+++ /dev/null
-<?php
-/**
- * Search index updater
- *
- * See deferred.txt
- *
- * @file
- * @ingroup Search
- */
-
-/**
- * Database independant search index updater
- *
- * @ingroup Search
- */
-class SearchUpdate {
-
- /* private */ var $mId = 0, $mNamespace, $mTitle, $mText;
- /* private */ var $mTitleWords;
-
- function __construct( $id, $title, $text = false ) {
- $nt = Title::newFromText( $title );
- if( $nt ) {
- $this->mId = $id;
- $this->mText = $text;
-
- $this->mNamespace = $nt->getNamespace();
- $this->mTitle = $nt->getText(); # Discard namespace
-
- $this->mTitleWords = $this->mTextWords = array();
- } else {
- wfDebug( "SearchUpdate object created with invalid title '$title'\n" );
- }
- }
-
- function doUpdate() {
- global $wgContLang, $wgDisableSearchUpdate;
-
- if( $wgDisableSearchUpdate || !$this->mId ) {
- return false;
- }
-
- wfProfileIn( __METHOD__ );
-
- $search = SearchEngine::create();
- $lc = SearchEngine::legalSearchChars() . '&#;';
-
- if( $this->mText === false ) {
- $search->updateTitle($this->mId,
- $search->normalizeText( Title::indexTitle( $this->mNamespace, $this->mTitle ) ) );
- wfProfileOut( __METHOD__ );
- return;
- }
-
- # Language-specific strip/conversion
- $text = $wgContLang->normalizeForSearch( $this->mText );
-
- wfProfileIn( __METHOD__ . '-regexps' );
- $text = preg_replace( "/<\\/?\\s*[A-Za-z][^>]*?>/",
- ' ', $wgContLang->lc( " " . $text . " " ) ); # Strip HTML markup
- $text = preg_replace( "/(^|\\n)==\\s*([^\\n]+)\\s*==(\\s)/sD",
- "\\1\\2 \\2 \\2\\3", $text ); # Emphasize headings
-
- # Strip external URLs
- $uc = "A-Za-z0-9_\\/:.,~%\\-+&;#?!=()@\\xA0-\\xFF";
- $protos = "http|https|ftp|mailto|news|gopher";
- $pat = "/(^|[^\\[])({$protos}):[{$uc}]+([^{$uc}]|$)/";
- $text = preg_replace( $pat, "\\1 \\3", $text );
-
- $p1 = "/([^\\[])\\[({$protos}):[{$uc}]+]/";
- $p2 = "/([^\\[])\\[({$protos}):[{$uc}]+\\s+([^\\]]+)]/";
- $text = preg_replace( $p1, "\\1 ", $text );
- $text = preg_replace( $p2, "\\1 \\3 ", $text );
-
- # Internal image links
- $pat2 = "/\\[\\[image:([{$uc}]+)\\.(gif|png|jpg|jpeg)([^{$uc}])/i";
- $text = preg_replace( $pat2, " \\1 \\3", $text );
-
- $text = preg_replace( "/([^{$lc}])([{$lc}]+)]]([a-z]+)/",
- "\\1\\2 \\2\\3", $text ); # Handle [[game]]s
-
- # Strip all remaining non-search characters
- $text = preg_replace( "/[^{$lc}]+/", " ", $text );
-
- # Handle 's, s'
- #
- # $text = preg_replace( "/([{$lc}]+)'s /", "\\1 \\1's ", $text );
- # $text = preg_replace( "/([{$lc}]+)s' /", "\\1s ", $text );
- #
- # These tail-anchored regexps are insanely slow. The worst case comes
- # when Japanese or Chinese text (ie, no word spacing) is written on
- # a wiki configured for Western UTF-8 mode. The Unicode characters are
- # expanded to hex codes and the "words" are very long paragraph-length
- # monstrosities. On a large page the above regexps may take over 20
- # seconds *each* on a 1GHz-level processor.
- #
- # Following are reversed versions which are consistently fast
- # (about 3 milliseconds on 1GHz-level processor).
- #
- $text = strrev( preg_replace( "/ s'([{$lc}]+)/", " s'\\1 \\1", strrev( $text ) ) );
- $text = strrev( preg_replace( "/ 's([{$lc}]+)/", " s\\1", strrev( $text ) ) );
-
- # Strip wiki '' and '''
- $text = preg_replace( "/''[']*/", " ", $text );
- wfProfileOut( __METHOD__ . '-regexps' );
-
- wfRunHooks( 'SearchUpdate', array( $this->mId, $this->mNamespace, $this->mTitle, &$text ) );
-
- # Perform the actual update
- $search->update($this->mId, $search->normalizeText( Title::indexTitle( $this->mNamespace, $this->mTitle ) ),
- $search->normalizeText( $text ) );
-
- wfProfileOut( __METHOD__ );
- }
-}
-
-/**
- * Placeholder class
- *
- * @ingroup Search
- */
-class SearchUpdateMyISAM extends SearchUpdate {
- # Inherits everything
-}