PageRenderTime 68ms CodeModel.GetById 37ms RepoModel.GetById 0ms app.codeStats 0ms

/docs/gem.erubis-2.7.0/classes/Erubis/TinyEruby.html

https://github.com/toy/rb
HTML | 287 lines | 196 code | 91 blank | 0 comment | 0 complexity | ae7d52fe73c0f69d34c55150d28d680c MD5 | raw file
    

  1. <?xml version="1.0" encoding="utf-8"?>
    2. 

  2. <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
    3. 

  3.     "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
    4. 

  4. <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
    5. 

  5. <head>
    6. 

  6.     <title>Erubis::TinyEruby</title>
    7. 

  7.     <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    8. 

  8.     <link rel="stylesheet" href="../../css/reset.css" type="text/css" media="screen" />
    9. 

  9.     <link rel="stylesheet" href="../../css/main.css" type="text/css" media="screen" />
    10. 

  10.     <script src="../../js/jquery-1.3.2.min.js" type="text/javascript" charset="utf-8"></script>
    11. 

  11.     <script src="../../js/jquery-effect.js" type="text/javascript" charset="utf-8"></script>
    12. 

  12.     <script src="../../js/main.js" type="text/javascript" charset="utf-8"></script>
    13. 

  13. </head>
    14. 

  14. 

  15. <body>     
    16. 

  16.     <div class="banner">
    17. 

  17.         <h1>
    18. 

  18.             <span class="type">Class</span> 
    19. 

  19.             Erubis::TinyEruby 
    20. 

  20.             
    21. 

  21.                 <span class="parent">&lt; 
    22. 

  22.                     
    23. 

  23.                     <a href="../Object.html">Object</a>
    24. 

  24.                     
    25. 

  25.                 </span>
    26. 

  26.             
    27. 

  27.         </h1>
    28. 

  28.         <ul class="files">
    29. 

  29.             
    30. 

  30.             <li><a href="../../files/lib/erubis/tiny_rb.html">lib/erubis/tiny.rb</a></li>
    31. 

  31.             
    32. 

  32.         </ul>
    33. 

  33.     </div>
    34. 

  34.     <div id="bodyContent">
    35. 

  35.         <div id="content">
    36. 

  36.     
    37. 

  37.     <div class="description">
    38. 

  38.         <p>
    39. 

  39. tiny and the simplest implementation of eRuby
    40. 

  40. </p>
    41. 

  41. <p>
    42. 

  42. ex.
    43. 

  43. </p>
    44. 

  44. <pre>
    45. 

  45.   eruby = TinyEruby.new(File.read('example.rhtml'))
    46. 

  46.   print eruby.src                 # print ruby code
    47. 

  47.   print eruby.result(binding())   # eval ruby code with Binding object
    48. 

  48.   print eruby.evalute(context)    # eval ruby code with context object
    49. 

  49. </pre>
    50. 

  50. 

  51.     </div>
    52. 

  52.     
    53. 

  53. 

  54.     
    55. 

  55. 

  56.     
    57. 

  57.     
    58. 

  58. 

  59.     
    60. 

  60.     
    61. 

  61.     <div class="sectiontitle">Methods</div>
    62. 

  62.     <dl class="methods">
    63. 

  63.     
    64. 

  64.         <dt>C</dt>
    65. 

  65.         <dd>
    66. 

  66.             <ul>
    67. 

  67.                 
    68. 

  68.                 <li><a href="#M000286">convert</a></li>
    69. 

  69.                 
    70. 

  70.             </ul>
    71. 

  71.         </dd>
    72. 

  72.     
    73. 

  73.         <dt>E</dt>
    74. 

  74.         <dd>
    75. 

  75.             <ul>
    76. 

  76.                 
    77. 

  77.                 <li><a href="#M000289">evaluate</a></li>
    78. 

  78.                 
    79. 

  79.             </ul>
    80. 

  80.         </dd>
    81. 

  81.     
    82. 

  82.         <dt>N</dt>
    83. 

  83.         <dd>
    84. 

  84.             <ul>
    85. 

  85.                 
    86. 

  86.                 <li><a href="#M000285">new</a></li>
    87. 

  87.                 
    88. 

  88.             </ul>
    89. 

  89.         </dd>
    90. 

  90.     
    91. 

  91.         <dt>R</dt>
    92. 

  92.         <dd>
    93. 

  93.             <ul>
    94. 

  94.                 
    95. 

  95.                 <li><a href="#M000288">result</a></li>
    96. 

  96.                 
    97. 

