1
|
|
|
<?php |
2
|
|
|
declare(strict_types=1); |
3
|
|
|
|
4
|
|
|
namespace Paysera\PhpStormHelper\Service; |
5
|
|
|
|
6
|
|
|
use DOMDocument; |
7
|
|
|
use DOMElement; |
8
|
|
|
use DOMNode; |
9
|
|
|
use RuntimeException; |
10
|
|
|
|
11
|
|
|
class DomHelper |
12
|
|
|
{ |
13
|
18 |
|
public function loadDocument(string $pathToXml): DOMDocument |
14
|
|
|
{ |
15
|
18 |
|
if (!file_exists($pathToXml)) { |
16
|
|
|
throw new RuntimeException(sprintf('File %s does not exist', $pathToXml)); |
17
|
|
|
} |
18
|
|
|
|
19
|
18 |
|
$document = $this->createEmptyDomDocument(); |
20
|
18 |
|
$this->loadXmlContents($document, $pathToXml); |
21
|
18 |
|
return $document; |
22
|
|
|
} |
23
|
|
|
|
24
|
6 |
|
public function loadOrCreateDocument(string $pathToXml): DOMDocument |
25
|
|
|
{ |
26
|
6 |
|
$document = $this->createEmptyDomDocument(); |
27
|
|
|
|
28
|
6 |
|
if (!file_exists($pathToXml)) { |
29
|
3 |
|
return $document; |
30
|
|
|
} |
31
|
|
|
|
32
|
3 |
|
$this->loadXmlContents($document, $pathToXml); |
33
|
|
|
|
34
|
3 |
|
return $document; |
35
|
|
|
} |
36
|
|
|
|
37
|
24 |
|
private function createEmptyDomDocument(): DOMDocument |
38
|
|
|
{ |
39
|
24 |
|
$document = new DOMDocument(); |
40
|
24 |
|
$document->preserveWhiteSpace = true; |
41
|
24 |
|
$document->formatOutput = true; |
42
|
24 |
|
return $document; |
43
|
|
|
} |
44
|
|
|
|
45
|
21 |
|
private function loadXmlContents(DOMDocument $document, string $pathToXml) |
46
|
|
|
{ |
47
|
21 |
|
libxml_clear_errors(); |
48
|
21 |
|
if (!$document->loadXML(file_get_contents($pathToXml))) { |
49
|
|
|
$error = libxml_get_last_error(); |
50
|
|
|
$message = $error === false ? 'Cannot load XML file' : $error->message; |
51
|
|
|
throw new RuntimeException($message); |
52
|
|
|
} |
53
|
21 |
|
} |
54
|
|
|
|
55
|
24 |
|
public function saveDocument(string $path, DOMDocument $document) |
56
|
|
|
{ |
57
|
24 |
|
file_put_contents($path, $document->saveXML()); |
58
|
24 |
|
} |
59
|
|
|
|
60
|
18 |
|
public function findNode(DOMNode $node, string $tagName, array $attributes = null): DOMNode |
61
|
|
|
{ |
62
|
18 |
|
$node = $this->findOptionalNode($node, $tagName, $attributes); |
63
|
18 |
|
if ($node === null) { |
64
|
|
|
throw new RuntimeException(sprintf('Node <%s> not found', $tagName)); |
65
|
|
|
} |
66
|
|
|
|
67
|
18 |
|
return $node; |
68
|
|
|
} |
69
|
|
|
|
70
|
24 |
|
public function findOptionalNode(DOMNode $node, string $tagName, array $attributes = null) |
71
|
|
|
{ |
72
|
24 |
|
$nodes = $this->findNodes($node, $tagName, $attributes); |
73
|
24 |
|
if (count($nodes) > 1) { |
74
|
|
|
throw new RuntimeException(sprintf('Expected only single <%s> tag', $tagName)); |
75
|
24 |
|
} elseif (count($nodes) === 0) { |
76
|
20 |
|
return null; |
77
|
|
|
} |
78
|
|
|
|
79
|
21 |
|
return $nodes[0]; |
80
|
|
|
} |
81
|
|
|
|
82
|
24 |
|
public function findOrCreateChildNode(DOMNode $node, string $tagName, array $attributes = null): DOMElement |
83
|
|
|
{ |
84
|
24 |
|
$internalNode = $this->findOptionalNode($node, $tagName, $attributes); |
85
|
24 |
|
if ($internalNode === null) { |
86
|
20 |
|
$ownerDocument = $node instanceof DOMDocument ? $node : $node->ownerDocument; |
87
|
20 |
|
$internalNode = $ownerDocument->createElement($tagName); |
88
|
20 |
|
$this->applyAttributesToElement($internalNode, $attributes ?? []); |
89
|
20 |
|
$node->appendChild($internalNode); |
90
|
|
|
} |
91
|
24 |
|
return $internalNode; |
92
|
|
|
} |
93
|
|
|
|
94
|
22 |
|
public function applyAttributesToElement(DOMElement $node, array $attributes) |
95
|
|
|
{ |
96
|
22 |
|
foreach ($attributes as $name => $value) { |
97
|
9 |
|
$node->setAttribute($name, $value); |
98
|
|
|
} |
99
|
22 |
|
} |
100
|
|
|
|
101
|
|
|
/** |
102
|
|
|
* @param DOMNode $node |
103
|
|
|
* @param string $tagName |
104
|
|
|
* @param array|null $attributes |
105
|
|
|
* @return array|DomNode[] |
106
|
|
|
*/ |
107
|
24 |
|
public function findNodes(DOMNode $node, string $tagName, array $attributes = null): array |
108
|
|
|
{ |
109
|
24 |
|
$result = []; |
110
|
|
|
|
111
|
|
|
/** @var DOMNode $childNode */ |
112
|
24 |
|
foreach ($node->childNodes as $childNode) { |
113
|
23 |
|
if ($childNode->nodeName === $tagName && $this->matchesAttributes($childNode, $attributes)) { |
114
|
23 |
|
$result[] = $childNode; |
115
|
|
|
} |
116
|
|
|
} |
117
|
|
|
|
118
|
24 |
|
return $result; |
119
|
|
|
} |
120
|
|
|
|
121
|
23 |
|
private function matchesAttributes(DOMNode $childNode, array $attributes = null): bool |
122
|
|
|
{ |
123
|
23 |
|
if ($attributes === null) { |
124
|
20 |
|
return true; |
125
|
|
|
} |
126
|
|
|
|
127
|
23 |
|
foreach ($attributes as $key => $value) { |
128
|
23 |
|
$attributeNode = $childNode->attributes->getNamedItem($key); |
129
|
23 |
|
$attributeValue = $attributeNode !== null ? $attributeNode->nodeValue : null; |
130
|
23 |
|
if ($attributeValue !== $value) { |
131
|
23 |
|
return false; |
132
|
|
|
} |
133
|
|
|
} |
134
|
|
|
|
135
|
18 |
|
return true; |
136
|
|
|
} |
137
|
|
|
|
138
|
11 |
|
public function removeNodes(DOMElement $parentNode, string $tagName, array $attributes = null) |
139
|
|
|
{ |
140
|
11 |
|
$mappings = $this->findNodes($parentNode, $tagName, $attributes); |
141
|
11 |
|
foreach ($mappings as $mapping) { |
142
|
3 |
|
$parentNode->removeChild($mapping); |
143
|
|
|
} |
144
|
11 |
|
} |
145
|
|
|
} |
146
|
|
|
|