protected String ReadStringStrict(ReadArgs args, bool expectOpenEncl = true)
{
int readChar = 0;
// opening encloser
if (expectOpenEncl)
{
readChar = args.ReadOne();
if (readChar != iStringEncl)
{
throw Error.UnexpectedChars(Constants.StringFieldEncloser, Convert.ToChar(readChar));
}
}
while (true)
{
readChar = args.ReadOne();
if (readChar == iStringEncl)
{
break;
}
else if (readChar == iStringEsc)
{
readChar = args.ReadOne();
if (readChar == iStringEsc)
{
args.StrAppend(Constants.StringEscapeChar);
}
else if (readChar == iStringEncl)
{
args.StrAppend(Constants.StringFieldEncloser);
}
else if (readChar == -1)
{
throw new Error(ErrorCode.UnexpectedEOF);
}
else
{
throw new Error(ErrorCode.NotEscapeChar).AddData(ErrorDataKeys.Actual, Convert.ToChar(readChar));
}
continue;
}
else if (readChar >= 0)
{
args.StrAppend((char)readChar);
}
else
{
throw new Error(ErrorCode.UnexpectedEOF);
}
}
return(args.StrGet());
}
protected void ReadNumber(ReadArgs args, int readChar)
{
long valueLong = 0;
long multiply = 1;
bool isDecimal = false;
if (readChar == iMinus)
{
multiply = -1;
args.StrAppend((char)readChar);
readChar = args.ReadOne();
}
do
{
int digitValue = readChar - iDigit0;
if (digitValue >= 0 && digitValue < 10)
{
valueLong = (valueLong * 10) + digitValue;
args.StrAppend((char)readChar);
}
else
{
if (readChar == iDecimal)
{
args.StrAppend((char)readChar);
isDecimal = true;
}
else if (readChar == iFieldSep)
{
args.State = ReaderField.Singleton;
}
else if (readChar == iRecordSep)
{
args.State = ReaderNewRecord.Singleton;
}
else if (readChar == -1)
{
args.State = ReaderEnd.Singleton;
}
else
{
throw Error.Unexpected(ErrorCode.UnexpectedChars, iDigit0, readChar);
}
break;
}
readChar = args.ReadOne();
} while (true);
ValueRecord vr = args.ValueRec;
if (!isDecimal)
{
valueLong *= multiply;
args.AddValue(valueLong);
args.Read.GetReadValue().ReadValue(vr, args.valPos, valueLong);
args.StrReset();
}
else
{
// get a double value
do
{
readChar = args.ReadOne();
int digitValue = readChar - iDigit0;
if (digitValue >= 0 && digitValue < 10)
{
args.StrAppend((char)readChar);
}
else
{
if (readChar == iFieldSep)
{
args.State = ReaderField.Singleton;
}
else if (readChar == iRecordSep)
{
args.State = ReaderNewRecord.Singleton;
}
else if (readChar == -1)
{
args.State = ReaderEnd.Singleton;
}
else
{
throw Error.Unexpected(ErrorCode.UnexpectedChars, iDigit0, readChar);
}
break;
}
} while (true);
double realValue = double.Parse(args.StrGet());
args.AddValue(realValue);
args.Read.GetReadValue().ReadValue(vr, args.valPos, realValue);
}
}
