GraphQLRuntime::shared() - 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 14:00 UTC

GraphQLRuntime::shared() A

↳ Parent: GraphQLRuntime

Complexity

Conditions	1
Paths	1

Size

Total Lines	3
Code Lines	1

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	1
eloc	1
nc	1
nop	2
dl	0
loc	3
rs	10
c	0
b	0
f	0

<?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) {

            foreach (self::$supportedNodeBuilders as $className) {
                self::$nodeBuilders[] = new $className();
            }
        }

        return self::$nodeBuilders;
    }

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

            foreach (self::$supportedSourceReaders as $className) {
                self::$sourceReaders[] = new $className();
            }
        }

        return self::$sourceReaders;
    }

    /**
     * @param string $id
     * @return mixed
     */
    public static function get(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 shared(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->shared(NodeBuilderInterface::class, function () {
            return new NodeBuilder(self::getNodeBuilders());
        });

        $this->shared(ParserInterface::class, Parser::class)
            ->withArgument(NodeBuilderInterface::class);

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

    /**
     * Registers the GraphQL printer with the container.
     */
    protected function registerPrinter()
    {
        $this->shared(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;
        }

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

        $this->shared('GraphQLFloat', function () {
            return GraphQLScalarType([
                'name' => TypeNameEnum::FLOAT,
                'description' =>
                    'The `Float` scalar type represents signed double-precision fractional ' .
                    'values as specified by ' .
                    '[IEEE 754](http://en.wikipedia.org/wiki/IEEE_floating_point).',
                'serialize' => function ($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;
        }

        $this->shared('GraphQLInt', function () {
            return GraphQLScalarType([
                'name' => TypeNameEnum::INT,
                'description' =>
                    'The `Int` scalar type represents non-fractional signed whole numeric ' .
                    'values. Int can represent values between -(2^31) and 2^31 - 1.',
                'serialize' => function ($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;
        }

        $this->shared('GraphQLID', function () {
            return GraphQLScalarType([
                'name' => TypeNameEnum::ID,
                'description' =>
                    'The `ID` scalar type represents a unique identifier, often used to ' .
                    'refetch an object or as key for a cache. The ID type appears in a JSON ' .
                    'response as a String; however, it is not intended to be human-readable. ' .
                    'When expected as an input type, any string (such as `"4"`) or integer ' .
                    '(such as `4`) input value will be accepted as an ID.',
                'serialize' => function ($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;
                },
            ]);
        });

        $this->shared('GraphQLString', function () {
            return GraphQLScalarType([
                'name' => TypeNameEnum::STRING,
                'description' =>
                    'The `String` scalar type represents textual data, represented as UTF-8 ' .
                    'character sequences. The String type is most often used by GraphQL to ' .
                    'represent free-form human-readable text.',
                'serialize' => function ($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->shared('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->shared('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->shared('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,
                    ],
                ]
            ]);
        });
    }

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

    /**
     * @var array
     */
    private static $supportedSourceReaders = [
        AmpReader::class,
        AtReader::class,
        BangReader::class,
        BlockStringReader::class,
        BraceReader::class,
        BracketReader::class,
        ColonReader::class,
        CommentReader::class,
        DollarReader::class,
        EqualsReader::class,
        NameReader::class,
        NumberReader::class,
        ParenthesisReader::class,
        PipeReader::class,
        SpreadReader::class,
        StringReader::class,
    ];
}


