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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 Exception; |
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use Slick\Di\DefinitionLoader\DirectoryDefinitionLoader; |
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/** |
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* Container Builder |
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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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final class ContainerBuilder implements ContainerBuilderInterface |
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{ |
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private ?ContainerInterface $container = null; |
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/** |
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* @var array|string |
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*/ |
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private string|array $definitions = []; |
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/** |
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* @throws Exception|\Slick\Di\Exception |
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*/ |
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public function __construct($definitions = []) |
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{ |
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if (is_array($definitions)) { |
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$this->definitions = $definitions; |
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return; |
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} |
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$this->load(new DirectoryDefinitionLoader($definitions)); |
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} |
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/** |
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* @inheritdoc |
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* @throws Exception |
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*/ |
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public function load(DefinitionLoaderInterface $loader): ContainerBuilder |
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{ |
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if ($loader instanceof ContainerAwareInterface) { |
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$loader->setContainer($this->getContainer()); |
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} |
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$definitions = (array) $loader->getIterator(); |
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$this->definitions = array_merge($this->definitions, $definitions); |
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$this->setContainer(new Container()); |
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return $this; |
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} |
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/** |
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* Get current container |
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* |
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* If no container was created a new, empty container will be created. |
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* |
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* @return ContainerInterface |
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*/ |
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public function getContainer(): ContainerInterface |
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{ |
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if (!$this->container) { |
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$this->setContainer(new Container()); |
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} |
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return $this->container; |
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} |
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/** |
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* Set the dependency container |
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* |
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* @param ContainerInterface $container |
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* |
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* @return ContainerBuilder |
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*/ |
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public function setContainer(ContainerInterface $container): ContainerBuilder |
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{ |
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$this->container = $container; |
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$this->hydrateContainer($this->definitions); |
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return $this; |
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} |
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/** |
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* Hydrates the container with provided definitions |
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* |
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* @param array $definitions |
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*/ |
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protected function hydrateContainer(array $definitions): void |
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{ |
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foreach ($definitions as $name => $definition) { |
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$this->container->register($name, $definition); |
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} |
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} |
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} |
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slickframework /
di
Loading history...
Let?s assume that you have a directory layout like this:
. |-- OtherDir | |-- Bar.php | `-- Foo.php `-- SomeDir `-- Foo.phpand let?s assume the following content of
Bar.php:If both files
OtherDir/Foo.phpandSomeDir/Foo.phpare loaded in the same runtime, you will see a PHP error such as the following:PHP Fatal error: Cannot use SomeDir\Foo as Foo because the name is already in use in OtherDir/Foo.phpHowever, as
OtherDir/Foo.phpdoes not necessarily have to be loaded and the error is only triggered if it is loaded beforeOtherDir/Bar.php, this problem might go unnoticed for a while. In order to prevent this error from surfacing, you must import the namespace with a different alias: