<?php
-
-/*
- * Created on Sep 7, 2006
+/**
*
- * API for MediaWiki 1.8+
*
- * Copyright (C) 2006 Yuri Astrakhan <Firstname><Lastname>@gmail.com
+ * Created on Sep 7, 2006
+ *
+ * Copyright © 2006 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')) {
+if ( !defined( 'MEDIAWIKI' ) ) {
// Eclipse helper - will be ignored in production
- require_once ('ApiBase.php');
+ require_once( 'ApiBase.php' );
}
/**
- * This is the main query class. It behaves similar to ApiMain: based on the parameters given,
- * it will create a list of titles to work on (an instance of the ApiPageSet object)
- * instantiate and execute various property/list/meta modules,
- * and assemble all resulting data into a single ApiResult object.
- *
- * In the generator mode, a generator will be first executed to populate a second ApiPageSet object,
- * and that object will be used for all subsequent modules.
- *
- * @addtogroup API
+ * This is the main query class. It behaves similar to ApiMain: based on the
+ * parameters given, it will create a list of titles to work on (an ApiPageSet
+ * object), instantiate and execute various property/list/meta modules, and
+ * assemble all resulting data into a single ApiResult object.
+ *
+ * In generator mode, a generator will be executed first to populate a second
+ * ApiPageSet object, and that object will be used for all subsequent modules.
+ *
+ * @ingroup API
*/
class ApiQuery extends ApiBase {
private $mPropModuleNames, $mListModuleNames, $mMetaModuleNames;
+
+ /**
+ * @var ApiPageSet
+ */
private $mPageSet;
- private $params, $redirect;
- private $mQueryPropModules = array (
+ private $params, $redirects, $convertTitles;
+
+ private $mQueryPropModules = array(
'info' => 'ApiQueryInfo',
'revisions' => 'ApiQueryRevisions',
'links' => 'ApiQueryLinks',
+ 'iwlinks' => 'ApiQueryIWLinks',
'langlinks' => 'ApiQueryLangLinks',
'images' => 'ApiQueryImages',
'imageinfo' => 'ApiQueryImageInfo',
+ 'stashimageinfo' => 'ApiQueryStashImageInfo',
'templates' => 'ApiQueryLinks',
'categories' => 'ApiQueryCategories',
'extlinks' => 'ApiQueryExternalLinks',
+ 'categoryinfo' => 'ApiQueryCategoryInfo',
+ 'duplicatefiles' => 'ApiQueryDuplicateFiles',
+ 'pageprops' => 'ApiQueryPageProps',
);
- private $mQueryListModules = array (
+ private $mQueryListModules = array(
'allimages' => 'ApiQueryAllimages',
'allpages' => 'ApiQueryAllpages',
'alllinks' => 'ApiQueryAllLinks',
'categorymembers' => 'ApiQueryCategoryMembers',
'deletedrevs' => 'ApiQueryDeletedrevs',
'embeddedin' => 'ApiQueryBacklinks',
+ 'filearchive' => 'ApiQueryFilearchive',
'imageusage' => 'ApiQueryBacklinks',
+ 'iwbacklinks' => 'ApiQueryIWBacklinks',
'logevents' => 'ApiQueryLogEvents',
'recentchanges' => 'ApiQueryRecentChanges',
'search' => 'ApiQuerySearch',
+ 'tags' => 'ApiQueryTags',
'usercontribs' => 'ApiQueryContributions',
'watchlist' => 'ApiQueryWatchlist',
+ 'watchlistraw' => 'ApiQueryWatchlistRaw',
'exturlusage' => 'ApiQueryExtLinksUsage',
'users' => 'ApiQueryUsers',
'random' => 'ApiQueryRandom',
+ 'protectedtitles' => 'ApiQueryProtectedTitles',
+ 'querypage' => 'ApiQueryQueryPage',
);
- private $mQueryMetaModules = array (
+ private $mQueryMetaModules = array(
'siteinfo' => 'ApiQuerySiteinfo',
'userinfo' => 'ApiQueryUserInfo',
'allmessages' => 'ApiQueryAllmessages',
private $mSlaveDB = null;
private $mNamedDB = array();
- public function __construct($main, $action) {
- parent :: __construct($main, $action);
+ public function __construct( $main, $action ) {
+ parent::__construct( $main, $action );
- // Allow custom modules to be added in LocalSettings.php
- global $wgApiQueryPropModules, $wgApiQueryListModules, $wgApiQueryMetaModules;
- self :: appendUserModules($this->mQueryPropModules, $wgApiQueryPropModules);
- self :: appendUserModules($this->mQueryListModules, $wgApiQueryListModules);
- self :: appendUserModules($this->mQueryMetaModules, $wgApiQueryMetaModules);
+ // Allow custom modules to be added in LocalSettings.php
+ global $wgAPIPropModules, $wgAPIListModules, $wgAPIMetaModules;
+ self::appendUserModules( $this->mQueryPropModules, $wgAPIPropModules );
+ self::appendUserModules( $this->mQueryListModules, $wgAPIListModules );