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::$nodeBuilders) {
			0 ignored issues – show introduced 2018-03-02 12:13 UTC by Report Bug Copy Issue Report The condition `null === self::nodeBuilders` can never be `true`. Loading history...
142			foreach (self::$supportedNodeBuilders as $className) {
143			self::$nodeBuilders[] = new $className();
144			}
145			}
146
147			return self::$nodeBuilders;
148			}
149
150			/**
151			* @return ReaderInterface[]
152			*/
153			public static function getSourceReaders(): array
154			{
155			if (null === self::$sourceReaders) {
			0 ignored issues – show introduced 2018-03-02 12:13 UTC by Report Bug Copy Issue Report The condition `null === self::sourceReaders` can never be `true`. Loading history...
156			foreach (self::$supportedSourceReaders as $className) {
157			self::$sourceReaders[] = new $className();
158			}
159			}
160
161			return self::$sourceReaders;
162			}
163
164			/**
165			* @param string $id
166			* @return mixed
167			*/
168			public static function get(string $id)
169			{
170			return self::getInstance()->getContainer()->get($id);
171			}
172
173			/**
174			* @param string $id
175			* @param mixed $concrete
176			* @return DefinitionInterface
177			*/
178			public function bind(string $id, $concrete): DefinitionInterface
179			{
180			return $this->container->add($id, $concrete);
181			}
182
183			/**
184			* @param string $id
185			* @param mixed $concrete
186			* @return DefinitionInterface
187			*/
188			public function shared(string $id, $concrete): DefinitionInterface
189			{
190			return $this->container->add($id, $concrete, true);
191			}
192
193			/**
194			* @return Container
195			*/
196			public function getContainer(): Container
197			{
198			return $this->container;
199			}
200
201			/**
202			*
203			*/
204			protected function registerBindings()
205			{
206			$this->registerParser();
207			$this->registerPrinter();
208			$this->registerScalarTypes();
209			$this->registerDirectives();
210			}
211
212			/**
213			* Registers the GraphQL parser with the container.
214			*/
215			protected function registerParser()
216			{
217			$this->shared(NodeBuilderInterface::class, function () {
218			return new NodeBuilder(self::getNodeBuilders());
219			});
220
221			$this->shared(ParserInterface::class, Parser::class)
222			->withArgument(NodeBuilderInterface::class);
223
224			$this->bind(LexerInterface::class, function () {
225			return new Lexer(self::getSourceReaders());
226			});
227			}
228
229			/**
230			* Registers the GraphQL printer with the container.
231			*/
232			protected function registerPrinter()
233			{
234			$this->shared(PrinterInterface::class, Printer::class);
235			}
236
237			/**
238			* Registers the GraphQL scalar types with the container.
239			*/
240			protected function registerScalarTypes()
241			{
242			/**
243			* @param $value
244			* @return bool
245			* @throws \TypeError
246			*/
247			function coerceBoolean($value): bool
248			{
249			if (!is_scalar($value)) {
250			throw new \TypeError(sprintf('Boolean cannot represent a non-scalar value: %s', $value));
251			}
252
253			return (bool)$value;
254			}
255
256			$this->shared('GraphQLBoolean', function () {
257			return GraphQLScalarType([
258			'name' => TypeNameEnum::BOOLEAN,
259			'description' => 'The `Boolean` scalar type represents `true` or `false`.',
260			'serialize' => function ($value) {
261			return coerceBoolean($value);
262			},
263			'parseValue' => function ($value) {
264			return coerceBoolean($value);
265			},
266
267			'parseLiteral' => function (NodeInterface $astNode) {
268			/** @var BooleanValueNode $astNode */
269			return $astNode->getKind() === NodeKindEnum::BOOLEAN ? $astNode->getValue() : null;
270			},
271			]);
272			});
273
274			/**
275			* @param $value
276			* @return float
277			* @throws \TypeError
278			*/
279			function coerceFloat($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...
280			{
281			if ($value === '') {
282			throw new \TypeError('Float cannot represent non numeric value: (empty string)');
283			}
284
285			if (is_numeric($value) \|\| \is_bool($value)) {
286			return (float)$value;
287			}
288
289			throw new \TypeError(sprintf('Float cannot represent non numeric value: %s', $value));
290			}
291
292			$this->shared('GraphQLFloat', function () {
293			return GraphQLScalarType([
294			'name' => TypeNameEnum::FLOAT,
