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<?php |
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/* |
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* This file is part of the "elao/enum" package. |
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* |
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* Copyright (C) Elao |
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* |
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* @author Elao <[email protected]> |
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*/ |
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namespace Elao\Enum; |
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use Elao\Enum\Exception\LogicException; |
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/** |
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* Auto-discover enumerated values from public constants. |
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*/ |
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trait AutoDiscoveredValuesTrait |
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{ |
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/** @internal */ |
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private static $guessedValues = []; |
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/** @internal */ |
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private static $guessedReadables = []; |
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/** |
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* @see EnumInterface::values() |
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* |
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* @return int[]|string[] |
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*/ |
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public static function values(): array |
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{ |
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return self::autodiscoveredValues(); |
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} |
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/** |
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* @see ChoiceEnumTrait::choices() |
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*/ |
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protected static function choices(): array |
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{ |
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if (!in_array(ChoiceEnumTrait::class, class_uses(self::class, false), true)) { |
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throw new LogicException(sprintf( |
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'Method "%s" is only meant to be used when using the "%s" trait which is not used in "%s"', |
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__METHOD__, |
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ChoiceEnumTrait::class, |
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static::class |
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)); |
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} |
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return self::autodiscoveredReadables(); |
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} |
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/** |
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* @internal |
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*/ |
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private static function autodiscoveredValues(): array |
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{ |
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$enumType = static::class; |
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if (!isset(self::$guessedValues[$enumType])) { |
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$r = new \ReflectionClass($enumType); |
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$values = $r->getConstants(); |
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View Code Duplication |
if (PHP_VERSION_ID >= 70100) { |
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$values = array_filter($values, function (string $k) use ($r) { |
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return $r->getReflectionConstant($k)->isPublic(); |
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}, ARRAY_FILTER_USE_KEY); |
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} |
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if (is_a($enumType, FlaggedEnum::class, true)) { |
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$values = array_filter($values, function ($v) { |
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return is_int($v) && 0 === ($v & $v - 1) && $v > 0; |
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}); |
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} else { |
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$values = array_filter($values, function ($v) { |
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return is_int($v) || is_string($v); |
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}); |
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} |
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self::$guessedValues[$enumType] = array_values($values); |
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} |
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return self::$guessedValues[$enumType]; |
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} |
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/** |
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* @internal |
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*/ |
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View Code Duplication |
private static function autodiscoveredReadables(): array |
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{ |
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$enumType = static::class; |
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if (!isset(self::$guessedReadables[$enumType])) { |
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$constants = (new \ReflectionClass($enumType))->getConstants(); |
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foreach (self::autodiscoveredValues() as $value) { |
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$constantName = array_search($value, $constants, true); |
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self::$guessedReadables[$enumType][$value] = ucfirst(strtolower(str_replace('_', ' ', $constantName))); |
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} |
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} |
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return self::$guessedReadables[$enumType]; |
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} |
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} |
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Elao /
PhpEnums
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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.