private int WriteField(Context context, Integer field, object fieldValue)
{
byte[] buffer = context.Buffer;
int length = field.LengthSpecified ? field.Length : 4;
bool signed = field.Signed;
if (field.GetType() == typeof(Int8))
{
length = 1;
signed = true;
}
else if (field.GetType() == typeof(Opc.Cpx.Int16))
{
length = 2;
signed = true;
}
else if (field.GetType() == typeof(Opc.Cpx.Int32))
{
length = 4;
signed = true;
}
else if (field.GetType() == typeof(Opc.Cpx.Int64))
{
length = 8;
signed = true;
}
else if (field.GetType() == typeof(UInt8))
{
length = 1;
signed = false;
}
else if (field.GetType() == typeof(Opc.Cpx.UInt16))
{
length = 2;
signed = false;
}
else if (field.GetType() == typeof(Opc.Cpx.UInt32))
{
length = 4;
signed = false;
}
else if (field.GetType() == typeof(Opc.Cpx.UInt64))
{
length = 8;
signed = false;
}
if (buffer == null)
{
return(length);
}
if ((buffer.Length - context.Index) < length)
{
throw new InvalidDataToWriteException("Unexpected end of buffer.");
}
byte[] bytes = null;
if (!signed)
{
switch (length)
{
case 1:
bytes = new byte[] { Convert.ToByte(fieldValue) };
goto Label_0205;
case 2:
bytes = BitConverter.GetBytes(Convert.ToUInt16(fieldValue));
goto Label_0205;
case 4:
bytes = BitConverter.GetBytes(Convert.ToUInt32(fieldValue));
goto Label_0205;
case 8:
bytes = BitConverter.GetBytes(Convert.ToUInt64(fieldValue));
goto Label_0205;
}
}
else
{
switch (length)
{
case 1:
{
bytes = new byte[1];
sbyte num2 = Convert.ToSByte(fieldValue);
if (num2 >= 0)
{
bytes[0] = (byte)num2;
}
else
{
bytes[0] = (byte)((0xff + num2) + 1);
}
goto Label_0205;
}
case 2:
bytes = BitConverter.GetBytes(Convert.ToInt16(fieldValue));
goto Label_0205;
case 4:
bytes = BitConverter.GetBytes(Convert.ToInt32(fieldValue));
goto Label_0205;
case 8:
bytes = BitConverter.GetBytes(Convert.ToInt64(fieldValue));
goto Label_0205;
}
bytes = (byte[])fieldValue;
goto Label_0205;
}
bytes = (byte[])fieldValue;
Label_0205:
if (context.BigEndian)
{
base.SwapBytes(bytes, 0, length);
}
for (int i = 0; i < bytes.Length; i++)
{
buffer[context.Index + i] = bytes[i];
}
return(length);
}
