<?php
/**
* Contain a class for special pages
- * @package MediaWiki
- * @subpackage Search
- */
-
-/**
- * @package MediaWiki
+ * @addtogroup Search
*/
class SearchEngine {
var $limit = 10;
var $offset = 0;
var $searchTerms = array();
- var $namespaces = array( 0 );
+ var $namespaces = array( NS_MAIN );
var $showRedirects = false;
-
+
/**
* Perform a full text search query and return a result set.
* If title searches are not supported or disabled, return null.
function searchTitle( $term ) {
return null;
}
-
+
/**
* If an exact title match can be find, or a very slightly close match,
* return the title. If no match, returns NULL.
*
- * @static
* @param string $term
* @return Title
- * @access private
*/
- function getNearMatch( $term ) {
- # Exact match? No need to look further.
- $title = Title::newFromText( $term );
- if ( $title->getNamespace() == NS_SPECIAL || $title->exists() ) {
- return $title;
- }
+ public static function getNearMatch( $searchterm ) {
+ global $wgContLang;
- # Now try all lower case (i.e. first letter capitalized)
- #
- $title = Title::newFromText( strtolower( $term ) );
- if ( $title->exists() ) {
- return $title;
- }
+ $allSearchTerms = array($searchterm);
- # Now try capitalized string
- #
- $title = Title::newFromText( ucwords( strtolower( $term ) ) );
- if ( $title->exists() ) {
- return $title;
+ if($wgContLang->hasVariants()){
+ $allSearchTerms = array_merge($allSearchTerms,$wgContLang->convertLinkToAllVariants($searchterm));
}
- # Now try all upper case
- #
- $title = Title::newFromText( strtoupper( $term ) );
- if ( $title->exists() ) {
- return $title;
+ foreach($allSearchTerms as $term){
+
+ # Exact match? No need to look further.
+ $title = Title::newFromText( $term );
+ if (is_null($title))
+ return NULL;
+
+ if ( $title->getNamespace() == NS_SPECIAL || $title->exists() ) {
+ return $title;
+ }
+
+ # Now try all lower case (i.e. first letter capitalized)
+ #
+ $title = Title::newFromText( $wgContLang->lc( $term ) );
+ if ( $title->exists() ) {
+ return $title;
+ }
+
+ # Now try capitalized string
+ #
+ $title = Title::newFromText( $wgContLang->ucwords( $term ) );
+ if ( $title->exists() ) {
+ return $title;
+ }
+
+ # Now try all upper case
+ #
+ $title = Title::newFromText( $wgContLang->uc( $term ) );
+ if ( $title->exists() ) {
+ return $title;
+ }
+
+ # Now try Word-Caps-Breaking-At-Word-Breaks, for hyphenated names etc
+ $title = Title::newFromText( $wgContLang->ucwordbreaks($term) );
+ if ( $title->exists() ) {
+ return $title;
+ }
+
+ global $wgCapitalLinks, $wgContLang;
+ if( !$wgCapitalLinks ) {
+ // Catch differs-by-first-letter-case-only
+ $title = Title::newFromText( $wgContLang->ucfirst( $term ) );
+ if ( $title->exists() ) {
+ return $title;
+ }
+ $title = Title::newFromText( $wgContLang->lcfirst( $term ) );
+ if ( $title->exists() ) {
+ return $title;
+ }
+ }
}
- $title = Title::newFromText( $term );
+ $title = Title::newFromText( $searchterm );
# Entering an IP address goes to the contributions page
if ( ( $title->getNamespace() == NS_USER && User::isIP($title->getText() ) )
- || User::isIP( trim( $term ) ) ) {
- return Title::makeTitle( NS_SPECIAL, "Contributions/" . $title->getDbkey() );
+ || User::isIP( trim( $searchterm ) ) ) {
+ return SpecialPage::getTitleFor( 'Contributions', $title->getDbkey() );
}
return $title;
}
+ # Go to images that exist even if there's no local page.
+ # There may have been a funny upload, or it may be on a shared
+ # file repository such as Wikimedia Commons.
+ if( $title->getNamespace() == NS_IMAGE ) {
+ $image = wfFindFile( $title );
+ if( $image ) {
+ return $title;
+ }
+ }
+
+ # MediaWiki namespace? Page may be "implied" if not customized.
+ # Just return it, with caps forced as the message system likes it.
