GraphQLRuntime::registerScalarTypes() - Code Metrics - Inspection of "Dependecy injection" - digiaonline/graphql-php - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Pull Request — master (#21)

by Christoffer

created 2018-03-02 12:24 UTC

GraphQLRuntime::registerScalarTypes() C

↳ Parent: GraphQLRuntime

Complexity

Conditions	7
Paths	1

Size

Total Lines	188
Code Lines	95

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	7
eloc	95
c	0
b	0
f	0
nc	1
nop	0
dl	0
loc	188
rs	6.4589

4 Methods

Rating	Name	Size	Complexity
A	coerceFloat()	11	4
C	coerceInt()	22	8
B	coerceString()	19	5
A	coerceBoolean()	7	2

How to fix Long Method

<?php

namespace Digia\GraphQL;

use Digia\GraphQL\Language\AST\Builder\ArgumentBuilder;
use Digia\GraphQL\Language\AST\Builder\BooleanBuilder;
use Digia\GraphQL\Language\AST\Builder\BuilderInterface;
use Digia\GraphQL\Language\AST\Builder\DirectiveBuilder;
use Digia\GraphQL\Language\AST\Builder\DirectiveDefinitionBuilder;
use Digia\GraphQL\Language\AST\Builder\DocumentBuilder;
use Digia\GraphQL\Language\AST\Builder\EnumBuilder;
use Digia\GraphQL\Language\AST\Builder\EnumTypeDefinitionBuilder;
use Digia\GraphQL\Language\AST\Builder\EnumTypeExtensionBuilder;
use Digia\GraphQL\Language\AST\Builder\EnumValueDefinitionBuilder;
use Digia\GraphQL\Language\AST\Builder\FieldBuilder;
use Digia\GraphQL\Language\AST\Builder\FieldDefinitionBuilder;
use Digia\GraphQL\Language\AST\Builder\FloatBuilder;
use Digia\GraphQL\Language\AST\Builder\FragmentDefinitionBuilder;
use Digia\GraphQL\Language\AST\Builder\FragmentSpreadBuilder;
use Digia\GraphQL\Language\AST\Builder\InlineFragmentBuilder;
use Digia\GraphQL\Language\AST\Builder\InputObjectTypeDefinitionBuilder;
use Digia\GraphQL\Language\AST\Builder\InputObjectTypeExtensionBuilder;
use Digia\GraphQL\Language\AST\Builder\InputValueDefinitionBuilder;
use Digia\GraphQL\Language\AST\Builder\IntBuilder;
use Digia\GraphQL\Language\AST\Builder\InterfaceTypeDefinitionBuilder;
use Digia\GraphQL\Language\AST\Builder\InterfaceTypeExtensionBuilder;
use Digia\GraphQL\Language\AST\Builder\ListBuilder;
use Digia\GraphQL\Language\AST\Builder\ListTypeBuilder;
use Digia\GraphQL\Language\AST\Builder\NameBuilder;
use Digia\GraphQL\Language\AST\Builder\NamedTypeBuilder;
use Digia\GraphQL\Language\AST\Builder\NodeBuilder;
use Digia\GraphQL\Language\AST\Builder\NodeBuilderInterface;
use Digia\GraphQL\Language\AST\Builder\NonNullTypeBuilder;
use Digia\GraphQL\Language\AST\Builder\NullBuilder;
use Digia\GraphQL\Language\AST\Builder\ObjectBuilder;
use Digia\GraphQL\Language\AST\Builder\ObjectFieldBuilder;
use Digia\GraphQL\Language\AST\Builder\ObjectTypeDefinitionBuilder;
use Digia\GraphQL\Language\AST\Builder\ObjectTypeExtensionBuilder;
use Digia\GraphQL\Language\AST\Builder\OperationDefinitionBuilder;
use Digia\GraphQL\Language\AST\Builder\OperationTypeDefinitionBuilder;
use Digia\GraphQL\Language\AST\Builder\ScalarTypeDefinitionBuilder;
use Digia\GraphQL\Language\AST\Builder\ScalarTypeExtensionBuilder;
use Digia\GraphQL\Language\AST\Builder\SchemaDefinitionBuilder;
use Digia\GraphQL\Language\AST\Builder\SelectionSetBuilder;
use Digia\GraphQL\Language\AST\Builder\StringBuilder;
use Digia\GraphQL\Language\AST\Builder\UnionTypeDefinitionBuilder;
use Digia\GraphQL\Language\AST\Builder\UnionTypeExtensionBuilder;
use Digia\GraphQL\Language\AST\Builder\VariableBuilder;
use Digia\GraphQL\Language\AST\Builder\VariableDefinitionBuilder;
use Digia\GraphQL\Language\AST\DirectiveLocationEnum;
use Digia\GraphQL\Language\AST\Node\BooleanValueNode;
use Digia\GraphQL\Language\AST\Node\FloatValueNode;
use Digia\GraphQL\Language\AST\Node\IntValueNode;
use Digia\GraphQL\Language\AST\Node\NodeInterface;
use Digia\GraphQL\Language\AST\Node\StringValueNode;
use Digia\GraphQL\Language\AST\NodeKindEnum;
use Digia\GraphQL\Language\Lexer;
use Digia\GraphQL\Language\LexerInterface;
use Digia\GraphQL\Language\Parser;
use Digia\GraphQL\Language\ParserInterface;
use Digia\GraphQL\Language\Printer;
use Digia\GraphQL\Language\PrinterInterface;
use Digia\GraphQL\Language\Reader\AmpReader;
use Digia\GraphQL\Language\Reader\AtReader;
use Digia\GraphQL\Language\Reader\BangReader;
use Digia\GraphQL\Language\Reader\BlockStringReader;
use Digia\GraphQL\Language\Reader\BraceReader;
use Digia\GraphQL\Language\Reader\BracketReader;
use Digia\GraphQL\Language\Reader\ColonReader;
use Digia\GraphQL\Language\Reader\CommentReader;
use Digia\GraphQL\Language\Reader\DollarReader;
use Digia\GraphQL\Language\Reader\EqualsReader;
use Digia\GraphQL\Language\Reader\NameReader;
use Digia\GraphQL\Language\Reader\NumberReader;
use Digia\GraphQL\Language\Reader\ParenthesisReader;
use Digia\GraphQL\Language\Reader\PipeReader;
use Digia\GraphQL\Language\Reader\ReaderInterface;
use Digia\GraphQL\Language\Reader\SpreadReader;
use Digia\GraphQL\Language\Reader\StringReader;
use Digia\GraphQL\Type\Definition\TypeNameEnum;
use League\Container\Container;
use League\Container\Definition\DefinitionInterface;
use const Digia\GraphQL\Type\MAX_INT;

