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[EDIT] FILE: PhpDocInfo.php

<?php

declare (strict_types=1);
namespace Rector\BetterPhpDocParser\PhpDocInfo;

use PHPStan\PhpDocParser\Ast\ConstExpr\ConstFetchNode;
use PHPStan\PhpDocParser\Ast\Node;
use PHPStan\PhpDocParser\Ast\PhpDoc\ExtendsTagValueNode;
use PHPStan\PhpDocParser\Ast\PhpDoc\GenericTagValueNode;
use PHPStan\PhpDocParser\Ast\PhpDoc\ImplementsTagValueNode;
use PHPStan\PhpDocParser\Ast\PhpDoc\InvalidTagValueNode;
use PHPStan\PhpDocParser\Ast\PhpDoc\MethodTagValueNode;
use PHPStan\PhpDocParser\Ast\PhpDoc\ParamTagValueNode;
use PHPStan\PhpDocParser\Ast\PhpDoc\PhpDocChildNode;
use PHPStan\PhpDocParser\Ast\PhpDoc\PhpDocNode;
use PHPStan\PhpDocParser\Ast\PhpDoc\PhpDocTagNode;
use PHPStan\PhpDocParser\Ast\PhpDoc\PhpDocTagValueNode;
use PHPStan\PhpDocParser\Ast\PhpDoc\PropertyTagValueNode;
use PHPStan\PhpDocParser\Ast\PhpDoc\ReturnTagValueNode;
use PHPStan\PhpDocParser\Ast\PhpDoc\VarTagValueNode;
use PHPStan\PhpDocParser\Ast\Type\ConstTypeNode;
use PHPStan\PhpDocParser\Ast\Type\IdentifierTypeNode;
use PHPStan\PhpDocParser\Lexer\Lexer;
use PHPStan\Type\MixedType;
use PHPStan\Type\Type;
use Rector\BetterPhpDocParser\Annotation\AnnotationNaming;
use Rector\BetterPhpDocParser\PhpDoc\ArrayItemNode;
use Rector\BetterPhpDocParser\PhpDoc\DoctrineAnnotationTagValueNode;
use Rector\BetterPhpDocParser\PhpDoc\SpacelessPhpDocTagNode;
use Rector\BetterPhpDocParser\PhpDocNodeFinder\PhpDocNodeByTypeFinder;
use Rector\BetterPhpDocParser\ValueObject\Parser\BetterTokenIterator;
use Rector\BetterPhpDocParser\ValueObject\PhpDocAttributeKey;
use Rector\BetterPhpDocParser\ValueObject\Type\ShortenedIdentifierTypeNode;
use Rector\Exception\ShouldNotHappenException;
use Rector\PhpDocParser\PhpDocParser\PhpDocNodeTraverser;
use Rector\StaticTypeMapper\StaticTypeMapper;
/**
 * @see \Rector\Tests\BetterPhpDocParser\PhpDocInfo\PhpDocInfo\PhpDocInfoTest
 */
final class PhpDocInfo
{
    /**
     * @readonly
     * @var \PHPStan\PhpDocParser\Ast\PhpDoc\PhpDocNode
     */
    private $phpDocNode;
    /**
     * @readonly
     * @var \Rector\BetterPhpDocParser\ValueObject\Parser\BetterTokenIterator
     */
    private $betterTokenIterator;
    /**
     * @readonly
     * @var \Rector\StaticTypeMapper\StaticTypeMapper
     */
    private $staticTypeMapper;
    /**
     * @readonly
     * @var \PhpParser\Node
     */
    private $node;
    /**
     * @readonly
     * @var \Rector\BetterPhpDocParser\Annotation\AnnotationNaming
     */
    private $annotationNaming;
    /**
     * @readonly
     * @var \Rector\BetterPhpDocParser\PhpDocNodeFinder\PhpDocNodeByTypeFinder
     */
    private $phpDocNodeByTypeFinder;
    /**
     * @var array<class-string<PhpDocTagValueNode>, string>
     */
    private const TAGS_TYPES_TO_NAMES = [ReturnTagValueNode::class => '@return', ParamTagValueNode::class => '@param', VarTagValueNode::class => '@var', MethodTagValueNode::class => '@method', PropertyTagValueNode::class => '@property', ExtendsTagValueNode::class => '@extends', ImplementsTagValueNode::class => '@implements'];
    /**
     * @var bool
     */
    private $isSingleLine = \false;
    /**
     * @readonly
     * @var \PHPStan\PhpDocParser\Ast\PhpDoc\PhpDocNode
     */
    private $originalPhpDocNode;
    public function __construct(PhpDocNode $phpDocNode, BetterTokenIterator $betterTokenIterator, StaticTypeMapper $staticTypeMapper, \PhpParser\Node $node, AnnotationNaming $annotationNaming, PhpDocNodeByTypeFinder $phpDocNodeByTypeFinder)
    {
        $this->phpDocNode = $phpDocNode;
        $this->betterTokenIterator = $betterTokenIterator;
        $this->staticTypeMapper = $staticTypeMapper;
        $this->node = $node;
        $this->annotationNaming = $annotationNaming;
        $this->phpDocNodeByTypeFinder = $phpDocNodeByTypeFinder;
        $this->originalPhpDocNode = clone $phpDocNode;
        if (!$betterTokenIterator->containsTokenType(Lexer::TOKEN_PHPDOC_EOL)) {
            $this->isSingleLine = \true;
        }
    }
    /**
     * @api
     */
    public function addPhpDocTagNode(PhpDocChildNode $phpDocChildNode) : void
    {
        $this->phpDocNode->children[] = $phpDocChildNode;
        // to give node more space
        $this->makeMultiLined();
    }
