Exemplo n.º 1
0
bool BufferedStreamMgr::getLine(QuickString &line)
{
	line.clear();

	if (_mainBufCurrStartPos >= _mainBufCurrLen) {
		if (!readFileChunk()) {
			_eof = true;
			return false;
		}
	}
	bool retVal = true;
	while (1) {
		int searchPos = _mainBufCurrStartPos;
		while (searchPos < _mainBufCurrLen && _mainBuf[searchPos] != '\n') {
			searchPos++;
		}

		line.append((char *)_mainBuf + _mainBufCurrStartPos, searchPos - _mainBufCurrStartPos);

		_mainBufCurrStartPos = searchPos +1;
		if (searchPos == _mainBufCurrLen) { //hit end of buffer, but no newline yet
			if (!readFileChunk()) { //hit eof
				retVal = true;
				break;
			}
		} else if (_mainBuf[searchPos] == '\n') {
			retVal = true;
			break;
		}
	}
	//strip any whitespace characters, such as DOS newline characters or extra tabs,
	//from the end of the line
	int lastPos = line.size();
	while (isspace(line[lastPos-1])) lastPos--;
	line.resize(lastPos);

	return retVal;
}
Exemplo n.º 2
0
bool ContextBase::parseIoBufSize(QuickString bufStr)
{
	char lastChar = bufStr[bufStr.size()-1];
	int multiplier = 1;
	if (!isdigit(lastChar)) {
		switch (lastChar) {
		case 'K':
			multiplier = 1 << 10;
			break;
		case 'M':
			multiplier = 1 << 20;
			break;
		case 'G':
			multiplier = 1 << 30;
			break;
		default:
			_errorMsg = "\n***** ERROR: Unrecognized memory buffer size suffix \'";
			_errorMsg += lastChar;
			_errorMsg += "\' given. *****";
			return false;
			break;
		}
		//lop off suffix character
		bufStr.resize(bufStr.size()-1);
	}
	if (!isNumeric(bufStr)) {
		_errorMsg = "\n***** ERROR: argument passed to -iobuf is not numeric. *****";
		return false;
	}
	_ioBufSize = str2chrPos(bufStr) * multiplier;
	if (_ioBufSize < MIN_ALLOWED_BUF_SIZE) {
		_errorMsg = "\n***** ERROR: specified buffer size is too small. *****";
		return false;
	}
	return true;
}