3 include_once('Tokenizer.php');
5 if( $GLOBALS['wgUseWikiHiero'] ){
6 include_once('wikihiero.php');
11 # Processes wiki markup
13 # There are two main entry points into the Parser class: parse() and preSaveTransform().
14 # The parse() function produces HTML output, preSaveTransform() produces altered wiki markup.
17 # objects: $wgLang, $wgDateFormatter, $wgLinkCache, $wgCurParser
19 # NOT $wgArticle, $wgUser or $wgTitle. Keep them away!
21 # settings: $wgUseTex*, $wgUseCategoryMagic*, $wgUseDynamicDates*, $wgInterwikiMagic*,
22 # $wgNamespacesWithSubpages, $wgLanguageCode, $wgAllowExternalImages*,
25 # * only within ParserOptions
28 #----------------------------------------
29 # Variable substitution O(N^2) attack
30 #-----------------------------------------
31 # Without countermeasures, it would be possible to attack the parser by saving a page
32 # filled with a large number of inclusions of large pages. The size of the generated
33 # page would be proportional to the square of the input size. Hence, we limit the number
34 # of inclusions of any given page, thus bringing any attack back to O(N).
36 define( "MAX_INCLUDE_REPEAT", 5 );
38 # Recursion depth of variable/inclusion evaluation
39 define( "MAX_INCLUDE_PASSES", 3 );
41 # Allowed values for $mOutputType
42 define( "OT_HTML", 1 );
43 define( "OT_WIKI", 2 );
44 define( "OT_MSG", 3 );
48 # Cleared with clearState():
49 var $mOutput, $mAutonumber, $mLastSection, $mDTopen, $mStripState = array();
50 var $mVariables, $mIncludeCount;
53 var $mOptions, $mTitle, $mOutputType;
62 $this->mOutput
= new ParserOutput
;
63 $this->mAutonumber
= 0;
64 $this->mLastSection
= "";
65 $this->mDTopen
= false;
66 $this->mVariables
= false;
67 $this->mIncludeCount
= array();
68 $this->mStripState
= array();
71 # First pass--just handle <nowiki> sections, pass the rest off
72 # to doWikiPass2() which does all the real work.
74 # Returns a ParserOutput
76 function parse( $text, &$title, $options, $linestart = true, $clearState = true )
78 $fname = "Parser::parse";
79 wfProfileIn( $fname );
85 $this->mOptions
= $options;
86 $this->mTitle
=& $title;
87 $this->mOutputType
= OT_HTML
;
90 $text = $this->strip( $text, $this->mStripState
);
91 $text = $this->doWikiPass2( $text, $linestart );
92 $text = $this->unstrip( $text, $this->mStripState
);
94 $this->mOutput
->setText( $text );
95 wfProfileOut( $fname );
96 return $this->mOutput
;
99 /* static */ function getRandomString()
101 return dechex(mt_rand(0, 0x7fffffff)) . dechex(mt_rand(0, 0x7fffffff));
104 # Replaces all occurences of <$tag>content</$tag> in the text
105 # with a random marker and returns the new text. the output parameter
106 # $content will be an associative array filled with data on the form
107 # $unique_marker => content.
109 /* static */ function extractTags($tag, $text, &$content, $uniq_prefix = ""){
111 $rnd = $uniq_prefix . Parser
::getRandomString();
116 while ( "" != $text ) {
117 $p = preg_split( "/<\\s*$tag\\s*>/i", $text, 2 );
119 if ( ( count( $p ) < 2 ) ||
( "" == $p[1] ) ) {
122 $q = preg_split( "/<\\/\\s*$tag\\s*>/i", $p[1], 2 );
123 $marker = $rnd . sprintf("%08X", $n++
);
124 $content[$marker] = $q[0];
125 $stripped .= $marker;
132 # Strips <nowiki>, <pre> and <math>
133 # Returns the text, and fills an array with data needed in unstrip()
135 function strip( $text, &$state )
137 $render = ($this->mOutputType
== OT_HTML
);
138 $nowiki_content = array();
139 $hiero_content = array();
140 $math_content = array();
141 $pre_content = array();
143 # Replace any instances of the placeholders
144 $uniq_prefix = "NaodW29";
145 $text = str_replace( $uniq_prefix, wfHtmlEscapeFirst( $uniq_prefix ), $text );
147 $text = Parser
::extractTags("nowiki", $text, $nowiki_content, $uniq_prefix);
148 foreach( $nowiki_content as $marker => $content ){
150 $nowiki_content[$marker] = wfEscapeHTMLTagsOnly( $content );
152 $nowiki_content[$marker] = "<nowiki>$content</nowiki>";
156 if( $GLOBALS['wgUseWikiHiero'] ){
157 $text = Parser
::extractTags("hiero", $text, $hiero_content, $uniq_prefix);
158 foreach( $hiero_content as $marker => $content ){
160 $hiero_content[$marker] = WikiHiero( $content, WH_MODE_HTML
);
162 $hiero_content[$marker] = "<hiero>$content</hiero>";
167 if( $this->mOptions
->getUseTeX() ){
168 $text = Parser
::extractTags("math", $text, $math_content, $uniq_prefix);
169 foreach( $math_content as $marker => $content ){
171 $math_content[$marker] = renderMath( $content );
173 $math_content[$marker] = "<math>$content</math>";
178 $text = Parser
::extractTags("pre", $text, $pre_content, $uniq_prefix);
179 foreach( $pre_content as $marker => $content ){
181 $pre_content[$marker] = "\n<pre>" . wfEscapeHTMLTagsOnly( $content ) . "</pre>";
183 $pre_content[$marker] = "\n<pre>$content</pre>";
187 # Must expand in reverse order, otherwise nested tags will be corrupted
188 $state = array( $pre_content, $math_content, $hiero_content, $nowiki_content );
192 function unstrip( $text, &$state )
194 foreach( $state as $content_dict ){
195 foreach( $content_dict as $marker => $content ){
196 $text = str_replace( $marker, $content, $text );
202 function categoryMagic ()
204 global $wgLang , $wgUser ;
205 if ( !$this->mOptions
->getUseCategoryMagic() ) return ;
206 $id = $this->mTitle
->getArticleID() ;
207 $cat = $wgLang->ucfirst ( wfMsg ( "category" ) ) ;
208 $ti = $this->mTitle
->getText() ;
209 $ti = explode ( ":" , $ti , 2 ) ;
210 if ( $cat != $ti[0] ) return "" ;
211 $r = "<br break='all' />\n" ;
213 $articles = array() ;
214 $parents = array () ;
215 $children = array() ;
218 # $sk =& $this->mGetSkin();
219 $sk =& $wgUser->getSkin() ;
222 $sql1 = "SELECT DISTINCT cur_title,cur_namespace FROM cur,links WHERE l_to={$id} AND l_from=cur_id";
223 $sql2 = "SELECT DISTINCT cur_title,cur_namespace FROM cur,brokenlinks WHERE bl_to={$id} AND bl_from=cur_id" ;
225 $res = wfQuery ( $sql1, DB_READ
) ;
226 while ( $x = wfFetchObject ( $res ) ) $data[] = $x ;
228 $res = wfQuery ( $sql2, DB_READ
) ;
229 while ( $x = wfFetchObject ( $res ) ) $data[] = $x ;
232 foreach ( $data AS $x )
234 $t = $wgLang->getNsText ( $x->cur_namespace
) ;
235 if ( $t != "" ) $t .= ":" ;
236 $t .= $x->cur_title
;
238 $y = explode ( ":" , $t , 2 ) ;
239 if ( count ( $y ) == 2 && $y[0] == $cat ) {
240 array_push ( $children , $sk->makeLink ( $t , $y[1] ) ) ;
242 array_push ( $articles , $sk->makeLink ( $t ) ) ;
245 wfFreeResult ( $res ) ;
248 if ( count ( $children ) > 0 )
250 asort ( $children ) ;
251 $r .= "<h2>".wfMsg("subcategories")."</h2>\n" ;
252 $r .= implode ( ", " , $children ) ;
256 if ( count ( $articles ) > 0 )
258 asort ( $articles ) ;
259 $h = wfMsg( "category_header", $ti[1] );
260 $r .= "<h2>{$h}</h2>\n" ;
261 $r .= implode ( ", " , $articles ) ;
268 function getHTMLattrs ()
270 $htmlattrs = array( # Allowed attributes--no scripting, etc.