+ self::appendUserModules( $this->mQueryMetaModules, $wgAPIMetaModules );
- $this->mPropModuleNames = array_keys($this->mQueryPropModules);
- $this->mListModuleNames = array_keys($this->mQueryListModules);
- $this->mMetaModuleNames = array_keys($this->mQueryMetaModules);
+ $this->mPropModuleNames = array_keys( $this->mQueryPropModules );
+ $this->mListModuleNames = array_keys( $this->mQueryListModules );
+ $this->mMetaModuleNames = array_keys( $this->mQueryMetaModules );
// Allow the entire list of modules at first,
// but during module instantiation check if it can be used as a generator.
- $this->mAllowedGenerators = array_merge($this->mListModuleNames, $this->mPropModuleNames);
+ $this->mAllowedGenerators = array_merge( $this->mListModuleNames, $this->mPropModuleNames );
}
/**
* Helper function to append any add-in modules to the list
+ * @param $modules array Module array
+ * @param $newModules array Module array to add to $modules
*/
- private static function appendUserModules(&$modules, $newModules) {
- if (is_array( $newModules )) {
- foreach ( $newModules as $moduleName => $moduleClass) {
+ private static function appendUserModules( &$modules, $newModules ) {
+ if ( is_array( $newModules ) ) {
+ foreach ( $newModules as $moduleName => $moduleClass ) {
$modules[$moduleName] = $moduleClass;
}
}
/**
* Gets a default slave database connection object
+ * @return Database
*/
public function getDB() {
- if (!isset ($this->mSlaveDB)) {
+ if ( !isset( $this->mSlaveDB ) ) {
$this->profileDBIn();
- $this->mSlaveDB = wfGetDB(DB_SLAVE);
+ $this->mSlaveDB = wfGetDB( DB_SLAVE, 'api' );
$this->profileDBOut();
}
return $this->mSlaveDB;
/**
* Get the query database connection with the given name.
- * If no such connection has been requested before, it will be created.
- * Subsequent calls with the same $name will return the same connection
- * as the first, regardless of $db or $groups new values.
+ * If no such connection has been requested before, it will be created.
+ * Subsequent calls with the same $name will return the same connection
+ * as the first, regardless of the values of $db and $groups
+ * @param $name string Name to assign to the database connection
+ * @param $db int One of the DB_* constants
+ * @param $groups array Query groups
+ * @return Database
*/
- public function getNamedDB($name, $db, $groups) {
- if (!array_key_exists($name, $this->mNamedDB)) {
+ public function getNamedDB( $name, $db, $groups ) {
+ if ( !array_key_exists( $name, $this->mNamedDB ) ) {
$this->profileDBIn();
- $this->mNamedDB[$name] = wfGetDB($db, $groups);
+ $this->mNamedDB[$name] = wfGetDB( $db, $groups );
$this->profileDBOut();
}
return $this->mNamedDB[$name];
/**
* Gets the set of pages the user has requested (or generated)
+ * @return ApiPageSet
*/
public function getPageSet() {
return $this->mPageSet;
}
-
+
/**
* Get the array mapping module names to class names
+ * @return array(modulename => classname)
*/
function getModules() {
- return array_merge($this->mQueryPropModules, $this->mQueryListModules, $this->mQueryMetaModules);
+ return array_merge( $this->mQueryPropModules, $this->mQueryListModules, $this->mQueryMetaModules );
+ }
+
+ /**
+ * Get whether the specified module is a prop, list or a meta query module
+ * @param $moduleName string Name of the module to find type for
+ * @return mixed string or null
+ */
+ function getModuleType( $moduleName ) {
+ if ( isset( $this->mQueryPropModules[$moduleName] ) ) {
+ return 'prop';
+ }
+
+ if ( isset( $this->mQueryListModules[$moduleName] ) ) {
+ return 'list';
+ }
+
+ if ( isset( $this->mQueryMetaModules[$moduleName] ) ) {
+ return 'meta';
+ }
+
+ return null;
+ }
+
+ public function getCustomPrinter() {
+ // If &exportnowrap is set, use the raw formatter
+ if ( $this->getParameter( 'export' ) &&
+ $this->getParameter( 'exportnowrap' ) )
+ {
+ return new ApiFormatRaw( $this->getMain(),
+ $this->getMain()->createPrinterByName( 'xml' ) );
+ } else {
+ return null;
+ }
}
/**
* Query execution happens in the following steps:
* #1 Create a PageSet object with any pages requested by the user
- * #2 If using generator, execute it to get a new PageSet object
- * #3 Instantiate all requested modules.
