4 * File for Parser and related classes
11 * Variable substitution O(N^2) attack
13 * Without countermeasures, it would be possible to attack the parser by saving
14 * a page filled with a large number of inclusions of large pages. The size of
15 * the generated page would be proportional to the square of the input size.
16 * Hence, we limit the number of inclusions of any given page, thus bringing any
17 * attack back to O(N).
20 define( 'MAX_INCLUDE_REPEAT', 100 );
21 define( 'MAX_INCLUDE_SIZE', 1000000 ); // 1 Million
23 define( 'RLH_FOR_UPDATE', 1 );
25 # Allowed values for $mOutputType
26 define( 'OT_HTML', 1 );
27 define( 'OT_WIKI', 2 );
28 define( 'OT_MSG' , 3 );
30 # string parameter for extractTags which will cause it
31 # to strip HTML comments in addition to regular
32 # <XML>-style tags. This should not be anything we
33 # may want to use in wikisyntax
34 define( 'STRIP_COMMENTS', 'HTMLCommentStrip' );
36 # prefix for escaping, used in two functions at least
37 define( 'UNIQ_PREFIX', 'NaodW29');
39 # Constants needed for external link processing
40 define( 'URL_PROTOCOLS', 'http|https|ftp|irc|gopher|news|mailto' );
41 define( 'HTTP_PROTOCOLS', 'http|https' );
42 # Everything except bracket, space, or control characters
43 define( 'EXT_LINK_URL_CLASS', '[^]<>"\\x00-\\x20\\x7F]' );
45 define( 'EXT_LINK_TEXT_CLASS', '[^\]\\x00-\\x1F\\x7F]' );
46 define( 'EXT_IMAGE_FNAME_CLASS', '[A-Za-z0-9_.,~%\\-+&;#*?!=()@\\x80-\\xFF]' );
47 define( 'EXT_IMAGE_EXTENSIONS', 'gif|png|jpg|jpeg' );
48 define( 'EXT_LINK_BRACKETED', '/\[(('.URL_PROTOCOLS
.'):'.EXT_LINK_URL_CLASS
.'+) *('.EXT_LINK_TEXT_CLASS
.'*?)\]/S' );
49 define( 'EXT_IMAGE_REGEX',
50 '/^('.HTTP_PROTOCOLS
.':)'. # Protocol
51 '('.EXT_LINK_URL_CLASS
.'+)\\/'. # Hostname and path
52 '('.EXT_IMAGE_FNAME_CLASS
.'+)\\.((?i)'.EXT_IMAGE_EXTENSIONS
.')$/S' # Filename
58 * Processes wiki markup
61 * There are three main entry points into the Parser class:
63 * produces HTML output
65 * produces altered wiki markup.
67 * performs brace substitution on MediaWiki messages
70 * objects: $wgLang, $wgDateFormatter, $wgLinkCache
72 * NOT $wgArticle, $wgUser or $wgTitle. Keep them away!
75 * $wgUseTex*, $wgUseDynamicDates*, $wgInterwikiMagic*,
76 * $wgNamespacesWithSubpages, $wgAllowExternalImages*,
79 * * only within ParserOptions
92 # Cleared with clearState():
93 var $mOutput, $mAutonumber, $mDTopen, $mStripState = array();
94 var $mVariables, $mIncludeCount, $mArgStack, $mLastSection, $mInPre;
97 var $mOptions, $mTitle, $mOutputType,
98 $mTemplates, // cache of already loaded templates, avoids
99 // multiple SQL queries for the same string
100 $mTemplatePath; // stores an unsorted hash of all the templates already loaded
101 // in this path. Used for loop detection.
111 $this->mTemplates
= array();
112 $this->mTemplatePath
= array();
113 $this->mTagHooks
= array();
122 function clearState() {
123 $this->mOutput
= new ParserOutput
;
124 $this->mAutonumber
= 0;
125 $this->mLastSection
= "";
126 $this->mDTopen
= false;
127 $this->mVariables
= false;
128 $this->mIncludeCount
= array();
129 $this->mStripState
= array();
130 $this->mArgStack
= array();
131 $this->mInPre
= false;
135 * First pass--just handle <nowiki> sections, pass the rest off
136 * to internalParse() which does all the real work.
139 * @return ParserOutput a ParserOutput
141 function parse( $text, &$title, $options, $linestart = true, $clearState = true ) {
142 global $wgUseTidy, $wgContLang;
143 $fname = 'Parser::parse';
144 wfProfileIn( $fname );
150 $this->mOptions
= $options;
151 $this->mTitle
=& $title;
152 $this->mOutputType
= OT_HTML
;
155 $text = $this->strip( $text, $this->mStripState
);
157 $text = $this->internalParse( $text, $linestart );
158 $text = $this->unstrip( $text, $this->mStripState
);
159 # Clean up special characters, only run once, next-to-last before doBlockLevels
162 # french spaces, last one Guillemet-left
163 # only if there is something before the space
164 '/(.) (?=\\?|:|;|!|\\302\\273)/i' => '\\1 \\2',
165 # french spaces, Guillemet-right
166 "/(\\302\\253) /i"=>"\\1 ",
167 '/<hr *>/i' => '<hr />',
168 '/<br *>/i' => '<br />',
169 '/<center *>/i' => '<div class="center">',
170 '/<\\/center *>/i' => '</div>',
171 # Clean up spare ampersands; note that we probably ought to be
172 # more careful about named entities.
173 '/&(?!:amp;|#[Xx][0-9A-fa-f]+;|#[0-9]+;|[a-zA-Z0-9]+;)/' => '&'
175 $text = preg_replace( array_keys($fixtags), array_values($fixtags), $text );
178 # french spaces, last one Guillemet-left
179 '/ (\\?|:|;|!|\\302\\273)/i' => ' \\1',
180 # french spaces, Guillemet-right
181 '/(\\302\\253) /i' => '\\1 ',
182 '/<center *>/i' => '<div class="center">',
183 '/<\\/center *>/i' => '</div>'
185 $text = preg_replace( array_keys($fixtags), array_values($fixtags), $text );
188 $text = $this->doBlockLevels( $text, $linestart );
190 $this->replaceLinkHolders( $text );
191 $text = $wgContLang->convert($text);
193 $text = $this->unstripNoWiki( $text, $this->mStripState
);
196 $text = Parser
::tidy($text);
199 $this->mOutput
->setText( $text );
200 wfProfileOut( $fname );
201 return $this->mOutput
;
205 * Get a random string
210 function getRandomString() {
211 return dechex(mt_rand(0, 0x7fffffff)) . dechex(mt_rand(0, 0x7fffffff));
215 * Replaces all occurrences of <$tag>content</$tag> in the text
216 * with a random marker and returns the new text. the output parameter
217 * $content will be an associative array filled with data on the form
218 * $unique_marker => content.
220 * If $content is already set, the additional entries will be appended
221 * If $tag is set to STRIP_COMMENTS, the function will extract
222 * <!-- HTML comments -->
227 function extractTags($tag, $text, &$content, $uniq_prefix = ''){
228 $rnd = $uniq_prefix . '-' . $tag . Parser
::getRandomString();
235 while ( '' != $text ) {
236 if($tag==STRIP_COMMENTS
) {
237 $p = preg_split( '/<!--/i', $text, 2 );
239 $p = preg_split( "/<\\s*$tag\\s*>/i", $text, 2 );
242 if ( ( count( $p ) < 2 ) ||
( '' == $p[1] ) ) {
245 if($tag==STRIP_COMMENTS
) {
246 $q = preg_split( '/-->/i', $p[1], 2 );
248 $q = preg_split( "/<\\/\\s*$tag\\s*>/i", $p[1], 2 );
250 $marker = $rnd . sprintf('%08X', $n++
);
251 $content[$marker] = $q[0];
252 $stripped .= $marker;
260 * Strips and renders nowiki, pre, math, hiero
261 * If $render is set, performs necessary rendering operations on plugins
262 * Returns the text, and fills an array with data needed in unstrip()
263 * If the $state is already a valid strip state, it adds to the state
265 * @param bool $stripcomments when set, HTML comments <!-- like this -->
266 * will be stripped in addition to other tags. This is important
267 * for section editing, where these comments cause confusion when
268 * counting the sections in the wikisource
272 function strip( $text, &$state, $stripcomments = false ) {
273 $render = ($this->mOutputType
== OT_HTML
);
274 $html_content = array();
275 $nowiki_content = array();
276 $math_content = array();
277 $pre_content = array();
278 $comment_content = array();
279 $ext_content = array();
280 $gallery_content = array();
282 # Replace any instances of the placeholders
283 $uniq_prefix = UNIQ_PREFIX
;
284 #$text = str_replace( $uniq_prefix, wfHtmlEscapeFirst( $uniq_prefix ), $text );
287 global $wgRawHtml, $wgWhitelistEdit;
288 if( $wgRawHtml && $wgWhitelistEdit ) {
289 $text = Parser
::extractTags('html', $text, $html_content, $uniq_prefix);
290 foreach( $html_content as $marker => $content ) {
292 # Raw and unchecked for validity.
293 $html_content[$marker] = $content;
295 $html_content[$marker] = '<html>'.$content.'</html>';
301 $text = Parser
::extractTags('nowiki', $text, $nowiki_content, $uniq_prefix);
302 foreach( $nowiki_content as $marker => $content ) {
304 $nowiki_content[$marker] = wfEscapeHTMLTagsOnly( $content );
306 $nowiki_content[$marker] = '<nowiki>'.$content.'</nowiki>';
311 $text = Parser
::extractTags('math', $text, $math_content, $uniq_prefix);
312 foreach( $math_content as $marker => $content ){
314 if( $this->mOptions
->getUseTeX() ) {
315 $math_content[$marker] = renderMath( $content );
317 $math_content[$marker] = '<math>'.$content.'<math>';
320 $math_content[$marker] = '<math>'.$content.'</math>';
325 $text = Parser
::extractTags('pre', $text, $pre_content, $uniq_prefix);
326 foreach( $pre_content as $marker => $content ){
328 $pre_content[$marker] = '<pre>' . wfEscapeHTMLTagsOnly( $content ) . '</pre>';
330 $pre_content[$marker] = '<pre>'.$content.'</pre>';
335 $text = Parser
::extractTags('gallery', $text, $gallery_content, $uniq_prefix);
336 foreach( $gallery_content as $marker => $content ) {
337 require_once( 'ImageGallery.php' );
339 $gallery_content[$marker] = Parser
::renderImageGallery( $content );
341 $gallery_content[$marker] = '<gallery>'.$content.'</gallery>';
347 $text = Parser
::extractTags(STRIP_COMMENTS
, $text, $comment_content, $uniq_prefix);
348 foreach( $comment_content as $marker => $content ){
349 $comment_content[$marker] = '<!--'.$content.'-->';
354 foreach ( $this->mTagHooks
as $tag => $callback ) {
355 $ext_contents[$tag] = array();
356 $text = Parser
::extractTags( $tag, $text, $ext_content[$tag], $uniq_prefix );
357 foreach( $ext_content[$tag] as $marker => $content ) {
359 $ext_content[$tag][$marker] = $callback( $content );
361 $ext_content[$tag][$marker] = "<$tag>$content</$tag>";
366 # Merge state with the pre-existing state, if there is one
368 $state['html'] = $state['html'] +
$html_content;
369 $state['nowiki'] = $state['nowiki'] +
$nowiki_content;
370 $state['math'] = $state['math'] +
$math_content;
371 $state['pre'] = $state['pre'] +
$pre_content;
372 $state['comment'] = $state['comment'] +
$comment_content;
373 $state['gallery'] = $state['gallery'] +
$gallery_content;
375 foreach( $ext_content as $tag => $array ) {
376 if ( array_key_exists( $tag, $state ) ) {
377 $state[$tag] = $state[$tag] +
$array;
382 'html' => $html_content,
383 'nowiki' => $nowiki_content,
384 'math' => $math_content,
385 'pre' => $pre_content,
386 'comment' => $comment_content,
387 'gallery' => $gallery_content,
394 * restores pre, math, and hiero removed by strip()
396 * always call unstripNoWiki() after this one
399 function unstrip( $text, &$state ) {
400 # Must expand in reverse order, otherwise nested tags will be corrupted
401 $contentDict = end( $state );
402 for ( $contentDict = end( $state ); $contentDict !== false; $contentDict = prev( $state ) ) {
403 if( key($state) != 'nowiki' && key($state) != 'html') {
404 for ( $content = end( $contentDict ); $content !== false; $content = prev( $contentDict ) ) {
405 $text = str_replace( key( $contentDict ), $content, $text );
414 * always call this after unstrip() to preserve the order
418 function unstripNoWiki( $text, &$state ) {
419 # Must expand in reverse order, otherwise nested tags will be corrupted
420 for ( $content = end($state['nowiki']); $content !== false; $content = prev( $state['nowiki'] ) ) {
421 $text = str_replace( key( $state['nowiki'] ), $content, $text );
426 for ( $content = end($state['html']); $content !== false; $content = prev( $state['html'] ) ) {
427 $text = str_replace( key( $state['html'] ), $content, $text );
435 * Add an item to the strip state
436 * Returns the unique tag which must be inserted into the stripped text
437 * The tag will be replaced with the original text in unstrip()
441 function insertStripItem( $text, &$state ) {
442 $rnd = UNIQ_PREFIX
. '-item' . Parser
::getRandomString();
451 $state['item'][$rnd] = $text;
456 * Return allowed HTML attributes
460 function getHTMLattrs () {
461 $htmlattrs = array( # Allowed attributes--no scripting, etc.
