/**
* Applies dump filters and returns the asset as a string.
*
* @param FilterInterface|null $additionalFilter
* @return string
*/
public function dump(FilterInterface $additionalFilter = null)
{
$cacheKey = $this->getCacheKey($this->asset, $additionalFilter, 'dump');
if ($this->cache->has($cacheKey)) {
return $this->cache->get($cacheKey);
}
$content = $this->asset->dump($additionalFilter);
$this->cache->set($cacheKey, $content);
return $content;
}
/**
* Copy a file to the directory.
*
* @param string $file fullpath of file to add
* @param boolean $force ignore cache and add file to directory
*
* @throws InvalidArgumentException file does not exist
* @throws RuntimeException filesystem errors
*
* @return string target image path
*/
public function add($file, $force = false)
{
if (!file_exists($file)) {
throw new \InvalidArgumentException(sprintf('File "%s" does not exist.', $file));
}
if (false === $force && null !== ($path = $this->getCache($file))) {
return null === $this->target ? $path : $this->target . '/' . $path;
}
$name = $this->findAvailableName($file);
if (null !== $this->cache) {
$this->cache->set(md5($file), serialize(array(filemtime($file), $name)));
}
if (!is_dir($dir = dirname($target = $this->directory . '/' . $name))) {
mkdir($dir, 0777, true);
}
if (false === @copy($file, $target)) {
throw new \RuntimeException(sprintf('Error while copying "%s" to "%s".', $file, $target));
}
return null === $this->target ? $name : $this->target . '/' . $name;
}
/**
* Proxy set to use the underlying cache driver
*
* @param string $key
* @param string $value
*/
public function set($key, $value)
{
return $this->cache->set($key, $value);
}
