--- /dev/null
+<?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\Component\Config\Tests\Fixtures\Configuration;
+
+use Symfony\Component\Config\Definition\Builder\TreeBuilder;
+use Symfony\Component\Config\Definition\ConfigurationInterface;
+
+class ExampleConfiguration implements ConfigurationInterface
+{
+ public function getConfigTreeBuilder()
+ {
+ $treeBuilder = new TreeBuilder();
+ $rootNode = $treeBuilder->root('acme_root');
+
+ $rootNode
+ ->fixXmlConfig('parameter')
+ ->fixXmlConfig('connection')
+ ->children()
+ ->booleanNode('boolean')->defaultTrue()->end()
+ ->scalarNode('scalar_empty')->end()
+ ->scalarNode('scalar_null')->defaultNull()->end()
+ ->scalarNode('scalar_true')->defaultTrue()->end()
+ ->scalarNode('scalar_false')->defaultFalse()->end()
+ ->scalarNode('scalar_default')->defaultValue('default')->end()
+ ->scalarNode('scalar_array_empty')->defaultValue(array())->end()
+ ->scalarNode('scalar_array_defaults')->defaultValue(array('elem1', 'elem2'))->end()
+ ->scalarNode('scalar_required')->isRequired()->end()
+ ->scalarNode('node_with_a_looong_name')->end()
+ ->enumNode('enum_with_default')->values(array('this', 'that'))->defaultValue('this')->end()
+ ->enumNode('enum')->values(array('this', 'that'))->end()
+ ->arrayNode('array')
+ ->info('some info')
+ ->canBeUnset()
+ ->children()
+ ->scalarNode('child1')->end()
+ ->scalarNode('child2')->end()
+ ->scalarNode('child3')
+ ->info(
+ "this is a long\n".
+ "multi-line info text\n".
+ 'which should be indented'
+ )
+ ->example('example setting')
+ ->end()
+ ->end()
+ ->end()
+ ->arrayNode('parameters')
+ ->useAttributeAsKey('name')
+ ->prototype('scalar')->info('Parameter name')->end()
+ ->end()
+ ->arrayNode('connections')
+ ->prototype('array')
+ ->children()
+ ->scalarNode('user')->end()
+ ->scalarNode('pass')->end()
+ ->end()
+ ->end()
+ ->end()
+ ->end()
+ ;
+
+ return $treeBuilder;
+ }
+}