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<?php |
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namespace Overblog\GraphQLBundle\DependencyInjection; |
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use GraphQL\Validator\Rules\QueryComplexity; |
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use GraphQL\Validator\Rules\QueryDepth; |
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use Overblog\GraphQLBundle\Error\ErrorHandler; |
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use Overblog\GraphQLBundle\EventListener\ErrorLoggerListener; |
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use Overblog\GraphQLBundle\Resolver\Resolver; |
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use Symfony\Component\Config\Definition\Builder\ArrayNodeDefinition; |
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use Symfony\Component\Config\Definition\Builder\EnumNodeDefinition; |
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use Symfony\Component\Config\Definition\Builder\ScalarNodeDefinition; |
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use Symfony\Component\Config\Definition\Builder\TreeBuilder; |
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use Symfony\Component\Config\Definition\ConfigurationInterface; |
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class Configuration implements ConfigurationInterface |
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{ |
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const NAME = 'overblog_graphql'; |
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/** bool */ |
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private $debug; |
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/** null|string */ |
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private $cacheDir; |
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/** |
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* Constructor. |
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* |
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* @param bool $debug Whether to use the debug mode |
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* @param null|string $cacheDir |
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*/ |
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public function __construct($debug, $cacheDir = null) |
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{ |
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$this->debug = (bool) $debug; |
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$this->cacheDir = $cacheDir; |
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} |
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public function getConfigTreeBuilder() |
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{ |
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$treeBuilder = new TreeBuilder(); |
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$rootNode = $treeBuilder->root(self::NAME); |
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$rootNode |
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->children() |
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->append($this->batchingMethodSection()) |
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->append($this->definitionsSection()) |
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->append($this->errorsHandlerSection()) |
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->append($this->servicesSection()) |
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->append($this->securitySection()) |
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->end(); |
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return $treeBuilder; |
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} |
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private function batchingMethodSection() |
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{ |
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$builder = new TreeBuilder(); |
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/** @var EnumNodeDefinition $node */ |
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$node = $builder->root('batching_method', 'enum'); |
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$node |
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->values(['relay', 'apollo']) |
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->defaultValue('relay') |
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->end(); |
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return $node; |
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} |
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private function errorsHandlerSection() |
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{ |
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$builder = new TreeBuilder(); |
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/** @var ArrayNodeDefinition $node */ |
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$node = $builder->root('errors_handler'); |
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$node |
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->treatFalseLike(['enabled' => false]) |
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->treatTrueLike(['enabled' => true]) |
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->treatNullLike(['enabled' => true]) |
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->addDefaultsIfNotSet() |
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->children() |
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->booleanNode('enabled')->defaultTrue()->end() |
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->scalarNode('internal_error_message')->defaultValue(ErrorHandler::DEFAULT_ERROR_MESSAGE)->end() |
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->booleanNode('rethrow_internal_exceptions')->defaultFalse()->end() |
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->booleanNode('debug')->defaultValue($this->debug)->end() |
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->booleanNode('log')->defaultTrue()->end() |
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->scalarNode('logger_service')->defaultValue(ErrorLoggerListener::DEFAULT_LOGGER_SERVICE)->end() |
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->booleanNode('map_exceptions_to_parent')->defaultFalse()->end() |
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->arrayNode('exceptions') |
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->addDefaultsIfNotSet() |
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->children() |
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->arrayNode('warnings') |
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->treatNullLike([]) |
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->prototype('scalar')->end() |
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->end() |
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->arrayNode('errors') |
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->treatNullLike([]) |
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->prototype('scalar')->end() |
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->end() |
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->end() |
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->end(); |
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return $node; |
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} |
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private function definitionsSection() |
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{ |
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$builder = new TreeBuilder(); |
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/** @var ArrayNodeDefinition $node */ |
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$node = $builder->root('definitions'); |
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$node |
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->addDefaultsIfNotSet() |
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->children() |
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->variableNode('default_resolver')->defaultValue([Resolver::class, 'defaultResolveFn'])->end() |
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->scalarNode('class_namespace')->defaultValue('Overblog\\GraphQLBundle\\__DEFINITIONS__')->end() |
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->scalarNode('cache_dir')->defaultNull()->end() |
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->booleanNode('use_classloader_listener')->defaultTrue()->end() |
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->booleanNode('auto_compile')->defaultTrue()->end() |
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->booleanNode('show_debug_info')->info('Show some performance stats in extensions')->defaultFalse()->end() |
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->booleanNode('config_validation')->defaultValue($this->debug)->end() |
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->append($this->definitionsSchemaSection()) |
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->append($this->definitionsMappingsSection()) |
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->arrayNode('builders') |
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->children() |
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->append($this->builderSection('field')) |
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->append($this->builderSection('args')) |
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->end() |
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->end() |
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->end() |
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->end(); |
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return $node; |
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} |
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private function servicesSection() |
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{ |
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$builder = new TreeBuilder(); |
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/** @var ArrayNodeDefinition $node */ |
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$node = $builder->root('services'); |
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$node |
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->addDefaultsIfNotSet() |
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->children() |
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->scalarNode('executor') |
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->defaultValue(self::NAME.'.executor.default') |
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->end() |
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->scalarNode('promise_adapter') |
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->defaultValue(self::NAME.'.promise_adapter.default') |
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->end() |
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->scalarNode('expression_language') |
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->defaultValue(self::NAME.'.expression_language.default') |
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->end() |
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->scalarNode('cache_expression_language_parser')->end() |
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->end() |
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->end(); |
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return $node; |
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} |
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private function securitySection() |
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{ |
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$builder = new TreeBuilder(); |
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/** @var ArrayNodeDefinition $node */ |
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$node = $builder->root('security'); |
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$node |
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->addDefaultsIfNotSet() |
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->children() |
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->append($this->securityQuerySection('query_max_depth', QueryDepth::DISABLED)) |
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->append($this->securityQuerySection('query_max_complexity', QueryComplexity::DISABLED)) |
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->booleanNode('enable_introspection')->defaultTrue()->end() |
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->booleanNode('handle_cors')->defaultFalse()->end() |
