brightnucleus / config

src/AbstractConfig.php

Indentation +172 added lines, -172 removed lines

@@ -28,176 +28,176 @@
 abstract class AbstractConfig extends ArrayObject implements ConfigInterface
 {
 
-    /**
-     * Array of strings that are used as delimiters to parse configuration keys.
-     *
-     * @since 0.1.6
-     *
-     * @var array
-     */
-    protected $delimiter = ['\\', '/', '.'];
-
-    /**
-     * Instantiate the AbstractConfig object.
-     *
-     * @since 0.1.0
-     * @since 0.1.6 Accepts a delimiter to parse configuration keys.
-     *
-     * @param array                $config    Array with settings.
-     * @param string[]|string|null $delimiter A string or array of strings that are used as delimiters to parse
-     *                                        configuration keys. Defaults to "\", "/" & ".".
-     */
-    public function __construct(array $config, $delimiter = null)
-    {
-        // Make sure the config entries can be accessed as properties.
-        parent::__construct($config, ArrayObject::ARRAY_AS_PROPS);
-
-        if (null !== $delimiter) {
-            $this->delimiter = (array)$delimiter;
-        }
-    }
-
-    /**
-     * Get the value of a specific key.
-     *
-     * To get a value several levels deep, add the keys for each level as a comma-separated list.
-     *
-     * @since 0.1.0
-     * @since 0.1.4 Accepts list of keys.
-     *
-     * @param string ... List of keys.
-     * @return mixed
-     * @throws BadMethodCallException If no argument was provided.
-     * @throws OutOfRangeException If an unknown key is requested.
-     */
-    public function getKey()
-    {
-        $keys = $this->getKeyArguments(func_get_args());
-        Assert\that($keys)->all()->string()->notEmpty();
-
-        if (! $this->hasKey($keys)) {
-            throw new OutOfRangeException(
-                sprintf(
-                    _('The configuration key %1$s does not exist.'),
-                    implode('->', $keys)
-                )
-            );
-        }
-
-        $keys  = array_reverse($keys);
-        $array = $this->getArrayCopy();
-        while (count($keys) > 0) {
-            $key   = array_pop($keys);
-            $array = $array[$key];
-        }
-
-        return $array;
-    }
-
-    /**
-     * Check whether the Config has a specific key.
-     *
-     * To check a value several levels deep, add the keys for each level as a comma-separated list.
-     *
-     * @since 0.1.0
-     * @since 0.1.4 Accepts list of keys.
-     *
-     * @param string ... List of keys.
-     * @return bool
-     */
-    public function hasKey()
-    {
-        try {
-            $keys = array_reverse($this->getKeyArguments(func_get_args()));
-            Assert\thatAll($keys)->string()->notEmpty();
-
-            $array = $this->getArrayCopy();
-            while (count($keys) > 0) {
-                $key = array_pop($keys);
-                if (! array_key_exists($key, $array)) {
-                    return false;
-                }
-                $array = $array[$key];
-            }
-        } catch (Exception $exception) {
-            return false;
-        }
-
-        return true;
-    }
-
-    /**
-     * Get a (multi-dimensional) array of all the configuration settings.
-     *
-     * @since 0.1.4
-     *
-     * @return array
-     */
-    public function getAll()
-    {
-        return $this->getArrayCopy();
-    }
-
-    /**
-     * Get the an array with all the keys
-     *
-     * @since 0.1.0
-     * @return array
-     */
-    public function getKeys()
-    {
-        return array_keys((array)$this);
-    }
-
-    /**
-     * Recursively extract the configuration key arguments from an arbitrary array.
-     *
-     * @since 0.1.6
-     *
-     * @param array $arguments Array as fetched through get_func_args().
-     * @return array Array of strings.
-     * @throws BadMethodCallException If no argument was provided.
-     */
-    protected function getKeyArguments($arguments)
-    {
-        Assert\that($arguments)->isArray()->notEmpty();
-
-        $keys = [];
-        foreach ($arguments as $argument) {
-            if (is_array($argument)) {
-                $keys = array_merge($keys, $this->getKeyArguments($argument));
-            }
-            if (is_string($argument)) {
-                $keys = array_merge($keys, $this->parseKeysString($argument));
-            }
-        }
-
-        return $keys;
-    }
-
-    /**
-     * Extract individual keys from a delimited string.
-     *
-     * @since 0.1.6
-     *
-     * @param string $keyString Delimited string of keys.
-     * @return array Array of key strings.
-     */
-    protected function parseKeysString($keyString)
-    {
