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<?xml version="1.0" encoding="iso-8859-1"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> <head> <title>Module: Erubis::Basic::Converter</title> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" /> <meta http-equiv="Content-Script-Type" content="text/javascript" /> <link rel="stylesheet" href="../../.././rdoc-style.css" type="text/css" media="screen" /> <script type="text/javascript"> // <![CDATA[ function popupCode( url ) { window.open(url, "Code", "resizable=yes,scrollbars=yes,toolbar=no,status=no,height=150,width=400") } function toggleCode( id ) { if ( document.getElementById ) elem = document.getElementById( id ); else if ( document.all ) elem = eval( "document.all." + id ); else return false; elemStyle = elem.style; if ( elemStyle.display != "block" ) { elemStyle.display = "block" } else { elemStyle.display = "none" } return true; } // Make codeblocks hidden by default document.writeln( "<style type=\"text/css\">div.method-source-code { display: none }</style>" ) // ]]> </script> </head> <body> <div id="classHeader"> <table class="header-table"> <tr class="top-aligned-row"> <td><strong>Module</strong></td> <td class="class-name-in-header">Erubis::Basic::Converter</td> </tr> <tr class="top-aligned-row"> <td><strong>In:</strong></td> <td> <a href="../../../files/erubis/converter_rb.html"> erubis/converter.rb </a> <br /> </td> </tr> </table> </div> <!-- banner header --> <div id="bodyContent"> <div id="contextContent"> <div id="description"> <p> basic converter which supports ’<% … %>’ notation. </p> </div> </div> <div id="method-list"> <h3 class="section-bar">Methods</h3> <div class="name-list"> <a href="#M000144">add_expr</a> <a href="#M000143">convert_input</a> <a href="#M000141">init_converter</a> <a href="#M000142">pattern_regexp</a> </div> </div> </div> <!-- if includes --> <div id="includes"> <h3 class="section-bar">Included Modules</h3> <div id="includes-list"> <span class="include-name"><a href="../Converter.html">Erubis::Converter</a></span> </div> </div> <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">DEFAULT_REGEXP</td> <td>=</td> <td class="context-item-value">pattern_regexp('<% %>')</td> <td width="3em"> </td> <td class="context-item-desc"> DEFAULT_REGEXP = /(.*?)(^[ \t]*)?<%(=+|\#)?(.*?)-?%>([ \t]*\r?\n)?/m DEFAULT_REGEXP = /(^[ \t]*)?<%(=+|\#)?(.*?)-?%>([ \t]*\r?\n)?/m DEFAULT_REGEXP = /<%(=+|\#)?(.*?)-?%>([ \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">pattern</td> <td class="context-item-value"> [RW] </td> <td class="context-item-desc"></td> </tr> <tr class="top-aligned-row context-row"> <td class="context-item-name">trim</td> <td class="context-item-value"> [RW] </td> <td class="context-item-desc"></td> </tr> </table> </div> </div> <!-- if method_list --> <div id="methods"> <h3 class="section-bar">Public Instance methods</h3> <div id="method-M000144" class="method-detail"> <a name="M000144"></a> <div class="method-heading"> <a href="#M000144" class="method-signature"> <span class="method-name">add_expr</span><span class="method-args">(src, code, indicator)</span> </a> </div> <div class="method-description"> <p> add expression code to src </p> <p><a class="source-toggle" href="#" onclick="toggleCode('M000144-source');return false;">[Source]</a></p> <div class="method-source-code" id="M000144-source"> <pre> <span class="ruby-comment cmt"># File erubis/converter.rb, line 176</span> <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">add_expr</span>(<span class="ruby-identifier">src</span>, <span class="ruby-identifier">code</span>, <span class="ruby-identifier">indicator</span>) <span class="ruby-keyword kw">case</span> <span class="ruby-identifier">indicator</span> <span class="ruby-keyword kw">when</span> <span class="ruby-value str">'='</span> <span class="ruby-ivar">@escape</span> <span class="ruby-operator">?