462 'title', 'align', 'lang', 'dir', 'width', 'height',
463 'bgcolor', 'clear', /* BR */ 'noshade', /* HR */
464 'cite', /* BLOCKQUOTE, Q */ 'size', 'face', 'color',
465 /* FONT */ 'type', 'start', 'value', 'compact',
466 /* For various lists, mostly deprecated but safe */
467 'summary', 'width', 'border', 'frame', 'rules',
468 'cellspacing', 'cellpadding', 'valign', 'char',
469 'charoff', 'colgroup', 'col', 'span', 'abbr', 'axis',
470 'headers', 'scope', 'rowspan', 'colspan', /* Tables */
471 'id', 'class', 'name', 'style' /* For CSS */
477 * Remove non approved attributes and javascript in css
481 function fixTagAttributes ( $t ) {
482 if ( trim ( $t ) == '' ) return '' ; # Saves runtime ;-)
483 $htmlattrs = $this->getHTMLattrs() ;
485 # Strip non-approved attributes from the tag
487 '/(\\w+)(\\s*=\\s*([^\\s\">]+|\"[^\">]*\"))?/e',
488 "(in_array(strtolower(\"\$1\"),\$htmlattrs)?(\"\$1\".((\"x\$3\" != \"x\")?\"=\$3\":'')):'')",
491 $t = str_replace ( '<></>' , '' , $t ) ; # This should fix bug 980557
493 # Strip javascript "expression" from stylesheets. Brute force approach:
494 # If anythin offensive is found, all attributes of the HTML tag are dropped
497 '/style\\s*=.*(expression|tps*:\/\/|url\\s*\().*/is',
498 wfMungeToUtf8( $t ) ) )
507 * interface with html tidy, used if $wgUseTidy = true
512 function tidy ( $text ) {
513 global $wgTidyConf, $wgTidyBin, $wgTidyOpts;
514 global $wgInputEncoding, $wgOutputEncoding;
515 $fname = 'Parser::tidy';
516 wfProfileIn( $fname );
520 switch(strtoupper($wgOutputEncoding)) {
522 $opts .= ($wgInputEncoding == $wgOutputEncoding)?
' -latin1':' -raw';
525 $opts .= ($wgInputEncoding == $wgOutputEncoding)?
' -utf8':' -raw';
531 $wrappedtext = '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"'.
532 ' "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html>'.
533 '<head><title>test</title></head><body>'.$text.'</body></html>';
534 $descriptorspec = array(
535 0 => array('pipe', 'r'),
536 1 => array('pipe', 'w'),
537 2 => array('file', '/dev/null', 'a')
539 $process = proc_open("$wgTidyBin -config $wgTidyConf $wgTidyOpts$opts", $descriptorspec, $pipes);
540 if (is_resource($process)) {
541 fwrite($pipes[0], $wrappedtext);
543 while (!feof($pipes[1])) {
544 $cleansource .= fgets($pipes[1], 1024);
547 $return_value = proc_close($process);
550 wfProfileOut( $fname );
552 if( $cleansource == '' && $text != '') {
553 wfDebug( "Tidy error detected!\n" );
554 return $text . "\n<!-- Tidy found serious XHTML errors -->\n";
561 * parse the wiki syntax used to render tables
565 function doTableStuff ( $t ) {
566 $fname = 'Parser::doTableStuff';
567 wfProfileIn( $fname );
569 $t = explode ( "\n" , $t ) ;
570 $td = array () ; # Is currently a td tag open?
571 $ltd = array () ; # Was it TD or TH?
572 $tr = array () ; # Is currently a tr tag open?
573 $ltr = array () ; # tr attributes
574 $indent_level = 0; # indent level of the table
575 foreach ( $t AS $k => $x )
578 $fc = substr ( $x , 0 , 1 ) ;
579 if ( preg_match( '/^(:*)\{\|(.*)$/', $x, $matches ) ) {
580 $indent_level = strlen( $matches[1] );
582 str_repeat( '<dl><dd>', $indent_level ) .
583 '<table ' . $this->fixTagAttributes ( $matches[2] ) . '>' ;
584 array_push ( $td , false ) ;
585 array_push ( $ltd , '' ) ;
586 array_push ( $tr , false ) ;
587 array_push ( $ltr , '' ) ;
589 else if ( count ( $td ) == 0 ) { } # Don't do any of the following
590 else if ( '|}' == substr ( $x , 0 , 2 ) ) {
592 $l = array_pop ( $ltd ) ;
593 if ( array_pop ( $tr ) ) $z = '</tr>' . $z ;
594 if ( array_pop ( $td ) ) $z = '</'.$l.'>' . $z ;
596 $t[$k] = $z . str_repeat( '</dd></dl>', $indent_level );
598 else if ( '|-' == substr ( $x , 0 , 2 ) ) { # Allows for |---------------
599 $x = substr ( $x , 1 ) ;
600 while ( $x != '' && substr ( $x , 0 , 1 ) == '-' ) $x = substr ( $x , 1 ) ;
602 $l = array_pop ( $ltd ) ;
603 if ( array_pop ( $tr ) ) $z = '</tr>' . $z ;
604 if ( array_pop ( $td ) ) $z = '</'.$l.'>' . $z ;
607 array_push ( $tr , false ) ;
608 array_push ( $td , false ) ;
609 array_push ( $ltd , '' ) ;
610 array_push ( $ltr , $this->fixTagAttributes ( $x ) ) ;
612 else if ( '|' == $fc ||
'!' == $fc ||
'|+' == substr ( $x , 0 , 2 ) ) { # Caption
614 if ( '|+' == substr ( $x , 0 , 2 ) ) {
616 $x = substr ( $x , 1 ) ;
618 $after = substr ( $x , 1 ) ;
619 if ( $fc == '!' ) $after = str_replace ( '!!' , '||' , $after ) ;
620 $after = explode ( '||' , $after ) ;
623 # Loop through each table cell
624 foreach ( $after AS $theline )
629 $tra = array_pop ( $ltr ) ;
630 if ( !array_pop ( $tr ) ) $z = '<tr '.$tra.">\n" ;
631 array_push ( $tr , true ) ;
632 array_push ( $ltr , '' ) ;
635 $l = array_pop ( $ltd ) ;
636 if ( array_pop ( $td ) ) $z = '</'.$l.'>' . $z ;
637 if ( $fc == '|' ) $l = 'td' ;
638 else if ( $fc == '!' ) $l = 'th' ;
639 else if ( $fc == '+' ) $l = 'caption' ;
641 array_push ( $ltd , $l ) ;
644 $y = explode ( '|' , $theline , 2 ) ;
645 # Note that a '|' inside an invalid link should not
646 # be mistaken as delimiting cell parameters
647 if ( strpos( $y[0], '[[' ) !== false ) {
648 $y = array ($theline);
650 if ( count ( $y ) == 1 )
651 $y = "{$z}<{$l}>{$y[0]}" ;
652 else $y = $y = "{$z}<{$l} ".$this->fixTagAttributes($y[0]).">{$y[1]}" ;
654 array_push ( $td , true ) ;
659 # Closing open td, tr && table
660 while ( count ( $td ) > 0 )
662 if ( array_pop ( $td ) ) $t[] = '</td>' ;
663 if ( array_pop ( $tr ) ) $t[] = '</tr>' ;
667 $t = implode ( "\n" , $t ) ;
668 # $t = $this->removeHTMLtags( $t );
669 wfProfileOut( $fname );
674 * Helper function for parse() that transforms wiki markup into
675 * HTML. Only called for $mOutputType == OT_HTML.
679 function internalParse( $text, $linestart, $args = array(), $isMain=true ) {
682 $fname = 'Parser::internalParse';
683 wfProfileIn( $fname );
685 $text = $this->removeHTMLtags( $text );
686 $text = $this->replaceVariables( $text, $args );
688 $text = preg_replace( '/(^|\n)-----*/', '\\1<hr />', $text );
690 $text = $this->doHeadings( $text );
691 if($this->mOptions
->getUseDynamicDates()) {
692 global $wgDateFormatter;
693 $text = $wgDateFormatter->reformat( $this->mOptions
->getDateFormat(), $text );
695 $text = $this->doAllQuotes( $text );
696 $text = $this->replaceInternalLinks ( $text );
697 $text = $this->replaceExternalLinks( $text );
699 # replaceInternalLinks may sometimes leave behind
700 # absolute URLs, which have to be masked to hide them from replaceExternalLinks
701 $text = str_replace("http-noparse://","http://",$text);
703 $text = $this->doMagicLinks( $text );
704 $text = $this->doTableStuff( $text );
705 $text = $this->formatHeadings( $text, $isMain );
706 $sk =& $this->mOptions
->getSkin();
707 $text = $sk->transformContent( $text );
709 wfProfileOut( $fname );
714 * Replace special strings like "ISBN xxx" and "RFC xxx" with
715 * magic external links.
719 function &doMagicLinks( &$text ) {
720 global $wgUseGeoMode;
721 $text = $this->magicISBN( $text );
722 if ( isset( $wgUseGeoMode ) && $wgUseGeoMode ) {
723 $text = $this->magicGEO( $text );
725 $text = $this->magicRFC( $text, 'RFC ', 'rfcurl' );
726 $text = $this->magicRFC( $text, 'PMID ', 'pubmedurl' );
731 * Parse ^^ tokens and return html
735 function doExponent( $text ) {
736 $fname = 'Parser::doExponent';
737 wfProfileIn( $fname );
738 $text = preg_replace('/\^\^(.*)\^\^/','<small><sup>\\1</sup></small>', $text);
739 wfProfileOut( $fname );
744 * Parse headers and return html
748 function doHeadings( $text ) {
749 $fname = 'Parser::doHeadings';
750 wfProfileIn( $fname );
751 for ( $i = 6; $i >= 1; --$i ) {
752 $h = substr( '======', 0, $i );
753 $text = preg_replace( "/^{$h}(.+){$h}(\\s|$)/m",
754 "<h{$i}>\\1</h{$i}>\\2", $text );
756 wfProfileOut( $fname );
761 * Replace single quotes with HTML markup
763 * @return string the altered text
765 function doAllQuotes( $text ) {
766 $fname = 'Parser::doAllQuotes';
767 wfProfileIn( $fname );
769 $lines = explode( "\n", $text );
770 foreach ( $lines as $line ) {
771 $outtext .= $this->doQuotes ( $line ) . "\n";
773 $outtext = substr($outtext, 0,-1);
774 wfProfileOut( $fname );
779 * Helper function for doAllQuotes()
782 function doQuotes( $text ) {
783 $arr = preg_split( "/(''+)/", $text, -1, PREG_SPLIT_DELIM_CAPTURE
);
784 if ( count( $arr ) == 1 )
788 # First, do some preliminary work. This may shift some apostrophes from
789 # being mark-up to being text. It also counts the number of occurrences
790 # of bold and italics mark-ups.
794 foreach ( $arr as $r )
796 if ( ( $i %
2 ) == 1 )
798 # If there are ever four apostrophes, assume the first is supposed to
799 # be text, and the remaining three constitute mark-up for bold text.
800 if ( strlen( $arr[$i] ) == 4 )
805 # If there are more than 5 apostrophes in a row, assume they're all
806 # text except for the last 5.
807 else if ( strlen( $arr[$i] ) > 5 )
809 $arr[$i-1] .= str_repeat( "'", strlen( $arr[$i] ) - 5 );
812 # Count the number of occurrences of bold and italics mark-ups.
813 # We are not counting sequences of five apostrophes.
814 if ( strlen( $arr[$i] ) == 2 ) $numitalics++
; else
815 if ( strlen( $arr[$i] ) == 3 ) $numbold++
; else
816 if ( strlen( $arr[$i] ) == 5 ) { $numitalics++
; $numbold++
; }
821 # If there is an odd number of both bold and italics, it is likely
822 # that one of the bold ones was meant to be an apostrophe followed
823 # by italics. Which one we cannot know for certain, but it is more
824 # likely to be one that has a single-letter word before it.
825 if ( ( $numbold %
2 == 1 ) && ( $numitalics %
2 == 1 ) )
828 $firstsingleletterword = -1;
829 $firstmultiletterword = -1;
831 foreach ( $arr as $r )
833 if ( ( $i %
2 == 1 ) and ( strlen( $r ) == 3 ) )
835 $x1 = substr ($arr[$i-1], -1);
836 $x2 = substr ($arr[$i-1], -2, 1);
838 if ($firstspace == -1) $firstspace = $i;
839 } else if ($x2 == ' ') {
840 if ($firstsingleletterword == -1) $firstsingleletterword = $i;
842 if ($firstmultiletterword == -1) $firstmultiletterword = $i;
848 # If there is a single-letter word, use it!
849 if ($firstsingleletterword > -1)
851 $arr [ $firstsingleletterword ] = "''";
852 $arr [ $firstsingleletterword-1 ] .= "'";
854 # If not, but there's a multi-letter word, use that one.
