TypeInfo::extractTypes() - Code Metrics - webonyx/graphql-php - Measure and Improve Code Quality continuously with Scrutinizer

TypeInfo::extractTypes() D
last analyzed 2020-01-05 17:30 UTC

↳ Parent: TypeInfo

Complexity

Conditions	18
Paths	82

Size

Total Lines	72
Code Lines	42

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	35
CRAP Score	20.0848

Importance

Changes

Metric	Value
eloc	42
dl	0
loc	72
ccs	35
cts	43
cp	0.8139
rs	4.8666
c	0
b	0
f	0
cc	18
nc	82
nop	2
crap	20.0848

How to fix Long Method Complexity

<?php

declare(strict_types=1);

namespace GraphQL\Utils;

use GraphQL\Error\InvariantViolation;
use GraphQL\Language\AST\ArgumentNode;
use GraphQL\Language\AST\DirectiveNode;
use GraphQL\Language\AST\EnumValueNode;
use GraphQL\Language\AST\FieldNode;
use GraphQL\Language\AST\FragmentDefinitionNode;
use GraphQL\Language\AST\InlineFragmentNode;
use GraphQL\Language\AST\ListTypeNode;
use GraphQL\Language\AST\ListValueNode;
use GraphQL\Language\AST\NamedTypeNode;
use GraphQL\Language\AST\Node;
use GraphQL\Language\AST\NonNullTypeNode;
use GraphQL\Language\AST\ObjectFieldNode;
use GraphQL\Language\AST\OperationDefinitionNode;
use GraphQL\Language\AST\SelectionSetNode;
use GraphQL\Language\AST\VariableDefinitionNode;
use GraphQL\Type\Definition\CompositeType;
use GraphQL\Type\Definition\Directive;
use GraphQL\Type\Definition\EnumType;
use GraphQL\Type\Definition\FieldArgument;
use GraphQL\Type\Definition\FieldDefinition;
use GraphQL\Type\Definition\InputObjectType;
use GraphQL\Type\Definition\InputType;
use GraphQL\Type\Definition\InterfaceType;
use GraphQL\Type\Definition\ListOfType;
use GraphQL\Type\Definition\ObjectType;
use GraphQL\Type\Definition\OutputType;
use GraphQL\Type\Definition\Type;
use GraphQL\Type\Definition\UnionType;
use GraphQL\Type\Definition\WrappingType;
use GraphQL\Type\Introspection;
use GraphQL\Type\Schema;
use function array_map;
use function array_merge;
use function array_pop;
use function count;
use function is_array;
use function sprintf;

class TypeInfo
{
    /** @var Schema */
    private $schema;

    /** @var array<(OutputType&Type)|null> */
    private $typeStack;

    /** @var array<(CompositeType&Type)|null> */
    private $parentTypeStack;

    /** @var array<(InputType&Type)|null> */
    private $inputTypeStack;

    /** @var array<FieldDefinition> */
    private $fieldDefStack;

    /** @var array<mixed> */
    private $defaultValueStack;

    /** @var Directive|null */
    private $directive;

    /** @var FieldArgument|null */
    private $argument;

    /** @var mixed */
    private $enumValue;

    /**
     * @param Type|null $initialType
     */
    public function __construct(Schema $schema, $initialType = null)
    {
        $this->schema            = $schema;
        $this->typeStack         = [];
        $this->parentTypeStack   = [];
        $this->inputTypeStack    = [];
        $this->fieldDefStack     = [];
        $this->defaultValueStack = [];

        if ($initialType === null) {
            return;
        }

        if (Type::isInputType($initialType)) {
            $this->inputTypeStack[] = $initialType;
        }
        if (Type::isCompositeType($initialType)) {
            $this->parentTypeStack[] = $initialType;
        }
        if (! Type::isOutputType($initialType)) {
            return;
        }

        $this->typeStack[] = $initialType;
    }

    /**
     * @deprecated moved to GraphQL\Utils\TypeComparators
     *
     * @codeCoverageIgnore
     */
    public static function isEqualType(Type $typeA, Type $typeB) : bool
    {
        return TypeComparators::isEqualType($typeA, $typeB);
    }

    /**
     * @deprecated moved to GraphQL\Utils\TypeComparators
     *
     * @codeCoverageIgnore
     */
    public static function isTypeSubTypeOf(Schema $schema, Type $maybeSubType, Type $superType)
    {
        return TypeComparators::isTypeSubTypeOf($schema, $maybeSubType, $superType);
    }