+ * #2 If using a generator, execute it to get a new ApiPageSet object
+ * #3 Instantiate all requested modules.
* This way the PageSet object will know what shared data is required,
- * and minimize DB calls.
+ * and minimize DB calls.
* #4 Output all normalization and redirect resolution information
* #5 Execute all requested modules
*/
public function execute() {
-
$this->params = $this->extractRequestParams();
$this->redirects = $this->params['redirects'];
-
- //
+ $this->convertTitles = $this->params['converttitles'];
+
// Create PageSet
- //
- $this->mPageSet = new ApiPageSet($this, $this->redirects);
+ $this->mPageSet = new ApiPageSet( $this, $this->redirects, $this->convertTitles );
- //
// Instantiate requested modules
- //
- $modules = array ();
- $this->InstantiateModules($modules, 'prop', $this->mQueryPropModules);
- $this->InstantiateModules($modules, 'list', $this->mQueryListModules);
- $this->InstantiateModules($modules, 'meta', $this->mQueryMetaModules);
-
- //
- // If given, execute generator to substitute user supplied data with generated data.
- //
- if (isset ($this->params['generator'])) {
- $this->executeGeneratorModule($this->params['generator'], $modules);
+ $modules = array();
+ $this->instantiateModules( $modules, 'prop', $this->mQueryPropModules );
+ $this->instantiateModules( $modules, 'list', $this->mQueryListModules );
+ $this->instantiateModules( $modules, 'meta', $this->mQueryMetaModules );
+
+ $cacheMode = 'public';
+
+ // If given, execute generator to substitute user supplied data with generated data.
+ if ( isset( $this->params['generator'] ) ) {
+ $generator = $this->newGenerator( $this->params['generator'] );
+ $params = $generator->extractRequestParams();
+ $cacheMode = $this->mergeCacheMode( $cacheMode,
+ $generator->getCacheMode( $params ) );
+ $this->executeGeneratorModule( $generator, $modules );
} else {
// Append custom fields and populate page/revision information
- $this->addCustomFldsToPageSet($modules, $this->mPageSet);
+ $this->addCustomFldsToPageSet( $modules, $this->mPageSet );
$this->mPageSet->execute();
}
- //
// Record page information (title, namespace, if exists, etc)
- //
$this->outputGeneralPageInfo();
- //
// Execute all requested modules.
- //
- foreach ($modules as $module) {
+ foreach ( $modules as $module ) {
+ $params = $module->extractRequestParams();
+ $cacheMode = $this->mergeCacheMode(
+ $cacheMode, $module->getCacheMode( $params ) );
$module->profileIn();
$module->execute();
+ wfRunHooks( 'APIQueryAfterExecute', array( &$module ) );
$module->profileOut();
}
+
+ // Set the cache mode
+ $this->getMain()->setCacheMode( $cacheMode );
}
-
+
+ /**
+ * Update a cache mode string, applying the cache mode of a new module to it.
+ * The cache mode may increase in the level of privacy, but public modules
+ * added to private data do not decrease the level of privacy.
+ */
+ protected function mergeCacheMode( $cacheMode, $modCacheMode ) {
+ if ( $modCacheMode === 'anon-public-user-private' ) {
+ if ( $cacheMode !== 'private' ) {
+ $cacheMode = 'anon-public-user-private';
+ }
+ } elseif ( $modCacheMode === 'public' ) {
+ // do nothing, if it's public already it will stay public
+ } else { // private
+ $cacheMode = 'private';
+ }
+ return $cacheMode;
+ }
+
/**
* Query modules may optimize data requests through the $this->getPageSet() object
* by adding extra fields from the page table.
