1 <?php

     2 

     3 /*

     4  * This file is part of the Symfony framework.

     5  *

     6  * (c) Fabien Potencier <fabien@symfony.com>

     7  *

     8  * This source file is subject to the MIT license that is bundled

     9  * with this source code in the file LICENSE.

    10  */

    11 

    12 namespace Symfony\Bundle\TwigBundle\DependencyInjection;

    13 

    14 use Symfony\Component\Config\Definition\Builder\ArrayNodeDefinition;

    15 use Symfony\Component\Config\Definition\Builder\TreeBuilder;

    16 use Symfony\Component\Config\Definition\ConfigurationInterface;

    17 

    18 /**

    19  * TwigExtension configuration structure.

    20  *

    21  * @author Jeremy Mikola <jmikola@gmail.com>

    22  */

    23 class Configuration implements ConfigurationInterface

    24 {

    25     /**

    26      * Generates the configuration tree builder.

    27      *

    28      * @return \Symfony\Component\Config\Definition\Builder\TreeBuilder The tree builder

    29      */

    30     public function getConfigTreeBuilder()

    31     {

    32         $treeBuilder = new TreeBuilder();

    33         $rootNode = $treeBuilder->root('twig');

    34 

    35         $rootNode

    36             ->children()

    37                 ->scalarNode('exception_controller')->defaultValue('Symfony\\Bundle\\TwigBundle\\Controller\\ExceptionController::showAction')->end()

    38             ->end()

    39         ;

    40 

    41         $this->addFormSection($rootNode);

    42         $this->addGlobalsSection($rootNode);

    43         $this->addTwigOptions($rootNode);

    44 

    45         return $treeBuilder;

    46     }

    47 

    48     private function addFormSection(ArrayNodeDefinition $rootNode)

    49     {

    50         $rootNode

    51             ->children()

    52                 ->arrayNode('form')

    53                     ->addDefaultsIfNotSet()

    54                     ->fixXmlConfig('resource')

    55                     ->children()

    56                         ->arrayNode('resources')

    57                             ->addDefaultsIfNotSet()

    58                             ->defaultValue(array('form_div_layout.html.twig'))

    59                             ->validate()

    60                                 ->ifTrue(function($v) { return !in_array('form_div_layout.html.twig', $v); })

    61                                 ->then(function($v){

    62                                     return array_merge(array('form_div_layout.html.twig'), $v);

    63                                 })

    64                             ->end()

    65                             ->prototype('scalar')->end()

    66                         ->end()

    67                     ->end()

    68                 ->end()

    69             ->end()

    70         ;

    71     }

    72 

    73     private function addGlobalsSection(ArrayNodeDefinition $rootNode)

    74     {

    75         $rootNode

    76             ->fixXmlConfig('global')

    77             ->children()

    78                 ->arrayNode('globals')

    79                     ->useAttributeAsKey('key')

    80                     ->prototype('array')

    81                         ->beforeNormalization()

    82                             ->ifTrue(function($v){ return is_string($v) && '@' === substr($v, 0, 1); })

    83                             ->then(function($v){ return array('id' => substr($v, 1), 'type' => 'service'); })

    84                         ->end()

    85                         ->beforeNormalization()

    86                             ->ifTrue(function($v){

    87                                 if (is_array($v)) {

    88                                     $keys = array_keys($v);

    89                                     sort($keys);

    90 

    91                                     return $keys !== array('id', 'type') && $keys !== array('value');

    92                                 }

    93 

    94                                 return true;

    95                             })

    96                             ->then(function($v){ return array('value' => $v); })

    97                         ->end()

    98                         ->children()

    99                             ->scalarNode('id')->end()

   100                             ->scalarNode('type')

   101                                 ->validate()

   102                                     ->ifNotInArray(array('service'))

   103                                     ->thenInvalid('The %s type is not supported')

   104                                 ->end()

   105                             ->end()

   106                             ->variableNode('value')->end()

   107                         ->end()

   108                     ->end()

   109                 ->end()

   110             ->end()

   111         ;

   112     }

   113 

   114     private function addTwigOptions(ArrayNodeDefinition $rootNode)

   115     {

   116         $rootNode

   117             ->children()

   118                 ->scalarNode('autoescape')->end()

   119                 ->scalarNode('base_template_class')->end()

   120                 ->scalarNode('cache')->defaultValue('%kernel.cache_dir%/twig')->end()

   121                 ->scalarNode('charset')->defaultValue('%kernel.charset%')->end()

   122                 ->scalarNode('debug')->defaultValue('%kernel.debug%')->end()

   123                 ->scalarNode('strict_variables')->end()

   124                 ->scalarNode('auto_reload')->end()

   125             ->end()

   126         ;

   127     }

   128 }