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Ticket #5543: FCKeditorParser.body.php

File FCKeditorParser.body.php, 22.5 KB (added by fdujardi, 16 years ago)

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1	<?php
2
3	class FCKeditorParser extends FCKeditorParserWrapper
4	{
5	public static $fkc_mw_makeImage_options;
6	protected $fck_mw_strtr_span;
7	protected $fck_mw_strtr_span_counter=1;
8	protected $fck_mw_taghook;
9	protected $fck_internal_parse_text;
10	protected $fck_matches = array();
11
12	private $FCKeditorMagicWords = array(
13	'__NOTOC__',
14	'__FORCETOC__',
15	'__NOEDITSECTION__',
16	'__START__',
17	'__NOTITLECONVERT__',
18	'__NOCONTENTCONVERT__',
19	'__END__',
20	'__TOC__',
21	'__NOTC__',
22	'__NOCC__',
23	"__FORCETOC__",
24	"__NEWSECTIONLINK__",
25	"__NOGALLERY__",
26	);
27
28	/**
29	* Add special string (that would be changed by Parser) to array and return simple unique string
30	* that will remain unchanged during whole parsing operation.
31	* At the end we'll replace all this unique strings with original content
32	*
33	* @param string $text
34	* @return string
35	*/
36	private function fck_addToStrtr($text, $replaceLineBreaks = true) {
37	$key = 'Fckmw'.$this->fck_mw_strtr_span_counter.'fckmw';
38	$this->fck_mw_strtr_span_counter++;
39	if ($replaceLineBreaks) {
40	$this->fck_mw_strtr_span[$key] = str_replace(array("\r\n", "\n", "\r"),"fckLR",$text);
41	}
42	else {
43	$this->fck_mw_strtr_span[$key] = $text;
44	}
45	return $key;
46	}
47
48	/**
49	* Handle link to subpage if necessary
50	* @param string $target the source of the link
51	* @param string &$text the link text, modified as necessary
52	* @return string the full name of the link
53	* @private
54	*/
55	function maybeDoSubpageLink($target, &$text) {
56	return $target;
57	}
58
59	/**
60	* DO NOT Replace special strings like "ISBN xxx" and "RFC xxx" with
61	* magic external links.
62	*
63	* DML
64	* @private
65	*/
66	function doMagicLinks( $text ) {
67	return $text;
68	}
69
70	/**
71	* Callback function for custom tags: feed, ref, references etc.
72	*
73	* @param string $str Input
74	* @param array $argv Arguments
75	* @return string
76	*/
77	function fck_genericTagHook( $str, $argv, $parser ) {
78	if (in_array($this->fck_mw_taghook, array("ref", "math", "references", "source"))) {
79	$class = $this->fck_mw_taghook;
80	}
81	else {
82	$class = "special";
83	}
84
85	if (empty($argv)) {
86	$ret = "<span class=\"fck_mw_".$class."\" _fck_mw_customtag=\"true\" _fck_mw_tagname=\"".$this->fck_mw_taghook."\">";
87	}
88	else {
89	$ret = "<span class=\"fck_mw_".$class."\" _fck_mw_customtag=\"true\" _fck_mw_tagname=\"".$this->fck_mw_taghook."\"";
90	foreach ($argv as $key=>$value) {
91	$ret .= " ".$key."=\"".$value."\"";
92	}
93	$ret .=">";
94	}
95	if (is_null($str)) {
96	$ret = substr($ret, 0, -1) . " />";
97	}
98	else {
99	$ret .= htmlspecialchars($str);
100	$ret .= "</span>";
101	}
102
103	$replacement = $this->fck_addToStrtr($ret);
104	return $replacement;
105	}
106
107	/**
108	* Callback function for wiki tags: nowiki, includeonly, noinclude
109	*
110	* @param string $tagName tag name, eg. nowiki, math
111	* @param string $str Input
112	* @param array $argv Arguments
113	* @return string
114	*/
115	function fck_wikiTag( $tagName, $str, $argv = array()) {
116	if (empty($argv)) {
