wp-user-avatar
/
third-party
/
vendor
/
symfony
/
css-selector
/
XPath
/
Extension
/
NodeExtension.php
AbstractExtension.php
2 months ago
AttributeMatchingExtension.php
2 months ago
CombinationExtension.php
2 months ago
ExtensionInterface.php
2 months ago
FunctionExtension.php
2 months ago
HtmlExtension.php
2 months ago
NodeExtension.php
2 months ago
PseudoClassExtension.php
2 months ago
NodeExtension.php
151 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 | namespace ProfilePressVendor\Symfony\Component\CssSelector\XPath\Extension; |
| 12 | |
| 13 | use ProfilePressVendor\Symfony\Component\CssSelector\Node; |
| 14 | use ProfilePressVendor\Symfony\Component\CssSelector\XPath\Translator; |
| 15 | use ProfilePressVendor\Symfony\Component\CssSelector\XPath\XPathExpr; |
| 16 | /** |
| 17 | * XPath expression translator node extension. |
| 18 | * |
| 19 | * This component is a port of the Python cssselect library, |
| 20 | * which is copyright Ian Bicking, @see https://github.com/SimonSapin/cssselect. |
| 21 | * |
| 22 | * @author Jean-François Simon <jeanfrancois.simon@sensiolabs.com> |
| 23 | * |
| 24 | * @internal |
| 25 | */ |
| 26 | class NodeExtension extends AbstractExtension |
| 27 | { |
| 28 | public const ELEMENT_NAME_IN_LOWER_CASE = 1; |
| 29 | public const ATTRIBUTE_NAME_IN_LOWER_CASE = 2; |
| 30 | public const ATTRIBUTE_VALUE_IN_LOWER_CASE = 4; |
| 31 | private $flags; |
| 32 | public function __construct(int $flags = 0) |
| 33 | { |
| 34 | $this->flags = $flags; |
| 35 | } |
| 36 | /** |
| 37 | * @return $this |
| 38 | */ |
| 39 | public function setFlag(int $flag, bool $on): self |
| 40 | { |
| 41 | if ($on && !$this->hasFlag($flag)) { |
| 42 | $this->flags += $flag; |
| 43 | } |
| 44 | if (!$on && $this->hasFlag($flag)) { |
| 45 | $this->flags -= $flag; |
| 46 | } |
| 47 | return $this; |
| 48 | } |
| 49 | public function hasFlag(int $flag): bool |
| 50 | { |
| 51 | return (bool) ($this->flags & $flag); |
| 52 | } |
| 53 | /** |
| 54 | * {@inheritdoc} |
| 55 | */ |
| 56 | public function getNodeTranslators(): array |
| 57 | { |
| 58 | return ['Selector' => [$this, 'translateSelector'], 'CombinedSelector' => [$this, 'translateCombinedSelector'], 'Negation' => [$this, 'translateNegation'], 'Function' => [$this, 'translateFunction'], 'Pseudo' => [$this, 'translatePseudo'], 'Attribute' => [$this, 'translateAttribute'], 'Class' => [$this, 'translateClass'], 'Hash' => [$this, 'translateHash'], 'Element' => [$this, 'translateElement']]; |
| 59 | } |
| 60 | public function translateSelector(Node\SelectorNode $node, Translator $translator): XPathExpr |
| 61 | { |
| 62 | return $translator->nodeToXPath($node->getTree()); |
| 63 | } |
| 64 | public function translateCombinedSelector(Node\CombinedSelectorNode $node, Translator $translator): XPathExpr |
| 65 | { |
| 66 | return $translator->addCombination($node->getCombinator(), $node->getSelector(), $node->getSubSelector()); |
| 67 | } |
| 68 | public function translateNegation(Node\NegationNode $node, Translator $translator): XPathExpr |
| 69 | { |
| 70 | $xpath = $translator->nodeToXPath($node->getSelector()); |
| 71 | $subXpath = $translator->nodeToXPath($node->getSubSelector()); |
| 72 | $subXpath->addNameTest(); |
| 73 | if ($subXpath->getCondition()) { |
