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+<?php
+/**
+ * Split off some of the internal bits from Skin.php.
+ * These functions are used for primarily page content:
+ * links, embedded images, table of contents. Links are
+ * also used in the skin.
+ * @package MediaWiki
+ */
+
+/**
+ * For the moment, Skin is a descendent class of Linker.
+ * In the future, it should probably be further split
+ * so that ever other bit of the wiki doesn't have to
+ * go loading up Skin to get at it.
+ *
+ * @package MediaWiki
+ */
+class Linker {
+
+ function Linker() {}
+
+ /**
+ * @deprecated
+ */
+ function postParseLinkColour( $s = NULL ) {
+ return NULL;
+ }
+
+ /** @todo document */
+ function getExternalLinkAttributes( $link, $text, $class='' ) {
+ $link = htmlspecialchars( $link );
+
+ $r = ($class != '') ? " class=\"$class\"" : " class=\"external\"";
+
+ $r .= " title=\"{$link}\"";
+ return $r;
+ }
+
+ function getInterwikiLinkAttributes( $link, $text, $class='' ) {
+ global $wgContLang;
+
+ $same = ($link == $text);
+ $link = urldecode( $link );
+ $link = $wgContLang->checkTitleEncoding( $link );
+ $link = preg_replace( '/[\\x00-\\x1f]/', ' ', $link );
+ $link = htmlspecialchars( $link );
+
+ $r = ($class != '') ? " class=\"$class\"" : " class=\"external\"";
+
+ $r .= " title=\"{$link}\"";
+ return $r;
+ }
+
+ /** @todo document */
+ function getInternalLinkAttributes( $link, $text, $broken = false ) {
+ $link = urldecode( $link );
+ $link = str_replace( '_', ' ', $link );
+ $link = htmlspecialchars( $link );
+
+ if( $broken == 'stub' ) {
+ $r = ' class="stub"';
+ } else if ( $broken == 'yes' ) {
+ $r = ' class="new"';
+ } else {
+ $r = '';
+ }
+
+ $r .= " title=\"{$link}\"";
+ return $r;
+ }
+
+ /**
+ * @param $nt Title object.
+ * @param $text String: FIXME
+ * @param $broken Boolean: FIXME, default 'false'.
+ */
+ function getInternalLinkAttributesObj( &$nt, $text, $broken = false ) {
+ if( $broken == 'stub' ) {
+ $r = ' class="stub"';
+ } else if ( $broken == 'yes' ) {
+ $r = ' class="new"';
+ } else {
+ $r = '';
+ }
+
+ $r .= ' title="' . $nt->getEscapedText() . '"';
+ return $r;
+ }
+
+ /**
+ * This function is a shortcut to makeLinkObj(Title::newFromText($title),...). Do not call
+ * it if you already have a title object handy. See makeLinkObj for further documentation.
+ *
+ * @param $title String: the text of the title
+ * @param $text String: link text
+ * @param $query String: optional query part
+ * @param $trail String: optional trail. Alphabetic characters at the start of this string will
+ * be included in the link text. Other characters will be appended after
+ * the end of the link.
+ */
+ function makeLink( $title, $text = '', $query = '', $trail = '' ) {
+ wfProfileIn( 'Linker::makeLink' );
+ $nt = Title::newFromText( $title );
+ if ($nt) {
+ $result = $this->makeLinkObj( Title::newFromText( $title ), $text, $query, $trail );
+ } else {
+ wfDebug( 'Invalid title passed to Linker::makeLink(): "'.$title."\"\n" );
+ $result = $text == "" ? $title : $text;
+ }
+
+ wfProfileOut( 'Linker::makeLink' );
+ return $result;
+ }
+
+ /**
+ * This function is a shortcut to makeKnownLinkObj(Title::newFromText($title),...). Do not call
+ * it if you already have a title object handy. See makeKnownLinkObj for further documentation.
+ *
+ * @param $title String: the text of the title
+ * @param $text String: link text
+ * @param $query String: optional query part
+ * @param $trail String: optional trail. Alphabetic characters at the start of this string will
+ * be included in the link text. Other characters will be appended after
+ * the end of the link.
+ */
+ function makeKnownLink( $title, $text = '', $query = '', $trail = '', $prefix = '',$aprops = '') {
+ $nt = Title::newFromText( $title );
+ if ($nt) {
+ return $this->makeKnownLinkObj( Title::newFromText( $title ), $text, $query, $trail, $prefix , $aprops );
+ } else {
+ wfDebug( 'Invalid title passed to Linker::makeKnownLink(): "'.$title."\"\n" );
+ return $text == '' ? $title : $text;
+ }
+ }
+
+ /**
+ * This function is a shortcut to makeBrokenLinkObj(Title::newFromText($title),...). Do not call
+ * it if you already have a title object handy. See makeBrokenLinkObj for further documentation.
+ *
+ * @param string $title The text of the title
+ * @param string $text Link text
+ * @param string $query Optional query part
+ * @param string $trail Optional trail. Alphabetic characters at the start of this string will
+ * be included in the link text. Other characters will be appended after
+ * the end of the link.
