message foo1 { optional int32 value1 = 1; optional int32 value2 = 2; }
message foo2 { optional foo1 stuff1 = 1; optional foo2 stuff2 = 2; } foo1 msg_foo1; foo2 msg_foo2; msg_foo2.set_stuff1(foo1); This is the concept of what I'm trying to do. On Sep 23, 8:25 am, Henner Zeller <h.zel...@acm.org> wrote: > Hi, > > On Wed, Sep 23, 2009 at 08:13, jayt0...@gmail.com <jayt0...@gmail.com> wrote: > > > I am having trouble accessing many members of my .proto file. It > > seems that compound members are not accessible with set_() method > > calls. I saw in your example code the use of mutable_() calls. What > > does this apply to and is there documentation on it? could this be the > > solution to my problem? > > You should describe your problem more closely, it is not quite clear > what you mean. > > If you have a message Bar, that contains a message Foo, say: > > message Foo { > optional int32 value = 1; > > } > > message Bar { > optional Foo foo = 1; > > } > > you would access 'foo' to set a value with > Bar message; > message.mutable_foo()->set_value(42); > If there is no 'foo', it will implicitly be created (so has_bar() will > return 'true' afterwards'). > > .. while accessing can be const > if (message.has_foo()) > printf("%d", message.bar().value()); > > But it sounds like you would like to 'set' a complete Foo message. So > if you want to 'set' a complete Foo, you would use CopyFrom() > Foo foo_message; > foo_message.set_value(42); > > Bar bar_message; > bar_message.mutable_bar()->CopyFrom(foo_message); > > -h --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Protocol Buffers" group. To post to this group, send email to protobuf@googlegroups.com To unsubscribe from this group, send email to protobuf+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/protobuf?hl=en -~----------~----~----~----~------~----~------~--~---