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<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Bundle\TwigBundle;
use Symfony\Component\Finder\Finder;
use Symfony\Component\HttpKernel\KernelInterface;
/**
* Iterator for all templates in bundles and in the application Resources directory.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class TemplateIterator implements \IteratorAggregate
{
private $kernel;
private $rootDir;
private $templates;
private $paths;
private $defaultPath;
/**
* @param KernelInterface $kernel A KernelInterface instance
* @param string $rootDir The directory where global templates can be stored
* @param array $paths Additional Twig paths to warm
* @param string $defaultPath The directory where global templates can be stored
*/
public function __construct(KernelInterface $kernel, string $rootDir, array $paths = [], string $defaultPath = null)
{
$this->kernel = $kernel;
$this->rootDir = $rootDir;
$this->paths = $paths;
$this->defaultPath = $defaultPath;
}
/**
* {@inheritdoc}
*/
public function getIterator()
{
if (null !== $this->templates) {
return $this->templates;
}
$this->templates = array_merge(
$this->findTemplatesInDirectory($this->rootDir.'/Resources/views'),
$this->findTemplatesInDirectory($this->defaultPath, null, ['bundles'])
);
foreach ($this->kernel->getBundles() as $bundle) {
$name = $bundle->getName();
if ('Bundle' === substr($name, -6)) {
$name = substr($name, 0, -6);
}
$this->templates = array_merge(
$this->templates,
$this->findTemplatesInDirectory($bundle->getPath().'/Resources/views', $name),
$this->findTemplatesInDirectory($this->rootDir.'/Resources/'.$bundle->getName().'/views', $name),
$this->findTemplatesInDirectory($this->defaultPath.'/bundles/'.$bundle->getName(), $name)
);
}
foreach ($this->paths as $dir => $namespace) {
$this->templates = array_merge($this->templates, $this->findTemplatesInDirectory($dir, $namespace));
}
return $this->templates = new \ArrayIterator(array_unique($this->templates));
}
/**
* Find templates in the given directory.
*
* @param string $dir The directory where to look for templates
* @param string|null $namespace The template namespace
*
* @return array
*/
private function findTemplatesInDirectory($dir, $namespace = null, array $excludeDirs = [])
{
if (!is_dir($dir)) {
return [];
}
$templates = [];
foreach (Finder::create()->files()->followLinks()->in($dir)->exclude($excludeDirs) as $file) {
$templates[] = (null !== $namespace ? '@'.$namespace.'/' : '').str_replace('\\', '/', $file->getRelativePathname());
}
return $templates;
}
}
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