-        Assert\that($keyString)->string()->notEmpty();
-
-        // Replace all of the configured delimiters by the first one, so that we can then use explode().
-        $normalizedString = str_replace($this->delimiter, $this->delimiter[0], $keyString);
-
-        return (array)explode($this->delimiter[0], $normalizedString);
-    }
-
-    /**
-     * Validate the Config file.
-     *
-     * @since  0.1.0
-     * @return boolean
-     */
-    abstract public function isValid();
+	/**
+	 * Array of strings that are used as delimiters to parse configuration keys.
+	 *
+	 * @since 0.1.6
+	 *
+	 * @var array
+	 */
+	protected $delimiter = ['\\', '/', '.'];
+
+	/**
+	 * Instantiate the AbstractConfig object.
+	 *
+	 * @since 0.1.0
+	 * @since 0.1.6 Accepts a delimiter to parse configuration keys.
+	 *
+	 * @param array                $config    Array with settings.
+	 * @param string[]|string|null $delimiter A string or array of strings that are used as delimiters to parse
+	 *                                        configuration keys. Defaults to "\", "/" & ".".
+	 */
+	public function __construct(array $config, $delimiter = null)
+	{
+		// Make sure the config entries can be accessed as properties.
+		parent::__construct($config, ArrayObject::ARRAY_AS_PROPS);
+
+		if (null !== $delimiter) {
+			$this->delimiter = (array)$delimiter;
+		}
+	}
+
+	/**
+	 * Get the value of a specific key.
+	 *
+	 * To get a value several levels deep, add the keys for each level as a comma-separated list.
+	 *
+	 * @since 0.1.0
+	 * @since 0.1.4 Accepts list of keys.
+	 *
+	 * @param string ... List of keys.
+	 * @return mixed
+	 * @throws BadMethodCallException If no argument was provided.
+	 * @throws OutOfRangeException If an unknown key is requested.
+	 */
+	public function getKey()
+	{
+		$keys = $this->getKeyArguments(func_get_args());
+		Assert\that($keys)->all()->string()->notEmpty();
+
+		if (! $this->hasKey($keys)) {
+			throw new OutOfRangeException(
+				sprintf(
+					_('The configuration key %1$s does not exist.'),
+					implode('->', $keys)
+				)
+			);
+		}
+
+		$keys  = array_reverse($keys);
+		$array = $this->getArrayCopy();
+		while (count($keys) > 0) {
+			$key   = array_pop($keys);
+			$array = $array[$key];
+		}
+
+		return $array;
+	}
+
+	/**
+	 * Check whether the Config has a specific key.
+	 *
+	 * To check a value several levels deep, add the keys for each level as a comma-separated list.
+	 *
+	 * @since 0.1.0
+	 * @since 0.1.4 Accepts list of keys.
+	 *
+	 * @param string ... List of keys.
+	 * @return bool
+	 */
+	public function hasKey()
+	{
+		try {
+			$keys = array_reverse($this->getKeyArguments(func_get_args()));
+			Assert\thatAll($keys)->string()->notEmpty();
+
+			$array = $this->getArrayCopy();
+			while (count($keys) > 0) {
+				$key = array_pop($keys);
+				if (! array_key_exists($key, $array)) {
+					return false;
+				}
+				$array = $array[$key];
+			}
+		} catch (Exception $exception) {
+			return false;
+		}
+
+		return true;
+	}
+
+	/**
+	 * Get a (multi-dimensional) array of all the configuration settings.
+	 *
+	 * @since 0.1.4
+	 *
+	 * @return array
+	 */
+	public function getAll()
+	{
+		return $this->getArrayCopy();
+	}
+
+	/**
+	 * Get the an array with all the keys
+	 *
+	 * @since 0.1.0
+	 * @return array
+	 */
+	public function getKeys()
+	{
+		return array_keys((array)$this);
+	}
+
+	/**
+	 * Recursively extract the configuration key arguments from an arbitrary array.
+	 *
+	 * @since 0.1.6
+	 *
+	 * @param array $arguments Array as fetched through get_func_args().
+	 * @return array Array of strings.
+	 * @throws BadMethodCallException If no argument was provided.
+	 */
+	protected function getKeyArguments($arguments)
+	{
+		Assert\that($arguments)->isArray()->notEmpty();
+
+		$keys = [];
+		foreach ($arguments as $argument) {
+			if (is_array($argument)) {
+				$keys = array_merge($keys, $this->getKeyArguments($argument));
+			}
+			if (is_string($argument)) {
+				$keys = array_merge($keys, $this->parseKeysString($argument));
+			}
+		}
+
+		return $keys;
+	}
+
+	/**
+	 * Extract individual keys from a delimited string.
+	 *
+	 * @since 0.1.6
+	 *
+	 * @param string $keyString Delimited string of keys.
+	 * @return array Array of key strings.
+	 */
+	protected function parseKeysString($keyString)
+	{
+		Assert\that($keyString)->string()->notEmpty();
+
+		// Replace all of the configured delimiters by the first one, so that we can then use explode().
+		$normalizedString = str_replace($this->delimiter, $this->delimiter[0], $keyString);
+
+		return (array)explode($this->delimiter[0], $normalizedString);
+	}
+
+	/**
+	 * Validate the Config file.
+	 *
+	 * @since  0.1.0
+	 * @return boolean
+	 */
+	abstract public function isValid();
 }

src/Config.php

Indentation +211 added lines, -211 removed lines

@@ -1,13 +1,13 @@ 
 <?php
 /**
- * Generic Config contract implementation
- *
- * @package   BrightNucleus\Config
- * @author    Alain Schlesser <alain.schlesser@gmail.com>
- * @license   GPL-2.0+
- * @link      http://www.brightnucleus.com/
- * @copyright 2016 Alain Schlesser, Bright Nucleus
- */
+	 * Generic Config contract implementation
+	 *
+	 * @package   BrightNucleus\Config
+	 * @author    Alain Schlesser <alain.schlesser@gmail.com>
+	 * @license   GPL-2.0+
+	 * @link      http://www.brightnucleus.com/
+	 * @copyright 2016 Alain Schlesser, Bright Nucleus
+	 */
 
 namespace BrightNucleus\Config;
 
@@ -31,227 +31,227 @@ 
 class Config extends AbstractConfig
 {
 
-    /**
-     * The schema of the Config file.
-     *
-     * @var Schema
-     */
-    protected $schema;
+	/**
+	 * The schema of the Config file.
+	 *
+	 * @var Schema
+	 */
+	protected $schema;
 
-    /**
-     * The Validator class that gets asked to do the validation of the config.
-     *
-     * @since 0.1.0
-     *
-     * @var Validator
-     */
-    protected $validator;
+	/**
+	 * The Validator class that gets asked to do the validation of the config.
+	 *
+	 * @since 0.1.0
+	 *
+	 * @var Validator
+	 */
+	protected $validator;
 
-    /**
-     * Instantiate the Config object.
-     *
-     * It accepts either an array with the configuration settings, or a
-     * filename pointing to a PHP file it can include.
-     *
-     * @since 0.1.0
-     * @since 0.1.6 Accepts a delimiter to parse configuration keys.
-     *
-     * @param array|string         $config    Array with settings or filename for the
-     *                                        settings file.
-     * @param Schema|null          $schema    Optional. Config that contains default
-     *                                        values that can get overwritten.
-     * @param Validator|null       $validator Optional. Validator class that does the
-     *                                        actual validation.
-     * @param string[]|string|null $delimiter A string or array of strings that are used as delimiters to parse
-     *                                        configuration keys. Defaults to "\", "/" & ".".
-     * @throws InvalidArgumentException If the config source is not a string or
-     *                                        array.
-     * @throws RuntimeException         If loading of the config source failed.
-     * @throws UnexpectedValueException If the config file is not valid.
-     */
-    public function __construct(
-        $config,
-        Schema $schema = null,
-        Validator $validator = null,
-        $delimiter = null
-    ) {
-        $this->schema    = $schema;
-        $this->validator = $validator;
+	/**
+	 * Instantiate the Config object.
+	 *
+	 * It accepts either an array with the configuration settings, or a
+	 * filename pointing to a PHP file it can include.
+	 *
+	 * @since 0.1.0
+	 * @since 0.1.6 Accepts a delimiter to parse configuration keys.
+	 *
+	 * @param array|string         $config    Array with settings or filename for the
+	 *                                        settings file.
+	 * @param Schema|null          $schema    Optional. Config that contains default
+	 *                                        values that can get overwritten.
+	 * @param Validator|null       $validator Optional. Validator class that does the
+	 *                                        actual validation.
+	 * @param string[]|string|null $delimiter A string or array of strings that are used as delimiters to parse
+	 *                                        configuration keys. Defaults to "\", "/" & ".".
+	 * @throws InvalidArgumentException If the config source is not a string or
+	 *                                        array.
+	 * @throws RuntimeException         If loading of the config source failed.
+	 * @throws UnexpectedValueException If the config file is not valid.
+	 */
+	public function __construct(
+		$config,
+		Schema $schema = null,
+		Validator $validator = null,
+		$delimiter = null
+	) {
+		$this->schema    = $schema;
+		$this->validator = $validator;
 
-        // Make sure $config is either a string or array.
-        if (! (is_string($config) || is_array($config))) {
-            throw new InvalidArgumentException(
-                sprintf(
-                    _('Invalid configuration source: %1$s'),
-                    print_r($config, true)
-                )
-            );
-        }
+		// Make sure $config is either a string or array.
+		if (! (is_string($config) || is_array($config))) {
+			throw new InvalidArgumentException(
+				sprintf(
+					_('Invalid configuration source: %1$s'),
+					print_r($config, true)
+				)
+			);
+		}
 
-        if (is_string($config)) {
-            $config = $this->fetchArrayData($config);
-        }
+		if (is_string($config)) {
+			$config = $this->fetchArrayData($config);
+		}
 
-        // Run the $config through the OptionsResolver.
-        Assert\that($config)->isArray();
-        $config = $this->resolveOptions($config);
+		// Run the $config through the OptionsResolver.
+		Assert\that($config)->isArray();
+		$config = $this->resolveOptions($config);
 
-        // Instantiate the parent class.
-        try {
-            parent::__construct($config, $delimiter);
-        } catch (Exception $exception) {
-            throw new RuntimeException(
-                sprintf(
-                    _('Could not instantiate the configuration through its parent. Reason: %1$s'),
-                    $exception->getMessage()
-                )
-            );
-        }
+		// Instantiate the parent class.
+		try {
+			parent::__construct($config, $delimiter);
+		} catch (Exception $exception) {
+			throw new RuntimeException(
+				sprintf(
+					_('Could not instantiate the configuration through its parent. Reason: %1$s'),
+					$exception->getMessage()
+				)
+			);
+		}
 
-        // Finally, validate the resulting config.
-        if (! $this->isValid()) {
-            throw new UnexpectedValueException(
-                sprintf(
-                    _('ConfigInterface file is not valid: %1$s'),
-                    print_r($config, true)
-                )
-            );
-        }
-    }
+		// Finally, validate the resulting config.
+		if (! $this->isValid()) {
+			throw new UnexpectedValueException(
+				sprintf(
+					_('ConfigInterface file is not valid: %1$s'),
+					print_r($config, true)
+				)
+			);
+		}
+	}
 
-    /**
-     * Validate the Config file.
-     *
-     * @since  0.1.0
-     *
-     * @return boolean
-     */
-    public function isValid()
-    {
-        if ($this->validator) {
-            return $this->validator->isValid($this);
-        }
+	/**
+	 * Validate the Config file.
+	 *
+	 * @since  0.1.0
+	 *
+	 * @return boolean
+	 */
+	public function isValid()
+	{
+		if ($this->validator) {
+			return $this->validator->isValid($this);
+		}
 
-        return true;
-    }
+		return true;
+	}
 
-    /**
-     * Fetch array data from a string pointing to a file.
-     *
-     * @since 0.1.0
-     *
-     * @param  string $filename         Filename for the settings file.
-     * @return array                    Array with configuration settings.
-     * @throws RuntimeException         If the config source is a non-existing
-     *                                  file.
-     * @throws RuntimeException         If loading of the config source failed.
-     */
-    protected function fetchArrayData($filename)
-    {
-        try {
-            // Assert that $filename is a readable file.
-            Assert\that($filename)
-                ->notEmpty()
-                ->file()
-                ->readable();
+	/**
+	 * Fetch array data from a string pointing to a file.
+	 *
+	 * @since 0.1.0
+	 *
+	 * @param  string $filename         Filename for the settings file.
+	 * @return array                    Array with configuration settings.
+	 * @throws RuntimeException         If the config source is a non-existing
+	 *                                  file.
+	 * @throws RuntimeException         If loading of the config source failed.
+	 */
+	protected function fetchArrayData($filename)
+	{
+		try {
+			// Assert that $filename is a readable file.
+			Assert\that($filename)
+				->notEmpty()
+				->file()
+				->readable();
 
-            // Try to load the file through PHP's include().
-            // Make sure we don't accidentally create output.
-            ob_get_contents();
-            $config = include($filename);
-            ob_clean();
+			// Try to load the file through PHP's include().
+			// Make sure we don't accidentally create output.
+			ob_get_contents();
+			$config = include($filename);
+			ob_clean();
 
-            // The included should return an array.
-            Assert\that($config)->isArray();
-        } catch (Exception $exception) {
-            throw new RuntimeException(
-                sprintf(
-                    _('Loading from configuration source %1$s failed. Reason: %2$s'),
-                    (string)$filename,
-                    (string)$exception->getMessage()
-                )
-            );
-        }
+			// The included should return an array.
+			Assert\that($config)->isArray();
+		} catch (Exception $exception) {
+			throw new RuntimeException(
+				sprintf(
+					_('Loading from configuration source %1$s failed. Reason: %2$s'),
+					(string)$filename,
+					(string)$exception->getMessage()
+				)
+			);
+		}
 
-        return $config;
-    }
+		return $config;
+	}
 
-    /**
-     * Process the passed-in defaults and merge them with the new values, while
-     * checking that all required options are set.
-     *
-     * @since 0.1.0
-     *
-     * @param array $config             Configuration settings to resolve.
-     * @return array                    Resolved configuration settings.
-     * @throws UnexpectedValueException If there are errors while resolving the
-     *                                  options.
-     */
-    protected function resolveOptions($config)
-    {
-        if (! $this->schema) {
-            return $config;
-        }
+	/**
+	 * Process the passed-in defaults and merge them with the new values, while
+	 * checking that all required options are set.
+	 *
+	 * @since 0.1.0
+	 *
+	 * @param array $config             Configuration settings to resolve.
+	 * @return array                    Resolved configuration settings.
+	 * @throws UnexpectedValueException If there are errors while resolving the
+	 *                                  options.
+	 */
+	protected function resolveOptions($config)
+	{
+		if (! $this->schema) {
+			return $config;
+		}
 
-        try {
-            $resolver = new OptionsResolver();
-            if ($this->configureOptions($resolver)) {
-                $config = $resolver->resolve($config);
-            }
-        } catch (Exception $exception) {
-            throw new UnexpectedValueException(
-                sprintf(
-                    _('Error while resolving config options: %1$s'),
-                    $exception->getMessage()
-                )
-            );
-        }
+		try {
+			$resolver = new OptionsResolver();
+			if ($this->configureOptions($resolver)) {
+				$config = $resolver->resolve($config);
+			}
+		} catch (Exception $exception) {
+			throw new UnexpectedValueException(
+				sprintf(
+					_('Error while resolving config options: %1$s'),
+					$exception->getMessage()
+				)
+			);
+		}
 
-        return $config;
-    }
+		return $config;
+	}
 
-    /**
-     * Configure the possible and required options for the Config.
-     *
-     * This should return a bool to let the resolve_options() know whether the
-     * actual resolving needs to be done or not.
-     *
-     * @since 0.1.0
-     *
-     * @param OptionsResolver $resolver Reference to the OptionsResolver
-     *                                  instance.
-     * @return bool Whether to do the resolving.
-     * @throws UnexpectedValueException If there are errors while processing.
-     */
-    protected function configureOptions(OptionsResolver $resolver)
-    {
-        $defined  = $this->schema->getDefinedOptions();
-        $defaults = $this->schema->getDefaultOptions();
-        $required = $this->schema->getRequiredOptions();
+	/**
+	 * Configure the possible and required options for the Config.
+	 *
+	 * This should return a bool to let the resolve_options() know whether the
+	 * actual resolving needs to be done or not.
+	 *
+	 * @since 0.1.0
+	 *
+	 * @param OptionsResolver $resolver Reference to the OptionsResolver
+	 *                                  instance.
+	 * @return bool Whether to do the resolving.
+	 * @throws UnexpectedValueException If there are errors while processing.
+	 */
+	protected function configureOptions(OptionsResolver $resolver)
+	{
+		$defined  = $this->schema->getDefinedOptions();
+		$defaults = $this->schema->getDefaultOptions();
+		$required = $this->schema->getRequiredOptions();
 
-        if (! $defined && ! $defaults && ! $required) {
-            return false;
-        }
+		if (! $defined && ! $defaults && ! $required) {
+			return false;
+		}
 
-        try {
-            if ($defined) {
-                $resolver->setDefined($defined);
-            }
-            if ($defaults) {
-                $resolver->setDefaults($defaults);
-            }
-            if ($required) {
-                $resolver->setRequired($required);
-            }
-        } catch (Exception $exception) {
-            throw new UnexpectedValueException(
-                sprintf(
-                    _('Error while processing config options: %1$s'),
-                    $exception->getMessage()
-                )
-            );
-        }
+		try {
+			if ($defined) {
+				$resolver->setDefined($defined);
+			}
+			if ($defaults) {
+				$resolver->setDefaults($defaults);
+			}
+			if ($required) {
+				$resolver->setRequired($required);
+			}
+		} catch (Exception $exception) {
+			throw new UnexpectedValueException(
+				sprintf(
+					_('Error while processing config options: %1$s'),
+					$exception->getMessage()
+				)
+			);
+		}
 
-        return true;
-    }
+		return true;
+	}
 }

src/ConfigTrait.php

Indentation +100 added lines, -100 removed lines

@@ -1,13 +1,13 @@ 
 <?php
 /**
- * Config Trait
- *
- * @package   BrightNucleus\Config
- * @author    Alain Schlesser <alain.schlesser@gmail.com>
- * @license   GPL-2.0+
- * @link      http://www.brightnucleus.com/
- * @copyright 2016 Alain Schlesser, Bright Nucleus
- */
+	 * Config Trait
+	 *
+	 * @package   BrightNucleus\Config
+	 * @author    Alain Schlesser <alain.schlesser@gmail.com>
+	 * @license   GPL-2.0+
+	 * @link      http://www.brightnucleus.com/
+	 * @copyright 2016 Alain Schlesser, Bright Nucleus
+	 */
 
 namespace BrightNucleus\Config;
 
@@ -18,103 +18,103 @@ 
 trait ConfigTrait
 {
 
-    /**
-     * Reference to the Config object.
-     *
-     * @since 0.1.2
-     *
-     * @var ConfigInterface
-     */
-    protected $config;
+	/**
+	 * Reference to the Config object.
+	 *
+	 * @since 0.1.2
+	 *
+	 * @var ConfigInterface
+	 */
+	protected $config;
 
