gitlabhq/doc/code/classes/Gitlab/InlineDiff.html
2012-12-30 14:43:00 +02:00

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<h1>
<span class="type">Class</span>
Gitlab::InlineDiff
<span class="parent">&lt;
Object
</span>
</h1>
<ul class="files">
<li><a href="../../files/lib/gitlab/inline_diff_rb.html">lib/gitlab/inline_diff.rb</a></li>
</ul>
</div>
<div id="bodyContent">
<div id="content">
<!-- Method ref -->
<div class="sectiontitle">Methods</div>
<dl class="methods">
<dt>#</dt>
<dd>
<ul>
<li>
<a href="#method-c-_indexes_of_changed_lines">_indexes_of_changed_lines</a>
</li>
</ul>
</dd>
<dt>P</dt>
<dd>
<ul>
<li>
<a href="#method-c-processing">processing</a>
</li>
</ul>
</dd>
<dt>R</dt>
<dd>
<ul>
<li>
<a href="#method-c-replace_markers">replace_markers</a>
</li>
</ul>
</dd>
</dl>
<!-- Section constants -->
<div class="sectiontitle">Constants</div>
<table border='0' cellpadding='5'>
<tr valign='top'>
<td class="attr-name">START</td>
<td>=</td>
<td class="attr-value">&quot;#!idiff-start!#&quot;</td>
</tr>
<tr valign='top'>
<td>&nbsp;</td>
<td colspan="2" class="attr-desc"></td>
</tr>
<tr valign='top'>
<td class="attr-name">FINISH</td>
<td>=</td>
<td class="attr-value">&quot;#!idiff-finish!#&quot;</td>
</tr>
<tr valign='top'>
<td>&nbsp;</td>
<td colspan="2" class="attr-desc"></td>
</tr>
</table>
<!-- Methods -->
<div class="sectiontitle">Class Public methods</div>
<div class="method">
<div class="title method-title" id="method-c-_indexes_of_changed_lines">
<b>_indexes_of_changed_lines</b>(diff_arr)
<a href="../../classes/Gitlab/InlineDiff.html#method-c-_indexes_of_changed_lines" name="method-c-_indexes_of_changed_lines" class="permalink">Link</a>
</div>
<div class="description">
</div>
<div class="sourcecode">
<p class="source-link">
Source:
<a href="javascript:toggleSource('method-c-_indexes_of_changed_lines_source')" id="l_method-c-_indexes_of_changed_lines_source">show</a>
</p>
<div id="method-c-_indexes_of_changed_lines_source" class="dyn-source">
<pre><span class="ruby-comment"># File lib/gitlab/inline_diff.rb, line 42</span>
<span class="ruby-keyword">def</span> <span class="ruby-keyword ruby-title">_indexes_of_changed_lines</span> <span class="ruby-identifier">diff_arr</span>
<span class="ruby-identifier">chain_of_first_symbols</span> = <span class="ruby-string">&quot;&quot;</span>
<span class="ruby-identifier">diff_arr</span>.<span class="ruby-identifier">each_with_index</span> <span class="ruby-keyword">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">line</span>, <span class="ruby-identifier">i</span><span class="ruby-operator">|</span>
<span class="ruby-identifier">chain_of_first_symbols</span> <span class="ruby-operator">+=</span> <span class="ruby-identifier">line</span>[<span class="ruby-number">0</span>]
<span class="ruby-keyword">end</span>
<span class="ruby-identifier">chain_of_first_symbols</span>.<span class="ruby-identifier">gsub!</span>(<span class="ruby-regexp">%r[^\-\+]/</span>, <span class="ruby-node">&quot;#&quot;</span>)
<span class="ruby-identifier">offset</span> = <span class="ruby-number">0</span>
<span class="ruby-identifier">indexes</span> = []
<span class="ruby-keyword">while</span> <span class="ruby-identifier">index</span> = <span class="ruby-identifier">chain_of_first_symbols</span>.<span class="ruby-identifier">index</span>(<span class="ruby-node">&quot;#-+#&quot;</span>, <span class="ruby-identifier">offset</span>)
<span class="ruby-identifier">indexes</span> <span class="ruby-operator">&lt;&lt;</span> <span class="ruby-identifier">index</span>
<span class="ruby-identifier">offset</span> = <span class="ruby-identifier">index</span> <span class="ruby-operator">+</span> <span class="ruby-number">1</span>
<span class="ruby-keyword">end</span>
<span class="ruby-identifier">indexes</span>
<span class="ruby-keyword">end</span></pre>
</div>
</div>
</div>
<div class="method">
<div class="title method-title" id="method-c-processing">
<b>processing</b>(diff_arr)
<a href="../../classes/Gitlab/InlineDiff.html#method-c-processing" name="method-c-processing" class="permalink">Link</a>
</div>
<div class="description">
</div>
