I uses the following proto and code snippet to access the field options
form a descriptor which is created by Importer.
import "descriptor.proto";
extend google.protobuf.FieldOptions {
optional string index = 10000;
}
message order {
optional string user = 1 [(index) = "hash"];
}
namespace pb = ::google::protobuf;
const google::protobuf::FileDescriptor *
fd=i->Import("order.proto");
google::protobuf::DynamicMessageFactory factory;
const google::protobuf::Descriptor * md=
gfd::getfd()->FindMessageTypeByName("order");
const pb::FieldDescriptor *fd = md->field(0);
const pb::FieldOptions & fo = fd->options();
const pb::Descriptor *fd_from_option = fo.GetDescriptor();
for (int i = 0; i < fd_from_option->field_count(); ++i)
{
const pb::FieldDescriptor *fd = fd_from_option->field(i);
cout<<"["<<fd->full_name()<<"]"<<endl;
}
But Iam getting only the following standard option, So is there any way I
can get all the options including which I defined (index)?
Actually, I want to provide some static attributes to some fields and get
those attributes at the runtime.
[google.protobuf.FieldOptions.ctype]
[google.protobuf.FieldOptions.packed]
[google.protobuf.FieldOptions.lazy]
[google.protobuf.FieldOptions.deprecated]
[google.protobuf.FieldOptions.experimental_map_key]
[google.protobuf.FieldOptions.weak]
[google.protobuf.FieldOptions.uninterpreted_option]
Thank,
Nishar
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