Added configuration pass that adds Twig Loaders
- Added compiler class which picks up any services tagged "twig.loader" - If there is one loader registered we set the alias to this loader - If there is more than one we set the alias to a chain loader and all the loaders to it - If there is no loaders we throw an Exception
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@ -4,6 +4,7 @@ CHANGELOG
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2.2.0
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-----
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* added support for multiple loaders via the "twig.loader" tag.
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* added automatic registration of namespaced paths for registered bundles
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* added support for namespaced paths
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@ -0,0 +1,53 @@
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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Bundle\TwigBundle\DependencyInjection\Compiler;
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use Symfony\Component\DependencyInjection\Reference;
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use Symfony\Component\DependencyInjection\ContainerBuilder;
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use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface;
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use Symfony\Component\DependencyInjection\Exception\LogicException;
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/**
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* If there are any tagged loaders replace
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* default filesystem loader with chain loader
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*
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* Add tagged loaders to chain loader
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*
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* @author Daniel Leech <daniel@dantleech.com>
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*/
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class TwigLoaderPass implements CompilerPassInterface
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{
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public function process(ContainerBuilder $container)
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{
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if (false === $container->hasDefinition('twig')) {
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return;
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}
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// register additional template loaders
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$loaderIds = $container->findTaggedServiceIds('twig.loader');
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if (count($loaderIds) === 0) {
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throw new LogicException('No twig loaders found. You need to tag at least one loader with "twig.loader"');
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}
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if (count($loaderIds) === 1) {
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$container->setAlias('twig.loader', key($loaderIds));
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} else {
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$chainLoader = $container->getDefinition('twig.loader.chain');
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foreach (array_keys($loaderIds) as $id) {
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$chainLoader->addMethodCall('addLoader', array(new Reference($id)));
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};
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$container->setAlias('twig.loader', 'twig.loader.chain');
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}
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}
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}
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@ -7,6 +7,7 @@
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<parameters>
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<parameter key="twig.class">Twig_Environment</parameter>
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<parameter key="twig.loader.filesystem.class">Symfony\Bundle\TwigBundle\Loader\FilesystemLoader</parameter>
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<parameter key="twig.loader.chain.class">Twig_Loader_Chain</parameter>
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<parameter key="templating.engine.twig.class">Symfony\Bundle\TwigBundle\TwigEngine</parameter>
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<parameter key="twig.cache_warmer.class">Symfony\Bundle\TwigBundle\CacheWarmer\TemplateCacheCacheWarmer</parameter>
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<parameter key="twig.extension.trans.class">Symfony\Bridge\Twig\Extension\TranslationExtension</parameter>
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@ -41,8 +42,11 @@
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<service id="twig.loader.filesystem" class="%twig.loader.filesystem.class%" public="false">
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<argument type="service" id="templating.locator" />
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<argument type="service" id="templating.name_parser" />
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<tag name="twig.loader"/>
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</service>
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<service id="twig.loader.chain" class="%twig.loader.chain.class%" public="false"/>
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<service id="twig.loader" alias="twig.loader.filesystem" />
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<service id="templating.engine.twig" class="%templating.engine.twig.class%" public="false">
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@ -0,0 +1,87 @@
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<?php
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namespace symfony\src\Symfony\Bundle\TwigBundle\Tests\DependencyInjection\Compiler;
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use Symfony\Component\DependencyInjection\ContainerBuilder;
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use Symfony\Component\DependencyInjection\Definition;
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use Symfony\Bundle\TwigBundle\DependencyInjection\Compiler\TwigLoaderPass;
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class TwigLoaderPassTest extends \PHPUnit_Framework_TestCase
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{
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public function setUp()
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{
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$this->builder = $this->getMock('Symfony\Component\DependencyInjection\ContainerBuilder');
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$this->chainLoader = new Definition('loader');
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$this->pass = new TwigLoaderPass();
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}
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public function testMapperPassWithOneTaggedLoaders()
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{
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$serviceIds = array(
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'test_loader_1' => array(
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),
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);
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$this->builder->expects($this->once())
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->method('hasDefinition')
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->with('twig')
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->will($this->returnValue(true));
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$this->builder->expects($this->once())
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->method('findTaggedServiceIds')
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->with('twig.loader')
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->will($this->returnValue($serviceIds));
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$this->builder->expects($this->once())
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->method('setAlias')
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->with('twig.loader', 'test_loader_1');
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$this->pass->process($this->builder);
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}
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public function testMapperPassWithTwoTaggedLoaders()
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{
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$serviceIds = array(
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'test_loader_1' => array(
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),
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'test_loader_2' => array(
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),
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);
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$this->builder->expects($this->once())
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->method('hasDefinition')
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->with('twig')
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->will($this->returnValue(true));
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$this->builder->expects($this->once())
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->method('findTaggedServiceIds')
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->with('twig.loader')
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->will($this->returnValue($serviceIds));
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$this->builder->expects($this->once())
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->method('getDefinition')
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->with('twig.loader.chain')
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->will($this->returnValue($this->chainLoader));
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$this->builder->expects($this->once())
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->method('setAlias')
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->with('twig.loader', 'twig.loader.chain');
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$this->pass->process($this->builder);
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$calls = $this->chainLoader->getMethodCalls();
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$this->assertEquals(2, count($calls));
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$this->assertEquals('addLoader', $calls[0][0]);
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}
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/**
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* @expectedException Symfony\Component\DependencyInjection\Exception\LogicException
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*/
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public function testMapperPassWithZeroTaggedLoaders()
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{
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$this->builder->expects($this->once())
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->method('hasDefinition')
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->with('twig')
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->will($this->returnValue(true));
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$this->builder->expects($this->once())
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->method('findTaggedServiceIds')
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->with('twig.loader')
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->will($this->returnValue(array()));
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$this->pass->process($this->builder);
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}
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}
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@ -14,6 +14,7 @@ namespace Symfony\Bundle\TwigBundle;
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use Symfony\Component\HttpKernel\Bundle\Bundle;
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use Symfony\Component\DependencyInjection\ContainerBuilder;
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use Symfony\Bundle\TwigBundle\DependencyInjection\Compiler\TwigEnvironmentPass;
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use Symfony\Bundle\TwigBundle\DependencyInjection\Compiler\TwigLoaderPass;
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use Symfony\Bundle\TwigBundle\DependencyInjection\Compiler\ExceptionListenerPass;
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/**
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@ -28,6 +29,7 @@ class TwigBundle extends Bundle
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parent::build($container);
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$container->addCompilerPass(new TwigEnvironmentPass());
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$container->addCompilerPass(new TwigLoaderPass());
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$container->addCompilerPass(new ExceptionListenerPass());
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}
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}
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