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<?php |
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namespace HexMakina\LeMarchand; |
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class ReflectionFactory |
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{ |
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private static $instance_cache = []; |
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public static function make($class, $construction_args = [], $container) |
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{ |
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try { |
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$rc = new \ReflectionClass($class); |
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$instance = null; |
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if (!is_null($constructor = $rc->getConstructor())) { |
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$instance = self::makeWithContructorArgs($rc, $construction_args, $container); |
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} else { |
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$instance = $rc->newInstanceArgs(); |
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} |
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if ($rc->hasMethod('set_container')) { |
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$instance->set_container($container); |
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} |
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self::setCacheFor($class, $instance); |
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return $instance; |
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} catch (\ReflectionException $e) { |
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throw new ContainerException($e->getMessage()); |
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} |
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} |
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public static function hasCacheFor($class) |
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{ |
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return isset(self::$instance_cache[$class]) |
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} |
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public static function getCacheFor($class) |
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{ |
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return self::$instance_cache[$class]; |
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} |
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public static function setCacheFor($class, $instance) |
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{ |
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self::$instance_cache[$class] = $instance; |
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} |
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private static function makeWithContructorArgs(\ReflectionClass $rc, $construction_args, $container) |
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{ |
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$constructor = $rc->getConstructor(); |
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$construction_args = self::getConstructorParameters($constructor, $construction_args, $container); |
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$instance = null; |
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if ($constructor->isPrivate()) { // singleton ? |
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// first argument is the static instance-making method |
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$singleton_method = $rc->getMethod(array_shift($construction_args)); |
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// invoke the method with remaining constructor args |
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$instance = $container->resolved($rc->getName(), $singleton_method->invoke(null, $construction_args)); |
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} else { |
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$instance = $rc->newInstanceArgs($construction_args); |
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} |
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return $instance; |
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} |
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private static function getConstructorParameters(\ReflectionMethod $constructor, $construction_args = [], $container) |
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{ |
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if (empty($construction_args)) { |
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foreach ($constructor->getParameters() as $param) { |
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if ($param->getType()) { |
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$construction_args [] = $container->get($param->getType()->getName()); |
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} else { |
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$setting = 'settings.Constructor.' . $constructor->class . '.' . $param->getName(); |
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$construction_args [] = $container->getSettings($setting); |
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} |
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} |
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} |
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return $construction_args; |
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} |
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} |
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HexMakina /
LeMarchand
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