X-Git-Url: https://git.cyclocoop.org/?a=blobdiff_plain;f=includes%2Fspecials%2FSpecialAllpages.php;h=0490d82b6d7d448d71ffd2d3530fafbe9b0dac3c;hb=36e4a83640ee5c63584f8dab6c52689379f72523;hp=fe49cf24459eb7003627f36dedf7e9c7363bc00c;hpb=519309a43c9613b545b7bfa0f99bbdcc94849acb;p=lhc%2Fweb%2Fwiklou.git diff --git a/includes/specials/SpecialAllpages.php b/includes/specials/SpecialAllpages.php index fe49cf2445..0490d82b6d 100644 --- a/includes/specials/SpecialAllpages.php +++ b/includes/specials/SpecialAllpages.php @@ -35,30 +35,6 @@ class SpecialAllpages extends IncludableSpecialPage { */ protected $maxPerPage = 345; - /** - * Maximum number of pages to show on single index subpage. - * - * @var int $maxLineCount - */ - protected $maxLineCount = 100; - - /** - * Maximum number of chars to show for an entry. - * - * @var int $maxPageLength - */ - protected $maxPageLength = 70; - - /** - * Maximum number of pages in a hierarchical ("top level") list. - * - * Traversal of the entire page list by spidering the top levels is thought - * to require O(N^3) DB CPU time where N is the number of pages on the wiki. - * See bug 56840. If this limit is exceeded, the behaviour becomes like a - * simple alphabetic pager. - */ - protected $maxTopLevelPages = 50000; - /** * Determines, which message describes the input field 'nsfrom'. * @@ -180,183 +156,12 @@ class SpecialAllpages extends IncludableSpecialPage { * @param bool $hideredirects Dont show redirects (default false) */ function showToplevel( $namespace = NS_MAIN, $from = '', $to = '', $hideredirects = false ) { - $output = $this->getOutput(); - - # TODO: Either make this *much* faster or cache the title index points - # in the querycache table. - - $dbr = wfGetDB( DB_SLAVE ); - $out = ""; - $where = array( 'page_namespace' => $namespace ); - - if ( $hideredirects ) { - $where['page_is_redirect'] = 0; - } - $from = Title::makeTitleSafe( $namespace, $from ); $to = Title::makeTitleSafe( $namespace, $to ); $from = ( $from && $from->isLocal() ) ? $from->getDBkey() : null; $to = ( $to && $to->isLocal() ) ? $to->getDBkey() : null; - if ( isset( $from ) ) { - $where[] = 'page_title >= ' . $dbr->addQuotes( $from ); - } - - if ( isset( $to ) ) { - $where[] = 'page_title <= ' . $dbr->addQuotes( $to ); - } - - global $wgMemc; - $key = wfMemcKey( 'allpages', 'ns', $namespace, sha1( $from ), sha1( $to ) ); - $lines = $wgMemc->get( $key ); - - $count = $dbr->estimateRowCount( 'page', '*', $where, __METHOD__ ); - - // Don't show a hierarchical list if the number of pages is very large, - // since generating it will cause a lot of scanning - if ( $count > $this->maxTopLevelPages ) { - $this->showChunk( $namespace, $from, $to, $hideredirects ); - - return; - } - - $maxPerSubpage = intval( $count / $this->maxLineCount ); - $maxPerSubpage = max( $maxPerSubpage, $this->maxPerPage ); - - if ( !is_array( $lines ) ) { - $options = array( 'LIMIT' => 1 ); - $options['ORDER BY'] = 'page_title ASC'; - $firstTitle = $dbr->selectField( 'page', 'page_title', $where, __METHOD__, $options ); - $lastTitle = $firstTitle; - # This array is going to hold the page_titles in order. - $lines = array( $firstTitle ); - # If we are going to show n rows, we need n+1 queries to find the relevant titles. - $done = false; - while ( !$done ) { - // Fetch the last title of this chunk and the first of the next - $chunk = ( $lastTitle === false ) - ? array() - : array( 'page_title >= ' . $dbr->addQuotes( $lastTitle ) ); - $res = $dbr->select( 'page', /* FROM */ - 'page_title', /* WHAT */ - array_merge( $where, $chunk ), - __METHOD__, - array( 'LIMIT' => 2, 'OFFSET' => $maxPerSubpage - 1, 'ORDER BY' => 'page_title ASC' ) - ); - - $s = $dbr->fetchObject( $res ); - if ( $s ) { - array_push( $lines, $s->page_title ); - } else { - // Final chunk, but ended prematurely. Go back and find the end. - $endTitle = $dbr->selectField( 'page', 'MAX(page_title)', - array_merge( $where, $chunk ), - __METHOD__ ); - array_push( $lines, $endTitle ); - $done = true; - } - - $s = $res->fetchObject(); - if ( $s ) { - array_push( $lines, $s->page_title ); - $lastTitle = $s->page_title; - } else { - // This was a final chunk and ended exactly at the limit. - // Rare but convenient! - $done = true; - } - $res->free(); - } - $wgMemc->add( $key, $lines, 3600 ); - } - - // If there are only two or less sections, don't even display them. - // Instead, display the first section directly. - if ( count( $lines ) <= 2 ) { - if ( !empty( $lines ) ) { - $this->showChunk( $namespace, $from, $to, $hideredirects ); - } else { - $output->addHTML( $this->namespaceForm( $namespace, $from, $to, $hideredirects ) ); - } - - return; - } - - # At this point, $lines should contain an even number of elements. - $out .= Xml::openElement( 'table', array( 'class' => 'allpageslist' ) ); - while ( count( $lines ) > 0 ) { - $inpoint = array_shift( $lines ); - $outpoint = array_shift( $lines ); - $out .= $this->showline( $inpoint, $outpoint, $namespace, $hideredirects ); - } - $out .= Xml::closeElement( 'table' ); - $nsForm = $this->namespaceForm( $namespace, $from, $to, $hideredirects ); - - # Is there more? - if ( $this->including() ) { - $out2 = ''; - } else { - if ( isset( $from ) || isset( $to ) ) { - $out2 = Xml::openElement( 'table', array( 'class' => 'mw-allpages-table-form' ) ) . - ' - ' . - $nsForm . - ' - ' . - Linker::link( $this->getPageTitle(), $this->msg( 'allpages' )->escaped(), - array(), array(), 'known' ) . - " - " . - Xml::closeElement( 'table' ); - } else { - $out2 = $nsForm; - } - } - $output->addHTML( $out2 . $out ); - } - - /** - * Show a line of "ABC to DEF" ranges of articles - * - * @param string $inpoint Lower limit of pagenames - * @param string $outpoint Upper limit of pagenames - * @param int $namespace (Default NS_MAIN) - * @param bool $hideRedirects Don't show redirects. Default: false - * @return string - */ - function showline( $inpoint, $outpoint, $namespace = NS_MAIN, $hideRedirects = false ) { - // Use content language since page titles are considered to use content language - global $wgContLang; - - $inpointf = str_replace( '_', ' ', $inpoint ); - $outpointf = str_replace( '_', ' ', $outpoint ); - - // Don't let the length runaway - $inpointf = $wgContLang->truncate( $inpointf, $this->maxPageLength ); - $outpointf = $wgContLang->truncate( $outpointf, $this->maxPageLength ); - - $queryParams = array( - 'from' => $inpoint, - 'to' => $outpoint, - ); - - if ( $namespace ) { - $queryParams['namespace'] = $namespace; - } - if ( $hideRedirects ) { - $queryParams['hideredirects'] = 1; - } - - $url = $this->getPageTitle()->getLocalURL( $queryParams ); - $inlink = Html::element( 'a', array( 'href' => $url ), $inpointf ); - $outlink = Html::element( 'a', array( 'href' => $url ), $outpointf ); - - $out = $this->msg( 'alphaindexline' )->rawParams( - "$inlink", - "$outlink" - )->escaped(); - - return '' . $out . ''; + $this->showChunk( $namespace, $from, $to, $hideredirects ); } /** @@ -441,118 +246,117 @@ class SpecialAllpages extends IncludableSpecialPage { } if ( $this->including() ) { - $out2 = ''; + $output->addHTML( $out ); + return; + } + + if ( $from == '' ) { + // First chunk; no previous link. + $prevTitle = null; } else { - if ( $from == '' ) { - // First chunk; no previous link. - $prevTitle = null; - } else { - # Get the last title from previous chunk - $dbr = wfGetDB( DB_SLAVE ); - $res_prev = $dbr->select( - 'page', - 'page_title', - array( 'page_namespace' => $namespace, 'page_title < ' . $dbr->addQuotes( $from ) ), - __METHOD__, - array( 'ORDER BY' => 'page_title DESC', - 'LIMIT' => $this->maxPerPage, 'OFFSET' => ( $this->maxPerPage - 1 ) - ) - ); + # Get the last title from previous chunk + $dbr = wfGetDB( DB_SLAVE ); + $res_prev = $dbr->select( + 'page', + 'page_title', + array( 'page_namespace' => $namespace, 'page_title < ' . $dbr->addQuotes( $from ) ), + __METHOD__, + array( 'ORDER BY' => 'page_title DESC', + 'LIMIT' => $this->maxPerPage, 'OFFSET' => ( $this->maxPerPage - 1 ) + ) + ); - # Get first title of previous complete chunk - if ( $dbr->numrows( $res_prev ) >= $this->maxPerPage ) { - $pt = $dbr->fetchObject( $res_prev ); - $prevTitle = Title::makeTitle( $namespace, $pt->page_title ); + # Get first title of previous complete chunk + if ( $dbr->numrows( $res_prev ) >= $this->maxPerPage ) { + $pt = $dbr->fetchObject( $res_prev ); + $prevTitle = Title::makeTitle( $namespace, $pt->page_title ); + } else { + # The previous chunk is not complete, need to link to the very first title + # available in the database + $options = array( 'LIMIT' => 1 ); + if ( !