117	$ret = "<span class=\"fck_mw_".$tagName."\" _fck_mw_customtag=\"true\" _fck_mw_tagname=\"".$tagName."\">";
118	}
119	else {
120	$ret = "<span class=\"fck_mw_".$tagName."\" _fck_mw_customtag=\"true\" _fck_mw_tagname=\"".$tagName."\"";
121	foreach ($argv as $key=>$value) {
122	$ret .= " ".$key."=\"".$value."\"";
123	}
124	$ret .=">";
125	}
126	if (is_null($str)) {
127	$ret = substr($ret, 0, -1) . " />";
128	}
129	else {
130	$ret .= htmlspecialchars($str);
131	$ret .= "</span>";
132	}
133
134	$replacement = $this->fck_addToStrtr($ret);
135
136	return $replacement;
137	}
138
139	/**
140	* Strips and renders nowiki, pre, math, hiero
141	* If $render is set, performs necessary rendering operations on plugins
142	* Returns the text, and fills an array with data needed in unstrip()
143	*
144	* @param StripState $state
145	*
146	* @param bool $stripcomments when set, HTML comments <!-- like this -->
147	* will be stripped in addition to other tags. This is important
148	* for section editing, where these comments cause confusion when
149	* counting the sections in the wikisource
150	*
151	* @param array dontstrip contains tags which should not be stripped;
152	* used to prevent stipping of <gallery> when saving (fixes bug 2700)
153	*
154	* @private
155	*/
156	function strip( $text, $state, $stripcomments = false , $dontstrip = array () ) {
157	global $wgContLang, $wgUseTeX, $wgScriptPath, $wgVersion, $wgHooks, $wgExtensionFunctions;
158
159	wfProfileIn( __METHOD__ );
160	$render = ($this->mOutputType == OT_HTML);
161
162	$uniq_prefix = $this->mUniqPrefix;
163	$commentState = new ReplacementArray;
164	$nowikiItems = array();
165	$generalItems = array();
166
167	$elements = array_merge( array( 'nowiki', 'gallery', 'math' ), array_keys( $this->mTagHooks ) );
168	if ( (isset($wgHooks['ParserFirstCallInit']) && in_array('efSyntaxHighlight_GeSHiSetup', $wgHooks['ParserFirstCallInit']))
169	\|\| (isset($wgExtensionFunctions) && in_array('efSyntaxHighlight_GeSHiSetup', $wgExtensionFunctions)) ) {
170	$elements = array_merge( $elements, array( 'source' ) );
171	}
172	if ( (isset($wgHooks['ParserFirstCallInit']) && in_array('wfCite', $wgHooks['ParserFirstCallInit']))
173	\|\| (isset($wgExtensionFunctions) && in_array('wfCite', $wgExtensionFunctions)) ) {
174	$elements = array_merge( $elements, array( 'ref', 'references' ) );
175	}
176	global $wgRawHtml;
177	if( $wgRawHtml ) {
178	$elements[] = 'html';
179	}
180
181	# Removing $dontstrip tags from $elements list (currently only 'gallery', fixing bug 2700)
182	foreach ( $elements AS $k => $v ) {
183	if ( !in_array ( $v , $dontstrip ) ) continue;
184	unset ( $elements[$k] );
185	}
186
187	$elements = array_unique($elements);
188	$matches = array();
189	if (version_compare("1.12", $wgVersion, ">")) {
190	$text = Parser::extractTagsAndParams( $elements, $text, $matches, $uniq_prefix );
191	}
192	else {
193	$text = self::extractTagsAndParams( $elements, $text, $matches, $uniq_prefix );
194	}
195
196	foreach( $matches as $marker => $data ) {
197	list( $element, $content, $params, $tag ) = $data;
198	if( $render ) {
199	$tagName = strtolower( $element );
200	wfProfileIn( __METHOD__."-render-$tagName" );
201	switch( $tagName ) {
202	case '!--':
203	// Comment
204	if( substr( $tag, -3 ) == '-->' ) {
205	$output = $tag;
206	} else {
207	// Unclosed comment in input.
