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<?php |
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/** |
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* Phoole (PHP7.2+) |
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* |
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* @category Library |
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* @package Phoole\Di |
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* @copyright Copyright (c) 2019 Hong Zhang |
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*/ |
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declare(strict_types=1); |
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namespace Phoole\Di\Util; |
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use Phoole\Config\ConfigAwareTrait; |
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use Psr\Container\ContainerInterface; |
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use Phoole\Base\Reference\ReferenceTrait; |
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/** |
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* ContainerTrait |
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* |
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* @package Phoole\Di |
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*/ |
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trait ContainerTrait |
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{ |
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use FactoryTrait; |
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use ReferenceTrait; |
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use ConfigAwareTrait; |
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/** |
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* delegator for object lookup |
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* |
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* @var ContainerInterface |
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*/ |
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protected $delegator; |
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/** |
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* object pool |
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* |
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* @var array |
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*/ |
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protected $objects; |
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/** |
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* @var string[] |
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*/ |
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protected $classNames = []; |
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/** |
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* service definition prefix |
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* |
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* @var string |
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*/ |
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protected $prefix = 'di.service.'; |
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/** |
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* common prefix |
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* |
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* @var string |
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*/ |
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protected $common = 'di.common'; |
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/** |
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* Reload all service definitions |
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* |
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* @return void |
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*/ |
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protected function reloadAll(): void |
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{ |
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$this->objects = []; |
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// some predefined objects |
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$this->objects['config'] = $this->getConfig(); |
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$this->objects['container'] = $this->delegator; |
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// do the job |
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$settings = &($this->getConfig()->getTree())->get(''); |
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$this->deReference($settings); |
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} |
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/** |
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* Get the instance |
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* |
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* @param string $id |
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* @return object |
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*/ |
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protected function getInstance(string $id): object |
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{ |
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// get new object |
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if ('@' === substr($id, -1)) { |
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return $this->newInstance($id); |
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} |
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// check the pool for shared object |
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if (!isset($this->objects[$id])) { |
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$object = $this->newInstance($id); |
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$this->objects[$id] = $object; |
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$this->classNames[get_class($object)] = $object; |
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} |
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return $this->objects[$id]; |
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} |
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/** |
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* creaet a new instance |
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* |
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* @param string $id |
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* @return object |
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*/ |
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protected function newInstance(string $id): object |
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{ |
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$def = $this->getConfig()->get($this->getRawId($id)); |
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$obj = $this->fabricate($def); |
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$this->executeCommon($obj); |
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return $obj; |
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} |
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/** |
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* get the raw id as defined in $config |
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* |
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* @param string $id |
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* @return string |
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*/ |
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protected function getRawId(string $id): string |
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{ |
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return $this->prefix . explode('@', $id, 2)[0]; |
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} |
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/** |
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* execute common methods for newed objects |
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* |
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* @param object $object |
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* @return void |
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*/ |
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protected function executeCommon(object $object): void |
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{ |
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if ($this->getConfig()->has($this->common)) { |
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foreach ($this->getConfig()->get($this->common) as $line) { |
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list($runner, $arguments) = $this->fixMethod($object, (array) $line); |
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$this->executeCallable($runner, $arguments); |
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} |
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} |
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} |
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/** |
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* Try find a service in the definition |
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* |
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* @param string $id |
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* @return bool |
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*/ |
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protected function hasDefinition(string $id): bool |
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{ |
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return $this->getConfig()->has($this->getRawId($id)); |
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} |
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/** |
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* @param string $className |
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* @return object|null |
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*/ |
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protected function matchClass(string $className): ?object |
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{ |
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foreach ($this->classNames as $class => $object) { |
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if (is_a($className, $class, TRUE)) { |
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return $object; |
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} |
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} |
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return NULL; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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protected function getReference(string $name) |
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{ |
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return $this->delegator->get($name); |
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} |
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} |
phoole /
di