<div class="sourcecode">
<p class="source-link">
Source:
<a href="javascript:toggleSource('method-c-processing_source')" id="l_method-c-processing_source">show</a>
</p>
<div id="method-c-processing_source" class="dyn-source">
<pre><span class="ruby-comment"># File lib/gitlab/inline_diff.rb, line 8</span>
<span class="ruby-keyword">def</span> <span class="ruby-keyword ruby-title">processing</span> <span class="ruby-identifier">diff_arr</span>
<span class="ruby-identifier">indexes</span> = <span class="ruby-identifier">_indexes_of_changed_lines</span> <span class="ruby-identifier">diff_arr</span>
<span class="ruby-identifier">indexes</span>.<span class="ruby-identifier">each</span> <span class="ruby-keyword">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">index</span><span class="ruby-operator">|</span>
<span class="ruby-identifier">first_line</span> = <span class="ruby-identifier">diff_arr</span>[<span class="ruby-identifier">index</span><span class="ruby-operator">+</span><span class="ruby-number">1</span>]
<span class="ruby-identifier">second_line</span> = <span class="ruby-identifier">diff_arr</span>[<span class="ruby-identifier">index</span><span class="ruby-operator">+</span><span class="ruby-number">2</span>]
<span class="ruby-identifier">max_length</span> = [<span class="ruby-identifier">first_line</span>.<span class="ruby-identifier">size</span>, <span class="ruby-identifier">second_line</span>.<span class="ruby-identifier">size</span>].<span class="ruby-identifier">max</span>
<span class="ruby-identifier">first_the_same_symbols</span> = <span class="ruby-number">0</span>
(<span class="ruby-number">0</span><span class="ruby-operator">..</span><span class="ruby-identifier">max_length</span> <span class="ruby-operator">+</span> <span class="ruby-number">1</span>).<span class="ruby-identifier">each</span> <span class="ruby-keyword">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">i</span><span class="ruby-operator">|</span>
<span class="ruby-identifier">first_the_same_symbols</span> = <span class="ruby-identifier">i</span> <span class="ruby-operator">-</span> <span class="ruby-number">1</span>
<span class="ruby-keyword">if</span> <span class="ruby-identifier">first_line</span>[<span class="ruby-identifier">i</span>] <span class="ruby-operator">!=</span> <span class="ruby-identifier">second_line</span>[<span class="ruby-identifier">i</span>] <span class="ruby-operator">&amp;&amp;</span> <span class="ruby-identifier">i</span> <span class="ruby-operator">&gt;</span> <span class="ruby-number">0</span>
<span class="ruby-keyword">break</span>
<span class="ruby-keyword">end</span>
<span class="ruby-keyword">end</span>
<span class="ruby-identifier">first_token</span> = <span class="ruby-identifier">first_line</span>[<span class="ruby-number">0</span><span class="ruby-operator">..</span><span class="ruby-identifier">first_the_same_symbols</span>][<span class="ruby-number">1</span><span class="ruby-operator">..</span><span class="ruby-number">-1</span>]
<span class="ruby-identifier">diff_arr</span>[<span class="ruby-identifier">index</span><span class="ruby-operator">+</span><span class="ruby-number">1</span>].<span class="ruby-identifier">sub!</span>(<span class="ruby-identifier">first_token</span>, <span class="ruby-identifier">first_token</span> <span class="ruby-operator">+</span> <span class="ruby-constant">START</span>)
<span class="ruby-identifier">diff_arr</span>[<span class="ruby-identifier">index</span><span class="ruby-operator">+</span><span class="ruby-number">2</span>].<span class="ruby-identifier">sub!</span>(<span class="ruby-identifier">first_token</span>, <span class="ruby-identifier">first_token</span> <span class="ruby-operator">+</span> <span class="ruby-constant">START</span>)
<span class="ruby-identifier">last_the_same_symbols</span> = <span class="ruby-number">0</span>
(<span class="ruby-number">1</span><span class="ruby-operator">..</span><span class="ruby-identifier">max_length</span> <span class="ruby-operator">+</span> <span class="ruby-number">1</span>).<span class="ruby-identifier">each</span> <span class="ruby-keyword">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">i</span><span class="ruby-operator">|</span>