208	// Close it so later stripping can remove it
209	$output = "$tag-->";
210	}
211	break;
212	case 'references':
213	$output = $this->fck_wikiTag('references', $content, $params);
214	break;
215	case 'ref':
216	$output = $this->fck_wikiTag('ref', $content, $params);
217	break;
218	case 'syntaxhighlight':
219	case 'source':
220	$output = $this->fck_wikiTag('source', $content, $params);
221	break;
222	case 'html':
223	if( $wgRawHtml ) {
224	$output = $this->fck_wikiTag('html', $content, $params);
225	}
226	break;
227	case 'nowiki':
228	$output = $this->fck_wikiTag('nowiki', $content, $params); //required by FCKeditor
229	break;
230	case 'math':
231	if($wgUseTeX){ //normal render
232	$output = $wgContLang->armourMath( MathRenderer::renderMath( $content ) );
233	}else //show fakeimage
234	$output = '<img _fckfakelement="true" class="FCK__MWMath" _fck_mw_math="'.$content.'" src="'.$wgScriptPath.'/skins/common/images/button_math.png" />';
235	break;
236	case 'gallery':
237	$output = $this->fck_wikiTag('gallery', $content, $params); //required by FCKeditor
238	//$output = $this->renderImageGallery( $content, $params );
239	break;
240	default:
241	if( isset( $this->mTagHooks[$tagName] ) ) {
242	$this->fck_mw_taghook = $tagName; //required by FCKeditor
243	$output = call_user_func_array( $this->mTagHooks[$tagName],
244	array( $content, $params, $this ) );
245	} else {
246	throw new MWException( "Invalid call hook $element" );
247	}
248	}
249	wfProfileOut( __METHOD__."-render-$tagName" );
250	} else {
251	// Just stripping tags; keep the source
252	$output = $tag;
253	}
254
255	// Unstrip the output, to support recursive strip() calls
256	$output = $state->unstripBoth( $output );
257
258	if( !$stripcomments && $element == '!--' ) {
259	$commentState->setPair( $marker, $output );
260	} elseif ( $element == 'html' \|\| $element == 'nowiki' ) {
261	$nowikiItems[$marker] = $output;
262	} else {
263	$generalItems[$marker] = $output;
264	}
265	}
266	# Add the new items to the state
267	# We do this after the loop instead of during it to avoid slowing
268	# down the recursive unstrip
269	$state->nowiki->mergeArray( $nowikiItems );
270	$state->general->mergeArray( $generalItems );
271
272	# Unstrip comments unless explicitly told otherwise.
273	# (The comments are always stripped prior to this point, so as to
274	# not invoke any extension tags / parser hooks contained within
275	# a comment.)
276	if ( !$stripcomments ) {
277	// Put them all back and forget them
278	$text = $commentState->replace( $text );
279	}
280
281	$this->fck_matches = $matches;
282	wfProfileOut( __METHOD__ );
283	return $text;
284	}
285
286	/** Replace HTML comments with unique text using fck_addToStrtr function
287	*
288	* @private
289	* @param string $text
290	* @return string
291	*/
292	private function fck_replaceHTMLcomments( $text ) {
293	wfProfileIn( __METHOD__ );
294	while (($start = strpos($text, '<!--')) !== false) {
295	$end = strpos($text, '-->', $start + 4);
296	if ($end === false) {
297	# Unterminated comment; bail out
298	break;
299	}
300
301	$end += 3;
302
303	# Trim space and newline if the comment is both
304	# preceded and followed by a newline
305	$spaceStart = max($start - 1, 0);
306	$spaceLen = $end - $spaceStart;
307	while (substr($text, $spaceStart, 1) === ' ' && $spaceStart > 0) {
308	$spaceStart--;
309	$spaceLen++;
310	}
311	while (substr($text, $spaceStart + $spaceLen, 1) === ' ')
312	$spaceLen++;
313	if (substr($text, $spaceStart, 1) === "\n" and substr($text, $spaceStart + $spaceLen, 1) === "\n") {
314	# Remove the comment, leading and trailing
315	# spaces, and leave only one newline.
