|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
declare(strict_types=1); |
|
4
|
|
|
|
|
5
|
|
|
namespace loophp\phptree\Exporter; |
|
6
|
|
|
|
|
7
|
|
|
use Fhaculty\Graph\Graph as OriginalGraph; |
|
8
|
|
|
use Fhaculty\Graph\Vertex; |
|
9
|
|
|
use loophp\phptree\Node\AttributeNodeInterface; |
|
10
|
|
|
use loophp\phptree\Node\NodeInterface; |
|
11
|
|
|
|
|
12
|
|
|
final class Graph implements ExporterInterface |
|
13
|
|
|
{ |
|
14
|
|
|
public function export(NodeInterface $node): OriginalGraph |
|
15
|
|
|
{ |
|
16
|
|
|
$graph = new OriginalGraph(); |
|
17
|
|
|
|
|
18
|
|
|
foreach ($node->all() as $node_visited) { |
|
19
|
|
|
$vertexFrom = $this->createVertex($node_visited, $graph); |
|
20
|
|
|
|
|
21
|
|
|
foreach ($node_visited->children() as $child) { |
|
22
|
|
|
$vertexTo = $this->createVertex($child, $graph); |
|
23
|
|
|
$vertexFrom->createEdgeTo($vertexTo); |
|
24
|
|
|
} |
|
25
|
|
|
} |
|
26
|
|
|
|
|
27
|
2 |
|
return $graph; |
|
28
|
|
|
} |
|
29
|
2 |
|
|
|
30
|
|
|
/** |
|
31
|
2 |
|
* Create a vertex. |
|
32
|
2 |
|
* |
|
33
|
|
|
* @param NodeInterface $node |
|
34
|
2 |
|
* The node |
|
35
|
2 |
|
* |
|
36
|
2 |
|
* @return Vertex |
|
37
|
|
|
* A vertex |
|
38
|
|
|
*/ |
|
39
|
|
|
private function createVertex(NodeInterface $node, OriginalGraph $graph): Vertex |
|
40
|
2 |
|
{ |
|
41
|
|
|
/** @var int $vertexId */ |
|
42
|
|
|
$vertexId = $this->createVertexId($node); |
|
43
|
|
|
|
|
44
|
|
|
if (!$graph->hasVertex($vertexId)) { |
|
45
|
|
|
$vertex = $graph->createVertex($vertexId); |
|
46
|
|
|
|
|
47
|
|
|
$vertex->setAttribute( |
|
48
|
|
|
'graphviz.label', |
|
49
|
|
|
$node->label() |
|
50
|
|
|
); |
|
51
|
|
|
|
|
52
|
2 |
|
if ($node instanceof AttributeNodeInterface) { |
|
53
|
|
|
foreach ($node->getAttributes() as $key => $value) { |
|
54
|
|
|
$vertex->setAttribute((string) $key, $value); |
|
55
|
2 |
|
} |
|
56
|
|
|
} |
|
57
|
2 |
|
} |
|
58
|
2 |
|
|
|
59
|
|
|
return $graph->getVertex($vertexId); |
|
60
|
2 |
|
} |
|
61
|
2 |
|
|
|
62
|
2 |
|
private function createVertexId(NodeInterface $node): string |
|
63
|
|
|
{ |
|
64
|
|
|
return sha1(spl_object_hash($node)); |
|
65
|
2 |
|
} |
|
66
|
|
|
} |
|
67
|
|
|
|
loophp /
phptree