    /**
     * @deprecated moved to GraphQL\Utils\TypeComparators
     *
     * @codeCoverageIgnore
     */
    public static function doTypesOverlap(Schema $schema, CompositeType $typeA, CompositeType $typeB)
    {
        return TypeComparators::doTypesOverlap($schema, $typeA, $typeB);
    }

    /**
     * Given root type scans through all fields to find nested types. Returns array where keys are for type name
     * and value contains corresponding type instance.
     *
     * Example output:
     * [
     *     'String' => $instanceOfStringType,
     *     'MyType' => $instanceOfMyType,
     *     ...
     * ]
     *
     * @param Type|null   $type
     * @param Type[]|null $typeMap
     *
     * @return Type[]|null
     */
    public static function extractTypes($type, ?array $typeMap = null)
    {
        if (! $typeMap) {
            $typeMap = [];
        }
        if (! $type) {
            return $typeMap;
        }

        if ($type instanceof WrappingType) {
            return self::extractTypes($type->getWrappedType(true), $typeMap);
        }
        if (! $type instanceof Type) {

            // Preserve these invalid types in map (at numeric index) to make them
            // detectable during $schema->validate()
            $i            = 0;
            $alreadyInMap = false;
            while (isset($typeMap[$i])) {
                $alreadyInMap = $alreadyInMap || $typeMap[$i] === $type;
                $i++;
            }
            if (! $alreadyInMap) {
                $typeMap[$i] = $type;
            }

            return $typeMap;
        }

        if (! empty($typeMap[$type->name])) {
            Utils::invariant(
                $typeMap[$type->name] === $type,
                sprintf('Schema must contain unique named types but contains multiple types named "%s" ', $type) .
                '(see http://webonyx.github.io/graphql-php/type-system/#type-registry).'
            );

            return $typeMap;
        }
        $typeMap[$type->name] = $type;

        $nestedTypes = [];

        if ($type instanceof UnionType) {
            $nestedTypes = $type->getTypes();
        }
        if ($type instanceof ObjectType) {
            $nestedTypes = array_merge($nestedTypes, $type->getInterfaces());
        }
        if ($type instanceof ObjectType || $type instanceof InterfaceType) {
            foreach ($type->getFields() as $fieldName => $field) {
                if (! empty($field->args)) {
                    $fieldArgTypes = array_map(
                        static function (FieldArgument $arg) {
                            return $arg->getType();
                        },
                        $field->args
                    );

                    $nestedTypes = array_merge($nestedTypes, $fieldArgTypes);
                }
                $nestedTypes[] = $field->getType();
            }
        }
        if ($type instanceof InputObjectType) {
            foreach ($type->getFields() as $fieldName => $field) {
                $nestedTypes[] = $field->getType();
            }
        }
        foreach ($nestedTypes as $nestedType) {
            $typeMap = self::extractTypes($nestedType, $typeMap);
        }

        return $typeMap;
    }

    /**
     * @param Type[] $typeMap
     *
     * @return Type[]
     */
    public static function extractTypesFromDirectives(Directive $directive, array $typeMap = [])
    {
        if (is_array($directive->args)) {

            foreach ($directive->args as $arg) {
                $typeMap = self::extractTypes($arg->getType(), $typeMap);
            }
        }

        return $typeMap;
    }

    public function getParentInputType() : ?InputType
    {
        return $this->inputTypeStack[count($this->inputTypeStack) - 2] ?? null;
    }

    public function getArgument() : ?FieldArgument
    {
        return $this->argument;
    }

    /**
     * @return mixed
     */
    public function getEnumValue()
    {
        return $this->enumValue;
    }

    public function enter(Node $node)
    {
        $schema = $this->schema;

        // Note: many of the types below are explicitly typed as "mixed" to drop
        // any assumptions of a valid schema to ensure runtime types are properly
        // checked before continuing since TypeInfo is used as part of validation
        // which occurs before guarantees of schema and document validity.
        switch (true) {
            case $node instanceof SelectionSetNode:
                $namedType               = Type::getNamedType($this->getType());
                $this->parentTypeStack[] = Type::isCompositeType($namedType) ? $namedType : null;
                break;

            case $node instanceof FieldNode:
                $parentType = $this->getParentType();
                $fieldDef   = null;
                if ($parentType) {
                    $fieldDef = self::getFieldDefinition($schema, $parentType, $node);
                }
                $fieldType = null;
                if ($fieldDef) {
                    $fieldType = $fieldDef->getType();
                }
                $this->fieldDefStack[] = $fieldDef;
                $this->typeStack[]     = Type::isOutputType($fieldType) ? $fieldType : null;
                break;

