> <p>Get rid of any trailing \n</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nx">s</span> <span class="o">=</span> <span class="nx">chomp</span><span class="p">(</span><span class="nx">s</span><span class="p">);</span>
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<span class="kd">var</span> <span class="nx">options</span> <span class="o">=</span> <span class="nx">options</span> <span class="o">||</span> <span class="p">{};</span>
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<span class="kd">var</span> <span class="nx">trm</span> <span class="o">=</span> <span class="p">(</span><span class="nx">options</span><span class="p">.</span><span class="nx">trim</span> <span class="o">===</span> <span class="kc">false</span><span class="p">)</span> <span class="o">?</span> <span class="kc">false</span> <span class="o">:</span> <span class="kc">true</span><span class="p">;</span>
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<span class="kd">var</span> <span class="nx">separator</span> <span class="o">=</span> <span class="nx">options</span><span class="p">.</span><span class="nx">separator</span> <span class="o">||</span> <span class="s1">','</span><span class="p">;</span>
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<span class="kd">var</span> <span class="nx">delimiter</span> <span class="o">=</span> <span class="nx">options</span><span class="p">.</span><span class="nx">delimiter</span> <span class="o">||</span> <span class="s1">'"'</span><span class="p">;</span>
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<span class="kd">var</span> <span class="nx">cur</span> <span class="o">=</span> <span class="s1">''</span><span class="p">,</span> <span class="c1">// The character we are currently processing.</span>
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<span class="nx">inQuote</span> <span class="o">=</span> <span class="kc">false</span><span class="p">,</span>
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<span class="nx">fieldQuoted</span> <span class="o">=</span> <span class="kc">false</span><span class="p">,</span>
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<span class="nx">field</span> <span class="o">=</span> <span class="s1">''</span><span class="p">,</span> <span class="c1">// Buffer for building up the current field</span>
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<span class="nx">row</span> <span class="o">=</span> <span class="p">[],</span>
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<span class="nx">out</span> <span class="o">=</span> <span class="p">[],</span>
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<span class="nx">i</span><span class="p">,</span>
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<span class="nx">processField</span><span class="p">;</span>
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<span class="nx">processField</span> <span class="o">=</span> <span class="kd">function</span> <span class="p">(</span><span class="nx">field</span><span class="p">)</span> <span class="p">{</span>
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<span class="k">if</span> <span class="p">(</span><span class="nx">fieldQuoted</span> <span class="o">!==</span> <span class="kc">true</span><span class="p">)</span> <span class="p">{</span></pre></div> </td> </tr> <tr id="section-5"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-5">¶</a> </div> <p>If field is empty set to null</p> </td> <td class="code"> <div class="highlight"><pre> <span class="k">if</span> <span class="p">(</span><span class="nx">field</span> <span class="o">===</span> <span class="s1">''</span><span class="p">)</span> <span class="p">{</span>
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<span class="nx">field</span> <span class="o">=</span> <span class="kc">null</span><span class="p">;</span></pre></div> </td> </tr> <tr id="section-6"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-6">¶</a> </div> <p>If the field was not quoted and we are trimming fields, trim it</p> </td> <td class="code"> <div class="highlight"><pre> <span class="p">}</span> <span class="k">else</span> <span class="k">if</span> <span class="p">(</span><span class="nx">trm</span> <span class="o">===</span> <span class="kc">true</span><span class="p">)</span> <span class="p">{</span>
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<span class="nx">field</span> <span class="o">=</span> <span class="nx">trim</span><span class="p">(</span><span class="nx">field</span><span class="p">);</span>
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<span class="p">}</span></pre></div> </td> </tr> <tr id="section-7"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-7">¶</a> </div> <p>Convert unquoted numbers to their appropriate types</p> </td> <td class="code"> <div class="highlight"><pre> <span class="k">if</span> <span class="p">(</span><span class="nx">rxIsInt</span><span class="p">.</span><span class="nx">test</span><span class="p">(</span><span class="nx">field</span><span class="p">))</span> <span class="p">{</span>
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<span class="nx">field</span> <span class="o">=</span> <span class="nb">parseInt</span><span class="p">(</span><span class="nx">field</span><span class="p">,</span> <span class="mi">10</span><span class="p">);</span>
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<span class="p">}</span> <span class="k">else</span> <span class="k">if</span> <span class="p">(</span><span class="nx">rxIsFloat</span><span class="p">.</span><span class="nx">test</span><span class="p">(</span><span class="nx">field</span><span class="p">))</span> <span class="p">{</span>
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<span class="nx">field</span> <span class="o">=</span> <span class="nb">parseFloat</span><span class="p">(</span><span class="nx">field</span><span class="p">,</span> <span class="mi">10</span><span class="p">);</span>
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<span class="p">}</span>
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<span class="p">}</span>
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<span class="k">return</span> <span class="nx">field</span><span class="p">;</span>