316	$replacement = $this->fck_addToStrtr(substr($text, $spaceStart, $spaceLen+1), false);
317	$text = substr_replace($text, $replacement."\n", $spaceStart, $spaceLen + 1);
318	}
319	else {
320	# Remove just the comment.
321	$replacement = $this->fck_addToStrtr(substr($text, $start, $end - $start), false);
322	$text = substr_replace($text, $replacement, $start, $end - $start);
323	}
324	}
325	wfProfileOut( __METHOD__ );
326
327	return $text;
328	}
329
330	function replaceInternalLinks( $text ) {
331	$text = preg_replace("/\[\[([^\|\[\]]*?)\]\]/", "[[$1\|RTENOTITLE]]", $text); //#2223: [[()]] => [[%1\|RTENOTITLE]]
332	$text = preg_replace("/\[\[:(.*?)\]\]/", "[[RTECOLON$1]]", $text); //change ':' => 'RTECOLON' in links
333	$text = parent::replaceInternalLinks($text);
334	$text = preg_replace("/\\|RTENOTITLE\]\]/", "]]", $text); // remove unused RTENOTITLE
335
336	return $text;
337	}
338
339	function makeImage( $nt, $options ) {
340	FCKeditorParser::$fkc_mw_makeImage_options = $options;
341	return parent::makeImage( $nt, $options );
342	}
343
344	/**
345	* Replace templates with unique text to preserve them from parsing
346	*
347	* @todo if {{template}} is inside string that also must be returned unparsed,
348	* e.g. <noinclude>{{template}}</noinclude>
349	* {{template}} replaced with Fckmw[n]fckmw which is wrong...
350	*
351	* @param string $text
352	* @return string
353	*/
354	private function fck_replaceTemplates( $text ) {
355
356	$callback = array('{' =>
357	array(
358	'end'=>'}',
359	'cb' => array(
360	2=>array('FCKeditorParser', 'fck_leaveTemplatesAlone'),
361	3=>array('FCKeditorParser', 'fck_leaveTemplatesAlone'),
362	),
363	'min' =>2,
364	'max' =>3,
365	)
366	);
367
368	$text = $this->replace_callback($text, $callback);
369
370	$tags = array();
371	$offset=0;
372	$textTmp = $text;
373	while (false !== ($pos = strpos($textTmp, "<!--FCK_SKIP_START-->")))
374	{
375	$tags[abs($pos + $offset)] = 1;
376	$textTmp = substr($textTmp, $pos+21);
377	$offset += $pos + 21;
378	}
379
380	$offset=0;
381	$textTmp = $text;
382	while (false !== ($pos = strpos($textTmp, "<!--FCK_SKIP_END-->")))
383	{
384	$tags[abs($pos + $offset)] = -1;
385	$textTmp = substr($textTmp, $pos+19);
386	$offset += $pos + 19;
387	}
388
389	if (!empty($tags)) {
390	ksort($tags);
391
392	$strtr = array("<!--FCK_SKIP_START-->" => "", "<!--FCK_SKIP_END-->" => "");
393
394	$sum=0;
395	$lastSum=0;
396	$finalString = "";
397	$stringToParse = "";
398	$startingPos = 0;
399	$inner = "";
400	$strtr_span = array();
401	foreach ($tags as $pos=>$type) {
402	$sum += $type;
403	if (!$pos) {
404	$opened = 0;
405	$closed = 0;
406	}
407	else {
408	$opened = substr_count($text, '[', 0, $pos); //count [
409	$closed = substr_count($text, ']', 0, $pos); //count ]
410	}
411	if ($sum == 1 && $lastSum == 0) {
412	$stringToParse .= strtr(substr($text, $startingPos, $pos - $startingPos), $strtr);
413	$startingPos = $pos;
414	}
415	else if ($sum == 0) {
416	$stringToParse .= 'Fckmw'.$this->fck_mw_strtr_span_counter.'fckmw';
417	$inner = htmlspecialchars(strtr(substr($text, $startingPos, $pos - $startingPos + 19), $strtr));
418	$this->fck_mw_strtr_span['href="Fckmw'.$this->fck_mw_strtr_span_counter.'fckmw"'] = 'href="'.$inner.'"';
