pv/devices/inputfile.hpp

   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 #ifndef PULSEVIEW_PV_DEVICES_INPUTFILE_HPP
  21 #define PULSEVIEW_PV_DEVICES_INPUTFILE_HPP
  22
  23 #include <atomic>
  24
  25 #include <libsigrokcxx/libsigrokcxx.hpp>
  26
  27 #include "file.hpp"
  28
  29 #include <QSettings>
  30
  31 using std::atomic;
  32 using std::ifstream;
  33 using std::map;
  34 using std::shared_ptr;
  35 using std::streamsize;
  36 using std::string;
  37
  38 namespace pv {
  39 namespace devices {
  40
  41 class InputFile final : public File
  42 {
  43 private:
  44         static const streamsize BufferSize;
  45
  46 public:
  47         InputFile(const shared_ptr<sigrok::Context> &context,
  48                 const string &file_name,
  49                 shared_ptr<sigrok::InputFormat> format,
  50                 const map<string, Glib::VariantBase> &options);
  51
  52         /**
  53          * Constructor that loads a file using the metadata saved by
  54          * save_meta_to_settings() before.
  55          */
  56         InputFile(const shared_ptr<sigrok::Context> &context,
  57                 QSettings &settings);
  58
  59         void save_meta_to_settings(QSettings &settings);
  60
  61         void open();
  62
  63         void close();
  64
  65         void start();
  66
  67         void run();
  68
  69         void stop();
  70
  71 private:
  72         const shared_ptr<sigrok::Context> context_;
  73         shared_ptr<sigrok::InputFormat> format_;
  74         map<string, Glib::VariantBase> options_;
  75         shared_ptr<sigrok::Input> input_;
  76
  77         ifstream *f;
  78         atomic<bool> interrupt_;
  79 };
  80
  81 } // namespace devices
  82 } // namespace pv
  83
  84 #endif // PULSEVIEW_PV_DEVICES_INPUTFILE_HPP
  85