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, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
  19  */
  20
  21 #include <cassert>
  22 #include <iostream>
  23 #include <utility>
  24
  25 #include <boost/none_t.hpp>
  26
  27 #include <libsigrokcxx/libsigrokcxx.hpp>
  28
  29 #include <pv/prop/bool.hpp>
  30 #include <pv/prop/double.hpp>
  31 #include <pv/prop/enum.hpp>
  32 #include <pv/prop/int.hpp>
  33 #include <pv/prop/string.hpp>
  34
  35 #include "inputoutput.hpp"
  36
  37 using boost::none;
  38
  39 using std::make_pair;
  40 using std::map;
  41 using std::pair;
  42 using std::shared_ptr;
  43 using std::string;
  44 using std::vector;
  45
  46 using Glib::VariantBase;
  47 using Glib::VariantType;
  48
  49 using sigrok::Option;
  50
  51 using pv::prop::Bool;
  52 using pv::prop::Double;
  53 using pv::prop::Enum;
  54 using pv::prop::Int;
  55 using pv::prop::Property;
  56 using pv::prop::String;
  57
  58 namespace pv {
  59 namespace binding {
  60
  61 InputOutput::InputOutput(
  62         const map<string, shared_ptr<Option>> &options)
  63 {
  64         for (pair<string, shared_ptr<Option>> o : options)
  65         {
  66                 const shared_ptr<Option> &opt = o.second;
  67                 assert(opt);
  68
  69                 const QString name = QString::fromStdString(opt->name());
  70                 const VariantBase def_val = opt->default_value();
  71                 const vector<VariantBase> values = opt->values();
  72
  73                 options_[opt->id()] = def_val;
  74
  75                 const Property::Getter get = [&, opt]() {
  76                         return options_[opt->id()]; };
  77                 const Property::Setter set = [&, opt](VariantBase value) {
  78                         options_[opt->id()] = value; };
  79
  80                 shared_ptr<Property> prop;
  81
  82                 if (!opt->values().empty())
  83                         prop = bind_enum(name, values, get, set);
  84                 else if (def_val.is_of_type(VariantType("b")))
  85                         prop = shared_ptr<Property>(new Bool(name, get, set));
  86                 else if (def_val.is_of_type(VariantType("d")))
  87                         prop = shared_ptr<Property>(new Double(name, 2, "",
  88                                 none, none, get, set));
  89                 else if (def_val.is_of_type(VariantType("i")) ||
  90                         def_val.is_of_type(VariantType("t")) ||
  91                         def_val.is_of_type(VariantType("u")))
  92                         prop = shared_ptr<Property>(
  93                                 new Int(name, "", none, get, set));
  94                 else if (def_val.is_of_type(VariantType("s")))
  95                         prop = shared_ptr<Property>(
  96                                 new String(name, get, set));
  97                 else
  98                         continue;
  99
 100                 properties_.push_back(prop);
 101         }
 102 }
 103
 104 const map<string, VariantBase>& InputOutput::options() const
 105 {
 106         return options_;
 107 }
 108
 109 shared_ptr<Property> InputOutput::bind_enum(
 110         const QString &name, const vector<VariantBase> &values,
 111         Property::Getter getter, Property::Setter setter)
 112 {
 113         vector< pair<VariantBase, QString> > enum_vals;
 114         for (VariantBase var : values)
 115                 enum_vals.push_back(make_pair(var, print_gvariant(var)));
 116         return shared_ptr<Property>(new Enum(name, enum_vals, getter, setter));
 117 }
 118
 119 } // namespace binding
 120 } // namespace pv