public override string ToString()
{
return(type.ToString());
}
private void GetNumber(string expression)
{
expression = expression.Trim();
if (expression == functionType.ToString())
{
characterNumbers = -1;
return;
}
if (!expression.ToUpper().StartsWith(functionType.ToString() + "("))
{
throw new VNRException(ExceptionType.FRAMEWORK, "Can't get number!");
}
int index = expression.IndexOf(')');
if (index == -1)
{
throw new VNRException(ExceptionType.FRAMEWORK, "Can't get number!");
}
string result = expression.Substring(functionType.ToString().Length + 1, index - functionType.ToString().Length - 1);
try
{
string[] splits = result.Split(',');
if (functionType == FunctionTypes.OBJECT)
{
if (splits.Count() >= 6)
{
//Đủ 6 tham số (table, field, startIndex, length, allowZero, fromlast)
objectTabledName = splits[0].Trim();
objectFieldName = splits[1].Trim();
startIndex = int.Parse(splits[2].Trim());
characterNumbers = int.Parse(splits[3].Trim());
allowZero = int.Parse(splits[4].Trim()) == 1;
fromLast = int.Parse(splits[5].Trim()) == 1;
}
else if (splits.Count() >= 5)
{
objectTabledName = splits[0].Trim();
objectFieldName = splits[1].Trim();
startIndex = int.Parse(splits[2].Trim());
characterNumbers = int.Parse(splits[3].Trim());
allowZero = int.Parse(splits[4].Trim()) == 1;
}
else if (splits.Count() >= 4)
{
objectTabledName = splits[0].Trim();
objectFieldName = splits[1].Trim();
startIndex = int.Parse(splits[2].Trim());
characterNumbers = int.Parse(splits[3].Trim());
}
}
else
{
if (splits.Count() > 0)
{
characterNumbers = int.Parse(splits[0].Trim());
}
if (splits.Count() > 1)
{
allowZero = int.Parse(splits[1].Trim()) == 1;
}
if (splits.Count() > 2)
{
fromLast = int.Parse(splits[2].Trim()) == 1;
}
}
}
catch
{
throw new VNRException(ExceptionType.FRAMEWORK, "Can't get number!");
}
}