includes/api/ApiParamInfo.php

   1 <?php
   2
   3 /*
   4  * Created on Dec 01, 2007
   5  *
   6  * API for MediaWiki 1.8+
   7  *
   8  * Copyright (C) 2008 Roan Kattouw <Firstname>.<Lastname>@home.nl
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License along
  21  * with this program; if not, write to the Free Software Foundation, Inc.,
  22  * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  23  * http://www.gnu.org/copyleft/gpl.html
  24  */
  25
  26 if (!defined('MEDIAWIKI')) {
  27         // Eclipse helper - will be ignored in production
  28         require_once ("ApiBase.php");
  29 }
  30
  31 /**
  32  * @ingroup API
  33  */
  34 class ApiParamInfo extends ApiBase {
  35
  36         public function __construct($main, $action) {
  37                 parent :: __construct($main, $action);
  38         }
  39
  40         public function execute() {
  41                 // Get parameters
  42                 $params = $this->extractRequestParams();
  43                 $result = $this->getResult();
  44                 $queryObj = new ApiQuery($this->getMain(), 'query');
  45                 $r = array();
  46                 if(is_array($params['modules']))
  47                 {
  48                         $modArr = $this->getMain()->getModules();
  49                         foreach($params['modules'] as $m)
  50                         {
  51                                 if(!isset($modArr[$m]))
  52                                 {
  53                                         $r['modules'][] = array('name' => $m, 'missing' => '');
  54                                         continue;
  55                                 }
  56                                 $obj = new $modArr[$m]($this->getMain(), $m);
  57                                 $a = $this->getClassInfo($obj);
  58                                 $a['name'] = $m;
  59                                 $r['modules'][] = $a;
  60                         }
  61                         $result->setIndexedTagName($r['modules'], 'module');
  62                 }
  63                 if(is_array($params['querymodules']))
  64                 {
  65                         $qmodArr = $queryObj->getModules();
  66                         foreach($params['querymodules'] as $qm)
  67                         {
  68                                 if(!isset($qmodArr[$qm]))
  69                                 {
  70                                         $r['querymodules'][] = array('name' => $qm, 'missing' => '');
  71                                         continue;
  72                                 }
  73                                 $obj = new $qmodArr[$qm]($this, $qm);
  74                                 $a = $this->getClassInfo($obj);
  75                                 $a['name'] = $qm;
  76                                 $r['querymodules'][] = $a;
  77                         }
  78                         $result->setIndexedTagName($r['querymodules'], 'module');
  79                 }
  80                 if($params['mainmodule'])
  81                         $r['mainmodule'] = $this->getClassInfo($this->getMain());
  82                 if($params['pagesetmodule'])
  83                 {
  84                         $pageSet = new ApiPageSet($queryObj);
  85                         $r['pagesetmodule'] = $this->getClassInfo($pageSet);
  86                 }
  87                 $result->addValue(null, $this->getModuleName(), $r);
  88         }
  89
  90         function getClassInfo($obj)
  91         {
  92                 $result = $this->getResult();
  93                 $retval['classname'] = get_class($obj);
  94                 $retval['description'] = (is_array($obj->getDescription()) ? implode("\n", $obj->getDescription()) : $obj->getDescription());
  95                 $retval['prefix'] = $obj->getModulePrefix();
  96                 $allowedParams = $obj->getFinalParams();
  97                 if(!is_array($allowedParams))
  98                         return $retval;
  99                 $retval['parameters'] = array();
 100                 $paramDesc = $obj->getFinalParamDescription();
 101                 foreach($allowedParams as $n => $p)
 102                 {
 103                         $a = array('name' => $n);
 104                         if(!is_array($p))
 105                         {
 106                                 if(is_bool($p))
 107                                 {
 108                                         $a['type'] = 'bool';
 109                                         $a['default'] = ($p ? 'true' : 'false');
 110                                 }
 111                                 if(is_string($p))
 112                                         $a['default'] = $p;
 113                                 $retval['parameters'][] = $a;
 114                                 continue;
 115                         }
 116
 117                         if(isset($p[ApiBase::PARAM_DFLT]))
 118                                 $a['default'] = $p[ApiBase::PARAM_DFLT];
 119                         if(isset($p[ApiBase::PARAM_ISMULTI]))
 120                                 if($p[ApiBase::PARAM_ISMULTI])
 121                                 {
 122                                         $a['multi'] = '';
 123                                         $a['limit'] = $this->getMain()->canApiHighLimits() ?
 124                                                         ApiBase::LIMIT_SML2 :
 125                                                         ApiBase::LIMIT_SML1;
 126                                 }
 127                         if(isset($p[ApiBase::PARAM_ALLOW_DUPLICATES]))
 128                                 if($p[ApiBase::PARAM_ALLOW_DUPLICATES])
 129                                         $a['allowsduplicates'] = '';
 130                         if(isset($p[ApiBase::PARAM_TYPE]))
 131                         {
 132                                 $a['type'] = $p[ApiBase::PARAM_TYPE];
 133                                 if(is_array($a['type']))
 134                                         $result->setIndexedTagName($a['type'], 't');
 135                         }
 136                         if(isset($p[ApiBase::PARAM_MAX]))
 137                                 $a['max'] = $p[ApiBase::PARAM_MAX];
 138                         if(isset($p[ApiBase::PARAM_MAX2]))
 139                                 $a['highmax'] = $p[ApiBase::PARAM_MAX2];
 140                         if(isset($p[ApiBase::PARAM_MIN]))
 141                                 $a['min'] = $p[ApiBase::PARAM_MIN];
 142                         if(isset($paramDesc[$n]))
 143                                 $a['description'] = (is_array($paramDesc[$n]) ? implode("\n", $paramDesc[$n]) : $paramDesc[$n]);
 144                         $retval['parameters'][] = $a;
 145                 }
 146                 $result->setIndexedTagName($retval['parameters'], 'param');
 147                 return $retval;
 148         }
 149
 150         public function getAllowedParams() {
 151                 return array (
 152                         'modules' => array(
 153                                 ApiBase :: PARAM_ISMULTI => true
 154                         ),
 155                         'querymodules' => array(
 156                                 ApiBase :: PARAM_ISMULTI => true
 157                         ),
 158                         'mainmodule' => false,
 159                         'pagesetmodule' => false,
 160                 );
 161         }
 162
 163         public function getParamDescription() {
 164                 return array (
 165                         'modules' => 'List of module names (value of the action= parameter)',
 166                         'querymodules' => 'List of query module names (value of prop=, meta= or list= parameter)',
 167                         'mainmodule' => 'Get information about the main (top-level) module as well',
 168                         'pagesetmodule' => 'Get information about the pageset module (providing titles= and friends) as well',
 169                 );
 170         }
 171
 172         public function getDescription() {
 173                 return 'Obtain information about certain API parameters';
 174         }
 175
 176         protected function getExamples() {
 177                 return array (
 178                         'api.php?action=paraminfo&modules=parse&querymodules=allpages|siteinfo'
 179                 );
 180         }
 181
 182         public function getVersion() {
 183                 return __CLASS__ . ': $Id$';
 184         }
 185 }