brightnucleus / view

src/View/Engine/Engine.php

Indentation +11 added lines, -11 removed lines

@@ -24,15 +24,15 @@
 interface Engine extends Findable
 {
 
-    /**
-     * Get the rendering callback for a given URI.
-     *
-     * @since 0.1.0
-     *
-     * @param string $uri     URI to render.
-     * @param array  $context Context in which to render.
-     *
-     * @return string Rendered HTML.
-     */
-    public function getRenderCallback($uri, array $context = []);
+	/**
+	 * Get the rendering callback for a given URI.
+	 *
+	 * @since 0.1.0
+	 *
+	 * @param string $uri     URI to render.
+	 * @param array  $context Context in which to render.
+	 *
+	 * @return string Rendered HTML.
+	 */
+	public function getRenderCallback($uri, array $context = []);
 }

src/View/Engine/BaseEngineFinder.php

Indentation +32 added lines, -32 removed lines

@@ -24,39 +24,39 @@
 class BaseEngineFinder extends AbstractFinder
 {
 
-    /**
-     * Find a result based on a specific criteria.
-     *
-     * @since 0.1.0
-     *
-     * @param array $criteria Criteria to search for.
-     *
-     * @return Engine Result of the search.
-     */
-    public function find(array $criteria)
-    {
-        $this->initializeFindables();
+	/**
+	 * Find a result based on a specific criteria.
+	 *
+	 * @since 0.1.0
+	 *
+	 * @param array $criteria Criteria to search for.
+	 *
+	 * @return Engine Result of the search.
+	 */
+	public function find(array $criteria)
+	{
+		$this->initializeFindables();
 
-        foreach ($criteria as $entry) {
-            foreach ($this->findables as $engine) {
-                if ($engine->canHandle($entry)) {
-                    return $engine;
-                }
-            }
-        }
+		foreach ($criteria as $entry) {
+			foreach ($this->findables as $engine) {
+				if ($engine->canHandle($entry)) {
+					return $engine;
+				}
+			}
+		}
 
-        return $this->getNullObject();
-    }
+		return $this->getNullObject();
+	}
 
-    /**
-     * Get the config key for the Findables definitions.
-     *
-     * @since 0.1.0
-     *
-     * @return string Config key use to define the Findables.
-     */
-    protected function getFindablesConfigKey()
-    {
-        return 'Engines';
-    }
+	/**
+	 * Get the config key for the Findables definitions.
+	 *
+	 * @since 0.1.0
+	 *
+	 * @return string Config key use to define the Findables.
+	 */
+	protected function getFindablesConfigKey()
+	{
+		return 'Engines';
+	}
 }

src/View/Engine/PHPEngine.php

Indentation +63 added lines, -63 removed lines

@@ -26,76 +26,76 @@
 class PHPEngine extends AbstractEngine
 {
 
-    const PHP_EXTENSION = '.php';
+	const PHP_EXTENSION = '.php';
 
-    /**
-     * Check whether the Findable can handle an individual criterion.
-     *
-     * @since 0.1.0
-     *
-     * @param mixed $criterion Criterion to check.
-     *
-     * @return bool Whether the Findable can handle the criterion.
-     */
-    public function canHandle($criterion)
-    {
-        return URIHelper::hasExtension($criterion, static::PHP_EXTENSION)
-               && is_readable($criterion);
-    }
+	/**
+	 * Check whether the Findable can handle an individual criterion.
+	 *
+	 * @since 0.1.0
+	 *
+	 * @param mixed $criterion Criterion to check.
+	 *
+	 * @return bool Whether the Findable can handle the criterion.
+	 */
+	public function canHandle($criterion)
+	{
+		return URIHelper::hasExtension($criterion, static::PHP_EXTENSION)
+			   && is_readable($criterion);
+	}
 