    public function getPhpDocNode() : PhpDocNode
    {
        return $this->phpDocNode;
    }
    public function getOriginalPhpDocNode() : PhpDocNode
    {
        return $this->originalPhpDocNode;
    }
    /**
     * @return mixed[]
     */
    public function getTokens() : array
    {
        return $this->betterTokenIterator->getTokens();
    }
    public function getTokenCount() : int
    {
        return $this->betterTokenIterator->count();
    }
    public function getVarTagValueNode(string $tagName = '@var') : ?VarTagValueNode
    {
        return $this->phpDocNode->getVarTagValues($tagName)[0] ?? null;
    }
    /**
     * @return array<PhpDocTagNode>
     */
    public function getTagsByName(string $name) : array
    {
        // for simple tag names only
        if (\strpos($name, '\\') !== \false) {
            return [];
        }
        $tags = $this->phpDocNode->getTags();
        $name = $this->annotationNaming->normalizeName($name);
        $tags = \array_filter($tags, static function (PhpDocTagNode $phpDocTagNode) use($name) : bool {
            return $phpDocTagNode->name === $name;
        });
        return \array_values($tags);
    }
    public function getParamType(string $name) : Type
    {
        $paramTagValueNodes = $this->getParamTagValueByName($name);
        return $this->getTypeOrMixed($paramTagValueNodes);
    }
    /**
     * @return ParamTagValueNode[]
     */
    public function getParamTagValueNodes() : array
    {
        return $this->phpDocNode->getParamTagValues();
    }
    public function getVarType(string $tagName = '@var') : Type
    {
        return $this->getTypeOrMixed($this->getVarTagValueNode($tagName));
    }
    public function getReturnType() : Type
    {
        return $this->getTypeOrMixed($this->getReturnTagValue());
    }
    /**
     * @param class-string<Node> $type
     */
    public function hasByType(string $type) : bool
    {
        return $this->phpDocNodeByTypeFinder->findByType($this->phpDocNode, $type) !== [];
    }
    /**
     * @param array<class-string<Node>> $types
     */
    public function hasByTypes(array $types) : bool
    {
        foreach ($types as $type) {
            if ($this->hasByType($type)) {
                return \true;
            }
        }
        return \false;
    }
    /**
     * @param string[] $names
     */
    public function hasByNames(array $names) : bool
    {
        foreach ($names as $name) {
            if ($this->hasByName($name)) {
                return \true;
            }
        }
        return \false;
    }
    public function hasByName(string $name) : bool
    {
        return (bool) $this->getTagsByName($name);
    }
    /**
     * @api
     */
    public function getByName(string $name) : ?Node
    {
        return $this->getTagsByName($name)[0] ?? null;
    }
    /**
     * @param string[] $classes
     */
    public function getByAnnotationClasses(array $classes) : ?DoctrineAnnotationTagValueNode
    {
        $doctrineAnnotationTagValueNodes = $this->phpDocNodeByTypeFinder->findDoctrineAnnotationsByClasses($this->phpDocNode, $classes);
        return $doctrineAnnotationTagValueNodes[0] ?? null;
    }
    /**
     * @api doctrine/symfony
     */
    public function getByAnnotationClass(string $class) : ?DoctrineAnnotationTagValueNode
    {
        $doctrineAnnotationTagValueNodes = $this->phpDocNodeByTypeFinder->findDoctrineAnnotationsByClass($this->phpDocNode, $class);
        return $doctrineAnnotationTagValueNodes[0] ?? null;
    }
    /**
     * @api used in tests, doctrine
     */
    public function hasByAnnotationClass(string $class) : bool
    {
        return $this->findByAnnotationClass($class) !== [];
    }
    /**
     * @param string[] $annotationsClasses
     */
    public function hasByAnnotationClasses(array $annotationsClasses) : bool
    {
        return $this->getByAnnotationClasses($annotationsClasses) instanceof DoctrineAnnotationTagValueNode;
    }
    public function findOneByAnnotationClass(string $desiredClass) : ?DoctrineAnnotationTagValueNode
    {
        $foundTagValueNodes = $this->findByAnnotationClass($desiredClass);
        return $foundTagValueNodes[0] ?? null;
    }
    /**
     * @template T of \PHPStan\PhpDocParser\Ast\Node
     * @param class-string<T> $typeToRemove
