File: //usr/share/doc/ruby-erubis/doc-api/classes/Erubis/PI/TinyEruby.html
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<title>Class: Erubis::PI::TinyEruby</title>
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<div id="classHeader">
<table class="header-table">
<tr class="top-aligned-row">
<td><strong>Class</strong></td>
<td class="class-name-in-header">Erubis::PI::TinyEruby</td>
</tr>
<tr class="top-aligned-row">
<td><strong>In:</strong></td>
<td>
<a href="../../../files/erubis/tiny_rb.html">
erubis/tiny.rb
</a>
<br />
</td>
</tr>
<tr class="top-aligned-row">
<td><strong>Parent:</strong></td>
<td>
Object
</td>
</tr>
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<!-- banner header -->
<div id="bodyContent">
<div id="contextContent">
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<div id="method-list">
<h3 class="section-bar">Methods</h3>
<div class="name-list">
<a href="#M000053">convert</a>
<a href="#M000055">evaluate</a>
<a href="#M000052">new</a>
<a href="#M000054">result</a>
</div>
</div>
</div>
<!-- if includes -->
<div id="section">
<div id="constants-list">
<h3 class="section-bar">Constants</h3>
<div class="name-list">
<table summary="Constants">
<tr class="top-aligned-row context-row">
<td class="context-item-name">EMBEDDED_PATTERN</td>
<td>=</td>
<td class="context-item-value">/(^[ \t]*)?<\?rb(\s.*?)\?>([ \t]*\r?\n)?|@(!+)?\{(.*?)\}@/m</td>
</tr>
</table>
</div>
</div>
<div id="attribute-list">
<h3 class="section-bar">Attributes</h3>
<div class="name-list">
<table>
<tr class="top-aligned-row context-row">
<td class="context-item-name">src</td>
<td class="context-item-value"> [R] </td>
<td class="context-item-desc"></td>
</tr>
</table>
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<!-- if method_list -->
<div id="methods">
<h3 class="section-bar">Public Class methods</h3>
<div id="method-M000052" class="method-detail">
<a name="M000052"></a>
<div class="method-heading">
<a href="#M000052" class="method-signature">
<span class="method-name">new</span><span class="method-args">(input=nil, options={})</span>
</a>
</div>
<div class="method-description">
<p><a class="source-toggle" href="#"
onclick="toggleCode('M000052-source');return false;">[Source]</a></p>
<div class="method-source-code" id="M000052-source">
<pre>
<span class="ruby-comment cmt"># File erubis/tiny.rb, line 79</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">initialize</span>(<span class="ruby-identifier">input</span>=<span class="ruby-keyword kw">nil</span>, <span class="ruby-identifier">options</span>={})
<span class="ruby-ivar">@escape</span> = <span class="ruby-identifier">options</span>[<span class="ruby-identifier">:escape</span>] <span class="ruby-operator">||</span> <span class="ruby-value str">'Erubis::XmlHelper.escape_xml'</span>
<span class="ruby-ivar">@src</span> = <span class="ruby-identifier">convert</span>(<span class="ruby-identifier">input</span>) <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">input</span>
<span class="ruby-keyword kw">end</span>
</pre>
</div>
</div>
</div>
<h3 class="section-bar">Public Instance methods</h3>
<div id="method-M000053" class="method-detail">
<a name="M000053"></a>
<div class="method-heading">
<a href="#M000053" class="method-signature">
<span class="method-name">convert</span><span class="method-args">(input)</span>
</a>
</div>
<div class="method-description">
<p><a class="source-toggle" href="#"
onclick="toggleCode('M000053-source');return false;">[Source]</a></p>
<div class="method-source-code" id="M000053-source">
<pre>
<span class="ruby-comment cmt"># File erubis/tiny.rb, line 88</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">convert</span>(<span class="ruby-identifier">input</span>)
<span class="ruby-identifier">src</span> = <span class="ruby-value str">"_buf = '';"</span> <span class="ruby-comment cmt"># preamble</span>
<span class="ruby-identifier">pos</span> = <span class="ruby-value">0</span>
