|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
declare(strict_types=1); |
|
4
|
|
|
|
|
5
|
|
|
namespace PrinsFrank\PhpGeoSVG\Html\Elements; |
|
6
|
|
|
|
|
7
|
|
|
use PrinsFrank\PhpGeoSVG\Html\Elements\Definition\ForeignElement; |
|
8
|
|
|
use PrinsFrank\PhpGeoSVG\Html\Elements\Text\TextContent; |
|
9
|
|
|
|
|
10
|
|
|
abstract class Element |
|
11
|
|
|
{ |
|
12
|
|
|
/** @var Element[] */ |
|
13
|
|
|
protected array $childElements = []; |
|
14
|
|
|
|
|
15
|
|
|
/** @var array<string, string> */ |
|
16
|
|
|
protected array $attributes = []; |
|
17
|
|
|
private ?TextContent $textContent = null; |
|
18
|
|
|
|
|
19
|
1 |
|
public function addChildElement(Element $childElement): self |
|
20
|
|
|
{ |
|
21
|
1 |
|
$this->childElements[] = $childElement; |
|
22
|
|
|
|
|
23
|
1 |
|
return $this; |
|
24
|
|
|
} |
|
25
|
|
|
|
|
26
|
|
|
/** |
|
27
|
|
|
* @return Element[] |
|
28
|
|
|
*/ |
|
29
|
1 |
|
public function getChildElements(): array |
|
30
|
|
|
{ |
|
31
|
1 |
|
return $this->childElements; |
|
32
|
|
|
} |
|
33
|
|
|
|
|
34
|
|
|
/** |
|
35
|
|
|
* @return array<string, string> |
|
36
|
|
|
*/ |
|
37
|
1 |
|
public function getAttributes(): array |
|
38
|
|
|
{ |
|
39
|
1 |
|
return $this->attributes; |
|
40
|
|
|
} |
|
41
|
|
|
|
|
42
|
1 |
|
public function setAttribute(string $name, mixed $value): self |
|
43
|
|
|
{ |
|
44
|
1 |
|
$this->attributes[$name] = (string) $value; |
|
45
|
|
|
|
|
46
|
1 |
|
return $this; |
|
47
|
|
|
} |
|
48
|
|
|
|
|
49
|
1 |
|
public function setTextContent(?TextContent $textContent): self |
|
50
|
|
|
{ |
|
51
|
1 |
|
$this->textContent = $textContent; |
|
52
|
|
|
|
|
53
|
1 |
|
return $this; |
|
54
|
|
|
} |
|
55
|
|
|
|
|
56
|
1 |
|
public function getTextContent(): ?TextContent |
|
57
|
|
|
{ |
|
58
|
1 |
|
return $this->textContent; |
|
59
|
|
|
} |
|
60
|
|
|
|
|
61
|
|
|
/** |
|
62
|
|
|
* @see https://html.spec.whatwg.org/#self-closing-start-tag-state |
|
63
|
|
|
* |
|
64
|
|
|
* Foreign elements must either have a start tag and an end tag, or a start tag that is marked as self-closing, |
|
65
|
|
|
* in which case they must not have an end tag. |
|
66
|
|
|
*/ |
|
67
|
4 |
|
public function canSelfClose(): bool |
|
68
|
|
|
{ |
|
69
|
4 |
|
if (false === $this instanceof ForeignElement) { |
|
70
|
1 |
|
return false; |
|
71
|
|
|
} |
|
72
|
|
|
|
|
73
|
3 |
|
if ([] !== $this->childElements) { |
|
74
|
1 |
|
return false; |
|
75
|
|
|
} |
|
76
|
|
|
|
|
77
|
2 |
|
if (null !== $this->textContent) { |
|
78
|
1 |
|
return false; |
|
79
|
|
|
} |
|
80
|
|
|
|
|
81
|
1 |
|
return true; |
|
82
|
|
|
} |
|
83
|
|
|
|
|
84
|
|
|
abstract public function getTagName(): string; |
|
85
|
|
|
} |
|
86
|
|
|
|