C++ tinygettext::DictionaryManager类代码示例

void initFactories()
{
    static bool initialized = false;
    if(!initialized) {
        new INTERN_ButtonFactory();
        new INTERN_DesktopFactory();
        new INTERN_DocumentFactory();
        new INTERN_FilledRectangleFactory();
        new INTERN_GradientFactory();
        new INTERN_ImageFactory();
        new INTERN_PanelFactory();
        new INTERN_ParagraphFactory();
        new INTERN_ScrollBarFactory();
        new INTERN_ScrollViewFactory();
        new INTERN_SwitchComponentFactory();
        new INTERN_TableLayoutFactory();
        new INTERN_TooltipManagerFactory();
        new INTERN_WindowFactory();
        new ImportFactory();

        dictionaryGUIManager.set_charset("UTF-8");
        dictionaryGUIManager.add_directory("locale/gui");

        initialized = true;
    }
}

void
PingusMain::apply_args()
{
  // FIXME: merge cmd_options with stuff read from config file here
  auto& options = cmd_options;

  // Mode toggles
  if (options.list_languages.is_set() &&
      options.list_languages.get())
  { // language listing only works after the data path has been set
    std::cout << "Available languages are:" << std::endl;
    std::cout << "========================" << std::endl;
    std::set<tinygettext::Language> lst = dictionary_manager.get_languages();
    for (std::set<tinygettext::Language>::iterator i = lst.begin(); i != lst.end(); ++i)
      std::cout << i->get_name() << " (" << i->str() << ")" << std::endl;

    std::cout << "\nLanguages can be used via:\n\n    pingus --language de\n" << std::endl; 

    exit(EXIT_SUCCESS);
  }

  if (options.software_cursor.is_set())
    globals::software_cursor = options.software_cursor.get();

  // Sound
  if (options.disable_music.is_set())
    globals::music_enabled = !options.disable_music.get();

  if (options.disable_sound.is_set())
    globals::sound_enabled = !options.disable_sound.get();

  // Misc
  if (options.language.is_set())
    dictionary_manager.set_language(tinygettext::Language::from_name(options.language.get()));

  if (options.auto_scrolling.is_set())
    globals::auto_scrolling = options.auto_scrolling.get();

  if (options.drag_drop_scrolling.is_set())
    globals::drag_drop_scrolling = options.drag_drop_scrolling.get();
  
  if (options.developer_mode.is_set())
    globals::developer_mode = options.developer_mode.get();

  if (options.speed.is_set())
    globals::game_speed = options.speed.get();

  if (options.desiredfps.is_set())
    globals::desired_fps = options.desiredfps.get();

  if (options.tile_size.is_set())
    globals::tile_size = options.tile_size.get();
}

// Get all filenames and directories
void
PingusMain::init_path_finder()
{
  if (cmd_options.userdir.is_set())
    System::set_userdir(cmd_options.userdir.get());

  System::init_directories();

  if (cmd_options.datadir.is_set())
  {
    g_path_manager.set_path(cmd_options.datadir.get());
  }
  else
  { // do magic to guess the datadir
#if defined(__APPLE__)
    char resource_path[PATH_MAX];
    CFURLRef ref = CFBundleCopyResourcesDirectoryURL(CFBundleGetMainBundle());
    if (!ref || !CFURLGetFileSystemRepresentation(ref, true, (UInt8*)resource_path, PATH_MAX))
    {
      std::cout << "Error: Couldn't get Resources path.\n" << std::endl;
      exit(EXIT_FAILURE);
    }
    CFRelease(ref);
    g_path_manager.set_path("data");
#else
    g_path_manager.set_path("data"); // assume game is run from source dir
#endif
  }

  // Language is automatically picked from env variable
  //dictionary_manager.set_language(tinygettext::Language::from_env("it_IT.utf8")); // maybe overwritten by file ~/.pingus/config
  dictionary_manager.add_directory(g_path_manager.complete("po/"));
}

void
PingusMain::print_greeting_message()
{
  std::string greeting = "Welcome to Pingus 0.7.6"/*VERSION*/;
  greeting += "!";
  std::cout <<  greeting << std::endl;
  for (unsigned int i = 0; i < greeting.length(); ++i)
    std::cout.put('=');
  std::cout << std::endl;