-    /**
-     * Get the rendering callback for a given URI.
-     *
-     * @since 0.1.0
-     *
-     * @param string $uri     URI to render.
-     * @param array  $context Context in which to render.
-     *
-     * @return callable Rendering callback.
-     * @throws FailedToLoadView If the View URI is not accessible or readable.
-     * @throws FailedToLoadView If the View URI could not be loaded.
-     */
-    public function getRenderCallback($uri, array $context = [])
-    {
-        if ( ! is_readable($uri)) {
-            throw new FailedToLoadView(
-                sprintf(
-                    _('The View URI "%1$s" is not accessible or readable.'),
-                    $uri
-                )
-            );
-        }
+	/**
+	 * Get the rendering callback for a given URI.
+	 *
+	 * @since 0.1.0
+	 *
+	 * @param string $uri     URI to render.
+	 * @param array  $context Context in which to render.
+	 *
+	 * @return callable Rendering callback.
+	 * @throws FailedToLoadView If the View URI is not accessible or readable.
+	 * @throws FailedToLoadView If the View URI could not be loaded.
+	 */
+	public function getRenderCallback($uri, array $context = [])
+	{
+		if ( ! is_readable($uri)) {
+			throw new FailedToLoadView(
+				sprintf(
+					_('The View URI "%1$s" is not accessible or readable.'),
+					$uri
+				)
+			);
+		}
 
-        $closure = function () use ($uri, $context) {
+		$closure = function () use ($uri, $context) {
 
-            // Save current buffering level so we can backtrack in case of an error.
-            // This is needed because the view itself might also add an unknown number of output buffering levels.
-            $bufferLevel = ob_get_level();
-            ob_start();
+			// Save current buffering level so we can backtrack in case of an error.
+			// This is needed because the view itself might also add an unknown number of output buffering levels.
+			$bufferLevel = ob_get_level();
+			ob_start();
 
-            try {
-                include($uri);
-            } catch (Exception $exception) {
+			try {
+				include($uri);
+			} catch (Exception $exception) {
 
-                // Remove whatever levels were added up until now.
-                while (ob_get_level() > $bufferLevel) {
-                    ob_end_clean();
-                }
+				// Remove whatever levels were added up until now.
+				while (ob_get_level() > $bufferLevel) {
+					ob_end_clean();
+				}
 
-                throw new FailedToLoadView(
-                    sprintf(
-                        _('Could not load the View URI "%1$s". Reason: "%2$s".'),
-                        $uri,
-                        $exception->getMessage()
-                    ),
-                    $exception->getCode(),
-                    $exception
-                );
-            }
+				throw new FailedToLoadView(
+					sprintf(
+						_('Could not load the View URI "%1$s". Reason: "%2$s".'),
+						$uri,
+						$exception->getMessage()
+					),
+					$exception->getCode(),
+					$exception
+				);
+			}
 
-            return ob_get_clean();
-        };
+			return ob_get_clean();
+		};
 
-        return $closure;
-    }
+		return $closure;
+	}
 }

src/View/Engine/NullEngine.php

Indentation +27 added lines, -27 removed lines

@@ -24,32 +24,32 @@
 class NullEngine implements Engine, NullFindable
 {
 
-    /**
-     * Check whether the Findable can handle an individual criterion.
-     *
-     * @since 0.1.0
-     *
-     * @param mixed $criterion Criterion to check.
-     *
-     * @return bool Whether the Findable can handle the criterion.
-     */
-    public function canHandle($criterion)
-    {
-        return true;
-    }
+	/**
+	 * Check whether the Findable can handle an individual criterion.
+	 *
+	 * @since 0.1.0
+	 *
+	 * @param mixed $criterion Criterion to check.
+	 *
+	 * @return bool Whether the Findable can handle the criterion.
+	 */
+	public function canHandle($criterion)
+	{
+		return true;
+	}
 