271 "title", "align", "lang", "dir", "width", "height",
272 "bgcolor", "clear", /* BR */ "noshade", /* HR */
273 "cite", /* BLOCKQUOTE, Q */ "size", "face", "color",
274 /* FONT */ "type", "start", "value", "compact",
275 /* For various lists, mostly deprecated but safe */
276 "summary", "width", "border", "frame", "rules",
277 "cellspacing", "cellpadding", "valign", "char",
278 "charoff", "colgroup", "col", "span", "abbr", "axis",
279 "headers", "scope", "rowspan", "colspan", /* Tables */
280 "id", "class", "name", "style" /* For CSS */
285 function fixTagAttributes ( $t )
287 if ( trim ( $t ) == "" ) return "" ; # Saves runtime ;-)
288 $htmlattrs = $this->getHTMLattrs() ;
290 # Strip non-approved attributes from the tag
292 "/(\\w+)(\\s*=\\s*([^\\s\">]+|\"[^\">]*\"))?/e",
293 "(in_array(strtolower(\"\$1\"),\$htmlattrs)?(\"\$1\".((\"x\$3\" != \"x\")?\"=\$3\":'')):'')",
295 # Strip javascript "expression" from stylesheets. Brute force approach:
296 # If anythin offensive is found, all attributes of the HTML tag are dropped
299 "/style\\s*=.*(expression|tps*:\/\/|url\\s*\().*/is",
300 wfMungeToUtf8( $t ) ) )
308 function doTableStuff ( $t )
310 $t = explode ( "\n" , $t ) ;
311 $td = array () ; # Is currently a td tag open?
312 $ltd = array () ; # Was it TD or TH?
313 $tr = array () ; # Is currently a tr tag open?
314 $ltr = array () ; # tr attributes
315 foreach ( $t AS $k => $x )
318 $fc = substr ( $x , 0 , 1 ) ;
319 if ( "{|" == substr ( $x , 0 , 2 ) )
321 $t[$k] = "\n<table " . $this->fixTagAttributes ( substr ( $x , 3 ) ) . ">" ;
322 array_push ( $td , false ) ;
323 array_push ( $ltd , "" ) ;
324 array_push ( $tr , false ) ;
325 array_push ( $ltr , "" ) ;
327 else if ( count ( $td ) == 0 ) { } # Don't do any of the following
328 else if ( "|}" == substr ( $x , 0 , 2 ) )
331 $l = array_pop ( $ltd ) ;
332 if ( array_pop ( $tr ) ) $z = "</tr>" . $z ;
333 if ( array_pop ( $td ) ) $z = "</{$l}>" . $z ;
337 /* else if ( "|_" == substr ( $x , 0 , 2 ) ) # Caption
339 $z = trim ( substr ( $x , 2 ) ) ;
340 $t[$k] = "<caption>{$z}</caption>\n" ;
342 else if ( "|-" == substr ( $x , 0 , 2 ) ) # Allows for |---------------
344 $x = substr ( $x , 1 ) ;
345 while ( $x != "" && substr ( $x , 0 , 1 ) == '-' ) $x = substr ( $x , 1 ) ;
347 $l = array_pop ( $ltd ) ;
348 if ( array_pop ( $tr ) ) $z = "</tr>" . $z ;
349 if ( array_pop ( $td ) ) $z = "</{$l}>" . $z ;
352 array_push ( $tr , false ) ;
353 array_push ( $td , false ) ;
354 array_push ( $ltd , "" ) ;
355 array_push ( $ltr , $this->fixTagAttributes ( $x ) ) ;
357 else if ( "|" == $fc ||
"!" == $fc ||
"|+" == substr ( $x , 0 , 2 ) ) # Caption
359 if ( "|+" == substr ( $x , 0 , 2 ) )
362 $x = substr ( $x , 1 ) ;
364 $after = substr ( $x , 1 ) ;
365 if ( $fc == "!" ) $after = str_replace ( "!!" , "||" , $after ) ;
366 $after = explode ( "||" , $after ) ;
368 foreach ( $after AS $theline )
373 $tra = array_pop ( $ltr ) ;
374 if ( !array_pop ( $tr ) ) $z = "<tr {$tra}>\n" ;
375 array_push ( $tr , true ) ;
376 array_push ( $ltr , "" ) ;
379 $l = array_pop ( $ltd ) ;
380 if ( array_pop ( $td ) ) $z = "</{$l}>" . $z ;
381 if ( $fc == "|" ) $l = "td" ;
382 else if ( $fc == "!" ) $l = "th" ;
383 else if ( $fc == "+" ) $l = "caption" ;
385 array_push ( $ltd , $l ) ;
386 $y = explode ( "|" , $theline , 2 ) ;
387 if ( count ( $y ) == 1 ) $y = "{$z}<{$l}>{$y[0]}" ;
388 else $y = $y = "{$z}<{$l} ".$this->fixTagAttributes($y[0]).">{$y[1]}" ;
390 array_push ( $td , true ) ;
395 # Closing open td, tr && table
396 while ( count ( $td ) > 0 )
398 if ( array_pop ( $td ) ) $t[] = "</td>" ;
399 if ( array_pop ( $tr ) ) $t[] = "</tr>" ;
403 $t = implode ( "\n" , $t ) ;
404 # $t = $this->removeHTMLtags( $t );
408 # Well, OK, it's actually about 14 passes. But since all the
409 # hard lifting is done inside PHP's regex code, it probably
410 # wouldn't speed things up much to add a real parser.
412 function doWikiPass2( $text, $linestart )
414 $fname = "Parser::doWikiPass2";
415 wfProfileIn( $fname );
417 $text = $this->removeHTMLtags( $text );
418 $text = $this->replaceVariables( $text );
420 # $text = preg_replace( "/(^|\n)-----*/", "\\1<hr>", $text );
422 $text = $this->doHeadings( $text );
424 if($this->mOptions
->getUseDynamicDates()) {
425 global $wgDateFormatter;
426 $text = $wgDateFormatter->reformat( $this->mOptions
->getDateFormat(), $text );
429 $text = ' '.$this->replaceExternalLinks( $text );
430 $text = $this->doTokenizedParser ( $text );
431 $text = $this->doTableStuff ( $text ) ;
433 $text = $this->formatHeadings( $text );
435 $sk =& $this->mOptions
->getSkin();
436 $text = $sk->transformContent( $text );
438 "/<hr *>/i" => '<hr/>',
439 "/<br *>/i" => '<br/>',
440 "/<center *>/i"=>'<span style="text-align:center;">',
441 "/<\\/center *>/i" => '</span>'
443 $text = preg_replace( array_keys($fixtags), array_values($fixtags), $text );
444 $text = $this->doBlockLevels( $text, $linestart );
445 $text .= $this->categoryMagic () ;
447 wfProfileOut( $fname );
452 /* private */ function doHeadings( $text )
454 for ( $i = 6; $i >= 1; --$i ) {
455 $h = substr( "======", 0, $i );
456 $text = preg_replace( "/^{$h}(.+){$h}(\\s|$)/m",
457 "<h{$i}>\\1</h{$i}>\\2", $text );
462 # Note: we have to do external links before the internal ones,
463 # and otherwise take great care in the order of things here, so
464 # that we don't end up interpreting some URLs twice.