            case $node instanceof DirectiveNode:
                $this->directive = $schema->getDirective($node->name->value);
                break;

            case $node instanceof OperationDefinitionNode:
                $type = null;
                if ($node->operation === 'query') {
                    $type = $schema->getQueryType();
                } elseif ($node->operation === 'mutation') {
                    $type = $schema->getMutationType();
                } elseif ($node->operation === 'subscription') {
                    $type = $schema->getSubscriptionType();
                }
                $this->typeStack[] = Type::isOutputType($type) ? $type : null;
                break;

            case $node instanceof InlineFragmentNode:
            case $node instanceof FragmentDefinitionNode:
                $typeConditionNode = $node->typeCondition;
                $outputType        = $typeConditionNode
                    ? self::typeFromAST(
                        $schema,
                        $typeConditionNode
                    )
                    : Type::getNamedType($this->getType());
                $this->typeStack[] = Type::isOutputType($outputType) ? $outputType : null;
                break;

            case $node instanceof VariableDefinitionNode:
                $inputType              = self::typeFromAST($schema, $node->type);
                $this->inputTypeStack[] = Type::isInputType($inputType) ? $inputType : null; // push
                break;

            case $node instanceof ArgumentNode:
                $fieldOrDirective = $this->getDirective() ?: $this->getFieldDef();
                $argDef           = $argType = null;
                if ($fieldOrDirective) {
                    /** @var FieldArgument $argDef */
                    $argDef = Utils::find(
                        $fieldOrDirective->args,
                        static function ($arg) use ($node) {
                            return $arg->name === $node->name->value;
                        }
                    );
                    if ($argDef !== null) {
                        $argType = $argDef->getType();
                    }
                }
                $this->argument            = $argDef;
                $this->defaultValueStack[] = $argDef && $argDef->defaultValueExists() ? $argDef->defaultValue : Utils::undefined();
                $this->inputTypeStack[]    = Type::isInputType($argType) ? $argType : null;
                break;

            case $node instanceof ListValueNode:
                $type     = $this->getInputType();
                $listType = $type === null ? null : Type::getNullableType($type);
                $itemType = $listType instanceof ListOfType
                    ? $listType->getWrappedType()
                    : $listType;
                // List positions never have a default value.
                $this->defaultValueStack[] = Utils::undefined();
                $this->inputTypeStack[]    = Type::isInputType($itemType) ? $itemType : null;
                break;

            case $node instanceof ObjectFieldNode:
                $objectType     = Type::getNamedType($this->getInputType());
                $fieldType      = null;

                $inputField     = null;
                $inputFieldType = null;
                if ($objectType instanceof InputObjectType) {
                    $tmp            = $objectType->getFields();
                    $inputField     = $tmp[$node->name->value] ?? null;
                    $inputFieldType = $inputField ? $inputField->getType() : null;
                }
                $this->defaultValueStack[] = $inputField && $inputField->defaultValueExists() ? $inputField->defaultValue : Utils::undefined();
                $this->inputTypeStack[]    = Type::isInputType($inputFieldType) ? $inputFieldType : null;
                break;

            case $node instanceof EnumValueNode:
                $enumType  = Type::getNamedType($this->getInputType());
                $enumValue = null;
                if ($enumType instanceof EnumType) {
                    $this->enumValue = $enumType->getValue($node->value);
                }
                $this->enumValue = $enumValue;
                break;
        }
    }

    /**
     * @return (Type & OutputType) | null

     */
    public function getType() : ?OutputType
    {
        return $this->typeStack[count($this->typeStack) - 1] ?? null;
    }

    /**
     * @return (CompositeType & Type) | null

     */
    public function getParentType() : ?CompositeType
    {
        return $this->parentTypeStack[count($this->parentTypeStack) - 1] ?? null;
    }