855 else if ($firstmultiletterword > -1)
857 $arr [ $firstmultiletterword ] = "''";
858 $arr [ $firstmultiletterword-1 ] .= "'";
860 # ... otherwise use the first one that has neither.
861 # (notice that it is possible for all three to be -1 if, for example,
862 # there is only one pentuple-apostrophe in the line)
863 else if ($firstspace > -1)
865 $arr [ $firstspace ] = "''";
866 $arr [ $firstspace-1 ] .= "'";
870 # Now let's actually convert our apostrophic mush to HTML!
879 if ($state == 'both')
886 if (strlen ($r) == 2)
889 { $output .= '</i>'; $state = ''; }
890 else if ($state == 'bi')
891 { $output .= '</i>'; $state = 'b'; }
892 else if ($state == 'ib')
893 { $output .= '</b></i><b>'; $state = 'b'; }
894 else if ($state == 'both')
895 { $output .= '<b><i>'.$buffer.'</i>'; $state = 'b'; }
896 else # $state can be 'b' or ''
897 { $output .= '<i>'; $state .= 'i'; }
899 else if (strlen ($r) == 3)
902 { $output .= '</b>'; $state = ''; }
903 else if ($state == 'bi')
904 { $output .= '</i></b><i>'; $state = 'i'; }
905 else if ($state == 'ib')
906 { $output .= '</b>'; $state = 'i'; }
907 else if ($state == 'both')
908 { $output .= '<i><b>'.$buffer.'</b>'; $state = 'i'; }
909 else # $state can be 'i' or ''
910 { $output .= '<b>'; $state .= 'b'; }
912 else if (strlen ($r) == 5)
915 { $output .= '</b><i>'; $state = 'i'; }
916 else if ($state == 'i')
917 { $output .= '</i><b>'; $state = 'b'; }
918 else if ($state == 'bi')
919 { $output .= '</i></b>'; $state = ''; }
920 else if ($state == 'ib')
921 { $output .= '</b></i>'; $state = ''; }
922 else if ($state == 'both')
923 { $output .= '<i><b>'.$buffer.'</b></i>'; $state = ''; }
924 else # ($state == '')
925 { $buffer = ''; $state = 'both'; }
930 # Now close all remaining tags. Notice that the order is important.
931 if ($state == 'b' ||
$state == 'ib')
933 if ($state == 'i' ||
$state == 'bi' ||
$state == 'ib')
937 if ($state == 'both')
938 $output .= '<b><i>'.$buffer.'</i></b>';
944 * Replace external links
946 * Note: this is all very hackish and the order of execution matters a lot.
947 * Make sure to run maintenance/parserTests.php if you change this code.
951 function replaceExternalLinks( $text ) {
952 $fname = 'Parser::replaceExternalLinks';
953 wfProfileIn( $fname );
955 $sk =& $this->mOptions
->getSkin();
956 $linktrail = wfMsgForContent('linktrail');
957 $bits = preg_split( EXT_LINK_BRACKETED
, $text, -1, PREG_SPLIT_DELIM_CAPTURE
);
959 $s = $this->replaceFreeExternalLinks( array_shift( $bits ) );
962 while ( $i<count( $bits ) ) {
964 $protocol = $bits[$i++
];
966 $trail = $bits[$i++
];
968 # The characters '<' and '>' (which were escaped by
969 # removeHTMLtags()) should not be included in
970 # URLs, per RFC 2396.
971 if (preg_match('/&(lt|gt);/', $url, $m2, PREG_OFFSET_CAPTURE
)) {
972 $text = substr($url, $m2[0][1]) . ' ' . $text;
973 $url = substr($url, 0, $m2[0][1]);
976 # If the link text is an image URL, replace it with an <img> tag
977 # This happened by accident in the original parser, but some people used it extensively
978 $img = $this->maybeMakeImageLink( $text );
979 if ( $img !== false ) {
985 # No link text, e.g. [http://domain.tld/some.link]
987 # Autonumber if allowed
988 if ( strpos( HTTP_PROTOCOLS
, $protocol ) !== false ) {
989 $text = '[' . ++
$this->mAutonumber
. ']';
991 # Otherwise just use the URL
992 $text = htmlspecialchars( $url );
995 # Have link text, e.g. [http://domain.tld/some.link text]s
997 if ( preg_match( $linktrail, $trail, $m2 ) ) {
1003 $encUrl = htmlspecialchars( $url );
1004 # Bit in parentheses showing the URL for the printable version
1005 if( $url == $text ||
preg_match( "!$protocol://" . preg_quote( $text, '/' ) . "/?$!", $url ) ) {
1008 # Expand the URL for printable version
1009 if ( ! $sk->suppressUrlExpansion() ) {
1010 $paren = "<span class='urlexpansion'> (<i>" . htmlspecialchars ( $encUrl ) . "</i>)</span>";
1016 # Process the trail (i.e. everything after this link up until start of the next link),
1017 # replacing any non-bracketed links
1018 $trail = $this->replaceFreeExternalLinks( $trail );
1020 # Use the encoded URL
1021 # This means that users can paste URLs directly into the text
1022 # Funny characters like ö aren't valid in URLs anyway
1023 # This was changed in August 2004
1024 $s .= $sk->makeExternalLink( $url, $text, false ) . $dtrail. $paren . $trail;
1027 wfProfileOut( $fname );
1032 * Replace anything that looks like a URL with a link
1035 function replaceFreeExternalLinks( $text ) {
1036 $bits = preg_split( '/((?:'.URL_PROTOCOLS
.'):)/', $text, -1, PREG_SPLIT_DELIM_CAPTURE
);
1037 $s = array_shift( $bits );
1040 $sk =& $this->mOptions
->getSkin();
1042 while ( $i < count( $bits ) ){
1043 $protocol = $bits[$i++
];
1044 $remainder = $bits[$i++
];
1046 if ( preg_match( '/^('.EXT_LINK_URL_CLASS
.'+)(.*)$/s', $remainder, $m ) ) {
1047 # Found some characters after the protocol that look promising
1048 $url = $protocol . $m[1];
1051 # The characters '<' and '>' (which were escaped by
1052 # removeHTMLtags()) should not be included in
1053 # URLs, per RFC 2396.
1054 if (preg_match('/&(lt|gt);/', $url, $m2, PREG_OFFSET_CAPTURE
)) {
1055 $trail = substr($url, $m2[0][1]) . $trail;
1056 $url = substr($url, 0, $m2[0][1]);
1059 # Move trailing punctuation to $trail
1061 # If there is no left bracket, then consider right brackets fair game too
1062 if ( strpos( $url, '(' ) === false ) {
1066 $numSepChars = strspn( strrev( $url ), $sep );
1067 if ( $numSepChars ) {
1068 $trail = substr( $url, -$numSepChars ) . $trail;
1069 $url = substr( $url, 0, -$numSepChars );
1072 # Replace & from obsolete syntax with &.
1073 # All HTML entities will be escaped by makeExternalLink()
1074 # or maybeMakeImageLink()
1075 $url = str_replace( '&', '&', $url );
1077 # Is this an external image?
1078 $text = $this->maybeMakeImageLink( $url );
1079 if ( $text === false ) {
1080 # Not an image, make a link
1081 $text = $sk->makeExternalLink( $url, $url );
1083 $s .= $text . $trail;
1085 $s .= $protocol . $remainder;
1092 * make an image if it's allowed
1095 function maybeMakeImageLink( $url ) {
1096 $sk =& $this->mOptions
->getSkin();
1098 if ( $this->mOptions
->getAllowExternalImages() ) {
1099 if ( preg_match( EXT_IMAGE_REGEX
, $url ) ) {
1101 $text = $sk->makeImage( htmlspecialchars( $url ) );
1108 * Process [[ ]] wikilinks
1113 function replaceInternalLinks( $s ) {
1114 global $wgLang, $wgContLang, $wgLinkCache;
1115 global $wgDisableLangConversion;
1116 static $fname = 'Parser::replaceInternalLinks' ;
1118 wfProfileIn( $fname );
1120 wfProfileIn( $fname.'-setup' );
1122 # the % is needed to support urlencoded titles as well
1123 if ( !$tc ) { $tc = Title
::legalChars() . '#%'; }
1125 $sk =& $this->mOptions
->getSkin();
1126 global $wgUseOldExistenceCheck;
1127 # "Post-parse link colour check" works only on wiki text since it's now
1128 # in Parser. Enable it, then disable it when we're done.
1129 $saveParseColour = $sk->postParseLinkColour( !$wgUseOldExistenceCheck );
1131 $redirect = MagicWord
::get ( MAG_REDIRECT
) ;
1133 #split the entire text string on occurences of [[
1134 $a = explode( '[[', ' ' . $s );
1135 #get the first element (all text up to first [[), and remove the space we added
1136 $s = array_shift( $a );
1137 $s = substr( $s, 1 );
1139 # Match a link having the form [[namespace:link|alternate]]trail
1141 if ( !$e1 ) { $e1 = "/^([{$tc}]+)(?:\\|([^]]+))?]](.*)\$/sD"; }
1142 # Match cases where there is no "]]", which might still be images
1143 static $e1_img = FALSE;
1144 if ( !$e1_img ) { $e1_img = "/^([{$tc}]+)\\|(.*)\$/sD"; }
1145 # Match the end of a line for a word that's not followed by whitespace,
1146 # e.g. in the case of 'The Arab al[[Razi]]', 'al' will be matched
1147 static $e2 = '/^(.*?)([a-zA-Z\x80-\xff]+)$/sD';
1149 $useLinkPrefixExtension = $wgContLang->linkPrefixExtension();
1151 $nottalk = !Namespace::isTalk( $this->mTitle
->getNamespace() );
1153 if ( $useLinkPrefixExtension ) {
1154 if ( preg_match( $e2, $s, $m ) ) {
1155 $first_prefix = $m[2];
1158 $first_prefix = false;
1164 wfProfileOut( $fname.'-setup' );
1166 $checkVariantLink = sizeof($wgContLang->getVariants())>1;
1167 # Loop for each link
1168 for ($k = 0; isset( $a[$k] ); $k++
) {
1170 wfProfileIn( $fname.'-prefixhandling' );
1171 if ( $useLinkPrefixExtension ) {
1172 if ( preg_match( $e2, $s, $m ) ) {
1180 $prefix = $first_prefix;
1181 $first_prefix = false;
1184 wfProfileOut( $fname.'-prefixhandling' );
1186 $might_be_img = false;
1188 if ( preg_match( $e1, $line, $m ) ) { # page with normal text or alt
1190 # fix up urlencoded title texts
1191 if(preg_match('/%/', $m[1] )) $m[1] = urldecode($m[1]);
1193 } elseif( preg_match($e1_img, $line, $m) ) { # Invalid, but might be an image with a link in its caption
1194 $might_be_img = true;
1196 if(preg_match('/%/', $m[1] )) $m[1] = urldecode($m[1]);
1198 } else { # Invalid form; output directly
1199 $s .= $prefix . '[[' . $line ;
1203 # Don't allow internal links to pages containing
1204 # PROTO: where PROTO is a valid URL protocol; these
1205 # should be external links.
1206 if (preg_match('/^((?:'.URL_PROTOCOLS
.'):)/', $m[1])) {
1207 $s .= $prefix . '[[' . $line ;
1211 # Make subpage if necessary
1212 $link = $this->maybeDoSubpageLink( $m[1], $text );
1214 $noforce = (substr($m[1], 0, 1) != ':');
1216 # Strip off leading ':'
1217 $link = substr($link, 1);
1220 $nt = Title
::newFromText( $this->unstripNoWiki($link, $this->mStripState
) );
1222 $s .= $prefix . '[[' . $line;
1226 #check other language variants of the link
1227 #if the article does not exist
1228 if( $nt->getArticleID() == 0
1229 && $checkVariantLink ) {
1230 $wgContLang->findVariantLink($link, $nt);
1233 $ns = $nt->getNamespace();
1234 $iw = $nt->getInterWiki();
1236 if ($might_be_img) { # if this is actually an invalid link
1237 if ($ns == NS_IMAGE
&& $noforce) { #but might be an image
1239 while (isset ($a[$k+
1]) ) {
1240 #look at the next 'line' to see if we can close it there
1241 $next_line = array_shift(array_splice( $a, $k +
1, 1) );
1242 if( preg_match("/^(.*?]].*?)]](.*)$/sD", $next_line, $m) ) {
1243 # the first ]] closes the inner link, the second the image
1245 $text .= '[[' . $m[1];
1248 } elseif( preg_match("/^.*?]].*$/sD", $next_line, $m) ) {
1249 #if there's exactly one ]] that's fine, we'll keep looking
1250 $text .= '[[' . $m[0];
1252 #if $next_line is invalid too, we need look no further
1253 $text .= '[[' . $next_line;
1258 # we couldn't find the end of this imageLink, so output it raw
1259 #but don't ignore what might be perfectly normal links in the text we've examined
1260 $text = $this->replaceInternalLinks($text);
1261 $s .= $prefix . '[[' . $link . '|' . $text;
1262 # note: no $trail, because without an end, there *is* no trail
1265 } else { #it's not an image, so output it raw
1266 $s .= $prefix . '[[' . $link . '|' . $text;
1267 # note: no $trail, because without an end, there *is* no trail
1272 $wasblank = ( '' == $text );
1273 if( $wasblank ) $text = $link;
1276 # Link not escaped by : , create the various objects
1280 if( $iw && $this->mOptions
->getInterwikiMagic() && $nottalk && $wgContLang->getLanguageName( $iw ) ) {
1281 array_push( $this->mOutput
->mLanguageLinks
, $nt->getFullText() );
1282 $tmp = $prefix . $trail ;
1283 $s .= (trim($tmp) == '')?