+ */
+ function makeBrokenLink( $title, $text = '', $query = '', $trail = '' ) {
+ $nt = Title::newFromText( $title );
+ if ($nt) {
+ return $this->makeBrokenLinkObj( Title::newFromText( $title ), $text, $query, $trail );
+ } else {
+ wfDebug( 'Invalid title passed to Linker::makeBrokenLink(): "'.$title."\"\n" );
+ return $text == '' ? $title : $text;
+ }
+ }
+
+ /**
+ * This function is a shortcut to makeStubLinkObj(Title::newFromText($title),...). Do not call
+ * it if you already have a title object handy. See makeStubLinkObj for further documentation.
+ *
+ * @param $title String: the text of the title
+ * @param $text String: link text
+ * @param $query String: optional query part
+ * @param $trail String: optional trail. Alphabetic characters at the start of this string will
+ * be included in the link text. Other characters will be appended after
+ * the end of the link.
+ */
+ function makeStubLink( $title, $text = '', $query = '', $trail = '' ) {
+ $nt = Title::newFromText( $title );
+ if ($nt) {
+ return $this->makeStubLinkObj( Title::newFromText( $title ), $text, $query, $trail );
+ } else {
+ wfDebug( 'Invalid title passed to Linker::makeStubLink(): "'.$title."\"\n" );
+ return $text == '' ? $title : $text;
+ }
+ }
+
+ /**
+ * Make a link for a title which may or may not be in the database. If you need to
+ * call this lots of times, pre-fill the link cache with a LinkBatch, otherwise each
+ * call to this will result in a DB query.
+ *
+ * @param $title String: the text of the title
+ * @param $text String: link text
+ * @param $query String: optional query part
+ * @param $trail String: optional trail. Alphabetic characters at the start of this string will
+ * be included in the link text. Other characters will be appended after
+ * the end of the link.
+ */
+ function makeLinkObj( $nt, $text= '', $query = '', $trail = '', $prefix = '' ) {
+ global $wgUser;
+ $fname = 'Linker::makeLinkObj';
+ wfProfileIn( $fname );
+
+ # Fail gracefully
+ if ( ! is_object($nt) ) {
+ # throw new MWException();
+ wfProfileOut( $fname );
+ return "<!-- ERROR -->{$prefix}{$text}{$trail}";
+ }
+
+ $ns = $nt->getNamespace();
+ $dbkey = $nt->getDBkey();
+ if ( $nt->isExternal() ) {
+ $u = $nt->getFullURL();
+ $link = $nt->getPrefixedURL();
+ if ( '' == $text ) { $text = $nt->getPrefixedText(); }
+ $style = $this->getInterwikiLinkAttributes( $link, $text, 'extiw' );
+
+ $inside = '';
+ if ( '' != $trail ) {
+ if ( preg_match( '/^([a-z]+)(.*)$$/sD', $trail, $m ) ) {
+ $inside = $m[1];
+ $trail = $m[2];
+ }
+ }
+
+ # Check for anchors, normalize the anchor
+
+ $parts = explode( '#', $u, 2 );
+ if ( count( $parts ) == 2 ) {
+ $anchor = urlencode( Sanitizer::decodeCharReferences( str_replace(' ', '_', $parts[1] ) ) );
+ $replacearray = array(
+ '%3A' => ':',
+ '%' => '.'
+ );
+ $u = $parts[0] . '#' .
+ str_replace( array_keys( $replacearray ),
+ array_values( $replacearray ),
+ $anchor );
+ }
+
+ $t = "<a href=\"{$u}\"{$style}>{$text}{$inside}</a>";
+
+ wfProfileOut( $fname );
+ return $t;
+ } elseif ( $nt->isAlwaysKnown() ) {
+ # Image links, special page links and self-links with fragements are always known.
+ $retVal = $this->makeKnownLinkObj( $nt, $text, $query, $trail, $prefix );
+ } else {
+ wfProfileIn( $fname.'-immediate' );
+ # Work out link colour immediately
+ $aid = $nt->getArticleID() ;
+ if ( 0 == $aid ) {
+ $retVal = $this->makeBrokenLinkObj( $nt, $text, $query, $trail, $prefix );
+ } else {
+ $threshold = $wgUser->getOption('stubthreshold') ;
+ if ( $threshold > 0 ) {
+ $dbr =& wfGetDB( DB_SLAVE );
+ $s = $dbr->selectRow(
+ array( 'page' ),
+ array( 'page_len',
+ 'page_namespace',
+ 'page_is_redirect' ),
+ array( 'page_id' => $aid ), $fname ) ;
+ if ( $s !== false ) {
+ $size = $s->page_len;
+ if ( $s->page_is_redirect OR $s->page_namespace != NS_MAIN ) {
+ $size = $threshold*2 ; # Really big
+ }
+ } else {
+ $size = $threshold*2 ; # Really big
+ }
+ } else {
+ $size = 1 ;
+ }
+ if ( $size < $threshold ) {
+ $retVal = $this->makeStubLinkObj( $nt, $text, $query, $trail, $prefix );
+ } else {
+ $retVal = $this->makeKnownLinkObj( $nt, $text, $query, $trail, $prefix );
+ }
+ }
+ wfProfileOut( $fname.'-immediate' );
+ }
+ wfProfileOut( $fname );
+ return $retVal;
+ }
+
+ /**
+ * Make a link for a title which definitely exists. This is faster than makeLinkObj because
+ * it doesn't have to do a database query. It's also valid for interwiki titles and special
+ * pages.
