pv/binding/inputoutput.cpp

   1 /*
   2  * This file is part of the PulseView project.
   3  *
   4  * Copyright (C) 2015 Joel Holdsworth <joel@airwebreathe.org.uk>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 #include <cassert>
  21 #include <iostream>
  22 #include <utility>
  23
  24 #include <boost/none_t.hpp>
  25
  26 #include <libsigrokcxx/libsigrokcxx.hpp>
  27
  28 #include <pv/prop/bool.hpp>
  29 #include <pv/prop/double.hpp>
  30 #include <pv/prop/enum.hpp>
  31 #include <pv/prop/int.hpp>
  32 #include <pv/prop/string.hpp>
  33
  34 #include "inputoutput.hpp"
  35
  36 using boost::none;
  37
  38 using std::map;
  39 using std::pair;
  40 using std::shared_ptr;
  41 using std::string;
  42 using std::vector;
  43
  44 using Glib::VariantBase;
  45 using Glib::VariantType;
  46
  47 using sigrok::Option;
  48
  49 using pv::prop::Bool;
  50 using pv::prop::Double;
  51 using pv::prop::Enum;
  52 using pv::prop::Int;
  53 using pv::prop::Property;
  54 using pv::prop::String;
  55
  56 namespace pv {
  57 namespace binding {
  58
  59 InputOutput::InputOutput(
  60         const map<string, shared_ptr<Option>> &options)
  61 {
  62         for (pair<string, shared_ptr<Option>> o : options) {
  63                 const shared_ptr<Option> &opt = o.second;
  64                 assert(opt);
  65
  66                 const QString name = QString::fromStdString(opt->name());
  67                 const QString desc = QString::fromStdString(opt->description());
  68                 const VariantBase def_val = opt->default_value();
  69                 const vector<VariantBase> values = opt->values();
  70
  71                 options_[opt->id()] = def_val;
  72
  73                 const Property::Getter get = [&, opt]() {
  74                         return options_[opt->id()]; };
  75                 const Property::Setter set = [&, opt](VariantBase value) {
  76                         options_[opt->id()] = value; };
  77
  78                 shared_ptr<Property> prop;
  79
  80                 if (!opt->values().empty())
  81                         prop = bind_enum(name, desc, values, get, set);
  82                 else if (def_val.is_of_type(VariantType("b")))
  83                         prop = shared_ptr<Property>(new Bool(name, desc, get, set));
  84                 else if (def_val.is_of_type(VariantType("d")))
  85                         prop = shared_ptr<Property>(new Double(name, desc, 2, "",
  86                                 none, none, get, set));
  87                 else if (def_val.is_of_type(VariantType("i")) ||
  88                         def_val.is_of_type(VariantType("t")) ||
  89                         def_val.is_of_type(VariantType("u")))
  90                         prop = shared_ptr<Property>(
  91                                 new Int(name, desc, "", none, get, set));
  92                 else if (def_val.is_of_type(VariantType("s")))
  93                         prop = shared_ptr<Property>(
  94                                 new String(name, desc, get, set));
  95                 else
  96                         continue;
  97
  98                 properties_.push_back(prop);
  99         }
 100 }
 101
 102 const map<string, VariantBase>& InputOutput::options() const
 103 {
 104         return options_;
 105 }
 106
 107 shared_ptr<Property> InputOutput::bind_enum(
 108         const QString &name, const QString &desc, const vector<VariantBase> &values,
 109         Property::Getter getter, Property::Setter setter)
 110 {
 111         vector< pair<VariantBase, QString> > enum_vals;
 112         for (VariantBase var : values)
 113                 enum_vals.emplace_back(var, print_gvariant(var));
 114         return shared_ptr<Property>(new Enum(name, desc, enum_vals, getter, setter));
 115 }
 116
 117 } // namespace binding
 118 } // namespace pv