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?? Editing: MyCLabsMethodCallToEnumConstRector.php

<?php

declare (strict_types=1);
namespace Rector\Php81\Rector\MethodCall;

use PhpParser\Node;
use PhpParser\Node\Arg;
use PhpParser\Node\Expr;
use PhpParser\Node\Expr\BinaryOp\Identical;
use PhpParser\Node\Expr\ClassConstFetch;
use PhpParser\Node\Expr\MethodCall;
use PhpParser\Node\Expr\PropertyFetch;
use PhpParser\Node\Expr\StaticCall;
use PhpParser\Node\Expr\Variable;
use PHPStan\Reflection\ReflectionProvider;
use PHPStan\Type\ObjectType;
use Rector\Rector\AbstractRector;
use Rector\ValueObject\PhpVersionFeature;
use Rector\VersionBonding\Contract\MinPhpVersionInterface;
use Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample;
use Symplify\RuleDocGenerator\ValueObject\RuleDefinition;
/**
 * @see \Rector\Tests\Php81\Rector\MethodCall\MyCLabsMethodCallToEnumConstRector\MyCLabsMethodCallToEnumConstRectorTest
 */
final class MyCLabsMethodCallToEnumConstRector extends AbstractRector implements MinPhpVersionInterface
{
    /**
     * @readonly
     * @var \PHPStan\Reflection\ReflectionProvider
     */
    private $reflectionProvider;
    /**
     * @var string[]
     */
    private const ENUM_METHODS = ['from', 'values', 'keys', 'isValid', 'search', 'toArray', 'assertValidValue'];
    public function __construct(ReflectionProvider $reflectionProvider)
    {
        $this->reflectionProvider = $reflectionProvider;
    }
    public function getRuleDefinition() : RuleDefinition
    {
        return new RuleDefinition('Refactor MyCLabs enum fetch to Enum const', [new CodeSample(<<<'CODE_SAMPLE'
$name = SomeEnum::VALUE()->getKey();
CODE_SAMPLE
, <<<'CODE_SAMPLE'
$name = SomeEnum::VALUE;
CODE_SAMPLE
)]);
    }
    /**
     * @return array<class-string<Node>>
     */
    public function getNodeTypes() : array
    {
        return [MethodCall::class, StaticCall::class];
    }
    /**
     * @param MethodCall|StaticCall $node
     */
    public function refactor(Node $node) : ?Node
    {
        if ($node->name instanceof Expr) {
            return null;
        }
        $enumCaseName = $this->getName($node->name);
        if ($enumCaseName === null) {
            return null;
        }
        if ($this->shouldOmitEnumCase($enumCaseName)) {
            return null;
        }
        if ($node instanceof MethodCall) {
            return $this->refactorMethodCall($node, $enumCaseName);
        }
        if (!$this->isObjectType($node->class, new ObjectType('MyCLabs\\Enum\\Enum'))) {
            return null;
        }
        $className = $this->getName($node->class);
        if (!\is_string($className)) {
            return null;
        }
        if (!$this->isEnumConstant($className, $enumCaseName)) {
            return null;
        }
        return $this->nodeFactory->createClassConstFetch($className, $enumCaseName);
    }
    public function provideMinPhpVersion() : int
    {
        return PhpVersionFeature::ENUM;
    }
    private function isEnumConstant(string $className, string $constant) : bool
    {
        $classReflection = $this->reflectionProvider->getClass($className);
        return $classReflection->hasConstant($constant);
    }
    private function refactorGetKeyMethodCall(MethodCall $methodCall) : ?ClassConstFetch
    {
        if (!$methodCall->var instanceof StaticCall) {
            return null;
        }
        $staticCall = $methodCall->var;
        $className = $this->getName($staticCall->class);
        if ($className === null) {
            return null;
        }
        $enumCaseName = $this->getName($staticCall->name);
        if ($enumCaseName === null) {
            return null;
        }
        if ($this->shouldOmitEnumCase($enumCaseName)) {
            return null;
        }
        return $this->nodeFactory->createClassConstFetch($className, $enumCaseName);
    }
    private function refactorGetValueMethodCall(MethodCall $methodCall) : ?PropertyFetch
    {
        if (!$methodCall->var instanceof StaticCall) {
            return null;
        }
        $staticCall = $methodCall->var;
        $className = $this->getName($staticCall->class);
        if ($className === null) {
            return null;
        }
        $enumCaseName = $this->getName($staticCall->name);
        if ($enumCaseName === null) {
            return null;
        }
        if ($this->shouldOmitEnumCase($enumCaseName)) {
            return null;
        }
        $classConstFetch = $this->nodeFactory->createClassConstFetch($className, $enumCaseName);
        return new PropertyFetch($classConstFetch, 'value');
    }
    private function refactorEqualsMethodCall(MethodCall $methodCall) : ?Identical
    {
        $expr = $this->getNonEnumReturnTypeExpr($methodCall->var);
        if (!$expr instanceof Expr) {
            $expr = $this->getValidEnumExpr($methodCall->var);
            if (!$expr instanceof Expr) {
                return null;
            }
        }
        $arg = $methodCall->getArgs()[0] ?? null;
        if (!$arg instanceof Arg) {
            return null;
        }
        $right = $this->getNonEnumReturnTypeExpr($arg->value);
        if (!$right instanceof Expr) {
            $right = $this->getValidEnumExpr($arg->value);
            if (!$right instanceof Expr) {
                return null;
            }
        }
        return new Identical($expr, $right);
    }
    /**
     * @param \PhpParser\Node\Expr\StaticCall|\PhpParser\Node\Expr\MethodCall $node
     */
    private function isCallerClassEnum($node) : bool
    {
        if ($node instanceof StaticCall) {
            return $this->isObjectType($node->class, new ObjectType('MyCLabs\\Enum\\Enum'));
        }
        return $this->isObjectType($node->var, new ObjectType('MyCLabs\\Enum\\Enum'));
    }
    /**
     * @return null|\PhpParser\Node\Expr\ClassConstFetch|\PhpParser\Node\Expr
     */
    private function getNonEnumReturnTypeExpr(Node $node)
    {
        if (!$node instanceof StaticCall && !$node instanceof MethodCall) {
            return null;
        }
        if ($this->isCallerClassEnum($node)) {
            $methodName = $this->getName($node->name);
            if ($methodName === null) {
                return null;
            }
            if ($node instanceof StaticCall) {
                $className = $this->getName($node->class);
            }
            if ($node instanceof MethodCall) {
                $className = $this->getName($node->var);
            }
            if ($className === null) {
                return null;
            }
            $classReflection = $this->reflectionProvider->getClass($className);
            // method self::getValidEnumExpr process enum static methods from constants
            if ($classReflection->hasConstant($methodName)) {
                return null;
            }
        }
        return $node;
    }
    /**
     * @return null|\PhpParser\Node\Expr\ClassConstFetch|\PhpParser\Node\Expr
     */
    private function getValidEnumExpr(Node $node)
    {
        switch (\get_class($node)) {
            case Variable::class:
            case PropertyFetch::class:
                return $this->getPropertyFetchOrVariable($node);
            case StaticCall::class:
                return $this->getEnumConstFetch($node);
            default:
                return null;
        }
    }
    /**
     * @param \PhpParser\Node\Expr\PropertyFetch|\PhpParser\Node\Expr\Variable $expr
     * @return null|\PhpParser\Node\Expr\PropertyFetch|\PhpParser\Node\Expr\Variable
     */
    private function getPropertyFetchOrVariable($expr)
    {
        if (!$this->isObjectType($expr, new ObjectType('MyCLabs\\Enum\\Enum'))) {
            return null;
        }
        return $expr;
    }
    private function getEnumConstFetch(StaticCall $staticCall) : ?\PhpParser\Node\Expr\ClassConstFetch
    {
        $className = $this->getName($staticCall->class);
        if ($className === null) {
            return null;
        }
        $enumCaseName = $this->getName($staticCall->name);
        if ($enumCaseName === null) {
            return null;
        }
        if ($this->shouldOmitEnumCase($enumCaseName)) {
            return null;
        }
        return $this->nodeFactory->createClassConstFetch($className, $enumCaseName);
    }
    /**
     * @return null|\PhpParser\Node\Expr\ClassConstFetch|\PhpParser\Node\Expr\PropertyFetch|\PhpParser\Node\Expr\BinaryOp\Identical
     */
    private function refactorMethodCall(MethodCall $methodCall, string $methodName)
    {
        if (!$this->isObjectType($methodCall->var, new ObjectType('MyCLabs\\Enum\\Enum'))) {
            return null;
        }
        if ($methodName === 'getKey') {
            return $this->refactorGetKeyMethodCall($methodCall);
        }
        if ($methodName === 'getValue') {
            return $this->refactorGetValueMethodCall($methodCall);
        }
        if ($methodName === 'equals') {
            return $this->refactorEqualsMethodCall($methodCall);
        }
        return null;
    }
    private function shouldOmitEnumCase(string $enumCaseName) : bool
    {
        return \in_array($enumCaseName, self::ENUM_METHODS, \true);
    }
}

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opt / cpanel / ea-wappspector / vendor / rector / rector / rules / Php81 / Rector / MethodCall /

?? Editing: MyCLabsMethodCallToEnumConstRector.php

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