1
|
|
|
<?php |
2
|
|
|
|
3
|
|
|
/** |
4
|
|
|
* File holding the Extensions\Lingo\LingoBackend class |
5
|
|
|
* |
6
|
|
|
* This file is part of the MediaWiki extension Lingo. |
7
|
|
|
* |
8
|
|
|
* @copyright 2011 - 2016, Stephan Gambke |
9
|
|
|
* @license GNU General Public License, version 2 (or any later version) |
10
|
|
|
* |
11
|
|
|
* The Lingo extension is free software: you can redistribute it and/or modify |
12
|
|
|
* it under the terms of the GNU General Public License as published by the Free |
13
|
|
|
* Software Foundation; either version 2 of the License, or (at your option) any |
14
|
|
|
* later version. |
15
|
|
|
* |
16
|
|
|
* The Lingo extension is distributed in the hope that it will be useful, but |
17
|
|
|
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
18
|
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more |
19
|
|
|
* details. |
20
|
|
|
* |
21
|
|
|
* You should have received a copy of the GNU General Public License along |
22
|
|
|
* with this program. If not, see <http://www.gnu.org/licenses/>. |
23
|
|
|
* |
24
|
|
|
* @author Stephan Gambke |
25
|
|
|
* @file |
26
|
|
|
* @ingroup Lingo |
27
|
|
|
*/ |
28
|
|
|
|
29
|
|
|
namespace Extensions\Lingo; |
30
|
|
|
|
31
|
|
|
/** |
32
|
|
|
* The Extensions\Lingo\LingoBackend class. |
33
|
|
|
* |
34
|
|
|
* @ingroup Lingo |
35
|
|
|
*/ |
36
|
|
|
abstract class LingoBackend { |
37
|
|
|
|
38
|
|
|
protected $mMessageLog; |
39
|
|
|
|
40
|
|
|
/** |
41
|
|
|
* Extensions\Lingo\LingoBackend constructor. |
42
|
|
|
* @param LingoMessageLog|null $messages |
43
|
|
|
*/ |
44
|
2 |
|
public function __construct( LingoMessageLog &$messages = null ) { |
45
|
|
|
|
46
|
2 |
|
if ( !$messages ) { |
47
|
2 |
|
$this->mMessageLog = new LingoMessageLog(); |
48
|
2 |
|
} else { |
49
|
|
|
$this->mMessageLog = $messages; |
50
|
|
|
} |
51
|
2 |
|
} |
52
|
|
|
|
53
|
|
|
/** |
54
|
|
|
* @return LingoMessageLog |
55
|
|
|
*/ |
56
|
|
|
public function getMessageLog() { |
57
|
|
|
return $this->mMessageLog; |
58
|
|
|
} |
59
|
|
|
|
60
|
|
|
/** |
61
|
|
|
* This function returns true if the backend is cache-enabled. |
62
|
|
|
* |
63
|
|
|
* Actual caching is done by the parser, but to be cache-enabled the backend |
64
|
|
|
* has to call Extensions\Lingo\LingoParser::purgeCache when necessary. |
65
|
|
|
* |
66
|
|
|
* @return boolean |
67
|
|
|
*/ |
68
|
2 |
|
public function useCache() { |
69
|
2 |
|
return false; |
70
|
|
|
} |
71
|
|
|
|
72
|
|
|
/** |
73
|
|
|
* This function returns the next element. The element is an array of four |
74
|
|
|
* strings: Term, Definition, Link, Source. If there is no next element the |
75
|
|
|
* function returns null. |
76
|
|
|
* |
77
|
|
|
* @return LingoElement | null |
78
|
|
|
*/ |
79
|
|
|
abstract public function next(); |
80
|
|
|
} |
81
|
|
|
|
82
|
|
|
|