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✏️ Editing: DisallowMultiConstantDefinitionSniff.php

<?php declare(strict_types = 1);

namespace SlevomatCodingStandard\Sniffs\Classes;

use PHP_CodeSniffer\Files\File;
use PHP_CodeSniffer\Sniffs\Sniff;
use PHP_CodeSniffer\Util\Tokens;
use SlevomatCodingStandard\Helpers\DocCommentHelper;
use SlevomatCodingStandard\Helpers\FixerHelper;
use SlevomatCodingStandard\Helpers\IndentationHelper;
use SlevomatCodingStandard\Helpers\TokenHelper;
use function count;
use function in_array;
use function sprintf;
use function trim;
use const T_COMMA;
use const T_CONST;
use const T_OPEN_SHORT_ARRAY;
use const T_SEMICOLON;

class DisallowMultiConstantDefinitionSniff implements Sniff
{

public const CODE_DISALLOWED_MULTI_CONSTANT_DEFINITION = 'DisallowedMultiConstantDefinition';

/**
	 * @return array<int, (int|string)>
	 */
	public function register(): array
	{
		return [T_CONST];
	}

/**
	 * @phpcsSuppress SlevomatCodingStandard.TypeHints.ParameterTypeHint.MissingNativeTypeHint
	 * @param int $constantPointer
	 */
	public function process(File $phpcsFile, $constantPointer): void
	{
		$tokens = $phpcsFile->getTokens();

$semicolonPointer = TokenHelper::findNext($phpcsFile, T_SEMICOLON, $constantPointer + 1);
		$commaPointers = [];
		$nextPointer = $constantPointer;
		do {
			$nextPointer = TokenHelper::findNext($phpcsFile, [T_COMMA, T_OPEN_SHORT_ARRAY], $nextPointer + 1, $semicolonPointer);

if ($nextPointer === null) {
				break;
			}

if ($tokens[$nextPointer]['code'] === T_OPEN_SHORT_ARRAY) {
				$nextPointer = $tokens[$nextPointer]['bracket_closer'];
				continue;
			}

$commaPointers[] = $nextPointer;

} while (true);

if (count($commaPointers) === 0) {
			return;
		}

$fix = $phpcsFile->addFixableError(
			'Use of multi constant definition is disallowed.',
			$constantPointer,
			self::CODE_DISALLOWED_MULTI_CONSTANT_DEFINITION,
		);
		if (!$fix) {
			return;
		}

$possibleVisibilityPointer = TokenHelper::findPreviousEffective($phpcsFile, $constantPointer - 1);
		$visibilityPointer = in_array($tokens[$possibleVisibilityPointer]['code'], Tokens::$scopeModifiers, true)
			? $possibleVisibilityPointer
			: null;
		$visibility = $visibilityPointer !== null ? $tokens[$possibleVisibilityPointer]['content'] : null;

$pointerAfterConst = TokenHelper::findNextEffective($phpcsFile, $constantPointer + 1);
		$pointerBeforeSemicolon = TokenHelper::findPreviousEffective($phpcsFile, $semicolonPointer - 1);

$indentation = IndentationHelper::getIndentation($phpcsFile, $visibilityPointer ?? $constantPointer);

$docCommentPointer = DocCommentHelper::findDocCommentOpenPointer($phpcsFile, $constantPointer);
		$docComment = $docCommentPointer !== null
			? trim(TokenHelper::getContent($phpcsFile, $docCommentPointer, $tokens[$docCommentPointer]['comment_closer']))
			: null;

$data = [];
		foreach ($commaPointers as $commaPointer) {
			$data[$commaPointer] = [
				'pointerBeforeComma' => TokenHelper::findPreviousEffective($phpcsFile, $commaPointer - 1),
				'pointerAfterComma' => TokenHelper::findNextEffective($phpcsFile, $commaPointer + 1),
			];
		}

$phpcsFile->fixer->beginChangeset();

FixerHelper::add($phpcsFile, $constantPointer, ' ');

FixerHelper::removeBetween($phpcsFile, $constantPointer, $pointerAfterConst);

foreach ($commaPointers as $commaPointer) {
			FixerHelper::removeBetween($phpcsFile, $data[$commaPointer]['pointerBeforeComma'], $commaPointer);
			FixerHelper::replace(
				$phpcsFile,
				$commaPointer,
				sprintf(
					';%s%s%s%sconst ',
					$phpcsFile->eolChar,
					$docComment !== null
						? sprintf('%s%s%s', $indentation, $docComment, $phpcsFile->eolChar)
						: '',
					$indentation,
					$visibility !== null ? sprintf('%s ', $visibility) : '',
				),
			);

FixerHelper::removeBetween($phpcsFile, $commaPointer, $data[$commaPointer]['pointerAfterComma']);
		}

FixerHelper::removeBetween($phpcsFile, $pointerBeforeSemicolon, $semicolonPointer);

$phpcsFile->fixer->endChangeset();
	}

}

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