|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
namespace SEQL; |
|
4
|
|
|
|
|
5
|
|
|
use SMWQuery as Query; |
|
6
|
|
|
|
|
7
|
|
|
/** |
|
8
|
|
|
* @license GNU GPL v2+ |
|
9
|
|
|
* @since 1.0 |
|
10
|
|
|
* |
|
11
|
|
|
* @author mwjames |
|
12
|
|
|
*/ |
|
13
|
|
|
class QueryEncoder { |
|
14
|
|
|
|
|
15
|
|
|
/** |
|
16
|
|
|
* @since 1.0 |
|
17
|
|
|
* |
|
18
|
|
|
* @param Query $query |
|
19
|
|
|
* |
|
20
|
|
|
* @return string |
|
21
|
|
|
*/ |
|
22
|
5 |
|
public static function rawUrlEncode( Query $query ) { |
|
23
|
5 |
|
return rawurlencode( self::encode( $query ) ); |
|
24
|
|
|
} |
|
25
|
|
|
|
|
26
|
|
|
/** |
|
27
|
|
|
* @since 1.0 |
|
28
|
|
|
* |
|
29
|
|
|
* @param Query $query |
|
30
|
|
|
* |
|
31
|
|
|
* @return string |
|
32
|
|
|
*/ |
|
33
|
5 |
|
public static function encode( Query $query ) { |
|
34
|
5 |
|
$serialized = array(); |
|
35
|
|
|
|
|
36
|
5 |
|
$serialized['conditions'] = $query->getQueryString(); |
|
37
|
|
|
|
|
38
|
5 |
|
$serialized['parameters'] = array( |
|
39
|
5 |
|
'limit=' . $query->getLimit(), |
|
40
|
5 |
|
'offset=' . $query->getOffset(), |
|
41
|
5 |
|
'mainlabel=' . $query->getMainlabel(), |
|
42
|
|
|
// 'source=' . $query->getQuerySource() |
|
43
|
|
|
); |
|
44
|
|
|
|
|
45
|
5 |
|
list( $serialized['sort'], $serialized['order'] ) = self::doSerializeSortKeys( $query ); |
|
46
|
5 |
|
$serialized['printouts'] = self::doSerializePrintouts( $query ); |
|
47
|
|
|
|
|
48
|
5 |
|
$encoded = $serialized['conditions'] . '|' . |
|
49
|
5 |
|
( $serialized['printouts'] !== array() ? implode( '|', $serialized['printouts'] ) . '|' : '' ) . |
|
50
|
5 |
|
implode( '|', $serialized['parameters'] ) . |
|
51
|
5 |
|
( $serialized['sort'] !== array() ? '|sort=' . implode( ',', $serialized['sort'] ) : '' ) . |
|
52
|
5 |
|
( $serialized['order'] !== array() ? '|order=' . implode( ',', $serialized['order'] ) : '' ); |
|
53
|
|
|
|
|
54
|
5 |
|
return $encoded; |
|
55
|
|
|
} |
|
56
|
|
|
|
|
57
|
5 |
|
private static function doSerializePrintouts( $query ) { |
|
58
|
|
|
|
|
59
|
5 |
|
$printouts = array(); |
|
60
|
|
|
|
|
61
|
5 |
|
foreach ( $query->getExtraPrintouts() as $printout ) { |
|
62
|
2 |
|
$serialization = $printout->getSerialisation(); |
|
63
|
2 |
|
if ( $serialization !== '?#' ) { |
|
64
|
|
|
// #show adds an extra = at the end which is interpret as |
|
65
|
|
|
// requesting an empty result hence it is removed |
|
66
|
2 |
|
$printouts[] = substr( $serialization, -1 ) === '=' ? substr( $serialization, 0, -1 ) : $serialization; |
|
67
|
2 |
|
} |
|
68
|
5 |
|
} |
|
69
|
|
|
|
|
70
|
5 |
|
return $printouts; |
|
71
|
|
|
} |
|
72
|
|
|
|
|
73
|
5 |
|
private static function doSerializeSortKeys( $query ) { |
|
74
|
|
|
|
|
75
|
5 |
|
$sort = array(); |
|
76
|
5 |
|
$order = array(); |
|
77
|
|
|
|
|
78
|
5 |
|
foreach ( $query->getSortKeys() as $key => $value ) { |
|
79
|
|
|
|
|
80
|
2 |
|
if ( $key === '' ) { |
|
81
|
|
|
continue; |
|
82
|
|
|
} |
|
83
|
|
|
|
|
84
|
2 |
|
$sort[] = $key; |
|
85
|
2 |
|
$order[] = strtolower( $value ); |
|
86
|
5 |
|
} |
|
87
|
|
|
|
|
88
|
5 |
|
return array( $sort, $order ); |
|
89
|
|
|
} |
|
90
|
|
|
|
|
91
|
|
|
} |
|
92
|
|
|
|
SemanticMediaWiki /
SemanticExternalQueryLookup
