File: //usr/share/doc/ruby-erubis/doc-api/classes/Erubis/PrefixedLineEnhancer.html
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<title>Module: Erubis::PrefixedLineEnhancer</title>
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<td><strong>Module</strong></td>
<td class="class-name-in-header">Erubis::PrefixedLineEnhancer</td>
</tr>
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<td><strong>In:</strong></td>
<td>
<a href="../../files/erubis/enhancer_rb.html">
erubis/enhancer.rb
</a>
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<p>
regards lines starting with ’^[ \t]*%’ as program code
</p>
<p>
in addition you can specify prefix character (default ’%’)
</p>
<p>
this is language-independent.
</p>
</div>
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<div id="method-list">
<h3 class="section-bar">Methods</h3>
<div class="name-list">
<a href="#M000005">add_text</a>
<a href="#M000004">init_generator</a>
</div>
</div>
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<h3 class="section-bar">Public Instance methods</h3>
<div id="method-M000005" class="method-detail">
<a name="M000005"></a>
<div class="method-heading">
<a href="#M000005" class="method-signature">
<span class="method-name">add_text</span><span class="method-args">(src, text)</span>
</a>
</div>
<div class="method-description">
<p><a class="source-toggle" href="#"
onclick="toggleCode('M000005-source');return false;">[Source]</a></p>
<div class="method-source-code" id="M000005-source">
<pre>
<span class="ruby-comment cmt"># File erubis/enhancer.rb, line 454</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-keyword kw">unless</span> <span class="ruby-ivar">@prefixrexp</span>
<span class="ruby-ivar">@prefixchar</span> <span class="ruby-operator">||=</span> <span class="ruby-value str">'%'</span>
<span class="ruby-ivar">@prefixrexp</span> = <span class="ruby-constant">Regexp</span>.<span class="ruby-identifier">compile</span>(<span class="ruby-node">"^([ \\t]*)\\#{@prefixchar}(.*?\\r?\\n)"</span>)
<span class="ruby-keyword kw">end</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-ivar">@prefixrexp</span>) <span class="ruby-keyword kw">do</span>
<span class="ruby-identifier">space</span> = <span class="ruby-identifier">$1</span>
<span class="ruby-identifier">line</span> = <span class="ruby-identifier">$2</span>
<span class="ruby-identifier">space</span>, <span class="ruby-identifier">line</span> = <span class="ruby-value str">''</span>, <span class="ruby-identifier">$1</span> <span class="ruby-keyword kw">unless</span> <span class="ruby-identifier">$2</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-value">1</span>] <span class="ruby-operator">==</span> <span class="ruby-ivar">@prefixchar</span>
<span class="ruby-identifier">text2</span> <span class="ruby-operator"><<</span> <span class="ruby-identifier">space</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">space</span> <span class="ruby-operator">+</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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<div id="method-M000004" class="method-detail">
<a name="M000004"></a>
<div class="method-heading">
<a href="#M000004" class="method-signature">
<span class="method-name">init_generator</span><span class="method-args">(properties={})</span>
</a>
</div>
<div class="method-description">
<p><a class="source-toggle" href="#"
onclick="toggleCode('M000004-source');return false;">[Source]</a></p>
<div class="method-source-code" id="M000004-source">
<pre>
<span class="ruby-comment cmt"># File erubis/enhancer.rb, line 449</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">init_generator</span>(<span class="ruby-identifier">properties</span>={})
<span class="ruby-keyword kw">super</span>
<span class="ruby-ivar">@prefixchar</span> = <span class="ruby-identifier">properties</span>[<span class="ruby-identifier">:prefixchar</span>]
<span class="ruby-keyword kw">end</span>
</pre>
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