blob: 4931ebb7884c642d84bd863a84b2651c775dde3c (
plain)
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
|
<?php
namespace SMW\Lang;
use RuntimeException;
/**
* @license GNU GPL v2+
* @since 2.5
*
* @author mwjames
*/
class FallbackFinder {
/**
* @var JsonContentsFileReader
*/
private $jsonContentsFileReader;
/**
* @var string
*/
private $canonicalFallbackLanguageCode = 'en';
/**
* @var array
*/
private $fallbackLanguages = [];
/**
* @since 2.5
*
* @param JsonContentsFileReader $jsonContentsFileReader
*/
public function __construct( JsonContentsFileReader $jsonContentsFileReader ) {
$this->jsonContentsFileReader = $jsonContentsFileReader;
}
/**
* @since 2.5
*/
public function emptyByLanguageCode( $languageCode ) {
unset( $this->fallbackLanguages[strtolower( trim( $languageCode ) )] );
}
/**
* @since 2.5
*
* @return string
*/
public function getCanonicalFallbackLanguageCode() {
return $this->canonicalFallbackLanguageCode;
}
/**
* @since 2.5
*
* @param string $languageCode
*
* @return string
*/
public function getFallbackLanguageBy( $languageCode = '' ) {
$languageCode = strtolower( trim( $languageCode ) );
if ( isset( $this->fallbackLanguages[$languageCode] ) ) {
return $this->fallbackLanguages[$languageCode];
}
$index = 'fallback_language';
// Unknown, use the default
if ( $languageCode === '' ) {
return $this->canonicalFallbackLanguageCode;
}
try {
$contents = $this->jsonContentsFileReader->readByLanguageCode( $languageCode );
} catch ( RuntimeException $e ) {
$this->fallbackLanguages[$languageCode] = $this->canonicalFallbackLanguageCode;
}
// Get customized fallbackLanguage
if ( isset( $contents[$index] ) ) {
$this->fallbackLanguages[$languageCode] = $contents[$index];
}
// The ultimate defense line, fallback was not set, or is false or empty
// which means use the canonicalFallbackLanguageCode
if (
!isset( $contents[$index] ) ||
$this->fallbackLanguages[$languageCode] === false ||
$this->fallbackLanguages[$languageCode] === '' ) {
$this->fallbackLanguages[$languageCode] = $this->canonicalFallbackLanguageCode;
}
return $this->fallbackLanguages[$languageCode];
}
}
|