    /**
     * Not exactly the same as the executor's definition of getFieldDef, in this
     * statically evaluated environment we do not always have an Object type,
     * and need to handle Interface and Union types.
     */
    private static function getFieldDefinition(Schema $schema, Type $parentType, FieldNode $fieldNode) : ?FieldDefinition
    {
        $name       = $fieldNode->name->value;
        $schemaMeta = Introspection::schemaMetaFieldDef();
        if ($name === $schemaMeta->name && $schema->getQueryType() === $parentType) {

            return $schemaMeta;
        }

        $typeMeta = Introspection::typeMetaFieldDef();
        if ($name === $typeMeta->name && $schema->getQueryType() === $parentType) {

            return $typeMeta;
        }
        $typeNameMeta = Introspection::typeNameMetaFieldDef();
        if ($name === $typeNameMeta->name && $parentType instanceof CompositeType) {
            return $typeNameMeta;
        }
        if ($parentType instanceof ObjectType ||
            $parentType instanceof InterfaceType) {
            $fields = $parentType->getFields();

            return $fields[$name] ?? null;
        }

        return null;
    }

    /**
     * @param NamedTypeNode|ListTypeNode|NonNullTypeNode $inputTypeNode
     *
     * @throws InvariantViolation
     */
    public static function typeFromAST(Schema $schema, $inputTypeNode) : ?Type
    {
        return AST::typeFromAST($schema, $inputTypeNode);
    }

    public function getDirective() : ?Directive
    {
        return $this->directive;
    }

    public function getFieldDef() : ?FieldDefinition
    {
        return $this->fieldDefStack[count($this->fieldDefStack) - 1] ?? null;
    }

    /**
     * @return mixed|null
     */
    public function getDefaultValue()
    {
        return $this->defaultValueStack[count($this->defaultValueStack) - 1] ?? null;
    }

    /**
     * @return (Type & InputType) | null

     */
    public function getInputType() : ?InputType
    {
        return $this->inputTypeStack[count($this->inputTypeStack) - 1] ?? null;
    }

    public function leave(Node $node)
    {
        switch (true) {
            case $node instanceof SelectionSetNode:
                array_pop($this->parentTypeStack);
                break;

            case $node instanceof FieldNode:
                array_pop($this->fieldDefStack);
                array_pop($this->typeStack);
                break;

            case $node instanceof DirectiveNode:
                $this->directive = null;
                break;

            case $node instanceof OperationDefinitionNode:
            case $node instanceof InlineFragmentNode:
            case $node instanceof FragmentDefinitionNode:
                array_pop($this->typeStack);
                break;
            case $node instanceof VariableDefinitionNode:
                array_pop($this->inputTypeStack);
                break;
            case $node instanceof ArgumentNode:
                $this->argument = null;
                array_pop($this->defaultValueStack);
                array_pop($this->inputTypeStack);
                break;
            case $node instanceof ListValueNode:
            case $node instanceof ObjectFieldNode:
                array_pop($this->defaultValueStack);
                array_pop($this->inputTypeStack);
                break;
            case $node instanceof EnumValueNode:
                $this->enumValue = null;
                break;
        }
    }
}


