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<?php |
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declare(strict_types=1); |
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namespace Overblog\GraphQLBundle\Config\Parser; |
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use Exception; |
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use GraphQL\Language\AST\DefinitionNode; |
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use GraphQL\Language\AST\EnumTypeDefinitionNode; |
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use GraphQL\Language\AST\InputObjectTypeDefinitionNode; |
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use GraphQL\Language\AST\NodeKind; |
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use GraphQL\Language\AST\ObjectTypeDefinitionNode; |
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use GraphQL\Language\Parser; |
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use SplFileInfo; |
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use Symfony\Component\Config\Resource\FileResource; |
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use Symfony\Component\DependencyInjection\ContainerBuilder; |
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use Symfony\Component\DependencyInjection\Exception\InvalidArgumentException; |
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use function array_keys; |
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use function array_pop; |
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use function call_user_func; |
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use function explode; |
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use function file_get_contents; |
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use function get_class; |
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use function in_array; |
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use function preg_replace; |
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use function sprintf; |
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use function trim; |
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use function ucfirst; |
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class GraphQLParser implements ParserInterface |
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{ |
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private const DEFINITION_TYPE_MAPPING = [ |
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NodeKind::OBJECT_TYPE_DEFINITION => 'object', |
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NodeKind::INTERFACE_TYPE_DEFINITION => 'interface', |
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NodeKind::ENUM_TYPE_DEFINITION => 'enum', |
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NodeKind::UNION_TYPE_DEFINITION => 'union', |
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NodeKind::INPUT_OBJECT_TYPE_DEFINITION => 'inputObject', |
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NodeKind::SCALAR_TYPE_DEFINITION => 'customScalar', |
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]; |
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public static function parse(SplFileInfo $file, ContainerBuilder $container, array $configs = []): array |
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{ |
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$container->addResource(new FileResource($file->getRealPath())); |
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$content = trim(file_get_contents($file->getPathname())); |
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$typesConfig = []; |
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// allow empty files |
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if (empty($content)) { |
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return []; |
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} |
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try { |
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$ast = Parser::parse($content); |
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} catch (Exception $e) { |
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throw new InvalidArgumentException(sprintf('An error occurred while parsing the file "%s".', $file), $e->getCode(), $e); |
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} |
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foreach ($ast->definitions as $typeDef) { |
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/** |
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* @var ObjectTypeDefinitionNode|InputObjectTypeDefinitionNode|EnumTypeDefinitionNode $typeDef |
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*/ |
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if (isset($typeDef->kind) && in_array($typeDef->kind, array_keys(self::DEFINITION_TYPE_MAPPING))) { |
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$class = sprintf('\\%s\\GraphQL\\ASTConverter\\%sNode', __NAMESPACE__, ucfirst(self::DEFINITION_TYPE_MAPPING[$typeDef->kind])); |
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$astConverterCallable = [$class, 'toConfig']; |
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if (is_callable($astConverterCallable)) { |
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$typesConfig[$typeDef->name->value] = call_user_func($astConverterCallable, $typeDef); |
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} else { |
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self::throwUnsupportedDefinitionNode($typeDef); |
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} |
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} else { |
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self::throwUnsupportedDefinitionNode($typeDef); |
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} |
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} |
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return $typesConfig; |
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} |
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private static function throwUnsupportedDefinitionNode(DefinitionNode $typeDef): void |
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{ |
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$path = explode('\\', get_class($typeDef)); |
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throw new InvalidArgumentException( |
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sprintf( |
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'%s definition is not supported right now.', |
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preg_replace('@DefinitionNode$@', '', array_pop($path)) |
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) |
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); |
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} |
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} |
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overblog /
GraphQLBundle
