85 lines
1.8 KiB
PHP
85 lines
1.8 KiB
PHP
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<?php
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/**
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*
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* Parses for emphasized text.
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*
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* @category Text
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*
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* @package Text_Wiki
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*
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* @author Paul M. Jones <pmjones@php.net>
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*
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* @license LGPL
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*
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* @version $Id: Emphasis.php,v 1.3 2005/02/23 17:38:29 pmjones Exp $
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*
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*/
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/**
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*
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* Parses for emphasized text.
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*
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* This class implements a Text_Wiki_Parse to find source text marked for
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* emphasis (italics) as defined by text surrounded by two single-quotes.
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* On parsing, the text itself is left in place, but the starting and ending
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* instances of two single-quotes are replaced with tokens.
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*
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* @category Text
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*
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* @package Text_Wiki
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*
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* @author Paul M. Jones <pmjones@php.net>
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*
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*/
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class Text_Wiki_Parse_emphasis extends Text_Wiki_Parse {
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/**
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*
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* The regular expression used to parse the source text and find
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* matches conforming to this rule. Used by the parse() method.
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*
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* @access public
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*
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* @var string
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*
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* @see parse()
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*
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*/
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var $regex = "/\/\/(.*?)\/\//";
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/**
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*
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* Generates a replacement for the matched text. Token options are:
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*
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* 'type' => ['start'|'end'] The starting or ending point of the
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* emphasized text. The text itself is left in the source.
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*
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* @access public
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*
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* @param array &$matches The array of matches from parse().
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*
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* @return string A pair of delimited tokens to be used as a
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* placeholder in the source text surrounding the text to be
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* emphasized.
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*
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*/
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function process(&$matches)
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{
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$start = $this->wiki->addToken(
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$this->rule, array('type' => 'start')
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);
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$end = $this->wiki->addToken(
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$this->rule, array('type' => 'end')
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);
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return $start . $matches[1] . $end;
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}
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}
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?>
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