-    /**
-     * Get the rendering callback for a given URI.
-     *
-     * @since 0.1.0
-     *
-     * @param string $uri     URI to render.
-     * @param array  $context Context in which to render.
-     *
-     * @return string Rendered HTML.
-     */
-    public function getRenderCallback($uri, array $context = [])
-    {
-        return '';
-    }
+	/**
+	 * Get the rendering callback for a given URI.
+	 *
+	 * @since 0.1.0
+	 *
+	 * @param string $uri     URI to render.
+	 * @param array  $context Context in which to render.
+	 *
+	 * @return string Rendered HTML.
+	 */
+	public function getRenderCallback($uri, array $context = [])
+	{
+		return '';
+	}
 }

src/View/View/AbstractView.php

Indentation +134 added lines, -134 removed lines

@@ -28,138 +28,138 @@
 abstract class AbstractView implements View
 {
 
-    /**
-     * URI of the view.
-     *
-     * @since 0.1.0
-     *
-     * @var string
-     */
-    protected $uri;
-
-    /**
-     * Engine to use for the view.
-     *
-     * @since 0.1.0
-     *
-     * @var Engine
-     */
-    protected $engine;
-
-    /**
-     * ViewBuilder instance.
-     *
-     * @since 0.2.0
-     *
-     * @var ViewBuilder
-     */
-    protected $builder;
-
-    /**
-     * Instantiate an AbstractView object.
-     *
-     * @since 0.1.0
-     *
-     * @param string $uri    URI for the view.
-     * @param Engine $engine Engine to use for the view.
-     */
-    public function __construct($uri, Engine $engine)
-    {
-        $this->uri    = $uri;
-        $this->engine = $engine;
-    }
-
-    /**
-     * Render the view.
-     *
-     * @since 0.1.0
-     *
-     * @param array $context Optional. The context in which to render the view.
-     * @param bool  $echo    Optional. Whether to echo the output immediately. Defaults to false.
-     *
-     * @return string|void Rendered HTML or nothing, depending on $echo argument.
-     */
-    public function render(array $context = [], $echo = false)
-    {
-        $this->initializeViewBuilder();
-        $this->assimilateContext($context);
-
-        $closure = Closure::bind(
-            $this->engine->getRenderCallback($this->uri, $context),
-            $this,
-            static::class
-        );
-
-        if ( ! $echo) {
-            return $closure();
-        }
-
-        echo $closure();
-    }
-
-    /**
-     * Render a partial view for a given URI.
-     *
-     * @since 0.2.0
-     *
-     * @param string      $view    View identifier to create a view for.
-     * @param array       $context Optional. The context in which to render the view.
-     * @param string|null $type    Type of view to create.
-     *
-     * @return string Rendered HTML content.
-     */
-    public function renderPart($view, array $context = null, $type = null)
-    {
-        if (null === $context) {
-            $context = $this->context;
-        }
-
-        $this->initializeViewBuilder();
-        $viewObject = $this->builder->create($view, $type);
-
-        return $viewObject->render($context);
-    }
-
-    /**
-     * Associate a view builder with this view.
-     *
-     * @since 0.2.0
-     *
-     * @param ViewBuilder $builder
-     *
-     * @return static
-     */
-    public function setBuilder(ViewBuilder $builder)
-    {
-        $this->builder = $builder;
-
-        return $this;
-    }
-
-    /**
-     * Initialize the view builder associated with the view.
-     *
-     * @since 0.2.0
-     */
-    protected function initializeViewBuilder()
-    {
-        if (null === $this->builder) {
-            $this->builder = Views::getViewBuilder();
-        }
-    }
-
-    /**
-     * Assimilate the context to make it available as properties.
-     *
-     * @since 0.2.0
-     *
-     * @param array $context Context to assimilate.
-     */
-    protected function assimilateContext(array $context = [])
-    {
-        $this->context = $context;
-        foreach ($context as $key => $value) {
-            $this->$key = $value;
-        }
-    }
+	/**
+	 * URI of the view.
+	 *
+	 * @since 0.1.0
+	 *
+	 * @var string
+	 */
+	protected $uri;
+
+	/**
+	 * Engine to use for the view.
+	 *
+	 * @since 0.1.0
+	 *
+	 * @var Engine
+	 */
+	protected $engine;
+
+	/**
+	 * ViewBuilder instance.
+	 *
+	 * @since 0.2.0
+	 *
+	 * @var ViewBuilder
+	 */
+	protected $builder;
+
+	/**
+	 * Instantiate an AbstractView object.
+	 *
+	 * @since 0.1.0
+	 *
+	 * @param string $uri    URI for the view.
+	 * @param Engine $engine Engine to use for the view.
+	 */
+	public function __construct($uri, Engine $engine)
+	{
+		$this->uri    = $uri;
+		$this->engine = $engine;
+	}
+
+	/**
+	 * Render the view.
+	 *
+	 * @since 0.1.0
+	 *
+	 * @param array $context Optional. The context in which to render the view.
+	 * @param bool  $echo    Optional. Whether to echo the output immediately. Defaults to false.
+	 *
+	 * @return string|void Rendered HTML or nothing, depending on $echo argument.
+	 */
+	public function render(array $context = [], $echo = false)
+	{
+		$this->initializeViewBuilder();
+		$this->assimilateContext($context);
+
+		$closure = Closure::bind(
+			$this->engine->getRenderCallback($this->uri, $context),
+			$this,
+			static::class
+		);
+
+		if ( ! $echo) {
+			return $closure();
+		}
+
+		echo $closure();
+	}
+
+	/**
+	 * Render a partial view for a given URI.
+	 *
+	 * @since 0.2.0
+	 *
+	 * @param string      $view    View identifier to create a view for.
+	 * @param array       $context Optional. The context in which to render the view.
+	 * @param string|null $type    Type of view to create.
+	 *
+	 * @return string Rendered HTML content.
+	 */
+	public function renderPart($view, array $context = null, $type = null)
+	{
+		if (null === $context) {
+			$context = $this->context;
+		}
+
+		$this->initializeViewBuilder();
+		$viewObject = $this->builder->create($view, $type);
+
+		return $viewObject->render($context);
+	}
+
+	/**
+	 * Associate a view builder with this view.
+	 *
+	 * @since 0.2.0
+	 *
+	 * @param ViewBuilder $builder
+	 *
+	 * @return static
+	 */
+	public function setBuilder(ViewBuilder $builder)
+	{
+		$this->builder = $builder;
+
+		return $this;
+	}
+
+	/**
+	 * Initialize the view builder associated with the view.
+	 *
+	 * @since 0.2.0
+	 */
+	protected function initializeViewBuilder()
+	{
+		if (null === $this->builder) {
+			$this->builder = Views::getViewBuilder();
+		}
+	}
+
+	/**
+	 * Assimilate the context to make it available as properties.
+	 *
+	 * @since 0.2.0
+	 *
+	 * @param array $context Context to assimilate.
+	 */
+	protected function assimilateContext(array $context = [])
+	{
+		$this->context = $context;
+		foreach ($context as $key => $value) {
+			$this->$key = $value;
+		}
+	}
 }

