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<?php
namespace MediaWiki\Tidy;
use ReplacementArray;
use ParserOutput;
use Parser;
/**
* Class used to hide mw:editsection tokens from Tidy so that it doesn't break them
* or break on them. This is a bit of a hack for now, but hopefully in the future
* we may create a real postprocessor or something that will replace this.
* It's called wrapper because for now it basically takes over MWTidy::tidy's task
* of wrapping the text in a xhtml block
*
* This re-uses some of the parser's UNIQ tricks, though some of it is private so it's
* duplicated. Perhaps we should create an abstract marker hiding class.
*
* @ingroup Parser
*/
class RaggettWrapper {
/**
* @var ReplacementArray
*/
protected $mTokens;
protected $mMarkerIndex;
public function __construct() {
$this->mTokens = null;
}
/**
* @param string $text
* @return string
*/
public function getWrapped( $text ) {
$this->mTokens = new ReplacementArray;
$this->mMarkerIndex = 0;
// Replace <mw:editsection> elements with placeholders
$wrappedtext = preg_replace_callback( ParserOutput::EDITSECTION_REGEX,
array( &$this, 'replaceCallback' ), $text );
// ...and <mw:toc> markers
$wrappedtext = preg_replace_callback( '/\<\\/?mw:toc\>/',
array( &$this, 'replaceCallback' ), $wrappedtext );
// ... and <math> tags
$wrappedtext = preg_replace_callback( '/\<math(.*?)\<\\/math\>/s',
array( &$this, 'replaceCallback' ), $wrappedtext );
// Modify inline Microdata <link> and <meta> elements so they say <html-link> and <html-meta> so
// we can trick Tidy into not stripping them out by including them in tidy's new-empty-tags config
$wrappedtext = preg_replace( '!<(link|meta)([^>]*?)(/{0,1}>)!', '<html-$1$2$3', $wrappedtext );
// Wrap the whole thing in a doctype and body for Tidy.
$wrappedtext = '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"' .
' "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html>' .
'<head><title>test</title></head><body>' . $wrappedtext . '</body></html>';
return $wrappedtext;
}
/**
* @param array $m
*
* @return string
*/
public function replaceCallback( $m ) {
$marker = Parser::MARKER_PREFIX . "-item-{$this->mMarkerIndex}" . Parser::MARKER_SUFFIX;
$this->mMarkerIndex++;
$this->mTokens->setPair( $marker, $m[0] );
return $marker;
}
/**
* @param string $text
* @return string
*/
public function postprocess( $text ) {
// Revert <html-{link,meta}> back to <{link,meta}>
$text = preg_replace( '!<html-(link|meta)([^>]*?)(/{0,1}>)!', '<$1$2$3', $text );
// Restore the contents of placeholder tokens
$text = $this->mTokens->replace( $text );
return $text;
}
}
?>
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