1		<?php
2
3		declare(strict_types=1);
4
5		namespace GraphQL\Utils;
6
7		use GraphQL\Error\InvariantViolation;
8		use GraphQL\Language\AST\ArgumentNode;
9		use GraphQL\Language\AST\DirectiveNode;
10		use GraphQL\Language\AST\EnumValueNode;
11		use GraphQL\Language\AST\FieldNode;
12		use GraphQL\Language\AST\FragmentDefinitionNode;
13		use GraphQL\Language\AST\InlineFragmentNode;
14		use GraphQL\Language\AST\ListTypeNode;
15		use GraphQL\Language\AST\ListValueNode;
16		use GraphQL\Language\AST\NamedTypeNode;
17		use GraphQL\Language\AST\Node;
18		use GraphQL\Language\AST\NonNullTypeNode;
19		use GraphQL\Language\AST\ObjectFieldNode;
20		use GraphQL\Language\AST\OperationDefinitionNode;
21		use GraphQL\Language\AST\SelectionSetNode;
22		use GraphQL\Language\AST\VariableDefinitionNode;
23		use GraphQL\Type\Definition\CompositeType;
24		use GraphQL\Type\Definition\Directive;
25		use GraphQL\Type\Definition\EnumType;
26		use GraphQL\Type\Definition\FieldArgument;
27		use GraphQL\Type\Definition\FieldDefinition;
28		use GraphQL\Type\Definition\InputObjectType;
29		use GraphQL\Type\Definition\InputType;
30		use GraphQL\Type\Definition\InterfaceType;
31		use GraphQL\Type\Definition\ListOfType;
32		use GraphQL\Type\Definition\ObjectType;
33		use GraphQL\Type\Definition\OutputType;
34		use GraphQL\Type\Definition\Type;
35		use GraphQL\Type\Definition\UnionType;
36		use GraphQL\Type\Definition\WrappingType;
37		use GraphQL\Type\Introspection;
38		use GraphQL\Type\Schema;
39		use function array_map;
40		use function array_merge;
41		use function array_pop;
42		use function count;
43		use function is_array;
44		use function sprintf;
45
46		class TypeInfo
47		{
48		/** @var Schema */
49		private $schema;
50
51		/** @var array<(OutputType&Type)\|null> */
52		private $typeStack;
53
54		/** @var array<(CompositeType&Type)\|null> */
55		private $parentTypeStack;
56
57		/** @var array<(InputType&Type)\|null> */
58		private $inputTypeStack;
59
60		/** @var array<FieldDefinition> */
61		private $fieldDefStack;
62
63		/** @var array<mixed> */
64		private $defaultValueStack;
65
66		/** @var Directive\|null */
67		private $directive;
68
69		/** @var FieldArgument\|null */
70		private $argument;
71
72		/** @var mixed */
73		private $enumValue;
74
75		/**
76		* @param Type\|null $initialType
77		*/
78	535	public function __construct(Schema $schema, $initialType = null)
79		{
80	535	$this->schema = $schema;
81	535	$this->typeStack = [];
82	535	$this->parentTypeStack = [];
83	535	$this->inputTypeStack = [];
84	535	$this->fieldDefStack = [];
85	535	$this->defaultValueStack = [];
86
87	535	if ($initialType === null) {
88	533	return;
89		}
90
91	2	if (Type::isInputType($initialType)) {
92	2	$this->inputTypeStack[] = $initialType;
93		}
94	2	if (Type::isCompositeType($initialType)) {
95		$this->parentTypeStack[] = $initialType;
96		}
97	2	if (! Type::isOutputType($initialType)) {
98		return;
99		}
100
101	2	$this->typeStack[] = $initialType;
102	2	}
103
104		/**
105		* @deprecated moved to GraphQL\Utils\TypeComparators
106		*
107		* @codeCoverageIgnore
108		*/
109		public static function isEqualType(Type $typeA, Type $typeB) : bool
110		{
111		return TypeComparators::isEqualType($typeA, $typeB);
112		}
113
114		/**
115		* @deprecated moved to GraphQL\Utils\TypeComparators
116		*
117		* @codeCoverageIgnore
118		*/
119		public static function isTypeSubTypeOf(Schema $schema, Type $maybeSubType, Type $superType)
120		{
121		return TypeComparators::isTypeSubTypeOf($schema, $maybeSubType, $superType);
122		}
123
124		/**
125		* @deprecated moved to GraphQL\Utils\TypeComparators
126		*
127		* @codeCoverageIgnore
128		*/
129		public static function doTypesOverlap(Schema $schema, CompositeType $typeA, CompositeType $typeB)
130		{
131		return TypeComparators::doTypesOverlap($schema, $typeA, $typeB);
132		}
133
134		/**
135		* Given root type scans through all fields to find nested types. Returns array where keys are for type name
136		* and value contains corresponding type instance.
137		*
138		* Example output:
139		* [
140		* 'String' => $instanceOfStringType,
141		* 'MyType' => $instanceOfMyType,
142		* ...
143		* ]
144		*
145		* @param Type\|null $type
146		* @param Type[]\|null $typeMap
147		*
148		* @return Type[]\|null
149		*/
150	857	public static function extractTypes($type, ?array $typeMap = null)
