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<?php declare(strict_types = 1);

namespace SlevomatCodingStandard\Sniffs\Functions;

use PHP_CodeSniffer\Files\File;
use PHP_CodeSniffer\Sniffs\Sniff;
use SlevomatCodingStandard\Helpers\TokenHelper;
use function rtrim;
use function trim;
use const T_CLOSE_PARENTHESIS;
use const T_COMMA;
use const T_FUNCTION;
use const T_OPEN_PARENTHESIS;
use const T_PARENT;
use const T_SELF;
use const T_STATIC;
use const T_WHITESPACE;

abstract class AbstractLineCall implements Sniff
{

/**
	 * @return array<int, (int|string)>
	 */
	public function register(): array
	{
		return [...TokenHelper::ONLY_NAME_TOKEN_CODES, T_SELF, T_STATIC, T_PARENT];
	}

protected function isCall(File $phpcsFile, int $stringPointer): bool
	{
		$tokens = $phpcsFile->getTokens();

$nextPointer = TokenHelper::findNextEffective($phpcsFile, $stringPointer + 1);

if ($tokens[$nextPointer]['code'] !== T_OPEN_PARENTHESIS) {
			return false;
		}

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

return $tokens[$previousPointer]['code'] !== T_FUNCTION;
	}

protected function getLineStart(File $phpcsFile, int $pointer): string
	{
		$firstPointerOnLine = TokenHelper::findFirstTokenOnLine($phpcsFile, $pointer);

return TokenHelper::getContent($phpcsFile, $firstPointerOnLine, $pointer);
	}

protected function getCall(File $phpcsFile, int $parenthesisOpenerPointer, int $parenthesisCloserPointer): string
	{
		$tokens = $phpcsFile->getTokens();

$pointerBeforeParenthesisCloser = TokenHelper::findPreviousEffective($phpcsFile, $parenthesisCloserPointer - 1);

$endPointer = $tokens[$pointerBeforeParenthesisCloser]['code'] === T_COMMA
			? $pointerBeforeParenthesisCloser
			: $parenthesisCloserPointer;

$call = '';

for ($i = $parenthesisOpenerPointer + 1; $i < $endPointer; $i++) {
			if ($tokens[$i]['code'] === T_COMMA) {
				$nextPointer = TokenHelper::findNextEffective($phpcsFile, $i + 1);
				if ($tokens[$nextPointer]['code'] === T_CLOSE_PARENTHESIS) {
					$i = $nextPointer - 1;
					continue;
				}
			}

if ($tokens[$i]['code'] === T_WHITESPACE) {
				if ($tokens[$i]['content'] === $phpcsFile->eolChar) {
					if ($tokens[$i - 1]['code'] === T_COMMA) {
						$call .= ' ';
					}

continue;

} if ($tokens[$i]['column'] === 1) {
					// Nothing
					continue;
				}
			}

$call .= $tokens[$i]['content'];
		}

return trim($call);
	}

protected function getLineEnd(File $phpcsFile, int $pointer): string
	{
		$firstPointerOnNextLine = TokenHelper::findFirstTokenOnNextLine($phpcsFile, $pointer);

return rtrim(TokenHelper::getContent($phpcsFile, $pointer, $firstPointerOnNextLine - 1));
	}

}

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