public static object ReadFromStream(this Type type, CodedInputStream input)
{
if (_readHandlers.TryGetValue(type, out var h))
{
return(h(input));
}
else if (type.IsPbMessageType())
{
var obj = (IMessage)Activator.CreateInstance(type);
input.ReadMessage(obj);
return(obj);
}
else if (type.IsUserType())
{
var obj = (UserType)Activator.CreateInstance(type);
var holder = new UserTypeHolder();
input.ReadMessage(holder);
obj.Unpack(holder);
return(obj);
}
else
{
throw new Exception($"Unable to read for type {type}.");
}
}
public void Unpack(UserTypeHolder holder)
{
foreach (var fi in GetFieldInfos())
{
var val = fi.Packer.Unpack(holder.Fields[fi.Name]);
fi.FieldInfo.SetValue(this, val);
}
}
public static T DeserializeToUserType <T>(this byte[] bytes) where T : UserType, new()
{
var obj = new T();
var msg = new UserTypeHolder();
msg.MergeFrom(bytes);
obj.Unpack(msg);
return(obj);
}
public UserTypeHolder Pack()
{
var holder = new UserTypeHolder();
foreach (var fi in GetFieldInfos())
{
var val = fi.FieldInfo.GetValue(this);
holder.Fields.Add(fi.Name, fi.Packer.Pack(val));
}
return(holder);
}
