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<?php |
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namespace Noodlehaus; |
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use Noodlehaus\Exception\FileNotFoundException; |
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use Noodlehaus\Exception\UnsupportedFormatException; |
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use Noodlehaus\Exception\EmptyDirectoryException; |
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/** |
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* Config |
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* |
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* @package Config |
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* @author Jesus A. Domingo <[email protected]> |
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* @author Hassan Khan <[email protected]> |
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* @link https://github.com/noodlehaus/config |
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* @license MIT |
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*/ |
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class Config extends AbstractConfig |
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{ |
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/** |
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* All file formats supported by Config |
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* |
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* @var array |
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*/ |
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private $supportedFileParsers = array( |
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'Noodlehaus\FileParser\Php', |
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'Noodlehaus\FileParser\Ini', |
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'Noodlehaus\FileParser\Json', |
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'Noodlehaus\FileParser\Xml', |
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'Noodlehaus\FileParser\Yaml', |
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'Noodlehaus\FileParser\Neon' |
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); |
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/** |
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* Static method for loading a Config instance. |
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* |
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* @param string|array $path |
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* |
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* @return Config |
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*/ |
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public static function load($path) |
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{ |
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return new static($path); |
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} |
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/** |
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* Loads a supported configuration file format. |
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* |
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* @param string|array $path |
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* |
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* @throws EmptyDirectoryException If `$path` is an empty directory |
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*/ |
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public function __construct($path) |
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{ |
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$paths = $this->getValidPath($path); |
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$this->data = array(); |
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foreach ($paths as $path) { |
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// Get file information |
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$info = pathinfo($path); |
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$parts = explode('.', $info['basename']); |
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$extension = array_pop($parts); |
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if ($extension === 'dist') { |
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$extension = array_pop($parts); |
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} |
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$parser = $this->getParser($extension); |
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// Try and load file |
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$this->data = array_replace_recursive($this->data, (array) $parser->parse($path)); |
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} |
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parent::__construct($this->data); |
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} |
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/** |
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* Gets a parser for a given file extension |
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* |
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* @param string $extension |
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* |
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* @return Noodlehaus\FileParser\FileParserInterface |
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* |
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* @throws UnsupportedFormatException If `$path` is an unsupported file format |
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*/ |
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private function getParser($extension) |
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{ |
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$parser = null; |
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foreach ($this->supportedFileParsers as $fileParser) { |
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$tempParser = new $fileParser; |
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if (in_array($extension, $tempParser->getSupportedExtensions($extension))) { |
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$parser = $tempParser; |
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continue; |
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} |
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} |
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// If none exist, then throw an exception |
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if ($parser === null) { |
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throw new UnsupportedFormatException('Unsupported configuration format'); |
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} |
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return $parser; |
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} |
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/** |
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* Gets an array of paths |
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* |
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* @param array $path |
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* |
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* @return array |
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* |
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* @throws FileNotFoundException If a file is not found at `$path` |
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*/ |
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private function getPathFromArray($path) |
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{ |
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$paths = array(); |
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foreach ($path as $unverifiedPath) { |
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try { |
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// Check if `$unverifiedPath` is optional |
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// If it exists, then it's added to the list |
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// If it doesn't, it throws an exception which we catch |
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if ($unverifiedPath[0] !== '?') { |
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$paths = array_merge($paths, $this->getValidPath($unverifiedPath)); |
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continue; |
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} |
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$optionalPath = ltrim($unverifiedPath, '?'); |
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$paths = array_merge($paths, $this->getValidPath($optionalPath)); |
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} catch (FileNotFoundException $e) { |
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// If `$unverifiedPath` is optional, then skip it |
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if ($unverifiedPath[0] === '?') { |
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continue; |
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} |
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// Otherwise rethrow the exception |
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throw $e; |
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} |
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} |
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return $paths; |
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} |
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/** |
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* Checks `$path` to see if it is either an array, a directory, or a file |
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* |
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* @param string|array $path |
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* |
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* @return array |
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* |
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* @throws EmptyDirectoryException If `$path` is an empty directory |
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* |
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* @throws FileNotFoundException If a file is not found at `$path` |
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*/ |
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private function getValidPath($path) |
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{ |
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// If `$path` is array |
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if (is_array($path)) { |
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return $this->getPathFromArray($path); |
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} |
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// If `$path` is a directory |
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if (is_dir($path)) { |
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$paths = glob($path . '/*.*'); |
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if (empty($paths)) { |
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throw new EmptyDirectoryException("Configuration directory: [$path] is empty"); |
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} |
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return $paths; |
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} |
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// If `$path` is not a file, throw an exception |
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if (!file_exists($path)) { |
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throw new FileNotFoundException("Configuration file: [$path] cannot be found"); |
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} |
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return array($path); |
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} |
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} |
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|
hassankhan /
config
