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<?php |
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/** |
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* This file is part of slick/di package |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Slick\Di; |
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use Slick\Common\BaseMethods; |
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use Slick\Di\Definition\Alias; |
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use Slick\Di\Exception\InvalidArgumentException; |
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/** |
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* ContainerBuilder for dependency container creation |
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* |
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* @package Slick\Di |
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* @author Filipe Silva <[email protected]> |
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* |
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* @method array getDefinitions() Returns the source definitions |
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*/ |
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final class ContainerBuilder |
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{ |
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/** |
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* For easy getters and setters |
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*/ |
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use BaseMethods; |
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/** |
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* @read |
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* @var array |
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*/ |
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protected $definitions = []; |
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/** |
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* @read |
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* @var bool |
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*/ |
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protected $override = false; |
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/** |
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* @read |
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* @var Container |
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*/ |
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protected $container; |
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/** |
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* Creates a container builder with provided definitions and override mode |
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* |
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* @param array|string $definitions |
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* The definitions list for container creation |
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* @param bool $override |
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* Set to true to override existing definitions |
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*/ |
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public function __construct($definitions, $override = false) |
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{ |
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$this->definitions = $this->checkDefinitions($definitions); |
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$this->override = $override; |
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} |
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/** |
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* Creates a container with existing definitions |
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* |
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* @return Container |
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*/ |
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public function getContainer() |
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{ |
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if (is_null($this->container)) { |
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$this->container = new Container(); |
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$this->applyDefinitions(); |
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} |
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return $this->container; |
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} |
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/** |
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* Apply definitions to content |
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*/ |
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private function applyDefinitions() |
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{ |
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foreach($this->definitions as $name => $entry) { |
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if ( |
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is_string($entry) && |
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preg_match('/^@(?P<key>.*)$/i', $entry, $result) |
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) { |
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$entry = new Alias(['target' => $result['key']]); |
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} |
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if (!$this->container->has($name) || $this->override) { |
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$this->container->register($name, $entry); |
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} |
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} |
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} |
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/** |
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* Checks the data to be returned |
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* |
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* @param string|array $definitions |
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* @return array |
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*/ |
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private function checkDefinitions($definitions) |
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{ |
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if (is_array($definitions)) { |
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return $definitions; |
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} |
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if (is_string($definitions) && file_exists($definitions)) { |
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$data = include($definitions); |
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return $this->checkDefinitions($data); |
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} |
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throw new InvalidArgumentException( |
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"Definitions file not found or invalid. Cannot create ". |
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"container builder." |
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2 |
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); |
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} |
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} |
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slickframework /
di