295			'description' =>
296			'The `Float` scalar type represents signed double-precision fractional ' .
297			'values as specified by ' .
298			'[IEEE 754](http://en.wikipedia.org/wiki/IEEE_floating_point).',
299			'serialize' => function ($value) {
300			return coerceFloat($value);
301			},
302			'parseValue' => function ($value) {
303			return coerceFloat($value);
304			},
305			'parseLiteral' => function (NodeInterface $astNode) {
306			/** @var FloatValueNode $astNode */
307			return in_array($astNode->getKind(), [NodeKindEnum::FLOAT, NodeKindEnum::INT], true)
308			? $astNode->getValue()
309			: null;
310			},
311			]);
312			});
313
314			/**
315			* @param $value
316			* @return int
317			* @throws \TypeError
318			*/
319			function coerceInt($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...
320			{
321			if ($value === '') {
322			throw new \TypeError('Int cannot represent non 32-bit signed integer value: (empty string)');
323			}
324
325			if (\is_bool($value)) {
326			$value = (int)$value;
327			}
328
329			if (!\is_int($value) \|\| $value > MAX_INT \|\| $value < MIN_INT) {
330			throw new \TypeError(sprintf('Int cannot represent non 32-bit signed integer value: %s', $value));
331			}
332
333			$intValue = (int)$value;
334			$floatValue = (float)$value;
335
336			if ($floatValue != $intValue \|\| floor($floatValue) !== $floatValue) {
337			throw new \TypeError(sprintf('Int cannot represent non-integer value: %s', $value));
338			}
339
340			return $intValue;
341			}
342
343			$this->shared('GraphQLInt', function () {
344			return GraphQLScalarType([
345			'name' => TypeNameEnum::INT,
346			'description' =>
347			'The `Int` scalar type represents non-fractional signed whole numeric ' .
348			'values. Int can represent values between -(2^31) and 2^31 - 1.',
349			'serialize' => function ($value) {
350			return coerceInt($value);
351			},
352			'parseValue' => function ($value) {
353			return coerceInt($value);
354			},
355			'parseLiteral' => function (NodeInterface $astNode) {
356			/** @var IntValueNode $astNode */
357			return $astNode->getKind() === NodeKindEnum::INT ? $astNode->getValue() : null;
358			},
359			]);
360			});
361
362			/**
363			* @param $value
364			* @return string
365			* @throws \TypeError
366			*/
367			function coerceString($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...
368			{
369			if ($value === null) {
370			return 'null';
371			}
372
373			if ($value === true) {
374			return 'true';
375			}
376
377			if ($value === false) {
378			return 'false';
379			}
380
381			if (!is_scalar($value)) {
382			throw new \TypeError('String cannot represent a non-scalar value');
383			}
384
385			return (string)$value;
386			}
387
388			$this->shared('GraphQLID', function () {
389			return GraphQLScalarType([
390			'name' => TypeNameEnum::ID,
391			'description' =>
392			'The `ID` scalar type represents a unique identifier, often used to ' .
393			'refetch an object or as key for a cache. The ID type appears in a JSON ' .
394			'response as a String; however, it is not intended to be human-readable. ' .
395			'When expected as an input type, any string (such as `"4"`) or integer ' .
396			'(such as `4`) input value will be accepted as an ID.',
397			'serialize' => function ($value) {
398			return coerceString($value);
399			},
400			'parseValue' => function ($value) {
401			return coerceString($value);
402			},
403			'parseLiteral' => function (NodeInterface $astNode) {
404			/** @var StringValueNode $astNode */
405			return in_array($astNode->getKind(), [NodeKindEnum::STRING, NodeKindEnum::INT], true)
406			? $astNode->getValue()
407			: null;
408			},
409			]);
410			});
411
412			$this->shared('GraphQLString', function () {
413			return GraphQLScalarType([
414			'name' => TypeNameEnum::STRING,
415			'description' =>
416			'The `String` scalar type represents textual data, represented as UTF-8 ' .
417			'character sequences. The String type is most often used by GraphQL to ' .
418			'represent free-form human-readable text.',
419			'serialize' => function ($value) {
420			return coerceString($value);
421			},
422			'parseValue' => function ($value) {
423			return coerceString($value);
424			},
425			'parseLiteral' => function (NodeInterface $astNode) {
426			/** @var StringValueNode $astNode */
427			return $astNode->getKind() === NodeKindEnum::STRING ? $astNode->getValue() : null;
428			},
