|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
namespace AmaTeam\TreeAccess; |
|
4
|
|
|
|
|
5
|
|
|
use AmaTeam\TreeAccess\API\Exception\IllegalTargetException; |
|
6
|
|
|
use AmaTeam\TreeAccess\API\Exception\MissingNodeException; |
|
7
|
|
|
use AmaTeam\TreeAccess\API\NodeInterface; |
|
8
|
|
|
use AmaTeam\TreeAccess\Locator\Context; |
|
9
|
|
|
use AmaTeam\TreeAccess\Type\Registry; |
|
10
|
|
|
|
|
11
|
|
|
class Locator |
|
12
|
|
|
{ |
|
13
|
|
|
/** |
|
14
|
|
|
* @var Registry |
|
15
|
|
|
*/ |
|
16
|
|
|
private $registry; |
|
17
|
|
|
|
|
18
|
21 |
|
public function __construct(Registry $registry) |
|
19
|
|
|
{ |
|
20
|
21 |
|
$this->registry = $registry; |
|
21
|
21 |
|
} |
|
22
|
|
|
|
|
23
|
|
|
/** |
|
24
|
|
|
* @param NodeInterface $root |
|
25
|
|
|
* @param array $path |
|
26
|
|
|
* @param Context $context |
|
27
|
|
|
* |
|
28
|
|
|
* @return NodeInterface|null |
|
29
|
|
|
* |
|
30
|
|
|
* @throws MissingNodeException |
|
31
|
|
|
* @throws IllegalTargetException |
|
32
|
|
|
*/ |
|
33
|
19 |
|
public function locate(NodeInterface $root, array $path, Context $context) |
|
34
|
|
|
{ |
|
35
|
19 |
|
$currentPath = []; |
|
36
|
19 |
|
$cursor = $root; |
|
37
|
19 |
|
foreach ($path as $segment) { |
|
38
|
14 |
|
$currentPath[] = $segment; |
|
39
|
14 |
|
$value = &$cursor->getValue(); |
|
40
|
14 |
|
$accessor = $this->registry->getAccessor(gettype($value)); |
|
41
|
14 |
|
if (!$accessor) { |
|
42
|
1 |
|
if ($context->shouldIgnoreIllegal()) { |
|
43
|
|
|
return null; |
|
44
|
|
|
} |
|
45
|
1 |
|
throw new IllegalTargetException($currentPath); |
|
46
|
|
|
} |
|
47
|
13 |
|
if (!$accessor || !$accessor->exists($value, $segment)) { |
|
48
|
3 |
|
if ($context->shouldIgnoreMissing()) { |
|
49
|
2 |
|
return null; |
|
50
|
|
|
} |
|
51
|
1 |
|
throw new MissingNodeException($currentPath); |
|
52
|
|
|
} |
|
53
|
10 |
|
$cursor = $accessor->read($value, $segment); |
|
54
|
|
|
} |
|
55
|
15 |
|
return Node::withPath($cursor, $path); |
|
56
|
|
|
} |
|
57
|
|
|
} |
|
58
|
|
|
|
ama-team /
php-tree-access