     */
    public function removeByType(string $typeToRemove, ?string $name = null) : bool
    {
        $hasChanged = \false;
        $phpDocNodeTraverser = new PhpDocNodeTraverser();
        $phpDocNodeTraverser->traverseWithCallable($this->phpDocNode, '', static function (Node $node) use($typeToRemove, &$hasChanged, $name) : ?int {
            if ($node instanceof PhpDocTagNode && $node->value instanceof $typeToRemove) {
                // keep special annotation for tools
                if (\strncmp($node->name, '@psalm-', \strlen('@psalm-')) === 0) {
                    return null;
                }
                if (\strncmp($node->name, '@phpstan-', \strlen('@phpstan-')) === 0) {
                    return null;
                }
                if ($name !== null && $node->value instanceof VarTagValueNode && $node->value->variableName !== '$' . \ltrim($name, '$')) {
                    return PhpDocNodeTraverser::DONT_TRAVERSE_CHILDREN;
                }
                $hasChanged = \true;
                return PhpDocNodeTraverser::NODE_REMOVE;
            }
            if (!$node instanceof $typeToRemove) {
                return null;
            }
            $hasChanged = \true;
            return PhpDocNodeTraverser::NODE_REMOVE;
        });
        return $hasChanged;
    }
    public function removeByName(string $tagName) : bool
    {
        $tagName = '@' . \ltrim($tagName, '@');
        $hasChanged = \false;
        $phpDocNodeTraverser = new PhpDocNodeTraverser();
        $phpDocNodeTraverser->traverseWithCallable($this->phpDocNode, '', static function (Node $node) use($tagName, &$hasChanged) : ?int {
            if ($node instanceof PhpDocTagNode && $node->name === $tagName) {
                $hasChanged = \true;
                return PhpDocNodeTraverser::NODE_REMOVE;
            }
            return null;
        });
        return $hasChanged;
    }
    public function addTagValueNode(PhpDocTagValueNode $phpDocTagValueNode) : void
    {
        if ($phpDocTagValueNode instanceof DoctrineAnnotationTagValueNode) {
            if ($phpDocTagValueNode->identifierTypeNode instanceof ShortenedIdentifierTypeNode) {
                $name = '@' . $phpDocTagValueNode->identifierTypeNode;
            } else {
                $name = '@\\' . $phpDocTagValueNode->identifierTypeNode;
            }
            $spacelessPhpDocTagNode = new SpacelessPhpDocTagNode($name, $phpDocTagValueNode);
            $this->addPhpDocTagNode($spacelessPhpDocTagNode);
            return;
        }
        $name = $this->resolveNameForPhpDocTagValueNode($phpDocTagValueNode);
        if (!\is_string($name)) {
            throw new ShouldNotHappenException(\sprintf('Name could not be resolved for "%s" tag value node. Complete it to %s::TAGS_TYPES_TO_NAMES constant', \get_class($phpDocTagValueNode), self::class));
        }
        $phpDocTagNode = new PhpDocTagNode($name, $phpDocTagValueNode);
        $this->addPhpDocTagNode($phpDocTagNode);
    }
    public function isNewNode() : bool
    {
        if ($this->phpDocNode->children === []) {
            return \false;
        }
        return $this->betterTokenIterator->count() === 0;
    }
    public function isSingleLine() : bool
    {
        return $this->isSingleLine;
    }
    public function hasInvalidTag(string $name) : bool
    {
        // fallback for invalid tag value node
        foreach ($this->phpDocNode->children as $phpDocChildNode) {
            if (!$phpDocChildNode instanceof PhpDocTagNode) {
                continue;
            }
            if ($phpDocChildNode->name !== $name) {
                continue;
            }
            if (!$phpDocChildNode->value instanceof InvalidTagValueNode) {
                continue;
            }
            return \true;
        }
        return \false;
    }
    public function getReturnTagValue() : ?ReturnTagValueNode
    {
        $returnTagValueNodes = $this->phpDocNode->getReturnTagValues();
        return $returnTagValueNodes[0] ?? null;
    }
    public function getParamTagValueByName(string $name) : ?ParamTagValueNode
    {
        $desiredParamNameWithDollar = '$' . \ltrim($name, '$');
        foreach ($this->getParamTagValueNodes() as $paramTagValueNode) {
