If the protobuf mapping is a new mapping, why can't you map the "string-valued enum" to a protobuf enum with the same names? I assume that the "string-valued enum" has a fixed set of possible values?
Oliver On 30 March 2014 00:57, Zhiqian Yuan <[email protected]> wrote: > I understand. I thought there might be a workaround somewhere; > > And yes you can say I am defining a new message format, but what I am > implementing is an existing standard, so I think it would be best to > strictly follow the standard, rather than having to do a lot of external > extra validation. But now it seems that I have to. > > 在 2014年3月30日星期日UTC+8上午4时06分21秒，Oliver写道： > >> On 28 March 2014 15:54, Zhiqian Yuan <[email protected]> wrote: >> >>> Those two fields are string type, but like other integer enumerations, >>> they both have a range to set value. So I decide they should be implemented >>> as string-valued enum type. But there's no such a thing either in C++ or in >>> proto. >>> >> >> There is no such thing as a "string-valued enum type" in the protobuf >> world. You can either have an enum field (that happens to have an integer >> encoding under the covers, but that doesn't really matter to you); or you >> can have a string field and do whatever validation you want externally to >> protobuf. >> >> Are you trying to implement an existing message format, or are you trying >> to define a new message format? If you have control over the format, what's >> wrong with a standard enum field for these fields? >> >> Oliver >> >> -- > You received this message because you are subscribed to the Google Groups > "Protocol Buffers" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at http://groups.google.com/group/protobuf. > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "Protocol Buffers" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/protobuf. For more options, visit https://groups.google.com/d/optout.