use const Digia\GraphQL\Type\MIN_INT;

use function Digia\GraphQL\Type\GraphQLBoolean;
use function Digia\GraphQL\Type\GraphQLDirective;
use function Digia\GraphQL\Type\GraphQLNonNull;
use function Digia\GraphQL\Type\GraphQLScalarType;
use function Digia\GraphQL\Type\GraphQLString;

class GraphQLRuntime
{

    /**
     * @var GraphQLRuntime
     */
    private static $instance;

    /**
     * @var BuilderInterface[]
     */
    private static $nodeBuilders;

    /**
     * @var ReaderInterface[]
     */
    private static $sourceReaders;

    /**
     * @var Container
     */
    protected $container;

    /**
     * GraphQL constructor.
     */
    private function __construct()
    {
        $this->container = new Container();

        $this->registerBindings();
    }

    /**
     * @return GraphQLRuntime
     */
    public static function getInstance()
    {
        if (null === self::$instance) {
            self::$instance = new static();
        }

        return self::$instance;
    }

    /**
     * @return BuilderInterface[]
     */
    public static function getNodeBuilders(): array
    {
        if (null === self::$nodeBuilders) {

            self::$nodeBuilders = [
                // Standard
                new ArgumentBuilder(),
                new BooleanBuilder(),
                new DirectiveBuilder(),
                new DocumentBuilder(),
                new EnumBuilder(),
                new FieldBuilder(),
                new FloatBuilder(),
                new FragmentDefinitionBuilder(),
                new FragmentSpreadBuilder(),
                new InlineFragmentBuilder(),
                new IntBuilder(),
                new ListBuilder(),
                new ListTypeBuilder(),
                new NameBuilder(),
                new NamedTypeBuilder(),
                new NonNullTypeBuilder(),
                new NullBuilder(),
                new ObjectBuilder(),
                new ObjectFieldBuilder(),
                new OperationDefinitionBuilder(),
                new SelectionSetBuilder(),
                new StringBuilder(),
                new VariableBuilder(),
                new VariableDefinitionBuilder(),
                // Schema Definition Language (SDL)
                new SchemaDefinitionBuilder(),
                new OperationTypeDefinitionBuilder(),
                new FieldDefinitionBuilder(),
                new ScalarTypeDefinitionBuilder(),
                new ObjectTypeDefinitionBuilder(),
                new InterfaceTypeDefinitionBuilder(),
                new UnionTypeDefinitionBuilder(),
                new EnumTypeDefinitionBuilder(),
                new EnumValueDefinitionBuilder(),
                new InputObjectTypeDefinitionBuilder(),
                new InputValueDefinitionBuilder(),
                new ScalarTypeExtensionBuilder(),
                new ObjectTypeExtensionBuilder(),
                new InterfaceTypeExtensionBuilder(),
                new EnumTypeExtensionBuilder(),
                new UnionTypeExtensionBuilder(),
                new InputObjectTypeExtensionBuilder(),
                new DirectiveDefinitionBuilder(),
            ];
        }

        return self::$nodeBuilders;
    }

    /**
     * @return ReaderInterface[]
     */
    public static function getSourceReaders(): array
    {
        if (null === self::$sourceReaders) {

            self::$sourceReaders = [
                new AmpReader(),
                new AtReader(),
                new BangReader(),
                new BlockStringReader(),
                new BraceReader(),
                new BracketReader(),
                new ColonReader(),
                new CommentReader(),
                new DollarReader(),
                new EqualsReader(),
                new NameReader(),
                new NumberReader(),
                new ParenthesisReader(),
                new PipeReader(),
                new SpreadReader(),
                new StringReader(),
            ];
        }

        return self::$sourceReaders;
    }

    /**
     * @param string $id
     * @return mixed
     */
    public static function make(string $id)
    {
        return self::getInstance()->getContainer()->get($id);
    }

