public static void WriteFieldHeader(int fieldNumber, ProtoBuf.WireType wireType, ProtoWriter writer)
{
if (writer == null)
{
throw new ArgumentNullException("writer");
}
if (writer.wireType != ProtoBuf.WireType.None)
{
string[] str = new string[] { "Cannot write a ", wireType.ToString(), " header until the ", writer.wireType.ToString(), " data has been written" };
throw new InvalidOperationException(string.Concat(str));
}
if (fieldNumber < 0)
{
throw new ArgumentOutOfRangeException("fieldNumber");
}
if (writer.packedFieldNumber == 0)
{
writer.fieldNumber = fieldNumber;
writer.wireType = wireType;
ProtoWriter.WriteHeaderCore(fieldNumber, wireType, writer);
return;
}
if (writer.packedFieldNumber != fieldNumber)
{
throw new InvalidOperationException(string.Concat("Field mismatch during packed encoding; expected ", writer.packedFieldNumber.ToString(), " but received ", fieldNumber.ToString()));
}
ProtoBuf.WireType wireType1 = wireType;
switch (wireType1)
{
case ProtoBuf.WireType.Variant:
case ProtoBuf.WireType.Fixed64:
{
writer.fieldNumber = fieldNumber;
writer.wireType = wireType;
return;
}
default:
{
if (wireType1 == ProtoBuf.WireType.Fixed32 || wireType1 == ProtoBuf.WireType.SignedVariant)
{
writer.fieldNumber = fieldNumber;
writer.wireType = wireType;
return;
}
throw new InvalidOperationException(string.Concat("Wire-type cannot be encoded as packed: ", wireType.ToString()));
}
}
}