151		{
152	857	if (! $typeMap) {
153	857	$typeMap = [];
154		}
155	857	if (! $type) {
156	1	return $typeMap;
157		}
158
159	857	if ($type instanceof WrappingType) {
160	849	return self::extractTypes($type->getWrappedType(true), $typeMap);
161		}
162	857	if (! $type instanceof Type) {
		0 ignored issues – show introduced 2018-11-22 15:29 UTC by Report Bug Copy Issue Report `$type` is always a sub-type of `GraphQL\Type\Definition\Type`. Loading history...
163		// Preserve these invalid types in map (at numeric index) to make them
164		// detectable during $schema->validate()
165		$i = 0;
166		$alreadyInMap = false;
167		while (isset($typeMap[$i])) {
168		$alreadyInMap = $alreadyInMap \|\| $typeMap[$i] === $type;
169		$i++;
170		}
171		if (! $alreadyInMap) {
172		$typeMap[$i] = $type;
173		}
174
175		return $typeMap;
176		}
177
178	857	if (! empty($typeMap[$type->name])) {
179	852	Utils::invariant(
180	852	$typeMap[$type->name] === $type,
181	852	sprintf('Schema must contain unique named types but contains multiple types named "%s" ', $type) .
182	852	'(see http://webonyx.github.io/graphql-php/type-system/#type-registry).'
183		);
184
185	849	return $typeMap;
186		}
187	857	$typeMap[$type->name] = $type;
188
189	857	$nestedTypes = [];
190
191	857	if ($type instanceof UnionType) {
192	446	$nestedTypes = $type->getTypes();
193		}
194	857	if ($type instanceof ObjectType) {
195	857	$nestedTypes = array_merge($nestedTypes, $type->getInterfaces());
196		}
197	856	if ($type instanceof ObjectType \|\| $type instanceof InterfaceType) {
198	856	foreach ($type->getFields() as $fieldName => $field) {
199	855	if (! empty($field->args)) {
200	848	$fieldArgTypes = array_map(
201		static function (FieldArgument $arg) {
202	848	return $arg->getType();
203	848	},
204	848	$field->args
205		);
206
207	848	$nestedTypes = array_merge($nestedTypes, $fieldArgTypes);
208		}
209	855	$nestedTypes[] = $field->getType();
210		}
211		}
212	855	if ($type instanceof InputObjectType) {
213	481	foreach ($type->getFields() as $fieldName => $field) {
214	480	$nestedTypes[] = $field->getType();
215		}
216		}
217	855	foreach ($nestedTypes as $nestedType) {
218	855	$typeMap = self::extractTypes($nestedType, $typeMap);
219		}
220
221	852	return $typeMap;
222		}
223
224		/**
225		* @param Type[] $typeMap
226		*
227		* @return Type[]
228		*/
229	846	public static function extractTypesFromDirectives(Directive $directive, array $typeMap = [])
230		{
231	846	if (is_array($directive->args)) {
		0 ignored issues – show introduced 2018-10-22 19:29 UTC by Report Bug Copy Issue Report The condition `is_array($directive->args)` is always `true`. Loading history...
232	846	foreach ($directive->args as $arg) {
233	845	$typeMap = self::extractTypes($arg->getType(), $typeMap);
234		}
235		}
236
237	846	return $typeMap;
238		}
239
240	19	public function getParentInputType() : ?InputType
241		{
242	19	return $this->inputTypeStack[count($this->inputTypeStack) - 2] ?? null;
243		}
244
245	107	public function getArgument() : ?FieldArgument
246		{
247	107	return $this->argument;
248		}
249
250		/**
251		* @return mixed
252		*/
253		public function getEnumValue()
254		{
255		return $this->enumValue;
256		}
257
258	535	public function enter(Node $node)
259		{
260	535	$schema = $this->schema;
261
262		// Note: many of the types below are explicitly typed as "mixed" to drop
263		// any assumptions of a valid schema to ensure runtime types are properly
264		// checked before continuing since TypeInfo is used as part of validation
265		// which occurs before guarantees of schema and document validity.
266		switch (true) {
267	535	case $node instanceof SelectionSetNode:
268	533	$namedType = Type::getNamedType($this->getType());
269	533	$this->parentTypeStack[] = Type::isCompositeType($namedType) ? $namedType : null;
270	533	break;
271
272	535	case $node instanceof FieldNode:
273	523	$parentType = $this->getParentType();
274	523	$fieldDef = null;
275	523	if ($parentType) {
276	476	$fieldDef = self::getFieldDefinition($schema, $parentType, $node);
277		}
278	523	$fieldType = null;
279	523	if ($fieldDef) {
280	401	$fieldType = $fieldDef->getType();
281		}
282	523	$this->fieldDefStack[] = $fieldDef;
283	523	$this->typeStack[] = Type::isOutputType($fieldType) ? $fieldType : null;
284	523	break;
285
