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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\Framework\ObjectManager\Factory;
class Compiled extends AbstractFactory
{
/**
* Object manager config
*
* @var \Magento\Framework\ObjectManager\ConfigInterface
*/
protected $config;
/**
* Global arguments
*
* @var array
*/
protected $globalArguments;
/**
* @var array
*/
private $sharedInstances;
/**
* @param \Magento\Framework\ObjectManager\ConfigInterface $config
* @param array $sharedInstances
* @param array $globalArguments
*/
public function __construct(
\Magento\Framework\ObjectManager\ConfigInterface $config,
&$sharedInstances = [],
$globalArguments = []
) {
$this->config = $config;
$this->globalArguments = $globalArguments;
$this->sharedInstances = &$sharedInstances;
}
/**
* Create instance with call time arguments
*
* @param string $requestedType
* @param array $arguments
* @return object
* @throws \Exception
* @SuppressWarnings(PHPMD.CyclomaticComplexity)
*/
public function create($requestedType, array $arguments = [])
{
$args = $this->config->getArguments($requestedType);
$type = $this->config->getInstanceType($requestedType);
if ($args === []) {
// Case 1: no arguments required
return new $type();
} elseif ($args !== null) {
/**
* Case 2: arguments retrieved from pre-compiled DI cache
*
* Argument key meanings:
*
* _i_: shared instance of a class or interface
* _ins_: non-shared instance of a class or interface
* _v_: non-array literal value
* _vac_: array, may be nested and contain other types of keys listed here (objects, array, nulls, etc)
* _vn_: null value
* _a_: value to be taken from named environment variable
* _d_: default value in case environment variable specified by _a_ does not exist
*/
foreach ($args as $key => &$argument) {
if (isset($arguments[$key])) {
$argument = $arguments[$key];
} elseif (isset($argument['_i_'])) {
$argument = $this->get($argument['_i_']);
} elseif (isset($argument['_ins_'])) {
$argument = $this->create($argument['_ins_']);
} elseif (isset($argument['_v_'])) {
$argument = $argument['_v_'];
} elseif (isset($argument['_vac_'])) {
$argument = $argument['_vac_'];
$this->parseArray($argument);
} elseif (isset($argument['_vn_'])) {
$argument = null;
} elseif (isset($argument['_a_'])) {
if (isset($this->globalArguments[$argument['_a_']])) {
$argument = $this->globalArguments[$argument['_a_']];
} else {
$argument = $argument['_d_'];
}
}
}
$args = array_values($args);
} else {
// Case 3: arguments retrieved in runtime
$parameters = $this->getDefinitions()->getParameters($type) ?: [];
$args = $this->resolveArgumentsInRuntime(
$type,
$parameters,
$arguments
);
}
return $this->createObject($type, $args);
}
/**
* Parse array argument
*
* @param array $array
*
* @return void
*
* @SuppressWarnings(PHPMD.UnusedLocalVariable)
*/
protected function parseArray(&$array)
{
foreach ($array as $key => &$argument) {
if ($argument === (array)$argument) {
if (isset($argument['_i_'])) {
$argument = $this->get($argument['_i_']);
} elseif (isset($argument['_ins_'])) {
$argument = $this->create($argument['_ins_']);
} elseif (isset($argument['_a_'])) {
if (isset($this->globalArguments[$argument['_a_']])) {
$argument = $this->globalArguments[$argument['_a_']];
} else {
$argument = $argument['_d_'];
}
} else {
$this->parseArray($argument);
}
}
}
}
/**
* Retrieve cached object instance
*
* @param string $type
* @return mixed
*/
protected function get($type)
{
if (!isset($this->sharedInstances[$type])) {
$this->sharedInstances[$type] = $this->create($type);
}
return $this->sharedInstances[$type];
}
}