'': $tmp;
1287 if ( $ns == NS_IMAGE
) {
1288 # recursively parse links inside the image caption
1289 # actually, this will parse them in any other parameters, too,
1290 # but it might be hard to fix that, and it doesn't matter ATM
1291 $text = $this->replaceExternalLinks($text);
1292 $text = $this->replaceInternalLinks($text);
1294 # replace the image with a link-holder so that replaceExternalLinks() can't mess with it
1295 $s .= $prefix . $this->insertStripItem( $sk->makeImageLinkObj( $nt, $text ), $this->mStripState
) . $trail;
1296 $wgLinkCache->addImageLinkObj( $nt );
1300 if ( $ns == NS_CATEGORY
) {
1301 $t = $nt->getText() ;
1303 $wgLinkCache->suspend(); # Don't save in links/brokenlinks
1304 $pPLC=$sk->postParseLinkColour();
1305 $sk->postParseLinkColour( false );
1306 $t = $sk->makeLinkObj( $nt, $t, '', '' , $prefix );
1307 $sk->postParseLinkColour( $pPLC );
1308 $wgLinkCache->resume();
1311 if ( $this->mTitle
->getNamespace() == NS_CATEGORY
) {
1312 $sortkey = $this->mTitle
->getText();
1314 $sortkey = $this->mTitle
->getPrefixedText();
1319 $wgLinkCache->addCategoryLinkObj( $nt, $sortkey );
1320 $this->mOutput
->mCategoryLinks
[] = $t ;
1321 $s .= $prefix . $trail ;
1326 if( ( $nt->getPrefixedText() === $this->mTitle
->getPrefixedText() ) &&
1327 ( $nt->getFragment() === '' ) ) {
1328 # Self-links are handled specially; generally de-link and change to bold.
1329 $s .= $prefix . $sk->makeSelfLinkObj( $nt, $text, '', $trail );
1333 # Special and Media are pseudo-namespaces; no pages actually exist in them
1334 if( $ns == NS_MEDIA
) {
1335 $s .= $prefix . $sk->makeMediaLinkObj( $nt, $text, true ) . $trail;
1336 $wgLinkCache->addImageLinkObj( $nt );
1338 } elseif( $ns == NS_SPECIAL
) {
1339 $s .= $prefix . $sk->makeKnownLinkObj( $nt, $text, '', $trail );
1342 $s .= $sk->makeLinkObj( $nt, $text, '', $trail, $prefix );
1344 $sk->postParseLinkColour( $saveParseColour );
1345 wfProfileOut( $fname );
1350 * Handle link to subpage if necessary
1351 * @param string $target the source of the link
1352 * @param string &$text the link text, modified as necessary
1353 * @return string the full name of the link
1356 function maybeDoSubpageLink($target, &$text) {
1359 # :Foobar -- override special treatment of prefix (images, language links)
1360 # /Foobar -- convert to CurrentPage/Foobar
1361 # /Foobar/ -- convert to CurrentPage/Foobar, strip the initial / from text
1362 global $wgNamespacesWithSubpages;
1364 $fname = 'Parser::maybeDoSubpageLink';
1365 wfProfileIn( $fname );
1366 # Look at the first character
1367 if( $target{0} == '/' ) {
1368 # / at end means we don't want the slash to be shown
1369 if(substr($target,-1,1)=='/') {
1370 $target=substr($target,1,-1);
1373 $noslash=substr($target,1);
1376 # Some namespaces don't allow subpages
1377 if(!empty($wgNamespacesWithSubpages[$this->mTitle
->getNamespace()])) {
1378 # subpages allowed here
1379 $ret = $this->mTitle
->getPrefixedText(). '/' . trim($noslash);
1380 if( '' === $text ) {
1382 } # this might be changed for ugliness reasons
1384 # no subpage allowed, use standard link
1392 wfProfileOut( $fname );
1397 * Used by doBlockLevels()
1400 /* private */ function closeParagraph() {
1402 if ( '' != $this->mLastSection
) {
1403 $result = '</' . $this->mLastSection
. ">\n";
1405 $this->mInPre
= false;
1406 $this->mLastSection
= '';
1409 # getCommon() returns the length of the longest common substring
1410 # of both arguments, starting at the beginning of both.
1412 /* private */ function getCommon( $st1, $st2 ) {
1413 $fl = strlen( $st1 );
1414 $shorter = strlen( $st2 );
1415 if ( $fl < $shorter ) { $shorter = $fl; }
1417 for ( $i = 0; $i < $shorter; ++
$i ) {
1418 if ( $st1{$i} != $st2{$i} ) { break; }
1422 # These next three functions open, continue, and close the list
1423 # element appropriate to the prefix character passed into them.
1425 /* private */ function openList( $char ) {
1426 $result = $this->closeParagraph();
1428 if ( '*' == $char ) { $result .= '<ul><li>'; }
1429 else if ( '#' == $char ) { $result .= '<ol><li>'; }
1430 else if ( ':' == $char ) { $result .= '<dl><dd>'; }
1431 else if ( ';' == $char ) {
1432 $result .= '<dl><dt>';
1433 $this->mDTopen
= true;
1435 else { $result = '<!-- ERR 1 -->'; }
1440 /* private */ function nextItem( $char ) {
1441 if ( '*' == $char ||
'#' == $char ) { return '</li><li>'; }
1442 else if ( ':' == $char ||
';' == $char ) {
1444 if ( $this->mDTopen
) { $close = '</dt>'; }
1445 if ( ';' == $char ) {
1446 $this->mDTopen
= true;
1447 return $close . '<dt>';
1449 $this->mDTopen
= false;
1450 return $close . '<dd>';
1453 return '<!-- ERR 2 -->';
1456 /* private */ function closeList( $char ) {
1457 if ( '*' == $char ) { $text = '</li></ul>'; }
1458 else if ( '#' == $char ) { $text = '</li></ol>'; }
1459 else if ( ':' == $char ) {
1460 if ( $this->mDTopen
) {
1461 $this->mDTopen
= false;
1462 $text = '</dt></dl>';
1464 $text = '</dd></dl>';
1467 else { return '<!-- ERR 3 -->'; }
1473 * Make lists from lines starting with ':', '*', '#', etc.
1476 * @return string the lists rendered as HTML
1478 function doBlockLevels( $text, $linestart ) {
1479 $fname = 'Parser::doBlockLevels';
1480 wfProfileIn( $fname );
1482 # Parsing through the text line by line. The main thing
1483 # happening here is handling of block-level elements p, pre,
1484 # and making lists from lines starting with * # : etc.
1486 $textLines = explode( "\n", $text );
1488 $lastPrefix = $output = $lastLine = '';
1489 $this->mDTopen
= $inBlockElem = false;
1491 $paragraphStack = false;
1493 if ( !$linestart ) {
1494 $output .= array_shift( $textLines );
1496 foreach ( $textLines as $oLine ) {
1497 $lastPrefixLength = strlen( $lastPrefix );
1498 $preCloseMatch = preg_match('/<\\/pre/i', $oLine );
1499 $preOpenMatch = preg_match('/<pre/i', $oLine );
1500 if ( !$this->mInPre
) {
1501 # Multiple prefixes may abut each other for nested lists.
1502 $prefixLength = strspn( $oLine, '*#:;' );
1503 $pref = substr( $oLine, 0, $prefixLength );
1506 $pref2 = str_replace( ';', ':', $pref );
1507 $t = substr( $oLine, $prefixLength );
1508 $this->mInPre
= !empty($preOpenMatch);
1510 # Don't interpret any other prefixes in preformatted text
1512 $pref = $pref2 = '';
1517 if( $prefixLength && 0 == strcmp( $lastPrefix, $pref2 ) ) {
1518 # Same as the last item, so no need to deal with nesting or opening stuff
1519 $output .= $this->nextItem( substr( $pref, -1 ) );
1520 $paragraphStack = false;
1522 if ( substr( $pref, -1 ) == ';') {
1523 # The one nasty exception: definition lists work like this:
1524 # ; title : definition text
1525 # So we check for : in the remainder text to split up the
1526 # title and definition, without b0rking links.
1527 if ($this->findColonNoLinks($t, $term, $t2) !== false) {
1529 $output .= $term . $this->nextItem( ':' );
1532 } elseif( $prefixLength ||
$lastPrefixLength ) {
1533 # Either open or close a level...
1534 $commonPrefixLength = $this->getCommon( $pref, $lastPrefix );
1535 $paragraphStack = false;
1537 while( $commonPrefixLength < $lastPrefixLength ) {
1538 $output .= $this->closeList( $lastPrefix{$lastPrefixLength-1} );
1539 --$lastPrefixLength;
1541 if ( $prefixLength <= $commonPrefixLength && $commonPrefixLength > 0 ) {
1542 $output .= $this->nextItem( $pref{$commonPrefixLength-1} );
1544 while ( $prefixLength > $commonPrefixLength ) {
1545 $char = substr( $pref, $commonPrefixLength, 1 );
1546 $output .= $this->openList( $char );
1548 if ( ';' == $char ) {
1549 # FIXME: This is dupe of code above
1550 if ($this->findColonNoLinks($t, $term, $t2) !== false) {
1552 $output .= $term . $this->nextItem( ':' );
1555 ++
$commonPrefixLength;
1557 $lastPrefix = $pref2;
1559 if( 0 == $prefixLength ) {
1560 # No prefix (not in list)--go to paragraph mode
1561 $uniq_prefix = UNIQ_PREFIX
;
1562 // XXX: use a stack for nestable elements like span, table and div
1563 $openmatch = preg_match('/(<table|<blockquote|<h1|<h2|<h3|<h4|<h5|<h6|<pre|<tr|<p|<ul|<li|<\\/tr|<\\/td|<\\/th)/i', $t );
1564 $closematch = preg_match(
1565 '/(<\\/table|<\\/blockquote|<\\/h1|<\\/h2|<\\/h3|<\\/h4|<\\/h5|<\\/h6|'.
1566 '<td|<th|<div|<\\/div|<hr|<\\/pre|<\\/p|'.$uniq_prefix.'-pre|<\\/li|<\\/ul)/i', $t );
1567 if ( $openmatch or $closematch ) {
1568 $paragraphStack = false;
1569 $output .= $this->closeParagraph();
1570 if($preOpenMatch and !$preCloseMatch) {
1571 $this->mInPre
= true;
1573 if ( $closematch ) {
1574 $inBlockElem = false;
1576 $inBlockElem = true;
1578 } else if ( !$inBlockElem && !$this->mInPre
) {
1579 if ( ' ' == $t{0} and ( $this->mLastSection
== 'pre' or trim($t) != '' ) ) {
1581 if ($this->mLastSection
!= 'pre') {
1582 $paragraphStack = false;
1583 $output .= $this->closeParagraph().'<pre>';
1584 $this->mLastSection
= 'pre';
1586 $t = substr( $t, 1 );
1589 if ( '' == trim($t) ) {
1590 if ( $paragraphStack ) {
1591 $output .= $paragraphStack.'<br />';
1592 $paragraphStack = false;
1593 $this->mLastSection
= 'p';
1595 if ($this->mLastSection
!= 'p' ) {
1596 $output .= $this->closeParagraph();
1597 $this->mLastSection
= '';
1598 $paragraphStack = '<p>';
1600 $paragraphStack = '</p><p>';
1604 if ( $paragraphStack ) {
1605 $output .= $paragraphStack;
1606 $paragraphStack = false;
1607 $this->mLastSection
= 'p';
1608 } else if ($this->mLastSection
!= 'p') {
1609 $output .= $this->closeParagraph().'<p>';
1610 $this->mLastSection
= 'p';
1616 if ($paragraphStack === false) {
1620 while ( $prefixLength ) {
1621 $output .= $this->closeList( $pref2{$prefixLength-1} );
1624 if ( '' != $this->mLastSection
) {
1625 $output .= '</' . $this->mLastSection
. '>';
1626 $this->mLastSection
= '';
1629 wfProfileOut( $fname );
1634 * Split up a string on ':', ignoring any occurences inside
1635 * <a>..</a> or <span>...</span>
1636 * @param string $str the string to split
1637 * @param string &$before set to everything before the ':'
1638 * @param string &$after set to everything after the ':'
1639 * return string the position of the ':', or false if none found
1641 function findColonNoLinks($str, &$before, &$after) {
1642 # I wonder if we should make this count all tags, not just <a>
1643 # and <span>. That would prevent us from matching a ':' that
1644 # comes in the middle of italics other such formatting....