- * This function will gather all the extra request fields from the modules.
+ * This function will gather all the extra request fields from the modules.
+ * @param $modules array of module objects
+ * @param $pageSet ApiPageSet
*/
- private function addCustomFldsToPageSet($modules, $pageSet) {
- // Query all requested modules.
- foreach ($modules as $module) {
- $module->requestExtraData($pageSet);
+ private function addCustomFldsToPageSet( $modules, $pageSet ) {
+ // Query all requested modules.
+ foreach ( $modules as $module ) {
+ $module->requestExtraData( $pageSet );
}
}
/**
- * Create instances of all modules requested by the client
+ * Create instances of all modules requested by the client
+ * @param $modules Array to append instantiated modules to
+ * @param $param string Parameter name to read modules from
+ * @param $moduleList Array array(modulename => classname)
*/
- private function InstantiateModules(&$modules, $param, $moduleList) {
- $list = $this->params[$param];
- if (isset ($list))
- foreach ($list as $moduleName)
- $modules[] = new $moduleList[$moduleName] ($this, $moduleName);
+ private function instantiateModules( &$modules, $param, $moduleList ) {
+ $list = @$this->params[$param];
+ if ( !is_null ( $list ) ) {
+ foreach ( $list as $moduleName ) {
+ $modules[] = new $moduleList[$moduleName] ( $this, $moduleName );
+ }
+ }
}
/**
- * Appends an element for each page in the current pageSet with the most general
- * information (id, title), plus any title normalizations and missing or invalid title/pageids/revids.
+ * Appends an element for each page in the current pageSet with the
+ * most general information (id, title), plus any title normalizations
+ * and missing or invalid title/pageids/revids.
*/
private function outputGeneralPageInfo() {
-
$pageSet = $this->getPageSet();
$result = $this->getResult();
+ // We don't check for a full result set here because we can't be adding
+ // more than 380K. The maximum revision size is in the megabyte range,
+ // and the maximum result size must be even higher than that.
+
// Title normalizations
- $normValues = array ();
- foreach ($pageSet->getNormalizedTitles() as $rawTitleStr => $titleStr) {
- $normValues[] = array (
+ $normValues = array();
+ foreach ( $pageSet->getNormalizedTitles() as $rawTitleStr => $titleStr ) {
+ $normValues[] = array(
'from' => $rawTitleStr,
'to' => $titleStr
);
}
- if (!empty ($normValues)) {
- $result->setIndexedTagName($normValues, 'n');
- $result->addValue('query', 'normalized', $normValues);
+ if ( count( $normValues ) ) {
+ $result->setIndexedTagName( $normValues, 'n' );
+ $result->addValue( 'query', 'normalized', $normValues );
}
-
+
+ // Title conversions
+ $convValues = array();
+ foreach ( $pageSet->getConvertedTitles() as $rawTitleStr => $titleStr ) {
+ $convValues[] = array(
+ 'from' => $rawTitleStr,
+ 'to' => $titleStr
+ );
+ }
+
+ if ( count( $convValues ) ) {
+ $result->setIndexedTagName( $convValues, 'c' );
+ $result->addValue( 'query', 'converted', $convValues );
+ }
+
// Interwiki titles
- $intrwValues = array ();
- foreach ($pageSet->getInterwikiTitles() as $rawTitleStr => $interwikiStr) {
- $intrwValues[] = array (
+ $intrwValues = array();
+ foreach ( $pageSet->getInterwikiTitles() as $rawTitleStr => $interwikiStr ) {
+ $intrwValues[] = array(
'title' => $rawTitleStr,
'iw' => $interwikiStr
);
}
- if (!empty ($intrwValues)) {
- $result->setIndexedTagName($intrwValues, 'i');
- $result->addValue('query', 'interwiki', $intrwValues);
+ if ( count( $intrwValues ) ) {
+ $result->setIndexedTagName( $intrwValues, 'i' );
+ $result->addValue( 'query', 'interwiki', $intrwValues );
}
-
+
// Show redirect information
- $redirValues = array ();
- foreach ($pageSet->getRedirectTitles() as $titleStrFrom => $titleStrTo) {
