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

KnownDirectives::getVisitor() A
last analyzed 2020-01-05 17:30 UTC

↳ Parent: KnownDirectives

Complexity

Conditions	1
Paths	1

Size

Total Lines	3
Code Lines	1

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	2
CRAP Score	1

Importance

Changes	4
Bugs	0	Features	0

Metric	Value
eloc	1
c	4
b	0
f	0
dl	0
loc	3
ccs	2
cts	2
cp	1
rs	10
cc	1
nc	1
nop	1
crap	1

<?php

declare(strict_types=1);

namespace GraphQL\Validator\Rules;

use Exception;
use GraphQL\Error\Error;
use GraphQL\Language\AST\DirectiveDefinitionNode;
use GraphQL\Language\AST\DirectiveNode;
use GraphQL\Language\AST\EnumTypeDefinitionNode;
use GraphQL\Language\AST\EnumTypeExtensionNode;
use GraphQL\Language\AST\EnumValueDefinitionNode;
use GraphQL\Language\AST\FieldDefinitionNode;
use GraphQL\Language\AST\FieldNode;
use GraphQL\Language\AST\FragmentDefinitionNode;
use GraphQL\Language\AST\FragmentSpreadNode;
use GraphQL\Language\AST\InlineFragmentNode;
use GraphQL\Language\AST\InputObjectTypeDefinitionNode;
use GraphQL\Language\AST\InputObjectTypeExtensionNode;
use GraphQL\Language\AST\InputValueDefinitionNode;
use GraphQL\Language\AST\InterfaceTypeDefinitionNode;
use GraphQL\Language\AST\InterfaceTypeExtensionNode;
use GraphQL\Language\AST\Node;
use GraphQL\Language\AST\NodeKind;
use GraphQL\Language\AST\NodeList;
use GraphQL\Language\AST\ObjectTypeDefinitionNode;
use GraphQL\Language\AST\ObjectTypeExtensionNode;
use GraphQL\Language\AST\OperationDefinitionNode;
use GraphQL\Language\AST\ScalarTypeDefinitionNode;
use GraphQL\Language\AST\ScalarTypeExtensionNode;
use GraphQL\Language\AST\SchemaDefinitionNode;
use GraphQL\Language\AST\SchemaTypeExtensionNode;
use GraphQL\Language\AST\UnionTypeDefinitionNode;
use GraphQL\Language\AST\UnionTypeExtensionNode;
use GraphQL\Language\AST\VariableDefinitionNode;
use GraphQL\Language\DirectiveLocation;
use GraphQL\Type\Definition\Directive;
use GraphQL\Validator\ASTValidationContext;
use GraphQL\Validator\SDLValidationContext;
use GraphQL\Validator\ValidationContext;
use function array_map;
use function count;
use function get_class;
use function in_array;
use function sprintf;

class KnownDirectives extends ValidationRule
{
    public function getVisitor(ValidationContext $context)
    {
        return $this->getASTVisitor($context);
    }

    public function getSDLVisitor(SDLValidationContext $context)
    {
        return $this->getASTVisitor($context);
    }

    public function getASTVisitor(ASTValidationContext $context)
    {
        $locationsMap      = [];
        $schema            = $context->getSchema();
        $definedDirectives = $schema

            ? $schema->getDirectives()
            : Directive::getInternalDirectives();

        foreach ($definedDirectives as $directive) {
            $locationsMap[$directive->name] = $directive->locations;
        }

        $astDefinition = $context->getDocument()->definitions;

        foreach ($astDefinition as $def) {
            if (! ($def instanceof DirectiveDefinitionNode)) {
                continue;
            }

            $locationsMap[$def->name->value] = array_map(
                static function ($name) {
                    return $name->value;
                },
                $def->locations
            );
        }

        return [
            NodeKind::DIRECTIVE => function (
                DirectiveNode $node,
                $key,
                $parent,
                $path,
                $ancestors
            ) use (
                $context,
                $locationsMap
            ) {
                $name      = $node->name->value;
                $locations = $locationsMap[$name] ?? null;

                if (! $locations) {
                    $context->reportError(new Error(
                        self::unknownDirectiveMessage($name),
                        [$node]
                    ));

                    return;
                }

                $candidateLocation = $this->getDirectiveLocationForASTPath($ancestors);

                if (! $candidateLocation || in_array($candidateLocation, $locations, true)) {
                    return;
                }
                $context->reportError(
                    new Error(
                        self::misplacedDirectiveMessage($name, $candidateLocation),
                        [$node]
                    )
                );
            },
        ];
    }

    public static function unknownDirectiveMessage($directiveName)
    {
        return sprintf('Unknown directive "%s".', $directiveName);
    }

