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                 $r = array();
  45                 if(is_array($params['modules']))
  46                 {
  47                         $modArr = $this->getMain()->getModules();
  48                         foreach($params['modules'] as $m)
  49                         {
  50                                 if(!isset($modArr[$m]))
  51                                 {
  52                                         $r['modules'][] = array('name' => $m, 'missing' => '');
  53                                         continue;
  54                                 }
  55                                 $obj = new $modArr[$m]($this->getMain(), $m);
  56                                 $a = $this->getClassInfo($obj);
  57                                 $a['name'] = $m;
  58                                 $r['modules'][] = $a;
  59                         }
  60                         $result->setIndexedTagName($r['modules'], 'module');
  61                 }
  62                 if(is_array($params['querymodules']))
  63                 {
  64                         $queryObj = new ApiQuery($this->getMain(), 'query');
  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                 $result->addValue(null, $this->getModuleName(), $r);
  81         }
  82
  83         function getClassInfo($obj)
  84         {
  85                 $result = $this->getResult();
  86                 $retval['classname'] = get_class($obj);
  87                 $retval['description'] = (is_array($obj->getDescription()) ? implode("\n", $obj->getDescription()) : $obj->getDescription());
  88                 $retval['prefix'] = $obj->getModulePrefix();
  89                 $allowedParams = $obj->getAllowedParams();
  90                 if(!is_array($allowedParams))
  91                         return $retval;
  92                 $retval['parameters'] = array();
  93                 $paramDesc = $obj->getParamDescription();
  94                 foreach($obj->getAllowedParams() as $n => $p)
  95                 {
  96                         $a = array('name' => $n);
  97                         if(!is_array($p))
  98                         {
  99                                 if(is_bool($p))
 100                                 {
 101                                         $a['type'] = 'bool';
 102                                         $a['default'] = ($p ? 'true' : 'false');
 103                                 }
 104                                 if(is_string($p))
 105                                         $a['default'] = $p;
 106                                 $retval['parameters'][] = $a;
 107                                 continue;
 108                         }
 109
 110                         if(isset($p[ApiBase::PARAM_DFLT]))
 111                                 $a['default'] = $p[ApiBase::PARAM_DFLT];
 112                         if(isset($p[ApiBase::PARAM_ISMULTI]))
 113                                 if($p[ApiBase::PARAM_ISMULTI])
 114                                         $a['multi'] = '';
 115                         if(isset($p[ApiBase::PARAM_TYPE]))
 116                         {
 117                                 $a['type'] = $p[ApiBase::PARAM_TYPE];
 118                                 if(is_array($a['type']))
 119                                         $result->setIndexedTagName($a['type'], 't');
 120                         }
 121                         if(isset($p[ApiBase::PARAM_MAX]))
 122                                 $a['max'] = $p[ApiBase::PARAM_MAX];
 123                         if(isset($p[ApiBase::PARAM_MAX2]))
 124                                 $a['highmax'] = $p[ApiBase::PARAM_MAX2];
 125                         if(isset($p[ApiBase::PARAM_MIN]))
 126                                 $a['min'] = $p[ApiBase::PARAM_MIN];
 127                         if(isset($paramDesc[$n]))
 128                                 $a['description'] = (is_array($paramDesc[$n]) ? implode("\n", $paramDesc[$n]) : $paramDesc[$n]);
 129                         $retval['parameters'][] = $a;
 130                 }
 131                 $result->setIndexedTagName($retval['parameters'], 'param');
 132                 return $retval;
 133         }
 134
 135         public function getAllowedParams() {
 136                 return array (
 137                         'modules' => array(
 138                                 ApiBase :: PARAM_ISMULTI => true
 139                         ),
 140                         'querymodules' => array(
 141                                 ApiBase :: PARAM_ISMULTI => true
 142                         )
 143                 );
 144         }
 145
 146         public function getParamDescription() {
 147                 return array (
 148                         'modules' => 'List of module names (value of the action= parameter)',
 149                         'querymodules' => 'List of query module names (value of prop=, meta= or list= parameter)',
 150                 );
 151         }
 152
 153         public function getDescription() {
 154                 return 'Obtain information about certain API parameters';
 155         }
 156
 157         protected function getExamples() {
 158                 return array (
 159                         'api.php?action=paraminfo&modules=parse&querymodules=allpages|siteinfo'
 160                 );
 161         }
 162
 163         public function getVersion() {
 164                 return __CLASS__ . ': $Id$';
 165         }
 166 }