You could define an enum value option such as string_name and use that in your proto definition, and then write a simple plugin to generate what you need.
Regards, Sumit Kumar > On 31 Mar, 2014, at 12:15 am, Oliver Jowett <[email protected]> wrote: > > 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. -- 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.