286	535	case $node instanceof DirectiveNode:
287	46	$this->directive = $schema->getDirective($node->name->value);
288	46	break;
289
290	535	case $node instanceof OperationDefinitionNode:
291	421	$type = null;
292	421	if ($node->operation === 'query') {
293	419	$type = $schema->getQueryType();
294	9	} elseif ($node->operation === 'mutation') {
295	6	$type = $schema->getMutationType();
296	4	} elseif ($node->operation === 'subscription') {
297	4	$type = $schema->getSubscriptionType();
298		}
299	421	$this->typeStack[] = Type::isOutputType($type) ? $type : null;
300	421	break;
301
302	535	case $node instanceof InlineFragmentNode:
303	535	case $node instanceof FragmentDefinitionNode:
304	231	$typeConditionNode = $node->typeCondition;
305	231	$outputType = $typeConditionNode
306	229	? self::typeFromAST(
307	229	$schema,
308	229	$typeConditionNode
309		)
310	231	: Type::getNamedType($this->getType());
311	231	$this->typeStack[] = Type::isOutputType($outputType) ? $outputType : null;
312	231	break;
313
314	535	case $node instanceof VariableDefinitionNode:
315	87	$inputType = self::typeFromAST($schema, $node->type);
316	87	$this->inputTypeStack[] = Type::isInputType($inputType) ? $inputType : null; // push
317	87	break;
318
319	535	case $node instanceof ArgumentNode:
320	267	$fieldOrDirective = $this->getDirective() ?: $this->getFieldDef();
321	267	$argDef = $argType = null;
322	267	if ($fieldOrDirective) {
323		/** @var FieldArgument $argDef */
324	215	$argDef = Utils::find(
325	215	$fieldOrDirective->args,
326		static function ($arg) use ($node) {
327	214	return $arg->name === $node->name->value;
328	215	}
329		);
330	215	if ($argDef !== null) {
331	206	$argType = $argDef->getType();
332		}
333		}
334	267	$this->argument = $argDef;
335	267	$this->defaultValueStack[] = $argDef && $argDef->defaultValueExists() ? $argDef->defaultValue : Utils::undefined();
336	267	$this->inputTypeStack[] = Type::isInputType($argType) ? $argType : null;
337	267	break;
338
339	535	case $node instanceof ListValueNode:
340	10	$type = $this->getInputType();
341	10	$listType = $type === null ? null : Type::getNullableType($type);
342	10	$itemType = $listType instanceof ListOfType
343	9	? $listType->getWrappedType()
344	10	: $listType;
345		// List positions never have a default value.
346	10	$this->defaultValueStack[] = Utils::undefined();
347	10	$this->inputTypeStack[] = Type::isInputType($itemType) ? $itemType : null;
348	10	break;
349
350	535	case $node instanceof ObjectFieldNode:
351	23	$objectType = Type::getNamedType($this->getInputType());
352	23	$fieldType = null;
		0 ignored issues – show Unused Code introduced 2018-06-19 12:00 UTC by Report Bug Copy Issue Report The assignment to `$fieldType` is dead and can be removed. Loading history...
353	23	$inputField = null;
354	23	$inputFieldType = null;
355	23	if ($objectType instanceof InputObjectType) {
356	15	$tmp = $objectType->getFields();
357	15	$inputField = $tmp[$node->name->value] ?? null;
358	15	$inputFieldType = $inputField ? $inputField->getType() : null;
359		}
360	23	$this->defaultValueStack[] = $inputField && $inputField->defaultValueExists() ? $inputField->defaultValue : Utils::undefined();
361	23	$this->inputTypeStack[] = Type::isInputType($inputFieldType) ? $inputFieldType : null;
362	23	break;
363
364	535	case $node instanceof EnumValueNode:
365	32	$enumType = Type::getNamedType($this->getInputType());
366	32	$enumValue = null;
367	32	if ($enumType instanceof EnumType) {
368	23	$this->enumValue = $enumType->getValue($node->value);
369		}
370	32	$this->enumValue = $enumValue;
371	32	break;
372		}
373	535	}
374
375		/**
376		* @return (Type & OutputType) \| null
		0 ignored issues – show Documentation Bug introduced 2019-10-28 02:57 UTC by Report Bug Copy Issue Report The doc comment `(Type` at position `1` could not be parsed: Expected ')' at position 1, but found 'Type'. Loading history...
377		*/
378	533	public function getType() : ?OutputType
379		{
380	533	return $this->typeStack[count($this->typeStack) - 1] ?? null;
381		}
382
383		/**
384		* @return (CompositeType & Type) \| null
		0 ignored issues – show Documentation Bug introduced 2019-10-28 02:57 UTC by Report Bug Copy Issue Report The doc comment `(CompositeType` at position `1` could not be parsed: Expected ')' at position 1, but found 'CompositeType'. Loading history...