+ *
+ * @param $nt Title object of target page
+ * @param $text String: text to replace the title
+ * @param $query String: link target
+ * @param $trail String: text after link
+ * @param $prefix String: text before link text
+ * @param $aprops String: extra attributes to the a-element
+ * @param $style String: style to apply - if empty, use getInternalLinkAttributesObj instead
+ * @return the a-element
+ */
+ function makeKnownLinkObj( $nt, $text = '', $query = '', $trail = '', $prefix = '' , $aprops = '', $style = '' ) {
+
+ $fname = 'Linker::makeKnownLinkObj';
+ wfProfileIn( $fname );
+
+ if ( !is_object( $nt ) ) {
+ wfProfileOut( $fname );
+ return $text;
+ }
+
+ $u = $nt->escapeLocalURL( $query );
+ if ( $nt->getFragment() != '' ) {
+ if( $nt->getPrefixedDbkey() == '' ) {
+ $u = '';
+ if ( '' == $text ) {
+ $text = htmlspecialchars( $nt->getFragment() );
+ }
+ }
+ $anchor = urlencode( Sanitizer::decodeCharReferences( str_replace( ' ', '_', $nt->getFragment() ) ) );
+ $replacearray = array(
+ '%3A' => ':',
+ '%' => '.'
+ );
+ $u .= '#' . str_replace(array_keys($replacearray),array_values($replacearray),$anchor);
+ }
+ if ( $text == '' ) {
+ $text = htmlspecialchars( $nt->getPrefixedText() );
+ }
+ if ( $style == '' ) {
+ $style = $this->getInternalLinkAttributesObj( $nt, $text );
+ }
+
+ if ( $aprops !== '' ) $aprops = ' ' . $aprops;
+
+ list( $inside, $trail ) = Linker::splitTrail( $trail );
+ $r = "<a href=\"{$u}\"{$style}{$aprops}>{$prefix}{$text}{$inside}</a>{$trail}";
+ wfProfileOut( $fname );
+ return $r;
+ }
+
+ /**
+ * Make a red link to the edit page of a given title.
+ *
+ * @param $title String: The text of the title
+ * @param $text String: Link text
+ * @param $query String: Optional query part
+ * @param $trail String: Optional trail. Alphabetic characters at the start of this string will
+ * be included in the link text. Other characters will be appended after
+ * the end of the link.
+ */
+ function makeBrokenLinkObj( $nt, $text = '', $query = '', $trail = '', $prefix = '' ) {
+ # Fail gracefully
+ if ( ! isset($nt) ) {
+ # throw new MWException();
+ return "<!-- ERROR -->{$prefix}{$text}{$trail}";
+ }
+
+ $fname = 'Linker::makeBrokenLinkObj';
+ wfProfileIn( $fname );
+
+ if ( '' == $query ) {
+ $q = 'action=edit';
+ } else {
+ $q = 'action=edit&'.$query;
+ }
+ $u = $nt->escapeLocalURL( $q );
+
+ if ( '' == $text ) {
+ $text = htmlspecialchars( $nt->getPrefixedText() );
+ }
+ $style = $this->getInternalLinkAttributesObj( $nt, $text, "yes" );
+
+ list( $inside, $trail ) = Linker::splitTrail( $trail );
+ $s = "<a href=\"{$u}\"{$style}>{$prefix}{$text}{$inside}</a>{$trail}";
+
+ wfProfileOut( $fname );
+ return $s;
+ }
+
+ /**
+ * Make a brown link to a short article.
+ *
+ * @param $title String: the text of the title
+ * @param $text String: link text
+ * @param $query String: optional query part
+ * @param $trail String: optional trail. Alphabetic characters at the start of this string will
+ * be included in the link text. Other characters will be appended after
+ * the end of the link.
+ */
+ function makeStubLinkObj( $nt, $text = '', $query = '', $trail = '', $prefix = '' ) {
+ $link = $nt->getPrefixedURL();
+
+ $u = $nt->escapeLocalURL( $query );
+
+ if ( '' == $text ) {
+ $text = htmlspecialchars( $nt->getPrefixedText() );
+ }
+ $style = $this->getInternalLinkAttributesObj( $nt, $text, 'stub' );
+
+ list( $inside, $trail ) = Linker::splitTrail( $trail );
+ $s = "<a href=\"{$u}\"{$style}>{$prefix}{$text}{$inside}</a>{$trail}";
+ return $s;
+ }
+
+ /**
+ * Generate either a normal exists-style link or a stub link, depending
+ * on the given page size.
+ *
+ * @param $size Integer
+ * @param $nt Title object.
+ * @param $text String
+ * @param $query String
+ * @param $trail String
+ * @param $prefix String
+ * @return string HTML of link
+ */
+ function makeSizeLinkObj( $size, $nt, $text = '', $query = '', $trail = '', $prefix = '' ) {
+ global $wgUser;
+ $threshold = intval( $wgUser->getOption( 'stubthreshold' ) );
+ if( $size < $threshold ) {
+ return $this->makeStubLinkObj( $nt, $text, $query, $trail, $prefix );
+ } else {
+ return $this->makeKnownLinkObj( $nt, $text, $query, $trail, $prefix );
+ }
+ }
+
+ /**
+ * Make appropriate markup for a link to the current article. This is currently rendered
+ * as the bold link text. The calling sequence is the same as the other make*LinkObj functions,
+ * despite $query not being used.
