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<?php
/**
*
*
* Created on Dec 01, 2007
*
* Copyright © 2008 Roan Kattouw <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
* 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
*/
if ( !defined( 'MEDIAWIKI' ) ) {
// Eclipse helper - will be ignored in production
require_once( "ApiBase.php" );
}
/**
* @ingroup API
*/
class ApiParamInfo extends ApiBase {
public function __construct( $main, $action ) {
parent::__construct( $main, $action );
}
public function execute() {
// Get parameters
$params = $this->extractRequestParams();
$result = $this->getResult();
$queryObj = new ApiQuery( $this->getMain(), 'query' );
$r = array();
if ( is_array( $params['modules'] ) ) {
$modArr = $this->getMain()->getModules();
$r['modules'] = array();
foreach ( $params['modules'] as $m ) {
if ( !isset( $modArr[$m] ) ) {
$r['modules'][] = array( 'name' => $m, 'missing' => '' );
continue;
}
$obj = new $modArr[$m]( $this->getMain(), $m );
$a = $this->getClassInfo( $obj );
$a['name'] = $m;
$r['modules'][] = $a;
}
$result->setIndexedTagName( $r['modules'], 'module' );
}
if ( is_array( $params['querymodules'] ) ) {
$qmodArr = $queryObj->getModules();
$r['querymodules'] = array();
foreach ( $params['querymodules'] as $qm ) {
if ( !isset( $qmodArr[$qm] ) ) {
$r['querymodules'][] = array( 'name' => $qm, 'missing' => '' );
continue;
}
$obj = new $qmodArr[$qm]( $this, $qm );
$a = $this->getClassInfo( $obj );
$a['name'] = $qm;
$a['querytype'] = $queryObj->getModuleType( $qm );
$r['querymodules'][] = $a;
}
$result->setIndexedTagName( $r['querymodules'], 'module' );
}
if ( $params['mainmodule'] ) {
$r['mainmodule'] = $this->getClassInfo( $this->getMain() );
}
if ( $params['pagesetmodule'] ) {
$pageSet = new ApiPageSet( $queryObj );
$r['pagesetmodule'] = $this->getClassInfo( $pageSet );
}
$result->addValue( null, $this->getModuleName(), $r );
}
/**
* @param $obj ApiBase
* @return ApiResult
*/
function getClassInfo( $obj ) {
$result = $this->getResult();
$retval['classname'] = get_class( $obj );
$retval['description'] = implode( "\n", (array)$obj->getDescription() );
$examples = (array)$obj->getExamples();
$retval['examples'] = implode( "\n", $examples );
$retval['version'] = implode( "\n", (array)$obj->getVersion() );
$retval['prefix'] = $obj->getModulePrefix();
if ( $obj->isReadMode() ) {
$retval['readrights'] = '';
}
if ( $obj->isWriteMode() ) {
$retval['writerights'] = '';
}
if ( $obj->mustBePosted() ) {
$retval['mustbeposted'] = '';
}
if ( $obj instanceof ApiQueryGeneratorBase ) {
$retval['generator'] = '';
}
$allowedParams = $obj->getFinalParams();
if ( !is_array( $allowedParams ) ) {
return $retval;
}
$retval['helpurls'] = (array)$obj->getHelpUrls();
if ( isset( $retval['helpurls'][0] ) && $retval['helpurls'][0] === false ) {
$retval['helpurls'] = array();
}
$result->setIndexedTagName( $retval['helpurls'], 'helpurl' );
$retval['allexamples'] = $examples;
if ( isset( $retval['allexamples'][0] ) && $retval['allexamples'][0] === false ) {
$retval['allexamples'] = array();
}
$result->setIndexedTagName( $retval['allexamples'], 'example' );
$retval['parameters'] = array();
$paramDesc = $obj->getFinalParamDescription();
foreach ( $allowedParams as $n => $p ) {
$a = array( 'name' => $n );
if ( isset( $paramDesc[$n] ) ) {
$a['description'] = implode( "\n", (array)$paramDesc[$n] );
}