    /**
     * @param Node[]|NodeList[] $ancestors The type is actually (Node|NodeList)[] but this PSR-5 syntax is so far not supported by most of the tools
     *
     * @return string
     */
    private function getDirectiveLocationForASTPath(array $ancestors)
    {
        $appliedTo = $ancestors[count($ancestors) - 1];
        switch (true) {
            case $appliedTo instanceof OperationDefinitionNode:
                switch ($appliedTo->operation) {
                    case 'query':
                        return DirectiveLocation::QUERY;
                    case 'mutation':
                        return DirectiveLocation::MUTATION;
                    case 'subscription':
                        return DirectiveLocation::SUBSCRIPTION;
                }
                break;
            case $appliedTo instanceof FieldNode:
                return DirectiveLocation::FIELD;
            case $appliedTo instanceof FragmentSpreadNode:
                return DirectiveLocation::FRAGMENT_SPREAD;
            case $appliedTo instanceof InlineFragmentNode:
                return DirectiveLocation::INLINE_FRAGMENT;
            case $appliedTo instanceof FragmentDefinitionNode:
                return DirectiveLocation::FRAGMENT_DEFINITION;
            case $appliedTo instanceof VariableDefinitionNode:
                return DirectiveLocation::VARIABLE_DEFINITION;
            case $appliedTo instanceof SchemaDefinitionNode:
            case $appliedTo instanceof SchemaTypeExtensionNode:
                return DirectiveLocation::SCHEMA;
            case $appliedTo instanceof ScalarTypeDefinitionNode:
            case $appliedTo instanceof ScalarTypeExtensionNode:
                return DirectiveLocation::SCALAR;
            case $appliedTo instanceof ObjectTypeDefinitionNode:
            case $appliedTo instanceof ObjectTypeExtensionNode:
                return DirectiveLocation::OBJECT;
            case $appliedTo instanceof FieldDefinitionNode:
                return DirectiveLocation::FIELD_DEFINITION;
            case $appliedTo instanceof InterfaceTypeDefinitionNode:
            case $appliedTo instanceof InterfaceTypeExtensionNode:
                return DirectiveLocation::IFACE;
            case $appliedTo instanceof UnionTypeDefinitionNode:
            case $appliedTo instanceof UnionTypeExtensionNode:
                return DirectiveLocation::UNION;
            case $appliedTo instanceof EnumTypeDefinitionNode:
            case $appliedTo instanceof EnumTypeExtensionNode:
                return DirectiveLocation::ENUM;
            case $appliedTo instanceof EnumValueDefinitionNode:
                return DirectiveLocation::ENUM_VALUE;
            case $appliedTo instanceof InputObjectTypeDefinitionNode:
            case $appliedTo instanceof InputObjectTypeExtensionNode:
                return DirectiveLocation::INPUT_OBJECT;
            case $appliedTo instanceof InputValueDefinitionNode:
                $parentNode = $ancestors[count($ancestors) - 3];

                return $parentNode instanceof InputObjectTypeDefinitionNode
                    ? DirectiveLocation::INPUT_FIELD_DEFINITION
                    : DirectiveLocation::ARGUMENT_DEFINITION;
        }

        throw new Exception('Unknown directive location: ' . get_class($appliedTo));
    }

    public static function misplacedDirectiveMessage($directiveName, $location)
    {
        return sprintf('Directive "%s" may not be used on "%s".', $directiveName, $location);
    }
}