</span> <span class="ruby-identifier">add_expr_escaped</span>(<span class="ruby-identifier">src</span>, <span class="ruby-identifier">code</span>) <span class="ruby-operator">:</span> <span class="ruby-identifier">add_expr_literal</span>(<span class="ruby-identifier">src</span>, <span class="ruby-identifier">code</span>) <span class="ruby-keyword kw">when</span> <span class="ruby-value str">'=='</span> <span class="ruby-ivar">@escape</span> <span class="ruby-operator">?</span> <span class="ruby-identifier">add_expr_literal</span>(<span class="ruby-identifier">src</span>, <span class="ruby-identifier">code</span>) <span class="ruby-operator">:</span> <span class="ruby-identifier">add_expr_escaped</span>(<span class="ruby-identifier">src</span>, <span class="ruby-identifier">code</span>) <span class="ruby-keyword kw">when</span> <span class="ruby-value str">'==='</span> <span class="ruby-identifier">add_expr_debug</span>(<span class="ruby-identifier">src</span>, <span class="ruby-identifier">code</span>) <span class="ruby-keyword kw">end</span> <span class="ruby-keyword kw">end</span> </pre> </div> </div> </div> <div id="method-M000143" class="method-detail"> <a name="M000143"></a> <div class="method-heading"> <a href="#M000143" class="method-signature"> <span class="method-name">convert_input</span><span class="method-args">(src, input)</span> </a> </div> <div class="method-description"> <p><a class="source-toggle" href="#" onclick="toggleCode('M000143-source');return false;">[Source]</a></p> <div class="method-source-code" id="M000143-source"> <pre> <span class="ruby-comment cmt"># File erubis/converter.rb, line 127</span> <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">convert_input</span>(<span class="ruby-identifier">src</span>, <span class="ruby-identifier">input</span>) <span class="ruby-identifier">pat</span> = <span class="ruby-ivar">@pattern</span> <span class="ruby-identifier">regexp</span> = <span class="ruby-identifier">pat</span>.<span class="ruby-identifier">nil?</span> <span class="ruby-operator">||</span> <span class="ruby-identifier">pat</span> <span class="ruby-operator">==</span> <span class="ruby-value str">'<% %>'</span> <span class="ruby-operator">?</span> <span class="ruby-constant">DEFAULT_REGEXP</span> <span class="ruby-operator">:</span> <span class="ruby-identifier">pattern_regexp</span>(<span class="ruby-identifier">pat</span>) <span class="ruby-identifier">pos</span> = <span class="ruby-value">0</span> <span class="ruby-identifier">is_bol</span> = <span class="ruby-keyword kw">true</span> <span class="ruby-comment cmt"># is beginning of line</span> <span class="ruby-identifier">input</span>.<span class="ruby-identifier">scan</span>(<span class="ruby-identifier">regexp</span>) <span class="ruby-keyword kw">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">indicator</span>, <span class="ruby-identifier">code</span>, <span class="ruby-identifier">tailch</span>, <span class="ruby-identifier">rspace</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-identifier">ch</span> = <span class="ruby-identifier">indicator</span> <span class="ruby-value">? </span><span class="ruby-identifier">indicator</span>[<span class="ruby-value">0</span>] <span class="ruby-operator">:</span> <span class="ruby-keyword kw">nil</span> <span class="ruby-identifier">lspace</span> = <span class="ruby-identifier">ch</span> <span class="ruby-operator">==</span> <span class="ruby-value">?=</span> <span class="ruby-operator">?</span> <span class="ruby-keyword kw">nil</span> <span class="ruby-operator">:</span> <span class="ruby-identifier">detect_spaces_at_bol</span>(<span class="ruby-identifier">text</span>, <span class="ruby-identifier">is_bol</span>) <span class="ruby-identifier">is_bol</span> = <span class="ruby-identifier">rspace</span> <span class="ruby-value">? </span><span class="ruby-keyword kw">true</span> <span class="ruby-operator">:</span> <span class="ruby-keyword kw">false</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">if</span> <span class="ruby-identifier">text</span> <span class="ruby-operator">&&</span> <span class="ruby-operator">!