/**
* @return MessageCatalogue
* @throws \Exception
*/
public function extract()
{
if (!empty($this->removingTwigVisitor)) {
$this->removingTwigVisitor->setEnabled(false);
}
if (!empty($this->defaultApplyingTwigVisitor)) {
$this->defaultApplyingTwigVisitor->setEnabled(false);
}
$finder = Finder::create()->in($this->directory);
foreach ($this->excludedDirs as $dir) {
$finder->exclude($dir);
}
foreach ($this->excludedNames as $name) {
$finder->notName($name);
}
if ($this->pattern) {
$finder->name($this->pattern);
}
$curTwigLoader = $this->twig->getLoader();
$this->twig->setLoader(new \Twig_Loader_String());
try {
$catalogue = new MessageCatalogue();
foreach ($finder as $file) {
$visitingMethod = 'visitFile';
$visitingArgs = array($file, $catalogue);
$this->logger->debug(sprintf('Parsing file "%s"', $file));
if (false !== ($pos = strrpos($file, '.'))) {
$extension = substr($file, $pos + 1);
if ('php' === $extension) {
try {
$ast = $this->phpParser->parse(file_get_contents($file));
} catch (Error $ex) {
throw new \RuntimeException(sprintf('Could not parse "%s": %s', $file, $ex->getMessage()), $ex->getCode(), $ex);
}
$visitingMethod = 'visitPhpFile';
$visitingArgs[] = $ast;
} elseif ('twig' === $extension) {
$visitingMethod = 'visitTwigFile';
$visitingArgs[] = $this->twig->parse($this->twig->tokenize(file_get_contents($file), (string) $file));
}
}
foreach ($this->visitors as $visitor) {
call_user_func_array(array($visitor, $visitingMethod), $visitingArgs);
}
}
if (null !== $curTwigLoader) {
$this->twig->setLoader($curTwigLoader);
}
if (!empty($this->removingTwigVisitor)) {
$this->removingTwigVisitor->setEnabled(true);
}
if (!empty($this->defaultApplyingTwigVisitor)) {
$this->defaultApplyingTwigVisitor->setEnabled(true);
}
return $catalogue;
} catch (\Exception $ex) {
if (null !== $curTwigLoader) {
$this->twig->setLoader($curTwigLoader);
}
throw $ex;
}
}
