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 11:17 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\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\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
{

    private static $instance;

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

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

        $this->register();
    }

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

        return self::$instance;
    }

    /**
     * @param string $id
     * @return mixed
     */
    public function get(string $id)
    {
        return $this->container->get($id);
    }

    /**
     * @param $id
     * @param $concrete
     */
    public function add($id, $concrete)
    {
        $this->container->add($id, $concrete);
    }

    /**
     * @return ParserInterface
     */
    public function getParser(): ParserInterface
    {
        return $this->container->get(ParserInterface::class);
    }

    /**
     * @return LexerInterface
     */
    public function getLexer(): LexerInterface
    {
        return $this->container->get(LexerInterface::class);
    }

    /**
     * @return PrinterInterface
     */
    public function getPrinter(): PrinterInterface
    {
        return $this->container->get(PrinterInterface::class);
    }

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

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

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

        $this->container->add(LexerInterface::class, function () {
            $readers = [
                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 new Lexer($readers);
        });
    }

    /**
     * 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,
                    ],
                ]
            ]);
        });
    }

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

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


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

digiaonline / graphql-php

Pull Request — master (#21)

GraphQLRuntime::registerScalarTypes() C

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