1		<?php
2
3		declare(strict_types=1);
4
5		namespace GraphQL\Validator\Rules;
6
7		use Exception;
8		use GraphQL\Error\Error;
9		use GraphQL\Language\AST\DirectiveDefinitionNode;
10		use GraphQL\Language\AST\DirectiveNode;
11		use GraphQL\Language\AST\EnumTypeDefinitionNode;
12		use GraphQL\Language\AST\EnumTypeExtensionNode;
13		use GraphQL\Language\AST\EnumValueDefinitionNode;
14		use GraphQL\Language\AST\FieldDefinitionNode;
15		use GraphQL\Language\AST\FieldNode;
16		use GraphQL\Language\AST\FragmentDefinitionNode;
17		use GraphQL\Language\AST\FragmentSpreadNode;
18		use GraphQL\Language\AST\InlineFragmentNode;
19		use GraphQL\Language\AST\InputObjectTypeDefinitionNode;
20		use GraphQL\Language\AST\InputObjectTypeExtensionNode;
21		use GraphQL\Language\AST\InputValueDefinitionNode;
22		use GraphQL\Language\AST\InterfaceTypeDefinitionNode;
23		use GraphQL\Language\AST\InterfaceTypeExtensionNode;
24		use GraphQL\Language\AST\Node;
25		use GraphQL\Language\AST\NodeKind;
26		use GraphQL\Language\AST\NodeList;
27		use GraphQL\Language\AST\ObjectTypeDefinitionNode;
28		use GraphQL\Language\AST\ObjectTypeExtensionNode;
29		use GraphQL\Language\AST\OperationDefinitionNode;
30		use GraphQL\Language\AST\ScalarTypeDefinitionNode;
31		use GraphQL\Language\AST\ScalarTypeExtensionNode;
32		use GraphQL\Language\AST\SchemaDefinitionNode;
33		use GraphQL\Language\AST\SchemaTypeExtensionNode;
34		use GraphQL\Language\AST\UnionTypeDefinitionNode;
35		use GraphQL\Language\AST\UnionTypeExtensionNode;
36		use GraphQL\Language\AST\VariableDefinitionNode;
37		use GraphQL\Language\DirectiveLocation;
38		use GraphQL\Type\Definition\Directive;
39		use GraphQL\Validator\ASTValidationContext;
40		use GraphQL\Validator\SDLValidationContext;
41		use GraphQL\Validator\ValidationContext;
42		use function array_map;
43		use function count;
44		use function get_class;
45		use function in_array;
46		use function sprintf;
47
48		class KnownDirectives extends ValidationRule
49		{
50	127	public function getVisitor(ValidationContext $context)
51		{
52	127	return $this->getASTVisitor($context);
53		}
54
55	207	public function getSDLVisitor(SDLValidationContext $context)
56		{
57	207	return $this->getASTVisitor($context);
58		}
59
60	319	public function getASTVisitor(ASTValidationContext $context)
61		{
62	319	$locationsMap = [];
63	319	$schema = $context->getSchema();
64	319	$definedDirectives = $schema
		0 ignored issues – show introduced 2019-09-07 11:16 UTC by Report Bug Copy Issue Report `$schema` is of type `GraphQL\Type\Schema`, thus it always evaluated to `true`. Loading history...
65	194	? $schema->getDirectives()
66	319	: Directive::getInternalDirectives();
67
68	319	foreach ($definedDirectives as $directive) {
69	319	$locationsMap[$directive->name] = $directive->locations;
70		}
71
72	319	$astDefinition = $context->getDocument()->definitions;
73
74	319	foreach ($astDefinition as $def) {
75	319	if (! ($def instanceof DirectiveDefinitionNode)) {
76	313	continue;
77		}
78
79	37	$locationsMap[$def->name->value] = array_map(
80		static function ($name) {
81	37	return $name->value;
82	37	},
83	37	$def->locations
84		);
85		}
86
87		return [
88		NodeKind::DIRECTIVE => function (
89		DirectiveNode $node,
90		$key,
91		$parent,
92		$path,
93		$ancestors
94		) use (
95	32	$context,
96	32	$locationsMap
97		) {
98	32	$name = $node->name->value;
99	32	$locations = $locationsMap[$name] ?? null;
100
101	32	if (! $locations) {
102	5	$context->reportError(new Error(
103	5	self::unknownDirectiveMessage($name),
104	5	[$node]
105		));
106
107	5	return;
108		}
109
110	27	$candidateLocation = $this->getDirectiveLocationForASTPath($ancestors);
111
