TagNameMatcher.php
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TagNameMatcher.php
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	<?php

	namespace WMDE\HamcrestHtml;

	use DOMElement;
	use Hamcrest\Description;
	use Hamcrest\Matcher;
	use Hamcrest\Util;

	class TagNameMatcher extends TagMatcher {

	/**
	* @var Matcher
	*/
	private $tagNameMatcher;

	/**
	* @param Matcher\|string $tagName
	*
	* @return self
	*/
	public static function withTagName( $tagName ) {
	return new static( Util::wrapValueWithIsEqual( $tagName ) );
	}

	public function __construct( Matcher $tagNameMatcher ) {
	parent::__construct();
	$this->tagNameMatcher = $tagNameMatcher;
	}

	public function describeTo( Description $description ) {
	$description->appendText( 'with tag name ' )
	->appendDescriptionOf( $this->tagNameMatcher );
	}

	/**
	* @param DOMElement $item
	* @param Description $mismatchDescription
	*
	* @return bool
	*/
	protected function matchesSafelyWithDiagnosticDescription(
	$item, Description $mismatchDescription
	) {
	if ( $this->tagNameMatcher->matches( $item->tagName ) ) {
	return true;
	}

	$mismatchDescription->appendText( 'tag name ' );
	$this->tagNameMatcher->describeMismatch( $item->tagName, $mismatchDescription );
	return false;
	}

	}