1 files changed, 0 insertions, 273 deletions
diff --git a/includes/search/SearchOracle.php b/includes/search/SearchOracle.php
deleted file mode 100644
index 58211484..00000000
--- a/includes/search/SearchOracle.php
+++ /dev/null
@@ -1,273 +0,0 @@
-<?php
-/**
- * Oracle search engine
- *
- * Copyright © 2004 Brion Vibber <brion@pobox.com>
- * https://www.mediawiki.org/
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- * http://www.gnu.org/copyleft/gpl.html
- *
- * @file
- * @ingroup Search
- */
-
-/**
- * Search engine hook base class for Oracle (ConText).
- * @ingroup Search
- */
-class SearchOracle extends SearchDatabase {
-	private $reservedWords = array(
-		'ABOUT' => 1,
-		'ACCUM' => 1,
-		'AND' => 1,
-		'BT' => 1,
-		'BTG' => 1,
-		'BTI' => 1,
-		'BTP' => 1,
-		'FUZZY' => 1,
-		'HASPATH' => 1,
-		'INPATH' => 1,
-		'MINUS' => 1,
-		'NEAR' => 1,
-		'NOT' => 1,
-		'NT' => 1,
-		'NTG' => 1,
-		'NTI' => 1,
-		'NTP' => 1,
-		'OR' => 1,
-		'PT' => 1,
-		'RT' => 1,
-		'SQE' => 1,
-		'SYN' => 1,
-		'TR' => 1,
-		'TRSYN' => 1,
-		'TT' => 1,
-		'WITHIN' => 1,
-	);
-
-	/**
-	 * Perform a full text search query and return a result set.
-	 *
-	 * @param string $term Raw search term
-	 * @return SqlSearchResultSet
-	 */
-	function searchText( $term ) {
-		if ( $term == '' ) {
-			return new SqlSearchResultSet( false, '' );
-		}
-
-		$resultSet = $this->db->query( $this->getQuery( $this->filter( $term ), true ) );
-		return new SqlSearchResultSet( $resultSet, $this->searchTerms );
-	}
-
-	/**
-	 * Perform a title-only search query and return a result set.
-	 *
-	 * @param string $term Raw search term
-	 * @return SqlSearchResultSet
-	 */
-	function searchTitle( $term ) {
-		if ( $term == '' ) {
-			return new SqlSearchResultSet( false, '' );
-		}
-
-		$resultSet = $this->db->query( $this->getQuery( $this->filter( $term ), false ) );
-		return new SqlSearchResultSet( $resultSet, $this->searchTerms );
-	}
-
-	/**
-	 * Return a partial WHERE clause to limit the search to the given namespaces
-	 * @return string
-	 */
-	function queryNamespaces() {
-		if ( is_null( $this->namespaces ) ) {
-			return '';
-		}
-		if ( !count( $this->namespaces ) ) {
-			$namespaces = '0';
-		} else {
-			$namespaces = $this->db->makeList( $this->namespaces );
-		}
-		return 'AND page_namespace IN (' . $namespaces . ')';
-	}
-
-	/**
-	 * Return a LIMIT clause to limit results on the query.
-	 *
-	 * @param string $sql
-	 *
-	 * @return string
-	 */
-	function queryLimit( $sql ) {
-		return $this->db->limitResult( $sql, $this->limit, $this->offset );
-	}
-
-	/**
-	 * Does not do anything for generic search engine
-	 * subclasses may define this though
-	 *
-	 * @param string $filteredTerm
-	 * @param bool $fulltext
-	 * @return string
-	 */
-	function queryRanking( $filteredTerm, $fulltext ) {
-		return ' ORDER BY score(1)';
-	}
-
-	/**
-	 * Construct the full SQL query to do the search.
-	 * The guts shoulds be constructed in queryMain()
-	 * @param string $filteredTerm
-	 * @param bool $fulltext
-	 * @return string
-	 */
-	function getQuery( $filteredTerm, $fulltext ) {
-		return $this->queryLimit( $this->queryMain( $filteredTerm, $fulltext ) . ' ' .
-			$this->queryNamespaces() . ' ' .
-			$this->queryRanking( $filteredTerm, $fulltext ) . ' ' );
-	}
-
-	/**
-	 * Picks which field to index on, depending on what type of query.
-	 * @param bool $fulltext
-	 * @return string
-	 */
-	function getIndexField( $fulltext ) {
-		return $fulltext ? 'si_text' : 'si_title';
-	}
-
-	/**
-	 * Get the base part of the search query.
