|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
namespace Asparagus; |
|
4
|
|
|
|
|
5
|
|
|
use InvalidArgumentException; |
|
6
|
|
|
|
|
7
|
|
|
/** |
|
8
|
|
|
* Package-private class to build the prefixes of a SPARQL query. |
|
9
|
|
|
* |
|
10
|
|
|
* @license GNU GPL v2+ |
|
11
|
|
|
* @author Bene* < [email protected] > |
|
12
|
|
|
*/ |
|
13
|
|
|
class QueryPrefixBuilder { |
|
14
|
|
|
|
|
15
|
|
|
/** |
|
16
|
|
|
* @var string[] map of prefixes to IRIs |
|
17
|
|
|
*/ |
|
18
|
|
|
private $prefixes = array(); |
|
19
|
|
|
|
|
20
|
|
|
/** |
|
21
|
|
|
* @var ExpressionValidator |
|
22
|
|
|
*/ |
|
23
|
|
|
private $expressionValidator; |
|
24
|
|
|
|
|
25
|
|
|
/** |
|
26
|
|
|
* @var UsageValidator |
|
27
|
|
|
*/ |
|
28
|
|
|
private $usageValidator; |
|
29
|
|
|
|
|
30
|
|
|
/** |
|
31
|
|
|
* @param string[] $prefixes |
|
32
|
|
|
*/ |
|
33
|
|
|
public function __construct( array $prefixes, UsageValidator $usageValidator ) { |
|
34
|
|
|
$this->expressionValidator = new ExpressionValidator(); |
|
35
|
|
|
$this->usageValidator = $usageValidator; |
|
36
|
|
|
$this->setPrefixes( $prefixes ); |
|
37
|
|
|
} |
|
38
|
|
|
|
|
39
|
|
|
/** |
|
40
|
|
|
* Sets the prefixes for the given IRIs. |
|
41
|
|
|
* |
|
42
|
|
|
* @param string[] $prefixes |
|
43
|
|
|
* @throws InvalidArgumentException |
|
44
|
|
|
*/ |
|
45
|
|
|
private function setPrefixes( array $prefixes ) { |
|
46
|
|
|
foreach ( $prefixes as $prefix => $iri ) { |
|
47
|
|
|
$this->expressionValidator->validate( $prefix, ExpressionValidator::VALIDATE_PREFIX ); |
|
48
|
|
|
$this->expressionValidator->validate( $iri, ExpressionValidator::VALIDATE_IRI ); |
|
49
|
|
|
|
|
50
|
|
|
$this->prefixes[$prefix] = $iri; |
|
51
|
|
|
} |
|
52
|
|
|
|
|
53
|
|
|
$this->usageValidator->trackDefinedPrefixes( array_keys( $this->prefixes ) ); |
|
54
|
|
|
} |
|
55
|
|
|
|
|
56
|
|
|
/** |
|
57
|
|
|
* @return string[] |
|
58
|
|
|
*/ |
|
59
|
|
|
public function getPrefixes() { |
|
60
|
|
|
return $this->prefixes; |
|
61
|
|
|
} |
|
62
|
|
|
|
|
63
|
|
|
/** |
|
64
|
|
|
* Returns the plain SPARQL string of these prefixes. |
|
65
|
|
|
* |
|
66
|
|
|
* @return string |
|
67
|
|
|
*/ |
|
68
|
|
|
public function getSPARQL() { |
|
69
|
|
|
return implode( array_map( function( $prefix, $iri ) { |
|
70
|
|
|
return 'PREFIX ' . $prefix . ': <' . $iri . '> '; |
|
71
|
|
|
}, array_keys( $this->prefixes ), $this->prefixes ) ); |
|
72
|
|
|
} |
|
73
|
|
|
|
|
74
|
|
|
} |
|
75
|
|
|
|
Benestar /
asparagus