| 74 | return $xpath->addCondition(sprintf('not(%s)', $subXpath->getCondition())); |
| 75 | } |
| 76 | return $xpath->addCondition('0'); |
| 77 | } |
| 78 | public function translateFunction(Node\FunctionNode $node, Translator $translator): XPathExpr |
| 79 | { |
| 80 | $xpath = $translator->nodeToXPath($node->getSelector()); |
| 81 | return $translator->addFunction($xpath, $node); |
| 82 | } |
| 83 | public function translatePseudo(Node\PseudoNode $node, Translator $translator): XPathExpr |
| 84 | { |
| 85 | $xpath = $translator->nodeToXPath($node->getSelector()); |
| 86 | return $translator->addPseudoClass($xpath, $node->getIdentifier()); |
| 87 | } |
| 88 | public function translateAttribute(Node\AttributeNode $node, Translator $translator): XPathExpr |
| 89 | { |
| 90 | $name = $node->getAttribute(); |
| 91 | $safe = $this->isSafeName($name); |
| 92 | if ($this->hasFlag(self::ATTRIBUTE_NAME_IN_LOWER_CASE)) { |
| 93 | $name = strtolower($name); |
| 94 | } |
| 95 | if ($node->getNamespace()) { |
| 96 | $name = sprintf('%s:%s', $node->getNamespace(), $name); |
| 97 | $safe = $safe && $this->isSafeName($node->getNamespace()); |
| 98 | } |
| 99 | $attribute = $safe ? '@' . $name : sprintf('attribute::*[name() = %s]', Translator::getXpathLiteral($name)); |
| 100 | $value = $node->getValue(); |
| 101 | $xpath = $translator->nodeToXPath($node->getSelector()); |
| 102 | if ($this->hasFlag(self::ATTRIBUTE_VALUE_IN_LOWER_CASE)) { |
| 103 | $value = strtolower($value); |
| 104 | } |
| 105 | return $translator->addAttributeMatching($xpath, $node->getOperator(), $attribute, $value); |
| 106 | } |
| 107 | public function translateClass(Node\ClassNode $node, Translator $translator): XPathExpr |
| 108 | { |
| 109 | $xpath = $translator->nodeToXPath($node->getSelector()); |
| 110 | return $translator->addAttributeMatching($xpath, '~=', '@class', $node->getName()); |
| 111 | } |
| 112 | public function translateHash(Node\HashNode $node, Translator $translator): XPathExpr |
| 113 | { |
| 114 | $xpath = $translator->nodeToXPath($node->getSelector()); |
| 115 | return $translator->addAttributeMatching($xpath, '=', '@id', $node->getId()); |
| 116 | } |
| 117 | public function translateElement(Node\ElementNode $node): XPathExpr |
| 118 | { |
| 119 | $element = $node->getElement(); |
| 120 | if ($element && $this->hasFlag(self::ELEMENT_NAME_IN_LOWER_CASE)) { |
| 121 | $element = strtolower($element); |
| 122 | } |
| 123 | if ($element) { |
| 124 | $safe = $this->isSafeName($element); |
| 125 | } else { |
| 126 | $element = '*'; |
| 127 | $safe = \true; |
| 128 | } |
| 129 | if ($node->getNamespace()) { |
| 130 | $element = sprintf('%s:%s', $node->getNamespace(), $element); |
| 131 | $safe = $safe && $this->isSafeName($node->getNamespace()); |
| 132 | } |
| 133 | $xpath = new XPathExpr('', $element); |
| 134 | if (!$safe) { |
| 135 | $xpath->addNameTest(); |
| 136 | } |
| 137 | return $xpath; |
| 138 | } |
| 139 | /** |
| 140 | * {@inheritdoc} |
| 141 | */ |
| 142 | public function getName(): string |
| 143 | { |
| 144 | return 'node'; |
| 145 | } |
| 146 | private function isSafeName(string $name): bool |
| 147 | { |
| 148 | return 0 < preg_match('~^[a-zA-Z_][a-zA-Z0-9_.-]*$~', $name); |
| 149 | } |
| 150 | } |
| 151 |