src/View/View/NullView.php

Indentation +57 added lines, -57 removed lines

@@ -26,64 +26,64 @@
 class NullView implements View, NullFindable
 {
 
-    /**
-     * Check whether the Findable can handle an individual criterion.
-     *
-     * @since 0.1.0
-     *
-     * @param mixed $criterion Criterion to check.
-     *
-     * @return bool Whether the Findable can handle the criterion.
-     */
-    public function canHandle($criterion)
-    {
-        return true;
-    }
+	/**
+	 * Check whether the Findable can handle an individual criterion.
+	 *
+	 * @since 0.1.0
+	 *
+	 * @param mixed $criterion Criterion to check.
+	 *
+	 * @return bool Whether the Findable can handle the criterion.
+	 */
+	public function canHandle($criterion)
+	{
+		return true;
+	}
 
-    /**
-     * Render the view.
-     *
-     * @since 0.1.0
-     *
-     * @param array $context Optional. The context in which to render the view.
-     * @param bool  $echo    Optional. Whether to echo the output immediately. Defaults to false.
-     *
-     * @return string|void Rendered HTML or nothing, depending on $echo argument.
-     */
-    public function render(array $context = [], $echo = false)
-    {
-        if ( ! $echo) {
-            return '';
-        }
-    }
+	/**
+	 * Render the view.
+	 *
+	 * @since 0.1.0
+	 *
+	 * @param array $context Optional. The context in which to render the view.
+	 * @param bool  $echo    Optional. Whether to echo the output immediately. Defaults to false.
+	 *
+	 * @return string|void Rendered HTML or nothing, depending on $echo argument.
+	 */
+	public function render(array $context = [], $echo = false)
+	{
+		if ( ! $echo) {
+			return '';
+		}
+	}
 