//handle shorthand
if( !is_array( $p ) ) {
$p = array(
ApiBase::PARAM_DFLT => $p,
);
}
//handle missing type
if ( !isset( $p[ApiBase::PARAM_TYPE] ) ) {
$dflt = isset( $p[ApiBase::PARAM_DFLT] ) ? $p[ApiBase::PARAM_DFLT] : null;
if ( is_bool( $dflt ) ) {
$p[ApiBase::PARAM_TYPE] = 'boolean';
} elseif ( is_string( $dflt ) || is_null( $dflt ) ) {
$p[ApiBase::PARAM_TYPE] = 'string';
} elseif ( is_int( $dflt ) ) {
$p[ApiBase::PARAM_TYPE] = 'integer';
}
}
if ( isset( $p[ApiBase::PARAM_DEPRECATED] ) && $p[ApiBase::PARAM_DEPRECATED] ) {
$a['deprecated'] = '';
}
if ( isset( $p[ApiBase::PARAM_REQUIRED] ) && $p[ApiBase::PARAM_REQUIRED] ) {
$a['required'] = '';
}
if ( isset( $p[ApiBase::PARAM_DFLT] ) ) {
$type = $p[ApiBase::PARAM_TYPE];
if( $type === 'boolean' ) {
$a['default'] = ( $p[ApiBase::PARAM_DFLT] ? 'true' : 'false' );
} elseif( $type === 'string' ) {
$a['default'] = strval( $p[ApiBase::PARAM_DFLT] );
} elseif( $type === 'integer' ) {
$a['default'] = intval( $p[ApiBase::PARAM_DFLT] );
} else {
$a['default'] = $p[ApiBase::PARAM_DFLT];
}
}
if ( isset( $p[ApiBase::PARAM_ISMULTI] ) && $p[ApiBase::PARAM_ISMULTI] ) {
$a['multi'] = '';
$a['limit'] = $this->getMain()->canApiHighLimits() ?
ApiBase::LIMIT_SML2 :
ApiBase::LIMIT_SML1;
$a['lowlimit'] = ApiBase::LIMIT_SML1;
$a['highlimit'] = ApiBase::LIMIT_SML2;
}
if ( isset( $p[ApiBase::PARAM_ALLOW_DUPLICATES] ) && $p[ApiBase::PARAM_ALLOW_DUPLICATES] ) {
$a['allowsduplicates'] = '';
}
if ( isset( $p[ApiBase::PARAM_TYPE] ) ) {
$a['type'] = $p[ApiBase::PARAM_TYPE];
if ( is_array( $a['type'] ) ) {
$a['type'] = array_values( $a['type'] ); // to prevent sparse arrays from being serialized to JSON as objects
$result->setIndexedTagName( $a['type'], 't' );
}
}
if ( isset( $p[ApiBase::PARAM_MAX] ) ) {
$a['max'] = $p[ApiBase::PARAM_MAX];
}
if ( isset( $p[ApiBase::PARAM_MAX2] ) ) {
$a['highmax'] = $p[ApiBase::PARAM_MAX2];
}
if ( isset( $p[ApiBase::PARAM_MIN] ) ) {
$a['min'] = $p[ApiBase::PARAM_MIN];
}
$retval['parameters'][] = $a;
}
$result->setIndexedTagName( $retval['parameters'], 'param' );
// Errors
$retval['errors'] = $this->parseErrors( $obj->getPossibleErrors() );
$result->setIndexedTagName( $retval['errors'], 'error' );
return $retval;
}
public function isReadMode() {
return false;
}
public function getAllowedParams() {
return array(
'modules' => array(
ApiBase::PARAM_ISMULTI => true
),
'querymodules' => array(
ApiBase::PARAM_ISMULTI => true
),
'mainmodule' => false,
'pagesetmodule' => false,
);
}
public function getParamDescription() {
return array(
'modules' => 'List of module names (value of the action= parameter)',
'querymodules' => 'List of query module names (value of prop=, meta= or list= parameter)',
'mainmodule' => 'Get information about the main (top-level) module as well',
'pagesetmodule' => 'Get information about the pageset module (providing titles= and friends) as well',
);
}
public function getDescription() {
return 'Obtain information about certain API parameters and errors';
}
protected function getExamples() {
return array(
'api.php?action=paraminfo&modules=parse&querymodules=allpages|siteinfo'
);
}
public function getHelpUrls() {
return 'https://www.mediawiki.org/wiki/API:Parameter_information';
}
public function getVersion() {
return __CLASS__ . ': $Id: ApiParamInfo.php 104449 2011-11-28 15:52:04Z reedy $';
}
}
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