1646 $fname = 'Parser::findColonNoLinks';
1647 wfProfileIn( $fname );
1650 $colon = strpos($str, ':', $pos);
1652 if ($colon !== false) {
1653 $before = substr($str, 0, $colon);
1654 $after = substr($str, $colon +
1);
1656 # Skip any ':' within <a> or <span> pairs
1657 $a = substr_count($before, '<a');
1658 $s = substr_count($before, '<span');
1659 $ca = substr_count($before, '</a>');
1660 $cs = substr_count($before, '</span>');
1662 if ($a <= $ca and $s <= $cs) {
1663 # Tags are balanced before ':'; ok
1668 } while ($colon !== false);
1669 wfProfileOut( $fname );
1674 * Return value of a magic variable (like PAGENAME)
1678 function getVariableValue( $index ) {
1679 global $wgContLang, $wgSitename, $wgServer;
1682 case MAG_CURRENTMONTH
:
1683 return $wgContLang->formatNum( date( 'm' ) );
1684 case MAG_CURRENTMONTHNAME
:
1685 return $wgContLang->getMonthName( date('n') );
1686 case MAG_CURRENTMONTHNAMEGEN
:
1687 return $wgContLang->getMonthNameGen( date('n') );
1688 case MAG_CURRENTDAY
:
1689 return $wgContLang->formatNum( date('j') );
1691 return $this->mTitle
->getText();
1693 return $this->mTitle
->getPartialURL();
1695 # return Namespace::getCanonicalName($this->mTitle->getNamespace());
1696 return $wgContLang->getNsText($this->mTitle
->getNamespace()); # Patch by Dori
1697 case MAG_CURRENTDAYNAME
:
1698 return $wgContLang->getWeekdayName( date('w')+
1 );
1699 case MAG_CURRENTYEAR
:
1700 return $wgContLang->formatNum( date( 'Y' ) );
1701 case MAG_CURRENTTIME
:
1702 return $wgContLang->time( wfTimestampNow(), false );
1703 case MAG_NUMBEROFARTICLES
:
1704 return $wgContLang->formatNum( wfNumberOfArticles() );
1715 * initialise the magic variables (like CURRENTMONTHNAME)
1719 function initialiseVariables() {
1720 $fname = 'Parser::initialiseVariables';
1721 wfProfileIn( $fname );
1722 global $wgVariableIDs;
1723 $this->mVariables
= array();
1724 foreach ( $wgVariableIDs as $id ) {
1725 $mw =& MagicWord
::get( $id );
1726 $mw->addToArray( $this->mVariables
, $this->getVariableValue( $id ) );
1728 wfProfileOut( $fname );
1732 * Replace magic variables, templates, and template arguments
1733 * with the appropriate text. Templates are substituted recursively,
1734 * taking care to avoid infinite loops.
1736 * Note that the substitution depends on value of $mOutputType:
1737 * OT_WIKI: only {{subst:}} templates
1738 * OT_MSG: only magic variables
1739 * OT_HTML: all templates and magic variables
1741 * @param string $tex The text to transform
1742 * @param array $args Key-value pairs representing template parameters to substitute
1745 function replaceVariables( $text, $args = array() ) {
1746 global $wgLang, $wgScript, $wgArticlePath;
1748 # Prevent too big inclusions
1749 if(strlen($text)> MAX_INCLUDE_SIZE
)
1752 $fname = 'Parser::replaceVariables';
1753 wfProfileIn( $fname );
1755 $titleChars = Title
::legalChars();
1757 # This function is called recursively. To keep track of arguments we need a stack:
1758 array_push( $this->mArgStack
, $args );
1760 # Variable substitution
1761 $text = preg_replace_callback( "/{{([$titleChars]*?)}}/", array( &$this, 'variableSubstitution' ), $text );
1763 if ( $this->mOutputType
== OT_HTML ||
$this->mOutputType
== OT_WIKI
) {
1764 # Argument substitution
1765 $text = preg_replace_callback( "/{{{([$titleChars]*?)}}}/", array( &$this, 'argSubstitution' ), $text );
1767 # Template substitution
1768 $regex = '/(\\n|{)?{{(['.$titleChars.']*)(\\|.*?|)}}/s';
1769 $text = preg_replace_callback( $regex, array( &$this, 'braceSubstitution' ), $text );
1771 array_pop( $this->mArgStack
);
1773 wfProfileOut( $fname );
1778 * Replace magic variables
1781 function variableSubstitution( $matches ) {
1782 if ( !$this->mVariables
) {
1783 $this->initialiseVariables();
1786 if ( $this->mOutputType
== OT_WIKI
) {
1787 # Do only magic variables prefixed by SUBST
1788 $mwSubst =& MagicWord
::get( MAG_SUBST
);
1789 if (!$mwSubst->matchStartAndRemove( $matches[1] ))
1791 # Note that if we don't substitute the variable below,
1792 # we don't remove the {{subst:}} magic word, in case
1793 # it is a template rather than a magic variable.
1795 if ( !$skip && array_key_exists( $matches[1], $this->mVariables
) ) {
1796 $text = $this->mVariables
[$matches[1]];
1797 $this->mOutput
->mContainsOldMagic
= true;
1799 $text = $matches[0];
1804 # Split template arguments
1805 function getTemplateArgs( $argsString ) {
1806 if ( $argsString === '' ) {
1810 $args = explode( '|', substr( $argsString, 1 ) );
1812 # If any of the arguments contains a '[[' but no ']]', it needs to be
1813 # merged with the next arg because the '|' character between belongs
1814 # to the link syntax and not the template parameter syntax.
1815 $argc = count($args);
1817 for ( $i = 0; $i < $argc-1; $i++
) {
1818 if ( substr_count ( $args[$i], '[[' ) != substr_count ( $args[$i], ']]' ) ) {
1819 $args[$i] .= '|'.$args[$i+
1];
1820 array_splice($args, $i+
1, 1);
1830 * Return the text of a template, after recursively
1831 * replacing any variables or templates within the template.
1833 * @param array $matches The parts of the template
1834 * $matches[1]: the title, i.e. the part before the |
1835 * $matches[2]: the parameters (including a leading |), if any
1836 * @return string the text of the template
1839 function braceSubstitution( $matches ) {
1840 global $wgLinkCache, $wgContLang;
1841 $fname = 'Parser::braceSubstitution';
1848 # Need to know if the template comes at the start of a line,
1849 # to treat the beginning of the template like the beginning
1850 # of a line for tables and block-level elements.
1851 $linestart = $matches[1];
1853 # $part1 is the bit before the first |, and must contain only title characters
1854 # $args is a list of arguments, starting from index 0, not including $part1
1856 $part1 = $matches[2];
1857 # If the third subpattern matched anything, it will start with |
1859 $args = $this->getTemplateArgs($matches[3]);
1860 $argc = count( $args );
1862 # Don't parse {{{}}} because that's only for template arguments
1863 if ( $linestart === '{' ) {
1864 $text = $matches[0];
1871 $mwSubst =& MagicWord
::get( MAG_SUBST
);
1872 if ( $mwSubst->matchStartAndRemove( $part1 ) xor ($this->mOutputType
== OT_WIKI
) ) {
1873 # One of two possibilities is true:
1874 # 1) Found SUBST but not in the PST phase
1875 # 2) Didn't find SUBST and in the PST phase
1876 # In either case, return without further processing
1877 $text = $matches[0];
1883 # MSG, MSGNW and INT
1886 $mwMsgnw =& MagicWord
::get( MAG_MSGNW
);
1887 if ( $mwMsgnw->matchStartAndRemove( $part1 ) ) {
1890 # Remove obsolete MSG:
1891 $mwMsg =& MagicWord
::get( MAG_MSG
);
1892 $mwMsg->matchStartAndRemove( $part1 );
1895 # Check if it is an internal message
1896 $mwInt =& MagicWord
::get( MAG_INT
);
1897 if ( $mwInt->matchStartAndRemove( $part1 ) ) {
1898 if ( $this->incrementIncludeCount( 'int:'.$part1 ) ) {
1899 $text = $linestart . wfMsgReal( $part1, $args, true );
1907 # Check for NS: (namespace expansion)
1908 $mwNs = MagicWord
::get( MAG_NS
);
1909 if ( $mwNs->matchStartAndRemove( $part1 ) ) {
1910 if ( intval( $part1 ) ) {
1911 $text = $linestart . $wgContLang->getNsText( intval( $part1 ) );
1914 $index = Namespace::getCanonicalIndex( strtolower( $part1 ) );
1915 if ( !is_null( $index ) ) {
1916 $text = $linestart . $wgContLang->getNsText( $index );
1923 # LOCALURL and LOCALURLE
1925 $mwLocal = MagicWord
::get( MAG_LOCALURL
);
1926 $mwLocalE = MagicWord
::get( MAG_LOCALURLE
);
1928 if ( $mwLocal->matchStartAndRemove( $part1 ) ) {
1929 $func = 'getLocalURL';
1930 } elseif ( $mwLocalE->matchStartAndRemove( $part1 ) ) {
1931 $func = 'escapeLocalURL';
1936 if ( $func !== '' ) {
1937 $title = Title
::newFromText( $part1 );
1938 if ( !is_null( $title ) ) {
1940 $text = $linestart . $title->$func( $args[0] );
1942 $text = $linestart . $title->$func();
1950 if ( !$found && $argc == 1 ) {
1951 $mwGrammar =& MagicWord
::get( MAG_GRAMMAR
);
1952 if ( $mwGrammar->matchStartAndRemove( $part1 ) ) {
1953 $text = $linestart . $wgContLang->convertGrammar( $args[0], $part1 );
1958 # Template table test
1960 # Did we encounter this template already? If yes, it is in the cache
1961 # and we need to check for loops.
1962 if ( !$found && isset( $this->mTemplates
[$part1] ) ) {
1963 # set $text to cached message.
1964 $text = $linestart . $this->mTemplates
[$part1];
1967 # Infinite loop test
1968 if ( isset( $this->mTemplatePath
[$part1] ) ) {
1971 $text .= '<!-- WARNING: template loop detected -->';
1975 # Load from database
1976 $itcamefromthedatabase = false;
1979 $part1 = $this->maybeDoSubpageLink( $part1, $subpage='' );
1980 if ($subpage !== '') {
1981 $ns = $this->mTitle
->getNamespace();
1983 $title = Title
::newFromText( $part1, $ns );
1984 if ( !is_null( $title ) && !$title->isExternal() ) {
1985 # Check for excessive inclusion
1986 $dbk = $title->getPrefixedDBkey();
1987 if ( $this->incrementIncludeCount( $dbk ) ) {
1988 # This should never be reached.
1989 $article = new Article( $title );
1990 $articleContent = $article->getContentWithoutUsingSoManyDamnGlobals();
1991 if ( $articleContent !== false ) {
1993 $text = $linestart . $articleContent;
1994 $itcamefromthedatabase = true;
1998 # If the title is valid but undisplayable, make a link to it
1999 if ( $this->mOutputType
== OT_HTML
&& !$found ) {
2000 $text = $linestart . '[['.$title->getPrefixedText().']]';
2004 # Template cache array insertion
2005 $this->mTemplates
[$part1] = $text;
2009 # Recursive parsing, escaping and link table handling
2010 # Only for HTML output
2011 if ( $nowiki && $found && $this->mOutputType
== OT_HTML
) {
2012 $text = wfEscapeWikiText( $text );
2013 } elseif ( ($this->mOutputType
== OT_HTML ||
$this->mOutputType
== OT_WIKI
) && $found && !$noparse) {
2014 # Clean up argument array
2015 $assocArgs = array();
2017 foreach( $args as $arg ) {
2018 $eqpos = strpos( $arg, '=' );
2019 if ( $eqpos === false ) {
2020 $assocArgs[$index++
] = $arg;
2022 $name = trim( substr( $arg, 0, $eqpos ) );
2023 $value = trim( substr( $arg, $eqpos+
1 ) );
2024 if ( $value === false ) {
2027 if ( $name !== false ) {
2028 $assocArgs[$name] = $value;
2033 # Add a new element to the templace recursion path
2034 $this->mTemplatePath
[$part1] = 1;
2036 $text = $this->strip( $text, $this->mStripState
);
2037 $text = $this->removeHTMLtags( $text );
2038 $text = $this->replaceVariables( $text, $assocArgs );
2040 # Resume the link cache and register the inclusion as a link
2041 if ( $this->mOutputType
== OT_HTML
&& !is_null( $title ) ) {
2042 $wgLinkCache->addLinkObj( $title );
2045 # If the template begins with a table or block-level
2046 # element, it should be treated as beginning a new line.
2047 if ($linestart !== '\n' && preg_match('/^({\\||:|;|#|\*)/', $text)) {
2048 $text = "\n" . $text;
2052 # Empties the template path
2053 $this->mTemplatePath
= array();
2057 # replace ==section headers==
2058 # XXX this needs to go away once we have a better parser.
