add EnumMapping

Author: MartkCz

src/EnumMapping.php

@@ -0,0 +1,42 @@
+<?php declare(strict_types = 1);
+
+namespace Warengo\Enum;
+
+final class EnumMapping
+{
+
+	/** @var string[] */
+	private array $mapping = [];
+
+	private string $class;
+
+	/**
+	 * @param bool[] $mapping
+	 */
+	public function __construct(string $class, array $mapping)
+	{
+		$this->class = $class;
+		foreach ($mapping as $key => $bool) {
+			$this->mapping[strtoupper($key)] = $key;
+		}
+	}
+
+	public function getClass(): string
+	{
+		return $this->class;
+	}
+
+	public function callableGetter(): callable
+	{
+		return [$this->getClass(), 'get'];
+	}
+
+	/**
+	 * @return string[]
+	 */
+	public function getMapping(): array
+	{
+		return $this->mapping;
+	}
+
+}

src/EnumStatic.php

@@ -22,6 +22,10 @@ abstract class EnumStatic
 	 */
 	abstract protected static function getEnums(): array;
 
+	final public static function createMapping(): EnumMapping {
+		return new EnumMapping(static::class, self::getEnumsCached());
+	}
+
 	/**
 	 * @param mixed[] $arguments
 	 */