|
// +----------------------------------------------------------------------+
//
// $Id: code.php,v 1.4 2004/12/02 10:54:32 nohn Exp $
/**
*
* This class implements a Text_Wiki_Rule to find sections marked as code
* examples. Blocks are marked as the string on a line by itself,
* followed by the inline code example, and terminated with the string
* on a line by itself. The code example is run through the
* native PHP highlight_string() function to colorize it, then surrounded
* with ...
tags when rendered as XHTML.
*
* @author Paul M. Jones
*
* @package Text_Wiki
*
*/
class Text_Wiki_Rule_code extends Text_Wiki_Rule {
/**
*
* The regular expression used to find source text matching this
* rule.
*
* @access public
*
* @var string
*
*/
var $regex = '/^(\)\n(.+)\n(\<\/code\>)(\s|$)/Umsi';
/**
*
* Generates a token entry for the matched text. Token options are:
*
* 'text' => The full matched text, not including the
tags with simple newlines
//$text = str_replace("
", "\n", $text);
// replace non-breaking space with simple spaces
//$text = str_replace(" ", " ", $text);
// replace
tags with simple newlines
// replace non-breaking space with simple spaces
// translate old HTML to new XHTML
// courtesy of research by A. Kalin :-)
$map = array(
'
' => "\n",
' ' => ' ',
' '' => '',
'color="' => 'style="color:'
);
$text = strtr($text, $map);
// get rid of the last newline inside the code block
// (becuase higlight_string puts one there)
if (substr($text, -8) == "\n") {
$text = substr($text, 0, -8) . "";
}
// done
$text = "$text
";
} elseif (strtolower($args['type']) == 'html') {
// HTML code example:
// add opening and closing tags,
// convert tabs to four spaces,
// convert entities.
$text = str_replace("\t", " ", $text);
$text = "\n$text\n";
$text = htmlentities($text);
$text = "$text
";
} else {
// generic code example:
// convert tabs to four spaces,
// convert entities.
$text = str_replace("\t", " ", $text);
$text = htmlentities($text);
$text = "$text
";
}
return "\n$text\n";
}
}
?>