private function _checkNoWhiteSpaceBefore($text) {
		if ($this->_isActive('noSpaceBeforeToken')) {

			if (!$this->_config->isException('noSpaceBeforeToken', $text)) {

				if ($this->tokenizer->checkPreviousToken(T_WHITESPACE)) {

					// To avoid false positives when using a space indentation system,
					// check that we are on the same line as the previous valid token
					$prevValid = $this->tokenizer->peekPrvsValidToken();
					$currentToken = $this->tokenizer->getCurrentToken();
					if ($prevValid->line === $currentToken->line) {
						$msg = $this->_getMessage('NO_SPACE_BEFORE_TOKEN', $text);
						$this->_writeError('noSpaceBeforeToken', $msg);
					}
				}
			}
		}
	}