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jepso 2007-07-20 09:06:51 +00:00
parent 9b61957154
commit 86f313c117
1 changed files with 89 additions and 0 deletions
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manual/new/lib/Text/Wiki/Parse/Doc/Prefilter.php Normal file
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<?php
/**
*
* "Pre-filter" the source text.
*
* @category Text
*
* @package Text_Wiki
*
* @author Paul M. Jones <pmjones@php.net>
*
* @license LGPL
*
* @version $Id: Prefilter.php,v 1.4 2006/12/08 08:30:37 justinpatrin Exp $
*
*/
/**
*
* "Pre-filter" the source text.
*
* Convert DOS and Mac line endings to Unix, concat lines ending in a
* backslash \ with the next line, convert tabs to 4-spaces, add newlines
* to the top and end of the source text, compress 3 or more newlines to
* 2 newlines.
*
* @category Text
*
* @package Text_Wiki
*
* @author Paul M. Jones <pmjones@php.net>
*
*/
class Text_Wiki_Parse_Prefilter extends Text_Wiki_Parse {
/**
*
* Simple parsing method.
*
* @access public
*
*/
function parse()
{
// convert DOS line endings
$this->wiki->source = str_replace("\r\n", "\n",
$this->wiki->source);
// convert Macintosh line endings
$this->wiki->source = str_replace("\r", "\n",
$this->wiki->source);
// concat lines ending in a backslash
$this->wiki->source = str_replace("\\\n", "",
$this->wiki->source);
// convert tabs to four-spaces
$this->wiki->source = str_replace("\t", " ",
$this->wiki->source);
// add extra newline before code tags to prevent xhtml validation errors
$this->wiki->source = preg_replace(
';^(<code(?:\s[^>]*)?>(?:.*?)</code>(?:\s|$));msi',
"\n\\1", $this->wiki->source);
// add extra newlines at the top and end; this
// seems to help many rules.
$this->wiki->source = "\n" . $this->wiki->source . "\n\n";
$this->wiki->source = str_replace("\n----\n","\n\n----\n\n",
$this->wiki->source);
$this->wiki->source = preg_replace("/\n(\\+{1,6})(.*)\n/m",
"\n\n\\1 \\2\n\n",
$this->wiki->source);
// finally, compress all instances of 3 or more newlines
// down to two newlines.
$find = "/\n{3,}/m";
$replace = "\n\n";
$this->wiki->source = preg_replace($find, $replace,
$this->wiki->source);
}
}
?>