<?php
-
-/*
- * Created on July 30, 2007
+/**
*
- * API for MediaWiki 1.8+
*
- * Copyright (C) 2007 Yuri Astrakhan <Firstname><Lastname>@gmail.com
+ * Created on July 30, 2007
+ *
+ * Copyright © 2007 Yuri Astrakhan "<Firstname><Lastname>@gmail.com"
*
* 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
*
* 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.,
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
*/
-if (!defined('MEDIAWIKI')) {
- // Eclipse helper - will be ignored in production
- require_once ('ApiQueryBase.php');
-}
-
/**
* Query module to perform full text search within wiki titles and content
*
class ApiQuerySearch extends ApiQueryGeneratorBase {
public function __construct( $query, $moduleName ) {
- parent :: __construct($query, $moduleName, 'sr');
+ parent::__construct( $query, $moduleName, 'sr' );
}
public function execute() {
$this->run( $resultPageSet );
}
+ /**
+ * @param $resultPageSet ApiPageSet
+ * @return void
+ */
private function run( $resultPageSet = null ) {
global $wgContLang;
$params = $this->extractRequestParams();
$what = $params['what'];
$searchInfo = array_flip( $params['info'] );
$prop = array_flip( $params['prop'] );
-
- if ( strval( $query ) === '' )
- $this->dieUsage( "empty search string is not allowed", 'param-search' );
// Create search engine instance and set options
$search = SearchEngine::create();
- $search->setLimitOffset( $limit+1, $params['offset'] );
+ $search->setLimitOffset( $limit + 1, $params['offset'] );
$search->setNamespaces( $params['namespace'] );
$search->showRedirects = $params['redirects'];
+ $query = $search->transformSearchTerm( $query );
+ $query = $search->replacePrefixes( $query );
+
// Perform the actual search
if ( $what == 'text' ) {
$matches = $search->searchText( $query );
- } elseif( $what == 'title' ) {
+ } elseif ( $what == 'title' ) {
$matches = $search->searchTitle( $query );
+ } elseif ( $what == 'nearmatch' ) {
+ $matches = SearchEngine::getNearMatchResultSet( $query );
} else {
// We default to title searches; this is a terrible legacy
// of the way we initially set up the MySQL fulltext-based
// In the future, the default should be for a combined index.
$what = 'title';
$matches = $search->searchTitle( $query );
-
+
// Not all search engines support a separate title search,
// for instance the Lucene-based engine we use on Wikipedia.
// In this case, fall back to full-text search (which will
// include titles in it!)
- if( is_null( $matches ) ) {
+ if ( is_null( $matches ) ) {
$what = 'text';
$matches = $search->searchText( $query );
}
}
- if ( is_null( $matches ) )
+ if ( is_null( $matches ) ) {
$this->dieUsage( "{$what} search is disabled", "search-{$what}-disabled" );
-
+ } elseif ( $matches instanceof Status && !$matches->isGood() ) {
+ $this->dieUsage( $matches->getWikiText(), 'search-error' );
+ }
+
+ $apiResult = $this->getResult();
// Add search meta data to result
if ( isset( $searchInfo['totalhits'] ) ) {
$totalhits = $matches->getTotalHits();
- if( $totalhits !== null ) {
- $this->getResult()->addValue( array( 'query', 'searchinfo' ),
+ if ( $totalhits !== null ) {
+ $apiResult->addValue( array( 'query', 'searchinfo' ),
'totalhits', $totalhits );
}
}
if ( isset( $searchInfo['suggestion'] ) && $matches->hasSuggestion() ) {
- $this->getResult()->addValue( array( 'query', 'searchinfo' ),
+ $apiResult->addValue( array( 'query', 'searchinfo' ),
'suggestion', $matches->getSuggestionQuery() );
}
// Add the search results to the result
$terms = $wgContLang->convertForSearchResult( $matches->termMatches() );
- $titles = array ();
+ $titles = array();
$count = 0;
- while ( $result = $matches->next() ) {
+ $result = $matches->next();
+
+ while ( $result ) {
if ( ++ $count > $limit ) {
// We've reached the one extra which shows that there are additional items to be had. Stop here...
$this->setContinueEnumParameter( 'offset', $params['offset'] + $params['limit'] );
}
// Silently skip broken and missing titles
- if ( $result->isBrokenTitle() || $result->isMissingRevision() )
+ if ( $result->isBrokenTitle() || $result->isMissingRevision() ) {
+ $result = $matches->next();
continue;
-
+ }
+
$title = $result->getTitle();
if ( is_null( $resultPageSet ) ) {
$vals = array();
ApiQueryBase::addTitleInfo( $vals, $title );
-
- if ( isset( $prop['snippet'] ) )
+
+ if ( isset( $prop['snippet'] ) ) {
$vals['snippet'] = $result->getTextSnippet( $terms );
- if ( isset( $prop['size'] ) )
+ }
+ if ( isset( $prop['size'] ) ) {
$vals['size'] = $result->getByteSize();
- if ( isset( $prop['wordcount'] ) )
+ }
+ if ( isset( $prop['wordcount'] ) ) {
$vals['wordcount'] = $result->getWordCount();
- if ( isset( $prop['timestamp'] ) )
+ }
+ if ( isset( $prop['timestamp'] ) ) {
$vals['timestamp'] = wfTimestamp( TS_ISO_8601, $result->getTimestamp() );
-
+ }
+ if ( !is_null( $result->getScore() ) && isset( $prop['score'] ) ) {
+ $vals['score'] = $result->getScore();
+ }
+ if ( isset( $prop['titlesnippet'] ) ) {
+ $vals['titlesnippet'] = $result->getTitleSnippet( $terms );
+ }
+ if ( !is_null( $result->getRedirectTitle() ) ) {
+ if ( isset( $prop['redirecttitle'] ) ) {
+ $vals['redirecttitle'] = $result->getRedirectTitle();
+ }
+ if ( isset( $prop['redirectsnippet'] ) ) {
+ $vals['redirectsnippet'] = $result->getRedirectSnippet( $terms );
+ }
+ }
+ if ( !is_null( $result->getSectionTitle() ) ) {
+ if ( isset( $prop['sectiontitle'] ) ) {
+ $vals['sectiontitle'] = $result->getSectionTitle()->getFragment();
+ }
+ if ( isset( $prop['sectionsnippet'] ) ) {
+ $vals['sectionsnippet'] = $result->getSectionSnippet();
+ }
+ }
+ if ( isset( $prop['hasrelated'] ) && $result->hasRelated() ) {
+ $vals['hasrelated'] = '';
+ }
+
// Add item to results and see whether it fits
- $fit = $this->getResult()->addValue( array( 'query', $this->getModuleName() ),
+ $fit = $apiResult->addValue( array( 'query', $this->getModuleName() ),
null, $vals );
if ( !$fit ) {
$this->setContinueEnumParameter( 'offset', $params['offset'] + $count - 1 );
} else {
$titles[] = $title;
}
+
+ $result = $matches->next();
}
if ( is_null( $resultPageSet ) ) {
- $this->getResult()->setIndexedTagName_internal( array(
+ $apiResult->setIndexedTagName_internal( array(
'query', $this->getModuleName()
), 'p' );
} else {
}
}
+ public function getCacheMode( $params ) {
+ return 'public';
+ }
+
public function getAllowedParams() {
- return array (
- 'search' => null,
- 'namespace' => array (
- ApiBase :: PARAM_DFLT => 0,
- ApiBase :: PARAM_TYPE => 'namespace',
- ApiBase :: PARAM_ISMULTI => true,
- ),
- 'what' => array (
- ApiBase :: PARAM_DFLT => null,
- ApiBase :: PARAM_TYPE => array (
+ return array(
+ 'search' => array(
+ ApiBase::PARAM_TYPE => 'string',
+ ApiBase::PARAM_REQUIRED => true
+ ),
+ 'namespace' => array(
+ ApiBase::PARAM_DFLT => NS_MAIN,
+ ApiBase::PARAM_TYPE => 'namespace',
+ ApiBase::PARAM_ISMULTI => true,
+ ),
+ 'what' => array(
+ ApiBase::PARAM_DFLT => null,
+ ApiBase::PARAM_TYPE => array(
'title',
'text',
+ 'nearmatch',
)
),
'info' => array(
- ApiBase :: PARAM_DFLT => 'totalhits|suggestion',
- ApiBase :: PARAM_TYPE => array (
+ ApiBase::PARAM_DFLT => 'totalhits|suggestion',
+ ApiBase::PARAM_TYPE => array(
'totalhits',
'suggestion',
),
- ApiBase :: PARAM_ISMULTI => true,
+ ApiBase::PARAM_ISMULTI => true,
),
'prop' => array(
- ApiBase :: PARAM_DFLT => 'size|wordcount|timestamp|snippet',
- ApiBase :: PARAM_TYPE => array (
+ ApiBase::PARAM_DFLT => 'size|wordcount|timestamp|snippet',
+ ApiBase::PARAM_TYPE => array(
'size',
'wordcount',
'timestamp',
+ 'score',
'snippet',
+ 'titlesnippet',
+ 'redirecttitle',
+ 'redirectsnippet',
+ 'sectiontitle',
+ 'sectionsnippet',
+ 'hasrelated',
),
- ApiBase :: PARAM_ISMULTI => true,
+ ApiBase::PARAM_ISMULTI => true,
),
'redirects' => false,
'offset' => 0,