- $redirValues[] = array (
- 'from' => strval($titleStrFrom),
+ $redirValues = array();
+ foreach ( $pageSet->getRedirectTitles() as $titleStrFrom => $titleStrTo ) {
+ $redirValues[] = array(
+ 'from' => strval( $titleStrFrom ),
'to' => $titleStrTo
);
}
- if (!empty ($redirValues)) {
- $result->setIndexedTagName($redirValues, 'r');
- $result->addValue('query', 'redirects', $redirValues);
+ if ( count( $redirValues ) ) {
+ $result->setIndexedTagName( $redirValues, 'r' );
+ $result->addValue( 'query', 'redirects', $redirValues );
}
- //
// Missing revision elements
- //
$missingRevIDs = $pageSet->getMissingRevisionIDs();
- if (!empty ($missingRevIDs)) {
- $revids = array ();
- foreach ($missingRevIDs as $revid) {
- $revids[$revid] = array (
+ if ( count( $missingRevIDs ) ) {
+ $revids = array();
+ foreach ( $missingRevIDs as $revid ) {
+ $revids[$revid] = array(
'revid' => $revid
);
}
- $result->setIndexedTagName($revids, 'rev');
- $result->addValue('query', 'badrevids', $revids);
+ $result->setIndexedTagName( $revids, 'rev' );
+ $result->addValue( 'query', 'badrevids', $revids );
}
- //
// Page elements
- //
- $pages = array ();
+ $pages = array();
// Report any missing titles
- foreach ($pageSet->getMissingTitles() as $fakeId => $title) {
+ foreach ( $pageSet->getMissingTitles() as $fakeId => $title ) {
$vals = array();
- ApiQueryBase :: addTitleInfo($vals, $title);
+ ApiQueryBase::addTitleInfo( $vals, $title );
$vals['missing'] = '';
$pages[$fakeId] = $vals;
}
// Report any invalid titles
- foreach ($pageSet->getInvalidTitles() as $fakeId => $title)
- $pages[$fakeId] = array('title' => $title, 'invalid' => '');
+ foreach ( $pageSet->getInvalidTitles() as $fakeId => $title ) {
+ $pages[$fakeId] = array( 'title' => $title, 'invalid' => '' );
+ }
// Report any missing page ids
- foreach ($pageSet->getMissingPageIDs() as $pageid) {
- $pages[$pageid] = array (
+ foreach ( $pageSet->getMissingPageIDs() as $pageid ) {
+ $pages[$pageid] = array(
'pageid' => $pageid,
'missing' => ''
);
}
+ // Report special pages
+ foreach ( $pageSet->getSpecialTitles() as $fakeId => $title ) {
+ $vals = array();
+ ApiQueryBase::addTitleInfo( $vals, $title );
+ $vals['special'] = '';
+ if ( $title->getNamespace() == NS_SPECIAL &&
+ !SpecialPage::exists( $title->getDbKey() ) ) {
+ $vals['missing'] = '';
+ } elseif ( $title->getNamespace() == NS_MEDIA &&
+ !wfFindFile( $title ) ) {
+ $vals['missing'] = '';
+ }
+ $pages[$fakeId] = $vals;
+ }
// Output general page information for found titles
- foreach ($pageSet->getGoodTitles() as $pageid => $title) {
+ foreach ( $pageSet->getGoodTitles() as $pageid => $title ) {
$vals = array();
$vals['pageid'] = $pageid;
- ApiQueryBase :: addTitleInfo($vals, $title);
+ ApiQueryBase::addTitleInfo( $vals, $title );
$pages[$pageid] = $vals;
}
- if (!empty ($pages)) {
-
- if ($this->params['indexpageids']) {
- $pageIDs = array_keys($pages);
+ if ( count( $pages ) ) {
+ if ( $this->params['indexpageids'] ) {
+ $pageIDs = array_keys( $pages );
// json treats all map keys as strings - converting to match
- $pageIDs = array_map('strval', $pageIDs);
- $result->setIndexedTagName($pageIDs, 'id');
- $result->addValue('query', 'pageids', $pageIDs);
+ $pageIDs = array_map( 'strval', $pageIDs );
+ $result->setIndexedTagName( $pageIDs, 'id' );
+ $result->addValue( 'query', 'pageids', $pageIDs );
}
-
- $result->setIndexedTagName($pages, 'page');
- $result->addValue('query', 'pages', $pages);
+
+ $result->setIndexedTagName( $pages, 'page' );
+ $result->addValue( 'query', 'pages', $pages );
+ }
+ if ( $this->params['export'] ) {
+ $this->doExport( $pageSet, $result );
}
}
/**
- * For generator mode, execute generator, and use its output as new pageSet
+ * @param $pageSet ApiPageSet Pages to be exported
+ * @param $result ApiResult Result to output to
