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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\Logger |
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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\Logger\Processor; |
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use Phoole\Logger\Entry\LogEntryInterface; |
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/** |
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* VerifyCallableTrait |
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* |
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* @package Phoole\Logger |
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*/ |
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trait VerifyCallableTrait |
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{ |
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/** |
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* callable parameter class to match with |
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* |
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* @var string |
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*/ |
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protected static $parameterClass = LogEntryInterface::class; |
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/** |
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* Callable must take ONE parameter of THIS type $className |
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* |
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* ```php |
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* callable(className $object) { |
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* } |
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* ``` |
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* |
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* @param callable $callable |
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* @param string $className parameter classname |
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* @return string parameter real classname |
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* @throws \LogicException if not valid processor |
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*/ |
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protected static function verifyCallable( |
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callable $callable, |
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?string $className = NULL |
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): string { |
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try { |
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$parameters = static::getCallableParameters($callable); |
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$className = $className ?? self::$parameterClass; |
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if (1 !== count($parameters) || |
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!is_a($parameters[0]->getClass()->getName(), $className, TRUE) |
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) { |
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throw new \InvalidArgumentException("non valid processor found"); |
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} |
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return $parameters[0]->getClass()->getName(); |
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} catch (\Throwable $e) { |
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throw new \LogicException($e->getMessage()); |
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} |
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} |
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/** |
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* Get callable parameters |
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* |
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* @param callable $callable |
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* @return \ReflectionParameter[] |
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* @throws \InvalidArgumentException if something goes wrong |
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*/ |
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protected static function getCallableParameters(callable $callable): array |
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{ |
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try { |
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if (is_array($callable)) { // [class, method] |
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$reflector = new \ReflectionClass($callable[0]); |
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$method = $reflector->getMethod($callable[1]); |
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} elseif (is_string($callable) || $callable instanceof \Closure) { // function |
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$method = new \ReflectionFunction($callable); |
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} else { // __invokable |
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$reflector = new \ReflectionClass($callable); |
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$method = $reflector->getMethod('__invoke'); |
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} |
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} catch (\Throwable $e) { |
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throw new \InvalidArgumentException($e->getMessage()); |
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} |
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return $method->getParameters(); |
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} |
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} |
phoole /
logger
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