1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
|
<?php
/*
* Created on December 12, 2007
*
* API for MediaWiki 1.8+
*
* Copyright (C) 2007 Roan Kattouw <Firstname>.<Lastname>@home.nl
*
* 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.,
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
* http://www.gnu.org/copyleft/gpl.html
*/
if (!defined('MEDIAWIKI')) {
// Eclipse helper - will be ignored in production
require_once ('ApiQueryBase.php');
}
/**
* Query module to enumerate all categories, even the ones that don't have
* category pages.
*
* @addtogroup API
*/
class ApiQueryAllCategories extends ApiQueryGeneratorBase {
public function __construct($query, $moduleName) {
parent :: __construct($query, $moduleName, 'ac');
}
public function execute() {
$this->run();
}
public function executeGenerator($resultPageSet) {
$this->run($resultPageSet);
}
private function run($resultPageSet = null) {
$db = $this->getDB();
$params = $this->extractRequestParams();
$this->addTables('categorylinks');
$this->addFields('cl_to');
if (!is_null($params['from']))
$this->addWhere('cl_to>=' . $db->addQuotes(ApiQueryBase :: titleToKey($params['from'])));
if (isset ($params['prefix']))
$this->addWhere("cl_to LIKE '" . $db->escapeLike(ApiQueryBase :: titleToKey($params['prefix'])) . "%'");
$this->addOption('LIMIT', $params['limit']+1);
$this->addOption('ORDER BY', 'cl_to' . ($params['dir'] == 'descending' ? ' DESC' : ''));
$this->addOption('DISTINCT');
$res = $this->select(__METHOD__);
$pages = array();
$count = 0;
while ($row = $db->fetchObject($res)) {
if (++ $count > $params['limit']) {
// We've reached the one extra which shows that there are additional cats to be had. Stop here...
// TODO: Security issue - if the user has no right to view next title, it will still be shown
$this->setContinueEnumParameter('from', ApiQueryBase :: keyToTitle($row->cl_to));
break;
}
// Normalize titles
$titleObj = Title::makeTitle(NS_CATEGORY, $row->cl_to);
if(!is_null($resultPageSet))
$pages[] = $titleObj->getPrefixedText();
else
// Don't show "Category:" everywhere in non-generator mode
$pages[] = $titleObj->getText();
}
$db->freeResult($res);
if (is_null($resultPageSet)) {
$result = $this->getResult();
$result->setIndexedTagName($pages, 'c');
$result->addValue('query', $this->getModuleName(), $pages);
} else {
$resultPageSet->populateFromTitles($pages);
}
}
public function getAllowedParams() {
return array (
'from' => null,
'prefix' => null,
'dir' => array(
ApiBase :: PARAM_DFLT => 'ascending',
ApiBase :: PARAM_TYPE => array(
'ascending',
'descending'
),
),
'limit' => array (
ApiBase :: PARAM_DFLT => 10,
ApiBase :: PARAM_TYPE => 'limit',
ApiBase :: PARAM_MIN => 1,
ApiBase :: PARAM_MAX => ApiBase :: LIMIT_BIG1,
ApiBase :: PARAM_MAX2 => ApiBase :: LIMIT_BIG2
)
);
}
public function getParamDescription() {
return array (
'from' => 'The category to start enumerating from.',
'prefix' => 'Search for all category titles that begin with this value.',
'dir' => 'Direction to sort in.',
'limit' => 'How many categories to return.'
);
}
public function getDescription() {
return 'Enumerate all categories';
}
protected function getExamples() {
return array (
'api.php?action=query&generator=allcategories&gacprefix=List&prop=info',
);
}
public function getVersion() {
return __CLASS__ . ': $Id: ApiQueryAllLinks.php 28216 2007-12-06 18:33:18Z vasilievvv $';
}
}
|
