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   1  <?php
   2  /* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
   3  
   4  // +----------------------------------------------------------------------+
   5  // | Akelos Framework - http://www.akelos.org                             |
   6  // +----------------------------------------------------------------------+
   7  // | Copyright (c) 2002-2007, Akelos Media, S.L.  & Bermi Ferrer Martinez |
   8  // | Released under the GNU Lesser General Public License, see LICENSE.txt|
   9  // +----------------------------------------------------------------------+
  10  
  11  /**
  12   * @package ActionView
  13   * @subpackage Sintags
  14   * @author Bermi Ferrer <bermi a.t akelos c.om>
  15   * @copyright Copyright (c) 2002-2006, Akelos Media, S.L. http://www.akelos.org
  16   * @license GNU Lesser General Public License <http://www.gnu.org/copyleft/lesser.html>
  17   */
  18  
  19  class AkSintagsLexer extends AkLexer
  20  {
  21      var $_SINTAGS_REMOVE_PHP_SILENTLY = AK_SINTAGS_REMOVE_PHP_SILENTLY;
  22      var $_SINTAGS_HIDDEN_COMMENTS_TAG = AK_SINTAGS_HIDDEN_COMMENTS_TAG;
  23  
  24      var $_SINTAGS_OPEN_HELPER_TAG = AK_SINTAGS_OPEN_HELPER_TAG;
  25      var $_SINTAGS_CLOSE_HELPER_TAG = AK_SINTAGS_CLOSE_HELPER_TAG;
  26  
  27      var $_modes = array(
  28      'Xml',
  29      'Php',
  30      'Comment',
  31      'Block',
  32      'Helper',
  33      'EscapedText',
  34      'Translation',
  35      'VariableTranslation',
  36      'EndTag',
  37      'ElseTag',
  38      'ConditionStart',
  39      'ConditionalVariable',
  40      'Variable',
  41      'Loop',
  42      'LoopAs',
  43      'Helper',
  44      'InlineHelper',
  45      );
  46  
  47      function AkSintagsLexer(&$parser)
  48      {
  49          $this->AkLexer($parser, 'Text');
  50          $this->mapHandler('Text', 'Text');
  51          foreach ($this->_modes as $mode){
  52              $this->{'_add'.$mode.'Tokens'}();
  53          }
  54      }
  55  
  56      function _addXmlTokens()
  57      {
  58          $this->addSpecialPattern('<\?xml','Text','XmlOpening');
  59      }
  60  
  61      function _addPhpTokens()
  62      {
  63          if(!$this->_SINTAGS_REMOVE_PHP_SILENTLY){
  64              $this->addEntryPattern('<\?','Text','PhpCode');
  65              $this->addExitPattern('\?>','PhpCode');
  66          }else{
  67              $this->mapHandler('php', 'ignore');
  68              $this->addEntryPattern('<\?', 'Text', 'php');
  69              $this->addExitPattern('\?>', 'php');
  70          }
  71      }
  72  
  73      function _addCommentTokens()
  74      {
  75          if(!empty($this->_SINTAGS_HIDDEN_COMMENTS_TAG)){
  76              $this->mapHandler('comment', 'ignore');
  77              $this->addEntryPattern("<$this->_SINTAGS_HIDDEN_COMMENTS_TAG>", 'Text', 'comment');
  78              $this->addExitPattern("</$this->_SINTAGS_HIDDEN_COMMENTS_TAG>", 'comment');
  79          }
  80      }
  81  
  82      function _addEscapedTextTokens()
  83      {
  84          $this->addSpecialPattern('\x5C_(?={)','Text','EscapedText');
  85      }
  86  
  87      function _addTranslationTokens()
  88      {
  89          $this->addEntryPattern('_{','Text','Translation');
  90          $this->addExitPattern('}','Translation');
  91  
  92          $this->addSpecialPattern('\x5C?\x25[A-Za-z][\.A-Za-z0-9_-]*','Translation','TranslationToken');
  93      }
  94  
  95      function _addVariableTranslationTokens()
  96      {
  97          $this->addSpecialPattern('{_[A-Za-z][\.A-Za-z0-9_-]*}','Text','VariableTranslation');
  98      }
  99  
 100      function _addVariableTokens()
 101      {
 102          $this->addSpecialPattern('{[A-Za-z][\.A-Za-z0-9_-]*}','Text','Variable');
 103      }
 104  
 105      function _addConditionalVariableTokens()
 106      {
 107          $this->addSpecialPattern('{[A-Za-z][\.A-Za-z0-9_-]*\?}','Text','ConditionalVariable');
 108      }
 109  
 110      function _addConditionStartTokens()
 111      {
 112          $this->addSpecialPattern('{[\?!][A-Za-z][\.A-Za-z0-9_-]*}','Text','ConditionStart');
 113      }
 114  
 115      function _addEndTagTokens()
 116      {
 117          $this->addSpecialPattern('{end}','Text','EndTag');
 118      }
 119  
