+ assert(_decoder);
+
+ const srd_decoder *const dec = _decoder->decoder();
+ assert(dec);
+
+ for (GSList *l = dec->options; l; l = l->next)
+ {
+ const srd_decoder_option *const opt =
+ (srd_decoder_option*)l->data;
+
+ const QString name = QString::fromUtf8(opt->desc);
+
+ const Property::Getter get = [&, opt]() {
+ return getter(opt->id); };
+ const Property::Setter set = [&, opt](GVariant *value) {
+ setter(opt->id, value); };
+
+ shared_ptr<Property> prop;
+
+ if (opt->values)
+ prop = bind_enum(name, opt, get, set);
+ else if (g_variant_is_of_type(opt->def, G_VARIANT_TYPE("d")))
+ prop = shared_ptr<Property>(new Double(name, 2, "",
+ none, none, get, set));
+ else if (g_variant_is_of_type(opt->def, G_VARIANT_TYPE("x")))
+ prop = shared_ptr<Property>(
+ new Int(name, "", none, get, set));
+ else if (g_variant_is_of_type(opt->def, G_VARIANT_TYPE("s")))
+ prop = shared_ptr<Property>(
+ new String(name, get, set));
+ else
+ continue;
+
+ _properties.push_back(prop);
+ }
+}
+
+shared_ptr<Property> DecoderOptions::bind_enum(
+ const QString &name, const srd_decoder_option *option,
+ Property::Getter getter, Property::Setter setter)
+{
+ vector< pair<GVariant*, QString> > values;
+ for (GSList *l = option->values; l; l = l->next) {
+ GVariant *const var = (GVariant*)l->data;
+ assert(var);
+ values.push_back(make_pair(var, print_gvariant(var)));
+ }
+
+ return shared_ptr<Property>(new Enum(name, values, getter, setter));
+}
+
+GVariant* DecoderOptions::getter(const char *id)
+{
+ GVariant *val = NULL;
+
+ assert(_decoder);
+
+ // Get the value from the hash table if it is already present
+ const map<string, GVariant*>& options = _decoder->options();
+ const auto iter = options.find(id);
+
+ if (iter != options.end())
+ val = (*iter).second;
+ else
+ {
+ assert(_decoder->decoder());
+
+ // Get the default value if not
+ for (GSList *l = _decoder->decoder()->options; l; l = l->next)
+ {
+ const srd_decoder_option *const opt =
+ (srd_decoder_option*)l->data;
+ if (strcmp(opt->id, id) == 0) {
+ val = opt->def;
+ break;
+ }
+ }
+ }
+
+ if (val)
+ g_variant_ref(val);
+
+ return val;
+}
+
+void DecoderOptions::setter(const char *id, GVariant *value)
+{
+ assert(_decoder);
+ _decoder->set_option(id, value);
+
+ assert(_decoder_stack);
+ _decoder_stack->begin_decode();