PseudoClassExtension.php — WooCommerce 10.9.4

woocommerce / lib / packages / Symfony / Component / CssSelector / XPath / Extension / PseudoClassExtension.php

woocommerce / lib / packages / Symfony / Component / CssSelector / XPath / Extension Last commit date

AbstractExtension.php 7 months ago AttributeMatchingExtension.php 7 months ago CombinationExtension.php 7 months ago ExtensionInterface.php 7 months ago FunctionExtension.php 7 months ago HtmlExtension.php 7 months ago NodeExtension.php 7 months ago PseudoClassExtension.php 7 months ago

PseudoClassExtension.php

123 lines

1	<?php
2
3	/*
4	* This file is part of the Symfony package.
5	*
6	* (c) Fabien Potencier <fabien@symfony.com>
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 Automattic\WooCommerce\Vendor\Symfony\Component\CssSelector\XPath\Extension;
13
14	use Automattic\WooCommerce\Vendor\Symfony\Component\CssSelector\Exception\ExpressionErrorException;
15	use Automattic\WooCommerce\Vendor\Symfony\Component\CssSelector\XPath\XPathExpr;
16
17	/**
18	* XPath expression translator pseudo-class extension.
19	*
20	* This component is a port of the Python cssselect library,
21	* which is copyright Ian Bicking, @see https://github.com/SimonSapin/cssselect.
22	*
23	* @author Jean-François Simon <jeanfrancois.simon@sensiolabs.com>
24	*
25	* @internal
26	*/
27	class PseudoClassExtension extends AbstractExtension
28	{
29	/**
30	* {@inheritdoc}
31	*/
32	public function getPseudoClassTranslators(): array
33	{
34	return [
35	'root' => [$this, 'translateRoot'],
36	'first-child' => [$this, 'translateFirstChild'],
37	'last-child' => [$this, 'translateLastChild'],
38	'first-of-type' => [$this, 'translateFirstOfType'],
39	'last-of-type' => [$this, 'translateLastOfType'],
40	'only-child' => [$this, 'translateOnlyChild'],
41	'only-of-type' => [$this, 'translateOnlyOfType'],
42	'empty' => [$this, 'translateEmpty'],
43	];
44	}
45
46	public function translateRoot(XPathExpr $xpath): XPathExpr
47	{
48	return $xpath->addCondition('not(parent::*)');
49	}
50
51	public function translateFirstChild(XPathExpr $xpath): XPathExpr
52	{
53	return $xpath
54	->addStarPrefix()
55	->addNameTest()
56	->addCondition('position() = 1');
57	}
58
59	public function translateLastChild(XPathExpr $xpath): XPathExpr
60	{
61	return $xpath
62	->addStarPrefix()
63	->addNameTest()
64	->addCondition('position() = last()');
65	}
66
67	/**
68	* @throws ExpressionErrorException
69	*/
70	public function translateFirstOfType(XPathExpr $xpath): XPathExpr
71	{
72	if ('*' === $xpath->getElement()) {
73	throw new ExpressionErrorException('"*:first-of-type" is not implemented.');
74	}
75
76	return $xpath
77	->addStarPrefix()
78	->addCondition('position() = 1');
79	}
80
81	/**
82	* @throws ExpressionErrorException
83	*/
84	public function translateLastOfType(XPathExpr $xpath): XPathExpr
85	{
86	if ('*' === $xpath->getElement()) {
87	throw new ExpressionErrorException('"*:last-of-type" is not implemented.');
88	}
89
90	return $xpath
91	->addStarPrefix()
92	->addCondition('position() = last()');
93	}
94
95	public function translateOnlyChild(XPathExpr $xpath): XPathExpr
96	{
97	return $xpath
98	->addStarPrefix()
99	->addNameTest()
100	->addCondition('last() = 1');
101	}
102
103	public function translateOnlyOfType(XPathExpr $xpath): XPathExpr
104	{
105	$element = $xpath->getElement();
106
107	return $xpath->addCondition(sprintf('count(preceding-sibling::%s)=0 and count(following-sibling::%s)=0', $element, $element));
108	}
109
110	public function translateEmpty(XPathExpr $xpath): XPathExpr
111	{
112	return $xpath->addCondition('not(*) and not(string-length())');
113	}
114
115	/**
116	* {@inheritdoc}
117	*/
118	public function getName(): string
119	{
120	return 'pseudo-class';
121	}
122	}
123