-    /**
-     * Process the passed-in configuration file.
-     *
-     * @since 0.1.2
-     *
-     * @param ConfigInterface $config The Config to process.
-     * @param                 string  ... List of keys.
-     * @throws RuntimeException If the arguments could not be parsed into a Config.
-     */
-    protected function processConfig(ConfigInterface $config)
-    {
-        if (func_num_args() > 1) {
-            try {
-                $keys = func_get_args();
-                array_shift($keys);
-                Assert\that($keys)->all()->string()->notEmpty();
-                $config = new Config($config->getKey($keys));
-            } catch (Exception $exception) {
-                throw new RuntimeException(
-                    sprintf(
-                        _('Could not process the config with the arguments "%1$s".'),
-                        print_r(func_get_args(), true)
-                    )
-                );
-            }
-        }
-        $this->config = $config;
-    }
+	/**
+	 * Process the passed-in configuration file.
+	 *
+	 * @since 0.1.2
+	 *
+	 * @param ConfigInterface $config The Config to process.
+	 * @param                 string  ... List of keys.
+	 * @throws RuntimeException If the arguments could not be parsed into a Config.
+	 */
+	protected function processConfig(ConfigInterface $config)
+	{
+		if (func_num_args() > 1) {
+			try {
+				$keys = func_get_args();
+				array_shift($keys);
+				Assert\that($keys)->all()->string()->notEmpty();
+				$config = new Config($config->getKey($keys));
+			} catch (Exception $exception) {
+				throw new RuntimeException(
+					sprintf(
+						_('Could not process the config with the arguments "%1$s".'),
+						print_r(func_get_args(), true)
+					)
+				);
+			}
+		}
+		$this->config = $config;
+	}
 
-    /**
-     * Check whether the Config has a specific key.
-     *
-     * To get a value several levels deep, add the keys for each level as a comma-separated list.
-     *
-     * @since 0.1.2
-     * @since 0.1.5 Accepts list of keys.
-     *
-     * @param string ... List of keys.
-     * @return bool Whether the key is known.
-     */
-    protected function hasConfigKey()
-    {
-        $keys = func_get_args();
-        Assert\that($keys)->all()->string()->notEmpty();
+	/**
+	 * Check whether the Config has a specific key.
+	 *
+	 * To get a value several levels deep, add the keys for each level as a comma-separated list.
+	 *
+	 * @since 0.1.2
+	 * @since 0.1.5 Accepts list of keys.
+	 *
+	 * @param string ... List of keys.
+	 * @return bool Whether the key is known.
+	 */
+	protected function hasConfigKey()
+	{
+		$keys = func_get_args();
+		Assert\that($keys)->all()->string()->notEmpty();
 
-        return $this->config->hasKey($keys);
-    }
+		return $this->config->hasKey($keys);
+	}
 
-    /**
-     * Get the Config value for a specific key.
-     *
-     * To get a value several levels deep, add the keys for each level as a comma-separated list.
-     *
-     * @since 0.1.2
-     * @since 0.1.5 Accepts list of keys.
-     *
-     * @param string ... List of keys.
-     * @return mixed Value of the key.
-     */
-    protected function getConfigKey()
-    {
-        $keys = func_get_args();
-        Assert\that($keys)->all()->string()->notEmpty();
+	/**
+	 * Get the Config value for a specific key.
+	 *
+	 * To get a value several levels deep, add the keys for each level as a comma-separated list.
+	 *
+	 * @since 0.1.2
+	 * @since 0.1.5 Accepts list of keys.
+	 *
+	 * @param string ... List of keys.
+	 * @return mixed Value of the key.
+	 */
+	protected function getConfigKey()
+	{
+		$keys = func_get_args();
+		Assert\that($keys)->all()->string()->notEmpty();
 
-        return $this->config->getKey($keys);
-    }
+		return $this->config->getKey($keys);
+	}
 
-    /**
-     * Get a (multi-dimensional) array of all the configuration settings.
-     *
-     * @since 0.1.4
-     *
-     * @return array All the configuration settings.
-     */
-    protected function getConfigArray()
-    {
-        return $this->config->getAll();
-    }
+	/**
+	 * Get a (multi-dimensional) array of all the configuration settings.
+	 *
+	 * @since 0.1.4
+	 *
+	 * @return array All the configuration settings.
+	 */
+	protected function getConfigArray()
+	{
+		return $this->config->getAll();
+	}
 
-    /**
-     * Get an array of all the keys that are known by the Config.
-     *
-     * @since 0.1.2
-     *
-     * @return array Array of strings containing all the keys.
-     */
-    protected function getConfigKeys()
-    {
-        return $this->config->getKeys();
-    }
+	/**
+	 * Get an array of all the keys that are known by the Config.
+	 *
+	 * @since 0.1.2
+	 *
+	 * @return array Array of strings containing all the keys.
+	 */
+	protected function getConfigKeys()
+	{
+		return $this->config->getKeys();
+	}
 }