|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
namespace Groundskeeper\Tokens\Elements; |
|
4
|
|
|
|
|
5
|
|
|
use Groundskeeper\Configuration; |
|
6
|
|
|
use Groundskeeper\Tokens\ElementTypes\EmbeddedContent; |
|
7
|
|
|
use Groundskeeper\Tokens\ElementTypes\FlowContent; |
|
8
|
|
|
use Groundskeeper\Tokens\ElementTypes\OpenElement; |
|
9
|
|
|
use Groundskeeper\Tokens\ElementTypes\PhrasingContent; |
|
10
|
|
|
use Groundskeeper\Tokens\ElementTypes\ScriptSupporting; |
|
11
|
|
|
use Groundskeeper\Tokens\Token; |
|
12
|
|
|
use Psr\Log\LoggerInterface; |
|
13
|
|
|
|
|
14
|
|
|
/** |
|
15
|
|
|
* "picture" element |
|
16
|
|
|
* |
|
17
|
|
|
* https://html.spec.whatwg.org/multipage/semantics.html#the-picture-element |
|
18
|
|
|
*/ |
|
19
|
|
|
class Picture extends OpenElement implements FlowContent, PhrasingContent, EmbeddedContent |
|
20
|
|
|
{ |
|
21
|
|
|
protected function doClean(LoggerInterface $logger) |
|
22
|
|
|
{ |
|
23
|
|
|
// Children can consist of zero or more "source" elements, |
|
24
|
|
|
// followed by one "img" element, optionally intermixed |
|
25
|
|
|
// with script-supporting elements. |
|
26
|
|
|
if ($this->configuration->get('clean-strategy') != Configuration::CLEAN_STRATEGY_LENIENT) { |
|
27
|
|
|
$encounteredImgElement = false; |
|
28
|
|
|
foreach ($this->children as $child) { |
|
29
|
|
|
if ($child->getType() == Token::COMMENT) { |
|
30
|
|
|
continue; |
|
31
|
|
|
} |
|
32
|
|
|
|
|
33
|
|
|
if ($child->getType() !== Token::ELEMENT) { |
|
34
|
|
|
$logger->debug('Removing ' . $child); |
|
35
|
|
|
$this->removeChild($child); |
|
36
|
|
|
|
|
37
|
|
|
continue; |
|
38
|
|
|
} |
|
39
|
|
|
|
|
40
|
|
|
if ($child instanceof ScriptSupporting) { |
|
41
|
|
|
continue; |
|
42
|
|
|
} |
|
43
|
|
|
|
|
44
|
|
|
if ($child->getName() == 'img') { |
|
45
|
|
|
if ($encounteredImgElement) { |
|
46
|
|
|
$logger->debug('Removing ' . $child . '. Only one "img" element allowed as child of "picture" element.'); |
|
47
|
|
|
$this->removeChild($child); |
|
48
|
|
|
|
|
49
|
|
|
continue; |
|
50
|
|
|
} |
|
51
|
|
|
|
|
52
|
|
|
$encounteredImgElement = true; |
|
53
|
|
|
|
|
54
|
|
|
continue; |
|
55
|
|
|
} |
|
56
|
|
|
|
|
57
|
|
|
if ($child->getName() != 'source') { |
|
58
|
|
|
$logger->debug('Removing ' . $child . '. Only one "img" element and zero to many "source" elements allowed as children of the "picture" element.'); |
|
59
|
|
|
$this->removeChild($child); |
|
60
|
|
|
|
|
61
|
|
|
continue; |
|
62
|
|
|
} |
|
63
|
|
|
} |
|
64
|
|
|
} |
|
65
|
|
|
|
|
66
|
|
|
return true; |
|
67
|
|
|
} |
|
68
|
|
|
} |
|
69
|
|
|
|
kevintweber /
Groundskeeper