</span><span class="ruby-identifier">text</span>.<span class="ruby-identifier">empty?</span> <span class="ruby-comment cmt">## * when '<%= %>', do nothing</span> <span class="ruby-comment cmt">## * when '<% %>' or '<%# %>', delete spaces iff only spaces are around '<% %>'</span> <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">ch</span> <span class="ruby-operator">==</span> <span class="ruby-value">?=</span> <span class="ruby-comment cmt"># <%= %></span> <span class="ruby-identifier">rspace</span> = <span class="ruby-keyword kw">nil</span> <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">tailch</span> <span class="ruby-operator">&&</span> <span class="ruby-operator">!</span><span class="ruby-identifier">tailch</span>.<span class="ruby-identifier">empty?</span> <span class="ruby-identifier">add_text</span>(<span class="ruby-identifier">src</span>, <span class="ruby-identifier">lspace</span>) <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">lspace</span> <span class="ruby-identifier">add_expr</span>(<span class="ruby-identifier">src</span>, <span class="ruby-identifier">code</span>, <span class="ruby-identifier">indicator</span>) <span class="ruby-identifier">add_text</span>(<span class="ruby-identifier">src</span>, <span class="ruby-identifier">rspace</span>) <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">rspace</span> <span class="ruby-keyword kw">elsif</span> <span class="ruby-identifier">ch</span> <span class="ruby-operator">==</span> <span class="ruby-value">?\#</span> <span class="ruby-comment cmt"># <%# %></span> <span class="ruby-identifier">n</span> = <span class="ruby-identifier">code</span>.<span class="ruby-identifier">count</span>(<span class="ruby-value str">"\n"</span>) <span class="ruby-operator">+</span> (<span class="ruby-identifier">rspace</span> <span class="ruby-value">? </span><span class="ruby-value">1</span> <span class="ruby-operator">:</span> <span class="ruby-value">0</span>) <span class="ruby-keyword kw">if</span> <span class="ruby-ivar">@trim</span> <span class="ruby-operator">&&</span> <span class="ruby-identifier">lspace</span> <span class="ruby-operator">&&</span> <span class="ruby-identifier">rspace</span> <span class="ruby-identifier">add_stmt</span>(<span class="ruby-identifier">src</span>, <span class="ruby-value str">"\n"</span> <span class="ruby-operator">*</span> <span class="ruby-identifier">n</span>) <span class="ruby-keyword kw">else</span> <span class="ruby-identifier">add_text</span>(<span class="ruby-identifier">src</span>, <span class="ruby-identifier">lspace</span>) <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">lspace</span> <span class="ruby-identifier">add_stmt</span>(<span class="ruby-identifier">src</span>, <span class="ruby-value str">"\n"</span> <span class="ruby-operator">*</span> <span class="ruby-identifier">n</span>) <span class="ruby-identifier">add_text</span>(<span class="ruby-identifier">src</span>, <span class="ruby-identifier">rspace</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">elsif</span> <span class="ruby-identifier">ch</span> <span class="ruby-operator">==</span> <span class="ruby-value">?