  97.             </ul>
    98. 

  98.         </dd>
    99. 

  99.     
    100. 

  100.     </dl>
    101. 

  101.     
    102. 

  102. 

  103.     
    104. 

  104. 

  105.     
    106. 

  106. 

  107.     
    108. 

  108. 

  109.     
    110. 

  110.     <div class="sectiontitle">Constants</div>
    111. 

  111.     <table border='0' cellpadding='5'>
    112. 

  112.         
    113. 

  113.         <tr valign='top'>
    114. 

  114.             <td class="attr-name">EMBEDDED_PATTERN</td>
    115. 

  115.             <td>=</td>
    116. 

  116.             <td class="attr-value">/&lt;%(=+|\#)?(.*?)-?%&gt;/m</td>
    117. 

  117.         </tr>
    118. 

  118.         
    119. 

  119.         
    120. 

  120.     </table>
    121. 

  121.     
    122. 

  122. 

  123.     
    124. 

  124.     <div class="sectiontitle">Attributes</div>
    125. 

  125.     <table border='0' cellpadding='5'>
    126. 

  126.         
    127. 

  127.         <tr valign='top'>
    128. 

  128.             <td class='attr-rw'>
    129. 

  129.                 [R]
    130. 

  130.             </td>
    131. 

  131.             <td class='attr-name'>src</td>
    132. 

  132.             <td class='attr-desc'></td>
    133. 

  133.         </tr>
    134. 

  134.         
    135. 

  135.     </table>
    136. 

  136.     
    137. 

  137. 

  138.     
    139. 

  139.             <div class="sectiontitle">Class Public methods</div>
    140. 

  140.             
    141. 

  141.             <div class="method">
    142. 

  142.                 <div class="title" id="M000285">
    143. 

  143.                     
    144. 

  144.                     <a name="M000285"></a><b>new</b>(input=nil)
    145. 

  145.                     
    146. 

  146.                 </div>
    147. 

  147.                 
    148. 

  148.                 
    149. 

  149.                 
    150. 

  150.                 
    151. 

  151.                 <div class="sourcecode">
    152. 

  152.                     <p class="source-link">
    153. 

  153.                         Source: <a href="javascript:toggleSource('M000285_source')" id="l_M000285_source">show</a>
    154. 

  154.                         
    155. 

  155.                     </p>
    156. 

  156.                     <div id="M000285_source" class="dyn-source">
    157. 

  157.                         <pre>    <span class="ruby-comment cmt"># File lib/erubis/tiny.rb, line 19</span>
    158. 

  158. 19:     <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>)
    159. 

  159. 20:       <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>
    160. 

  160. 21:     <span class="ruby-keyword kw">end</span></pre>
    161. 

  161.                     </div>
    162. 

  162.                 </div>
    163. 

  163.                 
    164. 

  164.             </div>
    165. 

  165.             
    166. 

  166.             <div class="sectiontitle">Instance Public methods</div>
    167. 

  167.             
    168. 

  168.             <div class="method">
    169. 

  169.                 <div class="title" id="M000286">
    170. 

  170.                     
    171. 

  171.                     <a name="M000286"></a><b>convert</b>(input)
    172. 

  172.                     
    173. 

  173.                 </div>
    174. 

  174.                 
    175. 

  175.                 
    176. 

  176.                 
    177. 

  177.                 
    178. 

  178.                 <div class="sourcecode">
    179. 

  179.                     <p class="source-link">
    180. 

  180.                         Source: <a href="javascript:toggleSource('M000286_source')" id="l_M000286_source">show</a>
    181. 

  181.                         
    182. 

  182.                     </p>
    183. 

  183.                     <div id="M000286_source" class="dyn-source">
    184. 

  184.                         <pre>    <span class="ruby-comment cmt"># File lib/erubis/tiny.rb, line 26</span>
    185. 

  185. 26:     <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">convert</span>(<span class="ruby-identifier">input</span>)
    186. 

  186. 27:       <span class="ruby-identifier">src</span> = <span class="ruby-value str">&quot;_buf = '';&quot;</span>           <span class="ruby-comment cmt"># preamble</span>
    187. 

  187. 28:       <span class="ruby-identifier">pos</span> = <span class="ruby-value">0</span>
    188. 

  188. 29:       <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">indicator</span>, <span class="ruby-identifier">code</span><span class="ruby-operator">|</span>
    189. 

  189. 30:         <span class="ruby-identifier">m</span> = <span class="ruby-constant">Regexp</span>.<span class="ruby-identifier">last_match</span>
    190. 

