Current File : /home/lightco1/upgrade.lightco.com.au/libraries/fof30/View/Engine/CompilingEngine.php
<?php
/**
* @package FOF
* @copyright 2010-2017 Nicholas K. Dionysopoulos / Akeeba Ltd
* @license GNU GPL version 2 or later
*/
namespace FOF30\View\Engine;
use FOF30\Utils\Buffer;
use FOF30\View\Compiler\CompilerInterface;
use FOF30\View\Exception\PossiblySuhosin;
defined('_JEXEC') or die;
/**
* View engine for compiling PHP template files.
*/
abstract class CompilingEngine extends AbstractEngine implements EngineInterface
{
/** @var CompilerInterface The compiler used by this engine */
protected $compiler = null;
/**
* Get the 3ναlυa+3d contents of the view template. (I use leetspeak here because of bad quality hosts with broken scanners)
*
* @param string $path The path to the view template
* @param array $forceParams Any additional information to pass to the view template engine
*
* @return array Content evaluation information
*/
public function get($path, array $forceParams = array())
{
// If it's cached return the path to the cached file's path
if ($this->isCached($path))
{
return array(
'type' => 'path',
'content' => $this->getCachePath($path),
);
}
// Not cached or caching not really allowed. Compile it and cache it.
$content = $this->compile($path, $forceParams);
$cachePath = $this->putToCache($path, $content);
// If we could cache it, return the cached file's path
if ($cachePath !== false)
{
return array(
'type' => 'path',
'content' => $cachePath,
);
}
// We could not write to the cache. Hm, can I use a stream wrapper?
$canUseStreams = Buffer::canRegisterWrapper();
if ($canUseStreams)
{
$id = $this->getIdentifier($path);
$streamPath = 'fof://' . $this->view->getContainer()->componentName . '/compiled_templates/' . $id . '.php';
return array(
'type' => 'path',
'content' => $streamPath,
);
}
// I couldn't use a stream wrapper. I have to give up.
throw new PossiblySuhosin;
}
/**
* A method to compile the raw view template into valid PHP
*
* @param string $path The path to the view template
* @param array $forceParams Any additional information to pass to the view template compiler
*
* @return string The template compiled to executable PHP
*/
protected function compile($path, array $forceParams = array())
{
return $this->compiler->compile($path, $forceParams);
}
protected function getIdentifier($path)
{
if (function_exists('sha1'))
{
return sha1($path);
}
return md5($path);
}
protected function getCachePath($path)
{
$id = $this->getIdentifier($path);
return JPATH_CACHE . '/' . $this->view->getContainer()->componentName . '/compiled_templates/' . $id . '.php';
}
protected function isCached($path)
{
if (!$this->compiler->isCacheable())
{
return false;
}
$cachePath = $this->getCachePath($path);
if (!file_exists($cachePath))
{
return false;
}
$cacheTime = filemtime($cachePath);
$fileTime = filemtime($path);
return $fileTime <= $cacheTime;
}
protected function getCached($path)
{
$cachePath = $this->getCachePath($path);
return file_get_contents($cachePath);
}
protected function putToCache($path, $content)
{
$cachePath = $this->getCachePath($path);
if (@file_put_contents($cachePath, $content))
{
return $cachePath;
}
if (!class_exists('JFile'))
{
\JLoader::import('joomla.filesystem.file');
}
if (\JFile::write($cachePath, $content))
{
return $cachePath;
}
return false;
}
}
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