|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
namespace Wikibase\InternalSerialization\Deserializers; |
|
4
|
|
|
|
|
5
|
|
|
use DataValues\DataValue; |
|
6
|
|
|
use DataValues\UnDeserializableValue; |
|
7
|
|
|
use Deserializers\Deserializer; |
|
8
|
|
|
use Deserializers\Exceptions\DeserializationException; |
|
9
|
|
|
use LogicException; |
|
10
|
|
|
use Wikibase\DataModel\Snak\PropertyNoValueSnak; |
|
11
|
|
|
use Wikibase\DataModel\Snak\PropertySomeValueSnak; |
|
12
|
|
|
use Wikibase\DataModel\Snak\PropertyValueSnak; |
|
13
|
|
|
use Wikibase\DataModel\Snak\Snak; |
|
14
|
|
|
|
|
15
|
|
|
/** |
|
16
|
|
|
* @license GPL-2.0-or-later |
|
17
|
|
|
* @author Jeroen De Dauw < [email protected] > |
|
18
|
|
|
*/ |
|
19
|
|
|
class LegacySnakDeserializer implements Deserializer { |
|
20
|
|
|
|
|
21
|
|
|
/** |
|
22
|
|
|
* @var Deserializer |
|
23
|
|
|
*/ |
|
24
|
|
|
private $dataValueDeserializer; |
|
25
|
|
|
|
|
26
|
16 |
|
public function __construct( Deserializer $dataValueDeserializer ) { |
|
27
|
16 |
|
$this->dataValueDeserializer = $dataValueDeserializer; |
|
28
|
16 |
|
} |
|
29
|
|
|
|
|
30
|
|
|
/** |
|
31
|
|
|
* @param array $serialization |
|
32
|
|
|
* |
|
33
|
|
|
* @return Snak |
|
34
|
|
|
* @throws DeserializationException |
|
35
|
|
|
* @throws LogicException |
|
36
|
|
|
*/ |
|
37
|
16 |
|
public function deserialize( $serialization ) { |
|
38
|
16 |
|
$this->assertStructureIsValid( $serialization ); |
|
39
|
|
|
|
|
40
|
4 |
|
switch ( $serialization[0] ) { |
|
41
|
4 |
|
case 'novalue': |
|
42
|
1 |
|
return new PropertyNoValueSnak( $serialization[1] ); |
|
43
|
3 |
|
case 'somevalue': |
|
44
|
1 |
|
return new PropertySomeValueSnak( $serialization[1] ); |
|
45
|
2 |
|
case 'value': |
|
46
|
2 |
|
return $this->deserializeValueSnak( $serialization ); |
|
47
|
|
|
// @codeCoverageIgnoreStart |
|
48
|
|
|
default: |
|
49
|
|
|
throw new LogicException(); |
|
50
|
|
|
} |
|
51
|
|
|
// @codeCoverageIgnoreEnd |
|
52
|
|
|
} |
|
53
|
|
|
|
|
54
|
2 |
|
private function deserializeValueSnak( array $serialization ) { |
|
55
|
|
|
try { |
|
56
|
2 |
|
$dataValue = $this->dataValueDeserializer->deserialize( |
|
57
|
|
|
array( |
|
58
|
2 |
|
'type' => $serialization[2], |
|
59
|
2 |
|
'value' => $serialization[3], |
|
60
|
|
|
) |
|
61
|
|
|
); |
|
62
|
1 |
|
} catch ( DeserializationException $ex ) { |
|
63
|
1 |
|
$dataValue = new UnDeserializableValue( $serialization[3], $serialization[2], $ex->getMessage() ); |
|
64
|
|
|
} |
|
65
|
|
|
|
|
66
|
|
|
/** |
|
67
|
|
|
* @var DataValue $dataValue |
|
68
|
|
|
*/ |
|
69
|
2 |
|
return new PropertyValueSnak( $serialization[1], $dataValue ); |
|
70
|
|
|
} |
|
71
|
|
|
|
|
72
|
16 |
|
private function assertStructureIsValid( $serialization ) { |
|
73
|
16 |
|
if ( !is_array( $serialization ) || $serialization === array() ) { |
|
74
|
2 |
|
throw new DeserializationException( 'Serialization should be a non-empty array' ); |
|
75
|
|
|
} |
|
76
|
|
|
|
|
77
|
14 |
|
if ( $serialization[0] === 'value' ) { |
|
78
|
5 |
|
$this->assertIsValueSnak( $serialization ); |
|
79
|
|
|
} else { |
|
80
|
9 |
|
$this->assertIsNonValueSnak( $serialization ); |
|
81
|
|
|
} |
|
82
|
|
|
|
|
83
|
7 |
|
$this->assertIsPropertyId( $serialization[1] ); |
|
84
|
4 |
|
} |
|
85
|
|
|
|
|
86
|
5 |
|
private function assertIsValueSnak( array $serialization ) { |
|
87
|
5 |
|
if ( count( $serialization ) != 4 ) { |
|
88
|
3 |
|
throw new DeserializationException( 'Value snaks need to have 4 elements' ); |
|
89
|
|
|
} |
|
90
|
2 |
|
} |
|
91
|
|
|
|
|
92
|
9 |
|
private function assertIsNonValueSnak( array $serialization ) { |
|
93
|
9 |
|
if ( count( $serialization ) != 2 ) { |
|
94
|
2 |
|
throw new DeserializationException( 'Non-value snaks need to have 2 elements' ); |
|
95
|
|
|
} |
|
96
|
|
|
|
|
97
|
7 |
|
if ( !in_array( $serialization[0], array( 'novalue', 'somevalue' ) ) ) { |
|
98
|
2 |
|
throw new DeserializationException( 'Unknown snak type' ); |
|
99
|
|
|
} |
|
100
|
5 |
|
} |
|
101
|
|
|
|
|
102
|
7 |
|
private function assertIsPropertyId( $idSerialization ) { |
|
103
|
7 |
|
if ( !is_int( $idSerialization ) || $idSerialization < 1 ) { |
|
104
|
3 |
|
throw new DeserializationException( 'Property id needs to be an int bigger than 0' ); |
|
105
|
|
|
} |
|
106
|
4 |
|
} |
|
107
|
|
|
|
|
108
|
|
|
} |
|
109
|
|
|
|
