searchpro / BerqWP / vendor / symfony / css-selector / XPath / Extension / HtmlExtension.php

HtmlExtension.php in BerqWP – All-In-One Optimization for Core Web Vitals, Cache, CDN, Images, CSS & JavaScript 4.1.11, at BerqWP/vendor/symfony/css-selector/XPath/Extension/HtmlExtension.php

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1	<?php
2
3	/*
4	* This file is part of the Symfony package.
5	*
6	* (c) Fabien Potencier <[email protected]>
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 Symfony\Component\CssSelector\XPath\Extension;
13
14	use Symfony\Component\CssSelector\Exception\ExpressionErrorException;
15	use Symfony\Component\CssSelector\Node\FunctionNode;
16	use Symfony\Component\CssSelector\XPath\Translator;
17	use Symfony\Component\CssSelector\XPath\XPathExpr;
18
19	/**
20	* XPath expression translator HTML extension.
21	*
22	* This component is a port of the Python cssselect library,
23	* which is copyright Ian Bicking, @see https://github.com/SimonSapin/cssselect.
24	*
25	* @author Jean-François Simon <[email protected]>
26	*
27	* @internal
28	*/
29	class HtmlExtension extends AbstractExtension
30	{
31	public function __construct(Translator $translator)
32	{
33	$translator
34	->getExtension('node')
35	->setFlag(NodeExtension::ELEMENT_NAME_IN_LOWER_CASE, true)
36	->setFlag(NodeExtension::ATTRIBUTE_NAME_IN_LOWER_CASE, true);
37	}
38
39	/**
40	* {@inheritdoc}
41	*/
42	public function getPseudoClassTranslators(): array
43	{
44	return [
45	'checked' => [$this, 'translateChecked'],
46	'link' => [$this, 'translateLink'],
47	'disabled' => [$this, 'translateDisabled'],
48	'enabled' => [$this, 'translateEnabled'],
49	'selected' => [$this, 'translateSelected'],
50	'invalid' => [$this, 'translateInvalid'],
51	'hover' => [$this, 'translateHover'],
52	'visited' => [$this, 'translateVisited'],
53	];
54	}
55
56	/**
57	* {@inheritdoc}
58	*/
59	public function getFunctionTranslators(): array
60	{
61	return [
62	'lang' => [$this, 'translateLang'],
63	];
64	}
65
66	public function translateChecked(XPathExpr $xpath): XPathExpr
67	{
68	return $xpath->addCondition(
69	'(@checked '
70	."and (name(.) = 'input' or name(.) = 'command')"
71	."and (@type = 'checkbox' or @type = 'radio'))"
72	);
73	}
74
75	public function translateLink(XPathExpr $xpath): XPathExpr
76	{
77	return $xpath->addCondition("@href and (name(.) = 'a' or name(.) = 'link' or name(.) = 'area')");
78	}
79
80	public function translateDisabled(XPathExpr $xpath): XPathExpr
81	{
82	return $xpath->addCondition(
83	'('
84	.'@disabled and'
85	.'('
86	."(name(.) = 'input' and @type != 'hidden')"
87	." or name(.) = 'button'"
88	." or name(.) = 'select'"
89	." or name(.) = 'textarea'"
90	." or name(.) = 'command'"
91	." or name(.) = 'fieldset'"
92	." or name(.) = 'optgroup'"
93	." or name(.) = 'option'"
94	.')'
95	.') or ('
96	."(name(.) = 'input' and @type != 'hidden')"
97	." or name(.) = 'button'"
98	." or name(.) = 'select'"
99	." or name(.) = 'textarea'"
100	.')'
101	.' and ancestor::fieldset[@disabled]'
102	);
103	// todo: in the second half, add "and is not a descendant of that fieldset element's first legend element child, if any."
104	}
105
106	public function translateEnabled(XPathExpr $xpath): XPathExpr
107	{
108	return $xpath->addCondition(
109	'('
110	.'@href and ('
111	."name(.) = 'a'"
112	." or name(.) = 'link'"
113	." or name(.) = 'area'"
114	.')'
115	.') or ('
116	.'('
117	."name(.) = 'command'"
118	." or name(.) = 'fieldset'"
119	." or name(.) = 'optgroup'"
120	.')'
121	.' and not(@disabled)'
122	.') or ('
123	.'('
124	."(name(.) = 'input' and @type != 'hidden')"
125	." or name(.) = 'button'"
126	." or name(.) = 'select'"
127	." or name(.) = 'textarea'"
128	." or name(.) = 'keygen'"
129	.')'
130	.' and not (@disabled or ancestor::fieldset[@disabled])'
131	.') or ('
132	."name(.) = 'option' and not("
133	.'@disabled or ancestor::optgroup[@disabled]'
134	.')'
135	.')'
136	);
137	}
138
139	/**
140	* @throws ExpressionErrorException
141	*/
142	public function translateLang(XPathExpr $xpath, FunctionNode $function): XPathExpr
143	{
144	$arguments = $function->getArguments();
145	foreach ($arguments as $token) {
146	if (!($token->isString() \|\| $token->isIdentifier())) {
147	throw new ExpressionErrorException('Expected a single string or identifier for :lang(), got '.implode(', ', $arguments));
148	}
149	}
150
151	return $xpath->addCondition(sprintf(
152	'ancestor-or-self::*[@lang][1][starts-with(concat('
153	."translate(@%s, 'ABCDEFGHIJKLMNOPQRSTUVWXYZ', 'abcdefghijklmnopqrstuvwxyz'), '-')"
154	.', %s)]',
155	'lang',
156	Translator::getXpathLiteral(strtolower($arguments[0]->getValue()).'-')
157	));
158	}
159
160	public function translateSelected(XPathExpr $xpath): XPathExpr
161	{
162	return $xpath->addCondition("(@selected and name(.) = 'option')");
163	}
164
165	public function translateInvalid(XPathExpr $xpath): XPathExpr
166	{
167	return $xpath->addCondition('0');
168	}
169
170	public function translateHover(XPathExpr $xpath): XPathExpr
171	{
172	return $xpath->addCondition('0');
173	}
174
175	public function translateVisited(XPathExpr $xpath): XPathExpr
176	{
177	return $xpath->addCondition('0');
178	}
179
180	/**
181	* {@inheritdoc}
182	*/
183	public function getName(): string
184	{
185	return 'html';
186	}
187	}
188