<span class="ruby-identifier">last_the_same_symbols</span> = <span class="ruby-operator">-</span><span class="ruby-identifier">i</span>
<span class="ruby-identifier">shortest_line</span> = <span class="ruby-identifier">second_line</span>.<span class="ruby-identifier">size</span> <span class="ruby-operator">&gt;</span> <span class="ruby-identifier">first_line</span>.<span class="ruby-identifier">size</span> <span class="ruby-operator">?</span> <span class="ruby-identifier">first_line</span> <span class="ruby-operator">:</span> <span class="ruby-identifier">second_line</span>
<span class="ruby-keyword">if</span> ( <span class="ruby-identifier">first_line</span>[<span class="ruby-operator">-</span><span class="ruby-identifier">i</span>] <span class="ruby-operator">!=</span> <span class="ruby-identifier">second_line</span>[<span class="ruby-operator">-</span><span class="ruby-identifier">i</span>] ) <span class="ruby-operator">||</span> <span class="ruby-node">&quot;#{first_token}#{START}&quot;</span>.<span class="ruby-identifier">size</span> <span class="ruby-operator">==</span> <span class="ruby-identifier">shortest_line</span>[<span class="ruby-number">1</span><span class="ruby-operator">..</span><span class="ruby-operator">-</span><span class="ruby-identifier">i</span>].<span class="ruby-identifier">size</span>
<span class="ruby-keyword">break</span>
<span class="ruby-keyword">end</span>
<span class="ruby-keyword">end</span>
<span class="ruby-identifier">last_the_same_symbols</span> <span class="ruby-operator">+=</span> <span class="ruby-number">1</span>
<span class="ruby-identifier">last_token</span> = <span class="ruby-identifier">first_line</span>[<span class="ruby-identifier">last_the_same_symbols</span><span class="ruby-operator">..</span><span class="ruby-number">-1</span>]
<span class="ruby-identifier">diff_arr</span>[<span class="ruby-identifier">index</span><span class="ruby-operator">+</span><span class="ruby-number">1</span>].<span class="ruby-identifier">sub!</span>(<span class="ruby-node">%r#{Regexp.escape(last_token)}$/</span>, <span class="ruby-constant">FINISH</span> <span class="ruby-operator">+</span> <span class="ruby-identifier">last_token</span>)
<span class="ruby-identifier">diff_arr</span>[<span class="ruby-identifier">index</span><span class="ruby-operator">+</span><span class="ruby-number">2</span>].<span class="ruby-identifier">sub!</span>(<span class="ruby-node">%r#{Regexp.escape(last_token)}$/</span>, <span class="ruby-constant">FINISH</span> <span class="ruby-operator">+</span> <span class="ruby-identifier">last_token</span>)
<span class="ruby-keyword">end</span>
<span class="ruby-identifier">diff_arr</span>
<span class="ruby-keyword">end</span></pre>
</div>
</div>
</div>
<div class="method">
<div class="title method-title" id="method-c-replace_markers">
<b>replace_markers</b>(line)
<a href="../../classes/Gitlab/InlineDiff.html#method-c-replace_markers" name="method-c-replace_markers" class="permalink">Link</a>
</div>
<div class="description">
</div>
<div class="sourcecode">
<p class="source-link">
Source:
<a href="javascript:toggleSource('method-c-replace_markers_source')" id="l_method-c-replace_markers_source">show</a>
</p>
<div id="method-c-replace_markers_source" class="dyn-source">
<pre><span class="ruby-comment"># File lib/gitlab/inline_diff.rb, line 58</span>
<span class="ruby-keyword">def</span> <span class="ruby-keyword ruby-title">replace_markers</span> <span class="ruby-identifier">line</span>
<span class="ruby-identifier">line</span>.<span class="ruby-identifier">gsub!</span>(<span class="ruby-constant">START</span>, <span class="ruby-string">&quot;&lt;span class='idiff'&gt;&quot;</span>)
<span class="ruby-identifier">line</span>.<span class="ruby-identifier">gsub!</span>(<span class="ruby-constant">FINISH</span>, <span class="ruby-string">&quot;&lt;/span&gt;&quot;</span>)
<span class="ruby-identifier">line</span>
<span class="ruby-keyword">end</span></pre>
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