<span class="ruby-identifier">input</span>.<span class="ruby-identifier">scan</span>(<span class="ruby-constant">EMBEDDED_PATTERN</span>) <span class="ruby-keyword kw">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">lspace</span>, <span class="ruby-identifier">stmt</span>, <span class="ruby-identifier">rspace</span>, <span class="ruby-identifier">indicator</span>, <span class="ruby-identifier">expr</span><span class="ruby-operator">|</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">text</span> = <span class="ruby-identifier">input</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-comment cmt">#src << " _buf << '" << escape_text(text) << "';"</span>
<span class="ruby-identifier">text</span>.<span class="ruby-identifier">gsub!</span>(<span class="ruby-regexp re">/['\\]/</span>, <span class="ruby-value str">'\\\\\&'</span>)
<span class="ruby-identifier">src</span> <span class="ruby-operator"><<</span> <span class="ruby-value str">" _buf << '"</span> <span class="ruby-operator"><<</span> <span class="ruby-identifier">text</span> <span class="ruby-operator"><<</span> <span class="ruby-value str">"';"</span> <span class="ruby-keyword kw">unless</span> <span class="ruby-identifier">text</span>.<span class="ruby-identifier">empty?</span>
<span class="ruby-keyword kw">if</span> <span class="ruby-identifier">stmt</span> <span class="ruby-comment cmt"># <?rb ... ?></span>
<span class="ruby-keyword kw">if</span> <span class="ruby-identifier">lspace</span> <span class="ruby-operator">&&</span> <span class="ruby-identifier">rspace</span>
<span class="ruby-identifier">src</span> <span class="ruby-operator"><<</span> <span class="ruby-node">"#{lspace}#{stmt}#{rspace}"</span>
<span class="ruby-keyword kw">else</span>
<span class="ruby-identifier">src</span> <span class="ruby-operator"><<</span> <span class="ruby-value str">" _buf << '"</span> <span class="ruby-operator"><<</span> <span class="ruby-identifier">lspace</span> <span class="ruby-operator"><<</span> <span class="ruby-value str">"';"</span> <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">lspace</span>
<span class="ruby-identifier">src</span> <span class="ruby-operator"><<</span> <span class="ruby-identifier">stmt</span> <span class="ruby-operator"><<</span> <span class="ruby-value str">";"</span>
<span class="ruby-identifier">src</span> <span class="ruby-operator"><<</span> <span class="ruby-value str">" _buf << '"</span> <span class="ruby-operator"><<</span> <span class="ruby-identifier">rspace</span> <span class="ruby-operator"><<</span> <span class="ruby-value str">"';"</span> <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">rspace</span>
<span class="ruby-keyword kw">end</span>
<span class="ruby-keyword kw">else</span> <span class="ruby-comment cmt"># ${...}, $!{...}</span>
<span class="ruby-keyword kw">if</span> <span class="ruby-operator">!</span><span class="ruby-identifier">indicator</span>
<span class="ruby-identifier">src</span> <span class="ruby-operator"><<</span> <span class="ruby-value str">" _buf << "</span> <span class="ruby-operator"><<</span> <span class="ruby-ivar">@escape</span> <span class="ruby-operator"><<</span> <span class="ruby-value str">"("</span> <span class="ruby-operator"><<</span> <span class="ruby-identifier">expr</span> <span class="ruby-operator"><<</span> <span class="ruby-value str">");"</span>
<span class="ruby-keyword kw">elsif</span> <span class="ruby-identifier">indicator</span> <span class="ruby-operator">==</span> <span class="ruby-value str">'!'</span>
<span class="ruby-identifier">src</span> <span class="ruby-operator"><<</span> <span class="ruby-value str">" _buf << ("</span> <span class="ruby-operator"><<</span> <span class="ruby-identifier">expr</span> <span class="ruby-operator"><<</span> <span class="ruby-value str">").to_s;"</span>
<span class="ruby-keyword kw">end</span>
<span class="ruby-keyword kw">end</span>
<span class="ruby-keyword kw">end</span>
