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<?php |
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/** |
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* slince config library |
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* @author Tao <[email protected]> |
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*/ |
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namespace Slince\Config; |
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use Slince\Config\Exception\UnsupportedFormatException; |
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use Slince\Config\Exception\InvalidFileException; |
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use Slince\Config\Parser\IniParser; |
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use Slince\Config\Parser\JsonParser; |
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use Slince\Config\Parser\ParserInterface; |
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use Slince\Config\Parser\PHPParser; |
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use Slince\Config\Parser\XmlParser; |
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use Slince\Config\Parser\YamlParser; |
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class Config extends Collection implements ConfigInterface |
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{ |
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/** |
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* Array of parser instances |
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* @var array |
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*/ |
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protected static $parsers = []; |
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/** |
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* Array of supported file format parsers |
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* @var array |
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*/ |
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protected static $supportedFileParsers = [ |
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PHPParser::class, |
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IniParser::class, |
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JsonParser::class, |
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XmlParser::class, |
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YamlParser::class |
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]; |
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public function __construct($path = null) |
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{ |
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parent::__construct([]); |
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is_null($path) || $this->load($path); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function load($path) |
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{ |
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$paths = is_array($path) ? $path : [$path]; |
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foreach ($paths as $path) { |
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$this->merge($this->parseConfiguration($path)); |
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} |
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return $this; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function dump($file) |
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{ |
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$extension = pathinfo($file, PATHINFO_EXTENSION); |
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return static::getParser($extension)->dump($file, $this->toArray()); |
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} |
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/** |
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* Parse a configuration file or directory to an array |
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* @param string $path |
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* @return array |
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* @deprecated |
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*/ |
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public function parse($path) |
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{ |
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return $this->parseConfiguration($path); |
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} |
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/** |
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* Add a custom parser |
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* @param ParserInterface $parser |
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*/ |
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public static function addParser(ParserInterface $parser) |
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{ |
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foreach ($parser::getSupportedExtensions() as $extension) { |
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static::$parsers[$extension] = $parser; |
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} |
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} |
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/** |
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* Parse a configuration file or directory to an array |
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* @param string $path |
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* @return array |
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*/ |
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protected function parseConfiguration($path) |
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{ |
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$files = $this->findConfigurationFiles($path); |
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$data = []; |
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foreach ($files as $file) { |
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$extension = pathinfo($file, PATHINFO_EXTENSION); |
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$data = array_merge($data, static::getParser($extension)->parse($file)); |
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} |
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return $data; |
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} |
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/** |
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* finds all supported configuration files at the directory |
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* @param string $path |
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* @throws InvalidFileException |
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* @return array |
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*/ |
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protected function findConfigurationFiles($path) |
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{ |
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if (is_dir($path)) { |
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$files = glob($path . '/*.*'); |
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if (empty($files)) { |
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throw new InvalidFileException(sprintf('There is no configuration file in the directory "%s"', $path)); |
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} |
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} else { |
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if (!file_exists($path)) { |
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throw new InvalidFileException(sprintf('File "%s" does not exists', $path)); |
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} |
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$files = [$path]; |
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} |
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return $files; |
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} |
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/** |
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* Gets a file parser by its extension |
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* @param string $extension |
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* @throws UnsupportedFormatException |
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* @return ParserInterface |
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*/ |
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protected static function getParser($extension) |
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{ |
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if (isset(static::$parsers[$extension])) { |
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return static::$parsers[$extension]; |
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} |
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foreach (static::$supportedFileParsers as $parser) { |
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if (in_array($extension, call_user_func([$parser, 'getSupportedExtensions']))) { |
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static::$parsers[$extension] = new $parser(); |
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return static::$parsers[$extension]; |
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} |
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} |
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throw new UnsupportedFormatException($extension); |
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} |
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} |
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slince /
config