    /**
     * @param string $id
     * @param mixed  $concrete
     * @return DefinitionInterface
     */
    public function bind(string $id, $concrete): DefinitionInterface
    {
        return $this->container->add($id, $concrete);
    }

    /**
     * @param string $id
     * @param mixed  $concrete
     * @return DefinitionInterface
     */
    public function singleton(string $id, $concrete): DefinitionInterface
    {
        return $this->container->add($id, $concrete, true);
    }

    /**
     * @return Container
     */
    public function getContainer(): Container
    {
        return $this->container;
    }

    /**
     *
     */
    protected function registerBindings()
    {
        $this->registerParser();
        $this->registerPrinter();
        $this->registerScalarTypes();
        $this->registerDirectives();
    }

    /**
     * Registers the GraphQL parser with the container.
     */
    protected function registerParser()
    {
        $this->singleton(NodeBuilderInterface::class, function () {
            return new NodeBuilder(self::getNodeBuilders());
        });

        $this->singleton(ParserInterface::class, Parser::class)
            ->addArgument(NodeBuilderInterface::class);

        $this->bind(LexerInterface::class, function () {
            return new Lexer(self::getSourceReaders());
        });
    }

    /**
     * Registers the GraphQL printer with the container.
     */
    protected function registerPrinter()
    {
        $this->singleton(PrinterInterface::class, Printer::class);
    }

    /**
     * Registers the GraphQL scalar types with the container.
     */
    protected function registerScalarTypes()
    {
        /**
         * @param $value
         * @return bool
         * @throws \TypeError
         */
        function coerceBoolean($value): bool
        {
            if (!is_scalar($value)) {
                throw new \TypeError(sprintf('Boolean cannot represent a non-scalar value: %s', $value));
            }

            return (bool)$value;
        }

        $this->singleton('GraphQLBoolean', function () {
            return GraphQLScalarType([
                'name'        => TypeNameEnum::BOOLEAN,
                'description' => 'The `Boolean` scalar type represents `true` or `false`.',
                'serialize'   => function ($value) {
                    return coerceBoolean($value);
                },
                'parseValue'  => function ($value) {
                    return coerceBoolean($value);
                },

                'parseLiteral' => function (NodeInterface $astNode) {
                    /** @var BooleanValueNode $astNode */
                    return $astNode->getKind() === NodeKindEnum::BOOLEAN ? $astNode->getValue() : null;
                },
            ]);
        });

        /**
         * @param $value
         * @return float
         * @throws \TypeError
         */
        function coerceFloat($value): float

        {
            if ($value === '') {
                throw new \TypeError('Float cannot represent non numeric value: (empty string)');
            }

            if (is_numeric($value) || \is_bool($value)) {
                return (float)$value;
            }

            throw new \TypeError(sprintf('Float cannot represent non numeric value: %s', $value));
        }

        $this->singleton('GraphQLFloat', function () {
            return GraphQLScalarType([
                'name'         => TypeNameEnum::FLOAT,
                'description'  =>
                    'The `Float` scalar type represents signed double-precision fractional ' .
                    'values as specified by ' .
                    '[IEEE 754](http://en.wikipedia.org/wiki/IEEE_floating_point).',
                'serialize'    => function ($value) {
                    return coerceFloat($value);
                },
                'parseValue'   => function ($value) {
                    return coerceFloat($value);
                },
                'parseLiteral' => function (NodeInterface $astNode) {
                    /** @var FloatValueNode $astNode */
                    return in_array($astNode->getKind(), [NodeKindEnum::FLOAT, NodeKindEnum::INT], true)
                        ? $astNode->getValue()
                        : null;
                },
            ]);
        });

        /**
         * @param $value
         * @return int
         * @throws \TypeError
         */
        function coerceInt($value)

        {
            if ($value === '') {
                throw new \TypeError('Int cannot represent non 32-bit signed integer value: (empty string)');
            }

            if (\is_bool($value)) {
                $value = (int)$value;
            }

            if (!\is_int($value) || $value > MAX_INT || $value < MIN_INT) {
                throw new \TypeError(sprintf('Int cannot represent non 32-bit signed integer value: %s', $value));
            }

            $intValue   = (int)$value;
            $floatValue = (float)$value;

            if ($floatValue != $intValue || floor($floatValue) !== $floatValue) {
                throw new \TypeError(sprintf('Int cannot represent non-integer value: %s', $value));
            }

            return $intValue;
        }

        $this->singleton('GraphQLInt', function () {
            return GraphQLScalarType([
                'name'         => TypeNameEnum::INT,
                'description'  =>
                    'The `Int` scalar type represents non-fractional signed whole numeric ' .
                    'values. Int can represent values between -(2^31) and 2^31 - 1.',
                'serialize'    => function ($value) {
                    return coerceInt($value);
                },
                'parseValue'   => function ($value) {
                    return coerceInt($value);
                },
                'parseLiteral' => function (NodeInterface $astNode) {
                    /** @var IntValueNode $astNode */
                    return $astNode->getKind() === NodeKindEnum::INT ? $astNode->getValue() : null;
                },
            ]);
        });

        /**
         * @param $value
         * @return string
         * @throws \TypeError
         */
        function coerceString($value): string

