API: Adding parameter description to action=paraminfo output
[lhc/web/wiklou.git] / 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 * @addtogroup 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 foreach($params['modules'] as $m)
47 {
48 $className = "Api$m";
49 if(!class_exists($className))
50 {
51 $mods[$m] = array('missing' => '');
52 continue;
53 }
54 $obj = new $className($this->getMain(), $m);
55 $r['modules'][$m] = $this->getClassInfo($obj);
56 }
57 if(is_array($params['querymodules']))
58 foreach($params['querymodules'] as $qm)
59 {
60 $className = "ApiQuery$qm";
61 if(!class_exists($className))
62 {
63 $qmods[$qm] = array('missing' => '');
64 continue;
65 }
66 $obj = new $className($this, 'query');
67 $r['querymodules'][$qm] = $this->getClassInfo($obj);
68 }
69 $result->addValue( null, $this->getModuleName(), $r );
70 }
71
72 function getClassInfo($obj)
73 {
74 $result = $this->getResult();
75 $retval['classname'] = get_class($obj);
76 $retval['description'] = (is_array($obj->getDescription()) ? implode("\n", $obj->getDescription()) : $obj->getDescription());
77 $allowedParams = $obj->getAllowedParams();
78 if(!is_array($allowedParams))
79 return $retval;
80 $retval['parameters'] = array();
81 $paramDesc = $obj->getParamDescription();
82 foreach($obj->getAllowedParams() as $n => $p)
83 {
84 $a = array('name' => $n);
85 if(!is_array($p))
86 {
87 if(is_bool($p))
88 {
89 $a['type'] = 'bool';
90 $a['default'] = ($p ? 'true' : 'false');
91 }
92 if(is_string($p))
93 $a['default'] = $p;
94 $retval['parameters'][] = $a;
95 continue;
96 }
97
98 if(isset($p[ApiBase::PARAM_DFLT]))
99 $a['default'] = $p[ApiBase::PARAM_DFLT];
100 if(isset($p[ApiBase::PARAM_ISMULTI]))
101 if($p[ApiBase::PARAM_ISMULTI])
102 $a['multi'] = '';
103 if(isset($p[ApiBase::PARAM_TYPE]))
104 {
105 $a['type'] = $p[ApiBase::PARAM_TYPE];
106 if(is_array($a['type']))
107 $result->setIndexedTagName($a['type'], 't');
108 }
109 if(isset($p[ApiBase::PARAM_MAX]))
110 $a['max'] = $p[ApiBase::PARAM_MAX];
111 if(isset($p[ApiBase::PARAM_MAX2]))
112 $a['highmax'] = $p[ApiBase::PARAM_MAX2];
113 if(isset($p[ApiBase::PARAM_MIN]))
114 $a['min'] = $p[ApiBase::PARAM_MIN];
115 if(isset($paramDesc[$n]))
116 $a['description'] = (is_array($paramDesc[$n]) ? implode("\n", $paramDesc[$n]) : $paramDesc[$n]);
117 $retval['parameters'][] = $a;
118 }
119 $result->setIndexedTagName($retval['parameters'], 'param');
120 return $retval;
121 }
122
123 protected function getAllowedParams() {
124 return array (
125 'modules' => array(
126 ApiBase :: PARAM_ISMULTI => true
127 ),
128 'querymodules' => array(
129 ApiBase :: PARAM_ISMULTI => true
130 )
131 );
132 }
133
134 protected function getParamDescription() {
135 return array (
136 'modules' => 'List of module names (value of the action= parameter)',
137 'querymodules' => 'List of query module names (value of prop=, meta= or list= parameter)',
138 );
139 }
140
141 protected function getDescription() {
142 return 'Obtain information about certain API parameters';
143 }
144
145 protected function getExamples() {
146 return array (
147 'api.php?action=paraminfo&modules=parse&querymodules=allpages|siteinfo'
148 );
149 }
150
151 public function getVersion() {
152 return __CLASS__ . ': $Id: ApiParse.php 29810 2008-01-15 21:33:08Z catrope $';
153 }
154 }
155