  std::cout << "userdir:                 " << System::get_userdir() << std::endl;
  std::cout << "datadir:                 " << g_path_manager.get_path() << std::endl;
  std::cout << "language:                " 
            << dictionary_manager.get_language().get_name()
            << " ("
            << dictionary_manager.get_language().str() 
            << ")"
            << std::endl;

  if (globals::sound_enabled)
    std::cout << "sound support:           enabled" << std::endl;
  else
    std::cout << "sound support:           disabled" << std::endl;

  if (globals::music_enabled)
    std::cout << "music support:           enabled" << std::endl;
  else
    std::cout << "music support:           disabled" << std::endl;

  std::cout << "fullscreen:              ";
  if (cmd_options.fullscreen.is_set() && cmd_options.fullscreen.get())
  {
    std::cout << cmd_options.fullscreen_resolution.get().width << "x"
              << cmd_options.fullscreen_resolution.get().height << std::endl;
  }
  else
  {
    std::cout << "disabled" << std::endl;
  }

  std::cout << std::endl;
}

/**
 * @brief Loads a localization file
 * @param[in] language
 */
void I18N_SetLanguage(const char *language)
{
	// TODO: check if there is a localization file available for the selected language
	dictionary.set_language(tinygettext::Language::from_env(std::string(language)));
	dictionary_mod.set_language(tinygettext::Language::from_env(std::string(language)));

	Com_Printf("Language set to %s\n", dictionary.get_language().get_name().c_str());
	Com_sprintf(cl_lang_last, sizeof(cl_lang_last), "%s", language);

	if (!Q_stricmp(cl_lang->string, "en"))
	{
		doTranslate = qfalse;
	}
	else
	{
		doTranslate = qtrue;
	}

	strings.clear();
}

void
ConfigManager::set_language(const tinygettext::Language& v)
{
  log_info("%1%", v.str());

  if (v != get_language())
  {
    dictionary_manager.set_language(v);
    on_language_change(v);
  }

  m_opts.language.set(v.str());
}

/**
 * @brief Attempts to detect the system language unless cl_lang was already set.
 * Then loads the PO file containing translated strings.
 */
void I18N_Init(void)
{
	FL_Locale                       *locale;
	std::set<tinygettext::Language> languages;
	std::set<tinygettext::Language> languages_mod;

	cl_lang      = Cvar_Get("cl_lang", "en", CVAR_ARCHIVE | CVAR_LATCH);
	cl_langDebug = Cvar_Get("cl_langDebug", "0", CVAR_ARCHIVE);

	tinygettext::Log::set_log_error_callback(&Tinygettext_Error);
	tinygettext::Log::set_log_info_callback(&Tinygettext_Info);
	tinygettext::Log::set_log_warning_callback(&Tinygettext_Warning);

	FL_FindLocale(&locale);

	// Do not change the language if it is already set
	if (!cl_lang->string[0])
	{
		// locale->country is also supported for 'en_US' format
		if (locale->lang && locale->lang[0])
		{
			Cvar_Set("cl_lang", va("%s", locale->lang));
		}
		else
		{
			// Language detection failed. Fallback to English
			Cvar_Set("cl_lang", "en");
		}
	}

	dictionary.set_filesystem(std::auto_ptr<tinygettext::FileSystem>(new QFileSystem));
	dictionary_mod.set_filesystem(std::auto_ptr<tinygettext::FileSystem>(new QFileSystem));

	dictionary.add_directory("locale/client");
	dictionary_mod.add_directory("locale/mod");

	languages = dictionary.get_languages();
	Com_Printf("Available client translations:");
	for (std::set<tinygettext::Language>::iterator p = languages.begin(); p != languages.end(); p++)
	{
		Com_Printf(" %s", p->get_name().c_str());
	}
	Com_Printf("\n");

	languages_mod = dictionary_mod.get_languages();
	Com_Printf("Available mod translations:");
	for (std::set<tinygettext::Language>::iterator p = languages_mod.begin(); p != languages_mod.end(); p++)
	{
		Com_Printf(" %s", p->get_name().c_str());
	}
	Com_Printf("\n");