-    /**
-     * Render a partial view for a given URI.
-     *
-     * @since 0.2.0
-     *
-     * @param string      $view    View identifier to create a view for.
-     * @param array       $context Optional. The context in which to render the view.
-     * @param string|null $type    Type of view to create.
-     *
-     * @return string Rendered HTML content.
-     */
-    public function renderPart($view, array $context = [], $type = null)
-    {
-        return '';
-    }
+	/**
+	 * Render a partial view for a given URI.
+	 *
+	 * @since 0.2.0
+	 *
+	 * @param string      $view    View identifier to create a view for.
+	 * @param array       $context Optional. The context in which to render the view.
+	 * @param string|null $type    Type of view to create.
+	 *
+	 * @return string Rendered HTML content.
+	 */
+	public function renderPart($view, array $context = [], $type = null)
+	{
+		return '';
+	}
 
-    /**
-     * Associate a view builder with this view.
-     *
-     * @since 0.2.0
-     *
-     * @param ViewBuilder $builder
-     *
-     * @return static
-     */
-    public function setBuilder(ViewBuilder $builder)
-    {
-        return $this;
-    }
+	/**
+	 * Associate a view builder with this view.
+	 *
+	 * @since 0.2.0
+	 *
+	 * @param ViewBuilder $builder
+	 *
+	 * @return static
+	 */
+	public function setBuilder(ViewBuilder $builder)
+	{
+		return $this;
+	}
 }

src/View/View/ViewFinder.php

Indentation +11 added lines, -11 removed lines

@@ -25,15 +25,15 @@
 interface ViewFinder extends Finder
 {
 
-    /**
-     * Find a result based on a specific criteria.
-     *
-     * @since 0.1.0
-     *
-     * @param array       $criteria Criteria to search for.
-     * @param Engine|null $engine   Optional. Engine to use with the view.
-     *
-     * @return View View that was found.
-     */
-    public function find(array $criteria, Engine $engine = null);
+	/**
+	 * Find a result based on a specific criteria.
+	 *
+	 * @since 0.1.0
+	 *
+	 * @param array       $criteria Criteria to search for.
+	 * @param Engine|null $engine   Optional. Engine to use with the view.
+	 *
+	 * @return View View that was found.
+	 */
+	public function find(array $criteria, Engine $engine = null);
 }

src/View/View/BaseViewFinder.php

Indentation +34 added lines, -34 removed lines

@@ -26,42 +26,42 @@
 class BaseViewFinder extends AbstractFinder
 {
 
-    /**
-     * Find a result based on a specific criteria.
-     *
-     * @since 0.1.0
-     *
-     * @param array       $criteria Criteria to search for.
-     * @param Engine|null $engine   Optional. Engine to use with the view.
-     *
-     * @return View View that was found.
-     */
-    public function find(array $criteria, Engine $engine = null)
-    {
-        $uri = $criteria[0];
+	/**
+	 * Find a result based on a specific criteria.
+	 *
+	 * @since 0.1.0
+	 *
+	 * @param array       $criteria Criteria to search for.
+	 * @param Engine|null $engine   Optional. Engine to use with the view.
+	 *
+	 * @return View View that was found.
+	 */
+	public function find(array $criteria, Engine $engine = null)
+	{
+		$uri = $criteria[0];
 
-        $this->initializeFindables([$uri, $engine]);
+		$this->initializeFindables([$uri, $engine]);
 
-        foreach ($criteria as $entry) {
-            foreach ($this->findables as $viewObject) {
-                if ($viewObject->canHandle($entry)) {
-                    return $viewObject;
-                }
-            }
-        }
+		foreach ($criteria as $entry) {
+			foreach ($this->findables as $viewObject) {
+				if ($viewObject->canHandle($entry)) {
+					return $viewObject;
+				}
+			}
+		}
 
-        return $this->getNullObject();
-    }
+		return $this->getNullObject();
+	}
 
-    /**
-     * Get the config key for the Findables definitions.
-     *
-     * @since 0.1.0
-     *
-     * @return string Config key use to define the Findables.
-     */
-    protected function getFindablesConfigKey()
-    {
-        return 'Views';
-    }
+	/**
+	 * Get the config key for the Findables definitions.
+	 *
+	 * @since 0.1.0
+	 *
+	 * @return string Config key use to define the Findables.
+	 */
+	protected function getFindablesConfigKey()
+	{
+		return 'Views';
+	}
 }

src/View/Support/AbstractFinder.php

Indentation +205 added lines, -205 removed lines

@@ -27,209 +27,209 @@
 abstract class AbstractFinder implements Finder
 {
 
-    use ConfigTrait;
-
-    /**
-     * Findable collection that the Finder can iterate through to find a match.
-     *
-     * @since 0.1.0
-     *
-     * @var Findables
-     */
-    protected $findables;
-
-    /**
-     * NullObject that is returned if the Finder could not find a match.
-     *
-     * @since 0.1.0
-     *
-     * @var NullFindable
-     */
-    protected $nullObject;
-
-    /**
-     * Instantiate an AbstractFinder object.
-     *
-     * @since 0.1.0
-     *
-     * @param ConfigInterface $config Configuration of the AbstractFinder.
-     *
-     * @throws FailedToProcessConfigException If the config could not be processed.
-     */
-    public function __construct(ConfigInterface $config)
-    {
-        $this->processConfig($config);
-        $this->findables = new Findables();
-        $this->registerFindables($this->config);
-        $this->registerNullObject($this->config);
-    }
-
-    /**
-     * Register the Findables defined in the given configuration.
-     *
-     * @since 0.1.0
-     *
-     * @param ConfigInterface $config Configuration to register the Findables from.
-     */
-    public function registerFindables(ConfigInterface $config)
-    {
-        foreach ($config->getKey($this->getFindablesConfigKey()) as $findableKey => $findableObject) {
-            $this->findables->set($findableKey, $findableObject);
-        }
-    }
-
-    /**
-     * Register the NullObject defined in the given configuration.
-     *
-     * @since 0.1.0
-     *
-     * @param ConfigInterface $config Configuration to register the NullObject from.
-     */
-    public function registerNullObject(ConfigInterface $config)
-    {
-        $this->nullObject = $config->getKey($this->getNullObjectConfigKey());
-    }
-
-    /**
-     * Get the NullObject.
-     *
-     * @since 0.1.1
-     *
-     * @return NullFindable NullObject for the current Finder.
-     */
-    public function getNullObject()
-    {
-        $this->initializeNullObject();
-
-        return $this->nullObject;
-    }
-
-    /**
-     * Get the config key for the Findables definitions.
-     *
-     * @since 0.1.0
-     *
-     * @return string Config key use to define the Findables.
-     */
-    protected function getFindablesConfigKey()
-    {
-        return 'Findables';
-    }
-
-    /**
-     * Get the config key for the NullObject definitions.
-     *
-     * @since 0.1.0
-     *
-     * @return string Config key use to define the NullObject.
-     */
-    protected function getNullObjectConfigKey()
-    {
-        return 'NullObject';
-    }
-
-    /**
-     * Initialize the NullObject.
-     *
-     * @since 0.1.1
-     *
-     * @param mixed $arguments Optional. Arguments to use.
-     */
-    protected function initializeNullObject($arguments = null)
-    {
-        $this->nullObject = $this->maybeInstantiateFindable($this->nullObject, $arguments);
-    }
-
-    /**
-     * Initialize the Findables that can be iterated.
-     *
-     * @param mixed $arguments Optional. Arguments to use.
-     *
-     * @since 0.1.0
-     *
-     */
-    protected function initializeFindables($arguments = null)