            if ($paramTagValueNode->parameterName !== $desiredParamNameWithDollar) {
                continue;
            }
            return $paramTagValueNode;
        }
        return null;
    }
    /**
     * @return string[]
     */
    public function getTemplateNames() : array
    {
        $templateNames = [];
        foreach ($this->phpDocNode->getTemplateTagValues() as $templateTagValueNode) {
            $templateNames[] = $templateTagValueNode->name;
        }
        return $templateNames;
    }
    public function makeMultiLined() : void
    {
        $this->isSingleLine = \false;
    }
    public function getNode() : \PhpParser\Node
    {
        return $this->node;
    }
    /**
     * @return string[]
     */
    public function getAnnotationClassNames() : array
    {
        /** @var IdentifierTypeNode[] $identifierTypeNodes */
        $identifierTypeNodes = $this->phpDocNodeByTypeFinder->findByType($this->phpDocNode, IdentifierTypeNode::class);
        $resolvedClasses = [];
        foreach ($identifierTypeNodes as $identifierTypeNode) {
            $resolvedClasses[] = \ltrim($identifierTypeNode->name, '@');
        }
        return $resolvedClasses;
    }
    /**
     * @return string[]
     */
    public function getGenericTagClassNames() : array
    {
        /** @var GenericTagValueNode[] $genericTagValueNodes */
        $genericTagValueNodes = $this->phpDocNodeByTypeFinder->findByType($this->phpDocNode, GenericTagValueNode::class);
        $resolvedClasses = [];
        foreach ($genericTagValueNodes as $genericTagValueNode) {
            if ($genericTagValueNode->value !== '') {
                $resolvedClasses[] = $genericTagValueNode->value;
            }
        }
        return $resolvedClasses;
    }
    /**
     * @return string[]
     */
    public function getConstFetchNodeClassNames() : array
    {
        $phpDocNodeTraverser = new PhpDocNodeTraverser();
        $classNames = [];
        $phpDocNodeTraverser->traverseWithCallable($this->phpDocNode, '', static function (Node $node) use(&$classNames) : ?ConstTypeNode {
            if (!$node instanceof ConstTypeNode) {
                return null;
            }
            if (!$node->constExpr instanceof ConstFetchNode) {
                return null;
            }
            $classNames[] = $node->constExpr->getAttribute(PhpDocAttributeKey::RESOLVED_CLASS);
            return $node;
        });
        return $classNames;
    }
    /**
     * @return string[]
     */
    public function getArrayItemNodeClassNames() : array
    {
        $phpDocNodeTraverser = new PhpDocNodeTraverser();
        $classNames = [];
        $phpDocNodeTraverser->traverseWithCallable($this->phpDocNode, '', static function (Node $node) use(&$classNames) : ?ArrayItemNode {
            if (!$node instanceof ArrayItemNode) {
                return null;
            }
            $resolvedClass = $node->getAttribute(PhpDocAttributeKey::RESOLVED_CLASS);
            if ($resolvedClass === null) {
                return null;
            }
            $classNames[] = $resolvedClass;
            return $node;
        });
        return $classNames;
    }
    /**
     * @param class-string $desiredClass
     * @return DoctrineAnnotationTagValueNode[]
     */
    public function findByAnnotationClass(string $desiredClass) : array
    {
        return $this->phpDocNodeByTypeFinder->findDoctrineAnnotationsByClass($this->phpDocNode, $desiredClass);
    }
    private function resolveNameForPhpDocTagValueNode(PhpDocTagValueNode $phpDocTagValueNode) : ?string
    {
        foreach (self::TAGS_TYPES_TO_NAMES as $tagValueNodeType => $name) {
            /** @var class-string<PhpDocTagNode> $tagValueNodeType */
            if ($phpDocTagValueNode instanceof $tagValueNodeType) {
                return $name;
            }
        }
        return null;
    }
    /**
     * @return \PHPStan\Type\MixedType|\PHPStan\Type\Type
     */
    private function getTypeOrMixed(?PhpDocTagValueNode $phpDocTagValueNode)
    {
        if (!$phpDocTagValueNode instanceof PhpDocTagValueNode) {
            return new MixedType();
        }
        return $this->staticTypeMapper->mapPHPStanPhpDocTypeToPHPStanType($phpDocTagValueNode, $this->node);
    }
}

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