$dbr->implicitOrderby() ) { + $options['ORDER BY'] = 'page_title'; + } + $reallyFirstPage_title = $dbr->selectField( 'page', 'page_title', + array( 'page_namespace' => $namespace ), __METHOD__, $options ); + # Show the previous link if it s not the current requested chunk + if ( $from != $reallyFirstPage_title ) { + $prevTitle = Title::makeTitle( $namespace, $reallyFirstPage_title ); } else { - # The previous chunk is not complete, need to link to the very first title - # available in the database - $options = array( 'LIMIT' => 1 ); - if ( !$dbr->implicitOrderby() ) { - $options['ORDER BY'] = 'page_title'; - } - $reallyFirstPage_title = $dbr->selectField( 'page', 'page_title', - array( 'page_namespace' => $namespace ), __METHOD__, $options ); - # Show the previous link if it s not the current requested chunk - if ( $from != $reallyFirstPage_title ) { - $prevTitle = Title::makeTitle( $namespace, $reallyFirstPage_title ); - } else { - $prevTitle = null; - } + $prevTitle = null; } } + } - $self = $this->getPageTitle(); - - $nsForm = $this->namespaceForm( $namespace, $from, $to, $hideredirects ); - $out2 = Xml::openElement( 'table', array( 'class' => 'mw-allpages-table-form' ) ) . - ' - ' . - $nsForm . - ' - ' . - Linker::link( $self, $this->msg( 'allpages' )->escaped() ); - - # Do we put a previous link ? - if ( isset( $prevTitle ) && $pt = $prevTitle->getText() ) { - $query = array( 'from' => $prevTitle->getText() ); + $self = $this->getPageTitle(); - if ( $namespace ) { - $query['namespace'] = $namespace; - } + $topLinks = array( + Linker::link( $self, $this->msg( 'allpages' )->escaped() ) + ); + $bottomLinks = array(); - if ( $hideredirects ) { - $query['hideredirects'] = $hideredirects; - } + # Do we put a previous link ? + if ( $prevTitle && $pt = $prevTitle->getText() ) { + $query = array( 'from' => $prevTitle->getText() ); - $prevLink = Linker::linkKnown( - $self, - $this->msg( 'prevpage', $pt )->escaped(), - array(), - $query - ); - $out2 = $this->getLanguage()->pipeList( array( $out2, $prevLink ) ); + if ( $namespace ) { + $query['namespace'] = $namespace; } - if ( $n == $this->maxPerPage && $s = $res->fetchObject() ) { - # $s is the first link of the next chunk - $t = Title::makeTitle( $namespace, $s->page_title ); - $query = array( 'from' => $t->getText() ); + if ( $hideredirects ) { + $query['hideredirects'] = $hideredirects; + } - if ( $namespace ) { - $query['namespace'] = $namespace; - } + $prevLink = Linker::linkKnown( + $self, + $this->msg( 'prevpage', $pt )->escaped(), + array(), + $query + ); + $topLinks[] = $prevLink; + $bottomLinks[] = $prevLink; + } - if ( $hideredirects ) { - $query['hideredirects'] = $hideredirects; - } + if ( $n == $this->maxPerPage && $s = $res->fetchObject() ) { + # $s is the first link of the next chunk + $t = Title::makeTitle( $namespace, $s->page_title ); + $query = array( 'from' => $t->getText() ); - $nextLink = Linker::linkKnown( - $self, - $this->msg( 'nextpage', $t->getText() )->escaped(), - array(), - $query - ); - $out2 = $this->getLanguage()->pipeList( array( $out2, $nextLink ) ); + if ( $namespace ) { + $query['namespace'] = $namespace; } - $out2 .= ""; - } - $output->addHTML( $out2 . $out ); + if ( $hideredirects ) { + $query['hideredirects'] = $hideredirects; + } - $links = array(); - if ( isset( $prevLink ) ) { - $links[] = $prevLink; + $nextLink = Linker::linkKnown( + $self, + $this->msg( 'nextpage', $t->getText() )->escaped(), + array(), + $query + ); + $topLinks[] = $nextLink; + $bottomLinks[] = $nextLink; } - if ( isset( $nextLink ) ) { - $links[] = $nextLink; - } + $nsForm = $this->namespaceForm( $namespace, $from, $to, $hideredirects ); + $out2 = Xml::openElement( 'table', array( 'class' => 'mw-allpages-table-form' ) ) . + ' + ' . + $nsForm . + ' + ' . + $this->getLanguage()->pipeList( $topLinks ) . + ''; + + $output->addHTML( $out2 . $out ); - if ( count( $links ) ) { + if ( count( $bottomLinks ) ) { $output->addHTML( Html::element( 'hr' ) . Html::rawElement( 'div', array( 'class' => 'mw-allpages-nav' ), - $this->getLanguage()->pipeList( $links ) + $this->getLanguage()->pipeList( $bottomLinks ) ) ); }