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<?php
/**
* This file is part of the MediaWiki skin Chameleon.
*
* @copyright 2013 - 2014, Stephan Gambke, mwjames
* @license GNU General Public License, version 3 (or any later version)
*
* The Chameleon skin is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option) any
* later version.
*
* The Chameleon skin is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*
* @file
* @ingroup Skins
*/
namespace Skins\Chameleon\Tests\Util;
use DOMDocument;
use DOMElement;
use RuntimeException;
/**
* @group skins-chameleon
* @group mediawiki-databaseless
*
* @author mwjames
* @author Stephan Gambke
* @since 1.0
* @ingroup Skins
* @ingroup Test
*/
class DocumentElementFinder {
protected $file = null;
protected $document = null;
/**
* @since 1.0
*
* @param string $file
*/
public function __construct( $file ) {
$this->file = $file;
}
/**
* @since 1.0
*
* @param string $type
*
* @return DOMElement|null
*/
public function getComponentByTypeAttribute( $type ) {
$elements = $this->getComponentsByTypeAttribute( $type );
if ( count( $elements ) > 0 ) {
return array_shift( $elements );
}
return null;
}
/**
* @since 1.0
*
* @param string $type
*
* @return DOMElement[]
*/
public function getComponentsByTypeAttribute( $type ) {
$elements = array();
$elementList = $this->getDocument()->getElementsByTagName( strtolower( $type ) );
foreach( $elementList as $element ){
$elements[] = $element;
}
$elementList = $this->getDocument()->getElementsByTagName( '*' );
foreach ( $elementList as $element ) {
if ( $element instanceOf DOMElement && $element->hasAttribute( 'type' ) && $element->getAttribute( 'type' ) === $type ) {
$elements[] = $element;
}
}
return $elements;
}
protected function getDocument() {
if ( $this->document !== null ) {
return $this->document;
}
$file = str_replace( array( '\\', '/' ), DIRECTORY_SEPARATOR, $this->file );
if ( !is_readable( $file ) ) {
throw new RuntimeException( "Expected an accessible {$file} path" );
}
$document = new DOMDocument;
$document->validateOnParse = true;
if ( !$document->load( $file ) ) {
throw new RuntimeException( "Unable to load {$file} file" );
}
$document->normalizeDocument();
return $document;
}
}
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