        {
            if ($value === null) {
                return 'null';
            }

            if ($value === true) {
                return 'true';
            }

            if ($value === false) {
                return 'false';
            }

            if (!is_scalar($value)) {
                throw new \TypeError('String cannot represent a non-scalar value');
            }

            return (string)$value;
        }

        $this->singleton('GraphQLID', function () {
            return GraphQLScalarType([
                'name'         => TypeNameEnum::ID,
                'description'  =>
                    'The `ID` scalar type represents a unique identifier, often used to ' .
                    'refetch an object or as key for a cache. The ID type appears in a JSON ' .
                    'response as a String; however, it is not intended to be human-readable. ' .
                    'When expected as an input type, any string (such as `"4"`) or integer ' .
                    '(such as `4`) input value will be accepted as an ID.',
                'serialize'    => function ($value) {
                    return coerceString($value);
                },
                'parseValue'   => function ($value) {
                    return coerceString($value);
                },
                'parseLiteral' => function (NodeInterface $astNode) {
                    /** @var StringValueNode $astNode */
                    return in_array($astNode->getKind(), [NodeKindEnum::STRING, NodeKindEnum::INT], true)
                        ? $astNode->getValue()
                        : null;
                },
            ]);
        });

        $this->singleton('GraphQLString', function () {
            return GraphQLScalarType([
                'name'         => TypeNameEnum::STRING,
                'description'  =>
                    'The `String` scalar type represents textual data, represented as UTF-8 ' .
                    'character sequences. The String type is most often used by GraphQL to ' .
                    'represent free-form human-readable text.',
                'serialize'    => function ($value) {
                    return coerceString($value);
                },
                'parseValue'   => function ($value) {
                    return coerceString($value);
                },
                'parseLiteral' => function (NodeInterface $astNode) {
                    /** @var StringValueNode $astNode */
                    return $astNode->getKind() === NodeKindEnum::STRING ? $astNode->getValue() : null;
                },
            ]);
        });
    }

    /**
     * Registers the GraphQL directives with the container.
     */
    protected function registerDirectives()
    {
        $this->singleton('GraphQLIncludeDirective', function () {
            return GraphQLDirective([
                'name'        => 'include',
                'description' =>
                    'Directs the executor to include this field or fragment only when ' .
                    'the `if` argument is true.',
                'locations'   => [
                    DirectiveLocationEnum::FIELD,
                    DirectiveLocationEnum::FRAGMENT_SPREAD,
                    DirectiveLocationEnum::INLINE_FRAGMENT,
                ],
                'args'        => [
                    'if ' => [
                        'type'        => GraphQLNonNull(GraphQLBoolean()),
                        'description' => 'Included when true.',
                    ],
                ],
            ]);
        });

        $this->singleton('GraphQLSkipDirective', function () {
            return GraphQLDirective([
                'name'        => 'skip',
                'description' =>
                    'Directs the executor to skip this field or fragment when the `if` ' .
                    'argument is true.',
                'locations'   => [
                    DirectiveLocationEnum::FIELD,
                    DirectiveLocationEnum::FRAGMENT_SPREAD,
                    DirectiveLocationEnum::INLINE_FRAGMENT,
                ],
                'args'        => [
                    'if' => [
                        'type'        => GraphQLNonNull(GraphQLBoolean()),
                        'description' => 'Skipped when true.',
                    ],
                ],
            ]);
        });

        $this->singleton('GraphQLDeprecatedDirective', function () {
            return GraphQLDirective([
                'name'        => 'deprecated',
                'description' => 'Marks an element of a GraphQL schema as no longer supported.',
                'locations'   => [
                    DirectiveLocationEnum::FIELD_DEFINITION,
                    DirectiveLocationEnum::ENUM_VALUE,
                ],
                'args'        => [
                    'reason' => [
                        'type'         => GraphQLString(),
                        'description'  =>
                            'Explains why this element was deprecated, usually also including a ' .
                            'suggestion for how to access supported similar data. Formatted ' .
                            'in [Markdown](https://daringfireball.net/projects/markdown/).',
                        'defaultValue' => DEFAULT_DEPRECATION_REASON,
                    ],
                ]
            ]);
        });
    }
}


