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<?php
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/*
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* This file is part of Twig.
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*
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* (c) 2009 Fabien Potencier
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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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/**
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* Loads a template from an array.
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*
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* When using this loader with a cache mechanism, you should know that a new cache
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* key is generated each time a template content "changes" (the cache key being the
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* source code of the template). If you don't want to see your cache grows out of
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* control, you need to take care of clearing the old cache file by yourself.
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*
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* @package twig
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* @author Fabien Potencier <fabien@symfony.com>
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*/
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class Twig_Loader_Array implements Twig_LoaderInterface
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{
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protected $templates;
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/**
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* Constructor.
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*
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* @param array $templates An array of templates (keys are the names, and values are the source code)
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*
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* @see Twig_Loader
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*/
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public function __construct(array $templates)
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{
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$this->templates = array();
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foreach ($templates as $name => $template) {
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$this->templates[$name] = $template;
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}
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}
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/**
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* Adds or overrides a template.
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*
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* @param string $name The template name
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* @param string $template The template source
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*/
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public function setTemplate($name, $template)
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{
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$this->templates[(string) $name] = $template;
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}
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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 $name The name of the template to load
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*
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* @return string The template source code
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*/
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public function getSource($name)
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{
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$name = (string) $name;
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if (!isset($this->templates[$name])) {
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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 $this->templates[$name];
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}
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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 $name The name of the template to load
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*
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* @return string The cache key
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*/
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public function getCacheKey($name)
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{
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$name = (string) $name;
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if (!isset($this->templates[$name])) {
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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 $this->templates[$name];
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}
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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 timestamp $time The last modification time of the cached template
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*/
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public function isFresh($name, $time)
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{
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$name = (string) $name;
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if (!isset($this->templates[$name])) {
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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 true;
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}
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}
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