419	if($opened <= $closed) { // {{template}} is NOT in [] or [[]]
420	$this->fck_mw_strtr_span['Fckmw'.$this->fck_mw_strtr_span_counter.'fckmw'] = '<span class="fck_mw_template">'.str_replace(array("\r\n", "\n", "\r"),"fckLR",$inner).'</span>';
421	}else{
422	$this->fck_mw_strtr_span['Fckmw'.$this->fck_mw_strtr_span_counter.'fckmw'] = str_replace(array("\r\n", "\n", "\r"),"fckLR",$inner);
423	}
424	$startingPos = $pos + 19;
425	$this->fck_mw_strtr_span_counter++;
426	}
427	$lastSum = $sum;
428	}
429	$stringToParse .= substr($text, $startingPos);
430	$text = &$stringToParse;
431	}
432
433	return $text;
434	}
435
436	function internalParse ( $text ) {
437
438	$this->fck_internal_parse_text =& $text;
439
440	//these three tags should remain unchanged
441	$text = StringUtils::delimiterReplaceCallback( '<includeonly>', '</includeonly>', array($this, 'fck_includeonly'), $text );
442	$text = StringUtils::delimiterReplaceCallback( '<noinclude>', '</noinclude>', array($this, 'fck_noinclude'), $text );
443	$text = StringUtils::delimiterReplaceCallback( '<onlyinclude>', '</onlyinclude>', array($this, 'fck_onlyinclude'), $text );
444
445	//html comments shouldn't be stripped
446	$text = $this->fck_replaceHTMLcomments( $text );
447	//as well as templates
448	$text = $this->fck_replaceTemplates( $text );
449
450	$finalString = parent::internalParse($text);
451
452	return $finalString;
453	}
454	function fck_includeonly( $matches ) {
455	return $this->fck_wikiTag('includeonly', $matches[1]);
456	}
457	function fck_noinclude( $matches ) {
458	return $this->fck_wikiTag('noinclude', $matches[1]);
459	}
460	function fck_onlyinclude( $matches ) {
461	return $this->fck_wikiTag('onlyinclude', $matches[1]);
462	}
463	function fck_leaveTemplatesAlone( $matches ) {
464	return "<!--FCK_SKIP_START-->".$matches['text']."<!--FCK_SKIP_END-->";
465	}
466	function formatHeadings( $text, $isMain=true ) {
467	return $text;
468	}
469	function replaceFreeExternalLinks( $text ) { return $text; }
470	function stripNoGallery(&$text) {}
471	function stripToc( $text ) {
472	//$prefix = '<span class="fck_mw_magic">';
473	//$suffix = '</span>';
474	$prefix = '';
475	$suffix = '';
476
477	$strtr = array();
478	foreach ($this->FCKeditorMagicWords as $word) {
479	$strtr[$word] = $prefix . $word . $suffix;
480	}
481
482	return strtr( $text, $strtr );
483	}
484
485	function doDoubleUnderscore( $text ) {
486	return $text;
487	}
488
489	function parse( $text, &$title, $options, $linestart = true, $clearState = true, $revid = null ) {
490	$text = preg_replace("/^#REDIRECT/", "<!--FCK_REDIRECT-->", $text);
491	$parserOutput = parent::parse($text, $title, $options, $linestart , $clearState , $revid );
492
493	$categories = $parserOutput->getCategories();
494	if ($categories) {
495	$appendString = "";
496	foreach ($categories as $cat=>$val) {
497	$args = '';
498	if( $val == 'RTENOTITLE' ){
499	$args .= '_fcknotitle="true" ';
500	$val = $cat;
501	}
502	if ($val != $title->mTextform) {
503	$appendString .= "<a ".$args."href=\"Category:" . $cat ."\">" . $val ."</a> ";
504	}
505	else {
506	$appendString .= "<a ".$args."href=\"Category:" . $cat ."\">Category:" . $cat ."</a> ";