1			<?php
2
3			namespace Digia\GraphQL;
4
5			use Digia\GraphQL\Language\AST\Builder\ArgumentBuilder;
6			use Digia\GraphQL\Language\AST\Builder\BooleanBuilder;
7			use Digia\GraphQL\Language\AST\Builder\BuilderInterface;
8			use Digia\GraphQL\Language\AST\Builder\DirectiveBuilder;
9			use Digia\GraphQL\Language\AST\Builder\DirectiveDefinitionBuilder;
10			use Digia\GraphQL\Language\AST\Builder\DocumentBuilder;
11			use Digia\GraphQL\Language\AST\Builder\EnumBuilder;
12			use Digia\GraphQL\Language\AST\Builder\EnumTypeDefinitionBuilder;
13			use Digia\GraphQL\Language\AST\Builder\EnumTypeExtensionBuilder;
14			use Digia\GraphQL\Language\AST\Builder\EnumValueDefinitionBuilder;
15			use Digia\GraphQL\Language\AST\Builder\FieldBuilder;
16			use Digia\GraphQL\Language\AST\Builder\FieldDefinitionBuilder;
17			use Digia\GraphQL\Language\AST\Builder\FloatBuilder;
18			use Digia\GraphQL\Language\AST\Builder\FragmentDefinitionBuilder;
19			use Digia\GraphQL\Language\AST\Builder\FragmentSpreadBuilder;
20			use Digia\GraphQL\Language\AST\Builder\InlineFragmentBuilder;
21			use Digia\GraphQL\Language\AST\Builder\InputObjectTypeDefinitionBuilder;
22			use Digia\GraphQL\Language\AST\Builder\InputObjectTypeExtensionBuilder;
23			use Digia\GraphQL\Language\AST\Builder\InputValueDefinitionBuilder;
24			use Digia\GraphQL\Language\AST\Builder\IntBuilder;
25			use Digia\GraphQL\Language\AST\Builder\InterfaceTypeDefinitionBuilder;
26			use Digia\GraphQL\Language\AST\Builder\InterfaceTypeExtensionBuilder;
27			use Digia\GraphQL\Language\AST\Builder\ListBuilder;
28			use Digia\GraphQL\Language\AST\Builder\ListTypeBuilder;
29			use Digia\GraphQL\Language\AST\Builder\NameBuilder;
30			use Digia\GraphQL\Language\AST\Builder\NamedTypeBuilder;
31			use Digia\GraphQL\Language\AST\Builder\NodeBuilder;
32			use Digia\GraphQL\Language\AST\Builder\NodeBuilderInterface;
33			use Digia\GraphQL\Language\AST\Builder\NonNullTypeBuilder;
34			use Digia\GraphQL\Language\AST\Builder\NullBuilder;
35			use Digia\GraphQL\Language\AST\Builder\ObjectBuilder;
36			use Digia\GraphQL\Language\AST\Builder\ObjectFieldBuilder;
37			use Digia\GraphQL\Language\AST\Builder\ObjectTypeDefinitionBuilder;
38			use Digia\GraphQL\Language\AST\Builder\ObjectTypeExtensionBuilder;
39			use Digia\GraphQL\Language\AST\Builder\OperationDefinitionBuilder;
40			use Digia\GraphQL\Language\AST\Builder\OperationTypeDefinitionBuilder;
41			use Digia\GraphQL\Language\AST\Builder\ScalarTypeDefinitionBuilder;
42			use Digia\GraphQL\Language\AST\Builder\ScalarTypeExtensionBuilder;
43			use Digia\GraphQL\Language\AST\Builder\SchemaDefinitionBuilder;
44			use Digia\GraphQL\Language\AST\Builder\SelectionSetBuilder;
45			use Digia\GraphQL\Language\AST\Builder\StringBuilder;
46			use Digia\GraphQL\Language\AST\Builder\UnionTypeDefinitionBuilder;
47			use Digia\GraphQL\Language\AST\Builder\UnionTypeExtensionBuilder;
48			use Digia\GraphQL\Language\AST\Builder\VariableBuilder;
49			use Digia\GraphQL\Language\AST\Builder\VariableDefinitionBuilder;
50			use Digia\GraphQL\Language\AST\DirectiveLocationEnum;
51			use Digia\GraphQL\Language\AST\Node\BooleanValueNode;
52			use Digia\GraphQL\Language\AST\Node\FloatValueNode;
53			use Digia\GraphQL\Language\AST\Node\IntValueNode;
54			use Digia\GraphQL\Language\AST\Node\NodeInterface;
55			use Digia\GraphQL\Language\AST\Node\StringValueNode;
56			use Digia\GraphQL\Language\AST\NodeKindEnum;
57			use Digia\GraphQL\Language\Lexer;
58			use Digia\GraphQL\Language\LexerInterface;
59			use Digia\GraphQL\Language\Parser;
60			use Digia\GraphQL\Language\ParserInterface;
61			use Digia\GraphQL\Language\Printer;
62			use Digia\GraphQL\Language\PrinterInterface;
63			use Digia\GraphQL\Language\Reader\AmpReader;
64			use Digia\GraphQL\Language\Reader\AtReader;
65			use Digia\GraphQL\Language\Reader\BangReader;
66			use Digia\GraphQL\Language\Reader\BlockStringReader;
67			use Digia\GraphQL\Language\Reader\BraceReader;
68			use Digia\GraphQL\Language\Reader\BracketReader;
69			use Digia\GraphQL\Language\Reader\ColonReader;
70			use Digia\GraphQL\Language\Reader\CommentReader;
71			use Digia\GraphQL\Language\Reader\DollarReader;
72			use Digia\GraphQL\Language\Reader\EqualsReader;
73			use Digia\GraphQL\Language\Reader\NameReader;
74			use Digia\GraphQL\Language\Reader\NumberReader;
75			use Digia\GraphQL\Language\Reader\ParenthesisReader;
76			use Digia\GraphQL\Language\Reader\PipeReader;
77			use Digia\GraphQL\Language\Reader\ReaderInterface;
78			use Digia\GraphQL\Language\Reader\SpreadReader;
79			use Digia\GraphQL\Language\Reader\StringReader;
80			use Digia\GraphQL\Type\Definition\TypeNameEnum;
81			use League\Container\Container;
82			use League\Container\Definition\DefinitionInterface;
83			use const Digia\GraphQL\Type\MAX_INT;
			0 ignored issues – show Bug introduced 2018-03-02 11:20 UTC by Report Bug Copy Issue Report The constant `Digia\GraphQL\Type\MAX_INT` was not found. Maybe you did not declare it correctly or list all dependencies? Loading history...
84			use const Digia\GraphQL\Type\MIN_INT;