466 /* private */ function replaceExternalLinks( $text )
468 $fname = "Parser::replaceExternalLinks";
469 wfProfileIn( $fname );
470 $text = $this->subReplaceExternalLinks( $text, "http", true );
471 $text = $this->subReplaceExternalLinks( $text, "https", true );
472 $text = $this->subReplaceExternalLinks( $text, "ftp", false );
473 $text = $this->subReplaceExternalLinks( $text, "irc", false );
474 $text = $this->subReplaceExternalLinks( $text, "gopher", false );
475 $text = $this->subReplaceExternalLinks( $text, "news", false );
476 $text = $this->subReplaceExternalLinks( $text, "mailto", false );
477 wfProfileOut( $fname );
481 /* private */ function subReplaceExternalLinks( $s, $protocol, $autonumber )
483 $unique = "4jzAfzB8hNvf4sqyO9Edd8pSmk9rE2in0Tgw3";
484 $uc = "A-Za-z0-9_\\/~%\\-+&*#?!=()@\\x80-\\xFF";
486 # this is the list of separators that should be ignored if they
487 # are the last character of an URL but that should be included
488 # if they occur within the URL, e.g. "go to www.foo.com, where .."
489 # in this case, the last comma should not become part of the URL,
490 # but in "www.foo.com/123,2342,32.htm" it should.
492 $fnc = "A-Za-z0-9_.,~%\\-+&;#*?!=()@\\x80-\\xFF";
493 $images = "gif|png|jpg|jpeg";
495 # PLEASE NOTE: The curly braces { } are not part of the regex,
496 # they are interpreted as part of the string (used to tell PHP
497 # that the content of the string should be inserted there).
498 $e1 = "/(^|[^\\[])({$protocol}:)([{$uc}{$sep}]+)\\/([{$fnc}]+)\\." .
499 "((?i){$images})([^{$uc}]|$)/";
501 $e2 = "/(^|[^\\[])({$protocol}:)(([".$uc."]|[".$sep."][".$uc."])+)([^". $uc . $sep. "]|[".$sep."]|$)/";
502 $sk =& $this->mOptions
->getSkin();
504 if ( $autonumber and $this->mOptions
->getAllowExternalImages() ) { # Use img tags only for HTTP urls
505 $s = preg_replace( $e1, "\\1" . $sk->makeImage( "{$unique}:\\3" .
506 "/\\4.\\5", "\\4.\\5" ) . "\\6", $s );
508 $s = preg_replace( $e2, "\\1" . "<a href=\"{$unique}:\\3\"" .
509 $sk->getExternalLinkAttributes( "{$unique}:\\3", wfEscapeHTML(
510 "{$unique}:\\3" ) ) . ">" . wfEscapeHTML( "{$unique}:\\3" ) .
512 $s = str_replace( $unique, $protocol, $s );
514 $a = explode( "[{$protocol}:", " " . $s );
515 $s = array_shift( $a );
516 $s = substr( $s, 1 );
518 $e1 = "/^([{$uc}"."{$sep}]+)](.*)\$/sD";
519 $e2 = "/^([{$uc}"."{$sep}]+)\\s+([^\\]]+)](.*)\$/sD";
521 foreach ( $a as $line ) {
522 if ( preg_match( $e1, $line, $m ) ) {
523 $link = "{$protocol}:{$m[1]}";
525 if ( $autonumber ) { $text = "[" . ++
$this->mAutonumber
. "]"; }
526 else { $text = wfEscapeHTML( $link ); }
527 } else if ( preg_match( $e2, $line, $m ) ) {
528 $link = "{$protocol}:{$m[1]}";
532 $s .= "[{$protocol}:" . $line;
535 if( $link == $text ||
preg_match( "!$protocol://" . preg_quote( $text, "/" ) . "/?$!", $link ) ) {
538 # Expand the URL for printable version
539 $paren = "<span class='urlexpansion'> (<i>" . htmlspecialchars ( $link ) . "</i>)</span>";
541 $la = $sk->getExternalLinkAttributes( $link, $text );
542 $s .= "<a href='{$link}'{$la}>{$text}</a>{$paren}{$trail}";
548 /* private */ function handle3Quotes( &$state, $token )
550 if ( $state["strong"] ) {
551 if ( $state["em"] && $state["em"] > $state["strong"] )
553 # ''' lala ''lala '''
554 $s = "</em></strong><em>";
558 $state["strong"] = FALSE;
561 $state["strong"] = $token["pos"];
566 /* private */ function handle2Quotes( &$state, $token )
568 if ( $state["em"] ) {
569 if ( $state["strong"] && $state["strong"] > $state["em"] )
571 # ''lala'''lala'' ....'''
572 $s = "</strong></em><strong>";
576 $state["em"] = FALSE;
579 $state["em"] = $token["pos"];
584 /* private */ function handle5Quotes( &$state, $token )
587 if ( $state["em"] && $state["strong"] ) {
588 if ( $state["em"] < $state["strong"] ) {
589 $s .= "</strong></em>";
591 $s .= "</em></strong>";
593 $state["strong"] = $state["em"] = FALSE;
594 } elseif ( $state["em"] ) {
595 $s .= "</em><strong>";
596 $state["em"] = FALSE;
597 $state["strong"] = $token["pos"];
598 } elseif ( $state["strong"] ) {
599 $s .= "</strong><em>";
600 $state["strong"] = FALSE;
601 $state["em"] = $token["pos"];
602 } else { # not $em and not $strong
603 $s .= "<strong><em>";
604 $state["strong"] = $state["em"] = $token["pos"];
609 /* private */ function doTokenizedParser( $str )
611 global $wgLang; # for language specific parser hook
613 $tokenizer=Tokenizer
::newFromString( $str );
614 $tokenStack = array();
617 $state["em"] = FALSE;
618 $state["strong"] = FALSE;
622 # The tokenizer splits the text into tokens and returns them one by one.
623 # Every call to the tokenizer returns a new token.
624 while ( $token = $tokenizer->nextToken() )
627 switch ( $token["type"] )
630 # simple text with no further markup
631 $txt = $token["text"];
634 # remember the tag opened with 3 [
638 # FIXME : Treat orphaned open tags (stack not empty when text is over)
640 array_push( $tokenStack, $token );
647 # get text from stack, glue it together, and call the code to handle a
650 if ( count( $tokenStack ) == 0 )
652 # stack empty. Found a ]] without an opening [[
656 $lastToken = array_pop( $tokenStack );
657 while ( !(($lastToken["type"] == "[[[") or ($lastToken["type"] == "[[")) )
659 if( !empty( $lastToken["text"] ) ) {
660 $linkText = $lastToken["text"] . $linkText;
662 $lastToken = array_pop( $tokenStack );
665 $txt = $linkText ."]]";
667 if( isset( $lastToken["text"] ) ) {
668 $prefix = $lastToken["text"];
672 $nextToken = $tokenizer->previewToken();
673 if ( $nextToken["type"] == "text" )
675 # Preview just looks at it. Now we have to fetch it.
676 $nextToken = $tokenizer->nextToken();
677 $txt .= $nextToken["text"];
679 $txt = $this->handleInternalLink( $txt, $prefix );
681 # did the tag start with 3 [ ?
683 # show the first as text
689 $tagIsOpen = (count( $tokenStack ) != 0);
695 # This and the three next ones handle quotes
696 $txt = $this->handle3Quotes( $state, $token );
699 $txt = $this->handle2Quotes( $state, $token );
702 $txt = $this->handle5Quotes( $state, $token );
712 $txt = $this->doMagicRFC( $tokenizer );
719 $txt = $this->doMagicISBN( $tokenizer );
723 # Call language specific Hook.
724 $txt = $wgLang->processToken( $token, $tokenStack );
725 if ( NULL == $txt ) {
726 # An unkown token. Highlight.
727 $txt = "<font color=\"#FF0000\"><b>".$token["type"]."</b></font>";
728 $txt .= "<font color=\"#FFFF00\"><b>".$token["text"]."</b></font>";
732 # If we're parsing the interior of a link, don't append the interior to $s,
733 # but push it to the stack so it can be processed when a ]] token is found.
734 if ( $tagIsOpen && $txt != "" ) {
735 $token["type"] = "text";
736 $token["text"] = $txt;
737 array_push( $tokenStack, $token );
742 if ( count( $tokenStack ) != 0 )
744 # still objects on stack. opened [[ tag without closing ]] tag.
