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
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
|
<?php
/*
* Created on July 7, 2007
*
* API for MediaWiki 1.8+
*
* Copyright (C) 2006 Yuri Astrakhan <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.,
* 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 links from all pages together.
*
* @addtogroup API
*/
class ApiQueryAllLinks extends ApiQueryGeneratorBase {
public function __construct($query, $moduleName) {
parent :: __construct($query, $moduleName, 'al');
}
public function execute() {
$this->run();
}
public function executeGenerator($resultPageSet) {
$this->run($resultPageSet);
}
private function run($resultPageSet = null) {
$db = $this->getDB();
$params = $this->extractRequestParams();
$prop = array_flip($params['prop']);
$fld_ids = isset($prop['ids']);
$fld_title = isset($prop['title']);
if ($params['unique']) {
if (!is_null($resultPageSet))
$this->dieUsage($this->getModuleName() . ' cannot be used as a generator in unique links mode', 'params');
if ($fld_ids)
$this->dieUsage($this->getModuleName() . ' cannot return corresponding page ids in unique links mode', 'params');
$this->addOption('DISTINCT');
}
$this->addTables('pagelinks');
$this->addWhereFld('pl_namespace', $params['namespace']);
if (!is_null($params['from']))
$this->addWhere('pl_title>=' . $db->addQuotes(ApiQueryBase :: titleToKey($params['from'])));
if (isset ($params['prefix']))
$this->addWhere("pl_title LIKE '" . $db->escapeLike(ApiQueryBase :: titleToKey($params['prefix'])) . "%'");
if (is_null($resultPageSet)) {
$this->addFields(array (
'pl_namespace',
'pl_title'
));
$this->addFieldsIf('pl_from', $fld_ids);
} else {
$this->addFields('pl_from');
$pageids = array();
}
$this->addOption('USE INDEX', 'pl_namespace');
$limit = $params['limit'];
$this->addOption('LIMIT', $limit+1);
$this->addOption('ORDER BY', 'pl_namespace, pl_title');
$res = $this->select(__METHOD__);
$data = array ();
$count = 0;
while ($row = $db->fetchObject($res)) {
if (++ $count > $limit) {
// We've reached the one extra which shows that there are additional pages 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->pl_title));
break;
}
if (is_null($resultPageSet)) {
$vals = array();
if ($fld_ids)
$vals['fromid'] = intval($row->pl_from);
if ($fld_title) {
$title = Title :: makeTitle($row->pl_namespace, $row->pl_title);
$vals['ns'] = intval($title->getNamespace());
$vals['title'] = $title->getPrefixedText();
}
$data[] = $vals;
} else {
$pageids[] = $row->pl_from;
}
}
$db->freeResult($res);
if (is_null($resultPageSet)) {
$result = $this->getResult();
$result->setIndexedTagName($data, 'l');
$result->addValue('query', $this->getModuleName(), $data);
} else {
$resultPageSet->populateFromPageIDs($pageids);
}
}
public function getAllowedParams() {
return array (
'from' => null,
'prefix' => null,
'unique' => false,
'prop' => array (
ApiBase :: PARAM_ISMULTI => true,
ApiBase :: PARAM_DFLT => 'title',
ApiBase :: PARAM_TYPE => array (
'ids',
'title'
)
),
'namespace' => array (
ApiBase :: PARAM_DFLT => 0,
ApiBase :: PARAM_TYPE => 'namespace'
),
'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 page title to start enumerating from.',
'prefix' => 'Search for all page titles that begin with this value.',
'unique' => 'Only show unique links. Cannot be used with generator or prop=ids',
'prop' => 'What pieces of information to include',
'namespace' => 'The namespace to enumerate.',
'limit' => 'How many total links to return.'
);
}
public function getDescription() {
return 'Enumerate all links that point to a given namespace';
}
protected function getExamples() {
return array (
'api.php?action=query&list=alllinks&alunique&alfrom=B',
);
}
public function getVersion() {
return __CLASS__ . ': $Id: ApiQueryAllLinks.php 30222 2008-01-28 19:05:26Z catrope $';
}
}
|