			0 ignored issues – show Bug introduced 2018-03-02 11:20 UTC by Report Bug Copy Issue Report The constant `Digia\GraphQL\Type\MIN_INT` was not found. Maybe you did not declare it correctly or list all dependencies? Loading history...
85			use function Digia\GraphQL\Type\GraphQLBoolean;
86			use function Digia\GraphQL\Type\GraphQLDirective;
87			use function Digia\GraphQL\Type\GraphQLNonNull;
88			use function Digia\GraphQL\Type\GraphQLScalarType;
89			use function Digia\GraphQL\Type\GraphQLString;
90
91			class GraphQLRuntime
92			{
93
94			/**
95			* @var GraphQLRuntime
96			*/
97			private static $instance;
98
99			/**
100			* @var BuilderInterface[]
101			*/
102			private static $nodeBuilders;
103
104			/**
105			* @var ReaderInterface[]
106			*/
107			private static $sourceReaders;
108
109			/**
110			* @var Container
111			*/
112			protected $container;
113
114			/**
115			* GraphQL constructor.
116			*/
117			private function __construct()
118			{
119			$this->container = new Container();
120
121			$this->registerBindings();
122			}
123
124			/**
125			* @return GraphQLRuntime
126			*/
127			public static function getInstance()
128			{
129			if (null === self::$instance) {
130			self::$instance = new static();
131			}
132
133			return self::$instance;
134			}
135
136			/**
137			* @return BuilderInterface[]
138			*/
139			public static function getNodeBuilders(): array
140			{
141			if (null === self::$nodeBuilders) {
			0 ignored issues – show introduced 2018-03-02 12:13 UTC by Report Bug Copy Issue Report The condition `null === self::nodeBuilders` can never be `true`. Loading history...
142			self::$nodeBuilders = [
143			// Standard
144			new ArgumentBuilder(),
145			new BooleanBuilder(),
146			new DirectiveBuilder(),
147			new DocumentBuilder(),
148			new EnumBuilder(),
149			new FieldBuilder(),
150			new FloatBuilder(),
151			new FragmentDefinitionBuilder(),
152			new FragmentSpreadBuilder(),
153			new InlineFragmentBuilder(),
154			new IntBuilder(),
155			new ListBuilder(),
156			new ListTypeBuilder(),
157			new NameBuilder(),
158			new NamedTypeBuilder(),
159			new NonNullTypeBuilder(),
160			new NullBuilder(),
161			new ObjectBuilder(),
162			new ObjectFieldBuilder(),
163			new OperationDefinitionBuilder(),
164			new SelectionSetBuilder(),
165			new StringBuilder(),
166			new VariableBuilder(),
167			new VariableDefinitionBuilder(),
168			// Schema Definition Language (SDL)
169			new SchemaDefinitionBuilder(),
170			new OperationTypeDefinitionBuilder(),
171			new FieldDefinitionBuilder(),
172			new ScalarTypeDefinitionBuilder(),
173			new ObjectTypeDefinitionBuilder(),
174			new InterfaceTypeDefinitionBuilder(),
175			new UnionTypeDefinitionBuilder(),
176			new EnumTypeDefinitionBuilder(),
177			new EnumValueDefinitionBuilder(),
178			new InputObjectTypeDefinitionBuilder(),
179			new InputValueDefinitionBuilder(),
180			new ScalarTypeExtensionBuilder(),
181			new ObjectTypeExtensionBuilder(),
182			new InterfaceTypeExtensionBuilder(),
183			new EnumTypeExtensionBuilder(),
184			new UnionTypeExtensionBuilder(),
185			new InputObjectTypeExtensionBuilder(),
186			new DirectiveDefinitionBuilder(),
187			];
188			}
189
190			return self::$nodeBuilders;
191			}
192
193			/**
194			* @return ReaderInterface[]
195			*/
196			public static function getSourceReaders(): array
197			{
198			if (null === self::$sourceReaders) {
			0 ignored issues – show introduced 2018-03-02 12:13 UTC by Report Bug Copy Issue Report The condition `null === self::sourceReaders` can never be `true`. Loading history...
199			self::$sourceReaders = [
200			new AmpReader(),
201			new AtReader(),
202			new BangReader(),
203			new BlockStringReader(),
204			new BraceReader(),
205			new BracketReader(),
206			new ColonReader(),
207			new CommentReader(),
208			new DollarReader(),
209			new EqualsReader(),
210			new NameReader(),
211			new NumberReader(),
212			new ParenthesisReader(),
213			new PipeReader(),
214			new SpreadReader(),
215			new StringReader(),
216			];
217			}
218
219			return self::$sourceReaders;
220			}
221
222			/**
223			* @param string $id
224			* @return mixed
225			*/
226			public static function make(string $id)
227			{
228			return self::getInstance()->getContainer()->get($id);
229			}
230
231			/**
232			* @param string $id
233			* @param mixed $concrete
234			* @return DefinitionInterface
235			*/
236			public function bind(string $id, $concrete): DefinitionInterface
237			{
238			return $this->container->add($id, $concrete);
239			}
240
241			/**
242			* @param string $id
243			* @param mixed $concrete
244			* @return DefinitionInterface
245			*/
246			public function singleton(string $id, $concrete): DefinitionInterface
247			{
248			return $this->container->add($id, $concrete, true);
249			}
250
251			/**
252			* @return Container
253			*/
254			public function getContainer(): Container
255			{
256			return $this->container;
257			}
258
259			/**
260			*
261			*/
262			protected function registerBindings()
263			{
264			$this->registerParser();
265			$this->registerPrinter();
