Renamed pv::binding::DeviceOptions and DecoderOptions to Device and Decoder

[pulseview.git] / pv / binding / decoder.cpp

diff --git a/pv/binding/decoder.cpp b/pv/binding/decoder.cpp
new file mode 100644 (file)
index 0000000..dd57160
--- /dev/null
+++ b/pv/binding/decoder.cpp
@@ -0,0 +1,151 @@
+/*
+ * This file is part of the PulseView project.
+ *
+ * Copyright (C) 2013 Joel Holdsworth <joel@airwebreathe.org.uk>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+#include <libsigrokdecode/libsigrokdecode.h>
+
+#include "decoder.hpp"
+
+#include <boost/none_t.hpp>
+
+#include <pv/data/decoderstack.hpp>
+#include <pv/data/decode/decoder.hpp>
+#include <pv/prop/double.hpp>
+#include <pv/prop/enum.hpp>
+#include <pv/prop/int.hpp>
+#include <pv/prop/string.hpp>
+
+using boost::none;
+using std::make_pair;
+using std::map;
+using std::pair;
+using std::shared_ptr;
+using std::string;
+using std::vector;
+
+using pv::prop::Double;
+using pv::prop::Enum;
+using pv::prop::Int;
+using pv::prop::Property;
+using pv::prop::String;
+
+namespace pv {
+namespace binding {
+
+Decoder::Decoder(
+       shared_ptr<pv::data::DecoderStack> decoder_stack,
+       shared_ptr<data::decode::Decoder> decoder) :
+       decoder_stack_(decoder_stack),
+       decoder_(decoder)
+{
+       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](Glib::VariantBase 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> Decoder::bind_enum(
+       const QString &name, const srd_decoder_option *option,
+       Property::Getter getter, Property::Setter setter)
+{
+       vector< pair<Glib::VariantBase, QString> > values;
+       for (GSList *l = option->values; l; l = l->next) {
+               Glib::VariantBase var = Glib::VariantBase((GVariant*)l->data, true);
+               values.push_back(make_pair(var, print_gvariant(var)));
+       }
+
+       return shared_ptr<Property>(new Enum(name, values, getter, setter));
+}
+
+Glib::VariantBase Decoder::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)
+               return Glib::VariantBase(val, true);
+       else
+               return Glib::VariantBase();
+}
+
+void Decoder::setter(const char *id, Glib::VariantBase value)
+{
+       assert(decoder_);
+       decoder_->set_option(id, value.gobj());
+
+       assert(decoder_stack_);
+       decoder_stack_->begin_decode();
+}
+
+} // binding
+} // pv