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<span class="p">};</span>
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<span class="k">for</span> <span class="p">(</span><span class="nx">i</span> <span class="o">=</span> <span class="mi">0</span><span class="p">;</span> <span class="nx">i</span> <span class="o"><</span> <span class="nx">s</span><span class="p">.</span><span class="nx">length</span><span class="p">;</span> <span class="nx">i</span> <span class="o">+=</span> <span class="mi">1</span><span class="p">)</span> <span class="p">{</span>
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<span class="nx">cur</span> <span class="o">=</span> <span class="nx">s</span><span class="p">.</span><span class="nx">charAt</span><span class="p">(</span><span class="nx">i</span><span class="p">);</span></pre></div> </td> </tr> <tr id="section-8"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-8">¶</a> </div> <p>If we are at a EOF or EOR</p> </td> <td class="code"> <div class="highlight"><pre> <span class="k">if</span> <span class="p">(</span><span class="nx">inQuote</span> <span class="o">===</span> <span class="kc">false</span> <span class="o">&&</span> <span class="p">(</span><span class="nx">cur</span> <span class="o">===</span> <span class="nx">separator</span> <span class="o">||</span> <span class="nx">cur</span> <span class="o">===</span> <span class="s2">"\n"</span><span class="p">))</span> <span class="p">{</span>
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<span class="nx">field</span> <span class="o">=</span> <span class="nx">processField</span><span class="p">(</span><span class="nx">field</span><span class="p">);</span></pre></div> </td> </tr> <tr id="section-9"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-9">¶</a> </div> <p>Add the current field to the current row</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nx">row</span><span class="p">.</span><span class="nx">push</span><span class="p">(</span><span class="nx">field</span><span class="p">);</span></pre></div> </td> </tr> <tr id="section-10"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-10">¶</a> </div> <p>If this is EOR append row to output and flush row</p> </td> <td class="code"> <div class="highlight"><pre> <span class="k">if</span> <span class="p">(</span><span class="nx">cur</span> <span class="o">===</span> <span class="s2">"\n"</span><span class="p">)</span> <span class="p">{</span>
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<span class="nx">out</span><span class="p">.</span><span class="nx">push</span><span class="p">(</span><span class="nx">row</span><span class="p">);</span>
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<span class="nx">row</span> <span class="o">=</span> <span class="p">[];</span>
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<span class="p">}</span></pre></div> </td> </tr> <tr id="section-11"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-11">¶</a> </div> <p>Flush the field buffer</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nx">field</span> <span class="o">=</span> <span class="s1">''</span><span class="p">;</span>
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<span class="nx">fieldQuoted</span> <span class="o">=</span> <span class="kc">false</span><span class="p">;</span>
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<span class="p">}</span> <span class="k">else</span> <span class="p">{</span></pre></div> </td> </tr> <tr id="section-12"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-12">¶</a> </div> <p>If it's not a delimiter, add it to the field buffer</p> </td> <td class="code"> <div class="highlight"><pre> <span class="k">if</span> <span class="p">(</span><span class="nx">cur</span> <span class="o">!==</span> <span class="nx">delimiter</span><span class="p">)</span> <span class="p">{</span>
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<span class="nx">field</span> <span class="o">+=</span> <span class="nx">cur</span><span class="p">;</span>
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<span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
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<span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="nx">inQuote</span><span class="p">)</span> <span class="p">{</span></pre></div> </td> </tr> <tr id="section-13"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-13">¶</a> </div> <p>We are not in a quote, start a quote</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nx">inQuote</span> <span class="o">=</span> <span class="kc">true</span><span class="p">;</span>
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<span class="nx">fieldQuoted</span> <span class="o">=</span> <span class="kc">true</span><span class="p">;</span>
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<span class="p">}</span> <span class="k">else</span> <span class="p">{</span></pre></div> </td> </tr> <tr id="section-14"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-14">¶</a> </div> <p>Next char is delimiter, this is an escaped delimiter</p> </td> <td class="code"> <div class="highlight"><pre> <span class="k">if</span> <span class="p">(</span><span class="nx">s</span><span class="p">.</span><span class="nx">charAt</span><span class="p">(</span><span class="nx">i</span> <span class="o">+</span> <span class="mi">1</span><span class="p">)</span> <span class="o">===</span> <span class="nx">delimiter</span><span class="p">)</span> <span class="p">{</span>
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<span class="nx">field</span> <span class="o">+=</span> <span class="nx">delimiter</span><span class="p">;</span></pre></div> </td> </tr> <tr id="section-15"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-15">¶</a> </div> <p>Skip the next char</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nx">i</span> <span class="o">+=</span> <span class="mi">1</span><span class="p">;</span>
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<span class="p">}</span> <span class="k">else</span> <span class="p">{</span></pre></div> </td> </tr> <tr id="section-16"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-16">¶</a> </div> <p>It's not escaping, so end quote</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nx">inQuote</span> <span class="o">=</span> <span class="kc">false</span><span class="p">;</span>
