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✏️ Editing: RequireMultiLineCallSniff.php

<?php declare(strict_types = 1);

namespace SlevomatCodingStandard\Sniffs\Functions;

use PHP_CodeSniffer\Files\File;
use SlevomatCodingStandard\Helpers\FixerHelper;
use SlevomatCodingStandard\Helpers\IndentationHelper;
use SlevomatCodingStandard\Helpers\SniffSettingsHelper;
use SlevomatCodingStandard\Helpers\TokenHelper;
use function array_unique;
use function count;
use function in_array;
use function ltrim;
use function sprintf;
use function strlen;
use function trim;
use const T_CLOSE_PARENTHESIS;
use const T_CLOSE_SHORT_ARRAY;
use const T_COMMA;
use const T_DOUBLE_COLON;
use const T_NEW;
use const T_OBJECT_OPERATOR;
use const T_OPEN_PARENTHESIS;
use const T_OPEN_SHORT_ARRAY;

class RequireMultiLineCallSniff extends AbstractLineCall
{

public const CODE_REQUIRED_MULTI_LINE_CALL = 'RequiredMultiLineCall';

public int $minLineLength = 121;

/**
	 * @phpcsSuppress SlevomatCodingStandard.TypeHints.ParameterTypeHint.MissingNativeTypeHint
	 * @param int $stringPointer
	 */
	public function process(File $phpcsFile, $stringPointer): void
	{
		$this->minLineLength = SniffSettingsHelper::normalizeInteger($this->minLineLength);

if (!$this->isCall($phpcsFile, $stringPointer)) {
			return;
		}

$tokens = $phpcsFile->getTokens();

$parenthesisOpenerPointer = TokenHelper::findNextEffective($phpcsFile, $stringPointer + 1);
		$parenthesisCloserPointer = $tokens[$parenthesisOpenerPointer]['parenthesis_closer'];

// No parameters
		$effectivePointerAfterParenthesisOpener = TokenHelper::findNextEffective($phpcsFile, $parenthesisOpenerPointer + 1);
		if ($effectivePointerAfterParenthesisOpener === $parenthesisCloserPointer) {
			return;
		}

$parametersPointers = [TokenHelper::findNextEffective($phpcsFile, $parenthesisOpenerPointer + 1)];

$level = 0;
		$pointers = TokenHelper::findNextAll(
			$phpcsFile,
			[T_COMMA, T_OPEN_PARENTHESIS, T_CLOSE_PARENTHESIS, T_OPEN_SHORT_ARRAY, T_CLOSE_SHORT_ARRAY],
			$parenthesisOpenerPointer + 1,
			$parenthesisCloserPointer,
		);
		foreach ($pointers as $pointer) {
			if (in_array($tokens[$pointer]['code'], [T_OPEN_PARENTHESIS, T_OPEN_SHORT_ARRAY], true)) {
				$level++;
				continue;
			}

if (in_array($tokens[$pointer]['code'], [T_CLOSE_PARENTHESIS, T_CLOSE_SHORT_ARRAY], true)) {
				$level--;
				continue;
			}

if ($level !== 0) {
				continue;
			}

$parameterPointer = TokenHelper::findNextEffective($phpcsFile, $pointer + 1, $parenthesisCloserPointer);
			if ($parameterPointer !== null) {
				$parametersPointers[] = $parameterPointer;
			}
		}

$lines = [
			$tokens[$parenthesisOpenerPointer]['line'],
			$tokens[$parenthesisCloserPointer]['line'],
		];
		foreach ($parametersPointers as $parameterPointer) {
			$lines[] = $tokens[$parameterPointer]['line'];
		}

// Each parameter on its line
		if (count(array_unique($lines)) - 2 >= count($parametersPointers)) {
			return;
		}

if ($this->shouldBeSkipped($phpcsFile, $stringPointer, $parenthesisCloserPointer)) {
			return;
		}

$lineStart = $this->getLineStart($phpcsFile, $parenthesisOpenerPointer);

if ($tokens[$parenthesisCloserPointer]['line'] === $tokens[$stringPointer]['line']) {
			$call = $this->getCall($phpcsFile, $parenthesisOpenerPointer, $parenthesisCloserPointer);
			$lineEnd = $this->getLineEnd($phpcsFile, $parenthesisCloserPointer);
			$lineLength = strlen($lineStart . $call . $lineEnd);
		} else {
			$lineEnd = $this->getLineEnd($phpcsFile, $parenthesisOpenerPointer + 1);
			$lineLength = strlen($lineStart . $lineEnd);
		}

