class RequireAttributeAfterDocCommentSniff

class RequireAttributeAfterDocCommentSniff implements Sniff {
    public const CODE_ATTRIBUTE_BEFORE_DOC_COMMENT = 'AttributeBeforeDocComment';
    
    /**
     * @return array<int, (int|string)>
     */
    public function register() : array {
        return [
            T_ATTRIBUTE,
        ];
    }
    
    /**
     * @phpcsSuppress SlevomatCodingStandard.TypeHints.ParameterTypeHint.MissingNativeTypeHint
     * @param int $attributeOpenerPointer
     */
    public function process(File $phpcsFile, $attributeOpenerPointer) : void {
        if (!AttributeHelper::isValidAttribute($phpcsFile, $attributeOpenerPointer)) {
            return;
        }
        $tokens = $phpcsFile->getTokens();
        $docCommentOpenerPointer = TokenHelper::findNextExcluding($phpcsFile, T_WHITESPACE, $tokens[$attributeOpenerPointer]['attribute_closer'] + 1);
        if ($tokens[$docCommentOpenerPointer]['code'] !== T_DOC_COMMENT_OPEN_TAG) {
            return;
        }
        $docCommentStartPointer = TokenHelper::findFirstTokenOnLine($phpcsFile, $docCommentOpenerPointer);
        $docCommentEndPointer = TokenHelper::findLastTokenOnLine($phpcsFile, $tokens[$docCommentOpenerPointer]['comment_closer']);
        $docComment = TokenHelper::getContent($phpcsFile, $docCommentStartPointer, $docCommentEndPointer);
        $firstAttributeOpenerPointer = $attributeOpenerPointer;
        do {
            $nonWhitespacePointerBefore = TokenHelper::findPreviousNonWhitespace($phpcsFile, $firstAttributeOpenerPointer - 1);
            if ($tokens[$nonWhitespacePointerBefore]['code'] !== T_ATTRIBUTE_END) {
                break;
            }
            $firstAttributeOpenerPointer = $tokens[$nonWhitespacePointerBefore]['attribute_opener'];
        } while (true);
        $attributeStartPointer = TokenHelper::findFirstTokenOnLine($phpcsFile, $firstAttributeOpenerPointer);
        $fix = $phpcsFile->addFixableError('Attribute should be placed after documentation comment.', $attributeOpenerPointer, self::CODE_ATTRIBUTE_BEFORE_DOC_COMMENT);
        if (!$fix) {
            return;
        }
        $phpcsFile->fixer
            ->beginChangeset();
        $phpcsFile->fixer
            ->addContentBefore($attributeStartPointer, $docComment);
        FixerHelper::removeBetweenIncluding($phpcsFile, $docCommentStartPointer, $docCommentEndPointer);
        $phpcsFile->fixer
            ->endChangeset();
    }

}