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<?php |
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namespace Brendt\Stitcher\Template\Twig; |
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use Brendt\Stitcher\Config; |
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use Brendt\Stitcher\Template\TemplateEngine; |
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use Brendt\Stitcher\Template\TemplatePlugin; |
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use Symfony\Component\Finder\SplFileInfo; |
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use Twig_Environment; |
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use Twig_Loader_Filesystem; |
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/** |
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* The Twig template engine. |
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*/ |
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class TwigEngine extends Twig_Environment implements TemplateEngine |
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{ |
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/** |
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* An array of template variables available when rendering a template. |
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* |
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* @var array |
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*/ |
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private $variables = []; |
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/** |
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* Create a new Twig engine and add the Stitcher specific template functions. |
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* |
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* @param string $templateDir |
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* @param TemplatePlugin $templatePlugin |
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*/ |
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public function __construct(string $templateDir, TemplatePlugin $templatePlugin) { |
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$loader = new Twig_Loader_Filesystem($templateDir); |
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parent::__construct($loader, [ |
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'cache' => false, |
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]); |
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$this->addFunction(new \Twig_SimpleFunction('meta', [$templatePlugin, 'meta'], ['is_safe' => ['html'],])); |
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$this->addFunction(new \Twig_SimpleFunction('css', [$templatePlugin, 'css'], ['is_safe' => ['html'],])); |
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$this->addFunction(new \Twig_SimpleFunction('js', [$templatePlugin, 'js'], ['is_safe' => ['html'],])); |
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$this->addFunction(new \Twig_SimpleFunction('image', [$templatePlugin, 'image'])); |
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$this->addFunction(new \Twig_SimpleFunction('file', [$templatePlugin, 'file'])); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function renderTemplate(SplFileInfo $template) { |
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return $this->render($template->getRelativePathname(), $this->variables); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function addTemplateVariables(array $variables) { |
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$this->variables += $variables; |
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return $this; |
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} |
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/** |
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* Check whether a template variable is set |
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* |
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* @param string $name |
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* |
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* @return bool |
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*/ |
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public function hasTemplateVariable(string $name) : bool { |
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return isset($this->variables[$name]); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function clearTemplateVariables() { |
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$this->variables = []; |
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return $this; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function addTemplateVariable($name, $value) { |
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$this->variables[$name] = $value; |
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return $this; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function clearTemplateVariable($variable) { |
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unset($this->variables[$variable]); |
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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 getTemplateExtension() { |
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return 'html'; |
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} |
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} |
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pageon /
stitcher-core
