includes/wikiengine/Parse/Mediawiki/Italic.php
changeset 1 fe660c52c48f
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0:902822492a68 1:fe660c52c48f
       
     1 <?php
       
     2 
       
     3 /**
       
     4 * 
       
     5 * Parses for italic text.
       
     6 * 
       
     7 * @category Text
       
     8 * 
       
     9 * @package Text_Wiki
       
    10 * 
       
    11 * @author Paul M. Jones <pmjones@php.net>
       
    12 * 
       
    13 * @license LGPL
       
    14 * 
       
    15 * @version $Id: Italic.php,v 1.3 2005/02/23 17:38:29 pmjones Exp $
       
    16 * 
       
    17 */
       
    18 
       
    19 /**
       
    20 * 
       
    21 * Parses for italic text.
       
    22 * 
       
    23 * This class implements a Text_Wiki_Parse to find source text marked for
       
    24 * emphasis (italics) as defined by text surrounded by two single-quotes.
       
    25 * On parsing, the text itself is left in place, but the starting and ending
       
    26 * instances of two single-quotes are replaced with tokens.
       
    27 *
       
    28 * @category Text
       
    29 * 
       
    30 * @package Text_Wiki
       
    31 * 
       
    32 * @author Paul M. Jones <pmjones@php.net>
       
    33 * 
       
    34 */
       
    35 
       
    36 class Text_Wiki_Parse_Italic extends Text_Wiki_Parse {
       
    37     
       
    38     
       
    39     /**
       
    40     * 
       
    41     * The regular expression used to parse the source text and find
       
    42     * matches conforming to this rule.  Used by the parse() method.
       
    43     * 
       
    44     * @access public
       
    45     * 
       
    46     * @var string
       
    47     * 
       
    48     * @see parse()
       
    49     * 
       
    50     */
       
    51     
       
    52     var $regex = "/''(()|[^'].*)''/U";
       
    53     
       
    54     
       
    55     /**
       
    56     * 
       
    57     * Generates a replacement for the matched text.  Token options are:
       
    58     * 
       
    59     * 'type' => ['start'|'end'] The starting or ending point of the
       
    60     * emphasized text.  The text itself is left in the source.
       
    61     * 
       
    62     * @access public
       
    63     *
       
    64     * @param array &$matches The array of matches from parse().
       
    65     *
       
    66     * @return string A pair of delimited tokens to be used as a
       
    67     * placeholder in the source text surrounding the text to be
       
    68     * emphasized.
       
    69     *
       
    70     */
       
    71     
       
    72     function process(&$matches)
       
    73     {
       
    74         $start = $this->wiki->addToken(
       
    75             $this->rule, array('type' => 'start')
       
    76         );
       
    77         
       
    78         $end = $this->wiki->addToken(
       
    79             $this->rule, array('type' => 'end')
       
    80         );
       
    81         
       
    82         return $start . $matches[1] . $end;
       
    83     }
       
    84 }
       
    85 ?>