266			$this->registerScalarTypes();
267			$this->registerDirectives();
268			}
269
270			/**
271			* Registers the GraphQL parser with the container.
272			*/
273			protected function registerParser()
274			{
275			$this->singleton(NodeBuilderInterface::class, function () {
276			return new NodeBuilder(self::getNodeBuilders());
277			});
278
279			$this->singleton(ParserInterface::class, Parser::class)
280			->addArgument(NodeBuilderInterface::class);
281
282			$this->bind(LexerInterface::class, function () {
283			return new Lexer(self::getSourceReaders());
284			});
285			}
286
287			/**
288			* Registers the GraphQL printer with the container.
289			*/
290			protected function registerPrinter()
291			{
292			$this->singleton(PrinterInterface::class, Printer::class);
293			}
294
295			/**
296			* Registers the GraphQL scalar types with the container.
297			*/
298			protected function registerScalarTypes()
299			{
300			/**
301			* @param $value
302			* @return bool
303			* @throws \TypeError
304			*/
305			function coerceBoolean($value): bool
306			{
307			if (!is_scalar($value)) {
308			throw new \TypeError(sprintf('Boolean cannot represent a non-scalar value: %s', $value));
309			}
310
311			return (bool)$value;
312			}
313
314			$this->singleton('GraphQLBoolean', function () {
315			return GraphQLScalarType([
316			'name' => TypeNameEnum::BOOLEAN,
317			'description' => 'The `Boolean` scalar type represents `true` or `false`.',
318			'serialize' => function ($value) {
319			return coerceBoolean($value);
320			},
321			'parseValue' => function ($value) {
322			return coerceBoolean($value);
323			},
324
325			'parseLiteral' => function (NodeInterface $astNode) {
326			/** @var BooleanValueNode $astNode */
327			return $astNode->getKind() === NodeKindEnum::BOOLEAN ? $astNode->getValue() : null;
328			},
329			]);
330			});
331
332			/**
333			* @param $value
334			* @return float
335			* @throws \TypeError
336			*/
337			function coerceFloat($value): float
			0 ignored issues – show Best Practice introduced 2018-03-02 11:20 UTC by Report Bug Copy Issue Report It is generally recommended to explicitly declare the visibility for methods. Adding explicit visibility (`private`, `protected`, or `public`) is generally recommend to communicate to other developers how, and from where this method is intended to be used. Loading history...
338			{
339			if ($value === '') {
340			throw new \TypeError('Float cannot represent non numeric value: (empty string)');
341			}
342
343			if (is_numeric($value) \|\| \is_bool($value)) {
344			return (float)$value;
345			}
346
347			throw new \TypeError(sprintf('Float cannot represent non numeric value: %s', $value));
348			}
349
350			$this->singleton('GraphQLFloat', function () {
351			return GraphQLScalarType([
352			'name' => TypeNameEnum::FLOAT,
353			'description' =>
354			'The `Float` scalar type represents signed double-precision fractional ' .
355			'values as specified by ' .
356			'[IEEE 754](http://en.wikipedia.org/wiki/IEEE_floating_point).',
357			'serialize' => function ($value) {
358			return coerceFloat($value);
359			},
360			'parseValue' => function ($value) {
361			return coerceFloat($value);
362			},
363			'parseLiteral' => function (NodeInterface $astNode) {
364			/** @var FloatValueNode $astNode */
365			return in_array($astNode->getKind(), [NodeKindEnum::FLOAT, NodeKindEnum::INT], true)
366			? $astNode->getValue()
367			: null;
368			},
369			]);
370			});
371
372			/**
373			* @param $value
374			* @return int
375			* @throws \TypeError
376			*/
377			function coerceInt($value)
			0 ignored issues – show Best Practice introduced 2018-03-02 11:20 UTC by Report Bug Copy Issue Report It is generally recommended to explicitly declare the visibility for methods. Adding explicit visibility (`private`, `protected`, or `public`) is generally recommend to communicate to other developers how, and from where this method is intended to be used. Loading history...
378			{
379			if ($value === '') {
380			throw new \TypeError('Int cannot represent non 32-bit signed integer value: (empty string)');
381			}
382
383			if (\is_bool($value)) {
384			$value = (int)$value;
385			}
386
387			if (!\is_int($value) \|\| $value > MAX_INT \|\| $value < MIN_INT) {
388			throw new \TypeError(sprintf('Int cannot represent non 32-bit signed integer value: %s', $value));
389			}
390
391			$intValue = (int)$value;
392			$floatValue = (float)$value;
393
394			if ($floatValue != $intValue \|\| floor($floatValue) !== $floatValue) {
395			throw new \TypeError(sprintf('Int cannot represent non-integer value: %s', $value));
396			}
397
398			return $intValue;
399			}
400
401			$this->singleton('GraphQLInt', function () {
402			return GraphQLScalarType([
403			'name' => TypeNameEnum::INT,
404			'description' =>
405			'The `Int` scalar type represents non-fractional signed whole numeric ' .
406			'values. Int can represent values between -(2^31) and 2^31 - 1.',
407			'serialize' => function ($value) {
408			return coerceInt($value);
409			},
410			'parseValue' => function ($value) {
