/// <summary>
/// Writes a integer value from to the buffer.
/// </summary>
private int WriteField(TsCCpxContext context, FloatingPoint field, object fieldValue)
{
byte[] buffer = context.Buffer;
// initialize serialization paramters.
int length = (field.LengthSpecified) ? (int)field.Length : 4;
string format = field.FloatFormat ?? context.FloatFormat;
// apply defaults for built in types.
if (field.GetType() == typeof(Single))
{
length = 4; format = TsCCpxContext.FLOAT_FORMAT_IEEE754;
}
else if (field.GetType() == typeof(Double))
{
length = 8; format = TsCCpxContext.FLOAT_FORMAT_IEEE754;
}
// only write to the buffer if it has been allocated.
if (buffer != null)
{
// check if there is enough data left.
if (buffer.Length - context.Index < length)
{
throw new TsCCpxInvalidDataToWriteException("Unexpected end of buffer.");
}
// copy bytes if required.
byte[] bytes = null;
if (format == TsCCpxContext.FLOAT_FORMAT_IEEE754)
{
switch (length)
{
case 4: { bytes = BitConverter.GetBytes(Convert.ToSingle(fieldValue)); break; }
case 8: { bytes = BitConverter.GetBytes(Convert.ToDouble(fieldValue)); break; }
default: { bytes = (byte[])fieldValue; break; }
}
}
else
{
bytes = (byte[])fieldValue;
}
// write bytes to buffer.
for (int ii = 0; ii < bytes.Length; ii++)
{
buffer[context.Index + ii] = bytes[ii];
}
}
return(length);
}
/// <summary>
/// Reads a floating point value from the buffer.
/// </summary>
private int ReadField(TsCCpxContext context, FloatingPoint field, out object fieldValue)
{
fieldValue = null;
byte[] buffer = context.Buffer;
// initialize serialization paramters.
int length = (field.LengthSpecified) ? (int)field.Length : 4;
string format = field.FloatFormat ?? context.FloatFormat;
// apply defaults for built in types.
if (field.GetType() == typeof(Single))
{
length = 4; format = TsCCpxContext.FLOAT_FORMAT_IEEE754;
}
else if (field.GetType() == typeof(Double))
{
length = 8; format = TsCCpxContext.FLOAT_FORMAT_IEEE754;
}
// check if there is enough data left.
if (buffer.Length - context.Index < length)
{
throw new TsCCpxInvalidDataInBufferException("Unexpected end of buffer.");
}
// copy bytes.
byte[] bytes = new byte[length];
for (int ii = 0; ii < length; ii++)
{
bytes[ii] = buffer[context.Index + ii];
}
// convert to object.
if (format == TsCCpxContext.FLOAT_FORMAT_IEEE754)
{
switch (length)
{
case 4: { fieldValue = BitConverter.ToSingle(bytes, 0); break; }
case 8: { fieldValue = BitConverter.ToDouble(bytes, 0); break; }
default: { fieldValue = bytes; break; }
}
}
else
{
fieldValue = bytes;
}
return(length);
}