  190. 31:         <span class="ruby-identifier">text</span> = <span class="ruby-identifier">input</span>[<span class="ruby-identifier">pos</span><span class="ruby-operator">...</span><span class="ruby-identifier">m</span>.<span class="ruby-identifier">begin</span>(<span class="ruby-value">0</span>)]
    191. 

  191. 32:         <span class="ruby-identifier">pos</span>  = <span class="ruby-identifier">m</span>.<span class="ruby-identifier">end</span>(<span class="ruby-value">0</span>)
    192. 

  192. 33:         <span class="ruby-comment cmt">#src &lt;&lt; &quot; _buf &lt;&lt; '&quot; &lt;&lt; escape_text(text) &lt;&lt; &quot;';&quot;</span>
    193. 

  193. 34:         <span class="ruby-identifier">text</span>.<span class="ruby-identifier">gsub!</span>(<span class="ruby-regexp re">/['\\]/</span>, <span class="ruby-value str">'\\\\\&amp;'</span>)
    194. 

  194. 35:         <span class="ruby-identifier">src</span> <span class="ruby-operator">&lt;&lt;</span> <span class="ruby-value str">&quot; _buf &lt;&lt; '&quot;</span> <span class="ruby-operator">&lt;&lt;</span> <span class="ruby-identifier">text</span> <span class="ruby-operator">&lt;&lt;</span> <span class="ruby-value str">&quot;';&quot;</span> <span class="ruby-keyword kw">unless</span> <span class="ruby-identifier">text</span>.<span class="ruby-identifier">empty?</span>
    195. 

  195. 36:         <span class="ruby-keyword kw">if</span> <span class="ruby-operator">!</span><span class="ruby-identifier">indicator</span>              <span class="ruby-comment cmt"># &lt;% %&gt;</span>
    196. 

  196. 37:           <span class="ruby-identifier">src</span> <span class="ruby-operator">&lt;&lt;</span> <span class="ruby-identifier">code</span> <span class="ruby-operator">&lt;&lt;</span> <span class="ruby-value str">&quot;;&quot;</span>
    197. 

  197. 38:         <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-comment cmt"># &lt;%# %&gt;</span>
    198. 

  198. 39:           <span class="ruby-identifier">src</span> <span class="ruby-operator">&lt;&lt;</span> (<span class="ruby-value str">&quot;\n&quot;</span> <span class="ruby-operator">*</span> <span class="ruby-identifier">code</span>.<span class="ruby-identifier">count</span>(<span class="ruby-value str">&quot;\n&quot;</span>))
    199. 

  199. 40:         <span class="ruby-keyword kw">else</span>                       <span class="ruby-comment cmt"># &lt;%= %&gt;</span>
    200. 

  200. 41:           <span class="ruby-identifier">src</span> <span class="ruby-operator">&lt;&lt;</span> <span class="ruby-value str">&quot; _buf &lt;&lt; (&quot;</span> <span class="ruby-operator">&lt;&lt;</span> <span class="ruby-identifier">code</span> <span class="ruby-operator">&lt;&lt;</span> <span class="ruby-value str">&quot;).to_s;&quot;</span>
    201. 

  201. 42:         <span class="ruby-keyword kw">end</span>
    202. 

  202. 43:       <span class="ruby-keyword kw">end</span>
    203. 

  203. 44:       <span class="ruby-comment cmt">#rest = $' || input                        # ruby1.8</span>
    204. 

  204. 45:       <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>
    205. 

  205. 46:       <span class="ruby-comment cmt">#src &lt;&lt; &quot; _buf &lt;&lt; '&quot; &lt;&lt; escape_text(rest) &lt;&lt; &quot;';&quot;</span>
    206. 

  206. 47:       <span class="ruby-identifier">rest</span>.<span class="ruby-identifier">gsub!</span>(<span class="ruby-regexp re">/['\\]/</span>, <span class="ruby-value str">'\\\\\&amp;'</span>)
    207. 

  207. 48:       <span class="ruby-identifier">src</span> <span class="ruby-operator">&lt;&lt;</span> <span class="ruby-value str">&quot; _buf &lt;&lt; '&quot;</span> <span class="ruby-operator">&lt;&lt;</span> <span class="ruby-identifier">rest</span> <span class="ruby-operator">&lt;&lt;</span> <span class="ruby-value str">&quot;';&quot;</span> <span class="ruby-keyword kw">unless</span> <span class="ruby-identifier">rest</span>.<span class="ruby-identifier">empty?</span>
    208. 

