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<?php |
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namespace Charcoal\View\Twig; |
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// From Twig |
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use Twig_LoaderInterface; |
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use Twig_Source; |
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// From 'charcoal-view' |
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use Charcoal\View\AbstractLoader; |
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use Charcoal\View\LoaderInterface; |
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/** |
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* The Charcoal View Twig Loader implements both Twig_LoaderInterface and its own LoaderInterface. |
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*/ |
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class TwigLoader extends AbstractLoader implements |
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LoaderInterface, |
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Twig_LoaderInterface |
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{ |
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/** |
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* Determine if the variable is a template literal. |
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* |
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* This method looks for any tag delimiters in the given string, |
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* which a file path would most likely not have. |
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* |
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* @todo Add support for custom delimiters. |
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* @param string $ident The template being evaluated. |
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* @return boolean |
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*/ |
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protected function isTemplateString($ident) |
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{ |
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return strpos($ident, '{%') !== false || parent::isTemplateString($ident); |
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} |
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/** |
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* Convert an identifier to a file path. |
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* |
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* @param string $ident The identifier to convert. |
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* @return string |
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*/ |
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protected function filenameFromIdent($ident) |
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{ |
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$filename = str_replace([ '\\' ], '.', $ident); |
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$filename .= '.twig'; |
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return $filename; |
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} |
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/** |
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* Twig_LoaderInterface > getSource() |
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* |
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* Gets the source code of a template, given its name. |
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* |
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* @param string $name The name of the template to load. |
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* @return string The template source code. |
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*/ |
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public function getSource($name) |
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{ |
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return $this->load($name); |
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} |
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/** |
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* Twig_LoaderInterface > getSourceContext() |
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* |
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* Gets the source code of a template, given its name. |
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* For Twig 2.x |
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* |
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* @param string $name The name of the template to load. |
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* @return Twig_Source The template source object. |
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*/ |
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public function getSourceContext($name) |
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{ |
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$source = $this->load($name); |
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return new Twig_Source($source, $name); |
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} |
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/** |
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* Twig_LoaderInterface > exists() |
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* |
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* For Twig 2.x |
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* |
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* @param string $name The name of the template to load. |
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* @return boolean |
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*/ |
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public function exists($name) |
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{ |
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return !!$this->findTemplateFile($name); |
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} |
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/** |
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* Twig_LoaderInterface > getCacheKey() |
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* |
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* Gets the cache key to use for the cache for a given template name. |
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* |
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* @param string $name The name of the template to load. |
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* @return string|null The cache key |
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*/ |
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public function getCacheKey($name) |
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{ |
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$key = $this->findTemplateFile($name); |
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return $key; |
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} |
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/** |
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* Twig_LoaderInterface > isFresh() |
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* |
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* Returns true if the template is still fresh. |
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* |
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* @param string $name The template name. |
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* @param integer $time The last modification time of the cached template. |
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* @return boolean |
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*/ |
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public function isFresh($name, $time) |
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{ |
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$file = $this->findTemplateFile($name); |
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$fresh = (filemtime($file) <= $time); |
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return $fresh; |
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} |
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} |
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locomotivemtl /
charcoal-view
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