SimpleSAML\XMLSchema\XML\xs\ReferencedAttributeGroup

Complexity

Total Complexity

1

Size/Duplication

Total Lines	32
Duplicated Lines	0 %

Importance

Changes	1
Bugs	0	Features	0

1 Method

Rating	Name	Duplication	Size	Complexity
A	fromXML()	0	17	1

<?php

declare(strict_types=1);

namespace SimpleSAML\XMLSchema\XML\xs;

use DOMElement;
use SimpleSAML\XML\Assert\Assert;
use SimpleSAML\XMLSchema\Exception\{InvalidDOMElementException, SchemaViolationException, TooManyElementsException};
use SimpleSAML\XMLSchema\Type\Builtin\{IDValue, QNameValue};

use function array_pop;

/**
 * Class representing the attributeGroup-element.
 *
 * @package simplesamlphp/xml-common
 */
final class ReferencedAttributeGroup extends AbstractReferencedAttributeGroup
{
    /** @var string */
    public const LOCALNAME = 'attributeGroup';


    /**
     * Create an instance of this object from its XML representation.
     *
     * @param \DOMElement $xml
     * @return static
     *
     * @throws \SimpleSAML\XMLSchema\Exception\InvalidDOMElementException
     *   if the qualified name of the supplied element is wrong
     */
    public static function fromXML(DOMElement $xml): static
    {
        Assert::same($xml->localName, static::getLocalName(), InvalidDOMElementException::class);
        Assert::same($xml->namespaceURI, static::NS, InvalidDOMElementException::class);

        // Prohibited attributes
        $name = self::getOptionalAttribute($xml, 'name', QNameValue::class, null);
        Assert::null($name, SchemaViolationException::class);

        $annotation = Annotation::getChildrenOfClass($xml);
        Assert::maxCount($annotation, 1, TooManyElementsException::class);

        return new static(
            self::getAttribute($xml, 'ref', QNameValue::class),
            array_pop($annotation),
            self::getOptionalAttribute($xml, 'id', IDValue::class, null),
            self::getAttributesNSFromXML($xml),
        );
    }
}