-    {
-        $this->findables = $this->findables->map(function ($findable) use ($arguments) {
-            return $this->initializeFindable($findable, $arguments);
-        });
-    }
-
-    /**
-     * Initialize a single findable by instantiating class name strings and calling closures.
-     *
-     * @since 0.1.0
-     *
-     * @param mixed $findable  Findable to instantiate.
-     * @param mixed $arguments Optional. Arguments to use.
-     *
-     * @return Findable Instantiated findable.
-     */
-    protected function initializeFindable($findable, $arguments = null)
-    {
-        return $this->maybeInstantiateFindable($findable, $arguments);
-    }
-
-    /**
-     * Maybe instantiate a Findable if it is not yet an object.
-     *
-     * @since 0.1.1
-     *
-     * @param mixed $findable  Findable to instantiate.
-     * @param mixed $arguments Optional. Arguments to use.
-     *
-     * @return Findable Instantiated findable.
-     * @throws FailedToInstantiateFindable If the findable could not be instantiated.
-     */
-    protected function maybeInstantiateFindable($findable, $arguments = null)
-    {
-        if (is_string($findable)) {
-            $findable = $this->instantiateFindableFromString($findable, $arguments);
-        }
-
-        if (is_callable($findable)) {
-            $findable = $this->instantiateFindableFromCallable($findable, $arguments);
-        }
-
-        if ( ! $findable instanceof Findable) {
-            throw new FailedToInstantiateFindable(
-                sprintf(
-                    _('Could not instantiate Findable "%s".'),
-                    serialize($findable)
-                )
-            );
-        }
-
-        return $findable;
-    }
-
-    /**
-     * Instantiate a Findable from a string.
-     *
-     * @since 0.1.1
-     *
-     * @param string $string    String to use for instantiation.
-     * @param mixed  $arguments Optional. Arguments to use for instantiation.
-     *
-     * @return Findable Instantiated Findable.
-     */
-    protected function instantiateFindableFromString($string, $arguments = null)
-    {
-        return new $string(...$arguments);
-    }
-
-    /**
-     * Instantiate a Findable from a callable.
-     *
-     * @since 0.1.1
-     *
-     * @param callable $callable  Callable to use for instantiation.
-     * @param mixed    $arguments Optional. Arguments to use for instantiation.
-     *
-     * @return Findable Instantiated Findable.
-     */
-    protected function instantiateFindableFromCallable($callable, $arguments = null)
-    {
-        return $callable(...$arguments);
-    }
+	use ConfigTrait;
+
+	/**
+	 * Findable collection that the Finder can iterate through to find a match.
+	 *
+	 * @since 0.1.0
+	 *
+	 * @var Findables
+	 */
+	protected $findables;
+
+	/**
+	 * NullObject that is returned if the Finder could not find a match.
+	 *
+	 * @since 0.1.0
+	 *
+	 * @var NullFindable
+	 */
+	protected $nullObject;
+
+	/**
+	 * Instantiate an AbstractFinder object.
+	 *
+	 * @since 0.1.0
+	 *
+	 * @param ConfigInterface $config Configuration of the AbstractFinder.
+	 *
+	 * @throws FailedToProcessConfigException If the config could not be processed.
+	 */
+	public function __construct(ConfigInterface $config)
+	{
+		$this->processConfig($config);
+		$this->findables = new Findables();
+		$this->registerFindables($this->config);
+		$this->registerNullObject($this->config);
+	}
+
+	/**
+	 * Register the Findables defined in the given configuration.
+	 *
+	 * @since 0.1.0
+	 *
+	 * @param ConfigInterface $config Configuration to register the Findables from.
+	 */
+	public function registerFindables(ConfigInterface $config)
+	{
+		foreach ($config->getKey($this->getFindablesConfigKey()) as $findableKey => $findableObject) {
+			$this->findables->set($findableKey, $findableObject);
