ParameterDefinition::isUnionType() - Code Metrics - Inspection of "Refactor definitions and exctractor (#17)" - yiisoft/definitions - Measure and Improve Code Quality continuously with Scrutinizer

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Push — master ( 13cd0c...0a761e )

by Alexander

created 2021-11-01 18:54 UTC

ParameterDefinition::isUnionType() A

↳ Parent: ParameterDefinition

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

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

<?php

declare(strict_types=1);

namespace Yiisoft\Definitions;

use Psr\Container\ContainerInterface;
use ReflectionNamedType;
use ReflectionParameter;
use ReflectionUnionType;
use Throwable;
use Yiisoft\Definitions\Contract\DefinitionInterface;
use Yiisoft\Definitions\Exception\NotInstantiableException;
use Yiisoft\Definitions\Exception\InvalidConfigException;

/**
 * Parameter definition resolves an object based on information from `ReflectionParameter` instance.
 */
final class ParameterDefinition implements DefinitionInterface
{
    private ReflectionParameter $parameter;

    public function __construct(ReflectionParameter $parameter)
    {
        $this->parameter = $parameter;
    }

    public function getReflection(): ReflectionParameter
    {
        return $this->parameter;
    }

    public function isVariadic(): bool
    {
        return $this->parameter->isVariadic();
    }

    public function isOptional(): bool
    {
        return $this->parameter->isOptional();
    }

    public function isBuiltin(): bool
    {
        $type = $this->parameter->getType();
        if ($type === null) {
            return false;
        }
        return $type->isBuiltin();
    }

    public function hasValue(): bool
    {
        return $this->parameter->isDefaultValueAvailable();
    }

    public function resolve(ContainerInterface $container)
    {
        $type = $this->parameter->getType();

        if ($type === null || $this->isVariadic()) {
            return $this->resolveBuiltin();
        }

        if ($this->isUnionType()) {
            return $this->resolveUnionType($container);
        }

        if (!$this->isBuiltin()) {
            /** @var ReflectionNamedType $type */
            $typeName = $type->getName();
            if ($typeName === 'self') {
                // If type name is "self", it means that called class and
                // $parameter->getDeclaringClass() returned instance of `ReflectionClass`.
                /** @psalm-suppress PossiblyNullReference */
                $typeName = $this->parameter->getDeclaringClass()->getName();
            }

            try {
                /** @var mixed */
                $result = $container->get($typeName);
            } catch (Throwable $t) {
                if ($this->parameter->isOptional()) {
                    return null;
                }
                throw $t;
            }

            if (!$result instanceof $typeName) {
                $actualType = $this->getValueType($result);
                throw new InvalidConfigException(
                    "Container returned incorrect type \"$actualType\" for service \"{$type->getName()}\"."
                );
            }
            return $result;
        }

        return $this->resolveBuiltin();
    }

    /**
     * @return mixed
     */
    private function resolveBuiltin()
    {
        if ($this->parameter->isDefaultValueAvailable()) {
            return $this->parameter->getDefaultValue();
        }

        if ($this->isOptional()) {
            throw new NotInstantiableException(
                sprintf(
                    'Can not determine default value of parameter "%s" when instantiating "%s" ' .
                    'because it is PHP internal. Please specify argument explicitly.',
                    $this->parameter->getName(),
                    $this->getCallable(),
                )
            );
        }

        throw new NotInstantiableException(
            sprintf(
                'Can not determine value of the "%s" parameter of type "%s" when instantiating "%s". ' .
                'Please specify argument explicitly.',
                $this->parameter->getName(),
                $this->getType(),
                $this->getCallable(),
            )
        );
    }

    /**
     * Resolve union type string provided as a class name.
     *
     * @throws InvalidConfigException If an object of incorrect type was created.
     * @throws Throwable
     *
     * @return mixed|null Ready to use object or null if definition can
     * not be resolved and is marked as optional.
     */
    private function resolveUnionType(ContainerInterface $container)
    {
        /** @var ReflectionUnionType $parameterType */
        $parameterType = $this->parameter->getType();
        /** @var \ReflectionType[] $types */
        $types = $parameterType->getTypes();
        $class = implode('|', $types);

        foreach ($types as $type) {
            if (!$type->isBuiltin()) {
                /** @var ReflectionNamedType $type */
                $typeName = $type->getName();
                if ($typeName === 'self') {
                    // If type name is "self", it means that called class and
                    // $parameter->getDeclaringClass() returned instance of `ReflectionClass`.
                    /** @psalm-suppress PossiblyNullReference */
                    $typeName = $this->parameter->getDeclaringClass()->getName();
                }
                try {
                    /** @var mixed */
                    $result = $container->get($typeName);
                    if (!$result instanceof $typeName) {
                        $actualType = $this->getValueType($result);
                        throw new InvalidConfigException(
                            "Container returned incorrect type \"$actualType\" for service \"$class\"."
                        );
                    }

