/// <summary>
/// Deserialize into an existing IBinarySerializable object.
/// </summary>
/// <param name="buffer">The buffer containing the serialized data.</param>
/// <param name="start">The start index in the buffer of the serialized object.</param>
/// <param name="value">The deserialized object.</param>
/// <returns>The number of deserialized bytes.</returns>
public uint FromBytesOverwrite(Buffer buffer, uint start, IBinarySerializable value)
{
Type type;
CheckDeserializationParameters(buffer, start);
uint read = FromBytes(buffer, start, out type);
if (type != null)
{
if (!type.IsAssignableFrom(value.GetType()))
{
throw new FormatException("The type of IBynarySerializable object does not match the provided object.");
}
read += value.FromBytes(this, buffer, start + read);
}
else
{
// Nothing to do: we got nothing to deserialize and the value already exists, so returning null is not an option.
// It would be great to notify the user, but we do have a mecanism for that, and raising an exception would stop
// the deserialization, but this should just be a warning.
}
return(read);
}
/// <summary>
/// Deserialize a IBinarySerializable object.
/// </summary>
/// <param name="buffer">The buffer containing the serialized data.</param>
/// <param name="start">The start index in the buffer of the serialized object.</param>
/// <param name="value">The deserialized object.</param>
/// <returns>The number of deserialized bytes.</returns>
public uint FromBytes(Buffer buffer, uint start, out IBinarySerializable value)
{
Type type;
CheckDeserializationParameters(buffer, start);
uint read = FromBytes(buffer, start, out type);
if (type != null)
{
CallDefaultConstructor(type, out value);
read += value.FromBytes(this, buffer, start + read);
}
else
{
value = null;
}
return(read);
}