class DisallowMultipleStyleDefinitionsSniff

class DisallowMultipleStyleDefinitionsSniff implements Sniff {
    
    /**
     * A list of tokenizers this sniff supports.
     *
     * @var string[]
     */
    public $supportedTokenizers = [
        'CSS',
    ];
    
    /**
     * Returns the token types that this sniff is interested in.
     *
     * @return array<int|string>
     */
    public function register() {
        return [
            T_STYLE,
        ];
    }
    
    //end register()
    
    /**
     * Processes the tokens that this sniff is interested in.
     *
     * @param \PHP_CodeSniffer\Files\File $phpcsFile The file where the token was found.
     * @param int                         $stackPtr  The position in the stack where
     *                                               the token was found.
     *
     * @return void
     */
    public function process(File $phpcsFile, $stackPtr) {
        $tokens = $phpcsFile->getTokens();
        $next = $phpcsFile->findNext(T_STYLE, $stackPtr + 1);
        if ($next === false) {
            return;
        }
        if ($tokens[$next]['content'] === 'progid') {
            // Special case for IE filters.
            return;
        }
        if ($tokens[$next]['line'] === $tokens[$stackPtr]['line']) {
            $error = 'Each style definition must be on a line by itself';
            $fix = $phpcsFile->addFixableError($error, $next, 'Found');
            if ($fix === true) {
                $phpcsFile->fixer
                    ->addNewlineBefore($next);
            }
        }
    }
    
    //end process()

}