                    return $result;
                } catch (Throwable $t) {
                    $error = $t;
                }
            }
        }

        if ($this->parameter->isOptional()) {
            return null;
        }

        if (!isset($error)) {
            return $this->resolveBuiltin();
        }

        throw $error;
    }

    private function isUnionType(): bool
    {
        return $this->parameter->getType() instanceof ReflectionUnionType;
    }

    private function getType(): string
    {
        /**
         * @psalm-suppress UndefinedDocblockClass
         *
         * @var ReflectionNamedType|ReflectionUnionType $type Could not be `null`
         * because in self::resolve() checked `$this->parameter->allowsNull()`.
         */
        $type = $this->parameter->getType();

        /** @psalm-suppress UndefinedClass, TypeDoesNotContainType */
        if ($type instanceof ReflectionUnionType) {
            /** @var ReflectionNamedType[] */
            $namedTypes = $type->getTypes();
            $names = array_map(
                static fn (ReflectionNamedType $t) => $t->getName(),
                $namedTypes
            );
            return implode('|', $names);
        }

        /** @var ReflectionNamedType $type */

        return $type->getName();
    }

    private function getCallable(): string
    {
        $callable = [];

        $class = $this->parameter->getDeclaringClass();
        if ($class !== null) {
            $callable[] = $class->getName();
        }
        $callable[] = $this->parameter->getDeclaringFunction()->getName() . '()';

        return implode('::', $callable);
    }

    /**
     * Get type of the value provided.
     *
     * @param mixed $value Value to get type for.
     */
    private function getValueType($value): string
    {
        return is_object($value) ? get_class($value) : gettype($value);
    }
}


1		<?php
2
3		declare(strict_types=1);
4
5		namespace Yiisoft\Definitions;
6
7		use Psr\Container\ContainerInterface;
8		use ReflectionNamedType;
9		use ReflectionParameter;
10		use ReflectionUnionType;
11		use Throwable;
12		use Yiisoft\Definitions\Contract\DefinitionInterface;
13		use Yiisoft\Definitions\Exception\NotInstantiableException;
14		use Yiisoft\Definitions\Exception\InvalidConfigException;
15
16		/**
17		* Parameter definition resolves an object based on information from `ReflectionParameter` instance.
18		*/
19		final class ParameterDefinition implements DefinitionInterface
20		{
21		private ReflectionParameter $parameter;
22
23	31	public function __construct(ReflectionParameter $parameter)
24		{
25	31	$this->parameter = $parameter;
26	31	}
27
28	1	public function getReflection(): ReflectionParameter
29		{
30	1	return $this->parameter;
31		}
32
33	38	public function isVariadic(): bool
34		{
35	38	return $this->parameter->isVariadic();
36		}
37
38	23	public function isOptional(): bool
39		{
40	23	return $this->parameter->isOptional();
41		}
42
43	33	public function isBuiltin(): bool
44		{
45	33	$type = $this->parameter->getType();
46	33	if ($type === null) {
47		return false;
48		}
49	33	return $type->isBuiltin();
50		}
51
52	19	public function hasValue(): bool
53		{
54	19	return $this->parameter->isDefaultValueAvailable();
55		}
56
57	35	public function resolve(ContainerInterface $container)
58		{
59	35	$type = $this->parameter->getType();
60
61	35	if ($type === null \|\| $this->isVariadic()) {
62	2	return $this->resolveBuiltin();
63		}
64
65	33	if ($this->isUnionType()) {
66		return $this->resolveUnionType($container);
67		}
68
69	33	if (!$this->isBuiltin()) {
70		/** @var ReflectionNamedType $type */
71	14	$typeName = $type->getName();
72	14	if ($typeName === 'self') {
73		// If type name is "self", it means that called class and
74		// $parameter->getDeclaringClass() returned instance of `ReflectionClass`.
75		/** @psalm-suppress PossiblyNullReference */
76		$typeName = $this->parameter->getDeclaringClass()->getName();
77		}
78
79		try {
80		/** @var mixed */
81	14	$result = $container->get($typeName);
82	9	} catch (Throwable $t) {
83	9	if ($this->parameter->isOptional()) {
84	4	return null;
85		}
86	5	throw $t;
87		}
88
89	5	if (!$result instanceof $typeName) {
90	1	$actualType = $this->getValueType($result);
91	1	throw new InvalidConfigException(
92	1	"Container returned incorrect type \"$actualType\" for service \"{$type->getName()}\"."
93		);
94		}
95	4	return $result;
96		}
97
98	19	return $this->resolveBuiltin();
99		}
100
101		/**
102		* @return mixed
103		*/
104	21	private function resolveBuiltin()
105		{
106	21	if ($this->parameter->isDefaultValueAvailable()) {
107	19	return $this->parameter->getDefaultValue();
108		}
109
110	2	if ($this->isOptional()) {
111	2	throw new NotInstantiableException(
112	2	sprintf(
113		'Can not determine default value of parameter "%s" when instantiating "%s" ' .
114	2	'because it is PHP internal. Please specify argument explicitly.',
115	2	$this->parameter->getName(),
116	2	$this->getCallable(),
117		)
118		);
119		}
120
121		throw new NotInstantiableException(
122		sprintf(
123		'Can not determine value of the "%s" parameter of type "%s" when instantiating "%s". ' .
124		'Please specify argument explicitly.',
125		$this->parameter->getName(),
126		$this->getType(),
127		$this->getCallable(),
128		)
129		);
130		}
131
132		/**
133		* Resolve union type string provided as a class name.
134		*
135		* @throws InvalidConfigException If an object of incorrect type was created.
136		* @throws Throwable
137		*
138		* @return mixed\|null Ready to use object or null if definition can
139		* not be resolved and is marked as optional.
140		*/
141		private function resolveUnionType(ContainerInterface $container)
142		{
143		/** @var ReflectionUnionType $parameterType */
144		$parameterType = $this->parameter->getType();
145		/** @var \ReflectionType[] $types */
146		$types = $parameterType->getTypes();
147		$class = implode('\|', $types);
148
149		foreach ($types as $type) {
150		if (!$type->isBuiltin()) {
151		/** @var ReflectionNamedType $type */
152		$typeName = $type->getName();
153		if ($typeName === 'self') {
154		// If type name is "self", it means that called class and
155		// $parameter->getDeclaringClass() returned instance of `ReflectionClass`.
156		/** @psalm-suppress PossiblyNullReference */
157		$typeName = $this->parameter->getDeclaringClass()->getName();
158		}
159		try {
160		/** @var mixed */
161		$result = $container->get($typeName);
162		if (!$result instanceof $typeName) {
163		$actualType = $this->getValueType($result);
164		throw new InvalidConfigException(
165		"Container returned incorrect type \"$actualType\" for service \"$class\"."
166		);
167		}
168
169		return $result;
170		} catch (Throwable $t) {
171		$error = $t;
172		}
173		}
174		}
175
176		if ($this->parameter->isOptional()) {
177		return null;
178		}
179
180		if (!isset($error)) {
181		return $this->resolveBuiltin();
182		}
183
184		throw $error;
185		}
186
187	33	private function isUnionType(): bool
188		{
189	33	return $this->parameter->getType() instanceof ReflectionUnionType;
190		}
191
192		private function getType(): string
193		{
194		/**
195		* @psalm-suppress UndefinedDocblockClass
196		*
197		* @var ReflectionNamedType\|ReflectionUnionType $type Could not be `null`
198		* because in self::resolve() checked `$this->parameter->allowsNull()`.
199		*/
200		$type = $this->parameter->getType();
201
202		/** @psalm-suppress UndefinedClass, TypeDoesNotContainType */
203		if ($type instanceof ReflectionUnionType) {
204		/** @var ReflectionNamedType[] */
205		$namedTypes = $type->getTypes();
206		$names = array_map(
207		static fn (ReflectionNamedType $t) => $t->getName(),
208		$namedTypes
209		);
210		return implode('\|', $names);
211		}
212
213		/** @var ReflectionNamedType $type */
214
215		return $type->getName();
216		}
217
218	2	private function getCallable(): string
219		{
220	2	$callable = [];
221
222	2	$class = $this->parameter->getDeclaringClass();
223	2	if ($class !== null) {
224	1	$callable[] = $class->getName();
225		}
226	2	$callable[] = $this->parameter->getDeclaringFunction()->getName() . '()';
227
228	2	return implode('::', $callable);
229		}
230
231		/**
232		* Get type of the value provided.
233		*
234		* @param mixed $value Value to get type for.
235		*/
236	1	private function getValueType($value): string
237		{
238	1	return is_object($value) ? get_class($value) : gettype($value);
239		}
240		}
241

yiisoft / definitions

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ParameterDefinition::isUnionType() A

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