gitlab-org--gitlab-foss/doc/app/Gitlab/InlineDiff.html
Dmitriy Zaporozhets 1ea0dd0ffc App docs
2012-10-25 11:59:41 +03:00

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<h1 class="class">class Gitlab::InlineDiff</h1>
<div id="description" class="description">
</div><!-- description -->
<section id="5Buntitled-5D" class="documentation-section">
<!-- Constants -->
<section id="constants-list" class="section">
<h3 class="section-header">Constants</h3>
<dl>
<dt id="FINISH">FINISH
<dd class="description">
<dt id="START">START
<dd class="description">
</dl>
</section>
<!-- Methods -->
<section id="public-class-5Buntitled-5D-method-details" class="method-section section">
<h3 class="section-header">Public Class Methods</h3>
<div id="method-c-_indexes_of_changed_lines" class="method-detail ">
<div class="method-heading">
<span class="method-name">_indexes_of_changed_lines</span><span
class="method-args">(diff_arr)</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<div class="method-source-code" id="_indexes_of_changed_lines-source">
<pre><span class="ruby-comment"># File lib/gitlab/inline_diff.rb, line 42</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier">_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-value">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-value">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-value">1</span>
<span class="ruby-keyword">end</span>
<span class="ruby-identifier">indexes</span>
<span class="ruby-keyword">end</span></pre>
</div><!-- _indexes_of_changed_lines-source -->
</div>
</div><!-- _indexes_of_changed_lines-method -->
<div id="method-c-processing" class="method-detail ">
<div class="method-heading">
<span class="method-name">processing</span><span
class="method-args">(diff_arr)</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<div class="method-source-code" id="processing-source">
<pre><span class="ruby-comment"># File lib/gitlab/inline_diff.rb, line 8</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier">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-value">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-value">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-value">0</span>
(<span class="ruby-value">0</span><span class="ruby-operator">..</span><span class="ruby-identifier">max_length</span> <span class="ruby-operator">+</span> <span class="ruby-value">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-value">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-value">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-value">0</span><span class="ruby-operator">..</span><span class="ruby-identifier">first_the_same_symbols</span>][<span class="ruby-value">1</span><span class="ruby-operator">..</span><span class="ruby-value">-1</span>]
<span class="ruby-identifier">diff_arr</span>[<span class="ruby-identifier">index</span><span class="ruby-operator">+</span><span class="ruby-value">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-value">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-value">0</span>
(<span class="ruby-value">1</span><span class="ruby-operator">..</span><span class="ruby-identifier">max_length</span> <span class="ruby-operator">+</span> <span class="ruby-value">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-value">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-value">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-value">-1</span>]
<span class="ruby-identifier">diff_arr</span>[<span class="ruby-identifier">index</span><span class="ruby-operator">+</span><span class="ruby-value">1</span>].<span class="ruby-identifier">sub!</span>(<span class="ruby-node">%r#{Regexp.escape(last_token)}$/</span>, <span class="ruby-constant">FINISH</span> <span class="ruby-operator">+</span> <span class="ruby-identifier">last_token</span>)
<span class="ruby-identifier">diff_arr</span>[<span class="ruby-identifier">index</span><span class="ruby-operator">+</span><span class="ruby-value">2</span>].<span class="ruby-identifier">sub!</span>(<span class="ruby-node">%r#{Regexp.escape(last_token)}$/</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><!-- processing-source -->
</div>
</div><!-- processing-method -->
<div id="method-c-replace_markers" class="method-detail ">
<div class="method-heading">
<span class="method-name">replace_markers</span><span
class="method-args">(line)</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<div class="method-source-code" id="replace_markers-source">
<pre><span class="ruby-comment"># File lib/gitlab/inline_diff.rb, line 58</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier">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>
</div><!-- replace_markers-source -->
</div>
</div><!-- replace_markers-method -->
</section><!-- public-class-method-details -->
</section><!-- 5Buntitled-5D -->
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