746 while ( $lastToken = array_pop( $tokenStack ) )
748 if ( $lastToken["type"] == "text" )
750 $txt = $lastToken["text"] . $txt;
752 $txt = $lastToken["type"] . $txt;
760 /* private */ function handleInternalLink( $line, $prefix )
762 global $wgLang, $wgLinkCache;
763 global $wgNamespacesWithSubpages, $wgLanguageCode;
764 static $fname = "Parser::handleInternalLink" ;
765 wfProfileIn( $fname );
767 wfProfileIn( "$fname-setup" );
769 if ( !$tc ) { $tc = Title
::legalChars() . "#"; }
770 $sk =& $this->mOptions
->getSkin();
772 # Match a link having the form [[namespace:link|alternate]]trail
774 if ( !$e1 ) { $e1 = "/^([{$tc}]+)(?:\\|([^]]+))?]](.*)\$/sD"; }
775 # Match the end of a line for a word that's not followed by whitespace,
776 # e.g. in the case of 'The Arab al[[Razi]]', 'al' will be matched
777 #$e2 = "/^(.*)\\b(\\w+)\$/suD";
778 #$e2 = "/^(.*\\s)(\\S+)\$/suD";
779 static $e2 = '/^(.*\s)([a-zA-Z\x80-\xff]+)$/sD';
782 # Special and Media are pseudo-namespaces; no pages actually exist in them
783 static $image = FALSE;
784 static $special = FALSE;
785 static $media = FALSE;
786 static $category = FALSE;
787 if ( !$image ) { $image = Namespace::getImage(); }
788 if ( !$special ) { $special = Namespace::getSpecial(); }
789 if ( !$media ) { $media = Namespace::getMedia(); }
790 if ( !$category ) { $category = wfMsg ( "category" ) ; }
792 $nottalk = !Namespace::isTalk( $this->mTitle
->getNamespace() );
794 wfProfileOut( "$fname-setup" );
797 if ( preg_match( $e1, $line, $m ) ) { # page with normal text or alt
800 } else { # Invalid form; output directly
801 $s .= $prefix . "[[" . $line ;
807 :Foobar -- override special treatment of prefix (images, language links)
808 /Foobar -- convert to CurrentPage/Foobar
809 /Foobar/ -- convert to CurrentPage/Foobar, strip the initial / from text
811 $c = substr($m[1],0,1);
812 $noforce = ($c != ":");
813 if( $c == "/" ) { # subpage
814 if(substr($m[1],-1,1)=="/") { # / at end means we don't want the slash to be shown
815 $m[1]=substr($m[1],1,strlen($m[1])-2);
818 $noslash=substr($m[1],1);
820 if($wgNamespacesWithSubpages[$this->mTitle
->getNamespace()]) { # subpages allowed here
821 $link = $this->mTitle
->getPrefixedText(). "/" . trim($noslash);
824 } # this might be changed for ugliness reasons
826 $link = $noslash; # no subpage allowed, use standard link
828 } elseif( $noforce ) { # no subpage
831 $link = substr( $m[1], 1 );
836 $nt = Title
::newFromText( $link );
838 $s .= $prefix . "[[" . $line;
841 $ns = $nt->getNamespace();
842 $iw = $nt->getInterWiki();
844 if( $iw && $this->mOptions
->getInterwikiMagic() && $nottalk && $wgLang->getLanguageName( $iw ) ) {
845 array_push( $this->mOutput
->mLanguageLinks
, $nt->getPrefixedText() );
846 return (trim($s) == '')?
'': $s;
848 if( $ns == $image ) {
849 $s .= $prefix . $sk->makeImageLinkObj( $nt, $text ) . $trail;
850 $wgLinkCache->addImageLinkObj( $nt );
854 if( ( $nt->getPrefixedText() == $this->mTitle
->getPrefixedText() ) &&
855 ( strpos( $link, "#" ) == FALSE ) ) {
856 $s .= $prefix . "<strong>" . $text . "</strong>" . $trail;
861 $catns = strtoupper ( $nt->getDBkey () ) ;
862 $catns = explode ( ":" , $catns ) ;
863 if ( count ( $catns ) > 1 ) $catns = array_shift ( $catns ) ;
865 if ( $catns == strtoupper($category) && $this->mOptions
->getUseCategoryMagic() ) {
866 $t = explode ( ":" , $nt->getText() ) ;
868 $t = implode ( ":" , $t ) ;
869 $t = $wgLang->ucFirst ( $t ) ;
870 $nnt = Title
::newFromText ( $category.":".$t ) ;
871 $t = $sk->makeLinkObj( $nnt, $t, "", $trail , $prefix );
872 $this->mOutput
->mCategoryLinks
[] = $t ;
873 $s .= $prefix . $trail ;
877 if( $ns == $media ) {
878 $s .= $prefix . $sk->makeMediaLinkObj( $nt, $text ) . $trail;
879 $wgLinkCache->addImageLinkObj( $nt );
881 } elseif( $ns == $special ) {
882 $s .= $prefix . $sk->makeKnownLinkObj( $nt, $text, "", $trail );
885 $s .= $sk->makeLinkObj( $nt, $text, "", $trail , $prefix );
887 wfProfileOut( $fname );
891 # Some functions here used by doBlockLevels()
893 /* private */ function closeParagraph()
896 if ( '' != $this->mLastSection
) {
897 $result = "</" . $this->mLastSection
. ">";
899 $this->mLastSection
= "";
902 # getCommon() returns the length of the longest common substring
903 # of both arguments, starting at the beginning of both.
905 /* private */ function getCommon( $st1, $st2 )
907 $fl = strlen( $st1 );
908 $shorter = strlen( $st2 );
909 if ( $fl < $shorter ) { $shorter = $fl; }
911 for ( $i = 0; $i < $shorter; ++
$i ) {
912 if ( $st1{$i} != $st2{$i} ) { break; }
916 # These next three functions open, continue, and close the list
917 # element appropriate to the prefix character passed into them.
919 /* private */ function openList( $char )
921 $result = $this->closeParagraph();
923 if ( "*" == $char ) { $result .= "<ul><li>"; }
924 else if ( "#" == $char ) { $result .= "<ol><li>"; }
925 else if ( ":" == $char ) { $result .= "<dl><dd>"; }
926 else if ( ";" == $char ) {
927 $result .= "<dl><dt>";
928 $this->mDTopen
= true;
930 else { $result = "<!-- ERR 1 -->"; }
935 /* private */ function nextItem( $char )
937 if ( "*" == $char ||
"#" == $char ) { return "</li><li>"; }
938 else if ( ":" == $char ||
";" == $char ) {
940 if ( $this->mDTopen
) { $close = "</dt>"; }
941 if ( ";" == $char ) {
942 $this->mDTopen
= true;
943 return $close . "<dt>";
945 $this->mDTopen
= false;
946 return $close . "<dd>";
949 return "<!-- ERR 2 -->";
952 /* private */function closeList( $char )
954 if ( "*" == $char ) { $text = "</li></ul>"; }
955 else if ( "#" == $char ) { $text = "</li></ol>"; }
956 else if ( ":" == $char ) {
957 if ( $this->mDTopen
) {
958 $this->mDTopen
= false;
959 $text = "</dt></dl>";
961 $text = "</dd></dl>";
964 else { return "<!-- ERR 3 -->"; }
968 /* private */ function doBlockLevels( $text, $linestart )
970 $fname = "Parser::doBlockLevels";
971 wfProfileIn( $fname );
972 # Parsing through the text line by line. The main thing
973 # happening here is handling of block-level elements p, pre,
974 # and making lists from lines starting with * # : etc.