2059 if ( $this->mOutputType
!= OT_WIKI
&& $itcamefromthedatabase ) {
2060 if( !is_null( $title ) )
2061 $encodedname = base64_encode($title->getPrefixedDBkey());
2063 $encodedname = base64_encode("");
2064 $m = preg_split('/(^={1,6}.*?={1,6}\s*?$)/m', $text, -1,
2065 PREG_SPLIT_DELIM_CAPTURE
);
2068 for( $i = 0; $i < count($m); $i +
= 2 ) {
2070 if (!isset($m[$i +
1]) ||
$m[$i +
1] == "") continue;
2072 if( strstr($hl, "<!--MWTEMPLATESECTION") ) {
2076 preg_match('/^(={1,6})(.*?)(={1,6})\s*?$/m', $hl, $m2);
2077 $text .= $m2[1] . $m2[2] . "<!--MWTEMPLATESECTION="
2078 . $encodedname . "&" . base64_encode("$nsec") . "-->" . $m2[3];
2085 # Empties the template path
2086 $this->mTemplatePath
= array();
2095 * Triple brace replacement -- used for template arguments
2098 function argSubstitution( $matches ) {
2099 $arg = trim( $matches[1] );
2100 $text = $matches[0];
2101 $inputArgs = end( $this->mArgStack
);
2103 if ( array_key_exists( $arg, $inputArgs ) ) {
2104 $text = $inputArgs[$arg];
2111 * Returns true if the function is allowed to include this entity
2114 function incrementIncludeCount( $dbk ) {
2115 if ( !array_key_exists( $dbk, $this->mIncludeCount
) ) {
2116 $this->mIncludeCount
[$dbk] = 0;
2118 if ( ++
$this->mIncludeCount
[$dbk] <= MAX_INCLUDE_REPEAT
) {
2127 * Cleans up HTML, removes dangerous tags and attributes, and
2128 * removes HTML comments
2131 function removeHTMLtags( $text ) {
2132 global $wgUseTidy, $wgUserHtml;
2133 $fname = 'Parser::removeHTMLtags';
2134 wfProfileIn( $fname );
2137 $htmlpairs = array( # Tags that must be closed
2138 'b', 'del', 'i', 'ins', 'u', 'font', 'big', 'small', 'sub', 'sup', 'h1',
2139 'h2', 'h3', 'h4', 'h5', 'h6', 'cite', 'code', 'em', 's',
2140 'strike', 'strong', 'tt', 'var', 'div', 'center',
2141 'blockquote', 'ol', 'ul', 'dl', 'table', 'caption', 'pre',
2142 'ruby', 'rt' , 'rb' , 'rp', 'p'
2144 $htmlsingle = array(
2145 'br', 'hr', 'li', 'dt', 'dd'
2147 $htmlnest = array( # Tags that can be nested--??
2148 'table', 'tr', 'td', 'th', 'div', 'blockquote', 'ol', 'ul',
2149 'dl', 'font', 'big', 'small', 'sub', 'sup'
2151 $tabletags = array( # Can only appear inside table
2155 $htmlpairs = array();
2156 $htmlsingle = array();
2157 $htmlnest = array();
2158 $tabletags = array();
2161 $htmlsingle = array_merge( $tabletags, $htmlsingle );
2162 $htmlelements = array_merge( $htmlsingle, $htmlpairs );
2164 $htmlattrs = $this->getHTMLattrs () ;
2166 # Remove HTML comments
2167 $text = $this->removeHTMLcomments( $text );
2169 $bits = explode( '<', $text );
2170 $text = array_shift( $bits );
2172 $tagstack = array(); $tablestack = array();
2173 foreach ( $bits as $x ) {
2174 $prev = error_reporting( E_ALL
& ~
( E_NOTICE | E_WARNING
) );
2175 preg_match( '/^(\\/?)(\\w+)([^>]*)(\\/{0,1}>)([^<]*)$/',
2177 list( $qbar, $slash, $t, $params, $brace, $rest ) = $regs;
2178 error_reporting( $prev );
2181 if ( in_array( $t = strtolower( $t ), $htmlelements ) ) {
2185 if ( ! in_array( $t, $htmlsingle ) &&
2186 ( $ot = @array_pop
( $tagstack ) ) != $t ) {
2187 @array_push
( $tagstack, $ot );
2190 if ( $t == 'table' ) {
2191 $tagstack = array_pop( $tablestack );
2196 # Keep track for later
2197 if ( in_array( $t, $tabletags ) &&
2198 ! in_array( 'table', $tagstack ) ) {
2200 } else if ( in_array( $t, $tagstack ) &&
2201 ! in_array ( $t , $htmlnest ) ) {
2203 } else if ( ! in_array( $t, $htmlsingle ) ) {
2204 if ( $t == 'table' ) {
2205 array_push( $tablestack, $tagstack );
2206 $tagstack = array();
2208 array_push( $tagstack, $t );
2210 # Strip non-approved attributes from the tag
2211 $newparams = $this->fixTagAttributes($params);
2215 $rest = str_replace( '>', '>', $rest );
2216 $text .= "<$slash$t $newparams$brace$rest";
2220 $text .= '<' . str_replace( '>', '>', $x);
2222 # Close off any remaining tags
2223 while ( is_array( $tagstack ) && ($t = array_pop( $tagstack )) ) {
2225 if ( $t == 'table' ) { $tagstack = array_pop( $tablestack ); }
2228 # this might be possible using tidy itself
2229 foreach ( $bits as $x ) {
2230 preg_match( '/^(\\/?)(\\w+)([^>]*)(\\/{0,1}>)([^<]*)$/',
2232 @list
( $qbar, $slash, $t, $params, $brace, $rest ) = $regs;
2233 if ( in_array( $t = strtolower( $t ), $htmlelements ) ) {
2234 $newparams = $this->fixTagAttributes($params);
2235 $rest = str_replace( '>', '>', $rest );
2236 $text .= "<$slash$t $newparams$brace$rest";
2238 $text .= '<' . str_replace( '>', '>', $x);
2242 wfProfileOut( $fname );
2247 * Remove '<!--', '-->', and everything between.
2248 * To avoid leaving blank lines, when a comment is both preceded
2249 * and followed by a newline (ignoring spaces), trim leading and
2250 * trailing spaces and one of the newlines.
2254 function removeHTMLcomments( $text ) {
2255 $fname='Parser::removeHTMLcomments';
2256 wfProfileIn( $fname );
2257 while (($start = strpos($text, '<!--')) !== false) {
2258 $end = strpos($text, '-->', $start +
4);
2259 if ($end === false) {
2260 # Unterminated comment; bail out
2266 # Trim space and newline if the comment is both
2267 # preceded and followed by a newline
2268 $spaceStart = max($start - 1, 0);
2269 $spaceLen = $end - $spaceStart;
2270 while (substr($text, $spaceStart, 1) === ' ' && $spaceStart > 0) {
2274 while (substr($text, $spaceStart +
$spaceLen, 1) === ' ')
2276 if (substr($text, $spaceStart, 1) === "\n" and substr($text, $spaceStart +
$spaceLen, 1) === "\n") {
2277 # Remove the comment, leading and trailing
2278 # spaces, and leave only one newline.
2279 $text = substr_replace($text, "\n", $spaceStart, $spaceLen +
1);
2282 # Remove just the comment.
2283 $text = substr_replace($text, '', $start, $end - $start);
2286 wfProfileOut( $fname );
2291 * This function accomplishes several tasks:
2292 * 1) Auto-number headings if that option is enabled
2293 * 2) Add an [edit] link to sections for logged in users who have enabled the option
2294 * 3) Add a Table of contents on the top for users who have enabled the option
2295 * 4) Auto-anchor headings
2297 * It loops through all headlines, collects the necessary data, then splits up the
2298 * string and re-inserts the newly formatted headlines.
2301 /* private */ function formatHeadings( $text, $isMain=true ) {
2302 global $wgInputEncoding, $wgMaxTocLevel, $wgContLang, $wgLinkHolders;
2304 $doNumberHeadings = $this->mOptions
->getNumberHeadings();
2305 $doShowToc = $this->mOptions
->getShowToc();
2306 $forceTocHere = false;
2307 if( !$this->mTitle
->userCanEdit() ) {
2309 $rightClickHack = 0;
2311 $showEditLink = $this->mOptions
->getEditSection();
2312 $rightClickHack = $this->mOptions
->getEditSectionOnRightClick();
2315 # Inhibit editsection links if requested in the page
2316 $esw =& MagicWord
::get( MAG_NOEDITSECTION
);
2317 if( $esw->matchAndRemove( $text ) ) {
2320 # if the string __NOTOC__ (not case-sensitive) occurs in the HTML,
2322 $mw =& MagicWord
::get( MAG_NOTOC
);
2323 if( $mw->matchAndRemove( $text ) ) {
2327 # never add the TOC to the Main Page. This is an entry page that should not
2328 # be more than 1-2 screens large anyway
2329 if( $this->mTitle
->getPrefixedText() == wfMsg('mainpage') ) {
2333 # Get all headlines for numbering them and adding funky stuff like [edit]
2334 # links - this is for later, but we need the number of headlines right now
2335 $numMatches = preg_match_all( '/<H([1-6])(.*?' . '>)(.*?)<\/H[1-6]>/i', $text, $matches );
2337 # if there are fewer than 4 headlines in the article, do not show TOC
2338 if( $numMatches < 4 ) {
2342 # if the string __TOC__ (not case-sensitive) occurs in the HTML,
2343 # override above conditions and always show TOC at that place
2344 $mw =& MagicWord
::get( MAG_TOC
);
2345 if ($mw->match( $text ) ) {
2347 $forceTocHere = true;
2349 # if the string __FORCETOC__ (not case-sensitive) occurs in the HTML,
2350 # override above conditions and always show TOC above first header
2351 $mw =& MagicWord
::get( MAG_FORCETOC
);
2352 if ($mw->matchAndRemove( $text ) ) {
2359 # We need this to perform operations on the HTML
2360 $sk =& $this->mOptions
->getSkin();
2364 $sectionCount = 0; # headlineCount excluding template sections
2366 # Ugh .. the TOC should have neat indentation levels which can be
2367 # passed to the skin functions. These are determined here
2372 $sublevelCount = array();
2375 foreach( $matches[3] as $headline ) {
2377 $templatetitle = "";
2378 $templatesection = 0;
2380 if (preg_match("/<!--MWTEMPLATESECTION=([^&]+)&([^_]+)-->/", $headline, $mat)) {
2382 $templatetitle = base64_decode($mat[1]);
2383 $templatesection = 1 +
(int)base64_decode($mat[2]);
2384 $headline = preg_replace("/<!--MWTEMPLATESECTION=([^&]+)&([^_]+)-->/", "", $headline);
2389 $prevlevel = $level;
2391 $level = $matches[1][$headlineCount];
2392 if( ( $doNumberHeadings ||
$doShowToc ) && $prevlevel && $level > $prevlevel ) {
2393 # reset when we enter a new level
2394 $sublevelCount[$level] = 0;
2395 $toc .= $sk->tocIndent( $level - $prevlevel );
2396 $toclevel +
= $level - $prevlevel;
2398 if( ( $doNumberHeadings ||
$doShowToc ) && $level < $prevlevel ) {
2399 # reset when we step back a level
2400 $sublevelCount[$level+
1]=0;
2401 $toc .= $sk->tocUnindent( $prevlevel - $level );
2402 $toclevel -= $prevlevel - $level;
2404 # count number of headlines for each level
2405 @$sublevelCount[$level]++
;
2406 if( $doNumberHeadings ||
$doShowToc ) {
2408 for( $i = 1; $i <= $level; $i++
) {
2409 if( !empty( $sublevelCount[$i] ) ) {
2413 $numbering .= $wgContLang->formatNum( $sublevelCount[$i] );
2419 # The canonized header is a version of the header text safe to use for links
2420 # Avoid insertion of weird stuff like <math> by expanding the relevant sections
2421 $canonized_headline = $this->unstrip( $headline, $this->mStripState
);
2422 $canonized_headline = $this->unstripNoWiki( $headline, $this->mStripState
);
2424 # Remove link placeholders by the link text.
