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<?php |
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/** |
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* Copyright (c) 2016-present Ganbaro Digital Ltd |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* * Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* |
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* * Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in |
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* the documentation and/or other materials provided with the |
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* distribution. |
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* |
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* * Neither the names of the copyright holders nor the names of his |
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* contributors may be used to endorse or promote products derived |
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* from this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN |
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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* POSSIBILITY OF SUCH DAMAGE. |
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* |
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* @category Libraries |
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* @package Actionables/Values |
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* @author Stuart Herbert <[email protected]> |
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* @copyright 2016-present Ganbaro Digital Ltd www.ganbarodigital.com |
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* @license http://www.opensource.org/licenses/bsd-license.php BSD License |
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* @link http://code.ganbarodigital.com/php-data-containers |
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*/ |
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namespace GanbaroDigital\Actionables\Values; |
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/** |
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* An Actionable represents: |
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* |
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* - a callable piece of PHP code |
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* - with associated metadata |
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* |
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* It's the metadata that adds the real value. If your app doesn't need |
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* the metadata, you're better off sticking with PHP's native callables. |
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*/ |
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class Actionable |
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{ |
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/** |
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* the callable code that we represent |
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* @var callable |
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*/ |
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private $action; |
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/** |
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* the full path to the file where $action's code is defined |
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* @var string |
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*/ |
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private $sourceFilename; |
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/** |
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* a (possibly empty) list of tags that describe this Actionable |
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* |
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* @var array |
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*/ |
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private $tags = []; |
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/** |
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* constructor |
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* |
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* @param callable $action |
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* the callable code that we represent |
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* @param string $sourceFilename |
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* the full path to the file where $action's code is defined |
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* @param array $tags |
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* a list of tags that describe this Actionable |
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*/ |
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public function __construct(callable $action, $sourceFilename, $tags = []) |
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{ |
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$this->action = $action; |
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$this->sourceFilename = $sourceFilename; |
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$this->tags = array_combine(array_values($tags), array_values($tags)); |
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} |
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/** |
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* execute this callable |
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* |
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* @param array $params |
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* the parameters to pass into our callable |
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* @return mixed |
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* returns whatever our callable returns |
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*/ |
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public function __invoke(array $params) |
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{ |
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return call_user_func_array($this->action, $params); |
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} |
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/** |
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* what is the full path to the PHP file where the action's code is defined? |
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* |
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* @return string |
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*/ |
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public function getSourceFilename() |
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{ |
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return $this->sourceFilename; |
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} |
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/** |
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* what is the full list of this Actionable's tags? |
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* |
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* @return array |
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*/ |
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public function getTags() |
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{ |
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return array_values($this->tags); |
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} |
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/** |
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* does this Actionable have a specific tag? |
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* |
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* @param string $tagName |
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* the tag that we want to check for |
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* @return boolean |
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* TRUE if we have this tag |
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* FALSE otherwise |
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*/ |
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public function hasTag($tagName) |
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{ |
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return isset($this->tags[$tagName]); |
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} |
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} |
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