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<?php
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/**
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* This file is part of the O2System Framework 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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* @author Steeve Andrian Salim
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* @copyright Copyright (c) Steeve Andrian Salim
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*/
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// ------------------------------------------------------------------------
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namespace O2System\Spl\Containers;
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// ------------------------------------------------------------------------
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use Psr\Container\ContainerInterface;
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use O2System\Spl\Containers\DataStructures\SplServiceRegistry;
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/**
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* Class SplServiceContainer
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*
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* @package O2System\Spl\Dependency
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*/
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class SplServiceContainer implements \Countable, ContainerInterface
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{
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/**
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* Inversion Control Closure Container
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*
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* @var array
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*/
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private $services = [];
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// ------------------------------------------------------------------------
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/**
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* SplServiceContainer::service
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*
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* Adds an service object into the services container.
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*
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* @param string $offset
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* @param SplServiceRegistry $service
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*/
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public function attach($offset, SplServiceRegistry $service)
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{
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$this->services[ $offset ] = $service;
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}
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// ------------------------------------------------------------------------
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/**
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* SplServiceContainer::__unset
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*
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* A convenient way to removes a specific service object
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* by doing unset( $services->offset )
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*
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* @param string $offset
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*/
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public function __unset($offset)
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{
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$this->detach($offset);
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}
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// ------------------------------------------------------------------------
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/**
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* SplServiceContainer::detach
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*
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* Removes a specific service object
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*
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* @param string $offset
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*/
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public function detach($offset)
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{
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if (isset($this->services[ $offset ])) {
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unset($this->services[ $offset ]);
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}
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}
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// ------------------------------------------------------------------------
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/**
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* SplServiceContainer::__isset
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*
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* A convenient way to checks if the container has a specific service object,
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* by doing isset( $services->offset )
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*
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* @param string $offset
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*
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* @return bool
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*/
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public function __isset($offset)
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{
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return $this->has($offset);
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}
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// ------------------------------------------------------------------------
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/**
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* SplServiceContainer::has
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*
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* Checks if the registry contains a specific service object.
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*
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* @param string $offset
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*
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* @return bool
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*/
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public function has($offset)
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{
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return (bool)isset($this->services[ $offset ]);
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}
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// ------------------------------------------------------------------------
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/**
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* SplServiceContainer::__get
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*
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* A convenient way to access the specific service object,
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* by doing $services->offset
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*
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* @param string $offset
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*
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* @return bool
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*/
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public function &__get($offset)
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{
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$get[ $offset ] = $this->get($offset);
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return $get[ $offset ];
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}
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// ------------------------------------------------------------------------
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/**
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* SplServiceContainer::get
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*
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* Returns the service object.
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*
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* @param string $offset
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* @param array $arguments
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*
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* @return mixed Returns FALSE when calling the service is failed.
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*/
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public function &get($offset, array $arguments = [])
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{
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$get[ $offset ] = false;
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if ($this->has($offset)) {
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$service = $this->services[ $offset ];
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if ($service instanceof SplServiceRegistry) {
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if (empty($arguments)) {
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return $service->getInstance();
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} else {
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if ($service->hasMethod('__construct')) {
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$newServiceInstance = $service->newInstanceArgs($arguments);
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} else {
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$newServiceInstance = $service->getInstance();
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}
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if ($DocComment = $service->getDocComment()) {
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preg_match_all('/@inject\s(.*)/', $DocComment, $matches);
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if (count($matches[ 1 ])) {
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foreach ($matches[ 1 ] as $className) {
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$className = trim($className, '\\');
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$className = trim($className);
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$map = strtolower(get_class_name($className));
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if (isset($this->map[ $className ])) {
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$map = $this->map[ $className ];
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}
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$variable = $map;
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$object =& $this->get($map);
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preg_match_all('/[$](.*)\s(.*)/', trim($className), $classMatches);
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if (count($classMatches[ 1 ])) {
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$variable = $classMatches[ 1 ][ 0 ];
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}
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$setterMethod = ucwords(str_replace(['-', '_'], ' ', $variable));
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$setterMethod = str_replace(' ', '', $setterMethod);
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$setterMethod = 'set' . $setterMethod;
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if (method_exists($newServiceInstance, $setterMethod)) {
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$newServiceInstance->{$setterMethod}($object);
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} elseif (method_exists($newServiceInstance, '__set')) {
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$newServiceInstance->__set($variable, $object);
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} else {
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$newServiceInstance->{$variable} =& $object;
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}
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}
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}
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}
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$get[ $offset ] = $newServiceInstance;
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}
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}
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}
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return $get[ $offset ];
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}
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// ------------------------------------------------------------------------
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/**
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* SplServiceContainer::count
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*
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* Count elements of an object
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*
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* @link http://php.net/manual/en/countable.count.php
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* @return int The custom count as an integer.
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* </p>
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* <p>
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* The return value is cast to an integer.
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* @since 5.1.0
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*/
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public function count()
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{
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return count($this->services);
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}
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} |
o2system /
spl
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