1
|
|
|
<?php |
2
|
|
|
|
3
|
|
|
namespace Wikibase\DataModel\Services\Diff\Internal; |
4
|
|
|
|
5
|
|
|
use Diff\DiffOp\Diff\Diff; |
6
|
|
|
use Diff\DiffOp\DiffOp; |
7
|
|
|
use Diff\DiffOp\DiffOpAdd; |
8
|
|
|
use Diff\DiffOp\DiffOpChange; |
9
|
|
|
use Diff\DiffOp\DiffOpRemove; |
10
|
|
|
use Diff\Patcher\PatcherException; |
11
|
|
|
use Wikibase\DataModel\Term\AliasGroupList; |
12
|
|
|
|
13
|
|
|
/** |
14
|
|
|
* Package private. |
15
|
|
|
* |
16
|
|
|
* @since 3.6 |
17
|
|
|
* |
18
|
|
|
* @license GPL-2.0-or-later |
19
|
|
|
* @author Jeroen De Dauw < [email protected] > |
20
|
|
|
* @author Thiemo Kreuz |
21
|
|
|
*/ |
22
|
|
|
class AliasGroupListPatcher { |
23
|
|
|
|
24
|
|
|
/** |
25
|
|
|
* @since 3.6 |
26
|
|
|
* |
27
|
|
|
* @param AliasGroupList $groups |
28
|
|
|
* @param Diff $patch |
29
|
|
|
* |
30
|
|
|
* @throws PatcherException |
31
|
|
|
*/ |
32
|
|
|
public function patchAliasGroupList( AliasGroupList $groups, Diff $patch ) { |
33
|
|
|
foreach ( $patch as $lang => $diffOp ) { |
34
|
|
|
$this->patchAliasGroup( $groups, $lang, $diffOp ); |
35
|
|
|
} |
36
|
|
|
} |
37
|
|
|
|
38
|
|
|
/** |
39
|
|
|
* @see Diff\Patcher\MapPatcher |
40
|
|
|
* |
41
|
|
|
* @param AliasGroupList $groups |
42
|
|
|
* @param string $lang |
43
|
|
|
* @param DiffOp $diffOp |
44
|
|
|
* |
45
|
|
|
* @throws PatcherException |
46
|
|
|
*/ |
47
|
|
|
private function patchAliasGroup( AliasGroupList $groups, $lang, DiffOp $diffOp ) { |
48
|
|
|
$hasLang = $groups->hasGroupForLanguage( $lang ); |
49
|
|
|
|
50
|
|
|
switch ( true ) { |
51
|
|
|
case $diffOp instanceof DiffOpAdd: |
52
|
|
|
if ( !$hasLang ) { |
53
|
|
|
$groups->setAliasesForLanguage( $lang, $diffOp->getNewValue() ); |
54
|
|
|
} |
55
|
|
|
break; |
56
|
|
|
|
57
|
|
|
case $diffOp instanceof DiffOpChange: |
58
|
|
|
$this->applyAliasGroupChange( $groups, $lang, $diffOp ); |
59
|
|
|
break; |
60
|
|
|
|
61
|
|
|
case $diffOp instanceof DiffOpRemove: |
62
|
|
|
if ( $hasLang |
63
|
|
|
&& $groups->getByLanguage( $lang )->getAliases() === $diffOp->getOldValue() |
64
|
|
|
) { |
65
|
|
|
$groups->removeByLanguage( $lang ); |
66
|
|
|
} |
67
|
|
|
break; |
68
|
|
|
|
69
|
|
|
case $diffOp instanceof Diff: |
70
|
|
|
$this->applyAliasGroupDiff( $groups, $lang, $diffOp ); |
71
|
|
|
break; |
72
|
|
|
|
73
|
|
|
default: |
74
|
|
|
throw new PatcherException( 'Invalid aliases diff' ); |
75
|
|
|
} |
76
|
|
|
} |
77
|
|
|
|
78
|
|
|
/** |
79
|
|
|
* @param AliasGroupList $groups |
80
|
|
|
* @param string $lang |
81
|
|
|
* @param DiffOpChange $patch |
82
|
|
|