976 $a = explode( "\n", $text );
978 $lastPref = $text = '';
979 $this->mDTopen
= $inBlockElem = false;
981 if ( ! $linestart ) { $text .= array_shift( $a ); }
982 foreach ( $a as $t ) {
983 if ( "" != $text ) { $text .= "\n"; }
986 $opl = strlen( $lastPref );
987 $npl = strspn( $t, "*#:;" );
988 $pref = substr( $t, 0, $npl );
989 $pref2 = str_replace( ";", ":", $pref );
990 $t = substr( $t, $npl );
992 if ( 0 != $npl && 0 == strcmp( $lastPref, $pref2 ) ) {
993 $text .= $this->nextItem( substr( $pref, -1 ) );
995 if ( ";" == substr( $pref, -1 ) ) {
996 $cpos = strpos( $t, ":" );
997 if ( ! ( false === $cpos ) ) {
998 $term = substr( $t, 0, $cpos );
999 $text .= $term . $this->nextItem( ":" );
1000 $t = substr( $t, $cpos +
1 );
1003 } else if (0 != $npl ||
0 != $opl) {
1004 $cpl = $this->getCommon( $pref, $lastPref );
1006 while ( $cpl < $opl ) {
1007 $text .= $this->closeList( $lastPref{$opl-1} );
1010 if ( $npl <= $cpl && $cpl > 0 ) {
1011 $text .= $this->nextItem( $pref{$cpl-1} );
1013 while ( $npl > $cpl ) {
1014 $char = substr( $pref, $cpl, 1 );
1015 $text .= $this->openList( $char );
1017 if ( ";" == $char ) {
1018 $cpos = strpos( $t, ":" );
1019 if ( ! ( false === $cpos ) ) {
1020 $term = substr( $t, 0, $cpos );
1021 $text .= $term . $this->nextItem( ":" );
1022 $t = substr( $t, $cpos +
1 );
1029 if ( 0 == $npl ) { # No prefix--go to paragraph mode
1031 "/(<table|<blockquote|<h1|<h2|<h3|<h4|<h5|<h6|<div|<pre)/i", $t ) ) {
1032 $text .= $this->closeParagraph();
1033 $inBlockElem = true;
1034 } else if ( preg_match("/(<hr|<\\/td)/i", $t ) ) {
1035 $text .= $this->closeParagraph();
1036 $inBlockElem = false;
1038 if ( ! $inBlockElem ) {
1039 if ( " " == $t{0} ) {
1040 $newSection = "pre";
1041 $text .= $this->closeParagraph();
1042 # $t = wfEscapeHTML( $t );
1044 else { $newSection = "p"; }
1046 if ( '' == trim( $oLine ) ) {
1047 if ( $this->mLastSection
!= 'p') {
1048 $text .= $this->closeParagraph();
1049 $text .= "<" . $newSection . ">";
1050 $this->mLastSection
= $newSection;
1051 } else if ( $this->mLastSection
== 'p' and '' == $oLine) {
1054 } else if ( $this->mLastSection
== $newSection and $newSection != 'p' ) {
1055 $text .= $this->closeParagraph();
1056 $text .= "<" . $newSection . ">";
1057 $this->mLastSection
= $newSection;
1060 if ( $inBlockElem &&
1061 preg_match( "/(<\\/table|<\\/blockquote|<\\/h1|<\\/h2|<\\/h3|<\\/h4|<\\/h5|<\\/h6|<\\/p<\\/div|<\\/pre)/i", $t ) ) {
1062 $inBlockElem = false;
1068 $text .= $this->closeList( $pref2{$npl-1} );
1071 if ( "" != $this->mLastSection
) {
1072 $text .= "</" . $this->mLastSection
. ">";
1073 $this->mLastSection
= "";
1075 wfProfileOut( $fname );
1079 function getVariableValue( $index ) {
1080 global $wgLang, $wgSitename, $wgServer;
1083 case MAG_CURRENTMONTH
:
1085 case MAG_CURRENTMONTHNAME
:
1086 return $wgLang->getMonthName( date("n") );
1087 case MAG_CURRENTMONTHNAMEGEN
:
1088 return $wgLang->getMonthNameGen( date("n") );
1089 case MAG_CURRENTDAY
:
1091 case MAG_CURRENTDAYNAME
:
1092 return $wgLang->getWeekdayName( date("w")+
1 );
1093 case MAG_CURRENTYEAR
:
1095 case MAG_CURRENTTIME
:
1096 return $wgLang->time( wfTimestampNow(), false );
1097 case MAG_NUMBEROFARTICLES
:
1098 return wfNumberOfArticles();
1108 function initialiseVariables()
1110 global $wgVariableIDs;
1111 $this->mVariables
= array();
1112 foreach ( $wgVariableIDs as $id ) {
1113 $mw =& MagicWord
::get( $id );
1114 $mw->addToArray( $this->mVariables
, $this->getVariableValue( $id ) );
1118 /* private */ function replaceVariables( $text )
1120 global $wgLang, $wgCurParser;
1121 global $wgScript, $wgArticlePath;
1123 $fname = "Parser::replaceVariables";
1124 wfProfileIn( $fname );
1127 if ( !$this->mVariables
) {
1128 $this->initialiseVariables();
1130 $titleChars = Title
::legalChars();
1131 $regex = "/{{([$titleChars\\|]*?)}}/s";
1133 # "Recursive" variable expansion: run it through a couple of passes
1134 for ( $i=0; $i<MAX_INCLUDE_REPEAT
&& !$bail; $i++
) {
1137 # It's impossible to rebind a global in PHP
1138 # Instead, we run the substitution on a copy, then merge the changed fields back in
1139 $wgCurParser = $this->fork();
1141 $text = preg_replace_callback( $regex, "wfBraceSubstitution", $text );
1142 if ( $oldText == $text ) {
1145 $this->merge( $wgCurParser );
1151 # Returns a copy of this object except with various variables cleared
1152 # This copy can be re-merged with the parent after operations on the copy
1156 $copy->mOutput
= new ParserOutput
;
1160 # Merges a copy split off with fork()
1161 function merge( &$copy )
1163 $this->mOutput
->merge( $copy->mOutput
);
1165 # Merge include throttling arrays
1166 foreach( $copy->mIncludeCount
as $dbk => $count ) {
1167 if ( array_key_exists( $dbk, $this->mIncludeCount
) ) {
1168 $this->mIncludeCount
[$dbk] +
= $count;
1170 $this->mIncludeCount
[$dbk] = $count;
1175 function braceSubstitution( $matches )
1177 global $wgLinkCache, $wgLang;
1178 $fname = "Parser::braceSubstitution";
1182 $text = $matches[1];
1185 $mwSubst =& MagicWord
::get( MAG_SUBST
);
1186 if ( $mwSubst->matchStartAndRemove( $text ) ) {
1187 if ( $this->mOutputType
!= OT_WIKI
) {
1188 # Invalid SUBST not replaced at PST time
1189 # Return without further processing
1190 $text = $matches[0];
1193 } elseif ( $this->mOutputType
== OT_WIKI
) {
1194 # SUBST not found in PST pass, do nothing
1195 $text = $matches[0];
1199 # MSG, MSGNW and INT
1202 $mwMsgnw =& MagicWord
::get( MAG_MSGNW
);
1203 if ( $mwMsgnw->matchStartAndRemove( $text ) ) {
1206 # Remove obsolete MSG:
1207 $mwMsg =& MagicWord
::get( MAG_MSG
);
1208 $mwMsg->matchStartAndRemove( $text );
1211 # Check if it is an internal message
1212 $mwInt =& MagicWord
::get( MAG_INT
);
1213 if ( $mwInt->matchStartAndRemove( $text ) ) {
1214 $text = wfMsg( $text );
1221 # Check for NS: (namespace expansion)
1222 $mwNs = MagicWord
::get( MAG_NS
);
1223 if ( $mwNs->matchStartAndRemove( $text ) ) {
1224 if ( intval( $text ) ) {
1225 $text = $wgLang->getNsText( intval( $text ) );
1228 $index = Namespace::getCanonicalIndex( strtolower( $text ) );
1229 if ( !is_null( $index ) ) {
1230 $text = $wgLang->getNsText( $index );
1237 # LOCALURL and LOCALURLE
1239 $mwLocal = MagicWord
::get( MAG_LOCALURL
);
1240 $mwLocalE = MagicWord
::get( MAG_LOCALURLE
);
1242 if ( $mwLocal->matchStartAndRemove( $text ) ) {
1243 $func = 'getLocalURL';
1244 } elseif ( $mwLocalE->matchStartAndRemove( $text ) ) {
1245 $func = 'escapeLocalURL';
1250 if ( $func !== '' ) {
1251 $args = explode( "|", $text );