*/
- protected function executeGeneratorModule($generatorName, $modules) {
+ private function doExport( $pageSet, $result ) {
+ $exportTitles = array();
+ $titles = $pageSet->getGoodTitles();
+ if ( count( $titles ) ) {
+ foreach ( $titles as $title ) {
+ if ( $title->userCanRead() ) {
+ $exportTitles[] = $title;
+ }
+ }
+ }
+ // only export when there are titles
+ if ( !count( $exportTitles ) ) {
+ return;
+ }
+ $exporter = new WikiExporter( $this->getDB() );
+ // WikiExporter writes to stdout, so catch its
+ // output with an ob
+ ob_start();
+ $exporter->openStream();
+ foreach ( $exportTitles as $title ) {
+ $exporter->pageByTitle( $title );
+ }
+ $exporter->closeStream();
+ $exportxml = ob_get_contents();
+ ob_end_clean();
+
+ // Don't check the size of exported stuff
+ // It's not continuable, so it would cause more
+ // problems than it'd solve
+ $result->disableSizeCheck();
+ if ( $this->params['exportnowrap'] ) {
+ $result->reset();
+ // Raw formatter will handle this
+ $result->addValue( null, 'text', $exportxml );
+ $result->addValue( null, 'mime', 'text/xml' );
+ } else {
+ $r = array();
+ ApiResult::setContent( $r, $exportxml );
+ $result->addValue( 'query', 'export', $r );
+ }
+ $result->enableSizeCheck();
+ }
+
+ /**
+ * Create a generator object of the given type and return it
+ * @param $generatorName string Module name
+ * @return ApiQueryGeneratorBase
+ */
+ public function newGenerator( $generatorName ) {
// Find class that implements requested generator
- if (isset ($this->mQueryListModules[$generatorName])) {
+ if ( isset( $this->mQueryListModules[$generatorName] ) ) {
$className = $this->mQueryListModules[$generatorName];
- } elseif (isset ($this->mQueryPropModules[$generatorName])) {
+ } elseif ( isset( $this->mQueryPropModules[$generatorName] ) ) {
$className = $this->mQueryPropModules[$generatorName];
} else {
- ApiBase :: dieDebug(__METHOD__, "Unknown generator=$generatorName");
+ ApiBase::dieDebug( __METHOD__, "Unknown generator=$generatorName" );
+ }
+ $generator = new $className ( $this, $generatorName );
+ if ( !$generator instanceof ApiQueryGeneratorBase ) {
+ $this->dieUsage( "Module $generatorName cannot be used as a generator", 'badgenerator' );
}
-
- // Generator results
- $resultPageSet = new ApiPageSet($this, $this->redirects);
-
- // Create and execute the generator
- $generator = new $className ($this, $generatorName);
- if (!$generator instanceof ApiQueryGeneratorBase)
- $this->dieUsage("Module $generatorName cannot be used as a generator", "badgenerator");
-
$generator->setGeneratorMode();
+ return $generator;
+ }
+
+ /**
+ * For generator mode, execute generator, and use its output as new
+ * ApiPageSet
+ * @param $generator ApiQueryGeneratorBase Generator Module
+ * @param $modules array of module objects
+ */
+ protected function executeGeneratorModule( $generator, $modules ) {
+ // Generator results
+ $resultPageSet = new ApiPageSet( $this, $this->redirects, $this->convertTitles );
// Add any additional fields modules may need
- $generator->requestExtraData($this->mPageSet);
- $this->addCustomFldsToPageSet($modules, $resultPageSet);
+ $generator->requestExtraData( $this->mPageSet );
+ $this->addCustomFldsToPageSet( $modules, $resultPageSet );
// Populate page information with the original user input
$this->mPageSet->execute();
// populate resultPageSet with the generator output
$generator->profileIn();
- $generator->executeGenerator($resultPageSet);
+ $generator->executeGenerator( $resultPageSet );
+ wfRunHooks( 'APIQueryGeneratorAfterExecute', array( &$generator, &$resultPageSet ) );
$resultPageSet->finishPageSetGeneration();
$generator->profileOut();
$this->mPageSet = $resultPageSet;
}
- /**
- * Returns the list of allowed parameters for this module.