%</span> <span class="ruby-comment cmt"># <%% %></span> <span class="ruby-identifier">s</span> = <span class="ruby-node">"#{lspace}#{@prefix||='<%'}#{code}#{tailch}#{@postfix||='%>'}#{rspace}"</span> <span class="ruby-identifier">add_text</span>(<span class="ruby-identifier">src</span>, <span class="ruby-identifier">s</span>) <span class="ruby-keyword kw">else</span> <span class="ruby-comment cmt"># <% %></span> <span class="ruby-keyword kw">if</span> <span class="ruby-ivar">@trim</span> <span class="ruby-operator">&&</span> <span class="ruby-identifier">lspace</span> <span class="ruby-operator">&&</span> <span class="ruby-identifier">rspace</span> <span class="ruby-identifier">add_stmt</span>(<span class="ruby-identifier">src</span>, <span class="ruby-node">"#{lspace}#{code}#{rspace}"</span>) <span class="ruby-keyword kw">else</span> <span class="ruby-identifier">add_text</span>(<span class="ruby-identifier">src</span>, <span class="ruby-identifier">lspace</span>) <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">lspace</span> <span class="ruby-identifier">add_stmt</span>(<span class="ruby-identifier">src</span>, <span class="ruby-identifier">code</span>) <span class="ruby-identifier">add_text</span>(<span class="ruby-identifier">src</span>, <span class="ruby-identifier">rspace</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">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-identifier">add_text</span>(<span class="ruby-identifier">src</span>, <span class="ruby-identifier">rest</span>) <span class="ruby-keyword kw">end</span> </pre> </div> </div> </div> <div id="method-M000141" class="method-detail"> <a name="M000141"></a> <div class="method-heading"> <a href="#M000141" class="method-signature"> <span class="method-name">init_converter</span><span class="method-args">(properties={})</span> </a> </div> <div class="method-description"> <p><a class="source-toggle" href="#" onclick="toggleCode('M000141-source');return false;">[Source]</a></p> <div class="method-source-code" id="M000141-source"> <pre> <span class="ruby-comment cmt"># File erubis/converter.rb, line 103</span> <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">init_converter</span>(<span class="ruby-identifier">properties</span>={}) <span class="ruby-keyword kw">super</span>(<span class="ruby-identifier">properties</span>) <span class="ruby-ivar">@pattern</span> = <span class="ruby-identifier">properties</span>[<span class="ruby-identifier">:pattern</span>] <span class="ruby-ivar">@trim</span> = <span class="ruby-identifier">properties</span>[<span class="ruby-identifier">:trim</span>] <span class="ruby-operator">!=</span> <span class="ruby-keyword kw">false</span> <span class="ruby-keyword kw">end</span> </pre> </div> </div> </div> <h3 class="section-bar">Protected Instance methods</h3> <div id="method-M000142" class="method-detail"> <a name="M000142"></a> <div class="method-heading"> <a href="#M000142" class="method-signature"> <span class="method-name">pattern_regexp</span><span class="method-args">(pattern)</span> </a> </div> <div class="method-description"> <p> return regexp of pattern to parse eRuby script </p> <p><a class="source-toggle" href="#" onclick="toggleCode('M000142-source');return false;">[Source]</a></p> <div class="method-source-code" id="M000142-source"> <pre> <span class="ruby-comment cmt"># File erubis/converter.rb, line 112</span> <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">pattern_regexp</span>(<span class="ruby-identifier">pattern</span>) <span class="ruby-ivar">@prefix</span>, <span class="ruby-ivar">@postfix</span> = <span class="ruby-identifier">pattern</span>.<span class="ruby-identifier">split</span>() <span class="ruby-comment cmt"># '<% %>' => '<%', '%>'</span> <span class="ruby-comment cmt">#return /(.*?)(^[ \t]*)?#{@prefix}(=+|\#)?(.*?)-?#{@postfix}([ \t]*\r?\n)?/m</span> <span class="ruby-comment cmt">#return /(^[ \t]*)?#{@prefix}(=+|\#)?(.*?)-?#{@postfix}([ \t]*\r?\n)?/m</span> <span class="ruby-keyword kw">return</span> <span class="ruby-node">/#{@prefix}(=+|-|\#|%)?(.*?)([-=])?#{@postfix}([ \t]*\r?\n)?/</span><span class="ruby-identifier">m</span> <span class="ruby-keyword kw">end</span> </pre> </div> </div> </div> </div> </div> <div id="validator-badges"> <p><small><a href="http://validator.w3.org/check/referer">[Validate]</a></small></p> </div> </body> </html>