class OpeningBraceSpaceSniff

class OpeningBraceSpaceSniff implements Sniff {
    
    /**
     * Returns an array of tokens this test wants to listen for.
     *
     * @return array<int|string>
     */
    public function register() {
        return Tokens::$ooScopeTokens;
    }
    
    //end register()
    
    /**
     * Processes this test, when one of its tokens is encountered.
     *
     * @param \PHP_CodeSniffer\Files\File $phpcsFile The file being scanned.
     * @param int                         $stackPtr  The position of the current token in the
     *                                               stack passed in $tokens.
     *
     * @return void
     */
    public function process(File $phpcsFile, $stackPtr) {
        $tokens = $phpcsFile->getTokens();
        if (isset($tokens[$stackPtr]['scope_opener']) === false) {
            return;
        }
        $opener = $tokens[$stackPtr]['scope_opener'];
        $next = $phpcsFile->findNext(T_WHITESPACE, $opener + 1, null, true);
        if ($next === false || $tokens[$next]['line'] <= $tokens[$opener]['line'] + 1) {
            return;
        }
        $error = 'Opening brace must not be followed by a blank line';
        $fix = $phpcsFile->addFixableError($error, $opener, 'Found');
        if ($fix === false) {
            return;
        }
        $phpcsFile->fixer
            ->beginChangeset();
        for ($i = $opener + 1; $i < $next; $i++) {
            if ($tokens[$i]['line'] === $tokens[$opener]['line']) {
                continue;
            }
            if ($tokens[$i]['line'] === $tokens[$next]['line']) {
                break;
            }
            $phpcsFile->fixer
                ->replaceToken($i, '');
        }
        $phpcsFile->fixer
            ->endChangeset();
    }
    
    //end process()

}