'deps' => $deps );
}
+ /**
+ * Process [[ ]] wikilinks
+ * @return LinkHolderArray
+ *
+ * @private
+ */
+ function replaceInternalLinks2( &$s ) {
+ global $wgContLang;
+
+ wfProfileIn( __METHOD__ );
+
+ wfProfileIn( __METHOD__.'-setup' );
+ static $tc = FALSE, $titleRegex;//$e1, $e1_img;
+ if( !$tc ) {
+ # the % is needed to support urlencoded titles as well
+ $tc = Title::legalChars() . '#%';
+ # Match a link having the form [[namespace:link|alternate]]trail
+ //$e1 = "/^([{$tc}]+)(?:\\|(.+?))?]](.*)\$/sD";
+ # Match cases where there is no "]]", which might still be images
+ //$e1_img = "/^([{$tc}]+)\\|(.*)\$/sD";
+ # Match a valid plain title
+ $titleRegex = "/^([{$tc}]+)$/sD";
+ }
+
+ $sk = $this->mOptions->getSkin();
+ $holders = new LinkHolderArray( $this );
+
+ if( is_null( $this->mTitle ) ) {
+ wfProfileOut( __METHOD__ );
+ wfProfileOut( __METHOD__.'-setup' );
+ throw new MWException( __METHOD__.": \$this->mTitle is null\n" );
+ }
+ $nottalk = !$this->mTitle->isTalkPage();
+
+ if($wgContLang->hasVariants()) {
+ $selflink = $wgContLang->convertLinkToAllVariants($this->mTitle->getPrefixedText());
+ } else {
+ $selflink = array($this->mTitle->getPrefixedText());
+ }
+ wfProfileOut( __METHOD__.'-setup' );
+
+ $offset = 0;
+ $offsetStack = array();
+ $markerReplacer = new LinkMarkerReplacer( array( &$this, 'replaceInternalLinksCallback' ) );
+ $markerReplacer->holders( $holders );
+ while( true ) {
+ $startBracketOffset = strpos( $s, '[[', $offset );
+ $endBracketOffset = strpos( $s, ']]', $offset );
+ # Finish when there are no more brackets
+ if( $startBracketOffset === false && $endBracketOffset === false ) break;
+ # Determine if the bracket is a starting or ending bracket
+ # When we find both, use the first one
+ elseif( $startBracketOffset !== false && $endBracketOffset !== false )
+ $isStart = $startBracketOffset <= $endBracketOffset;
+ # When we only found one, check which it is
+ else $isStart = $startBracketOffset !== false;
+ $bracketOffset = $isStart ? $startBracketOffset : $endBracketOffset;
+ if( $isStart ) {
+ /** Opening bracket **/
+ # Just push our current offset in the string onto the stack
+ $offsetStack[] = $startBracketOffset;
+ } else {
+ /** Closing bracket **/
+ # Pop the start pos for our current link zone off the stack
+ $startBracketOffset = array_pop($offsetStack);
+ # Just to clean up the code, lets place offsets on the outer ends
+ $endBracketOffset += 2;
+
+ # Only do logic if we actually have a opening bracket for this
+ if( isset($startBracketOffset) ) {
+ # Extract text inside the link
+ @list( $titleText, $paramText ) = explode('|',
+ substr($s, $startBracketOffset+2, $endBracketOffset-$startBracketOffset-4), 2);
+ # Create markers only for valid links
+ if( preg_match( $titleRegex, $titleText ) ) {
+ # Store the text for the marker
+ $marker = $markerReplacer->addMarker($titleText, $paramText);
+ # Replace the current link with the marker
+ $s = substr($s,0,$startBracketOffset).
+ $marker.