507	}
508	}
509	$parserOutput->setText($parserOutput->getText() . $appendString);
510	}
511
512	if (!empty($this->fck_mw_strtr_span)) {
513	global $leaveRawTemplates;
514	if (!empty($leaveRawTemplates)) {
515	foreach ($leaveRawTemplates as $l) {
516	$this->fck_mw_strtr_span[$l] = substr($this->fck_mw_strtr_span[$l], 30, -7);
517	}
518	}
519	$text = strtr($parserOutput->getText(), $this->fck_mw_strtr_span);
520	$parserOutput->setText(strtr($text, $this->fck_mw_strtr_span));
521	}
522	if (!empty($this->fck_matches)) {
523	$text = $parserOutput->getText() ;
524	foreach ($this->fck_matches as $key => $m) {
525	$text = str_replace( $key, $m[3], $text);
526	}
527	$parserOutput->setText($text);
528	}
529
530	if (!empty($parserOutput->mLanguageLinks)) {
531	foreach ($parserOutput->mLanguageLinks as $l) {
532	$parserOutput->setText($parserOutput->getText() . "\n" . "<a href=\"".$l."\">".$l."</a>") ;
533	}
534	}
535
536	$parserOutput->setText(str_replace("<!--FCK_REDIRECT-->", "#REDIRECT", $parserOutput->getText()));
537
538	return $parserOutput;
539	}
540
541	/**
542	* Make lists from lines starting with ':', '*', '#', etc.
543	*
544	* @private
545	* @return string the lists rendered as HTML
546	*/
547	function doBlockLevels( $text, $linestart ) {
548	$fname = 'Parser::doBlockLevels';
549	wfProfileIn( $fname );
550
551	# Parsing through the text line by line. The main thing
552	# happening here is handling of block-level elements p, pre,
553	# and making lists from lines starting with * # : etc.
554	#
555	$textLines = explode( "\n", $text );
556
557	$lastPrefix = $output = '';
558	$this->mDTopen = $inBlockElem = false;
559	$prefixLength = 0;
560	$paragraphStack = false;
561
562	if ( !$linestart ) {
563	$output .= array_shift( $textLines );
564	}
565	foreach ( $textLines as $oLine ) {
566	$lastPrefixLength = strlen( $lastPrefix );
567	$preCloseMatch = preg_match('/<\\/pre/i', $oLine );
568	$preOpenMatch = preg_match('/<pre/i', $oLine );
569	if ( !$this->mInPre ) {
570	# Multiple prefixes may abut each other for nested lists.
571	$prefixLength = strspn( $oLine, '*#:;' );
572	$pref = substr( $oLine, 0, $prefixLength );
573
574	# eh?
575	$pref2 = str_replace( ';', ':', $pref );
576	$t = substr( $oLine, $prefixLength );
577	$this->mInPre = !empty($preOpenMatch);
578	} else {
579	# Don't interpret any other prefixes in preformatted text
580	$prefixLength = 0;
581	$pref = $pref2 = '';
582	$t = $oLine;
583	}
584
585	# List generation
586	if( $prefixLength && 0 == strcmp( $lastPrefix, $pref2 ) ) {
587	# Same as the last item, so no need to deal with nesting or opening stuff
588	$output .= $this->nextItem( substr( $pref, -1 ) );
589	$paragraphStack = false;
590
591	if ( substr( $pref, -1 ) == ';') {
592	# The one nasty exception: definition lists work like this:
593	# ; title : definition text
594	# So we check for : in the remainder text to split up the
595	# title and definition, without b0rking links.
596	$term = $t2 = '';
597	if ($this->findColonNoLinks($t, $term, $t2) !== false) {
598	$t = $t2;
599	$output .= $term . $this->nextItem( ':' );
600	}
601	}
602	} elseif( $prefixLength \|\| $lastPrefixLength ) {
603	# Either open or close a level...
