src/RdfaLiteMicrodata/Application/Context/AbstractContext.php
<?php
/**
* rdfa-lite-microdata
*
* @category Jkphl
* @package Jkphl\RdfaLiteMicrodata
* @subpackage Jkphl\RdfaLiteMicrodata\Application
* @author Joschi Kuphal <joschi@tollwerk.de> / @jkphl
* @copyright Copyright © 2017 Joschi Kuphal <joschi@tollwerk.de> / @jkphl
* @license http://opensource.org/licenses/MIT The MIT License (MIT)
*/
/***********************************************************************************
* The MIT License (MIT)
*
* Copyright © 2017 Joschi Kuphal <joschi@kuphal.net> / @jkphl
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
* the Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
***********************************************************************************/
namespace Jkphl\RdfaLiteMicrodata\Application\Context;
use Jkphl\RdfaLiteMicrodata\Application\Parser\RootThing;
use Jkphl\RdfaLiteMicrodata\Domain\Thing\ThingInterface;
use Jkphl\RdfaLiteMicrodata\Domain\Vocabulary\VocabularyInterface;
/**
* Abstract parsing context
*
* @package Jkphl\RdfaLiteMicrodata
* @subpackage Jkphl\RdfaLiteMicrodata\Application
*/
abstract class AbstractContext implements ContextInterface
{
/**
* Current default vocabulary
*
* @var VocabularyInterface
*/
protected $defaultVocabulary = null;
/**
* Parent thing
*
* @var ThingInterface
*/
protected $parentThing;
/**
* Root thing
*
* @var RootThing
*/
protected $rootThing;
/**
* Context constructor
*/
public function __construct()
{
$this->parentThing = $this->rootThing = new RootThing();
}
/**
* Return the registered child things
*
* @return ThingInterface[] Child things
*/
public function getChildren()
{
return $this->rootThing->getChildren();
}
/**
* Return the current parent thing
*
* @return ThingInterface|null Parent thing
*/
public function getParentThing()
{
return $this->parentThing;
}
/**
* Set the parent thing
*
* @param ThingInterface $parentThing Parent thing
* @return ContextInterface Self reference
*/
public function setParentThing(ThingInterface $parentThing)
{
// If the new parent thing differs from the current one
if ($this->parentThing !== $parentThing) {
$context = clone $this;
$context->parentThing = $parentThing;
return $context;
}
return $this;
}
/**
* Add a child thing to the current parent thing
*
* @param ThingInterface $thing Child thing
* @return ContextInterface Self reference
*/
public function addChild(ThingInterface $thing)
{
$this->rootThing->addChild($thing);
return $this;
}
/**
* Return the current default vocabulary
*
* @return VocabularyInterface Current default vocabulary
*/
public function getDefaultVocabulary()
{
return $this->defaultVocabulary;
}
}