 120      function _addElseTagTokens()
 121      {
 122          $this->addSpecialPattern('{else}','Text','ElseTag');
 123      }
 124  
 125      function _addLoopTokens()
 126      {
 127          $this->addSpecialPattern('{loop[ \n\t]+[A-Za-z][\.A-Za-z0-9_-]*\??}','Text','Loop');
 128      }
 129  
 130      function _addLoopAsTokens()
 131      {
 132          $this->addSpecialPattern('{loop[ \n\t]+[A-Za-z][\.A-Za-z0-9_-]+[ \n\t]+as[ \n\t]+[A-Za-z][\.A-Za-z0-9_-]*\??}','Text','Loop');
 133      }
 134  
 135      function _addBlockTokens()
 136      {
 137          if(!$this->_SINTAGS_REMOVE_PHP_SILENTLY){
 138              $this->addEntryPattern($this->_SINTAGS_OPEN_HELPER_TAG.'[ \n\t]*[A-Za-z][\.A-Za-z0-9_ ,=-]*[ \n\t]*\x7B[ \n\t]*\x7c','Text', 'Block');
 139              $this->addPattern('[A-Za-z0-9_, \n\t\x7c]+[ \n\t]*\x7c','Block');
 140              $this->addExitPattern('\x7D[ \n\t]*'.$this->_SINTAGS_CLOSE_HELPER_TAG, 'Block');
 141          }else{
 142              $this->mapHandler('php', 'ignore');
 143              $this->addEntryPattern($this->_SINTAGS_OPEN_HELPER_TAG.'[ \n\t]*[A-Za-z][\.A-Za-z0-9_ ,=-]*[ \n\t]*\x7B[ \n\t]*\x7c','Text', 'ignore');
 144              $this->addPattern('[A-Za-z0-9_, \n\t\x7c]+[ \n\t]*\x7c','ignore');
 145              $this->addExitPattern('\x7D[ \n\t]*'.$this->_SINTAGS_CLOSE_HELPER_TAG, 'ignore');
 146          }
 147  
 148  
 149  
 150  
 151      }
 152  
 153      function _addHelperTokens()
 154      {
 155          $this->addEntryPattern($this->_SINTAGS_OPEN_HELPER_TAG.'\x3D?[ \n\t]*[A-Za-z0-9_]+[ \n\t\x3D]*\x28?[ \n\t]*'.
 156          '(?=.*'.$this->_SINTAGS_CLOSE_HELPER_TAG.')','Text','Helper');
 157          $this->addExitPattern('\x29?[ \n\t]*'.$this->_SINTAGS_CLOSE_HELPER_TAG, 'Helper');
 158  
 159          $this->addSpecialPattern('#{[A-Za-z][\.A-Za-z0-9_-]*}','DoubleQuote','InlineVariable');
 160  
 161          $this->addEntryPattern('#{[ \n\t]*[A-Za-z0-9_]+[ \n\t]*\x28?[ \n\t]*(?=.*})','DoubleQuote','InlineHelper');
 162          $this->addExitPattern('[ \n\t]*}', 'InlineHelper');
 163          $this->_addSintagsHelperParametersForScope('InlineHelper');
 164  
 165          $this->_addSintagsHelperParametersForScope('Helper');
 166          $this->_addSintagsHelperParametersForScope('Hash');
 167          $this->_addSintagsHelperParametersForScope('HelperFunction');
 168          $this->_addSintagsHelperParametersForScope('Struct');
 169      }
 170  
 171  
 172      function _addInlineHelperTokens()
 173      {
 174          $this->addSpecialPattern('#{[A-Za-z][\.A-Za-z0-9_-]*}','DoubleQuote','InlineVariable');
 175  
 176          $this->addEntryPattern('#{[ \n\t]*[A-Za-z0-9_]+[ \n\t]*\x28?[ \n\t]*(?=.*})','DoubleQuote','InlineHelper');
 177          $this->addExitPattern('[ \n\t]*}', 'InlineHelper');
 178          $this->_addSintagsHelperParametersForScope('InlineHelper');
 179      }
 180  
 181      function _addSintagsHelperParametersForScope($scope = 'Helper')
 182      {
 183          $this->addEntryPattern('[A-Za-z][A-Za-z0-9_]*[ \n\t]*\x28(?=.*\x29)',$scope,'HelperFunction');
 184          $this->addExitPattern('\x29', 'HelperFunction');
 185  
 186          $this->addEntryPattern('_[ \n\t]*\x28(?=.*\x29)',$scope,'HelperFunction');
 187          $this->addExitPattern('\x29', 'HelperFunction');
 188  
 189          $this->addEntryPattern("\x7B", $scope, 'Hash');
 190          $this->addExitPattern("\x7D", 'Hash');
 191  
 192          $this->addEntryPattern('"', $scope, 'DoubleQuote');
 193          $this->addPattern("\\\\\"", 'DoubleQuote');
 194          $this->addExitPattern('"', 'DoubleQuote');
 195  
 196  
 197          $this->addEntryPattern("'", $scope, 'SingleQuote');
 198          $this->addPattern("\\\\'", 'SingleQuote');
 199          $this->addExitPattern("'", 'SingleQuote');
 200  
 201          $this->addSpecialPattern('[0-9]+[\.0-9]*', $scope, 'Numbers');
 202  
 203          $this->addSpecialPattern('true|false|null', $scope, 'Text');
 204  
 205          $this->addSpecialPattern('\x3A[A-Za-z0-9_]+',$scope,'Symbol');
 206  
 207          $this->addSpecialPattern('@?[A-Za-z][\.A-Za-z0-9_-]*',$scope,'HelperVariable');
 208  
 209  
 210          $this->addSpecialPattern('\x5B',$scope,'Struct');
 211          $this->addSpecialPattern('\x5D',$scope,'Struct');
 212      }
 213  }
 214  
 215  ?>