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<?php declare(strict_types=1); |
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namespace DaveRandom\LibLifxLan; |
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abstract class Enum |
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{ |
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private static $constantCache = []; |
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/** |
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* Get a map of member names to values for the specified class name |
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* |
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* @param string $className |
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* @return array |
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*/ |
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private static function getClassConstants(string $className): array |
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{ |
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return self::$constantCache[$className] |
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?? self::$constantCache[$className] = (new \ReflectionClass($className))->getConstants(); |
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} |
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/** |
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* Get the name of the first member with the specified value |
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* |
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* @param mixed $searchValue |
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* @param bool $looseComparison |
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* @return string |
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*/ |
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final public static function parseValue($searchValue, bool $looseComparison = false): string |
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{ |
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foreach (self::getClassConstants(static::class) as $name => $memberValue) { |
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if ($searchValue === $memberValue || ($looseComparison && $searchValue == $memberValue)) { |
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return $name; |
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} |
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} |
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throw new \InvalidArgumentException('Unknown enumeration value: ' . $searchValue); |
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} |
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/** |
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* Get the value of the member with the specified name |
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* |
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* @param string $searchName |
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* @param bool $caseInsensitive |
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* @return mixed |
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*/ |
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final public static function parseName(string $searchName, bool $caseInsensitive = false) |
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{ |
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$constants = self::getClassConstants(static::class); |
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if (isset($constants[$searchName])) { |
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return $constants[$searchName]; |
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} |
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if ($caseInsensitive) { |
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foreach ($constants as $memberName => $value) { |
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if (\strcasecmp($searchName, $memberName) === 0) { |
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return $value; |
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} |
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} |
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} |
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throw new \InvalidArgumentException('Unknown enumeration member: ' . $searchName); |
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} |
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final public static function toArray(): array |
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{ |
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return self::getClassConstants(static::class); |
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} |
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final protected function __construct() { } |
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} |
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DaveRandom /
LibLifxLan
