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<title>Module: Erubis::PercentLineEnhancer</title>
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<td><strong>Module</strong></td>
<td class="class-name-in-header">Erubis::PercentLineEnhancer</td>
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<td><strong>In:</strong></td>
<td>
<a href="../../files/erubis/enhancer_rb.html">
erubis/enhancer.rb
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<p>
regards lines starting with ’%’ as program code
</p>
<p>
this is for compatibility to eruby and <a href="../ERB.html">ERB</a>.
</p>
<p>
this is language-independent.
</p>
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<h3 class="section-bar">Methods</h3>
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<a href="#M000173">add_text</a>
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<h3 class="section-bar">Public Instance methods</h3>
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<span class="method-name">add_text</span><span class="method-args">(src, text)</span>
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<pre>
<span class="ruby-comment cmt"># File erubis/enhancer.rb, line 449</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">add_text</span>(<span class="ruby-identifier">src</span>, <span class="ruby-identifier">text</span>)
<span class="ruby-identifier">pos</span> = <span class="ruby-value">0</span>
<span class="ruby-identifier">text2</span> = <span class="ruby-value str">''</span>
<span class="ruby-identifier">text</span>.<span class="ruby-identifier">scan</span>(<span class="ruby-regexp re">/^\%(.*?\r?\n)/</span>) <span class="ruby-keyword kw">do</span>
<span class="ruby-identifier">line</span> = <span class="ruby-identifier">$1</span>
<span class="ruby-identifier">match</span> = <span class="ruby-constant">Regexp</span>.<span class="ruby-identifier">last_match</span>
<span class="ruby-identifier">len</span> = <span class="ruby-identifier">match</span>.<span class="ruby-identifier">begin</span>(<span class="ruby-value">0</span>) <span class="ruby-operator">-</span> <span class="ruby-identifier">pos</span>
<span class="ruby-identifier">str</span> = <span class="ruby-identifier">text</span>[<span class="ruby-identifier">pos</span>, <span class="ruby-identifier">len</span>]
<span class="ruby-identifier">pos</span> = <span class="ruby-identifier">match</span>.<span class="ruby-identifier">end</span>(<span class="ruby-value">0</span>)
<span class="ruby-keyword kw">if</span> <span class="ruby-identifier">text2</span>.<span class="ruby-identifier">empty?</span>
<span class="ruby-identifier">text2</span> = <span class="ruby-identifier">str</span>
<span class="ruby-keyword kw">else</span>
<span class="ruby-identifier">text2</span> <span class="ruby-operator"><<</span> <span class="ruby-identifier">str</span>
<span class="ruby-keyword kw">end</span>
<span class="ruby-keyword kw">if</span> <span class="ruby-identifier">line</span>[<span class="ruby-value">0</span>] <span class="ruby-operator">==</span> <span class="ruby-value">?%</span>
<span class="ruby-identifier">text2</span> <span class="ruby-operator"><<</span> <span class="ruby-identifier">line</span>
<span class="ruby-keyword kw">else</span>
<span class="ruby-keyword kw">super</span>(<span class="ruby-identifier">src</span>, <span class="ruby-identifier">text2</span>)
<span class="ruby-identifier">text2</span> = <span class="ruby-value str">''</span>
<span class="ruby-identifier">add_stmt</span>(<span class="ruby-identifier">src</span>, <span class="ruby-identifier">line</span>)
<span class="ruby-keyword kw">end</span>
<span class="ruby-keyword kw">end</span>
<span class="ruby-comment cmt">#rest = pos == 0 ? text : $' # ruby1.8</span>
<span class="ruby-identifier">rest</span> = <span class="ruby-identifier">pos</span> <span class="ruby-operator">==</span> <span class="ruby-value">0</span> <span class="ruby-operator">?</span> <span class="ruby-identifier">text</span> <span class="ruby-operator">:</span> <span class="ruby-identifier">text</span>[<span class="ruby-identifier">pos</span><span class="ruby-operator">..</span><span class="ruby-value">-1</span>] <span class="ruby-comment cmt"># ruby1.9</span>
<span class="ruby-keyword kw">unless</span> <span class="ruby-identifier">text2</span>.<span class="ruby-identifier">empty?</span>
<span class="ruby-identifier">text2</span> <span class="ruby-operator"><<</span> <span class="ruby-identifier">rest</span> <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">rest</span>
<span class="ruby-identifier">rest</span> = <span class="ruby-identifier">text2</span>
<span class="ruby-keyword kw">end</span>
<span class="ruby-keyword kw">super</span>(<span class="ruby-identifier">src</span>, <span class="ruby-identifier">rest</span>)
<span class="ruby-keyword kw">end</span>
</pre>
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