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<?php declare(strict_types=1); |
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namespace ApiClients\Tools\ResourceTestUtilities; |
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use Exception; |
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use Generator; |
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use RecursiveDirectoryIterator; |
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use RecursiveIteratorIterator; |
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use ReflectionClass; |
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final class Types |
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{ |
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protected static $types = []; |
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/** |
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* @var bool |
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*/ |
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protected static $doneScanning = false; |
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/** |
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* @return Generator<Type> |
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*/ |
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public static function types(): Generator |
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{ |
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if (self::$doneScanning && count(self::$types) > 0) { |
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yield from self::$types; |
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return; |
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} |
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$path = __DIR__ . DIRECTORY_SEPARATOR . 'Type' . DIRECTORY_SEPARATOR; |
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$directory = new RecursiveDirectoryIterator($path); |
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$directory = new RecursiveIteratorIterator($directory); |
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foreach ($directory as $node) { |
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$nodePath = $node->getPath() . DIRECTORY_SEPARATOR . $node->getFilename(); |
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if (!is_file($nodePath)) { |
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continue; |
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} |
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$fileName = str_replace('/', '\\', $nodePath); |
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$class = __NAMESPACE__ . '\\Type\\' . substr(substr($fileName, strlen($path)), 0, -4); |
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if (class_exists($class) && (new ReflectionClass($class))->implementsInterface(Type::class)) { |
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$type = new $class(); |
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self::$types[$type->scalar()] = $type; |
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yield $type; |
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} |
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} |
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self::$doneScanning = true; |
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} |
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/** |
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* @param string $type |
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* @return bool |
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*/ |
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public static function has(string $type): bool |
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{ |
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self::ensureTypes(); |
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return isset(self::$types[$type]); |
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} |
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/** |
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* @param string $type |
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* @throws Exception |
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* @return Type |
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*/ |
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public static function get(string $type): Type |
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{ |
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self::ensureTypes(); |
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if (isset(self::$types[$type])) { |
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return self::$types[$type]; |
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} |
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throw new Exception('Type "' . $type . '" not found, use has to check"'); |
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} |
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/** |
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* Reset state. |
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*/ |
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public static function reset() |
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{ |
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self::$types = []; |
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self::$doneScanning = false; |
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} |
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/** |
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* A wee bit hacky, but this ensures that when ever `has` or `get` is called before `types` |
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* all types are detected and available for `has` and `get`. |
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*/ |
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protected static function ensureTypes() |
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{ |
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if (self::$doneScanning && count(self::$types) > 0) { |
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return; |
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} |
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foreach (self::types() as $t) { |
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} |
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} |
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} |
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