1252 $n = count( $args );
1254 $title = Title
::newFromText( $args[0] );
1255 if ( !is_null( $title ) ) {
1257 $text = $title->$func( $args[1] );
1259 $text = $title->$func();
1267 # Check for a match against internal variables
1268 if ( !$found && array_key_exists( $text, $this->mVariables
) ) {
1269 $text = $this->mVariables
[$text];
1271 $this->mOutput
->mContainsOldMagic
= true;
1274 # Load from database
1276 $title = Title
::newFromText( $text, NS_TEMPLATE
);
1277 if ( !is_null( $text ) && !$title->isExternal() ) {
1278 # Check for excessive inclusion
1279 $dbk = $title->getPrefixedDBkey();
1280 if ( !array_key_exists( $dbk, $this->mIncludeCount
) ) {
1281 $this->mIncludeCount
[$dbk] = 0;
1283 if ( ++
$this->mIncludeCount
[$dbk] <= MAX_INCLUDE_REPEAT
) {
1284 $article = new Article( $title );
1285 $articleContent = $article->getContentWithoutUsingSoManyDamnGlobals();
1286 if ( $articleContent !== false ) {
1288 $text = $articleContent;
1290 # Escaping and link table handling
1291 # Not required for preSaveTransform()
1292 if ( $this->mOutputType
== OT_HTML
) {
1294 $text = wfEscapeWikiText( $text );
1296 $text = $this->removeHTMLtags( $text );
1298 $wgLinkCache->suspend();
1299 $text = $this->doTokenizedParser( $text );
1300 $wgLinkCache->resume();
1301 $wgLinkCache->addLinkObj( $title );
1307 # If the title is valid but undisplayable, make a link to it
1308 if ( $this->mOutputType
== OT_HTML
&& !$found ) {
1309 $text = "[[" . $title->getPrefixedText() . "]]";
1322 # Cleans up HTML, removes dangerous tags and attributes
1323 /* private */ function removeHTMLtags( $text )
1325 $fname = "Parser::removeHTMLtags";
1326 wfProfileIn( $fname );
1327 $htmlpairs = array( # Tags that must be closed
1328 "b", "i", "u", "font", "big", "small", "sub", "sup", "h1",
1329 "h2", "h3", "h4", "h5", "h6", "cite", "code", "em", "s",
1330 "strike", "strong", "tt", "var", "div", "center",
1331 "blockquote", "ol", "ul", "dl", "table", "caption", "pre",
1332 "ruby", "rt" , "rb" , "rp", "p"
1334 $htmlsingle = array(
1335 "br", "hr", "li", "dt", "dd"
1337 $htmlnest = array( # Tags that can be nested--??
1338 "table", "tr", "td", "th", "div", "blockquote", "ol", "ul",
1339 "dl", "font", "big", "small", "sub", "sup"
1341 $tabletags = array( # Can only appear inside table
1345 $htmlsingle = array_merge( $tabletags, $htmlsingle );
1346 $htmlelements = array_merge( $htmlsingle, $htmlpairs );
1348 $htmlattrs = $this->getHTMLattrs () ;
1350 # Remove HTML comments
1351 $text = preg_replace( "/<!--.*-->/sU", "", $text );
1353 $bits = explode( "<", $text );
1354 $text = array_shift( $bits );
1355 $tagstack = array(); $tablestack = array();
1357 foreach ( $bits as $x ) {
1358 $prev = error_reporting( E_ALL
& ~
( E_NOTICE | E_WARNING
) );
1359 preg_match( "/^(\\/?)(\\w+)([^>]*)(\\/{0,1}>)([^<]*)$/",
1361 list( $qbar, $slash, $t, $params, $brace, $rest ) = $regs;
1362 error_reporting( $prev );
1365 if ( in_array( $t = strtolower( $t ), $htmlelements ) ) {
1369 if ( ! in_array( $t, $htmlsingle ) &&
1370 ( $ot = array_pop( $tagstack ) ) != $t ) {
1371 array_push( $tagstack, $ot );
1374 if ( $t == "table" ) {
1375 $tagstack = array_pop( $tablestack );
1380 # Keep track for later
1381 if ( in_array( $t, $tabletags ) &&
1382 ! in_array( "table", $tagstack ) ) {
1384 } else if ( in_array( $t, $tagstack ) &&
1385 ! in_array ( $t , $htmlnest ) ) {
1387 } else if ( ! in_array( $t, $htmlsingle ) ) {
1388 if ( $t == "table" ) {
1389 array_push( $tablestack, $tagstack );
1390 $tagstack = array();
1392 array_push( $tagstack, $t );
1394 # Strip non-approved attributes from the tag
1395 $newparams = $this->fixTagAttributes($params);
1399 $rest = str_replace( ">", ">", $rest );
1400 $text .= "<$slash$t $newparams$brace$rest";
1404 $text .= "<" . str_replace( ">", ">", $x);
1406 # Close off any remaining tags
1407 while ( $t = array_pop( $tagstack ) ) {
1409 if ( $t == "table" ) { $tagstack = array_pop( $tablestack ); }
1411 wfProfileOut( $fname );
1417 * This function accomplishes several tasks:
1418 * 1) Auto-number headings if that option is enabled
1419 * 2) Add an [edit] link to sections for logged in users who have enabled the option
1420 * 3) Add a Table of contents on the top for users who have enabled the option
1421 * 4) Auto-anchor headings
1423 * It loops through all headlines, collects the necessary data, then splits up the
1424 * string and re-inserts the newly formatted headlines.
1428 /* private */ function formatHeadings( $text )
1430 $doNumberHeadings = $this->mOptions
->getNumberHeadings();
1431 $doShowToc = $this->mOptions
->getShowToc();
1432 if( !$this->mTitle
->userCanEdit() ) {
1434 $rightClickHack = 0;
1436 $showEditLink = $this->mOptions
->getEditSection();
1437 $rightClickHack = $this->mOptions
->getEditSectionOnRightClick();
1440 # Inhibit editsection links if requested in the page
1441 $esw =& MagicWord
::get( MAG_NOEDITSECTION
);
1442 if( $esw->matchAndRemove( $text ) ) {
1445 # if the string __NOTOC__ (not case-sensitive) occurs in the HTML,
1447 $mw =& MagicWord
::get( MAG_NOTOC
);
1448 if( $mw->matchAndRemove( $text ) ) {
1452 # never add the TOC to the Main Page. This is an entry page that should not
1453 # be more than 1-2 screens large anyway
1454 if( $this->mTitle
->getPrefixedText() == wfMsg("mainpage") ) {
1458 # Get all headlines for numbering them and adding funky stuff like [edit]
1459 # links - this is for later, but we need the number of headlines right now
1460 $numMatches = preg_match_all( "/<H([1-6])(.*?" . ">)(.*?)<\/H[1-6]>/i", $text, $matches );
1462 # if there are fewer than 4 headlines in the article, do not show TOC
1463 if( $numMatches < 4 ) {
1467 # if the string __FORCETOC__ (not case-sensitive) occurs in the HTML,
1468 # override above conditions and always show TOC
1469 $mw =& MagicWord
::get( MAG_FORCETOC
);
1470 if ($mw->matchAndRemove( $text ) ) {
1475 # We need this to perform operations on the HTML
1476 $sk =& $this->mOptions
->getSkin();
1481 # Ugh .. the TOC should have neat indentation levels which can be
1482 # passed to the skin functions. These are determined here
1487 $sublevelCount = array();
1490 foreach( $matches[3] as $headline ) {
1493 $prevlevel = $level;
1495 $level = $matches[1][$headlineCount];
1496 if( ( $doNumberHeadings ||
$doShowToc ) && $prevlevel && $level > $prevlevel ) {
1497 # reset when we enter a new level
1498 $sublevelCount[$level] = 0;
1499 $toc .= $sk->tocIndent( $level - $prevlevel );
1500 $toclevel +
= $level - $prevlevel;