-	 *
-	 * @param string $filteredTerm
-	 * @param bool $fulltext
-	 * @return string
-	 */
-	function queryMain( $filteredTerm, $fulltext ) {
-		$match = $this->parseQuery( $filteredTerm, $fulltext );
-		$page = $this->db->tableName( 'page' );
-		$searchindex = $this->db->tableName( 'searchindex' );
-		return 'SELECT page_id, page_namespace, page_title ' .
-			"FROM $page,$searchindex " .
-			'WHERE page_id=si_page AND ' . $match;
-	}
-
-	/**
-	 * Parse a user input search string, and return an SQL fragment to be used
-	 * as part of a WHERE clause
-	 * @param string $filteredText
-	 * @param bool $fulltext
-	 * @return string
-	 */
-	function parseQuery( $filteredText, $fulltext ) {
-		global $wgContLang;
-		$lc = $this->legalSearchChars();
-		$this->searchTerms = array();
-
-		# @todo FIXME: This doesn't handle parenthetical expressions.
-		$m = array();
-		$searchon = '';
-		if ( preg_match_all( '/([-+<>~]?)(([' . $lc . ']+)(\*?)|"[^"]*")/',
-				$filteredText, $m, PREG_SET_ORDER ) ) {
-			foreach ( $m as $terms ) {
-				// Search terms in all variant forms, only
-				// apply on wiki with LanguageConverter
-				$temp_terms = $wgContLang->autoConvertToAllVariants( $terms[2] );
-				if ( is_array( $temp_terms ) ) {
-					$temp_terms = array_unique( array_values( $temp_terms ) );
-					foreach ( $temp_terms as $t ) {
-						$searchon .= ( $terms[1] == '-' ? ' ~' : ' & ' ) . $this->escapeTerm( $t );
-					}
-				}
-				else {
-					$searchon .= ( $terms[1] == '-' ? ' ~' : ' & ' ) . $this->escapeTerm( $terms[2] );
-				}
-				if ( !empty( $terms[3] ) ) {
-					$regexp = preg_quote( $terms[3], '/' );
-					if ( $terms[4] ) {
-						$regexp .= "[0-9A-Za-z_]+";
-					}
-				} else {
-					$regexp = preg_quote( str_replace( '"', '', $terms[2] ), '/' );
-				}
-				$this->searchTerms[] = $regexp;
-			}
-		}
-
-		$searchon = $this->db->addQuotes( ltrim( $searchon, ' &' ) );
-		$field = $this->getIndexField( $fulltext );
-		return " CONTAINS($field, $searchon, 1) > 0 ";
-	}
-
-	private function escapeTerm( $t ) {
-		global $wgContLang;
-		$t = $wgContLang->normalizeForSearch( $t );
-		$t = isset( $this->reservedWords[strtoupper( $t )] ) ? '{' . $t . '}' : $t;
-		$t = preg_replace( '/^"(.*)"$/', '($1)', $t );
-		$t = preg_replace( '/([-&|])/', '\\\\$1', $t );
-		return $t;
-	}
-
-	/**
-	 * Create or update the search index record for the given page.
-	 * Title and text should be pre-processed.
-	 *
-	 * @param int $id
-	 * @param string $title
-	 * @param string $text
-	 */
-	function update( $id, $title, $text ) {
-		$dbw = wfGetDB( DB_MASTER );
-		$dbw->replace( 'searchindex',
-			array( 'si_page' ),
-			array(
-				'si_page' => $id,
-				'si_title' => $title,
-				'si_text' => $text
-			), 'SearchOracle::update' );
-
-		// Sync the index
-		// We need to specify the DB name (i.e. user/schema) here so that
-		// it can work from the installer, where
-		//     ALTER SESSION SET CURRENT_SCHEMA = ...
-		// was used.
-		$dbw->query( "CALL ctx_ddl.sync_index(" .
-			$dbw->addQuotes( $dbw->getDBname() . '.' . $dbw->tableName( 'si_text_idx', 'raw' ) ) . ")" );
-		$dbw->query( "CALL ctx_ddl.sync_index(" .
-			$dbw->addQuotes( $dbw->getDBname() . '.' . $dbw->tableName( 'si_title_idx', 'raw' ) ) . ")" );
-	}
-
-	/**
-	 * Update a search index record's title only.
-	 * Title should be pre-processed.
-	 *
-	 * @param int $id
-	 * @param string $title
-	 */
-	function updateTitle( $id, $title ) {
-		$dbw = wfGetDB( DB_MASTER );
-
-		$dbw->update( 'searchindex',
-			array( 'si_title' => $title ),
-			array( 'si_page' => $id ),
-			'SearchOracle::updateTitle',
-			array() );
-	}
-
-	public static function legalSearchChars() {
-		return "\"" . parent::legalSearchChars();
-	}
-}