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| 1 | <?php |
| 2 | |
| 3 | declare(strict_types=1); |
| 4 | |
| 5 | namespace WsdlToPhp\PackageGenerator\ConfigurationReader; |
| 6 | |
| 7 | use Symfony\Component\Yaml\Parser; |
| 8 | |
| 9 | abstract class AbstractYamlReader |
| 10 | { |
| 11 | protected static array $instances; |
| 12 | |
| 13 | protected string $filename; |
| 14 | |
| 15 | abstract protected function __construct(string $filename); |
| 16 | |
| 17 | abstract public static function getDefaultConfigurationPath(): string; |
| 18 | |
| 19 | /** |
| 20 | * @throws \InvalidArgumentException |
| 21 | */ |
| 22 | public static function instance(?string $filename = null): self |
| 23 | { |
| 24 | $loadFilename = empty($filename) ? static::getDefaultConfigurationPath() : $filename; |
| 25 | if (empty($loadFilename) || !is_file($loadFilename)) { |
| 26 | throw new \InvalidArgumentException(sprintf('Unable to locate file "%s"', $loadFilename), __LINE__); |
| 27 | } |
| 28 | |
| 29 | $key = sprintf('%s_%s', static::class, $loadFilename); |
| 30 | if (!isset(self::$instances[$key])) { |
| 31 | self::$instances[$key] = new static($loadFilename); |
| 32 | } |
| 33 | |
| 34 | return self::$instances[$key]; |
| 35 | } |
| 36 | |
| 37 | /** |
| 38 | * For tests purpose only! |
| 39 | */ |
| 40 | public static function resetInstances(): void |
| 41 | { |
| 42 | self::$instances = []; |
| 43 | } |
| 44 | |
| 45 | protected function loadYaml(string $filename) |
| 46 | { |
| 47 | $ymlParser = new Parser(); |
| 48 | |
| 49 | return $ymlParser->parse(file_get_contents($filename)); |
| 50 | } |
| 51 | |
| 52 | /** |
| 53 | * @throws \InvalidArgumentException |
| 54 | */ |
| 55 | protected function parseSimpleArray(string $filename, string $mainKey): array |
| 56 | { |
| 57 | $values = $this->loadYaml($filename); |
| 58 | if (!array_key_exists($mainKey, $values)) { |
| 59 | throw new \InvalidArgumentException(sprintf('Unable to find section "%s" in "%s"', $mainKey, $filename), __LINE__); |
| 60 | } |
| 61 | |
| 62 | return $values[$mainKey]; |
| 63 | } |
| 64 | } |