/**
* Detect compiler by view path (automatically resolved based on extension).
*
* @todo cache needed?
* @param string $path
* @return string
*/
protected function detectEngine($path)
{
if (isset($this->associationCache[$path])) {
return $this->associationCache[$path];
}
//File extension can help us to detect engine faster (attention, does not work with complex
//extensions at this moment).
$extension = $this->files->extension($path);
$detected = null;
foreach ($this->config->getEngines() as $engine) {
if (!empty($extension) && $extension == $this->config->engineExtension($engine)) {
//Found by extension
$detected = $engine;
break;
}
//Trying automatic (no extension) detection
$loader = $this->loader($engine);
try {
if (!empty($loader->viewName($path))) {
$detected = $engine;
}
} catch (LoaderException $exception) {
//Does not related to such engine
}
}
if (empty($detected)) {
throw new ViewsException("Unable to detect view engine for '{$path}'.");
}
return $this->associationCache[$path] = $detected;
}
/**
* @param ViewsConfig $config
* @param FilesInterface $files
*/
public function perform(ViewsConfig $config, FilesInterface $files)
{
if (!$files->exists($config->cacheDirectory())) {
$this->writeln("Cache directory is missing, no cache to be cleaned.");
return;
}
$this->isVerbosity() && $this->writeln("<info>Clearing view cache:</info>");
$cachedViews = $files->getFiles($config->cacheDirectory());
foreach ($cachedViews as $filename) {
$files->delete($filename);
if ($this->isVerbosity()) {
$this->writeln($files->relativePath($filename, $config->cacheDirectory()));
}
}
if (empty($filename) && $this->isVerbosity()) {
$this->writeln("No cached views were found.");
}
$this->writeln("<info>View cache has been cleared.</info>");
}
/**
* Find all available views for given namespace, view name associated with it's engine.
*
* @param string $namespace
* @return array
*/
public function namespaceViews($namespace)
{
$result = [];
foreach ($this->config->namespaceDirectories($namespace) as $directory) {
foreach ($this->config->getEngines() as $engine) {
$extension = $this->config->engineExtension($engine);
$finder = new Finder();
foreach ($finder->in($directory)->name("*.{$extension}") as $file) {
/**
* @var SplFileInfo $file
*/
if (isset($result[$file->getRelativePathname()])) {
continue;
}
$result[$file->getRelativePathname()] = $engine;
}
}
}
return $result;
}
