|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
/* |
|
4
|
|
|
* This file is part of ocubom/twig-svg-extension |
|
5
|
|
|
* |
|
6
|
|
|
* © Oscar Cubo Medina <https://ocubom.github.io> |
|
7
|
|
|
* |
|
8
|
|
|
* For the full copyright and license information, please view the LICENSE |
|
9
|
|
|
* file that was distributed with this source code. |
|
10
|
|
|
*/ |
|
11
|
|
|
|
|
12
|
|
|
namespace Ocubom\Twig\Extension\Svg; |
|
13
|
|
|
|
|
14
|
|
|
use Ocubom\Twig\Extension\Svg\Util\DomHelper; |
|
15
|
|
|
|
|
16
|
|
|
class Symbol implements SvgInterface |
|
17
|
|
|
{ |
|
18
|
|
|
use SvgTrait; |
|
|
|
|
|
|
19
|
|
|
|
|
20
|
|
|
protected \DOMElement $ref; |
|
21
|
|
|
|
|
22
|
3 |
|
public function __construct(\DOMElement $svg, iterable $options = null) |
|
23
|
|
|
{ |
|
24
|
3 |
|
$svg = Svg::createFromString(DomHelper::toXml($svg), $options)->getElement(); |
|
25
|
|
|
|
|
26
|
3 |
|
$this->svg = $this->generateSymbol($svg); |
|
27
|
3 |
|
$this->ref = $this->generateReference($svg); |
|
28
|
|
|
} |
|
29
|
|
|
|
|
30
|
3 |
|
public function getId(): string |
|
31
|
|
|
{ |
|
32
|
3 |
|
return $this->svg->getAttribute('id'); |
|
33
|
|
|
} |
|
34
|
|
|
|
|
35
|
3 |
|
public function getReference(): \DOMElement |
|
36
|
|
|
{ |
|
37
|
3 |
|
return $this->ref; |
|
38
|
|
|
} |
|
39
|
|
|
|
|
40
|
3 |
|
private function generateSymbol(\DOMElement $svg): \DOMElement |
|
41
|
|
|
{ |
|
42
|
3 |
|
$node = DomHelper::createElement('symbol'); |
|
43
|
|
|
|
|
44
|
|
|
/** @var \DOMAttr $attribute */ |
|
45
|
3 |
|
foreach ($svg->attributes as $attribute) { |
|
46
|
3 |
|
if (!self::isReferenceAllowedAttribute($attribute)) { |
|
47
|
3 |
|
$node->setAttribute($attribute->name, $attribute->value); |
|
48
|
|
|
} |
|
49
|
|
|
} |
|
50
|
|
|
|
|
51
|
|
|
/** @var \DOMNode $child */ |
|
52
|
3 |
|
foreach ($svg->childNodes as $child) { |
|
53
|
3 |
|
if (!self::isReferenceAllowedNode($child)) { |
|
54
|
3 |
|
DomHelper::appendChildNode($child, $node); |
|
55
|
|
|
} |
|
56
|
|
|
} |
|
57
|
|
|
|
|
58
|
|
|
// Add the identifier based on node contents |
|
59
|
3 |
|
$node->setAttribute('id', Ident::generate($node)); |
|
60
|
|
|
|
|
61
|
3 |
|
return $node; |
|
62
|
|
|
} |
|
63
|
|
|
|
|
64
|
3 |
|
private function generateReference(\DOMElement $svg): \DOMElement |
|
65
|
|
|
{ |
|
66
|
3 |
|
$node = DomHelper::createElement('svg'); |
|
67
|
|
|
|
|
68
|
|
|
/** @var \DOMAttr $attribute */ |
|
69
|
3 |
|
foreach ($svg->attributes as $attribute) { |
|
70
|
3 |
|
if (self::isReferenceAllowedAttribute($attribute)) { |
|
71
|
3 |
|
$node->setAttribute($attribute->name, $attribute->value); |
|
72
|
|
|
} |
|
73
|
|
|
} |
|
74
|
|
|
|
|
75
|
|
|
/** @var \DOMNode $child */ |
|
76
|
3 |
|
foreach ($svg->childNodes as $child) { |
|
77
|
3 |
|
if (self::isReferenceAllowedNode($child)) { |
|
78
|
1 |
|
DomHelper::appendChildNode($child, $node); |
|
79
|
|
|
} |
|
80
|
|
|
} |
|
81
|
|
|
|
|
82
|
3 |
|
$use = DomHelper::appendChildElement( |
|
83
|
3 |
|
DomHelper::createElement('use'), |
|
84
|
3 |
|
$node |
|
85
|
3 |
|
); |
|
86
|
3 |
|
$use->setAttribute('xlink:href', '#'.$this->getId()); |
|
87
|
|
|
|
|
88
|
3 |
|
return $node; |
|
89
|
|
|
} |
|
90
|
|
|
|
|
91
|
3 |
|
private static function isReferenceAllowedAttribute(\DOMAttr $value): bool |
|
92
|
|
|
{ |
|
93
|
|
|
// Block list |
|
94
|
3 |
|
return !in_array(strtolower($value->name), [ |
|
95
|
3 |
|
'viewbox', |
|
96
|
3 |
|
]); |
|
97
|
|
|
} |
|
98
|
|
|
|
|
99
|
3 |
|
private static function isReferenceAllowedNode(\DOMNode $node): bool |
|
100
|
|
|
{ |
|
101
|
3 |
|
return $node instanceof \DOMElement |
|
102
|
3 |
|
// Allow list |
|
103
|
3 |
|
&& in_array(strtolower($node->tagName), [ |
|
104
|
3 |
|
'title', |
|
105
|
3 |
|
'desc', |
|
106
|
3 |
|
]); |
|
107
|
|
|
} |
|
108
|
|
|
} |
|
109
|
|
|
|
ocubom /
twig-svg-extension
Loading history...