+ */
+ function makeSelfLinkObj( $nt, $text = '', $query = '', $trail = '', $prefix = '' ) {
+ if ( '' == $text ) {
+ $text = htmlspecialchars( $nt->getPrefixedText() );
+ }
+ list( $inside, $trail ) = Linker::splitTrail( $trail );
+ return "<strong class=\"selflink\">{$prefix}{$text}{$inside}</strong>{$trail}";
+ }
+
+ /** @todo document */
+ function fnamePart( $url ) {
+ $basename = strrchr( $url, '/' );
+ if ( false === $basename ) {
+ $basename = $url;
+ } else {
+ $basename = substr( $basename, 1 );
+ }
+ return htmlspecialchars( $basename );
+ }
+
+ /** Obsolete alias */
+ function makeImage( $url, $alt = '' ) {
+ return $this->makeExternalImage( $url, $alt );
+ }
+
+ /** @todo document */
+ function makeExternalImage( $url, $alt = '' ) {
+ if ( '' == $alt ) {
+ $alt = $this->fnamePart( $url );
+ }
+ $s = '<img src="'.$url.'" alt="'.$alt.'" />';
+ return $s;
+ }
+
+ /** @todo document */
+ function makeImageLinkObj( $nt, $label, $alt, $align = '', $width = false, $height = false, $framed = false,
+ $thumb = false, $manual_thumb = '' )
+ {
+ global $wgContLang, $wgUser, $wgThumbLimits, $wgGenerateThumbnailOnParse;
+
+ $img = new Image( $nt );
+ if ( !$img->allowInlineDisplay() && $img->exists() ) {
+ return $this->makeKnownLinkObj( $nt );
+ }
+
+ $url = $img->getViewURL();
+ $error = $prefix = $postfix = '';
+
+ wfDebug( "makeImageLinkObj: '$width'x'$height'\n" );
+
+ if ( 'center' == $align )
+ {
+ $prefix = '<div class="center">';
+ $postfix = '</div>';
+ $align = 'none';
+ }
+
+ if ( $thumb || $framed ) {
+
+ # Create a thumbnail. Alignment depends on language
+ # writing direction, # right aligned for left-to-right-
+ # languages ("Western languages"), left-aligned
+ # for right-to-left-languages ("Semitic languages")
+ #
+ # If thumbnail width has not been provided, it is set
+ # to the default user option as specified in Language*.php
+ if ( $align == '' ) {
+ $align = $wgContLang->isRTL() ? 'left' : 'right';
+ }
+
+
+ if ( $width === false ) {
+ $wopt = $wgUser->getOption( 'thumbsize' );
+
+ if( !isset( $wgThumbLimits[$wopt] ) ) {
+ $wopt = User::getDefaultOption( 'thumbsize' );
+ }
+
+ $width = min( $img->getWidth(), $wgThumbLimits[$wopt] );
+ }
+
+ return $prefix.$this->makeThumbLinkObj( $img, $label, $alt, $align, $width, $height, $framed, $manual_thumb ).$postfix;
+ }
+
+ if ( $width && $img->exists() ) {
+
+ # Create a resized image, without the additional thumbnail
+ # features
+
+ if ( $height == false )
+ $height = -1;
+ if ( $manual_thumb == '') {
+ $thumb = $img->getThumbnail( $width, $height, $wgGenerateThumbnailOnParse );
+ if ( $thumb ) {
+ // In most cases, $width = $thumb->width or $height = $thumb->height.
+ // If not, we're scaling the image larger than it can be scaled,
+ // so we send to the browser a smaller thumbnail, and let the client do the scaling.
+
+ if ($height != -1 && $width > $thumb->width * $height / $thumb->height) {
+ // $height is the limiting factor, not $width
+ // set $width to the largest it can be, such that the resulting
+ // scaled height is at most $height
+ $width = floor($thumb->width * $height / $thumb->height);
+ }
+ $height = round($thumb->height * $width / $thumb->width);
+
+ wfDebug( "makeImageLinkObj: client-size set to '$width x $height'\n" );
+ $url = $thumb->getUrl();
+ } else {
+ $error = htmlspecialchars( $img->getLastError() );
+ }
+ }
+ } else {
+ $width = $img->width;
+ $height = $img->height;
+ }
+
+ wfDebug( "makeImageLinkObj2: '$width'x'$height'\n" );
+ $u = $nt->escapeLocalURL();
+ if ( $error ) {
+ $s = $error;
+ } elseif ( $url == '' ) {
+ $s = $this->makeBrokenImageLinkObj( $img->getTitle() );
+ //$s .= "<br />{$alt}<br />{$url}<br />\n";
+ } else {
+ $s = '<a href="'.$u.'" class="image" title="'.$alt.'">' .
+ '<img src="'.$url.'" alt="'.$alt.'" ' .
+ ( $width
+ ? ( 'width="'.$width.'" height="'.$height.'" ' )
+ : '' ) .