112	27	if (! $candidateLocation \|\| in_array($candidateLocation, $locations, true)) {
113	25	return;
114		}
115	3	$context->reportError(
116	3	new Error(
117	3	self::misplacedDirectiveMessage($name, $candidateLocation),
118	3	[$node]
119		)
120		);
121	319	},
122		];
123		}
124
125	5	public static function unknownDirectiveMessage($directiveName)
126		{
127	5	return sprintf('Unknown directive "%s".', $directiveName);
128		}
129
130		/**
131		* @param Node[]\|NodeList[] $ancestors The type is actually (Node\|NodeList)[] but this PSR-5 syntax is so far not supported by most of the tools
132		*
133		* @return string
134		*/
135	27	private function getDirectiveLocationForASTPath(array $ancestors)
136		{
137	27	$appliedTo = $ancestors[count($ancestors) - 1];
138		switch (true) {
139	27	case $appliedTo instanceof OperationDefinitionNode:
140	2	switch ($appliedTo->operation) {
141	2	case 'query':
142	2	return DirectiveLocation::QUERY;
143	2	case 'mutation':
144	2	return DirectiveLocation::MUTATION;
145		case 'subscription':
146		return DirectiveLocation::SUBSCRIPTION;
147		}
148		break;
149	27	case $appliedTo instanceof FieldNode:
150	3	return DirectiveLocation::FIELD;
151	26	case $appliedTo instanceof FragmentSpreadNode:
152	2	return DirectiveLocation::FRAGMENT_SPREAD;
153	24	case $appliedTo instanceof InlineFragmentNode:
154		return DirectiveLocation::INLINE_FRAGMENT;
155	24	case $appliedTo instanceof FragmentDefinitionNode:
156		return DirectiveLocation::FRAGMENT_DEFINITION;
157	24	case $appliedTo instanceof VariableDefinitionNode:
158	2	return DirectiveLocation::VARIABLE_DEFINITION;
159	22	case $appliedTo instanceof SchemaDefinitionNode:
160	20	case $appliedTo instanceof SchemaTypeExtensionNode:
161	6	return DirectiveLocation::SCHEMA;
162	19	case $appliedTo instanceof ScalarTypeDefinitionNode:
163	19	case $appliedTo instanceof ScalarTypeExtensionNode:
164	6	return DirectiveLocation::SCALAR;
165	17	case $appliedTo instanceof ObjectTypeDefinitionNode:
166	17	case $appliedTo instanceof ObjectTypeExtensionNode:
167	8	return DirectiveLocation::OBJECT;
168	14	case $appliedTo instanceof FieldDefinitionNode:
169	8	return DirectiveLocation::FIELD_DEFINITION;
170	11	case $appliedTo instanceof InterfaceTypeDefinitionNode:
171	11	case $appliedTo instanceof InterfaceTypeExtensionNode:
172	5	return DirectiveLocation::IFACE;
173	11	case $appliedTo instanceof UnionTypeDefinitionNode:
174	11	case $appliedTo instanceof UnionTypeExtensionNode:
175	6	return DirectiveLocation::UNION;
176	10	case $appliedTo instanceof EnumTypeDefinitionNode:
177	10	case $appliedTo instanceof EnumTypeExtensionNode:
178	6	return DirectiveLocation::ENUM;
179	9	case $appliedTo instanceof EnumValueDefinitionNode:
180	6	return DirectiveLocation::ENUM_VALUE;
181	6	case $appliedTo instanceof InputObjectTypeDefinitionNode:
182	6	case $appliedTo instanceof InputObjectTypeExtensionNode:
183	6	return DirectiveLocation::INPUT_OBJECT;
184	3	case $appliedTo instanceof InputValueDefinitionNode:
185	3	$parentNode = $ancestors[count($ancestors) - 3];
186
187	3	return $parentNode instanceof InputObjectTypeDefinitionNode
188	3	? DirectiveLocation::INPUT_FIELD_DEFINITION
189	3	: DirectiveLocation::ARGUMENT_DEFINITION;
190		}
191
192		throw new Exception('Unknown directive location: ' . get_class($appliedTo));
193		}
194
195	3	public static function misplacedDirectiveMessage($directiveName, $location)
196		{
197	3	return sprintf('Directive "%s" may not be used on "%s".', $directiveName, $location);
198		}
199		}
200

webonyx / graphql-php

KnownDirectives::getVisitor() A last analyzed 2020-01-05 17:30 UTC

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KnownDirectives::getVisitor() A
last analyzed 2020-01-05 17:30 UTC