$firstNonWhitespaceOnLine = TokenHelper::findFirstNonWhitespaceOnLine($phpcsFile, $stringPointer);
		$indentation = IndentationHelper::getIndentation($phpcsFile, $firstNonWhitespaceOnLine);
		$oneIndentation = IndentationHelper::getOneIndentationLevel($phpcsFile);

if (!$this->shouldReportError(
			$lineLength,
			$lineStart,
			$lineEnd,
			count($parametersPointers),
			strlen($oneIndentation),
		)) {
			return;
		}

$previousPointer = TokenHelper::findPreviousEffective($phpcsFile, $stringPointer - 1);

$name = ltrim($tokens[$stringPointer]['content'], '\\');

if (in_array($tokens[$previousPointer]['code'], [T_OBJECT_OPERATOR, T_DOUBLE_COLON], true)) {
			$error = sprintf('Call of method %s() should be split to more lines.', $name);
		} elseif ($tokens[$previousPointer]['code'] === T_NEW) {
			$error = 'Constructor call should be split to more lines.';
		} else {
			$error = sprintf('Call of function %s() should be split to more lines.', $name);
		}

$fix = $phpcsFile->addFixableError($error, $stringPointer, self::CODE_REQUIRED_MULTI_LINE_CALL);

if (!$fix) {
			return;
		}

$parametersIndentation = IndentationHelper::addIndentation($phpcsFile, $indentation);

$phpcsFile->fixer->beginChangeset();

for ($i = $parenthesisOpenerPointer + 1; $i < $parenthesisCloserPointer; $i++) {
			if (in_array($i, $parametersPointers, true)) {
				FixerHelper::removeWhitespaceBefore($phpcsFile, $i);
				FixerHelper::addBefore($phpcsFile, $i, $phpcsFile->eolChar . $parametersIndentation);
			} elseif ($tokens[$i]['content'] === $phpcsFile->eolChar) {
				FixerHelper::add($phpcsFile, $i, $oneIndentation);
			} else {
				// Create conflict so inner calls are fixed in next loop
				FixerHelper::replace($phpcsFile, $i, $tokens[$i]['content']);
			}
		}

FixerHelper::addBefore($phpcsFile, $parenthesisCloserPointer, $phpcsFile->eolChar . $indentation);

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

private function shouldBeSkipped(File $phpcsFile, int $stringPointer, int $parenthesisCloserPointer): bool
	{
		$tokens = $phpcsFile->getTokens();

$searchStartPointer = TokenHelper::findFirstNonWhitespaceOnLine($phpcsFile, $stringPointer);
		while (true) {
			$stringPointerBefore = TokenHelper::findNext(
				$phpcsFile,
				TokenHelper::ONLY_NAME_TOKEN_CODES,
				$searchStartPointer,
				$stringPointer,
			);

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

$pointerAfterStringPointerBefore = TokenHelper::findNextEffective($phpcsFile, $stringPointerBefore + 1);
			if (
				$tokens[$pointerAfterStringPointerBefore]['code'] === T_OPEN_PARENTHESIS
				&& $tokens[$pointerAfterStringPointerBefore]['parenthesis_closer'] > $stringPointer
			) {
				return true;
			}

$searchStartPointer = $stringPointerBefore + 1;
		}

$lastPointerOnLine = TokenHelper::findLastTokenOnLine($phpcsFile, $parenthesisCloserPointer);
		$searchStartPointer = $parenthesisCloserPointer + 1;
		while (true) {
			$stringPointerAfter = TokenHelper::findNext(
				$phpcsFile,
				TokenHelper::ONLY_NAME_TOKEN_CODES,
				$searchStartPointer,
				$lastPointerOnLine + 1,
			);

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

$pointerAfterStringPointerAfter = TokenHelper::findNextEffective($phpcsFile, $stringPointerAfter + 1);
			if (
				$pointerAfterStringPointerAfter !== null
				&& $tokens[$pointerAfterStringPointerAfter]['code'] === T_OPEN_PARENTHESIS
				&& $tokens[$tokens[$pointerAfterStringPointerAfter]['parenthesis_closer']]['line'] === $tokens[$stringPointer]['line']
				&& $tokens[$pointerAfterStringPointerAfter]['parenthesis_closer'] !== TokenHelper::findNextEffective(
					$phpcsFile,
					$pointerAfterStringPointerAfter + 1,
				)
			) {
				return true;
			}

$searchStartPointer = $stringPointerAfter + 1;
		}

return false;
	}

private function shouldReportError(
		int $lineLength,
		string $lineStart,
		string $lineEnd,
		int $parametersCount,
		int $indentationLength
	): bool
	{
		if ($this->minLineLength === 0) {
			return true;
		}

if ($lineLength < $this->minLineLength) {
			return false;
		}

if ($parametersCount > 1) {
			return true;
		}

return strlen(trim($lineStart) . trim($lineEnd)) > $indentationLength;
	}

}

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