On Wed, Jun 5, 2013 at 2:44 AM, Channakeshava S C <
channakeshava...@gmail.com> wrote:
> I am facing problem in getting protobuf Message with extension from JSON
> string {"xyz": [1234,2345,3456],"extensions":{"bar": [1,11,111]}} which is
> generated from Foo.
>
> message Foo {
> repeated int32 xyz = 11;
> extensions 100 to 199;
> }
>
> extend Foo {
> repeated int32 bar = 123;
> }
>
> The word "extensions" in the JSON stirng is just added to differentiate
> with other normal fileds.
>
> Now, when I try to deserialize protobuf, i.e protobuf Message from JSON
> string. Facing difficulty here.
>
> fd is NULL, when FindExtensionByName or FindKnownExtensionByName is called
> .
>
> Foo foo;
> Message *x = &foo;
> const FiledDescriptor *fd;
>
> fd = x->GetDescriptor()->FindExtensionByName("bar") or
> fd = x->GetReflection()->FindKnownExtensionByName("bar");
>
Is the extension defined in the same .proto file with the message? The
second one should work.
>
> Could you point out any error in steps which I am following or Is there
> any other better approach?
>
>
> Thanks,
> Channakeshava
>
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