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<?php
/**
*
* Parses for text marked as a code example block.
*
* @category Text
*
* @package Text_Wiki
*
* @author Paul M. Jones <pmjones@php.net>
*
* @license LGPL
*
* @version $Id: Code.php 237313 2007-06-09 23:11:25Z justinpatrin $
*
*/
/**
*
* Parses for text marked as a code example block.
*
* This class implements a Text_Wiki_Parse to find sections marked as code
* examples. Blocks are marked as the string <code> on a line by itself,
* followed by the inline code example, and terminated with the string
* </code> on a line by itself. The code example is run through the
* native PHP highlight_string() function to colorize it, then surrounded
* with <pre>...</pre> tags when rendered as XHTML.
*
* @category Text
*
* @package Text_Wiki
*
* @author Paul M. Jones <pmjones@php.net>
*
*/
class Text_Wiki_Parse_Code extends Text_Wiki_Parse {
/**
*
* The regular expression used to find source text matching this
* rule.
*
* @access public
*
* @var string
*
*/
/* var $regex = '/^(\<code( .+)?\>)\n(.+)\n(\<\/code\>)(\s|$)/Umsi';*/
var $regex = ';^<code(\s[^>]*)?>((?:(?R)|.*?)*)\n</code>(\s|$);msi';
/**
*
* Generates a token entry for the matched text. Token options are:
*
* 'text' => The full matched text, not including the <code></code> tags.
*
* @access public
*
* @param array &$matches The array of matches from parse().
*
* @return A delimited token number to be used as a placeholder in
* the source text.
*
*/
function process(&$matches)
{
// are there additional attribute arguments?
$args = trim($matches[1]);
if ($args == '') {
$options = array(
'text' => $matches[2],
'attr' => array('type' => '')
);
} else {
// get the attributes...
$attr = $this->getAttrs($args);
// ... and make sure we have a 'type'
if (! isset($attr['type'])) {
$attr['type'] = '';
}
// retain the options
$options = array(
'text' => $matches[2],
'attr' => $attr
);
}
return $this->wiki->addToken($this->rule, $options) . $matches[3];
}
}
?>
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