/// <summary>
/// Parse a single field from <paramref name="input"/> and merge it
/// into this set.
/// </summary>
/// <param name="input">The coded input stream containing the field</param>
/// <returns>false if the tag is an "end group" tag, true otherwise</returns>
private void MergeFieldFrom(CodedInputStream input)
{
uint tag = input.LastTag;
int number = WireFormat.GetTagFieldNumber(tag);
switch (WireFormat.GetTagWireType(tag))
{
case WireFormat.WireType.Varint:
{
ulong uint64 = input.ReadUInt64();
GetOrAddField(number).AddVarint(uint64);
return;
}
case WireFormat.WireType.Fixed32:
{
uint uint32 = input.ReadFixed32();
GetOrAddField(number).AddFixed32(uint32);
return;
}
case WireFormat.WireType.Fixed64:
{
ulong uint64 = input.ReadFixed64();
GetOrAddField(number).AddFixed64(uint64);
return;
}
case WireFormat.WireType.LengthDelimited:
{
ByteString bytes = input.ReadBytes();
GetOrAddField(number).AddLengthDelimited(bytes);
return;
}
case WireFormat.WireType.StartGroup:
{
input.SkipGroup(tag);
return;
}
case WireFormat.WireType.EndGroup:
{
throw new InvalidProtocolBufferException("Merge an unknown field of end-group tag, indicating that the corresponding start-group was missing.");
}
default:
throw new InvalidOperationException("Wire Type is invalid.");
}
}