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<?php |
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/* |
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* This file is part of the tmilos/value package. |
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* |
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* (c) Milos Tomic <[email protected]> |
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* |
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* This source file is subject to the MIT license that is bundled |
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* with this source code in the file LICENSE. |
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*/ |
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namespace Tmilos\Value; |
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abstract class AbstractEnum extends AbstractValue implements Enum |
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{ |
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/** @var array */ |
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private static $constantsCache = []; |
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/** @var array */ |
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private static $reflectionClassCache = []; |
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/** |
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* Returns array of all Enum instances index by their values. |
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* |
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* @return Enum[] Constant name => Enum |
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*/ |
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public static function all() |
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{ |
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$result = []; |
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foreach (self::getConstants() as $k => $v) { |
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if (static::isValid($v)) { |
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/** @var Value $object */ |
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$object = new static($v); |
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$result[$object->getValue()] = $object; |
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} |
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} |
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return $result; |
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} |
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/** |
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* Returns array of constant values. |
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* |
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* @return array |
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*/ |
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public static function values() |
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{ |
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return array_values(self::getConstants()); |
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} |
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/** |
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* Check if is valid enum value. |
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* |
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* @param $value |
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* |
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* @return bool |
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*/ |
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public static function isValid($value) |
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{ |
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return in_array($value, self::getConstants()); |
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} |
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/** |
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* Returns a value when called statically like so: MyEnum::SOME_VALUE() given SOME_VALUE is a class constant. |
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* |
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* @param string $name |
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* @param array $arguments |
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* |
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* @return static |
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* |
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* @throws \BadMethodCallException |
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*/ |
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public static function __callStatic($name, array $arguments = []) |
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{ |
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$array = self::getConstants(); |
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if (array_key_exists($name, $array)) { |
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$reflectionClass = self::getReflectionClass(); |
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array_unshift($arguments, $array[$name]); |
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return $reflectionClass->newInstanceArgs($arguments); |
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} |
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throw new \BadMethodCallException(sprintf('No static method or enum constant "%s" in class "%s"', $name, get_called_class())); |
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} |
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/** |
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* @return \ReflectionClass |
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*/ |
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View Code Duplication |
private static function getReflectionClass() |
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{ |
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$class = get_called_class(); |
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if (!array_key_exists($class, self::$reflectionClassCache)) { |
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self::inspect($class); |
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} |
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return self::$reflectionClassCache[$class]; |
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} |
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View Code Duplication |
private static function getConstants() |
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{ |
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$class = get_called_class(); |
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if (!array_key_exists($class, self::$constantsCache)) { |
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self::inspect($class); |
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} |
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return self::$constantsCache[$class]; |
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} |
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private static function inspect($class) |
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{ |
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if (!array_key_exists($class, self::$reflectionClassCache)) { |
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$reflection = new \ReflectionClass($class); |
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self::$reflectionClassCache[$class] = $reflection; |
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self::$constantsCache[$class] = $reflection->getConstants(); |
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} |
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} |
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} |
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Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation.
You can also find more detailed suggestions in the “Code” section of your repository.