Code Coverage for C:\WEB\www\github\sdom\classes/SelectorMatcher/AttributeNodeTrait.php

	Code Coverage
	Classes and Traits			Functions and Methods				Lines
Total	100.00% covered (success)	100.00%	1 / 1	100.00% covered (success)	100.00%	1 / 1	CRAP	100.00% covered (success)	100.00%	38 / 38
AttributeNodeTrait	100.00% covered (success)	100.00%	1 / 1	100.00% covered (success)	100.00%	1 / 1	17	100.00% covered (success)	100.00%	38 / 38
matchAttributeNode				100.00% covered (success)	100.00%	1 / 1	16	100.00% covered (success)	100.00%	38 / 38
match					n/a	0 / 0	1		n/a	0 / 0

1	<?php
2
3	namespace SDom\SelectorMatcher;
4
5	use SDom\Node\Element;
6	use SDom\SelectorMatcher;
7	use Symfony\Component\CssSelector\Node\AttributeNode;
8	use Symfony\Component\CssSelector\Node\NodeInterface;
9
10	/**
11	* @pattern E[foo]
12	* @meaning an E element with a "foo" attribute
13	* @link https://www.w3.org/TR/css3-selectors/#attribute-selectors
14	*
15	* @pattern E[foo="bar"]
16	* @meaning an E element whose "foo" attribute value is exactly equal to "bar"
17	* @link https://www.w3.org/TR/css3-selectors/#attribute-selectors
18	*
19	* @pattern E[foo~="bar"]
20	* @meaning an E element whose "foo" attribute value is a list of whitespace-separated values, one of which is
21	* exactly equal to "bar"
22	* @link https://www.w3.org/TR/css3-selectors/#attribute-selectors
23	*
24	* @pattern E[foo^="bar"]
25	* @meaning an E element whose "foo" attribute value begins exactly with the string "bar"
26	* @link https://www.w3.org/TR/css3-selectors/#attribute-selectors
27	*
28	* @pattern E[foo$="bar"]
29	* @meaning an E element whose "foo" attribute value ends exactly with the string "bar"
30	* @link https://www.w3.org/TR/css3-selectors/#attribute-selectors
31	*
32	* @pattern E[foo*="bar"]
33	* @meaning an E element whose "foo" attribute value contains the substring "bar"
34	* @link https://www.w3.org/TR/css3-selectors/#attribute-selectors
35	*
36	* @pattern E[foo\|="en"]
37	* @meaning an E element whose "foo" attribute has a hyphen-separated list of values beginning (from the left) with "en"
38	* @link https://www.w3.org/TR/css3-selectors/#attribute-selectors
39	*
40	* Trait AttributeNodeTrait
41	* @package SDom\SelectorMatcher
42	*/
43	trait AttributeNodeTrait
44	{
45	/**
46	* @param AttributeNode $token
47	* @param Element $node
48	* @param null\|Element $effectiveRoot
49	* @return bool
50	*/
51	protected function matchAttributeNode(AttributeNode $token, Element $node, Element $effectiveRoot = null): bool
52	{
53	$attribute = $token->getAttribute();
54
55	// node attribute must exist, regardless of operator
56	if (!$node->hasAttribute($attribute)) {
57	return false;
58	}
59
60	$neededValue = $token->getValue();
61	$actualValue = $node->getAttribute($attribute);
62	$operator = $token->getOperator();
63
64	// if attribute operator is "exists", no further checks are needed
65	if ('exists' === $operator) {
66	return $this->match($token->getSelector(), $node, $effectiveRoot);
67	}
68
69	switch ($token->getOperator()) {
70	case '=':
71	if ($neededValue !== $actualValue) {
72	return false;
73	}
74	break;
75
76	case '~=':
77	if (!SelectorMatcher::containsWord($neededValue, $actualValue)) {
78	return false;
79	}
80	break;
81
82	case '^=':
83	if ($neededValue !== substr($actualValue, 0, strlen($neededValue))) {
84	return false;
85	}
86	break;
87
88	case '$=':
89	if ($neededValue !== substr($actualValue, -strlen($neededValue))) {
90	return false;
91	}
92	break;
93
94	case '*=':
95	if (false === strpos($actualValue, $neededValue)) {
96	return false;
97	}
98	break;
99
100	case '\|=':
101	if (
102	$neededValue !== $actualValue &&
103	$neededValue . '-' !== substr($actualValue, 0, strlen($neededValue . '-'))
104	) {
105	return false;
106	}
107	break;
108
109	default:
110	throw new \RuntimeException(sprintf(
111	'Invalid node attribute operator "%s".',
112	$token->getOperator()
113	));
114	}
115
116	return $this->match($token->getSelector(), $node, $effectiveRoot);
117	}
118
119	/**
120	* @param NodeInterface $token
121	* @param Element $node
122	* @param Element\|null $effectiveRoot
123	* @return bool
124	*/
125	abstract public function match(NodeInterface $token, Element $node, Element $effectiveRoot = null): bool;
126	}