+ 'longdesc="'.$u.'" /></a>';
+ }
+ if ( '' != $align ) {
+ $s = "<div class=\"float{$align}\"><span>{$s}</span></div>";
+ }
+ return str_replace("\n", ' ',$prefix.$s.$postfix);
+ }
+
+ /**
+ * Make HTML for a thumbnail including image, border and caption
+ * $img is an Image object
+ */
+ function makeThumbLinkObj( $img, $label = '', $alt, $align = 'right', $boxwidth = 180, $boxheight=false, $framed=false , $manual_thumb = "" ) {
+ global $wgStylePath, $wgContLang, $wgGenerateThumbnailOnParse;
+ $url = $img->getViewURL();
+ $thumbUrl = '';
+ $error = '';
+
+ $width = $height = 0;
+ if ( $img->exists() ) {
+ $width = $img->getWidth();
+ $height = $img->getHeight();
+ }
+ if ( 0 == $width || 0 == $height ) {
+ $width = $height = 180;
+ }
+ if ( $boxwidth == 0 ) {
+ $boxwidth = 180;
+ }
+ if ( $framed ) {
+ // Use image dimensions, don't scale
+ $boxwidth = $width;
+ $boxheight = $height;
+ $thumbUrl = $url;
+ } else {
+ if ( $boxheight === false )
+ $boxheight = -1;
+ if ( '' == $manual_thumb ) {
+ $thumb = $img->getThumbnail( $boxwidth, $boxheight, $wgGenerateThumbnailOnParse );
+ if ( $thumb ) {
+ $thumbUrl = $thumb->getUrl();
+ $boxwidth = $thumb->width;
+ $boxheight = $thumb->height;
+ } else {
+ $error = $img->getLastError();
+ }
+ }
+ }
+ $oboxwidth = $boxwidth + 2;
+
+ if ( $manual_thumb != '' ) # Use manually specified thumbnail
+ {
+ $manual_title = Title::makeTitleSafe( NS_IMAGE, $manual_thumb ); #new Title ( $manual_thumb ) ;
+ if( $manual_title ) {
+ $manual_img = new Image( $manual_title );
+ $thumbUrl = $manual_img->getViewURL();
+ if ( $manual_img->exists() )
+ {
+ $width = $manual_img->getWidth();
+ $height = $manual_img->getHeight();
+ $boxwidth = $width ;
+ $boxheight = $height ;
+ $oboxwidth = $boxwidth + 2 ;
+ }
+ }
+ }
+
+ $u = $img->getEscapeLocalURL();
+
+ $more = htmlspecialchars( wfMsg( 'thumbnail-more' ) );
+ $magnifyalign = $wgContLang->isRTL() ? 'left' : 'right';
+ $textalign = $wgContLang->isRTL() ? ' style="text-align:right"' : '';
+
+ $s = "<div class=\"thumb t{$align}\"><div style=\"width:{$oboxwidth}px;\">";
+ if( $thumbUrl == '' ) {
+ // Couldn't generate thumbnail? Scale the image client-side.
+ $thumbUrl = $url;
+ }
+ if ( $error ) {
+ $s .= htmlspecialchars( $error );
+ $zoomicon = '';
+ } elseif( !$img->exists() ) {
+ $s .= $this->makeBrokenImageLinkObj( $img->getTitle() );
+ $zoomicon = '';
+ } else {
+ $s .= '<a href="'.$u.'" class="internal" title="'.$alt.'">'.
+ '<img src="'.$thumbUrl.'" alt="'.$alt.'" ' .
+ 'width="'.$boxwidth.'" height="'.$boxheight.'" ' .
+ 'longdesc="'.$u.'" /></a>';
+ if ( $framed ) {
+ $zoomicon="";
+ } else {
+ $zoomicon = '<div class="magnify" style="float:'.$magnifyalign.'">'.
+ '<a href="'.$u.'" class="internal" title="'.$more.'">'.
+ '<img src="'.$wgStylePath.'/common/images/magnify-clip.png" ' .
+ 'width="15" height="11" alt="'.$more.'" /></a></div>';
+ }
+ }
+ $s .= ' <div class="thumbcaption"'.$textalign.'>'.$zoomicon.$label."</div></div></div>";
+ return str_replace("\n", ' ', $s);
+ }
+
+ /**
+ * Pass a title object, not a title string
+ */
+ function makeBrokenImageLinkObj( $nt, $text = '', $query = '', $trail = '', $prefix = '' ) {
+ # Fail gracefully
+ if ( ! isset($nt) ) {
+ # throw new MWException();
+ return "<!-- ERROR -->{$prefix}{$text}{$trail}";
+ }
+
+ $fname = 'Linker::makeBrokenImageLinkObj';
+ wfProfileIn( $fname );
+
+ $q = 'wpDestFile=' . urlencode( $nt->getDBkey() );
+ if ( '' != $query ) {
+ $q .= "&$query";
+ }
+ $uploadTitle = Title::makeTitle( NS_SPECIAL, 'Upload' );
+ $url = $uploadTitle->escapeLocalURL( $q );
+
+ if ( '' == $text ) {
+ $text = htmlspecialchars( $nt->getPrefixedText() );
+ }
+ $style = $this->getInternalLinkAttributesObj( $nt, $text, "yes" );
+ list( $inside, $trail ) = Linker::splitTrail( $trail );
+ $s = "<a href=\"{$url}\"{$style}>{$prefix}{$text}{$inside}</a>{$trail}";
+
+ wfProfileOut( $fname );
+ return $s;
+ }
+
+ /** @todo document */
+ function makeMediaLink( $name, /* wtf?! */ $url, $alt = '' ) {
+ $nt = Title::makeTitleSafe( NS_IMAGE, $name );
+ return $this->makeMediaLinkObj( $nt, $alt );
+ }
+
+ /**
+ * Create a direct link to a given uploaded file.