- * Qurey module also lists all ApiPageSet parameters as its own.
- */
public function getAllowedParams() {
- return array (
- 'prop' => array (
- ApiBase :: PARAM_ISMULTI => true,
- ApiBase :: PARAM_TYPE => $this->mPropModuleNames
+ return array(
+ 'prop' => array(
+ ApiBase::PARAM_ISMULTI => true,
+ ApiBase::PARAM_TYPE => $this->mPropModuleNames
),
- 'list' => array (
- ApiBase :: PARAM_ISMULTI => true,
- ApiBase :: PARAM_TYPE => $this->mListModuleNames
+ 'list' => array(
+ ApiBase::PARAM_ISMULTI => true,
+ ApiBase::PARAM_TYPE => $this->mListModuleNames
),
- 'meta' => array (
- ApiBase :: PARAM_ISMULTI => true,
- ApiBase :: PARAM_TYPE => $this->mMetaModuleNames
+ 'meta' => array(
+ ApiBase::PARAM_ISMULTI => true,
+ ApiBase::PARAM_TYPE => $this->mMetaModuleNames
),
- 'generator' => array (
- ApiBase :: PARAM_TYPE => $this->mAllowedGenerators
+ 'generator' => array(
+ ApiBase::PARAM_TYPE => $this->mAllowedGenerators
),
'redirects' => false,
+ 'converttitles' => false,
'indexpageids' => false,
+ 'export' => false,
+ 'exportnowrap' => false,
);
}
/**
* Override the parent to generate help messages for all available query modules.
+ * @return string
*/
public function makeHelpMsg() {
-
$msg = '';
// Make sure the internal object is empty
// (just in case a sub-module decides to optimize during instantiation)
$this->mPageSet = null;
- $this->mAllowedGenerators = array(); // Will be repopulated
-
- $astriks = str_repeat('--- ', 8);
- $astriks2 = str_repeat('*** ', 10);
- $msg .= "\n$astriks Query: Prop $astriks\n\n";
- $msg .= $this->makeHelpMsgHelper($this->mQueryPropModules, 'prop');
- $msg .= "\n$astriks Query: List $astriks\n\n";
- $msg .= $this->makeHelpMsgHelper($this->mQueryListModules, 'list');
- $msg .= "\n$astriks Query: Meta $astriks\n\n";
- $msg .= $this->makeHelpMsgHelper($this->mQueryMetaModules, 'meta');
- $msg .= "\n\n$astriks2 Modules: continuation $astriks2\n\n";
+ $this->mAllowedGenerators = array(); // Will be repopulated
+
+ $querySeparator = str_repeat( '--- ', 12 );
+ $moduleSeparator = str_repeat( '*** ', 14 );
+ $msg .= "\n$querySeparator Query: Prop $querySeparator\n\n";
+ $msg .= $this->makeHelpMsgHelper( $this->mQueryPropModules, 'prop' );
+ $msg .= "\n$querySeparator Query: List $querySeparator\n\n";
+ $msg .= $this->makeHelpMsgHelper( $this->mQueryListModules, 'list' );
+ $msg .= "\n$querySeparator Query: Meta $querySeparator\n\n";
+ $msg .= $this->makeHelpMsgHelper( $this->mQueryMetaModules, 'meta' );
+ $msg .= "\n\n$moduleSeparator Modules: continuation $moduleSeparator\n\n";
// Perform the base call last because the $this->mAllowedGenerators
// will be updated inside makeHelpMsgHelper()
// Use parent to make default message for the query module
- $msg = parent :: makeHelpMsg() . $msg;
+ $msg = parent::makeHelpMsg() . $msg;
return $msg;
}
/**
* For all modules in $moduleList, generate help messages and join them together
+ * @param $moduleList Array array(modulename => classname)
+ * @param $paramName string Parameter name
+ * @return string
*/
- private function makeHelpMsgHelper($moduleList, $paramName) {
-
- $moduleDscriptions = array ();
+ private function makeHelpMsgHelper( $moduleList, $paramName ) {
+ $moduleDescriptions = array();
- foreach ($moduleList as $moduleName => $moduleClass) {
- $module = new $moduleClass ($this, $moduleName, null);
+ foreach ( $moduleList as $moduleName => $moduleClass ) {
+ $module = new $moduleClass( $this, $moduleName, null );
- $msg = ApiMain::makeHelpMsgHeader($module, $paramName);
+ $msg = ApiMain::makeHelpMsgHeader( $module, $paramName );
$msg2 = $module->makeHelpMsg();
- if ($msg2 !== false)