	I18N_SetLanguage(cl_lang->string);
	FL_FreeLocale(&locale);
}

OptionMenu::OptionMenu() :
  m_background("core/menu/wood"),
  m_blackboard("core/menu/blackboard"),
  ok_button(),
  x_pos(),
  y_pos(),
  options(),
  fullscreen_box(),
  software_cursor_box(),
  autoscroll_box(),
  dragdrop_scroll_box(),
  mousegrab_box(),
  printfps_box(),
  master_volume_box(),
  sound_volume_box(),
  music_volume_box(),
  //defaults_label(),
  //defaults_box(),
  connections(),
  m_language(),
  m_language_map()
{
  gui_manager->add(ok_button = new OptionMenuCloseButton(this, 
                                                         Display::get_width()/2 + 245,
                                                         Display::get_height()/2 + 150));

  x_pos = 0;
  y_pos = 0;

  ChoiceBox* resolution_box = new ChoiceBox(Rect());
  {
    std::vector<SDL_DisplayMode> resolutions = Display::get_fullscreen_video_modes();
    Size fullscreen = config_manager.get_fullscreen_resolution();

    int choice = static_cast<int>(resolutions.size()) - 1;
    for (auto it = resolutions.begin(); it != resolutions.end(); ++it)
    {
      // add resolution to the box
      std::ostringstream ostr;
      ostr << it->w << "x" << it->h << "@" << it->refresh_rate;
      resolution_box->add_choice(ostr.str());

      // FIXME: ignoring refresh_rate
      if (fullscreen.width == it->w &&
          fullscreen.height == it->h)
      {
        choice = static_cast<int>(it - resolutions.begin());
      }
    }

    resolution_box->set_current_choice(choice);
  }

  ChoiceBox* renderer_box = new ChoiceBox(Rect());
  renderer_box->add_choice("sdl");
  renderer_box->add_choice("delta");
  renderer_box->add_choice("opengl");

  switch(config_manager.get_renderer())
  {
    case SDL_FRAMEBUFFER:    renderer_box->set_current_choice(0); break;
    case DELTA_FRAMEBUFFER:  renderer_box->set_current_choice(1); break;
    case OPENGL_FRAMEBUFFER: renderer_box->set_current_choice(2); break;
    default: assert(!"unknown renderer type");
  }
  
  m_language = dictionary_manager.get_language();

  ChoiceBox* language_box = new ChoiceBox(Rect());
  {
    std::set<tinygettext::Language> languages = dictionary_manager.get_languages();

    // English is the default language, thus it's not in the list of
    // languages returned by tinygettext and we have to add it manually
    languages.insert(tinygettext::Language::from_name("en"));

    std::vector<tinygettext::Language> langs(languages.begin(), languages.end());
    std::sort(langs.begin(), langs.end(), LanguageSorter());

    for (auto i = langs.begin(); i != langs.end(); ++i)
    {
      m_language_map[i->get_name()] = *i;
      language_box->add_choice(i->get_name());

      if (m_language == *i)
      {
        language_box->set_current_choice(static_cast<int>(i - langs.begin()));
      }
    }
  }

  ChoiceBox* scroll_box = new ChoiceBox(Rect());
  scroll_box->add_choice("Drag&Drop");
  scroll_box->add_choice("Rubberband");

  software_cursor_box = new CheckBox(Rect());
  fullscreen_box      = new CheckBox(Rect());
  autoscroll_box      = new CheckBox(Rect());
  dragdrop_scroll_box = new CheckBox(Rect());
  mousegrab_box       = new CheckBox(Rect());
//.........这里部分代码省略.........

static inline const char* N_(const char* id, const char* id2, int num)
{
  return dictionary_manager.get_dictionary().translate(id, id2, num).c_str();
}

int
PingusMain::run(int argc, char** argv)
{
  g_logger.set_log_level(Logger::kWarning);

  tinygettext::Log::set_log_info_callback(0);

  try
  {
    // FIXME force set language using System::get_language() to get it from env
    dictionary_manager.set_language(tinygettext::Language::from_env(System::get_language()));
    
    parse_args(argc, argv); // here language and po dir isn't set, no traslation in command line
    init_path_finder(); // here init language path
    read_rc_file(); // here set language if ~/.pingus/config exist and language value is set
    apply_args(); // here set language if arg -l is specified
    
    print_greeting_message();
    
    // init the display
    FramebufferType fbtype = SDL_FRAMEBUFFER; 
    if (cmd_options.framebuffer_type.is_set())
    {
      fbtype = cmd_options.framebuffer_type.get();
    }

    bool fullscreen = cmd_options.fullscreen.is_set() ? cmd_options.fullscreen.get() : false;
    bool resizable  = cmd_options.resizable.is_set()  ? cmd_options.resizable.get()  : true;

