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<?php |
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/** |
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* apparat-object |
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* |
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* @category Apparat |
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* @package Apparat\Object |
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* @subpackage Apparat\Object\Application |
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* @author Joschi Kuphal <[email protected]> / @jkphl |
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* @copyright Copyright © 2016 Joschi Kuphal <[email protected]> / @jkphl |
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* @license http://opensource.org/licenses/MIT The MIT License (MIT) |
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*/ |
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/*********************************************************************************** |
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* The MIT License (MIT) |
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* |
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* Copyright © 2016 Joschi Kuphal <[email protected]> / @jkphl |
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* |
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* Permission is hereby granted, free of charge, to any person obtaining a copy of |
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* this software and associated documentation files (the "Software"), to deal in |
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* the Software without restriction, including without limitation the rights to |
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of |
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* the Software, and to permit persons to whom the Software is furnished to do so, |
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* subject to the following conditions: |
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* |
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* The above copyright notice and this permission notice shall be included in all |
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* copies or substantial portions of the Software. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS |
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* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR |
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER |
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
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***********************************************************************************/ |
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namespace Apparat\Object\Domain\Model\Properties; |
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use Apparat\Object\Domain\Model\Object\ObjectInterface; |
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/** |
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* Abstract generic object properties collection |
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* |
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* @package Apparat\Object |
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* @subpackage Apparat\Object\Application |
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*/ |
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abstract class AbstractGenericProperties extends AbstractProperties implements GenericPropertiesInterface |
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{ |
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/** |
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* Property collection constructor |
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* |
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* @param array $data Property data |
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* @param ObjectInterface $object Owner object |
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*/ |
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public function __construct(array $data, ObjectInterface $object) |
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{ |
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parent::__construct($data, $object); |
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} |
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/** |
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* Get a property value |
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* |
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* Multi-level properties might be traversed by property name paths separated with colons (":"). |
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* |
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* @param string $property Property name |
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* @return mixed Property value |
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* @throws InvalidArgumentException If the property name is invalid |
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*/ |
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public function getProperty($property) |
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{ |
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$propertyPath = $this->buildPropertyPath($property); |
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// Traverse the property tree |
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$propertyPathSteps = []; |
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$data =& $this->data; |
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foreach ($propertyPath as $property) { |
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$propertyPathSteps[] = $property; |
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// If the property name step is invalid |
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if (!array_key_exists($property, $data)) { |
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throw new InvalidArgumentException( |
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sprintf( |
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'Invalid property name "%s"', |
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implode(self::PROPERTY_TRAVERSAL_SEPARATOR, $propertyPathSteps) |
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), |
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InvalidArgumentException::INVALID_PROPERTY_NAME |
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); |
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} |
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$data =& $data[$property]; |
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} |
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return $data; |
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} |
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/** |
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* Translate a property name to a property path segments |
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* |
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* @param string $property Property name |
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* @return array Property path |
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* @throws InvalidArgumentException If the property name is empty |
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*/ |
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protected function buildPropertyPath($property) |
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{ |
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$propertyPath = array_filter(array_map('trim', explode(self::PROPERTY_TRAVERSAL_SEPARATOR, $property))); |
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// If the property traversal path is empty |
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if (!count($propertyPath)) { |
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throw new InvalidArgumentException('Empty property name', InvalidArgumentException::EMPTY_PROPERTY_NAME); |
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} |
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return $propertyPath; |
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} |
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/** |
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* Set a property value |
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* |
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* Multi-level properties might be traversed by property name paths separated with colons (":"). |
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* |
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* @param string $property Property name |
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* @param mixed $value Property value |
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* @return GenericPropertiesInterface Self reference |
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*/ |
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public function setProperty($property, $value) |
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{ |
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$propertyPath = $this->buildPropertyPath($property); |
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// Traverse the property tree |
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$mutated = false; |
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$propertyPathSteps = []; |
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$dataRoot = $this->data; |
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$data =& $dataRoot; |
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foreach ($propertyPath as $property) { |
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$propertyPathSteps[] = $property; |
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// If the property name step is invalid |
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if (!array_key_exists($property, $data)) { |
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$data[$property] = []; |
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$mutated = true; |
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} |
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$data =& $data[$property]; |
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} |
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// If a new property is created with a non-empty value or an existing property is altered: Mutate |
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if ($mutated ? !empty($value) : ($value !== $data)) { |
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$data = $value; |
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return new static($dataRoot, $this->object); |
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} |
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return $this; |
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} |
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} |
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apparat /
object
