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-rw-r--r--includes/SearchEngine.php138
1 files changed, 92 insertions, 46 deletions
diff --git a/includes/SearchEngine.php b/includes/SearchEngine.php
index edd93cce..3ea0341d 100644
--- a/includes/SearchEngine.php
+++ b/includes/SearchEngine.php
@@ -13,6 +13,7 @@
class SearchEngine {
var $limit = 10;
var $offset = 0;
+ var $prefix = '';
var $searchTerms = array();
var $namespaces = array( NS_MAIN );
var $showRedirects = false;
@@ -43,6 +44,19 @@ class SearchEngine {
return null;
}
+ /** If this search backend can list/unlist redirects */
+ function acceptListRedirects() {
+ return true;
+ }
+
+ /**
+ * Transform search term in cases when parts of the query came as different GET params (when supported)
+ * e.g. for prefix queries: search=test&prefix=Main_Page/Archive -> test prefix:Main Page/Archive
+ */
+ function transformSearchTerm( $term ) {
+ return $term;
+ }
+
/**
* If an exact title match can be find, or a very slightly close match,
* return the title. If no match, returns NULL.
@@ -98,19 +112,6 @@ class SearchEngine {
return $title;
}
- global $wgCapitalLinks, $wgContLang;
- if( !$wgCapitalLinks ) {
- // Catch differs-by-first-letter-case-only
- $title = Title::newFromText( $wgContLang->ucfirst( $term ) );
- if ( $title && $title->exists() ) {
- return $title;
- }
- $title = Title::newFromText( $wgContLang->lcfirst( $term ) );
- if ( $title && $title->exists() ) {
- return $title;
- }
- }
-
// Give hooks a chance at better match variants
$title = null;
if( !wfRunHooks( 'SearchGetNearMatch', array( $term, &$title ) ) ) {
@@ -135,7 +136,7 @@ class SearchEngine {
# 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 ) {
+ if( $title->getNamespace() == NS_FILE ) {
$image = wfFindFile( $title );
if( $image ) {
return $title;
@@ -158,7 +159,7 @@ class SearchEngine {
}
public static function legalSearchChars() {
- return "A-Za-z_'0-9\\x80-\\xFF\\-";
+ return "A-Za-z_'.0-9\\x80-\\xFF\\-";
}
/**
@@ -275,7 +276,51 @@ class SearchEngine {
return array_keys($wgNamespacesToBeSearchedDefault, true);
}
-
+
+ /**
+ * Get a list of namespace names useful for showing in tooltips
+ * and preferences
+ *
+ * @param unknown_type $namespaces
+ */
+ public static function namespacesAsText( $namespaces ){
+ global $wgContLang;
+
+ $formatted = array_map( array($wgContLang,'getFormattedNsText'), $namespaces );
+ foreach( $formatted as $key => $ns ){
+ if ( empty($ns) )
+ $formatted[$key] = wfMsg( 'blanknamespace' );
+ }
+ return $formatted;
+ }
+
+ /**
+ * An array of "project" namespaces indexes typically searched
+ * by logged-in users
+ *
+ * @return array
+ * @static
+ */
+ public static function projectNamespaces() {
+ global $wgNamespacesToBeSearchedDefault, $wgNamespacesToBeSearchedProject;
+
+ return array_keys( $wgNamespacesToBeSearchedProject, true );
+ }
+
+ /**
+ * An array of "project" namespaces indexes typically searched
+ * by logged-in users in addition to the default namespaces
+ *
+ * @return array
+ * @static
+ */
+ public static function defaultAndProjectNamespaces() {
+ global $wgNamespacesToBeSearchedDefault, $wgNamespacesToBeSearchedProject;
+
+ return array_keys( $wgNamespacesToBeSearchedDefault +
+ $wgNamespacesToBeSearchedProject, true);
+ }
+
/**
* Return a 'cleaned up' search string
*
@@ -290,24 +335,17 @@ class SearchEngine {
* Load up the appropriate search engine class for the currently
* active database backend, and return a configured instance.
*
- * @fixme Ask the database class for his default search class
- * instead of knowing about every backend here.
