SimpleSAML\XMLSchema\XML\Unique

Complexity

Total Complexity

2

Size/Duplication

Total Lines	60
Duplicated Lines	0 %

Importance

Changes

0

2 Methods

Rating	Name	Duplication	Size	Complexity
A	fromXML()	0	21	1
A	__construct()	0	9	1

<?php

declare(strict_types=1);

namespace SimpleSAML\XMLSchema\XML;

use DOMElement;
use SimpleSAML\XML\Assert\Assert;
use SimpleSAML\XML\{SchemaValidatableElementInterface, SchemaValidatableElementTrait};
use SimpleSAML\XMLSchema\Exception\{InvalidDOMElementException, MissingElementException, TooManyElementsException};
use SimpleSAML\XMLSchema\Type\{IDValue, NCNameValue};
use SimpleSAML\XMLSchema\XML\Interface\IdentityConstraintInterface;

use function array_pop;

/**
 * Class representing the unique-element.
 *
 * @package simplesamlphp/xml-common
 */
final class Unique extends AbstractKeybase implements IdentityConstraintInterface, SchemaValidatableElementInterface
{
    use SchemaValidatableElementTrait;

    /** @var string */
    public const LOCALNAME = 'unique';


    /**
     * Unique constructor
     *
     * @param \SimpleSAML\XMLSchema\Type\NCNameValue $name
     * @param \SimpleSAML\XMLSchema\XML\Selector $selector
     * @param array<\SimpleSAML\XMLSchema\XML\Field> $field
     * @param \SimpleSAML\XMLSchema\XML\Annotation|null $annotation
     * @param \SimpleSAML\XMLSchema\Type\IDValue|null $id
     * @param array<\SimpleSAML\XML\Attribute> $namespacedAttributes
     */
    public function __construct(
        NCNameValue $name,
        Selector $selector,
        array $field = [],
        ?Annotation $annotation = null,
        ?IDValue $id = null,
        array $namespacedAttributes = [],
    ) {
        parent::__construct($name, $selector, $field, $annotation, $id, $namespacedAttributes);
    }


    /**
     * 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);

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

        $selector = Selector::getChildrenOfClass($xml);
        Assert::minCount($selector, 1, MissingElementException::class);
        Assert::maxCount($selector, 1, TooManyElementsException::class);

        $field = Field::getChildrenOfClass($xml);

        return new static(
            self::getAttribute($xml, 'name', NCNameValue::class),
            $selector[0],
            $field,
            array_pop($annotation),
            self::getOptionalAttribute($xml, 'id', IDValue::class, null),
            self::getAttributesNSFromXML($xml),
        );
    }
}