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<?php |
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declare(strict_types=1); |
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namespace SimpleSAML\XML; |
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use DOMElement; |
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use SimpleSAML\Assert\Assert; |
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use SimpleSAML\XML\Constants as C; |
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use SimpleSAML\XML\Exception\InvalidDOMElementException; |
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use SimpleSAML\XML\Exception\MissingAttributeException; |
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/** |
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* Trait grouping common functionality for simple localized string elements |
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* |
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* @package simplesamlphp/xml-common |
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*/ |
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trait LocalizedStringElementTrait |
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{ |
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use XMLStringElementTrait; |
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/** |
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* The language this string is on. |
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* |
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* @var string |
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*/ |
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protected string $language; |
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/** |
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* Validate the content of the element. |
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* |
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* @param string $content The value to go in the XML textContent |
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* @throws \Exception on failure |
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* @return void |
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*/ |
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protected function validateContent(string $content): void |
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{ |
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Assert::notEmpty($content); |
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} |
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/** |
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* Get the language this string is localized in. |
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* |
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* @return string |
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*/ |
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public function getLanguage(): string |
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{ |
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return $this->language; |
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} |
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/** |
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* Set the language this string is localized in. |
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* |
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* @param string $language |
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*/ |
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protected function setLanguage(string $language): void |
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{ |
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Assert::notEmpty($language, 'xml:lang cannot be empty.'); |
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$this->language = $language; |
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} |
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/** |
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* Convert XML into a class instance |
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* |
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* @param \DOMElement $xml The XML element we should load |
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* @return self |
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* |
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* @throws \SimpleSAML\XML\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 $xml): object |
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{ |
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Assert::same($xml->localName, static::getLocalName(), InvalidDOMElementException::class); |
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Assert::same($xml->namespaceURI, static::NS, InvalidDOMElementException::class); |
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Assert::true( |
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$xml->hasAttributeNS(C::NS_XML, 'lang'), |
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'Missing xml:lang from ' . static::getLocalName(), |
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MissingAttributeException::class, |
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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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return new static($xml->getAttributeNS(C::NS_XML, 'lang'), $xml->textContent); |
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} |
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90
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/** |
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* @param \DOMElement|null $parent |
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* @return \DOMElement |
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*/ |
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final public function toXML(DOMElement $parent = null): DOMElement |
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{ |
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$e = $this->instantiateParentElement($parent); |
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$e->setAttributeNS(C::NS_XML, 'xml:lang', $this->language); |
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$e->textContent = $this->getContent(); |
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return $e; |
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} |
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} |
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simplesamlphp /
xml-common
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