411			return coerceInt($value);
412			},
413			'parseLiteral' => function (NodeInterface $astNode) {
414			/** @var IntValueNode $astNode */
415			return $astNode->getKind() === NodeKindEnum::INT ? $astNode->getValue() : null;
416			},
417			]);
418			});
419
420			/**
421			* @param $value
422			* @return string
423			* @throws \TypeError
424			*/
425			function coerceString($value): string
			0 ignored issues – show Best Practice introduced 2018-03-02 11:20 UTC by Report Bug Copy Issue Report It is generally recommended to explicitly declare the visibility for methods. Adding explicit visibility (`private`, `protected`, or `public`) is generally recommend to communicate to other developers how, and from where this method is intended to be used. Loading history...
426			{
427			if ($value === null) {
428			return 'null';
429			}
430
431			if ($value === true) {
432			return 'true';
433			}
434
435			if ($value === false) {
436			return 'false';
437			}
438
439			if (!is_scalar($value)) {
440			throw new \TypeError('String cannot represent a non-scalar value');
441			}
442
443			return (string)$value;
444			}
445
446			$this->singleton('GraphQLID', function () {
447			return GraphQLScalarType([
448			'name' => TypeNameEnum::ID,
449			'description' =>
450			'The `ID` scalar type represents a unique identifier, often used to ' .
451			'refetch an object or as key for a cache. The ID type appears in a JSON ' .
452			'response as a String; however, it is not intended to be human-readable. ' .
453			'When expected as an input type, any string (such as `"4"`) or integer ' .
454			'(such as `4`) input value will be accepted as an ID.',
455			'serialize' => function ($value) {
456			return coerceString($value);
457			},
458			'parseValue' => function ($value) {
459			return coerceString($value);
460			},
461			'parseLiteral' => function (NodeInterface $astNode) {
462			/** @var StringValueNode $astNode */
463			return in_array($astNode->getKind(), [NodeKindEnum::STRING, NodeKindEnum::INT], true)
464			? $astNode->getValue()
465			: null;
466			},
467			]);
468			});
469
470			$this->singleton('GraphQLString', function () {
471			return GraphQLScalarType([
472			'name' => TypeNameEnum::STRING,
473			'description' =>
474			'The `String` scalar type represents textual data, represented as UTF-8 ' .
475			'character sequences. The String type is most often used by GraphQL to ' .
476			'represent free-form human-readable text.',
477			'serialize' => function ($value) {
478			return coerceString($value);
479			},
480			'parseValue' => function ($value) {
481			return coerceString($value);
482			},
483			'parseLiteral' => function (NodeInterface $astNode) {
484			/** @var StringValueNode $astNode */
485			return $astNode->getKind() === NodeKindEnum::STRING ? $astNode->getValue() : null;
486			},
487			]);
488			});
489			}
490
491			/**
492			* Registers the GraphQL directives with the container.
493			*/
494			protected function registerDirectives()
495			{
496			$this->singleton('GraphQLIncludeDirective', function () {
497			return GraphQLDirective([
498			'name' => 'include',
499			'description' =>
500			'Directs the executor to include this field or fragment only when ' .
501			'the `if` argument is true.',
502			'locations' => [
503			DirectiveLocationEnum::FIELD,
504			DirectiveLocationEnum::FRAGMENT_SPREAD,
505			DirectiveLocationEnum::INLINE_FRAGMENT,
506			],
507			'args' => [
508			'if ' => [
509			'type' => GraphQLNonNull(GraphQLBoolean()),
510			'description' => 'Included when true.',
511			],
512			],
513			]);
514			});
515
516			$this->singleton('GraphQLSkipDirective', function () {
517			return GraphQLDirective([
518			'name' => 'skip',
519			'description' =>
520			'Directs the executor to skip this field or fragment when the `if` ' .
521			'argument is true.',
522			'locations' => [
523			DirectiveLocationEnum::FIELD,
524			DirectiveLocationEnum::FRAGMENT_SPREAD,
525			DirectiveLocationEnum::INLINE_FRAGMENT,
526			],
527			'args' => [
528			'if' => [
529			'type' => GraphQLNonNull(GraphQLBoolean()),
530			'description' => 'Skipped when true.',
531			],
532			],
533			]);
534			});
535
536			$this->singleton('GraphQLDeprecatedDirective', function () {
537			return GraphQLDirective([
538			'name' => 'deprecated',
539			'description' => 'Marks an element of a GraphQL schema as no longer supported.',
540			'locations' => [
541			DirectiveLocationEnum::FIELD_DEFINITION,
542			DirectiveLocationEnum::ENUM_VALUE,
543			],
544			'args' => [
545			'reason' => [
546			'type' => GraphQLString(),
547			'description' =>
548			'Explains why this element was deprecated, usually also including a ' .
549			'suggestion for how to access supported similar data. Formatted ' .
550			'in [Markdown](https://daringfireball.net/projects/markdown/).',
551			'defaultValue' => DEFAULT_DEPRECATION_REASON,
552			],
553			]
554			]);
555			});
556			}
557			}
558

digiaonline / graphql-php

Pull Request — master (#21)

GraphQLRuntime::registerScalarTypes() C

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