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<?php |
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/** |
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* This file is part of TwigView. |
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* |
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** (c) 2014 Cees-Jan Kiewiet |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace WyriHaximus\TwigView\Lib\Twig; |
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use Cake\Core\App; |
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use Cake\Core\Plugin; |
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use WyriHaximus\TwigView\View\TwigView; |
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/** |
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* Class Loader |
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* @package WyriHaximus\TwigView\Lib\Twig |
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*/ |
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class Loader implements \Twig_LoaderInterface, \Twig_SourceContextLoaderInterface |
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{ |
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/** |
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* Get the file contents of a template. |
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* |
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* @param string $name Template. |
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* |
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* @return string |
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*/ |
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public function getSource($name) |
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{ |
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$name = $this->resolveFileName($name); |
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return file_get_contents($name); |
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} |
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/** |
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* Returns the source context for a given template logical name. |
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* |
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* @param string $name The template logical name |
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* |
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* @return Twig_Source |
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* |
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* @throws Twig_Error_Loader When $name is not found |
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*/ |
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public function getSourceContext($name) |
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{ |
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$code = $this->getSource($name); |
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$path = $this->getFilename($name); |
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return new \Twig_Source($code, $name, $path); |
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} |
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/** |
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* Get cache key for template. |
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* |
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* @param string $name Template. |
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* |
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* @return string |
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*/ |
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public function getCacheKey($name) |
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{ |
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return $this->resolveFileName($name); |
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} |
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/** |
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* Check if template is still fresh. |
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* |
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* @param string $name Template. |
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* @param integer $time Timestamp. |
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* |
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* @return boolean |
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*/ |
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public function isFresh($name, $time) |
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{ |
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$name = $this->resolveFileName($name); |
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return filemtime($name) < $time; |
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} |
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/** |
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* Check if we have the source code of a template, given its name. |
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* |
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* @param string $name The name of the template to check if we can load |
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* |
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* @return bool If the template source code is handled by this loader or not |
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*/ |
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// @codingStandardsIgnoreStart |
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public function exists($name) { |
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// @codingStandardsIgnoreEnd |
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$filename = $this->getFilename($name); |
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if ($filename === false) { |
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return false; |
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} |
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return true; |
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} |
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/** |
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* Resolve template name to filename. |
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* |
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* @param string $name Template. |
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* |
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* @return string |
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* |
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* @throws \Twig_Error_Loader Thrown when template file isn't found. |
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*/ |
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// @codingStandardsIgnoreStart |
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protected function resolveFileName($name) |
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{ |
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$filename = $this->getFilename($name); |
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if ($filename === false) { |
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throw new \Twig_Error_Loader(sprintf('Template "%s" is not defined.', $name)); |
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} |
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return $filename; |
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} |
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/** |
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* Get template filename |
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* |
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* @param string $name Template. |
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* |
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* @return string|false |
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* |
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*/ |
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// @codingStandardsIgnoreStart |
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protected function getFilename($name) |
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{ |
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// @codingStandardsIgnoreEnd |
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if (file_exists($name)) { |
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return $name; |
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} |
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list($plugin, $file) = pluginSplit($name); |
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foreach ([null, $plugin] as $scope) { |
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$paths = $this->getPaths($scope); |
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foreach ($paths as $path) { |
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$filePath = $path . $file; |
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if (file_exists($filePath)) { |
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return $filePath; |
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} |
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$filePath = $path . $file . TwigView::EXT; |
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if (file_exists($filePath)) { |
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return $filePath; |
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} |
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} |
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} |
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return false; |
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} |
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/** |
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* Check if $plugin is active and return it's template paths or return the aps template paths. |
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* |
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* @param string|null $plugin The plugin in question. |
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* |
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* @return array |
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*/ |
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protected function getPaths($plugin) |
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{ |
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if ($plugin === null || !Plugin::loaded($plugin)) { |
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return App::path('Template'); |
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} |
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return App::path('Template', $plugin); |
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} |
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} |
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WyriHaximus /
TwigView