2425 # <!--LINK number-->
2427 # link text with suffix
2428 $canonized_headline = preg_replace( '/<!--LINK ([0-9]*)-->/e',
2429 "\$wgLinkHolders['texts'][\$1]",
2430 $canonized_headline );
2433 $canonized_headline = preg_replace( '/<.*?' . '>/','',$canonized_headline );
2434 $tocline = trim( $canonized_headline );
2435 $canonized_headline = urlencode( do_html_entity_decode( str_replace(' ', '_', $tocline), ENT_COMPAT
, $wgInputEncoding ) );
2436 $replacearray = array(
2440 $canonized_headline = str_replace(array_keys($replacearray),array_values($replacearray),$canonized_headline);
2441 $refer[$headlineCount] = $canonized_headline;
2443 # count how many in assoc. array so we can track dupes in anchors
2444 @$refers[$canonized_headline]++
;
2445 $refcount[$headlineCount]=$refers[$canonized_headline];
2447 # Prepend the number to the heading text
2449 if( $doNumberHeadings ||
$doShowToc ) {
2450 $tocline = $numbering . ' ' . $tocline;
2452 # Don't number the heading if it is the only one (looks silly)
2453 if( $doNumberHeadings && count( $matches[3] ) > 1) {
2454 # the two are different if the line contains a link
2455 $headline=$numbering . ' ' . $headline;
2459 # Create the anchor for linking from the TOC to the section
2460 $anchor = $canonized_headline;
2461 if($refcount[$headlineCount] > 1 ) {
2462 $anchor .= '_' . $refcount[$headlineCount];
2464 if( $doShowToc && ( !isset($wgMaxTocLevel) ||
$toclevel<$wgMaxTocLevel ) ) {
2465 $toc .= $sk->tocLine($anchor,$tocline,$toclevel);
2467 if( $showEditLink && ( !$istemplate ||
$templatetitle !== "" ) ) {
2468 if ( empty( $head[$headlineCount] ) ) {
2469 $head[$headlineCount] = '';
2472 $head[$headlineCount] .= $sk->editSectionLinkForOther($templatetitle, $templatesection);
2474 $head[$headlineCount] .= $sk->editSectionLink($this->mTitle
, $sectionCount+
1);
2477 # Add the edit section span
2478 if( $rightClickHack ) {
2480 $headline = $sk->editSectionScriptForOther($templatetitle, $templatesection, $headline);
2482 $headline = $sk->editSectionScript($this->mTitle
, $sectionCount+
1,$headline);
2485 # give headline the correct <h#> tag
2486 @$head[$headlineCount] .= "<a name=\"$anchor\"></a><h".$level.$matches[2][$headlineCount] .$headline.'</h'.$level.'>';
2494 $toclines = $headlineCount;
2495 $toc .= $sk->tocUnindent( $toclevel );
2496 $toc = $sk->tocTable( $toc );
2499 # split up and insert constructed headlines
2501 $blocks = preg_split( '/<H[1-6].*?' . '>.*?<\/H[1-6]>/i', $text );
2504 foreach( $blocks as $block ) {
2505 if( $showEditLink && $headlineCount > 0 && $i == 0 && $block != "\n" ) {
2506 # This is the [edit] link that appears for the top block of text when
2507 # section editing is enabled
2509 # Disabled because it broke block formatting
2510 # For example, a bullet point in the top line
2511 # $full .= $sk->editSectionLink(0);
2514 if( $doShowToc && !$i && $isMain && !$forceTocHere) {
2515 # Top anchor now in skin
2519 if( !empty( $head[$i] ) ) {
2525 $mw =& MagicWord
::get( MAG_TOC
);
2526 return $mw->replace( $toc, $full );
2533 * Return an HTML link for the "ISBN 123456" text
2536 function magicISBN( $text ) {
2538 $fname = 'Parser::magicISBN';
2539 wfProfileIn( $fname );
2541 $a = split( 'ISBN ', ' '.$text );
2542 if ( count ( $a ) < 2 ) {
2543 wfProfileOut( $fname );
2546 $text = substr( array_shift( $a ), 1);
2547 $valid = '0123456789-ABCDEFGHIJKLMNOPQRSTUVWXYZ';
2549 foreach ( $a as $x ) {
2550 $isbn = $blank = '' ;
2551 while ( ' ' == $x{0} ) {
2553 $x = substr( $x, 1 );
2555 if ( $x == '' ) { # blank isbn
2556 $text .= "ISBN $blank";
2559 while ( strstr( $valid, $x{0} ) != false ) {
2561 $x = substr( $x, 1 );
2563 $num = str_replace( '-', '', $isbn );
2564 $num = str_replace( ' ', '', $num );
2567 $text .= "ISBN $blank$x";
2569 $titleObj = Title
::makeTitle( NS_SPECIAL
, 'Booksources' );
2570 $text .= '<a href="' .
2571 $titleObj->escapeLocalUrl( 'isbn='.$num ) .
2572 "\" class=\"internal\">ISBN $isbn</a>";
2576 wfProfileOut( $fname );
2581 * Return an HTML link for the "GEO ..." text
2584 function magicGEO( $text ) {
2585 global $wgLang, $wgUseGeoMode;
2586 $fname = 'Parser::magicGEO';
2587 wfProfileIn( $fname );
2589 # These next five lines are only for the ~35000 U.S. Census Rambot pages...
2590 $directions = array ( 'N' => 'North' , 'S' => 'South' , 'E' => 'East' , 'W' => 'West' ) ;
2591 $text = preg_replace ( "/(\d+)°(\d+)'(\d+)\" {$directions['N']}, (\d+)°(\d+)'(\d+)\" {$directions['W']}/" , "(GEO +\$1.\$2.\$3:-\$4.\$5.\$6)" , $text ) ;
2592 $text = preg_replace ( "/(\d+)°(\d+)'(\d+)\" {$directions['N']}, (\d+)°(\d+)'(\d+)\" {$directions['E']}/" , "(GEO +\$1.\$2.\$3:+\$4.\$5.\$6)" , $text ) ;
2593 $text = preg_replace ( "/(\d+)°(\d+)'(\d+)\" {$directions['S']}, (\d+)°(\d+)'(\d+)\" {$directions['W']}/" , "(GEO +\$1.\$2.\$3:-\$4.\$5.\$6)" , $text ) ;
2594 $text = preg_replace ( "/(\d+)°(\d+)'(\d+)\" {$directions['S']}, (\d+)°(\d+)'(\d+)\" {$directions['E']}/" , "(GEO +\$1.\$2.\$3:+\$4.\$5.\$6)" , $text ) ;
2596 $a = split( 'GEO ', ' '.$text );
2597 if ( count ( $a ) < 2 ) {
2598 wfProfileOut( $fname );
2601 $text = substr( array_shift( $a ), 1);
2602 $valid = '0123456789.+-:';
2604 foreach ( $a as $x ) {
2605 $geo = $blank = '' ;
2606 while ( ' ' == $x{0} ) {
2608 $x = substr( $x, 1 );
2610 while ( strstr( $valid, $x{0} ) != false ) {
2612 $x = substr( $x, 1 );
2614 $num = str_replace( '+', '', $geo );
2615 $num = str_replace( ' ', '', $num );
2617 if ( '' == $num ||
count ( explode ( ':' , $num , 3 ) ) < 2 ) {
2618 $text .= "GEO $blank$x";
2620 $titleObj = Title
::makeTitle( NS_SPECIAL
, 'Geo' );
2621 $text .= '<a href="' .
2622 $titleObj->escapeLocalUrl( 'coordinates='.$num ) .
2623 "\" class=\"internal\">GEO $geo</a>";
2627 wfProfileOut( $fname );
2632 * Return an HTML link for the "RFC 1234" text
2634 * @param string $text text to be processed
2636 function magicRFC( $text, $keyword='RFC ', $urlmsg='rfcurl' ) {
2639 $valid = '0123456789';
2642 $a = split( $keyword, ' '.$text );
2643 if ( count ( $a ) < 2 ) {
2646 $text = substr( array_shift( $a ), 1);
2648 /* Check if keyword is preceed by [[.
2649 * This test is made here cause of the array_shift above
2650 * that prevent the test to be done in the foreach.
2652 if ( substr( $text, -2 ) == '[[' ) {
2656 foreach ( $a as $x ) {
2657 /* token might be empty if we have RFC RFC 1234 */
2665 /** remove and save whitespaces in $blank */
2666 while ( $x{0} == ' ' ) {
2668 $x = substr( $x, 1 );
2671 /** remove and save the rfc number in $id */
2672 while ( strstr( $valid, $x{0} ) != false ) {
2674 $x = substr( $x, 1 );
2678 /* call back stripped spaces*/
2679 $text .= $keyword.$blank.$x;
2680 } elseif( $internal ) {
2682 $text .= $keyword.$id.$x;
2684 /* build the external link*/
2685 $url = wfmsg( $urlmsg );
2686 $url = str_replace( '$1', $id, $url);
2687 $sk =& $this->mOptions
->getSkin();
2688 $la = $sk->getExternalLinkAttributes( $url, $keyword.$id );
2689 $text .= "<a href='{$url}'{$la}>{$keyword}{$id}</a>{$x}";
2692 /* Check if the next RFC keyword is preceed by [[ */
2693 $internal = ( substr($x,-2) == '[[' );
2699 * Transform wiki markup when saving a page by doing \r\n -> \n
2700 * conversion, substitting signatures, {{subst:}} templates, etc.
2702 * @param string $text the text to transform
2703 * @param Title &$title the Title object for the current article
2704 * @param User &$user the User object describing the current user
2705 * @param ParserOptions $options parsing options
2706 * @param bool $clearState whether to clear the parser state first
2707 * @return string the altered wiki markup
2710 function preSaveTransform( $text, &$title, &$user, $options, $clearState = true ) {
2711 $this->mOptions
= $options;
2712 $this->mTitle
=& $title;
2713 $this->mOutputType
= OT_WIKI
;
2715 if ( $clearState ) {
2716 $this->clearState();
2719 $stripState = false;
2723 $text = str_replace( array_keys( $pairs ), array_values( $pairs ), $text );
2724 $text = $this->strip( $text, $stripState, false );
2725 $text = $this->pstPass2( $text, $user );
2726 $text = $this->unstrip( $text, $stripState );
2727 $text = $this->unstripNoWiki( $text, $stripState );
2732 * Pre-save transform helper function
2735 function pstPass2( $text, &$user ) {
2736 global $wgLang, $wgContLang, $wgLocaltimezone;
2738 # Variable replacement
2739 # Because mOutputType is OT_WIKI, this will only process {{subst:xxx}} type tags
2740 $text = $this->replaceVariables( $text );
2744 $n = $user->getName();
2745 $k = $user->getOption( 'nickname' );
2746 if ( '' == $k ) { $k = $n; }
2747 if ( isset( $wgLocaltimezone ) ) {
2748 $oldtz = getenv( 'TZ' );
2749 putenv( 'TZ='.$wgLocaltimezone );
2751 /* Note: this is an ugly timezone hack for the European wikis */
2752 $d = $wgContLang->timeanddate( date( 'YmdHis' ), false ) .
2753 ' (' . date( 'T' ) . ')';
2754 if ( isset( $wgLocaltimezone ) ) {
2755 putenv( 'TZ='.$oldtzs );
2758 $text = preg_replace( '/~~~~~~/', $d, $text );
2759 $text = preg_replace( '/~~~~/', '[[' . $wgContLang->getNsText( NS_USER
) . ":$n|$k]] $d", $text );
2760 $text = preg_replace( '/~~~/', '[[' . $wgContLang->getNsText( NS_USER
) . ":$n|$k]]", $text );
2762 # Context links: [[|name]] and [[name (context)|]]
2764 $tc = "[&;%\\-,.\\(\\)' _0-9A-Za-z\\/:\\x80-\\xff]";
2765 $np = "[&;%\\-,.' _0-9A-Za-z\\/:\\x80-\\xff]"; # No parens
2766 $namespacechar = '[ _0-9A-Za-z\x80-\xff]'; # Namespaces can use non-ascii!
2767 $conpat = "/^({$np}+) \\(({$tc}+)\\)$/";
2769 $p1 = "/\[\[({$np}+) \\(({$np}+)\\)\\|]]/"; # [[page (context)|]]
2770 $p2 = "/\[\[\\|({$tc}+)]]/"; # [[|page]]
2771 $p3 = "/\[\[(:*$namespacechar+):({$np}+)\\|]]/"; # [[namespace:page|]] and [[:namespace:page|]]
2772 $p4 = "/\[\[(:*$namespacechar+):({$np}+) \\(({$np}+)\\)\\|]]/"; # [[ns:page (cont)|]] and [[:ns:page (cont)|]]
2774 $t = $this->mTitle
->getText();
2775 if ( preg_match( $conpat, $t, $m ) ) {
2778 $text = preg_replace( $p4, '[[\\1:\\2 (\\3)|\\2]]', $text );
2779 $text = preg_replace( $p1, '[[\\1 (\\2)|\\1]]', $text );
2780 $text = preg_replace( $p3, '[[\\1:\\2|\\2]]', $text );
2782 if ( '' == $context ) {
2783 $text = preg_replace( $p2, '[[\\1]]', $text );
2785 $text = preg_replace( $p2, "[[\\1 ({$context})|\\1]]", $text );
2788 # Trim trailing whitespace
2789 # MAG_END (__END__) tag allows for trailing
2790 # whitespace to be deliberately included
2791 $text = rtrim( $text );
2792 $mw =& MagicWord
::get( MAG_END
);
2793 $mw->matchAndRemove( $text );
2799 * Set up some variables which are usually set up in parse()
2800 * so that an external function can call some class members with confidence
2803 function startExternalParse( &$title, $options, $outputType, $clearState = true ) {
2804 $this->mTitle
=& $title;
2805 $this->mOptions
= $options;
2806 $this->mOutputType
= $outputType;
2807 if ( $clearState ) {
2808 $this->clearState();
2813 * Transform a MediaWiki message by replacing magic variables.