1502 if( ( $doNumberHeadings ||
$doShowToc ) && $level < $prevlevel ) {
1503 # reset when we step back a level
1504 $sublevelCount[$level+
1]=0;
1505 $toc .= $sk->tocUnindent( $prevlevel - $level );
1506 $toclevel -= $prevlevel - $level;
1508 # count number of headlines for each level
1509 @$sublevelCount[$level]++
;
1510 if( $doNumberHeadings ||
$doShowToc ) {
1512 for( $i = 1; $i <= $level; $i++
) {
1513 if( !empty( $sublevelCount[$i] ) ) {
1517 $numbering .= $sublevelCount[$i];
1523 # The canonized header is a version of the header text safe to use for links
1524 # Avoid insertion of weird stuff like <math> by expanding the relevant sections
1525 $canonized_headline = Parser
::unstrip( $headline, $this->mStripState
);
1528 $canonized_headline = preg_replace( "/<.*?" . ">/","",$canonized_headline );
1529 $tocline = trim( $canonized_headline );
1530 $canonized_headline = preg_replace("/[ &\\/<>\\(\\)\\[\\]=,+']+/", '_', html_entity_decode( $tocline));
1531 $refer[$headlineCount] = $canonized_headline;
1533 # count how many in assoc. array so we can track dupes in anchors
1534 @$refers[$canonized_headline]++
;
1535 $refcount[$headlineCount]=$refers[$canonized_headline];
1537 # Prepend the number to the heading text
1539 if( $doNumberHeadings ||
$doShowToc ) {
1540 $tocline = $numbering . " " . $tocline;
1542 # Don't number the heading if it is the only one (looks silly)
1543 if( $doNumberHeadings && count( $matches[3] ) > 1) {
1544 # the two are different if the line contains a link
1545 $headline=$numbering . " " . $headline;
1549 # Create the anchor for linking from the TOC to the section
1550 $anchor = $canonized_headline;
1551 if($refcount[$headlineCount] > 1 ) {
1552 $anchor .= "_" . $refcount[$headlineCount];
1555 $toc .= $sk->tocLine($anchor,$tocline,$toclevel);
1557 if( $showEditLink ) {
1558 if ( empty( $head[$headlineCount] ) ) {
1559 $head[$headlineCount] = "";
1561 $head[$headlineCount] .= $sk->editSectionLink($headlineCount+
1);
1564 # Add the edit section span
1565 if( $rightClickHack ) {
1566 $headline = $sk->editSectionScript($headlineCount+
1,$headline);
1569 # give headline the correct <h#> tag
1570 @$head[$headlineCount] .= "<a name=\"$anchor\"></a><h".$level.$matches[2][$headlineCount] .$headline."</h".$level.">";
1576 $toclines = $headlineCount;
1577 $toc .= $sk->tocUnindent( $toclevel );
1578 $toc = $sk->tocTable( $toc );
1581 # split up and insert constructed headlines
1583 $blocks = preg_split( "/<H[1-6].*?" . ">.*?<\/H[1-6]>/i", $text );
1586 foreach( $blocks as $block ) {
1587 if( $showEditLink && $headlineCount > 0 && $i == 0 && $block != "\n" ) {
1588 # This is the [edit] link that appears for the top block of text when
1589 # section editing is enabled
1590 $full .= $sk->editSectionLink(0);
1593 if( $doShowToc && !$i) {
1594 # Let's add a top anchor just in case we want to link to the top of the page
1595 $full = "<a name=\"top\"></a>".$full.$toc;
1598 if( !empty( $head[$i] ) ) {
1607 /* private */ function doMagicISBN( &$tokenizer )
1611 # Check whether next token is a text token
1612 # If yes, fetch it and convert the text into a
1613 # Special::BookSources link
1614 $token = $tokenizer->previewToken();
1615 while ( $token["type"] == "" )
1617 $tokenizer->nextToken();
1618 $token = $tokenizer->previewToken();
1620 if ( $token["type"] == "text" )
1622 $token = $tokenizer->nextToken();
1623 $x = $token["text"];
1624 $valid = "0123456789-ABCDEFGHIJKLMNOPQRSTUVWXYZ";
1626 $isbn = $blank = "" ;
1627 while ( " " == $x{0} ) {
1629 $x = substr( $x, 1 );
1631 while ( strstr( $valid, $x{0} ) != false ) {
1633 $x = substr( $x, 1 );
1635 $num = str_replace( "-", "", $isbn );
1636 $num = str_replace( " ", "", $num );
1639 $text = "ISBN $blank$x";
1641 $titleObj = Title
::makeTitle( NS_SPECIAL
, "Booksources" );
1642 $text = "<a href=\"" .
1643 $titleObj->escapeLocalUrl( "isbn={$num}" ) .
1644 "\" class=\"internal\">ISBN $isbn</a>";
1652 /* private */ function doMagicRFC( &$tokenizer )
1656 # Check whether next token is a text token
1657 # If yes, fetch it and convert the text into a
1658 # link to an RFC source
1659 $token = $tokenizer->previewToken();
1660 while ( $token["type"] == "" )
1662 $tokenizer->nextToken();
1663 $token = $tokenizer->previewToken();
1665 if ( $token["type"] == "text" )
1667 $token = $tokenizer->nextToken();
1668 $x = $token["text"];
1669 $valid = "0123456789";
1671 $rfc = $blank = "" ;
1672 while ( " " == $x{0} ) {
1674 $x = substr( $x, 1 );
1676 while ( strstr( $valid, $x{0} ) != false ) {
1678 $x = substr( $x, 1 );
1682 $text .= "RFC $blank$x";
1684 $url = wfmsg( "rfcurl" );
1685 $url = str_replace( "$1", $rfc, $url);
1686 $sk =& $this->mOptions
->getSkin();
1687 $la = $sk->getExternalLinkAttributes( $url, "RFC {$rfc}" );
1688 $text = "<a href='{$url}'{$la}>RFC {$rfc}</a>{$x}";
1696 function preSaveTransform( $text, &$title, &$user, $options, $clearState = true )
1698 $this->mOptions
= $options;
1699 $this->mTitle
=& $title;
1700 $this->mOutputType
= OT_WIKI
;
1702 if ( $clearState ) {
1703 $this->clearState();
1706 $stripState = false;
1707 $text = str_replace("\r\n", "\n", $text);
1708 $text = $this->strip( $text, $stripState, false );
1709 $text = $this->pstPass2( $text, $user );
1710 $text = $this->unstrip( $text, $stripState );
1714 /* private */ function pstPass2( $text, &$user )
1716 global $wgLang, $wgLocaltimezone, $wgCurParser;
1718 # Variable replacement
1719 # Because mOutputType is OT_WIKI, this will only process {{subst:xxx}} type tags
1720 $text = $this->replaceVariables( $text );
1724 $n = $user->getName();
1725 $k = $user->getOption( "nickname" );
1726 if ( "" == $k ) { $k = $n; }
1727 if(isset($wgLocaltimezone)) {
1728 $oldtz = getenv("TZ"); putenv("TZ=$wgLocaltimezone");
1730 /* Note: this is an ugly timezone hack for the European wikis */
1731 $d = $wgLang->timeanddate( date( "YmdHis" ), false ) .
1732 " (" . date( "T" ) . ")";
1733 if(isset($wgLocaltimezone)) putenv("TZ=$oldtz");
1735 $text = preg_replace( "/~~~~~/", $d, $text );
1736 $text = preg_replace( "/~~~~/", "[[" . $wgLang->getNsText(
1737 Namespace::getUser() ) . ":$n|$k]] $d", $text );
1738 $text = preg_replace( "/~~~/", "[[" . $wgLang->getNsText(
1739 Namespace::getUser() ) . ":$n|$k]]", $text );
1741 # Context links: [[|name]] and [[name (context)|]]
1743 $tc = "[&;%\\-,.\\(\\)' _0-9A-Za-z\\/:\\x80-\\xff]";
1744 $np = "[&;%\\-,.' _0-9A-Za-z\\/:\\x80-\\xff]"; # No parens
1745 $namespacechar = '[ _0-9A-Za-z\x80-\xff]'; # Namespaces can use non-ascii!
