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   1  <?php
   2  
   3  namespace dokuwiki\Parsing\ParserMode;
   4  
   5  /**
   6   * This class sets the markup for bold (=strong),
   7   * italic (=emphasis), underline etc.
   8   */
   9  class Formatting extends AbstractMode
  10  {
  11      protected $type;
  12  
  13      protected $formatting = array(
  14          'strong' => array(
  15              'entry' => '\*\*(?=.*\*\*)',
  16              'exit' => '\*\*',
  17              'sort' => 70
  18          ),
  19  
  20          'emphasis' => array(
  21              'entry' => '//(?=[^\x00]*[^:])', //hack for bugs #384 #763 #1468
  22              'exit' => '//',
  23              'sort' => 80
  24          ),
  25  
  26          'underline' => array(
  27              'entry' => '__(?=.*__)',
  28              'exit' => '__',
  29              'sort' => 90
  30          ),
  31  
  32          'monospace' => array(
  33              'entry' => '\x27\x27(?=.*\x27\x27)',
  34              'exit' => '\x27\x27',
  35              'sort' => 100
  36          ),
  37  
  38          'subscript' => array(
  39              'entry' => '<sub>(?=.*</sub>)',
  40              'exit' => '</sub>',
  41              'sort' => 110
  42          ),
  43  
  44          'superscript' => array(
  45              'entry' => '<sup>(?=.*</sup>)',
  46              'exit' => '</sup>',
  47              'sort' => 120
  48          ),
  49  
  50          'deleted' => array(
  51              'entry' => '<del>(?=.*</del>)',
  52              'exit' => '</del>',
  53              'sort' => 130
  54          ),
  55      );
  56  
  57      /**
  58       * @param string $type
  59       */
  60      public function __construct($type)
  61      {
  62          global $PARSER_MODES;
  63  
  64          if (!array_key_exists($type, $this->formatting)) {
  65              trigger_error('Invalid formatting type ' . $type, E_USER_WARNING);
  66          }
  67  
  68          $this->type = $type;
  69  
  70          // formatting may contain other formatting but not it self
  71          $modes = $PARSER_MODES['formatting'];
  72          $key = array_search($type, $modes);
  73          if (is_int($key)) {
  74              unset($modes[$key]);
  75          }
  76  
  77          $this->allowedModes = array_merge(
  78              $modes,
  79              $PARSER_MODES['substition'],
  80              $PARSER_MODES['disabled']
  81          );
  82      }
  83  
  84      /** @inheritdoc */
  85      public function connectTo($mode)
  86      {
  87  
  88          // Can't nest formatting in itself
  89          if ($mode == $this->type) {
  90              return;
  91          }
  92  
  93          $this->Lexer->addEntryPattern(
  94              $this->formatting[$this->type]['entry'],
  95              $mode,
  96              $this->type
  97          );
  98      }
  99  
 100      /** @inheritdoc */
 101      public function postConnect()
 102      {
 103  
 104          $this->Lexer->addExitPattern(
 105              $this->formatting[$this->type]['exit'],
 106              $this->type
 107          );
 108      }
 109  
 110      /** @inheritdoc */
 111      public function getSort()
 112      {
 113          return $this->formatting[$this->type]['sort'];
 114      }
 115  }