+ if ( $msg2 !== false ) {
$msg .= $msg2;
- if ($module instanceof ApiQueryGeneratorBase) {
+ }
+ if ( $module instanceof ApiQueryGeneratorBase ) {
$this->mAllowedGenerators[] = $moduleName;
$msg .= "Generator:\n This module may be used as a generator\n";
}
- $moduleDscriptions[] = $msg;
+ $moduleDescriptions[] = $msg;
}
- return implode("\n", $moduleDscriptions);
+ return implode( "\n", $moduleDescriptions );
}
/**
* Override to add extra parameters from PageSet
+ * @return string
*/
public function makeHelpMsgParameters() {
- $psModule = new ApiPageSet($this);
- return $psModule->makeHelpMsgParameters() . parent :: makeHelpMsgParameters();
+ $psModule = new ApiPageSet( $this );
+ return $psModule->makeHelpMsgParameters() . parent::makeHelpMsgParameters();
}
-
- // @todo should work correctly
+
public function shouldCheckMaxlag() {
return true;
}
public function getParamDescription() {
- return array (
- 'prop' => 'Which properties to get for the titles/revisions/pageids',
- 'list' => 'Which lists to get',
- 'meta' => 'Which meta data to get about the site',
- 'generator' => 'Use the output of a list as the input for other prop/list/meta items',
+ return array(
+ 'prop' => 'Which properties to get for the titles/revisions/pageids. Module help is available below',
+ 'list' => 'Which lists to get. Module help is available below',
+ 'meta' => 'Which metadata to get about the site. Module help is available below',
+ 'generator' => array( 'Use the output of a list as the input for other prop/list/meta items',
+ 'NOTE: generator parameter names must be prefixed with a \'g\', see examples' ),
'redirects' => 'Automatically resolve redirects',
- 'indexpageids' => 'Include an additional pageids section listing all returned page IDs.'
+ 'converttitles' => array( "Convert titles to other variants if necessary. Only works if the wiki's content language supports variant conversion.",
+ 'Languages that support variant conversion include kk, ku, gan, tg, sr, zh' ),
+ 'indexpageids' => 'Include an additional pageids section listing all returned page IDs',
+ 'export' => 'Export the current revisions of all given or generated pages',
+ 'exportnowrap' => 'Return the export XML without wrapping it in an XML result (same format as Special:Export). Can only be used with export',
);
}
public function getDescription() {
- return array (
+ return array(
'Query API module allows applications to get needed pieces of data from the MediaWiki databases,',
- 'and is loosely based on the Query API interface currently available on all MediaWiki servers.',
- 'All data modifications will first have to use query to acquire a token to prevent abuse from malicious sites.'
+ 'and is loosely based on the old query.php interface.',
+ 'All data modifications will first have to use query to acquire a token to prevent abuse from malicious sites'
);
}
+ public function getPossibleErrors() {
+ return array_merge( parent::getPossibleErrors(), array(
+ array( 'code' => 'badgenerator', 'info' => 'Module $generatorName cannot be used as a generator' ),
+ ) );
+ }
+
protected function getExamples() {
- return array (
- 'api.php?action=query&prop=revisions&meta=siteinfo&titles=Main%20Page&rvprop=user|comment'
+ return array(
+ 'api.php?action=query&prop=revisions&meta=siteinfo&titles=Main%20Page&rvprop=user|comment',
+ 'api.php?action=query&generator=allpages&gapprefix=API/&prop=revisions',
);
}
public function getVersion() {
- $psModule = new ApiPageSet($this);
- $vers = array ();
+ $psModule = new ApiPageSet( $this );
+ $vers = array();
$vers[] = __CLASS__ . ': $Id$';
$vers[] = $psModule->getVersion();
return $vers;
}
}
-