1746 $conpat = "/^({$np}+) \\(({$tc}+)\\)$/";
1748 $p1 = "/\[\[({$np}+) \\(({$np}+)\\)\\|]]/"; # [[page (context)|]]
1749 $p2 = "/\[\[\\|({$tc}+)]]/"; # [[|page]]
1750 $p3 = "/\[\[($namespacechar+):({$np}+)\\|]]/"; # [[namespace:page|]]
1751 $p4 = "/\[\[($namespacechar+):({$np}+) \\(({$np}+)\\)\\|]]/";
1752 # [[ns:page (cont)|]]
1754 $t = $this->mTitle
->getText();
1755 if ( preg_match( $conpat, $t, $m ) ) {
1758 $text = preg_replace( $p4, "[[\\1:\\2 (\\3)|\\2]]", $text );
1759 $text = preg_replace( $p1, "[[\\1 (\\2)|\\1]]", $text );
1760 $text = preg_replace( $p3, "[[\\1:\\2|\\2]]", $text );
1762 if ( "" == $context ) {
1763 $text = preg_replace( $p2, "[[\\1]]", $text );
1765 $text = preg_replace( $p2, "[[\\1 ({$context})|\\1]]", $text );
1769 $mw =& MagicWord::get( MAG_SUBST );
1770 $wgCurParser = $this->fork();
1771 $text = $mw->substituteCallback( $text, "wfBraceSubstitution" );
1772 $this->merge( $wgCurParser );
1775 # Trim trailing whitespace
1776 # MAG_END (__END__) tag allows for trailing
1777 # whitespace to be deliberately included
1778 $text = rtrim( $text );
1779 $mw =& MagicWord
::get( MAG_END
);
1780 $mw->matchAndRemove( $text );
1785 # Set up some variables which are usually set up in parse()
1786 # so that an external function can call some class members with confidence
1787 function startExternalParse( &$title, $options, $outputType, $clearState = true )
1789 $this->mTitle
=& $title;
1790 $this->mOptions
= $options;
1791 $this->mOutputType
= $outputType;
1792 if ( $clearState ) {
1793 $this->clearState();
1797 function transformMsg( $text, $options ) {
1799 static $executing = false;
1801 # Guard against infinite recursion
1807 $this->mTitle
= $wgTitle;
1808 $this->mOptions
= $options;
1809 $this->mOutputType
= OT_MSG
;
1810 $this->clearState();
1811 $text = $this->replaceVariables( $text );
1820 var $mText, $mLanguageLinks, $mCategoryLinks, $mContainsOldMagic;
1822 function ParserOutput( $text = "", $languageLinks = array(), $categoryLinks = array(),
1823 $containsOldMagic = false )
1825 $this->mText
= $text;
1826 $this->mLanguageLinks
= $languageLinks;
1827 $this->mCategoryLinks
= $categoryLinks;
1828 $this->mContainsOldMagic
= $containsOldMagic;
1831 function getText() { return $this->mText
; }
1832 function getLanguageLinks() { return $this->mLanguageLinks
; }
1833 function getCategoryLinks() { return $this->mCategoryLinks
; }
1834 function containsOldMagic() { return $this->mContainsOldMagic
; }
1835 function setText( $text ) { return wfSetVar( $this->mText
, $text ); }
1836 function setLanguageLinks( $ll ) { return wfSetVar( $this->mLanguageLinks
, $ll ); }
1837 function setCategoryLinks( $cl ) { return wfSetVar( $this->mCategoryLinks
, $cl ); }
1838 function setContainsOldMagic( $com ) { return wfSetVar( $this->mContainsOldMagic
, $com ); }
1840 function merge( $other ) {
1841 $this->mLanguageLinks
= array_merge( $this->mLanguageLinks
, $other->mLanguageLinks
);
1842 $this->mCategoryLinks
= array_merge( $this->mCategoryLinks
, $this->mLanguageLinks
);
1843 $this->mContainsOldMagic
= $this->mContainsOldMagic ||
$other->mContainsOldMagic
;
1850 # All variables are private
1851 var $mUseTeX; # Use texvc to expand <math> tags
1852 var $mUseCategoryMagic; # Treat [[Category:xxxx]] tags specially
1853 var $mUseDynamicDates; # Use $wgDateFormatter to format dates
1854 var $mInterwikiMagic; # Interlanguage links are removed and returned in an array
1855 var $mAllowExternalImages; # Allow external images inline
1856 var $mSkin; # Reference to the preferred skin
1857 var $mDateFormat; # Date format index
1858 var $mEditSection; # Create "edit section" links
1859 var $mEditSectionOnRightClick; # Generate JavaScript to edit section on right click
1860 var $mNumberHeadings; # Automatically number headings
1861 var $mShowToc; # Show table of contents
1863 function getUseTeX() { return $this->mUseTeX
; }
1864 function getUseCategoryMagic() { return $this->mUseCategoryMagic
; }
1865 function getUseDynamicDates() { return $this->mUseDynamicDates
; }
1866 function getInterwikiMagic() { return $this->mInterwikiMagic
; }
1867 function getAllowExternalImages() { return $this->mAllowExternalImages
; }
1868 function getSkin() { return $this->mSkin
; }
1869 function getDateFormat() { return $this->mDateFormat
; }
1870 function getEditSection() { return $this->mEditSection
; }
1871 function getEditSectionOnRightClick() { return $this->mEditSectionOnRightClick
; }
1872 function getNumberHeadings() { return $this->mNumberHeadings
; }
1873 function getShowToc() { return $this->mShowToc
; }
1875 function setUseTeX( $x ) { return wfSetVar( $this->mUseTeX
, $x ); }
1876 function setUseCategoryMagic( $x ) { return wfSetVar( $this->mUseCategoryMagic
, $x ); }
1877 function setUseDynamicDates( $x ) { return wfSetVar( $this->mUseDynamicDates
, $x ); }
1878 function setInterwikiMagic( $x ) { return wfSetVar( $this->mInterwikiMagic
, $x ); }
1879 function setAllowExternalImages( $x ) { return wfSetVar( $this->mAllowExternalImages
, $x ); }
1880 function setSkin( $x ) { return wfSetRef( $this->mSkin
, $x ); }
1881 function setDateFormat( $x ) { return wfSetVar( $this->mDateFormat
, $x ); }
1882 function setEditSection( $x ) { return wfSetVar( $this->mEditSection
, $x ); }
1883 function setEditSectionOnRightClick( $x ) { return wfSetVar( $this->mEditSectionOnRightClick
, $x ); }
1884 function setNumberHeadings( $x ) { return wfSetVar( $this->mNumberHeadings
, $x ); }
1885 function setShowToc( $x ) { return wfSetVar( $this->mShowToc
, $x ); }
1887 /* static */ function newFromUser( &$user )
1889 $popts = new ParserOptions
;
1890 $popts->initialiseFromUser( &$user );
1894 function initialiseFromUser( &$userInput )
1896 global $wgUseTeX, $wgUseCategoryMagic, $wgUseDynamicDates, $wgInterwikiMagic, $wgAllowExternalImages;
1898 if ( !$userInput ) {
1900 $user->setLoaded( true );
1902 $user =& $userInput;
1905 $this->mUseTeX
= $wgUseTeX;
1906 $this->mUseCategoryMagic
= $wgUseCategoryMagic;
1907 $this->mUseDynamicDates
= $wgUseDynamicDates;
1908 $this->mInterwikiMagic
= $wgInterwikiMagic;
1909 $this->mAllowExternalImages
= $wgAllowExternalImages;
1910 $this->mSkin
=& $user->getSkin();
1911 $this->mDateFormat
= $user->getOption( "date" );
1912 $this->mEditSection
= $user->getOption( "editsection" );
1913 $this->mEditSectionOnRightClick
= $user->getOption( "editsectiononrightclick" );
1914 $this->mNumberHeadings
= $user->getOption( "numberheadings" );
1915 $this->mShowToc
= $user->getOption( "showtoc" );
1921 # Regex callbacks, used in Parser::replaceVariables
1922 function wfBraceSubstitution( $matches )
1924 global $wgCurParser;
1925 return $wgCurParser->braceSubstitution( $matches );