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/*
* 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, see <http://www.gnu.org/licenses/>.
*/
#include <libsigrokdecode/libsigrokdecode.h>
#include "decoder.hpp"
#include <boost/none_t.hpp>
#include <pv/data/decode/decoder.hpp>
#include <pv/data/decodesignal.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::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::DecodeSignal> decode_signal,
shared_ptr<data::decode::Decoder> decoder) :
decode_signal_(decode_signal),
decoder_(decoder)
{
assert(decoder_);
const srd_decoder *const dec = decoder_->get_srd_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 QString &desc,
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.emplace_back(var, print_gvariant(var));
}
return shared_ptr<Property>(new Enum(name, desc, values, getter, setter));
}
Glib::VariantBase Decoder::getter(const char *id)
{
GVariant *val = nullptr;
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_->get_srd_decoder());
// Get the default value if not
for (GSList *l = decoder_->get_srd_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;
}
}
}
return (val) ? Glib::VariantBase(val, true) : Glib::VariantBase();
}
void Decoder::setter(const char *id, Glib::VariantBase value)
{
assert(decoder_);
decoder_->set_option(id, value.gobj());
assert(decode_signal_);
decode_signal_->begin_decode();
}
} // namespace binding
} // namespace pv
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