* @return SearchEngine
*/
public static function create() {
- global $wgDBtype, $wgSearchType;
+ global $wgSearchType;
+ $dbr = wfGetDB( DB_SLAVE );
if( $wgSearchType ) {
$class = $wgSearchType;
- } elseif( $wgDBtype == 'mysql' ) {
- $class = 'SearchMySQL';
- } else if ( $wgDBtype == 'postgres' ) {
- $class = 'SearchPostgres';
- } else if ( $wgDBtype == 'oracle' ) {
- $class = 'SearchOracle';
} else {
- $class = 'SearchEngineDummy';
+ $class = $dbr->getSearchEngine();
}
- $search = new $class( wfGetDB( DB_SLAVE ) );
+ $search = new $class( $dbr );
$search->setLimitOffset(0,0);
return $search;
}
@@ -345,11 +383,11 @@ class SearchEngine {
*/
public static function getOpenSearchTemplate() {
global $wgOpenSearchTemplate, $wgServer, $wgScriptPath;
- if($wgOpenSearchTemplate)
+ if( $wgOpenSearchTemplate ) {
return $wgOpenSearchTemplate;
- else{
- $ns = implode(',',SearchEngine::defaultNamespaces());
- if(!$ns) $ns = "0";
+ } else {
+ $ns = implode( '|', SearchEngine::defaultNamespaces() );
+ if( !$ns ) $ns = "0";
return $wgServer . $wgScriptPath . '/api.php?action=opensearch&search={searchTerms}&namespace='.$ns;
}
}
@@ -432,7 +470,7 @@ class SearchResultSet {
}
/**
- * @return string highlighted suggested query, '' if none
+ * @return string HTML highlighted suggested query, '' if none
*/
function getSuggestionSnippet(){
return '';
@@ -503,11 +541,15 @@ class SearchResultTooMany {
*/
class SearchResult {
var $mRevision = null;
+ var $mImage = null;
- function SearchResult( $row ) {
+ function __construct( $row ) {
$this->mTitle = Title::makeTitle( $row->page_namespace, $row->page_title );
- if( !is_null($this->mTitle) )
+ if( !is_null($this->mTitle) ){
$this->mRevision = Revision::newFromTitle( $this->mTitle );
+ if( $this->mTitle->getNamespace() === NS_FILE )
+ $this->mImage = wfFindFile( $this->mTitle );
+ }
}
/**
@@ -529,9 +571,7 @@ class SearchResult {
* @access public
*/
function isMissingRevision(){
- if( !$this->mRevision )
- return true;
- return false;
+ return !$this->mRevision && !$this->mImage;
}
/**
@@ -554,7 +594,11 @@ class SearchResult {
*/
protected function initText(){
if( !isset($this->mText) ){
- $this->mText = $this->mRevision->getText();
+ if($this->mRevision != null)
+ $this->mText = $this->mRevision->getText();
+ else // TODO: can we fetch raw wikitext for commons images?
+ $this->mText = '';
+
}
}
@@ -614,7 +658,11 @@ class SearchResult {
* @return string timestamp
*/
function getTimestamp(){
- return $this->mRevision->getTimestamp();
+ if( $this->mRevision )
+ return $this->mRevision->getTimestamp();
+ else if( $this->mImage )
+ return $this->mImage->getTimestamp();
+ return '';
}
/**
@@ -706,7 +754,7 @@ class SearchHighlighter {
if($key == 2){
// see if this is an image link
$ns = substr($val[0],2,-1);
- if( $wgContLang->getNsIndex($ns) != NS_IMAGE )
+ if( $wgContLang->getNsIndex($ns) != NS_FILE )
break;
}
@@ -761,13 +809,12 @@ class SearchHighlighter {
// prepare regexps
foreach( $terms as $index => $term ) {
- $terms[$index] = preg_quote( $term, '/' );
// manually do upper/lowercase stuff for utf-8 since PHP won't do it
if(preg_match('/[\x80-\xff]/', $term) ){
$terms[$index] = preg_replace_callback('/./us',array($this,'caseCallback'),$terms[$index]);
+ } else {
+ $terms[$index] = $term;
}
-
-
}
$anyterm = implode( '|', $terms );
$phrase = implode("$wgSearchHighlightBoundaries+", $terms );
@@ -1077,7 +1124,7 @@ class SearchHighlighter {
global $wgContLang;
$ns = substr( $matches[1], 0, $colon );
$index = $wgContLang->getNsIndex($ns);
- if( $index !== false && ($index == NS_IMAGE || $index == NS_CATEGORY) )
+ if( $index !== false && ($index == NS_FILE || $index == NS_CATEGORY) )
return $matches[0]; // return the whole thing
else
return $matches[2];
@@ -1097,11 +1144,10 @@ class SearchHighlighter {
public function highlightSimple( $text, $terms, $contextlines, $contextchars ) {
global $wgLang, $wgContLang;
$fname = __METHOD__;
-
+
$lines = explode( "\n", $text );
$terms = implode( '|', $terms );
- $terms = str_replace( '/', "\\/", $terms);
$max = intval( $contextchars ) + 1;
$pat1 = "/(.*)($terms)(.{0,$max})/i";
generated by cgit v1.2.2 (git 2.25.0) at 2024-04-25 02:22:34 +0000