/// <summary>
/// Creates an accessor depending on the format.
/// </summary>
/// <param name="start">the zero-based index of the first byte of the accessor</param>
/// <param name="length">the length of the accessor</param>
/// <param name="format">the format of the accessor</param>
/// <param name="encoding">the encoding of the accessed records</param>
/// <returns>a new accessor with the correct parameters</returns>
protected object GetAccessor(int start, int length, string format, Encoding encoding)
{
object result;
switch (format)
{
case StringFormat:
case SubstringFormat:
result = new StringAccessor {
Encoding = encoding, Start = start, Length = length
};
break;
case ZonedFormat:
result = new ZonedAccessor {
Encoding = encoding, Length = length, Start = start
};
break;
case PackedFormat:
result = new PackedAccessor {
Encoding = encoding, Length = length, Start = start
};
break;
case SignedBinaryFormat:
result = new BinaryAccessor {
Encoding = encoding, Length = length, Start = start, Signed = true
};
break;
case BinaryFormat:
result = new BinaryAccessor {
Encoding = encoding, Length = length, Start = start, Signed = false
};
break;
default:
throw new ParsingException("Unknown format: " + format);
}
return(result);
}
/// <summary>
/// Creates an accessor depending on the format.
/// </summary>
/// <param name="start">the zero-based index of the first byte of the accessor</param>
/// <param name="length">the length of the accessor</param>
/// <param name="format">the format of the accessor</param>
/// <param name="encoding">the encoding of the accessed records</param>
/// <returns>a new accessor with the correct parameters</returns>
protected object GetAccessor(int start, int length, string format, Encoding encoding)
{
object result;
switch (format)
{
case StringFormat:
case SubstringFormat:
result = new StringAccessor { Encoding = encoding, Start = start, Length = length };
break;
case ZonedFormat:
result = new ZonedAccessor { Encoding = encoding, Length = length, Start = start };
break;
case PackedFormat:
result = new PackedAccessor { Encoding = encoding, Length = length, Start = start };
break;
case SignedBinaryFormat:
result = new BinaryAccessor { Encoding = encoding, Length = length, Start = start, Signed = true };
break;
case BinaryFormat:
result = new BinaryAccessor { Encoding = encoding, Length = length, Start = start, Signed = false };
break;
default:
throw new ParsingException("Unknown format: " + format);
}
return result;
}
/// <summary>
/// Creates an accessor depending on the format.
/// </summary>
/// <param name="start">the zero-based index of the first byte of the accessor</param>
/// <param name="length">the length of the accessor</param>
/// <param name="format">the format of the accessor</param>
/// <param name="encoding">the encoding of the accessed records</param>
/// <returns>a new accessor with the correct parameters</returns>
protected object GetAccessor(int start, int length, string format, Encoding encoding)
{
object result;
switch (format)
{
case StringFormat:
case SubstringFormat:
result = new StringAccessor {
Encoding = encoding, Start = start, Length = length
};
break;
case ZonedFormat:
result = new ZonedAccessor {
Encoding = encoding, Length = length, Start = start
};
break;
case PackedFormat:
result = new PackedAccessor {
Encoding = encoding, Length = length, Start = start
};
break;
case SignedBinaryFormat:
result = new BinaryAccessor {
Encoding = encoding, Length = length, Start = start, Signed = true
};
break;
case BinaryFormat:
result = new BinaryAccessor {
Encoding = encoding, Length = length, Start = start, Signed = false
};
break;
default:
if (format != null && format.StartsWith(AsciiDecimalFormat))
{
int precision = 0;
if (format.Length > 2)
{
precision = int.Parse(format.Substring(2));
result = new AsciiAcessor {
Encoding = encoding, Length = length, Start = start, Precision = precision
};
}
else
{
throw new ParsingException("Unknown format: " + format);
}
break;
}
else
{
throw new ParsingException("Unknown format: " + format);
}
}
return(result);
}