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->end() |
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->end(); |
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return $node; |
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} |
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private function definitionsSchemaSection() |
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{ |
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$builder = new TreeBuilder(); |
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/** @var ArrayNodeDefinition $node */ |
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$node = $builder->root('schema'); |
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$node |
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->beforeNormalization() |
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->ifTrue(function ($v) { |
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return isset($v['query']) && is_string($v['query']) || isset($v['mutation']) && is_string($v['mutation']); |
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}) |
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->then(function ($v) { |
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return ['default' => $v]; |
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}) |
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->end() |
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->useAttributeAsKey('name') |
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->prototype('array') |
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->addDefaultsIfNotSet() |
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->children() |
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->scalarNode('query')->defaultNull()->end() |
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->scalarNode('mutation')->defaultNull()->end() |
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->scalarNode('subscription')->defaultNull()->end() |
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->arrayNode('resolver_maps') |
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->defaultValue([]) |
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->prototype('scalar')->end() |
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->end() |
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->arrayNode('types') |
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->defaultValue([]) |
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->prototype('scalar')->end() |
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->end() |
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->end() |
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->end() |
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->end(); |
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return $node; |
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} |
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private function definitionsMappingsSection() |
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{ |
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$builder = new TreeBuilder(); |
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$node = $builder->root('mappings'); |
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$node |
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->children() |
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->arrayNode('auto_discover') |
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->treatFalseLike(['bundles' => false, 'root_dir' => false]) |
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->treatTrueLike(['bundles' => true, 'root_dir' => true]) |
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->treatNullLike(['bundles' => true, 'root_dir' => true]) |
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->addDefaultsIfNotSet() |
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->children() |
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->booleanNode('bundles')->defaultTrue()->end() |
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->booleanNode('root_dir')->defaultTrue()->end() |
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->end() |
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->end() |
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->arrayNode('types') |
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->prototype('array') |
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->addDefaultsIfNotSet() |
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->beforeNormalization() |
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->ifTrue(function ($v) { |
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return isset($v['type']) && is_string($v['type']); |
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}) |
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->then(function ($v) { |
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if ('yml' === $v['type']) { |
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$v['types'] = ['yaml']; |
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} else { |
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$v['types'] = [$v['type']]; |
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} |
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unset($v['type']); |
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return $v; |
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}) |
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->end() |
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->children() |
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->arrayNode('types') |
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->prototype('enum')->values(array_keys(OverblogGraphQLTypesExtension::SUPPORTED_TYPES_EXTENSIONS))->isRequired()->end() |
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->end() |
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->scalarNode('dir')->defaultNull()->end() |
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->scalarNode('suffix')->defaultValue(OverblogGraphQLTypesExtension::DEFAULT_TYPES_SUFFIX)->end() |
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->end() |
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->end() |
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->end() |
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->end() |
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; |
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return $node; |
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} |
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/** |
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* @param string $name |
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* |
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* @return ArrayNodeDefinition |
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*/ |
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private function builderSection($name) |
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{ |
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$builder = new TreeBuilder(); |
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/** @var ArrayNodeDefinition $node */ |
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$node = $builder->root($name); |
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$node->beforeNormalization() |
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->ifTrue(function ($v) { |
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return is_array($v) && !empty($v); |
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}) |
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->then(function ($v) { |
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foreach ($v as $key => &$config) { |
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if (is_string($config)) { |
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$config = [ |
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'alias' => $key, |
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'class' => $config, |
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]; |
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} |
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} |
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return $v; |
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}) |
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->end(); |
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$node->prototype('array') |
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->children() |
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->scalarNode('alias')->isRequired()->end() |
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->scalarNode('class')->isRequired()->end() |
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->end() |
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->end() |
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; |
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return $node; |
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} |
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/** |
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* @param string $name |
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* @param bool $disabledValue |
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* |
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* @return ScalarNodeDefinition |
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*/ |
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private function securityQuerySection($name, $disabledValue) |
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{ |
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$builder = new TreeBuilder(); |
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/** @var ScalarNodeDefinition $node */ |
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$node = $builder->root($name, 'scalar'); |
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$node->beforeNormalization() |
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->ifTrue(function ($v) { |
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return is_string($v) && is_numeric($v); |
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}) |
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->then(function ($v) { |
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return (int) $v; |
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}) |
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->end(); |
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$node |
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->info('Disabled if equal to false.') |
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->beforeNormalization() |
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->ifTrue(function ($v) { |
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return false === $v; |
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}) |
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->then(function () use ($disabledValue) { |
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return $disabledValue; |
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}) |
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->end() |
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->defaultFalse() |
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->validate() |
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->ifTrue(function ($v) { |
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return is_int($v) && $v < 0; |
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}) |
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->thenInvalid(sprintf('"%s.security.%s" must be greater or equal to 0.', self::NAME, $name)) |
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->end() |
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; |
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return $node; |
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} |
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} |
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PHP Analyzer performs a side-effects analysis of your code. A side-effect is basically anything that might be visible after the scope of the method is left.
Let’s take a look at an example:
If we look at the
getEmail()
method, we can see that it has no side-effect. Whether you call this method or not, no future calls to other methods are affected by this. As such code as the following is useless:On the hand, if we look at the
setEmail()
, this method _has_ side-effects. In the following case, we could not remove the method call: