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✎ Editing: PropertyNaming.php ← Back

<?php

declare (strict_types=1);
namespace Rector\Naming\Naming;

use RectorPrefix202411\Nette\Utils\Strings;
use PHPStan\Type\Generic\GenericObjectType;
use PHPStan\Type\ObjectType;
use PHPStan\Type\StaticType;
use PHPStan\Type\ThisType;
use PHPStan\Type\Type;
use PHPStan\Type\TypeCombinator;
use PHPStan\Type\TypeWithClassName;
use Rector\Exception\ShouldNotHappenException;
use Rector\Naming\RectorNamingInflector;
use Rector\Naming\ValueObject\ExpectedName;
use Rector\NodeTypeResolver\NodeTypeResolver;
use Rector\StaticTypeMapper\ValueObject\Type\AliasedObjectType;
use Rector\StaticTypeMapper\ValueObject\Type\SelfObjectType;
use Rector\Util\StringUtils;
/**
 * @see \Rector\Tests\Naming\Naming\PropertyNamingTest
 */
final class PropertyNaming
{
    /**
     * @readonly
     * @var \Rector\Naming\RectorNamingInflector
     */
    private $rectorNamingInflector;
    /**
     * @readonly
     * @var \Rector\NodeTypeResolver\NodeTypeResolver
     */
    private $nodeTypeResolver;
    /**
     * @var string[]
     */
    private const EXCLUDED_CLASSES = ['#Closure#', '#^Spl#', '#FileInfo#', '#^std#', '#Iterator#', '#SimpleXML#'];
    /**
     * @var array<string, string>
     */
    private const CONTEXT_AWARE_NAMES_BY_TYPE = ['Twig\\Environment' => 'twigEnvironment'];
    /**
     * @var string
     */
    private const INTERFACE = 'Interface';
    /**
     * @var string
     * @see https://regex101.com/r/U78rUF/1
     */
    private const I_PREFIX_REGEX = '#^I[A-Z]#';
    /**
     * @see https://regex101.com/r/hnU5pm/2/
     * @var string
     */
    private const GET_PREFIX_REGEX = '#^get(?<root_name>[A-Z].+)#';
    public function __construct(RectorNamingInflector $rectorNamingInflector, NodeTypeResolver $nodeTypeResolver)
    {
        $this->rectorNamingInflector = $rectorNamingInflector;
        $this->nodeTypeResolver = $nodeTypeResolver;
    }
    public function getExpectedNameFromMethodName(string $methodName) : ?ExpectedName
    {
        $matches = Strings::match($methodName, self::GET_PREFIX_REGEX);
        if ($matches === null) {
            return null;
        }
        $originalName = \lcfirst((string) $matches['root_name']);
        return new ExpectedName($originalName, $this->rectorNamingInflector->singularize($originalName));
    }
    public function getExpectedNameFromType(Type $type) : ?ExpectedName
    {
        // keep collections untouched
        if ($type instanceof ObjectType) {
            if ($type->isInstanceOf('Doctrine\\Common\\Collections\\Collection')->yes()) {
                return null;
            }
            if ($type->isInstanceOf('Illuminate\\Support\\Collection')->yes()) {
                return null;
            }
        }
        $className = $this->resolveClassNameFromType($type);
        if (!\is_string($className)) {
            return null;
        }
        foreach (self::EXCLUDED_CLASSES as $excludedClass) {
            if (StringUtils::isMatch($className, $excludedClass)) {
                return null;
            }
        }
        // special cases to keep context
        foreach (self::CONTEXT_AWARE_NAMES_BY_TYPE as $specialType => $contextAwareName) {
            if ($className === $specialType) {
                return new ExpectedName($contextAwareName, $contextAwareName);
            }
        }
        $shortClassName = $this->resolveShortClassName($className);
        $shortClassName = $this->normalizeShortClassName($shortClassName);
        // prolong too short generic names with one namespace up
        $originalName = $this->prolongIfTooShort($shortClassName, $className);
        return new ExpectedName($originalName, $this->rectorNamingInflector->singularize($originalName));
    }
    /**
     * @param \PHPStan\Type\ThisType|\PHPStan\Type\ObjectType|string $objectType
     */
    public function fqnToVariableName($objectType) : string
    {
        if ($objectType instanceof ThisType) {
            $objectType = $objectType->getStaticObjectType();
        }
        $className = $this->resolveClassName($objectType);
        $shortClassName = \strpos($className, '\\') !== \false ? (string) Strings::after($className, '\\', -1) : $className;
        $variableName = $this->removeInterfaceSuffixPrefix($shortClassName, 'interface');
        $variableName = $this->removeInterfaceSuffixPrefix($variableName, 'abstract');
        $variableName = $this->fqnToShortName($variableName);
        $variableName = \str_replace('_', '', $variableName);
        // prolong too short generic names with one namespace up
        return $this->prolongIfTooShort($variableName, $className);
    }
    private function resolveShortClassName(string $className) : string
    {
        if (\strpos($className, '\\') !== \false) {
            return (string) Strings::after($className, '\\', -1);
        }
        return $className;
    }
