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<?php |
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declare(strict_types=1); |
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namespace SimpleSAML\XMLSchema\XML\xs; |
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use DOMElement; |
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use SimpleSAML\XML\Assert\Assert; |
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use SimpleSAML\XML\{SchemaValidatableElementInterface, SchemaValidatableElementTrait}; |
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use SimpleSAML\XMLSchema\Exception\{InvalidDOMElementException, SchemaViolationException, TooManyElementsException}; |
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use SimpleSAML\XMLSchema\Type\Builtin\{IDValue, StringValue}; |
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use function strval; |
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/** |
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* Class representing the selector-element. |
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* |
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* @package simplesamlphp/xml-common |
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*/ |
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final class Selector extends AbstractAnnotated implements SchemaValidatableElementInterface |
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{ |
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use SchemaValidatableElementTrait; |
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/** @var string */ |
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public const LOCALNAME = 'selector'; |
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/** @var string */ |
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public static string $selector_regex = '/^ |
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( |
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(\.\/\/)? |
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(((child::)?(([_:A-Za-z][-._:A-Za-z0-9]*:)?([_:A-Za-z][-._:A-Za-z0-9]*|\*)))|\.) |
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(\/(((child::)?(([_:A-Za-z][-._:A-Za-z0-9]*:)?([_:A-Za-z][-._:A-Za-z0-9]*|\*)))|\.))* |
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(\|(\.\/\/)?(((child::)?(([_:A-Za-z][-._:A-Za-z0-9]*:)?([_:A-Za-z][-._:A-Za-z0-9]*|\*)))|\.) |
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(\/(((child::)?(([_:A-Za-z][-._:A-Za-z0-9]*:)?([_:A-Za-z][-._:A-Za-z0-9]*|\*)))|\.))*)* |
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)$/Dx'; |
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/** |
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* Selector constructor |
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* |
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* @param \SimpleSAML\XMLSchema\Type\Builtin\StringValue $xpath |
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* @param \SimpleSAML\XMLSchema\XML\xs\Annotation|null $annotation |
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* @param \SimpleSAML\XMLSchema\Type\Builtin\IDValue|null $id |
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* @param array<\SimpleSAML\XML\Attribute> $namespacedAttributes |
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*/ |
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public function __construct( |
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protected StringValue $xpath, |
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?Annotation $annotation = null, |
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?IDValue $id = null, |
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array $namespacedAttributes = [], |
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) { |
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Assert::regex(strval($xpath), self::$selector_regex, SchemaViolationException::class); |
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parent::__construct($annotation, $id, $namespacedAttributes); |
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} |
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/** |
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* Collect the value of the xpath-property |
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* |
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* @return \SimpleSAML\XMLSchema\Type\Builtin\StringValue |
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*/ |
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public function getXPath(): StringValue |
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{ |
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return $this->xpath; |
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} |
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/** |
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* Add this Selector to an XML element. |
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* |
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* @param \DOMElement|null $parent The element we should append this selector to. |
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* @return \DOMElement |
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*/ |
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public function toXML(?DOMElement $parent = null): DOMElement |
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{ |
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$e = parent::toXML($parent); |
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$e->setAttribute('xpath', strval($this->getXPath())); |
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return $e; |
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} |
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/** |
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* Create an instance of this object from its XML representation. |
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* |
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* @param \DOMElement $xml |
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* @return static |
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* |
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* @throws \SimpleSAML\XMLSchema\Exception\InvalidDOMElementException |
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* if the qualified name of the supplied element is wrong |
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*/ |
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public static function fromXML(DOMElement $xml): static |
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{ |
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Assert::same($xml->localName, static::getLocalName(), InvalidDOMElementException::class); |
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Assert::same($xml->namespaceURI, static::NS, InvalidDOMElementException::class); |
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$annotation = Annotation::getChildrenOfClass($xml); |
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Assert::maxCount($annotation, 1, TooManyElementsException::class); |
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return new static( |
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self::getAttribute($xml, 'xpath', StringValue::class), |
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array_pop($annotation), |
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self::getOptionalAttribute($xml, 'id', IDValue::class, null), |
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self::getAttributesNSFromXML($xml), |
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); |
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} |
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} |
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simplesamlphp /
xml-common
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