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<span class="p">}</span>
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<span class="p">}</span>
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<span class="p">}</span>
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<span class="p">}</span>
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<span class="p">}</span></pre></div> </td> </tr> <tr id="section-17"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-17">¶</a> </div> <p>Add the last field</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nx">field</span> <span class="o">=</span> <span class="nx">processField</span><span class="p">(</span><span class="nx">field</span><span class="p">);</span>
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<span class="nx">row</span><span class="p">.</span><span class="nx">push</span><span class="p">(</span><span class="nx">field</span><span class="p">);</span>
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<span class="nx">out</span><span class="p">.</span><span class="nx">push</span><span class="p">(</span><span class="nx">row</span><span class="p">);</span>
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<span class="k">return</span> <span class="nx">out</span><span class="p">;</span>
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<span class="p">};</span>
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<span class="kd">var</span> <span class="nx">rxIsInt</span> <span class="o">=</span> <span class="sr">/^\d+$/</span><span class="p">,</span>
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<span class="nx">rxIsFloat</span> <span class="o">=</span> <span class="sr">/^\d*\.\d+$|^\d+\.\d*$/</span><span class="p">,</span></pre></div> </td> </tr> <tr id="section-18"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-18">¶</a> </div> <p>If a string has leading or trailing space,
|
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contains a comma double quote or a newline
|
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it needs to be quoted in CSV output</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nx">rxNeedsQuoting</span> <span class="o">=</span> <span class="sr">/^\s|\s$|,|"|\n/</span><span class="p">,</span>
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<span class="nx">trim</span> <span class="o">=</span> <span class="p">(</span><span class="kd">function</span> <span class="p">()</span> <span class="p">{</span></pre></div> </td> </tr> <tr id="section-19"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-19">¶</a> </div> <p>Fx 3.1 has a native trim function, it's about 10x faster, use it if it exists</p> </td> <td class="code"> <div class="highlight"><pre> <span class="k">if</span> <span class="p">(</span><span class="nb">String</span><span class="p">.</span><span class="nx">prototype</span><span class="p">.</span><span class="nx">trim</span><span class="p">)</span> <span class="p">{</span>
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<span class="k">return</span> <span class="kd">function</span> <span class="p">(</span><span class="nx">s</span><span class="p">)</span> <span class="p">{</span>
|
|
<span class="k">return</span> <span class="nx">s</span><span class="p">.</span><span class="nx">trim</span><span class="p">();</span>
|
|
<span class="p">};</span>
|
|
<span class="p">}</span> <span class="k">else</span> <span class="p">{</span>
|
|
<span class="k">return</span> <span class="kd">function</span> <span class="p">(</span><span class="nx">s</span><span class="p">)</span> <span class="p">{</span>
|
|
<span class="k">return</span> <span class="nx">s</span><span class="p">.</span><span class="nx">replace</span><span class="p">(</span><span class="sr">/^\s*/</span><span class="p">,</span> <span class="s1">''</span><span class="p">).</span><span class="nx">replace</span><span class="p">(</span><span class="sr">/\s*$/</span><span class="p">,</span> <span class="s1">''</span><span class="p">);</span>
|
|
<span class="p">};</span>
|
|
<span class="p">}</span>
|
|
<span class="p">}());</span>
|
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|
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<span class="kd">function</span> <span class="nx">chomp</span><span class="p">(</span><span class="nx">s</span><span class="p">)</span> <span class="p">{</span>
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<span class="k">if</span> <span class="p">(</span><span class="nx">s</span><span class="p">.</span><span class="nx">charAt</span><span class="p">(</span><span class="nx">s</span><span class="p">.</span><span class="nx">length</span> <span class="o">-</span> <span class="mi">1</span><span class="p">)</span> <span class="o">!==</span> <span class="s2">"\n"</span><span class="p">)</span> <span class="p">{</span></pre></div> </td> </tr> <tr id="section-20"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-20">¶</a> </div> <p>Does not end with \n, just return string</p> </td> <td class="code"> <div class="highlight"><pre> <span class="k">return</span> <span class="nx">s</span><span class="p">;</span>
|
|
<span class="p">}</span> <span class="k">else</span> <span class="p">{</span></pre></div> </td> </tr> <tr id="section-21"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-21">¶</a> </div> <p>Remove the \n</p> </td> <td class="code"> <div class="highlight"><pre> <span class="k">return</span> <span class="nx">s</span><span class="p">.</span><span class="nx">substring</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="nx">s</span><span class="p">.</span><span class="nx">length</span> <span class="o">-</span> <span class="mi">1</span><span class="p">);</span>
|
|
<span class="p">}</span>
|
|
<span class="p">}</span>
|
|
|
|
|
|
<span class="p">}(</span><span class="k">this</span><span class="p">.</span><span class="nx">recline</span><span class="p">.</span><span class="nx">Backend</span><span class="p">.</span><span class="nx">CSV</span><span class="p">));</span>
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</pre></div> </td> </tr> </tbody> </table> </div> </body> </html> |