+		}
+	}
+
+	/**
+	 * Register the NullObject defined in the given configuration.
+	 *
+	 * @since 0.1.0
+	 *
+	 * @param ConfigInterface $config Configuration to register the NullObject from.
+	 */
+	public function registerNullObject(ConfigInterface $config)
+	{
+		$this->nullObject = $config->getKey($this->getNullObjectConfigKey());
+	}
+
+	/**
+	 * Get the NullObject.
+	 *
+	 * @since 0.1.1
+	 *
+	 * @return NullFindable NullObject for the current Finder.
+	 */
+	public function getNullObject()
+	{
+		$this->initializeNullObject();
+
+		return $this->nullObject;
+	}
+
+	/**
+	 * Get the config key for the Findables definitions.
+	 *
+	 * @since 0.1.0
+	 *
+	 * @return string Config key use to define the Findables.
+	 */
+	protected function getFindablesConfigKey()
+	{
+		return 'Findables';
+	}
+
+	/**
+	 * Get the config key for the NullObject definitions.
+	 *
+	 * @since 0.1.0
+	 *
+	 * @return string Config key use to define the NullObject.
+	 */
+	protected function getNullObjectConfigKey()
+	{
+		return 'NullObject';
+	}
+
+	/**
+	 * Initialize the NullObject.
+	 *
+	 * @since 0.1.1
+	 *
+	 * @param mixed $arguments Optional. Arguments to use.
+	 */
+	protected function initializeNullObject($arguments = null)
+	{
+		$this->nullObject = $this->maybeInstantiateFindable($this->nullObject, $arguments);
+	}
+
+	/**
+	 * Initialize the Findables that can be iterated.
+	 *
+	 * @param mixed $arguments Optional. Arguments to use.
+	 *
+	 * @since 0.1.0
+	 *
+	 */
+	protected function initializeFindables($arguments = null)
+	{
+		$this->findables = $this->findables->map(function ($findable) use ($arguments) {
+			return $this->initializeFindable($findable, $arguments);
+		});
+	}
+
+	/**
+	 * Initialize a single findable by instantiating class name strings and calling closures.
+	 *
+	 * @since 0.1.0
+	 *
+	 * @param mixed $findable  Findable to instantiate.
+	 * @param mixed $arguments Optional. Arguments to use.
+	 *
+	 * @return Findable Instantiated findable.
+	 */
+	protected function initializeFindable($findable, $arguments = null)
+	{
+		return $this->maybeInstantiateFindable($findable, $arguments);
+	}
+
+	/**
+	 * Maybe instantiate a Findable if it is not yet an object.
+	 *
+	 * @since 0.1.1
+	 *
+	 * @param mixed $findable  Findable to instantiate.
+	 * @param mixed $arguments Optional. Arguments to use.
+	 *
+	 * @return Findable Instantiated findable.
+	 * @throws FailedToInstantiateFindable If the findable could not be instantiated.
+	 */
+	protected function maybeInstantiateFindable($findable, $arguments = null)
+	{
+		if (is_string($findable)) {
+			$findable = $this->instantiateFindableFromString($findable, $arguments);
+		}
+
+		if (is_callable($findable)) {
+			$findable = $this->instantiateFindableFromCallable($findable, $arguments);
+		}
+
+		if ( ! $findable instanceof Findable) {
+			throw new FailedToInstantiateFindable(
+				sprintf(
+					_('Could not instantiate Findable "%s".'),
+					serialize($findable)
+				)
+			);
+		}
+
+		return $findable;
+	}
+
+	/**
+	 * Instantiate a Findable from a string.
+	 *
+	 * @since 0.1.1
+	 *
+	 * @param string $string    String to use for instantiation.
+	 * @param mixed  $arguments Optional. Arguments to use for instantiation.
+	 *
+	 * @return Findable Instantiated Findable.
+	 */
+	protected function instantiateFindableFromString($string, $arguments = null)
+	{
+		return new $string(...$arguments);
+	}
+
+	/**
+	 * Instantiate a Findable from a callable.
+	 *
+	 * @since 0.1.1
+	 *
+	 * @param callable $callable  Callable to use for instantiation.
+	 * @param mixed    $arguments Optional. Arguments to use for instantiation.
+	 *
+	 * @return Findable Instantiated Findable.
+	 */
+	protected function instantiateFindableFromCallable($callable, $arguments = null)
+	{
+		return $callable(...$arguments);
+	}
 }