+ substr($s, $endBracketOffset);
+ # We have modified $s, because of this we need to set the
+ # offset manually since the end position is different now
+ $offset = $startBracketOffset+strlen($marker);
+ continue;
+ }
+ # ToDo: Some LinkHooks may allow recursive links inside of
+ # the link text, create a regex that also matches our
+ # <!-- LINKMARKER ### --> sequence in titles
+ # ToDO: Some LinkHooks use patterns rather than namespaces
+ # these need to be tested at this point here
+ }
+
+ }
+ # Bump our offset to after our current bracket
+ $offset = $bracketOffset+2;
+ }
+
+
+ # Now expand our tree
+ wfProfileIn( __METHOD__.'-expand' );
+ $s = $markerReplacer->expand( $s );
+ wfProfileOut( __METHOD__.'-expand' );
+
+ wfProfileOut( __METHOD__ );
+ return $holders;
+ }
+
+ function replaceInternalLinksCallback( $markerReplacer, $titleText, $paramText ) {
+ wfProfileIn( __METHOD__ );
+ $wt = isset($paramText) ? "[[$titleText|$paramText]]" : "[[$titleText]]";
+ wfProfileIn( __METHOD__."-misc" );
+ # Don't allow internal links to pages containing
+ # PROTO: where PROTO is a valid URL protocol; these
+ # should be external links.
+ if( preg_match('/^\b(?:' . wfUrlProtocols() . ')/', $titleText) ) {
+ wfProfileOut( __METHOD__ );
+ return $wt;
+ }
+
+ # Make subpage if necessary
+ if( $this->areSubpagesAllowed() ) {
+ $titleText = $this->maybeDoSubpageLink( $titleText, $paramText );
+ }
+
+ # Check for a leading colon and strip it if it is there
+ $leadingColon = $titleText[0] == ':';
+ if( $leadingColon ) $titleText = substr( $titleText, 1 );
+
+ wfProfileOut( __METHOD__."-misc" );
+ # Make title object
+ wfProfileIn( __METHOD__."-title" );
+ $title = Title::newFromText( $this->mStripState->unstripNoWiki($titleText) );
+ if( !$title ) {
+ wfProfileOut( __METHOD__."-title" );
+ wfProfileOut( __METHOD__ );
+ return $wt;
+ }
+ $ns = $title->getNamespace();
+ wfProfileOut( __METHOD__."-title" );
+
+ $callback = array( 'CoreLinkFunctions', 'defaultLinkHook' );
+ $args = array( $markerReplacer, $title, $titleText, &$paramText, &$leadingColon );
+ $return = call_user_func_array( $callback, $args );
+ if( $return === false ) {
+ # False (no link) was returned, output plain wikitext
+ # Build it again as the hook is allowed to modify $paramText
+ return isset($paramText) ? "[[$titleText|$paramText]]" : "[[$titleText]]";
+ } elseif( $return === true ) {
+ # True (treat as plain link) was returned, call the defaultLinkHook
+ $args = array( $markerReplacer, $title, $titleText, &$paramText, &$leadingColon );
+ $return = call_user_func_array( array( &$this, 'defaultLinkHook' ), $args );
+ }
+ # Content was returned, return it
+ return $return;
+ }
+
+}
+
+class LinkMarkerReplacer {
+
+ protected $markers, $nextId, $holders;
+
+ function __construct( $callback ) {
+ $this->nextId = 0;
+ $this->markers = array();
+ $this->callback = $callback;
+ $this->holders = null;
+ }
+
+ # Note: This is a bit of an ugly way to do this. It works for now, but before
+ # this feature becomes usable we should come up with a better arg list.
+ # $parser, $holders, and $linkMarkers appear to be 3 needed ones
+ function holders( $holders = null ) { return wfSetVar( $this->holders, $holders ); }
+
+ function addMarker($titleText, $paramText) {
+ $id = $this->nextId++;
+ $this->markers[$id] = array( $titleText, $paramText );
+ return "<!-- LINKMARKER $id -->";
+ }
+
+ function findMarker( $string ) {
+ return (bool) preg_match('/<!-- LINKMARKER [0-9]+ -->/', $string );
+ }
+
+ function expand( $string ) {
+ return StringUtils::delimiterReplaceCallback( "<!-- LINKMARKER ", " -->", array( &$this, 'callback' ), $string );
+ }
+
+ function callback( $m ) {
+ $id = intval($m[1]);
+ if( !array_key_exists($id, $this->markers) ) return $m[0];
+ $args = $this->markers[$id];
+ array_unshift( $args, $this );
+ return call_user_func_array( $this->callback, $args );
+ }
+
}