+ *
+ * @param $title Title object.
+ * @param $text String: pre-sanitized HTML
+ * @param $nourl Boolean: Mask absolute URLs, so the parser doesn't
+ * linkify them (it is currently not context-aware)
+ * @return string HTML
+ *
+ * @public
+ * @todo Handle invalid or missing images better.
+ */
+ function makeMediaLinkObj( $title, $text = '' ) {
+ if( is_null( $title ) ) {
+ ### HOTFIX. Instead of breaking, return empty string.
+ return $text;
+ } else {
+ $name = $title->getDBKey();
+ $img = new Image( $title );
+ if( $img->exists() ) {
+ $url = $img->getURL();
+ $class = 'internal';
+ } else {
+ $upload = Title::makeTitle( NS_SPECIAL, 'Upload' );
+ $url = $upload->getLocalUrl( 'wpDestFile=' . urlencode( $img->getName() ) );
+ $class = 'new';
+ }
+ $alt = htmlspecialchars( $title->getText() );
+ if( $text == '' ) {
+ $text = $alt;
+ }
+ $u = htmlspecialchars( $url );
+ return "<a href=\"{$u}\" class=\"$class\" title=\"{$alt}\">{$text}</a>";
+ }
+ }
+
+ /** @todo document */
+ function specialLink( $name, $key = '' ) {
+ global $wgContLang;
+
+ if ( '' == $key ) { $key = strtolower( $name ); }
+ $pn = $wgContLang->ucfirst( $name );
+ return $this->makeKnownLink( $wgContLang->specialPage( $pn ),
+ wfMsg( $key ) );
+ }
+
+ /** @todo document */
+ function makeExternalLink( $url, $text, $escape = true, $linktype = '', $ns = null ) {
+ $style = $this->getExternalLinkAttributes( $url, $text, 'external ' . $linktype );
+ global $wgNoFollowLinks, $wgNoFollowNsExceptions;
+ if( $wgNoFollowLinks && !(isset($ns) && in_array($ns, $wgNoFollowNsExceptions)) ) {
+ $style .= ' rel="nofollow"';
+ }
+ $url = htmlspecialchars( $url );
+ if( $escape ) {
+ $text = htmlspecialchars( $text );
+ }
+ return '<a href="'.$url.'"'.$style.'>'.$text.'</a>';
+ }
+
+ /**
+ * Make user link (or user contributions for unregistered users)
+ * @param $userId Integer: user id in database.
+ * @param $userText String: user name in database
+ * @return string HTML fragment
+ * @private
+ */
+ function userLink( $userId, $userText ) {
+ $encName = htmlspecialchars( $userText );
+ if( $userId == 0 ) {
+ $contribsPage = Title::makeTitle( NS_SPECIAL, 'Contributions' );
+ return $this->makeKnownLinkObj( $contribsPage,
+ $encName, 'target=' . urlencode( $userText ) );
+ } else {
+ $userPage = Title::makeTitle( NS_USER, $userText );
+ return $this->makeLinkObj( $userPage, $encName );
+ }
+ }
+
+ /**
+ * @param $userId Integer: user id in database.
+ * @param $userText String: user name in database.
+ * @return string HTML fragment with talk and/or block links
+ * @private
+ */
+ function userToolLinks( $userId, $userText ) {
+ global $wgUser, $wgDisableAnonTalk, $wgSysopUserBans;
+ $talkable = !( $wgDisableAnonTalk && 0 == $userId );
+ $blockable = ( $wgSysopUserBans || 0 == $userId );
+
+ $items = array();
+ if( $talkable ) {
+ $items[] = $this->userTalkLink( $userId, $userText );
+ }
+ if( $userId ) {
+ $contribsPage = Title::makeTitle( NS_SPECIAL, 'Contributions' );
+ $items[] = $this->makeKnownLinkObj( $contribsPage,
+ wfMsgHtml( 'contribslink' ), 'target=' . urlencode( $userText ) );
+ }
+ if( $blockable && $wgUser->isAllowed( 'block' ) ) {
+ $items[] = $this->blockLink( $userId, $userText );
+ }
+
+ if( $items ) {
+ return ' (' . implode( ' | ', $items ) . ')';
+ } else {
+ return '';
+ }
+ }
+
+ /**
+ * @param $userId Integer: user id in database.
+ * @param $userText String: user name in database.
+ * @return string HTML fragment with user talk link
+ * @private
+ */
+ function userTalkLink( $userId, $userText ) {
+ global $wgLang;
+ $talkname = $wgLang->getNsText( NS_TALK ); # use the shorter name
+
+ $userTalkPage = Title::makeTitle( NS_USER_TALK, $userText );
+ $userTalkLink = $this->makeLinkObj( $userTalkPage, $talkname );
+ return $userTalkLink;
+ }
+
+ /**
+ * @param $userId Integer: userid
+ * @param $userText String: user name in database.