604	$commonPrefixLength = $this->getCommon( $pref, $lastPrefix );
605	$paragraphStack = false;
606
607	while( $commonPrefixLength < $lastPrefixLength ) {
608	$output .= $this->closeList( $lastPrefix{$lastPrefixLength-1} );
609	--$lastPrefixLength;
610	}
611	if ( $prefixLength <= $commonPrefixLength && $commonPrefixLength > 0 ) {
612	$output .= $this->nextItem( $pref{$commonPrefixLength-1} );
613	}
614	while ( $prefixLength > $commonPrefixLength ) {
615	$char = substr( $pref, $commonPrefixLength, 1 );
616	$output .= $this->openList( $char );
617
618	if ( ';' == $char ) {
619	# FIXME: This is dupe of code above
620	if ($this->findColonNoLinks($t, $term, $t2) !== false) {
621	$t = $t2;
622	$output .= $term . $this->nextItem( ':' );
623	}
624	}
625	++$commonPrefixLength;
626	}
627	$lastPrefix = $pref2;
628	}
629	if( 0 == $prefixLength ) {
630	wfProfileIn( "$fname-paragraph" );
631	# No prefix (not in list)--go to paragraph mode
632	// XXX: use a stack for nestable elements like span, table and div
633	$openmatch = preg_match('/(?:<table\|<blockquote\|<h1\|<h2\|<h3\|<h4\|<h5\|<h6\|<pre\|<tr\|<p\|<ul\|<ol\|<li\|<\\/tr\|<\\/td\|<\\/th)/iS', $t );
634	$closematch = preg_match(
635	'/(?:<\\/table\|<\\/blockquote\|<\\/h1\|<\\/h2\|<\\/h3\|<\\/h4\|<\\/h5\|<\\/h6\|'.
636	'<td\|<th\|<\\/?div\|<hr\|<\\/pre\|<\\/p\|'.$this->mUniqPrefix.'-pre\|<\\/li\|<\\/ul\|<\\/ol\|<\\/?center)/iS', $t );
637	if ( $openmatch or $closematch ) {
638	$paragraphStack = false;
639	# TODO bug 5718: paragraph closed
640	$output .= $this->closeParagraph();
641	if ( $preOpenMatch and !$preCloseMatch ) {
642	$this->mInPre = true;
643	}
644	if ( $closematch ) {
645	$inBlockElem = false;
646	} else {
647	$inBlockElem = true;
648	}
649	} else if ( !$inBlockElem && !$this->mInPre ) {
650	if ( ' ' == $t{0} and ( $this->mLastSection == 'pre' or trim($t) != '' ) ) {
651	// pre
652	if ($this->mLastSection != 'pre') {
653	$paragraphStack = false;
654	$output .= $this->closeParagraph().'<pre class="_fck_mw_lspace">';
655	$this->mLastSection = 'pre';
656	}
657	$t = substr( $t, 1 );
658	} else {
659	// paragraph
660	if ( '' == trim($t) ) {
661	if ( $paragraphStack ) {
662	$output .= $paragraphStack.'<br />';
663	$paragraphStack = false;
664	$this->mLastSection = 'p';
665	} else {
666	if ($this->mLastSection != 'p' ) {
667	$output .= $this->closeParagraph();
668	$this->mLastSection = '';
669	$paragraphStack = '<p>';
670	} else {
671	$paragraphStack = '</p><p>';
672	}
673	}
674	} else {
675	if ( $paragraphStack ) {
676	$output .= $paragraphStack;
677	$paragraphStack = false;
678	$this->mLastSection = 'p';
679	} else if ($this->mLastSection != 'p') {
680	$output .= $this->closeParagraph().'<p>';
681	$this->mLastSection = 'p';
682	}
683	}
684	}
685	}
686	wfProfileOut( "$fname-paragraph" );
687	}
688	// somewhere above we forget to get out of pre block (bug 785)
689	if($preCloseMatch && $this->mInPre) {
690	$this->mInPre = false;
691	}
692	if ($paragraphStack === false) {
693	$output .= $t."\n";
694	}
695	}
696	while ( $prefixLength ) {
697	$output .= $this->closeList( $pref2{$prefixLength-1} );
698	--$prefixLength;
699	}
700	if ( '' != $this->mLastSection ) {
701	$output .= '</' . $this->mLastSection . '>';
702	$this->mLastSection = '';
703	}
704
705	wfProfileOut( $fname );
706	return $output;
707	}
708	}

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