385		*/
386	523	public function getParentType() : ?CompositeType
387		{
388	523	return $this->parentTypeStack[count($this->parentTypeStack) - 1] ?? null;
389		}
390
391		/**
392		* Not exactly the same as the executor's definition of getFieldDef, in this
393		* statically evaluated environment we do not always have an Object type,
394		* and need to handle Interface and Union types.
395		*/
396	476	private static function getFieldDefinition(Schema $schema, Type $parentType, FieldNode $fieldNode) : ?FieldDefinition
397		{
398	476	$name = $fieldNode->name->value;
399	476	$schemaMeta = Introspection::schemaMetaFieldDef();
400	476	if ($name === $schemaMeta->name && $schema->getQueryType() === $parentType) {
		0 ignored issues – show introduced 2018-10-22 19:29 UTC by Report Bug Copy Issue Report The condition `$schema->getQueryType() === $parentType` is always `false`. Loading history...
401	9	return $schemaMeta;
402		}
403
404	476	$typeMeta = Introspection::typeMetaFieldDef();
405	476	if ($name === $typeMeta->name && $schema->getQueryType() === $parentType) {
		0 ignored issues – show introduced 2018-10-22 19:29 UTC by Report Bug Copy Issue Report The condition `$schema->getQueryType() === $parentType` is always `false`. Loading history...
406	21	return $typeMeta;
407		}
408	476	$typeNameMeta = Introspection::typeNameMetaFieldDef();
409	476	if ($name === $typeNameMeta->name && $parentType instanceof CompositeType) {
410	18	return $typeNameMeta;
411		}
412	466	if ($parentType instanceof ObjectType \|\|
413	466	$parentType instanceof InterfaceType) {
414	464	$fields = $parentType->getFields();
415
416	464	return $fields[$name] ?? null;
417		}
418
419	2	return null;
420		}
421
422		/**
423		* @param NamedTypeNode\|ListTypeNode\|NonNullTypeNode $inputTypeNode
424		*
425		* @throws InvariantViolation
426		*/
427	349	public static function typeFromAST(Schema $schema, $inputTypeNode) : ?Type
428		{
429	349	return AST::typeFromAST($schema, $inputTypeNode);
430		}
431
432	269	public function getDirective() : ?Directive
433		{
434	269	return $this->directive;
435		}
436
437	337	public function getFieldDef() : ?FieldDefinition
438		{
439	337	return $this->fieldDefStack[count($this->fieldDefStack) - 1] ?? null;
440		}
441
442		/**
443		* @return mixed\|null
444		*/
445	64	public function getDefaultValue()
446		{
447	64	return $this->defaultValueStack[count($this->defaultValueStack) - 1] ?? null;
448		}
449
450		/**
451		* @return (Type & InputType) \| null
		0 ignored issues – show Documentation Bug introduced 2019-10-28 02:57 UTC by Report Bug Copy Issue Report The doc comment `(Type` at position `1` could not be parsed: Expected ')' at position 1, but found 'Type'. Loading history...
452		*/
453	205	public function getInputType() : ?InputType
454		{
455	205	return $this->inputTypeStack[count($this->inputTypeStack) - 1] ?? null;
456		}
457
458	535	public function leave(Node $node)
459		{
460		switch (true) {
461	535	case $node instanceof SelectionSetNode:
462	533	array_pop($this->parentTypeStack);
463	533	break;
464
465	535	case $node instanceof FieldNode:
466	523	array_pop($this->fieldDefStack);
467	523	array_pop($this->typeStack);
468	523	break;
469
470	535	case $node instanceof DirectiveNode:
471	46	$this->directive = null;
472	46	break;
473
474	535	case $node instanceof OperationDefinitionNode:
475	535	case $node instanceof InlineFragmentNode:
476	535	case $node instanceof FragmentDefinitionNode:
477	533	array_pop($this->typeStack);
478	533	break;
479	535	case $node instanceof VariableDefinitionNode:
480	87	array_pop($this->inputTypeStack);
481	87	break;
482	535	case $node instanceof ArgumentNode:
483	267	$this->argument = null;
484	267	array_pop($this->defaultValueStack);
485	267	array_pop($this->inputTypeStack);
486	267	break;
487	535	case $node instanceof ListValueNode:
488	535	case $node instanceof ObjectFieldNode:
489	29	array_pop($this->defaultValueStack);
490	29	array_pop($this->inputTypeStack);
491	29	break;
492	535	case $node instanceof EnumValueNode:
493	32	$this->enumValue = null;
494	32	break;
495		}
496	535	}
497		}
498

webonyx / graphql-php

TypeInfo::extractTypes() D last analyzed 2020-01-05 17:30 UTC

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TypeInfo::extractTypes() D
last analyzed 2020-01-05 17:30 UTC