429			]);
430			});
431			}
432
433			/**
434			* Registers the GraphQL directives with the container.
435			*/
436			protected function registerDirectives()
437			{
438			$this->shared('GraphQLIncludeDirective', function () {
439			return GraphQLDirective([
440			'name' => 'include',
441			'description' =>
442			'Directs the executor to include this field or fragment only when ' .
443			'the `if` argument is true.',
444			'locations' => [
445			DirectiveLocationEnum::FIELD,
446			DirectiveLocationEnum::FRAGMENT_SPREAD,
447			DirectiveLocationEnum::INLINE_FRAGMENT,
448			],
449			'args' => [
450			'if ' => [
451			'type' => GraphQLNonNull(GraphQLBoolean()),
452			'description' => 'Included when true.',
453			],
454			],
455			]);
456			});
457
458			$this->shared('GraphQLSkipDirective', function () {
459			return GraphQLDirective([
460			'name' => 'skip',
461			'description' =>
462			'Directs the executor to skip this field or fragment when the `if` ' .
463			'argument is true.',
464			'locations' => [
465			DirectiveLocationEnum::FIELD,
466			DirectiveLocationEnum::FRAGMENT_SPREAD,
467			DirectiveLocationEnum::INLINE_FRAGMENT,
468			],
469			'args' => [
470			'if' => [
471			'type' => GraphQLNonNull(GraphQLBoolean()),
472			'description' => 'Skipped when true.',
473			],
474			],
475			]);
476			});
477
478			$this->shared('GraphQLDeprecatedDirective', function () {
479			return GraphQLDirective([
480			'name' => 'deprecated',
481			'description' => 'Marks an element of a GraphQL schema as no longer supported.',
482			'locations' => [
483			DirectiveLocationEnum::FIELD_DEFINITION,
484			DirectiveLocationEnum::ENUM_VALUE,
485			],
486			'args' => [
487			'reason' => [
488			'type' => GraphQLString(),
489			'description' =>
490			'Explains why this element was deprecated, usually also including a ' .
491			'suggestion for how to access supported similar data. Formatted ' .
492			'in [Markdown](https://daringfireball.net/projects/markdown/).',
493			'defaultValue' => DEFAULT_DEPRECATION_REASON,
494			],
495			]
496			]);
497			});
498			}
499
500			/**
501			* @var array
502			*/
503			private static $supportedNodeBuilders = [
504			// Standard
505			ArgumentBuilder::class,
506			BooleanBuilder::class,
507			DirectiveBuilder::class,
508			DocumentBuilder::class,
509			EnumBuilder::class,
510			FieldBuilder::class,
511			FloatBuilder::class,
512			FragmentDefinitionBuilder::class,
513			FragmentSpreadBuilder::class,
514			InlineFragmentBuilder::class,
515			IntBuilder::class,
516			ListBuilder::class,
517			ListTypeBuilder::class,
518			NameBuilder::class,
519			NamedTypeBuilder::class,
520			NonNullTypeBuilder::class,
521			NullBuilder::class,
522			ObjectBuilder::class,
523			ObjectFieldBuilder::class,
524			OperationDefinitionBuilder::class,
525			SelectionSetBuilder::class,
526			StringBuilder::class,
527			VariableBuilder::class,
528			VariableDefinitionBuilder::class,
529			// Schema Definition Language (SDL)
530			SchemaDefinitionBuilder::class,
531			OperationTypeDefinitionBuilder::class,
532			FieldDefinitionBuilder::class,
533			ScalarTypeDefinitionBuilder::class,
534			ObjectTypeDefinitionBuilder::class,
535			InterfaceTypeDefinitionBuilder::class,
536			UnionTypeDefinitionBuilder::class,
537			EnumTypeDefinitionBuilder::class,
538			EnumValueDefinitionBuilder::class,
539			InputObjectTypeDefinitionBuilder::class,
540			InputValueDefinitionBuilder::class,
541			ScalarTypeExtensionBuilder::class,
542			ObjectTypeExtensionBuilder::class,
543			InterfaceTypeExtensionBuilder::class,
544			EnumTypeExtensionBuilder::class,
545			UnionTypeExtensionBuilder::class,
546			InputObjectTypeExtensionBuilder::class,
547			DirectiveDefinitionBuilder::class,
548			];
549
550			/**
551			* @var array
552			*/
553			private static $supportedSourceReaders = [
554			AmpReader::class,
555			AtReader::class,
556			BangReader::class,
557			BlockStringReader::class,
558			BraceReader::class,
559			BracketReader::class,
560			ColonReader::class,
561			CommentReader::class,
562			DollarReader::class,
563			EqualsReader::class,
564			NameReader::class,
565			NumberReader::class,
566			ParenthesisReader::class,
567			PipeReader::class,
568			SpreadReader::class,
569			StringReader::class,
570			];
571			}
572

digiaonline / graphql-php

Pull Request — master (#21)

GraphQLRuntime::shared() A

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