I am also facing similar issue but problem seems to happen only when
library is complied with -O2 or –Os(optimize for size) with gcc tool chain.
looks like extensions are being treated as dead code and removed by gcc
optimization, any thoughts on overcoming this problem.
Thank you
Giri
On Thursday, 6 June 2013 00:15:14 UTC+5:30, Feng Xiao wrote:
>
>
>
>
> On Wed, Jun 5, 2013 at 2:44 AM, Channakeshava S C <channake...@gmail.com
> <javascript:>> 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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