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