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<?php |
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namespace Vectorface\SnappyRouter\Encoder; |
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use \Twig_Loader_Filesystem; |
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use \Twig_Environment; |
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use Vectorface\SnappyRouter\Exception\InternalErrorException; |
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use Vectorface\SnappyRouter\Handler\ControllerHandler; |
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use Vectorface\SnappyRouter\Response\AbstractResponse; |
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/** |
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* An encoder for rendering input through a Twig view. |
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* @copyright Copyright (c) 2014, VectorFace, Inc. |
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* @author Dan Bruce <[email protected]> |
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*/ |
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class TwigViewEncoder extends AbstractEncoder |
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{ |
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// the template to encode |
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private $template; |
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// the twig view environment |
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private $viewEnvironment; |
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/** |
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* Constructor for the encoder. |
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* @param array $viewConfig The view configuration. |
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* @param string $template The name of the default template to render |
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*/ |
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public function __construct($viewConfig, $template) |
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{ |
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if (!isset($viewConfig[ControllerHandler::KEY_VIEWS_PATH])) { |
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throw new InternalErrorException( |
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'View environment missing views path.' |
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); |
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} |
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$loader = new Twig_Loader_Filesystem( |
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$viewConfig[ControllerHandler::KEY_VIEWS_PATH] |
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); |
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$this->viewEnvironment = new Twig_Environment($loader, $viewConfig); |
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$this->template = $template; |
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} |
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/** |
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* Returns the Twig view environment. |
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* @return Twig_Environment The configured twig environment. |
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*/ |
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public function getViewEnvironment() |
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{ |
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return $this->viewEnvironment; |
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} |
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/** |
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* @param AbstractResponse $response The response to be encoded. |
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* @return string Returns the response encoded as a string. |
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*/ |
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public function encode(AbstractResponse $response) |
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{ |
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$responseObject = $response->getResponseObject(); |
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if (is_string($responseObject)) { |
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return $responseObject; |
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} else { |
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return $this->viewEnvironment->loadTemplate( |
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$this->template |
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)->render( |
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(array)$responseObject |
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); |
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} |
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} |
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/** |
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* Renders an abitrary view with arbitrary parameters. |
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* @param string $template The template to render. |
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* @param array $variables The variables to use. |
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* @return string Returns the rendered template as a string. |
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*/ |
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public function renderView($template, $variables) |
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{ |
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return $this->getViewEnvironment()->loadTemplate( |
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$template |
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)->render( |
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(array)$variables |
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); |
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} |
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} |
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Vectorface /
SnappyRouter
