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
|
<?php
namespace SMW\SQLStore\QueryEngine\DescriptionInterpreters;
use RuntimeException;
use SMW\Query\Language\ValueDescription;
use SMWDIUri as DIUri;
/**
* @license GNU GPL v2+
* @since 2.2
*
* @author mwjames
*/
class ComparatorMapper {
/**
* @since 2.2
*
* @param ValueDescription $description
* @param string &$value
*
* @return string
* @throws RuntimeException
*/
public function mapComparator( ValueDescription $description, &$value ) {
$comparatorMap = [
SMW_CMP_EQ => '=',
SMW_CMP_LESS => '<',
SMW_CMP_GRTR => '>',
SMW_CMP_LEQ => '<=',
SMW_CMP_GEQ => '>=',
SMW_CMP_NEQ => '!=',
SMW_CMP_LIKE => ' LIKE ',
SMW_CMP_PRIM_LIKE => ' LIKE ',
SMW_CMP_NLKE => ' NOT LIKE ',
SMW_CMP_PRIM_NLKE => ' NOT LIKE '
];
$comparator = $description->getComparator();
if ( !isset( $comparatorMap[$comparator] ) ) {
throw new RuntimeException( "Unsupported comparator $comparator in value description." );
}
if ( $comparator === SMW_CMP_LIKE || $comparator === SMW_CMP_NLKE || $comparator === SMW_CMP_PRIM_LIKE || $comparator === SMW_CMP_PRIM_NLKE ) {
if ( $description->getDataItem() instanceof DIUri ) {
$value = str_replace( [ 'http://', 'https://', '%2A' ], [ '*', '*', '*' ], $value );
}
// Escape to prepare string matching:
$value = str_replace(
[ '\\', '%', '_', '*', '?' ],
[ '\\\\', '\%', '\_', '%', '_' ],
$value
);
}
return $comparatorMap[$comparator];
}
}
|
