DisallowTrailingCommaInCallSniff.php

<?php

declare (strict_types=1);
namespace SlevomatCodingStandard\Sniffs\Functions;

use PHP_CodeSniffer\Files\File;
use PHP_CodeSniffer\Sniffs\Sniff;
use SlevomatCodingStandard\Helpers\FixerHelper;
use SlevomatCodingStandard\Helpers\TokenHelper;
use function array_key_exists;
use function array_merge;
use function in_array;
use const T_CLOSE_PARENTHESIS;
use const T_COMMA;
use const T_ISSET;
use const T_OPEN_PARENTHESIS;
use const T_PARENT;
use const T_SELF;
use const T_STATIC;
use const T_UNSET;
use const T_VARIABLE;
class DisallowTrailingCommaInCallSniff implements Sniff {
    public const CODE_DISALLOWED_TRAILING_COMMA = 'DisallowedTrailingComma';
    
    /** @var bool */
    public $onlySingleLine = false;
    
    /**
     * @return array<int, (int|string)>
     */
    public function register() : array {
        return [
            T_OPEN_PARENTHESIS,
        ];
    }
    
    /**
     * @phpcsSuppress SlevomatCodingStandard.TypeHints.ParameterTypeHint.MissingNativeTypeHint
     * @param int $parenthesisOpenerPointer
     */
    public function process(File $phpcsFile, $parenthesisOpenerPointer) : void {
        $tokens = $phpcsFile->getTokens();
        if (array_key_exists('parenthesis_owner', $tokens[$parenthesisOpenerPointer])) {
            return;
        }
        $pointerBeforeParenthesisOpener = TokenHelper::findPreviousEffective($phpcsFile, $parenthesisOpenerPointer - 1);
        if (!in_array($tokens[$pointerBeforeParenthesisOpener]['code'], array_merge(TokenHelper::getOnlyNameTokenCodes(), [
            T_VARIABLE,
            T_ISSET,
            T_UNSET,
            T_CLOSE_PARENTHESIS,
            T_SELF,
            T_STATIC,
            T_PARENT,
        ]), true)) {
            return;
        }
        $parenthesisCloserPointer = $tokens[$parenthesisOpenerPointer]['parenthesis_closer'];
        $pointerBeforeParenthesisCloser = TokenHelper::findPreviousEffective($phpcsFile, $parenthesisCloserPointer - 1);
        if ($tokens[$pointerBeforeParenthesisCloser]['code'] !== T_COMMA) {
            return;
        }
        if ($this->onlySingleLine && $tokens[$parenthesisOpenerPointer]['line'] !== $tokens[$parenthesisCloserPointer]['line']) {
            return;
        }
        $fix = $phpcsFile->addFixableError('Trailing comma after the last parameter in function call is disallowed.', $pointerBeforeParenthesisCloser, self::CODE_DISALLOWED_TRAILING_COMMA);
        if (!$fix) {
            return;
        }
        $phpcsFile->fixer
            ->beginChangeset();
        $phpcsFile->fixer
            ->replaceToken($pointerBeforeParenthesisCloser, '');
        if ($tokens[$pointerBeforeParenthesisCloser]['line'] === $tokens[$parenthesisCloserPointer]['line']) {
            FixerHelper::removeBetween($phpcsFile, $pointerBeforeParenthesisCloser, $parenthesisCloserPointer);
        }
        $phpcsFile->fixer
            ->endChangeset();
    }

}