+ * @return string HTML fragment with block link
+ * @private
+ */
+ function blockLink( $userId, $userText ) {
+ $blockPage = Title::makeTitle( NS_SPECIAL, 'Blockip' );
+ $blockLink = $this->makeKnownLinkObj( $blockPage,
+ wfMsgHtml( 'blocklink' ), 'ip=' . urlencode( $userText ) );
+ return $blockLink;
+ }
+
+ /**
+ * Generate a user link if the current user is allowed to view it
+ * @param $rev Revision object.
+ * @return string HTML
+ */
+ function revUserLink( $rev ) {
+ if( $rev->userCan( Revision::DELETED_USER ) ) {
+ $link = $this->userLink( $rev->getRawUser(), $rev->getRawUserText() );
+ } else {
+ $link = wfMsgHtml( 'rev-deleted-user' );
+ }
+ if( $rev->isDeleted( Revision::DELETED_USER ) ) {
+ return '<span class="history-deleted">' . $link . '</span>';
+ }
+ return $link;
+ }
+
+ /**
+ * Generate a user tool link cluster if the current user is allowed to view it
+ * @param $rev Revision object.
+ * @return string HTML
+ */
+ function revUserTools( $rev ) {
+ if( $rev->userCan( Revision::DELETED_USER ) ) {
+ $link = $this->userLink( $rev->getRawUser(), $rev->getRawUserText() ) .
+ ' ' .
+ $this->userToolLinks( $rev->getRawUser(), $rev->getRawUserText() );
+ } else {
+ $link = wfMsgHtml( 'rev-deleted-user' );
+ }
+ if( $rev->isDeleted( Revision::DELETED_USER ) ) {
+ return '<span class="history-deleted">' . $link . '</span>';
+ }
+ return $link;
+ }
+
+ /**
+ * This function is called by all recent changes variants, by the page history,
+ * and by the user contributions list. It is responsible for formatting edit
+ * comments. It escapes any HTML in the comment, but adds some CSS to format
+ * auto-generated comments (from section editing) and formats [[wikilinks]].
+ *
+ * The $title parameter must be a title OBJECT. It is used to generate a
+ * direct link to the section in the autocomment.
+ * @author Erik Moeller <moeller@scireview.de>
+ *
+ * Note: there's not always a title to pass to this function.
+ * Since you can't set a default parameter for a reference, I've turned it
+ * temporarily to a value pass. Should be adjusted further. --brion
+ */
+ function formatComment($comment, $title = NULL) {
+ $fname = 'Linker::formatComment';
+ wfProfileIn( $fname );
+
+ global $wgContLang;
+ $comment = str_replace( "\n", " ", $comment );
+ $comment = htmlspecialchars( $comment );
+
+ # The pattern for autogen comments is / * foo * /, which makes for
+ # some nasty regex.
+ # We look for all comments, match any text before and after the comment,
+ # add a separator where needed and format the comment itself with CSS
+ while (preg_match('/(.*)\/\*\s*(.*?)\s*\*\/(.*)/', $comment,$match)) {
+ $pre=$match[1];
+ $auto=$match[2];
+ $post=$match[3];
+ $link='';
+ if( $title ) {
+ $section = $auto;
+
+ # Generate a valid anchor name from the section title.
+ # Hackish, but should generally work - we strip wiki
+ # syntax, including the magic [[: that is used to
+ # "link rather than show" in case of images and
+ # interlanguage links.
+ $section = str_replace( '[[:', '', $section );
+ $section = str_replace( '[[', '', $section );
+ $section = str_replace( ']]', '', $section );
+ $sectionTitle = wfClone( $title );
+ $sectionTitle->mFragment = $section;
+ $link = $this->makeKnownLinkObj( $sectionTitle, wfMsg( 'sectionlink' ) );
+ }
+ $sep='-';
+ $auto=$link.$auto;
+ if($pre) { $auto = $sep.' '.$auto; }
+ if($post) { $auto .= ' '.$sep; }
+ $auto='<span class="autocomment">'.$auto.'</span>';
+ $comment=$pre.$auto.$post;
+ }
+
+ # format regular and media links - all other wiki formatting
+ # is ignored
+ $medians = $wgContLang->getNsText( NS_MEDIA ) . ':';
+ while(preg_match('/\[\[(.*?)(\|(.*?))*\]\](.*)$/',$comment,$match)) {
+ # Handle link renaming [[foo|text]] will show link as "text"
+ if( "" != $match[3] ) {
+ $text = $match[3];
+ } else {
+ $text = $match[1];
+ }
+ if( preg_match( '/^' . $medians . '(.*)$/i', $match[1], $submatch ) ) {
+ # Media link; trail not supported.
+ $linkRegexp = '/\[\[(.*?)\]\]/';
+ $thelink = $this->makeMediaLink( $submatch[1], "", $text );
+ } else {
+ # Other kind of link
+ if( preg_match( $wgContLang->linkTrail(), $match[4], $submatch ) ) {
+ $trail = $submatch[1];
+ } else {
+ $trail = "";
+ }
+ $linkRegexp = '/\[\[(.*?)\]\]' . preg_quote( $trail, '/' ) . '/';
+ if ($match[1][0] == ':')
+ $match[1] = substr($match[1], 1);
+ $thelink = $this->makeLink( $match[1], $text, "", $trail );
+ }
+ $comment = preg_replace( $linkRegexp, wfRegexReplacement( $thelink ), $comment, 1 );
+ }
+ wfProfileOut( $fname );
+ return $comment;
+ }
+
+ /**
+ * Wrap a comment in standard punctuation and formatting if
+ * it's non-empty, otherwise return empty string.
