/usr/share/php/Symfony/Bundle/TwigBundle/DependencyInjection/TwigExtension.php is in php-symfony-twig-bundle 2.3.21+dfsg-4+deb8u3.
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The actual contents of the file can be viewed below.
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/*
* 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\DependencyInjection;
use Symfony\Component\Config\FileLocator;
use Symfony\Component\DependencyInjection\ContainerBuilder;
use Symfony\Component\DependencyInjection\Reference;
use Symfony\Component\DependencyInjection\Loader\XmlFileLoader;
use Symfony\Component\HttpKernel\DependencyInjection\Extension;
/**
* TwigExtension.
*
* @author Fabien Potencier <fabien@symfony.com>
* @author Jeremy Mikola <jmikola@gmail.com>
*/
class TwigExtension extends Extension
{
/**
* Responds to the twig configuration parameter.
*
* @param array $configs
* @param ContainerBuilder $container
*/
public function load(array $configs, ContainerBuilder $container)
{
$loader = new XmlFileLoader($container, new FileLocator(__DIR__.'/../Resources/config'));
$loader->load('twig.xml');
foreach ($configs as &$config) {
if (isset($config['globals'])) {
foreach ($config['globals'] as $name => $value) {
if (is_array($value) && isset($value['key'])) {
$config['globals'][$name] = array(
'key' => $name,
'value' => $config['globals'][$name],
);
}
}
}
}
$configuration = $this->getConfiguration($configs, $container);
$config = $this->processConfiguration($configuration, $configs);
$container->setParameter('twig.exception_listener.controller', $config['exception_controller']);
$container->setParameter('twig.form.resources', $config['form']['resources']);
$twigFilesystemLoaderDefinition = $container->getDefinition('twig.loader.filesystem');
// register user-configured paths
foreach ($config['paths'] as $path => $namespace) {
if (!$namespace) {
$twigFilesystemLoaderDefinition->addMethodCall('addPath', array($path));
} else {
$twigFilesystemLoaderDefinition->addMethodCall('addPath', array($path, $namespace));
}
}
// register bundles as Twig namespaces
foreach ($container->getParameter('kernel.bundles') as $bundle => $class) {
if (is_dir($dir = $container->getParameter('kernel.root_dir').'/Resources/'.$bundle.'/views')) {
$this->addTwigPath($twigFilesystemLoaderDefinition, $dir, $bundle);
}
$reflection = new \ReflectionClass($class);
if (is_dir($dir = dirname($reflection->getFilename()).'/Resources/views')) {
$this->addTwigPath($twigFilesystemLoaderDefinition, $dir, $bundle);
}
}
if (is_dir($dir = $container->getParameter('kernel.root_dir').'/Resources/views')) {
$twigFilesystemLoaderDefinition->addMethodCall('addPath', array($dir));
}
if (!empty($config['globals'])) {
$def = $container->getDefinition('twig');
foreach ($config['globals'] as $key => $global) {
if (isset($global['type']) && 'service' === $global['type']) {
$def->addMethodCall('addGlobal', array($key, new Reference($global['id'])));
} else {
$def->addMethodCall('addGlobal', array($key, $global['value']));
}
}
}
unset(
$config['form'],
$config['globals'],
$config['extensions']
);
if ($container->getParameter('kernel.debug')) {
$loader->load('debug.xml');
$container->setDefinition('templating.engine.twig', $container->findDefinition('debug.templating.engine.twig'));
$container->setAlias('debug.templating.engine.twig', 'templating.engine.twig');
}
if (isset($config['autoescape_service']) && isset($config['autoescape_service_method'])) {
$container->findDefinition('templating.engine.twig')->addMethodCall('setDefaultEscapingStrategy', array(array(new Reference($config['autoescape_service']), $config['autoescape_service_method'])));
unset($config['autoescape_service'], $config['autoescape_service_method']);
} elseif (!isset($config['autoescape'])) {
$container->findDefinition('templating.engine.twig')->addMethodCall('setDefaultEscapingStrategy', array(array(new Reference('templating.engine.twig'), 'guessDefaultEscapingStrategy')));
}
$container->setParameter('twig.options', $config);
$this->addClassesToCompile(array(
'Twig_Environment',
'Twig_Extension',
'Twig_Extension_Core',
'Twig_Extension_Escaper',
'Twig_Extension_Optimizer',
'Twig_LoaderInterface',
'Twig_Markup',
'Twig_Template',
));
}
private function addTwigPath($twigFilesystemLoaderDefinition, $dir, $bundle)
{
$name = $bundle;
if ('Bundle' === substr($name, -6)) {
$name = substr($name, 0, -6);
}
$twigFilesystemLoaderDefinition->addMethodCall('addPath', array($dir, $name));
}
/**
* Returns the base path for the XSD files.
*
* @return string The XSD base path
*/
public function getXsdValidationBasePath()
{
return __DIR__.'/../Resources/config/schema';
}
public function getNamespace()
{
return 'http://symfony.com/schema/dic/twig';
}
}
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