+ if( $title->getNamespace() == NS_MEDIAWIKI ) {
+ return Title::makeTitle( NS_MEDIAWIKI, $wgContLang->ucfirst( $title->getText() ) );
+ }
+
# Quoted term? Try without the quotes...
- if( preg_match( '/^"([^"]+)"$/', $term, $matches ) ) {
+ $matches = array();
+ if( preg_match( '/^"([^"]+)"$/', $searchterm, $matches ) ) {
return SearchEngine::getNearMatch( $matches[1] );
}
return NULL;
}
-
- function legalSearchChars() {
+
+ public static function legalSearchChars() {
return "A-Za-z_'0-9\\x80-\\xFF\\-";
}
* @access public
*/
function setLimitOffset( $limit, $offset = 0 ) {
- $this->limit = IntVal( $limit );
- $this->offset = IntVal( $offset );
+ $this->limit = intval( $limit );
+ $this->offset = intval( $offset );
}
-
+
/**
* Set which namespaces the search should include.
* Give an array of namespace index numbers.
function setNamespaces( $namespaces ) {
$this->namespaces = $namespaces;
}
-
+
/**
* Make a list of searchable namespaces and their canonical names.
* @return array
- * @access public
*/
- function searchableNamespaces() {
+ public static function searchableNamespaces() {
global $wgContLang;
$arr = array();
foreach( $wgContLang->getNamespaces() as $ns => $name ) {
}
return $arr;
}
-
+
/**
* Return a 'cleaned up' search string
*
* active database backend, and return a configured instance.
*
* @return SearchEngine
- * @access private
*/
- function create() {
- global $wgDBtype, $wgDBmysql4, $wgSearchType;
+ public static function create() {
+ global $wgDBtype, $wgSearchType;
if( $wgSearchType ) {
$class = $wgSearchType;
} elseif( $wgDBtype == 'mysql' ) {
- if( $wgDBmysql4 ) {
- $class = 'SearchMySQL4';
- require_once( 'SearchMySQL4.php' );
- } else {
- $class = 'SearchMysql3';
- require_once( 'SearchMySQL3.php' );
- }
- } else if ( $wgDBtype == 'PostgreSQL' ) {
- $class = 'SearchTsearch2';
- require_once( 'SearchTsearch2.php' );
+ $class = 'SearchMySQL4';
+ } else if ( $wgDBtype == 'postgres' ) {
+ $class = 'SearchPostgres';
+ } else if ( $wgDBtype == 'oracle' ) {
+ $class = 'SearchOracle';
} else {
$class = 'SearchEngineDummy';
}
$search->setLimitOffset(0,0);
return $search;
}
-
+
/**
* Create or update the search index record for the given page.
* Title and text should be pre-processed.
* @param string $title
* @abstract
*/
- function updateTitle( $id, $title ) {
+ function updateTitle( $id, $title ) {
// no-op
- }
+ }
}
+
+/**
+ * @addtogroup Search
+ */
class SearchResultSet {
/**
* Fetch an array of regular expression fragments for matching
function termMatches() {
return array();
}
-
+
function numRows() {
return 0;
}
-
+
/**
* Return true if results are included in this result set.
* @return bool
function hasResults() {
return false;
}
-
+
/**
* Some search modes return a total hit count for the query
* in the entire article database. This may include pages
function getTotalHits() {
return null;
}
-
+
/**
* Some search modes return a suggested alternate term if there are
* no exact hits. Returns true if there is one on this set.
function hasSuggestion() {
return false;
}
-
+
/**
* Some search modes return a suggested alternate term if there are
* no exact hits. Check hasSuggestion() first.
function getSuggestion() {
return '';
}
-
+
/**
* Fetches next search result, or false.
* @return SearchResult
function next() {
return false;
}
+
+ /**
+ * Frees the result set, if applicable.
+ * @ access public
+ */
+ function free() {
+ // ...
+ }
}
+
+/**
+ * @addtogroup Search
+ */
class SearchResult {
function SearchResult( $row ) {
$this->mTitle = Title::makeTitle( $row->page_namespace, $row->page_title );
}
-
+
/**
* @return Title
* @access public
function getTitle() {
return $this->mTitle;
}
-
+
/**
* @return double or null if not supported
*/
}
/**
- * @package MediaWiki
+ * @addtogroup Search
*/
class SearchEngineDummy {
function search( $term ) {
return null;
}
+ function setLimitOffset($l, $o) {}
+ function legalSearchChars() {}
+ function update() {}
+ function setnamespaces() {}
+ function searchtitle() {}
+ function searchtext() {}
}