- 'limit' => array (
- ApiBase :: PARAM_DFLT => 10,
- ApiBase :: PARAM_TYPE => 'limit',
- ApiBase :: PARAM_MIN => 1,
- ApiBase :: PARAM_MAX => ApiBase :: LIMIT_SML1,
- ApiBase :: PARAM_MAX2 => ApiBase :: LIMIT_SML2
+ 'limit' => array(
+ ApiBase::PARAM_DFLT => 10,
+ ApiBase::PARAM_TYPE => 'limit',
+ ApiBase::PARAM_MIN => 1,
+ ApiBase::PARAM_MAX => ApiBase::LIMIT_SML1,
+ ApiBase::PARAM_MAX2 => ApiBase::LIMIT_SML2
)
);
}
public function getParamDescription() {
- return array (
- 'search' => 'Search for all page titles (or content) that has this value.',
- 'namespace' => 'The namespace(s) to enumerate.',
- 'what' => 'Search inside the text or titles.',
- 'info' => 'What metadata to return.',
- 'prop' => 'What properties to return.',
- 'redirects' => 'Include redirect pages in the search.',
+ return array(
+ 'search' => 'Search for all page titles (or content) that has this value',
+ 'namespace' => 'The namespace(s) to enumerate',
+ 'what' => 'Search inside the text or titles',
+ 'info' => 'What metadata to return',
+ 'prop' => array(
+ 'What properties to return',
+ ' size - Adds the size of the page in bytes',
+ ' wordcount - Adds the word count of the page',
+ ' timestamp - Adds the timestamp of when the page was last edited',
+ ' score - Adds the score (if any) from the search engine',
+ ' snippet - Adds a parsed snippet of the page',
+ ' titlesnippet - Adds a parsed snippet of the page title',
+ ' redirectsnippet - Adds a parsed snippet of the redirect title',
+ ' redirecttitle - Adds the title of the matching redirect',
+ ' sectionsnippet - Adds a parsed snippet of the matching section title',
+ ' sectiontitle - Adds the title of the matching section',
+ ' hasrelated - Indicates whether a related search is available',
+ ),
+ 'redirects' => 'Include redirect pages in the search',
'offset' => 'Use this value to continue paging (return by query)',
- 'limit' => 'How many total pages to return.'
+ 'limit' => 'How many total pages to return'
+ );
+ }
+
+ public function getResultProperties() {
+ return array(
+ '' => array(
+ 'ns' => 'namespace',
+ 'title' => 'string'
+ ),
+ 'snippet' => array(
+ 'snippet' => 'string'
+ ),
+ 'size' => array(
+ 'size' => 'integer'
+ ),
+ 'wordcount' => array(
+ 'wordcount' => 'integer'
+ ),
+ 'timestamp' => array(
+ 'timestamp' => 'timestamp'
+ ),
+ 'score' => array(
+ 'score' => array(
+ ApiBase::PROP_TYPE => 'string',
+ ApiBase::PROP_NULLABLE => true
+ )
+ ),
+ 'titlesnippet' => array(
+ 'titlesnippet' => 'string'
+ ),
+ 'redirecttitle' => array(
+ 'redirecttitle' => array(
+ ApiBase::PROP_TYPE => 'string',
+ ApiBase::PROP_NULLABLE => true
+ )
+ ),
+ 'redirectsnippet' => array(
+ 'redirectsnippet' => array(
+ ApiBase::PROP_TYPE => 'string',
+ ApiBase::PROP_NULLABLE => true
+ )
+ ),
+ 'sectiontitle' => array(
+ 'sectiontitle' => array(
+ ApiBase::PROP_TYPE => 'string',
+ ApiBase::PROP_NULLABLE => true
+ )
+ ),
+ 'sectionsnippet' => array(
+ 'sectionsnippet' => array(
+ ApiBase::PROP_TYPE => 'string',
+ ApiBase::PROP_NULLABLE => true
+ )
+ ),
+ 'hasrelated' => array(
+ 'hasrelated' => 'boolean'
+ )
);
}
return 'Perform a full text search';
}
- protected function getExamples() {
- return array (
+ public function getPossibleErrors() {
+ return array_merge( parent::getPossibleErrors(), array(
+ array( 'code' => 'search-text-disabled', 'info' => 'text search is disabled' ),
+ array( 'code' => 'search-title-disabled', 'info' => 'title search is disabled' ),
+ array( 'code' => 'search-error', 'info' => 'search error has occurred' ),
+ ) );
+ }
+
+ public function getExamples() {
+ return array(
'api.php?action=query&list=search&srsearch=meaning',
'api.php?action=query&list=search&srwhat=text&srsearch=meaning',
'api.php?action=query&generator=search&gsrsearch=meaning&prop=info',
);
}
- public function getVersion() {
- return __CLASS__ . ': $Id$';
+ public function getHelpUrls() {
+ return 'https://www.mediawiki.org/wiki/API:Search';
}
}