*/ |
83
|
|
|
private function applyAliasGroupChange( AliasGroupList $groups, $lang, DiffOpChange $patch ) { |
84
|
|
|
if ( $groups->hasGroupForLanguage( $lang ) |
85
|
|
|
&& $groups->getByLanguage( $lang )->getAliases() === $patch->getOldValue() |
86
|
|
|
) { |
87
|
|
|
$groups->setAliasesForLanguage( $lang, $patch->getNewValue() ); |
88
|
|
|
} |
89
|
|
|
} |
90
|
|
|
|
91
|
|
|
/** |
92
|
|
|
* @param AliasGroupList $groups |
93
|
|
|
* @param string $lang |
94
|
|
|
* @param Diff $patch |
95
|
|
|
*/ |
96
|
|
|
private function applyAliasGroupDiff( AliasGroupList $groups, $lang, Diff $patch ) { |
97
|
|
|
$hasLang = $groups->hasGroupForLanguage( $lang ); |
98
|
|
|
|
99
|
|
|
if ( $hasLang || !$this->containsOperationsOnOldValues( $patch ) ) { |
100
|
|
|
$aliases = $hasLang ? $groups->getByLanguage( $lang )->getAliases() : []; |
101
|
|
|
$aliases = $this->getPatchedAliases( $aliases, $patch ); |
102
|
|
|
$groups->setAliasesForLanguage( $lang, $aliases ); |
103
|
|
|
} |
104
|
|
|
} |
105
|
|
|
|
106
|
|
|
/** |
107
|
|
|
* @param Diff $diff |
108
|
|
|
* |
109
|
|
|
* @return bool |
110
|
|
|
*/ |
111
|
|
|
private function containsOperationsOnOldValues( Diff $diff ) { |
112
|
|
|
return $diff->getChanges() !== [] |
113
|
|
|
|| $diff->getRemovals() !== []; |
114
|
|
|
} |
115
|
|
|
|
116
|
|
|
/** |
117
|
|
|
* @see ListPatcher |
118
|
|
|
* |
119
|
|
|
* @param string[] $aliases |
120
|
|
|
* @param Diff $patch |
121
|
|
|
* |
122
|
|
|
* @throws PatcherException |
123
|
|
|
* @return string[] |
124
|
|
|
*/ |
125
|
|
|
private function getPatchedAliases( array $aliases, Diff $patch ) { |
126
|
|
|
foreach ( $patch as $diffOp ) { |
127
|
|
|
switch ( true ) { |
128
|
|
|
case $diffOp instanceof DiffOpAdd: |
129
|
|
|
$aliases[] = $diffOp->getNewValue(); |
130
|
|
|
break; |
131
|
|
|
|
132
|
|
|
case $diffOp instanceof DiffOpChange: |
133
|
|
|
$key = array_search( $diffOp->getOldValue(), $aliases, true ); |
134
|
|
|
if ( $key !== false ) { |
135
|
|
|
unset( $aliases[$key] ); |
136
|
|
|
$aliases[] = $diffOp->getNewValue(); |
137
|
|
|
} |
138
|
|
|
break; |
139
|
|
|
|
140
|
|
|
case $diffOp instanceof DiffOpRemove: |
141
|
|
|
$key = array_search( $diffOp->getOldValue(), $aliases, true ); |
142
|
|
|
if ( $key !== false ) { |
143
|
|
|
unset( $aliases[$key] ); |
144
|
|
|
} |
145
|
|
|
break; |
146
|
|
|
|
147
|
|
|
default: |
148
|
|
|
throw new PatcherException( 'Invalid aliases diff' ); |
149
|
|
|
} |
150
|
|
|
} |
151
|
|
|
|
152
|
|
|
return $aliases; |
153
|
|
|
} |
154
|
|
|
|
155
|
|
|
} |
156
|
|
|
|