    private function removePrefixesAndSuffixes(string $shortClassName) : string
    {
        // is SomeInterface
        if (\substr_compare($shortClassName, self::INTERFACE, -\strlen(self::INTERFACE)) === 0) {
            $shortClassName = Strings::substring($shortClassName, 0, -\strlen(self::INTERFACE));
        }
        // is ISomeClass
        if ($this->isPrefixedInterface($shortClassName)) {
            $shortClassName = Strings::substring($shortClassName, 1);
        }
        // is AbstractClass
        if (\strncmp($shortClassName, 'Abstract', \strlen('Abstract')) === 0) {
            return Strings::substring($shortClassName, \strlen('Abstract'));
        }
        return $shortClassName;
    }
    private function normalizeUpperCase(string $shortClassName) : string
    {
        // turns $SOMEUppercase => $someUppercase
        for ($i = 0; $i <= \strlen($shortClassName); ++$i) {
            if (\ctype_upper($shortClassName[$i]) && $this->isNumberOrUpper($shortClassName[$i + 1])) {
                $shortClassName[$i] = \strtolower($shortClassName[$i]);
            } else {
                break;
            }
        }
        return $shortClassName;
    }
    private function prolongIfTooShort(string $shortClassName, string $className) : string
    {
        if (\in_array($shortClassName, ['Factory', 'Repository'], \true)) {
            $namespaceAbove = (string) Strings::after($className, '\\', -2);
            $namespaceAbove = (string) Strings::before($namespaceAbove, '\\');
            return \lcfirst($namespaceAbove) . $shortClassName;
        }
        return \lcfirst($shortClassName);
    }
    /**
     * @param \PHPStan\Type\ObjectType|string $objectType
     */
    private function resolveClassName($objectType) : string
    {
        if ($objectType instanceof ObjectType) {
            return $objectType->getClassName();
        }
        return $objectType;
    }
    private function fqnToShortName(string $fqn) : string
    {
        if (\strpos($fqn, '\\') === \false) {
            return $fqn;
        }
        $lastNamePart = Strings::after($fqn, '\\', -1);
        if (!\is_string($lastNamePart)) {
            throw new ShouldNotHappenException();
        }
        if (\substr_compare($lastNamePart, self::INTERFACE, -\strlen(self::INTERFACE)) === 0) {
            return Strings::substring($lastNamePart, 0, -\strlen(self::INTERFACE));
        }
        return $lastNamePart;
    }
    private function removeInterfaceSuffixPrefix(string $className, string $category) : string
    {
        // suffix
        $iSuffixMatch = Strings::match($className, '#' . $category . '$#i');
        if ($iSuffixMatch !== null) {
            return Strings::substring($className, 0, -\strlen($category));
        }
        // prefix
        $iPrefixMatch = Strings::match($className, '#^' . $category . '#i');
        if ($iPrefixMatch !== null) {
            return Strings::substring($className, \strlen($category));
        }
        // starts with "I\W+"?
        if (StringUtils::isMatch($className, self::I_PREFIX_REGEX)) {
            return Strings::substring($className, 1);
        }
        return $className;
    }
    private function isPrefixedInterface(string $shortClassName) : bool
    {
        if (\strlen($shortClassName) <= 3) {
            return \false;
        }
        if (\strncmp($shortClassName, 'I', \strlen('I')) !== 0) {
            return \false;
        }
        if (!\ctype_upper($shortClassName[1])) {
            return \false;
        }
        return \ctype_lower($shortClassName[2]);
    }
    private function isNumberOrUpper(string $char) : bool
    {
        if (\ctype_upper($char)) {
            return \true;
        }
        return \ctype_digit($char);
    }
    private function normalizeShortClassName(string $shortClassName) : string
    {
        $shortClassName = $this->removePrefixesAndSuffixes($shortClassName);
        // if all is upper-cased, it should be lower-cased
        if ($shortClassName === \strtoupper($shortClassName)) {
            $shortClassName = \strtolower($shortClassName);
        }
        // remove "_"
        $shortClassName = Strings::replace($shortClassName, '#_#');
        return $this->normalizeUpperCase($shortClassName);
    }
    private function resolveClassNameFromType(Type $type) : ?string
    {
        $type = TypeCombinator::removeNull($type);
        if (!$type instanceof TypeWithClassName) {
            return null;
        }
        if ($type instanceof SelfObjectType) {
            return null;
        }
        if ($type instanceof StaticType) {
            return null;
        }
        // generic types are usually mix of parent type and specific type - various way to handle it
        if ($type instanceof GenericObjectType) {
            return null;
        }
        return $type instanceof AliasedObjectType ? $type->getClassName() : $this->nodeTypeResolver->getFullyQualifiedClassName($type);
    }
}

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