<span class="ruby-comment cmt">#rest = $' || input # 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">input</span> <span class="ruby-operator">:</span> <span class="ruby-identifier">input</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-comment cmt">#src << " _buf << '" << escape_text(rest) << "';"</span>
<span class="ruby-identifier">rest</span>.<span class="ruby-identifier">gsub!</span>(<span class="ruby-regexp re">/['\\]/</span>, <span class="ruby-value str">'\\\\\&'</span>)
<span class="ruby-identifier">src</span> <span class="ruby-operator"><<</span> <span class="ruby-value str">" _buf << '"</span> <span class="ruby-operator"><<</span> <span class="ruby-identifier">rest</span> <span class="ruby-operator"><<</span> <span class="ruby-value str">"';"</span> <span class="ruby-keyword kw">unless</span> <span class="ruby-identifier">rest</span>.<span class="ruby-identifier">empty?</span>
<span class="ruby-identifier">src</span> <span class="ruby-operator"><<</span> <span class="ruby-value str">"\n_buf.to_s\n"</span> <span class="ruby-comment cmt"># postamble</span>
<span class="ruby-keyword kw">return</span> <span class="ruby-identifier">src</span>
<span class="ruby-keyword kw">end</span>
</pre>
</div>
</div>
</div>
<div id="method-M000055" class="method-detail">
<a name="M000055"></a>
<div class="method-heading">
<a href="#M000055" class="method-signature">
<span class="method-name">evaluate</span><span class="method-args">(_context=Object.new)</span>
</a>
</div>
<div class="method-description">
<p><a class="source-toggle" href="#"
onclick="toggleCode('M000055-source');return false;">[Source]</a></p>
<div class="method-source-code" id="M000055-source">
<pre>
<span class="ruby-comment cmt"># File erubis/tiny.rb, line 132</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">evaluate</span>(<span class="ruby-identifier">_context</span>=<span class="ruby-constant">Object</span>.<span class="ruby-identifier">new</span>)
<span class="ruby-keyword kw">if</span> <span class="ruby-identifier">_context</span>.<span class="ruby-identifier">is_a?</span>(<span class="ruby-constant">Hash</span>)
<span class="ruby-identifier">_obj</span> = <span class="ruby-constant">Object</span>.<span class="ruby-identifier">new</span>
<span class="ruby-identifier">_context</span>.<span class="ruby-identifier">each</span> <span class="ruby-keyword kw">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">k</span>, <span class="ruby-identifier">v</span><span class="ruby-operator">|</span> <span class="ruby-identifier">_obj</span>.<span class="ruby-identifier">instance_variable_set</span>(<span class="ruby-node">"@#{k}"</span>, <span class="ruby-identifier">v</span>) <span class="ruby-keyword kw">end</span>
<span class="ruby-identifier">_context</span> = <span class="ruby-identifier">_obj</span>
<span class="ruby-keyword kw">end</span>
<span class="ruby-identifier">_context</span>.<span class="ruby-identifier">instance_eval</span> <span class="ruby-ivar">@src</span>
<span class="ruby-keyword kw">end</span>
</pre>
</div>
</div>
</div>
<div id="method-M000054" class="method-detail">
<a name="M000054"></a>
<div class="method-heading">
<a href="#M000054" class="method-signature">
<span class="method-name">result</span><span class="method-args">(_binding=TOPLEVEL_BINDING)</span>
</a>
</div>
<div class="method-description">
<p>
def escape_text(text)
</p>
<pre>
return text.gsub!(/['\\]/, '\\\\\&') || text
</pre>
<p>
end
</p>
<p><a class="source-toggle" href="#"
onclick="toggleCode('M000054-source');return false;">[Source]</a></p>
<div class="method-source-code" id="M000054-source">
<pre>
<span class="ruby-comment cmt"># File erubis/tiny.rb, line 128</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">result</span>(<span class="ruby-identifier">_binding</span>=<span class="ruby-constant">TOPLEVEL_BINDING</span>)
<span class="ruby-identifier">eval</span> <span class="ruby-ivar">@src</span>, <span class="ruby-identifier">_binding</span>
<span class="ruby-keyword kw">end</span>
</pre>
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