2815 * @param string $text the text to transform
2816 * @param ParserOptions $options options
2817 * @return string the text with variables substituted
2820 function transformMsg( $text, $options ) {
2822 static $executing = false;
2824 # Guard against infinite recursion
2830 $this->mTitle
= $wgTitle;
2831 $this->mOptions
= $options;
2832 $this->mOutputType
= OT_MSG
;
2833 $this->clearState();
2834 $text = $this->replaceVariables( $text );
2841 * Create an HTML-style tag, e.g. <yourtag>special text</yourtag>
2842 * Callback will be called with the text within
2843 * Transform and return the text within
2846 function setHook( $tag, $callback ) {
2847 $oldVal = @$this->mTagHooks
[$tag];
2848 $this->mTagHooks
[$tag] = $callback;
2853 * Replace <!--LINK--> link placeholders with actual links, in the buffer
2854 * Placeholders created in Skin::makeLinkObj()
2855 * Returns an array of links found, indexed by PDBK:
2859 * $options is a bit field, RLH_FOR_UPDATE to select for update
2861 function replaceLinkHolders( &$text, $options = 0 ) {
2862 global $wgUser, $wgLinkCache, $wgUseOldExistenceCheck, $wgLinkHolders;
2863 global $wgInterwikiLinkHolders;
2864 global $outputReplace;
2866 if ( $wgUseOldExistenceCheck ) {
2870 $fname = 'Parser::replaceLinkHolders';
2871 wfProfileIn( $fname );
2876 #if ( !empty( $tmpLinks[0] ) ) { #TODO
2877 if ( !empty( $wgLinkHolders['namespaces'] ) ) {
2878 wfProfileIn( $fname.'-check' );
2879 $dbr =& wfGetDB( DB_SLAVE
);
2880 $cur = $dbr->tableName( 'cur' );
2881 $sk = $wgUser->getSkin();
2882 $threshold = $wgUser->getOption('stubthreshold');
2885 asort( $wgLinkHolders['namespaces'] );
2889 foreach ( $wgLinkHolders['namespaces'] as $key => $val ) {
2891 $title = $wgLinkHolders['titles'][$key];
2893 # Skip invalid entries.
2894 # Result will be ugly, but prevents crash.
2895 if ( is_null( $title ) ) {
2898 $pdbk = $pdbks[$key] = $title->getPrefixedDBkey();
2900 # Check if it's in the link cache already
2901 if ( $wgLinkCache->getGoodLinkID( $pdbk ) ) {
2902 $colours[$pdbk] = 1;
2903 } elseif ( $wgLinkCache->isBadLink( $pdbk ) ) {
2904 $colours[$pdbk] = 0;
2906 # Not in the link cache, add it to the query
2907 if ( !isset( $current ) ) {
2909 $query = "SELECT cur_id, cur_namespace, cur_title";
2910 if ( $threshold > 0 ) {
2911 $query .= ", LENGTH(cur_text) AS cur_len, cur_is_redirect";
2913 $query .= " FROM $cur WHERE (cur_namespace=$val AND cur_title IN(";
2914 } elseif ( $current != $val ) {
2916 $query .= ")) OR (cur_namespace=$val AND cur_title IN(";
2921 $query .= $dbr->addQuotes( $wgLinkHolders['dbkeys'][$key] );
2926 if ( $options & RLH_FOR_UPDATE
) {
2927 $query .= ' FOR UPDATE';
2930 $res = $dbr->query( $query, $fname );
2932 # Fetch data and form into an associative array
2933 # non-existent = broken
2936 while ( $s = $dbr->fetchObject($res) ) {
2937 $title = Title
::makeTitle( $s->cur_namespace
, $s->cur_title
);
2938 $pdbk = $title->getPrefixedDBkey();
2939 $wgLinkCache->addGoodLink( $s->cur_id
, $pdbk );
2941 if ( $threshold > 0 ) {
2942 $size = $s->cur_len
;
2943 if ( $s->cur_is_redirect ||
$s->cur_namespace
!= 0 ||
$length < $threshold ) {
2944 $colours[$pdbk] = 1;
2946 $colours[$pdbk] = 2;
2949 $colours[$pdbk] = 1;
2953 wfProfileOut( $fname.'-check' );
2955 # Construct search and replace arrays
2956 wfProfileIn( $fname.'-construct' );
2957 $outputReplace = array();
2958 foreach ( $wgLinkHolders['namespaces'] as $key => $ns ) {
2959 $pdbk = $pdbks[$key];
2960 $searchkey = '<!--LINK '.$key.'-->';
2961 $title = $wgLinkHolders['titles'][$key];
2962 if ( empty( $colours[$pdbk] ) ) {
2963 $wgLinkCache->addBadLink( $pdbk );
2964 $colours[$pdbk] = 0;
2965 $outputReplace[$searchkey] = $sk->makeBrokenLinkObj( $title,
2966 $wgLinkHolders['texts'][$key],
2967 $wgLinkHolders['queries'][$key] );
2968 } elseif ( $colours[$pdbk] == 1 ) {
2969 $outputReplace[$searchkey] = $sk->makeKnownLinkObj( $title,
2970 $wgLinkHolders['texts'][$key],
2971 $wgLinkHolders['queries'][$key] );
2972 } elseif ( $colours[$pdbk] == 2 ) {
2973 $outputReplace[$searchkey] = $sk->makeStubLinkObj( $title,
2974 $wgLinkHolders['texts'][$key],
2975 $wgLinkHolders['queries'][$key] );
2978 wfProfileOut( $fname.'-construct' );
2981 wfProfileIn( $fname.'-replace' );
2983 $text = preg_replace_callback(
2984 '/(<!--LINK .*?-->)/',
2985 "outputReplaceMatches",
2987 wfProfileOut( $fname.'-replace' );
2990 if ( !empty( $wgInterwikiLinkHolders ) ) {
2991 wfProfileIn( $fname.'-interwiki' );
2992 $outputReplace = $wgInterwikiLinkHolders;
2993 $text = preg_replace_callback(
2994 '/<!--IWLINK (.*?)-->/',
2995 "outputReplaceMatches",
2997 wfProfileOut( $fname.'-interwiki' );
3000 wfProfileOut( $fname );
3005 * Renders an image gallery from a text with one line per image.
3006 * text labels may be given by using |-style alternative text. E.g.
3007 * Image:one.jpg|The number "1"
3008 * Image:tree.jpg|A tree
3009 * given as text will return the HTML of a gallery with two images,
3010 * labeled 'The number "1"' and
3013 function renderImageGallery( $text ) {
3014 global $wgLinkCache;
3015 $ig = new ImageGallery();
3016 $ig->setShowBytes( false );
3017 $ig->setShowFilename( false );
3018 $lines = explode( "\n", $text );
3020 foreach ( $lines as $line ) {
3021 # match lines like these:
3022 # Image:someimage.jpg|This is some image
3023 preg_match( "/^([^|]+)(\\|(.*))?$/", $line, $matches );
3025 if ( count( $matches ) == 0 ) {
3028 $nt = Title
::newFromURL( $matches[1] );
3029 if ( isset( $matches[3] ) ) {
3030 $label = $matches[3];
3034 $ig->add( Image
::newFromTitle( $nt ), $label );
3035 $wgLinkCache->addImageLinkObj( $nt );
3037 return $ig->toHTML();
3043 * @package MediaWiki
3047 var $mText, $mLanguageLinks, $mCategoryLinks, $mContainsOldMagic;
3048 var $mCacheTime; # Used in ParserCache
3050 function ParserOutput( $text = '', $languageLinks = array(), $categoryLinks = array(),
3051 $containsOldMagic = false )
3053 $this->mText
= $text;
3054 $this->mLanguageLinks
= $languageLinks;
3055 $this->mCategoryLinks
= $categoryLinks;
3056 $this->mContainsOldMagic
= $containsOldMagic;
3057 $this->mCacheTime
= '';
3060 function getText() { return $this->mText
; }
3061 function getLanguageLinks() { return $this->mLanguageLinks
; }
3062 function getCategoryLinks() { return $this->mCategoryLinks
; }
3063 function getCacheTime() { return $this->mCacheTime
; }
3064 function containsOldMagic() { return $this->mContainsOldMagic
; }
3065 function setText( $text ) { return wfSetVar( $this->mText
, $text ); }
3066 function setLanguageLinks( $ll ) { return wfSetVar( $this->mLanguageLinks
, $ll ); }
3067 function setCategoryLinks( $cl ) { return wfSetVar( $this->mCategoryLinks
, $cl ); }
3068 function setContainsOldMagic( $com ) { return wfSetVar( $this->mContainsOldMagic
, $com ); }
3069 function setCacheTime( $t ) { return wfSetVar( $this->mCacheTime
, $t ); }
3071 function merge( $other ) {
3072 $this->mLanguageLinks
= array_merge( $this->mLanguageLinks
, $other->mLanguageLinks
);
3073 $this->mCategoryLinks
= array_merge( $this->mCategoryLinks
, $this->mLanguageLinks
);
3074 $this->mContainsOldMagic
= $this->mContainsOldMagic ||
$other->mContainsOldMagic
;
3080 * Set options of the Parser
3082 * @package MediaWiki
3086 # All variables are private
3087 var $mUseTeX; # Use texvc to expand <math> tags
3088 var $mUseDynamicDates; # Use $wgDateFormatter to format dates
3089 var $mInterwikiMagic; # Interlanguage links are removed and returned in an array
3090 var $mAllowExternalImages; # Allow external images inline
3091 var $mSkin; # Reference to the preferred skin
3092 var $mDateFormat; # Date format index
3093 var $mEditSection; # Create "edit section" links
3094 var $mEditSectionOnRightClick; # Generate JavaScript to edit section on right click
3095 var $mNumberHeadings; # Automatically number headings
3096 var $mShowToc; # Show table of contents
3098 function getUseTeX() { return $this->mUseTeX
; }
3099 function getUseDynamicDates() { return $this->mUseDynamicDates
; }
3100 function getInterwikiMagic() { return $this->mInterwikiMagic
; }
3101 function getAllowExternalImages() { return $this->mAllowExternalImages
; }
3102 function getSkin() { return $this->mSkin
; }
3103 function getDateFormat() { return $this->mDateFormat
; }
3104 function getEditSection() { return $this->mEditSection
; }
3105 function getEditSectionOnRightClick() { return $this->mEditSectionOnRightClick
; }
3106 function getNumberHeadings() { return $this->mNumberHeadings
; }
3107 function getShowToc() { return $this->mShowToc
; }
3109 function setUseTeX( $x ) { return wfSetVar( $this->mUseTeX
, $x ); }
3110 function setUseDynamicDates( $x ) { return wfSetVar( $this->mUseDynamicDates
, $x ); }
3111 function setInterwikiMagic( $x ) { return wfSetVar( $this->mInterwikiMagic
, $x ); }
3112 function setAllowExternalImages( $x ) { return wfSetVar( $this->mAllowExternalImages
, $x ); }
3113 function setDateFormat( $x ) { return wfSetVar( $this->mDateFormat
, $x ); }
3114 function setEditSection( $x ) { return wfSetVar( $this->mEditSection
, $x ); }
3115 function setEditSectionOnRightClick( $x ) { return wfSetVar( $this->mEditSectionOnRightClick
, $x ); }
3116 function setNumberHeadings( $x ) { return wfSetVar( $this->mNumberHeadings
, $x ); }
3117 function setShowToc( $x ) { return wfSetVar( $this->mShowToc
, $x ); }
3119 function setSkin( &$x ) { $this->mSkin
=& $x; }
3121 # Get parser options
3122 /* static */ function newFromUser( &$user ) {
3123 $popts = new ParserOptions
;
3124 $popts->initialiseFromUser( $user );
3129 function initialiseFromUser( &$userInput ) {
3130 global $wgUseTeX, $wgUseDynamicDates, $wgInterwikiMagic, $wgAllowExternalImages;
3132 $fname = 'ParserOptions::initialiseFromUser';
3133 wfProfileIn( $fname );
3134 if ( !$userInput ) {
3136 $user->setLoaded( true );
3138 $user =& $userInput;
3141 $this->mUseTeX
= $wgUseTeX;
3142 $this->mUseDynamicDates
= $wgUseDynamicDates;
3143 $this->mInterwikiMagic
= $wgInterwikiMagic;
3144 $this->mAllowExternalImages
= $wgAllowExternalImages;
3145 wfProfileIn( $fname.'-skin' );
3146 $this->mSkin
=& $user->getSkin();
3147 wfProfileOut( $fname.'-skin' );
3148 $this->mDateFormat
= $user->getOption( 'date' );
3149 $this->mEditSection
= $user->getOption( 'editsection' );
3150 $this->mEditSectionOnRightClick
= $user->getOption( 'editsectiononrightclick' );
3151 $this->mNumberHeadings
= $user->getOption( 'numberheadings' );
3152 $this->mShowToc
= $user->getOption( 'showtoc' );
3153 wfProfileOut( $fname );
3160 * Callback function used by Parser::replaceLinkHolders()
3161 * to substitute link placeholders.
3163 function &outputReplaceMatches( $matches ) {
3164 global $outputReplace;
3165 return $outputReplace[$matches[1]];
3169 * Return the total number of articles
3171 function wfNumberOfArticles() {
3172 global $wgNumberOfArticles;
3175 return $wgNumberOfArticles;
3179 * Get various statistics from the database
3182 function wfLoadSiteStats() {
3183 global $wgNumberOfArticles, $wgTotalViews, $wgTotalEdits;
3184 $fname = 'wfLoadSiteStats';
3186 if ( -1 != $wgNumberOfArticles ) return;
3187 $dbr =& wfGetDB( DB_SLAVE
);
3188 $s = $dbr->selectRow( 'site_stats',
3189 array( 'ss_total_views', 'ss_total_edits', 'ss_good_articles' ),
3190 array( 'ss_row_id' => 1 ), $fname
3193 if ( $s === false ) {
3196 $wgTotalViews = $s->ss_total_views
;
3197 $wgTotalEdits = $s->ss_total_edits
;
3198 $wgNumberOfArticles = $s->ss_good_articles
;
3202 function wfEscapeHTMLTagsOnly( $in ) {
3204 array( '"', '>', '<' ),
3205 array( '"', '>', '<' ),