+ *
+ * @param $comment String: the comment.
+ * @param $title Title object.
+ *
+ * @return string
+ */
+ function commentBlock( $comment, $title = NULL ) {
+ // '*' used to be the comment inserted by the software way back
+ // in antiquity in case none was provided, here for backwards
+ // compatability, acc. to brion -ævar
+ if( $comment == '' || $comment == '*' ) {
+ return '';
+ } else {
+ $formatted = $this->formatComment( $comment, $title );
+ return " <span class=\"comment\">($formatted)</span>";
+ }
+ }
+
+ /**
+ * Wrap and format the given revision's comment block, if the current
+ * user is allowed to view it.
+ * @param $rev Revision object.
+ * @return string HTML
+ */
+ function revComment( $rev ) {
+ if( $rev->userCan( Revision::DELETED_COMMENT ) ) {
+ $block = $this->commentBlock( $rev->getRawComment(), $rev->getTitle() );
+ } else {
+ $block = " <span class=\"comment\">" .
+ wfMsgHtml( 'rev-deleted-comment' ) . "</span>";
+ }
+ if( $rev->isDeleted( Revision::DELETED_COMMENT ) ) {
+ return " <span class=\"history-deleted\">$block</span>";
+ }
+ return $block;
+ }
+
+ /** @todo document */
+ function tocIndent() {
+ return "\n<ul>";
+ }
+
+ /** @todo document */
+ function tocUnindent($level) {
+ return "</li>\n" . str_repeat( "</ul>\n</li>\n", $level>0 ? $level : 0 );
+ }
+
+ /**
+ * parameter level defines if we are on an indentation level
+ */
+ function tocLine( $anchor, $tocline, $tocnumber, $level ) {
+ return "\n<li class=\"toclevel-$level\"><a href=\"#" .
+ $anchor . '"><span class="tocnumber">' .
+ $tocnumber . '</span> <span class="toctext">' .
+ $tocline . '</span></a>';
+ }
+
+ /** @todo document */
+ function tocLineEnd() {
+ return "</li>\n";
+ }
+
+ /** @todo document */
+ function tocList($toc) {
+ global $wgJsMimeType;
+ $title = wfMsgForContent('toc') ;
+ return
+ '<table id="toc" class="toc" summary="' . $title .'"><tr><td>'
+ . '<div id="toctitle"><h2>' . $title . "</h2></div>\n"
+ . $toc
+ # no trailing newline, script should not be wrapped in a
+ # paragraph
+ . "</ul>\n</td></tr></table>"
+ . '<script type="' . $wgJsMimeType . '">'
+ . ' if (window.showTocToggle) {'
+ . ' var tocShowText = "' . wfEscapeJsString( wfMsgForContent('showtoc') ) . '";'
+ . ' var tocHideText = "' . wfEscapeJsString( wfMsgForContent('hidetoc') ) . '";'
+ . ' showTocToggle();'
+ . ' } '
+ . "</script>\n";
+ }
+
+ /** @todo document */
+ function editSectionLinkForOther( $title, $section ) {
+ global $wgContLang;
+
+ $title = Title::newFromText( $title );
+ $editurl = '&section='.$section;
+ $url = $this->makeKnownLinkObj( $title, wfMsg('editsection'), 'action=edit'.$editurl );
+
+ if( $wgContLang->isRTL() ) {
+ $farside = 'left';
+ $nearside = 'right';
+ } else {
+ $farside = 'right';
+ $nearside = 'left';
+ }
+ return "<div class=\"editsection\" style=\"float:$farside;margin-$nearside:5px;\">[".$url."]</div>";
+
+ }
+
+ /**
+ * @param $title Title object.
+ * @param $section Integer: section number.
+ * @param $hint Link String: title, or default if omitted or empty
+ */
+ function editSectionLink( $nt, $section, $hint='' ) {
+ global $wgContLang;
+
+ $editurl = '&section='.$section;
+ $hint = ( $hint=='' ) ? '' : ' title="' . wfMsgHtml( 'editsectionhint', htmlspecialchars( $hint ) ) . '"';
+ $url = $this->makeKnownLinkObj( $nt, wfMsg('editsection'), 'action=edit'.$editurl, '', '', '', $hint );
+
+ if( $wgContLang->isRTL() ) {
+ $farside = 'left';
+ $nearside = 'right';
+ } else {
+ $farside = 'right';
+ $nearside = 'left';
+ }
+ return "<div class=\"editsection\" style=\"float:$farside;margin-$nearside:5px;\">[".$url."]</div>";
+ }
+
+ /**
+ * Split a link trail, return the "inside" portion and the remainder of the trail
+ * as a two-element array
+ *
+ * @static
+ */
+ function splitTrail( $trail ) {
+ static $regex = false;
+ if ( $regex === false ) {
+ global $wgContLang;
+ $regex = $wgContLang->linkTrail();
+ }
+ $inside = '';
+ if ( '' != $trail ) {
+ if ( preg_match( $regex, $trail, $m ) ) {
+ $inside = $m[1];
+ $trail = $m[2];
+ }
+ }
+ return array( $inside, $trail );
+ }
+
+}
+?>