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<title>Module: Erubis::BiPatternEnhancer</title>
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<td><strong>Module</strong></td>
<td class="class-name-in-header">Erubis::BiPatternEnhancer</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>
enable to use other embedded expression pattern (default is ’\[=
=\]’).
</p>
<p>
notice! this is an experimental. spec may change in the future.
</p>
<p>
ex.
</p>
<pre>
input = <<END
<% for item in list %>
<%= item %> : <%== item %>
[= item =] : [== item =]
<% end %>
END
class BiPatternEruby
include BiPatternEnhancer
end
eruby = BiPatternEruby.new(input, :bipattern=>'\[= =\]')
list = ['<a>', 'b&b', '"c"']
print eruby.result(binding())
## output
<a> : &lt;a&gt;
<a> : &lt;a&gt;
b&b : b&amp;b
b&b : b&amp;b
"c" : &quot;c&quot;
"c" : &quot;c&quot;
</pre>
<p>
this is language independent.
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<h3 class="section-bar">Methods</h3>
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<a href="#M000150">add_text</a>
<a href="#M000149">new</a>
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<h3 class="section-bar">Public Class methods</h3>
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<a name="M000149"></a>
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<a href="#M000149" class="method-signature">
<span class="method-name">new</span><span class="method-args">(input, properties={})</span>
</a>
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<p><a class="source-toggle" href="#"
onclick="toggleCode('M000149-source');return false;">[Source]</a></p>
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<pre>
<span class="ruby-comment cmt"># File erubis/enhancer.rb, line 408</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">initialize</span>(<span class="ruby-identifier">input</span>, <span class="ruby-identifier">properties</span>={})
<span class="ruby-keyword kw">self</span>.<span class="ruby-identifier">bipattern</span> = <span class="ruby-identifier">properties</span>[<span class="ruby-identifier">:bipattern</span>] <span class="ruby-comment cmt"># or '\$\{ \}'</span>
<span class="ruby-keyword kw">super</span>
<span class="ruby-keyword kw">end</span>
</pre>
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<h3 class="section-bar">Public Instance methods</h3>
<div id="method-M000150" class="method-detail">
<a name="M000150"></a>
<div class="method-heading">
<a href="#M000150" class="method-signature">
<span class="method-name">add_text</span><span class="method-args">(src, text)</span>
</a>
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<p><a class="source-toggle" href="#"
onclick="toggleCode('M000150-source');return false;">[Source]</a></p>
<div class="method-source-code" id="M000150-source">
<pre>
<span class="ruby-comment cmt"># File erubis/enhancer.rb, line 420</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">return</span> <span class="ruby-keyword kw">unless</span> <span class="ruby-identifier">text</span>
<span class="ruby-identifier">m</span> = <span class="ruby-keyword kw">nil</span>
<span class="ruby-identifier">text</span>.<span class="ruby-identifier">scan</span>(<span class="ruby-ivar">@bipattern_regexp</span>) <span class="ruby-keyword kw">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">txt</span>, <span class="ruby-identifier">indicator</span>, <span class="ruby-identifier">code</span><span class="ruby-operator">|</span>
<span class="ruby-identifier">m</span> = <span class="ruby-constant">Regexp</span>.<span class="ruby-identifier">last_match</span>
<span class="ruby-keyword kw">super</span>(<span class="ruby-identifier">src</span>, <span class="ruby-identifier">txt</span>)
<span class="ruby-identifier">add_expr</span>(<span class="ruby-identifier">src</span>, <span class="ruby-identifier">code</span>, <span class="ruby-value str">'='</span> <span class="ruby-operator">+</span> <span class="ruby-identifier">indicator</span>)
<span class="ruby-keyword kw">end</span>
<span class="ruby-comment cmt">#rest = $' || text # ruby1.8</span>
<span class="ruby-identifier">rest</span> = <span class="ruby-identifier">m</span> <span class="ruby-value">? </span><span class="ruby-identifier">text</span>[<span class="ruby-identifier">m</span>.<span class="ruby-identifier">end</span>(<span class="ruby-value">0</span>)<span class="ruby-operator">..</span><span class="ruby-value">-1</span>] <span class="ruby-operator">:</span> <span class="ruby-identifier">text</span> <span class="ruby-comment cmt"># ruby1.9</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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