  208. 49:       <span class="ruby-identifier">src</span> <span class="ruby-operator">&lt;&lt;</span> <span class="ruby-value str">&quot;\n_buf.to_s\n&quot;</span>       <span class="ruby-comment cmt"># postamble</span>
    209. 

  209. 50:       <span class="ruby-keyword kw">return</span> <span class="ruby-identifier">src</span>
    210. 

  210. 51:     <span class="ruby-keyword kw">end</span></pre>
    211. 

  211.                     </div>
    212. 

  212.                 </div>
    213. 

  213.                 
    214. 

  214.             </div>
    215. 

  215.             
    216. 

  216.             <div class="method">
    217. 

  217.                 <div class="title" id="M000289">
    218. 

  218.                     
    219. 

  219.                     <a name="M000289"></a><b>evaluate</b>(_context=Object.new)
    220. 

  220.                     
    221. 

  221.                 </div>
    222. 

  222.                 
    223. 

  223.                 
    224. 

  224.                 
    225. 

  225.                 
    226. 

  226.                 <div class="sourcecode">
    227. 

  227.                     <p class="source-link">
    228. 

  228.                         Source: <a href="javascript:toggleSource('M000289_source')" id="l_M000289_source">show</a>
    229. 

  229.                         
    230. 

  230.                     </p>
    231. 

  231.                     <div id="M000289_source" class="dyn-source">
    232. 

  232.                         <pre>    <span class="ruby-comment cmt"># File lib/erubis/tiny.rb, line 61</span>
    233. 

  233. 61:     <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>)
    234. 

  234. 62:       <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>)
    235. 

  235. 63:         <span class="ruby-identifier">_obj</span> = <span class="ruby-constant">Object</span>.<span class="ruby-identifier">new</span>
    236. 

  236. 64:         <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">&quot;@#{k}&quot;</span>, <span class="ruby-identifier">v</span>) <span class="ruby-keyword kw">end</span>
    237. 

  237. 65:         <span class="ruby-identifier">_context</span> = <span class="ruby-identifier">_obj</span>
    238. 

  238. 66:       <span class="ruby-keyword kw">end</span>
    239. 

  239. 67:       <span class="ruby-identifier">_context</span>.<span class="ruby-identifier">instance_eval</span> <span class="ruby-ivar">@src</span>
    240. 

  240. 68:     <span class="ruby-keyword kw">end</span></pre>
    241. 

  241.                     </div>
    242. 

  242.                 </div>
    243. 

  243.                 
    244. 

  244.             </div>
    245. 

  245.             
    246. 

  246.             <div class="method">
    247. 

  247.                 <div class="title" id="M000288">
    248. 

  248.                     
    249. 

  249.                     <a name="M000288"></a><b>result</b>(_binding=TOPLEVEL_BINDING)
    250. 

  250.                     
    251. 

  251.                 </div>
    252. 

  252.                 
    253. 

  253.                 <div class="description">
    254. 

  254.                   <p>
    255. 

  255. def escape_text(text)
    256. 

  256. </p>
    257. 

  257. <pre>
    258. 

  258.   return text.gsub!(/['\\]/, '\\\\\&amp;') || text
    259. 

  259. </pre>
    260. 

  260. <p>
    261. 

  261. end
    262. 

  262. </p>
    263. 

  263. 

  264.                 </div>
    265. 

  265.                 
    266. 

  266.                 
    267. 

  267.                 
    268. 

  268.                 
    269. 

  269.                 <div class="sourcecode">
    270. 

  270.                     <p class="source-link">
    271. 

  271.                         Source: <a href="javascript:toggleSource('M000288_source')" id="l_M000288_source">show</a>
    272. 

  272.                         
    273. 

  273.                     </p>
    274. 

  274.                     <div id="M000288_source" class="dyn-source">
    275. 

  275.                         <pre>    <span class="ruby-comment cmt"># File lib/erubis/tiny.rb, line 57</span>
    276. 

  276. 57:     <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>)
    277. 

  277. 58:       <span class="ruby-identifier">eval</span> <span class="ruby-ivar">@src</span>, <span class="ruby-identifier">_binding</span>
    278. 

  278. 59:     <span class="ruby-keyword kw">end</span></pre>
    279. 

  279.                     </div>
    280. 

  280.                 </div>
    281. 

  281.                 
    282. 

  282.             </div>
    283. 

  283.             
    284. 

  284. </div>
    285. 

  285.     </div>
    286. 

  286.   </body>
    287. 

  287. </html>    
    288.