    Size screen_size(800, 600);
    if (fullscreen)
    {
      if (cmd_options.fullscreen_resolution.is_set())
      {
        screen_size = cmd_options.fullscreen_resolution.get();
      }
    }
    else
    {
      if (cmd_options.geometry.is_set())
      {
        screen_size = cmd_options.geometry.get();
      }
    }

    SDLSystem system;
    try
    {
      system.create_window(fbtype, screen_size, fullscreen, resizable);
    }
    catch(const std::exception& err)
    {
      if (fbtype == SDL_FRAMEBUFFER)
      {
        throw;
      }
      else
      {
        log_error("couldn't create window, falling back to SDL: " << err.what());
        system.create_window(SDL_FRAMEBUFFER, screen_size, fullscreen, resizable);
        config_manager.set_renderer(SDL_FRAMEBUFFER);
      }
    }

    // init other components
    SavegameManager savegame_manager("savegames/savegames.scm");
    StatManager stat_manager("savegames/variables.scm");

    // FIXME: turn these into RAII 
    Resource::init();
    Fonts::init();
    Sound::PingusSound::init();
    
    config_manager.apply(cmd_options);

    // start and run the actual game
    start_game();
  }
  catch (const std::bad_alloc&) 
  {
    std::cout << _("Pingus: Out of memory!") << std::endl;
  }
  catch (const std::exception& a) 
  {
    std::cout << _("Pingus: Standard exception caught!:\n") << a.what() << std::endl;
  }
  catch (...) 
  {
    std::cout << _("Pingus: Unknown throw caught!") << std::endl;
  }

  Sound::PingusSound::deinit();
  Fonts::deinit();
  WorldObjFactory::deinit();
  Resource::deinit();

  return 0;
}

static void init_tinygettext()
{
  dictionary_manager.add_directory("locale");
  dictionary_manager.set_charset("UTF-8");
}

OptionMenu::OptionMenu() :
  background(),
  ok_button(),
  x_pos(),
  y_pos(),
  options(),
  fullscreen_box(),
  swcursor_box(),
  autoscroll_box(),
  mousegrab_box(),
  printfps_box(),
  master_volume_box(),
  sound_volume_box(),
  music_volume_box(),
  defaults_label(),
  defaults_box(),
  connections(),
  language(),
  language_map()
{
  background = Sprite("core/menu/optionmenu");
  gui_manager->add(ok_button = new OptionMenuCloseButton(this, 
                                                         Display::get_width()/2 + 225,
                                                         Display::get_height()/2 + 125));

  x_pos = 0;
  y_pos = 0;

  int resolutions[][2] = {
    { 640, 480 },   // 4:3, VGA
    { 768, 576 },   // 4:3, PAL
    { 800, 480 },   // Nokia N770, N800
    { 800, 600 },   // 4:3, SVGA
    { 1024, 768 },  // 4:3, XGA
    { 1152, 864 },  // 4:3
    { 1280, 720 },  // 16:9, HD-TV, 720p
    { 1280, 960 },  // 4:3
    { 1280, 1024 }, // 5:4
    { 1366, 768 },  // ~16:9, Wide XGA
    { 1440, 900, }, // 16:10
    { 1600, 1200 }, // 4:3, UXGA
    { 1680, 1050 }, // 16:10, WSXGA
    { 1920, 1080 }, // 16:9, HD-TV, 1080p
    { 1920, 1200 }, // 16:10
    { -1, -1 }
  };
  int current_choice = -1;
  int n;

  ChoiceBox* resolution_box = new ChoiceBox(Rect());
  for (n = 0; resolutions[n][0] != -1; ++n)
  {
    std::ostringstream ostr;
    ostr << resolutions[n][0] << "x" << resolutions[n][1];
    resolution_box->add_choice(ostr.str());
    if (Display::get_width()  == resolutions[n][0] &&
        Display::get_height() == resolutions[n][1])
    {
      current_choice = n;
    }
  }
  resolution_box->add_choice("Custom");
  if (current_choice == -1)
    current_choice = n;

  resolution_box->set_current_choice(current_choice);

  tinygettext::Language current_language = dictionary_manager.get_language();
  language = current_language;
  n = 0;

  ChoiceBox* language_box = new ChoiceBox(Rect());
  std::set<tinygettext::Language> languages = dictionary_manager.get_languages();

  for (std::set<tinygettext::Language>::iterator i = languages.begin(); i != languages.end(); ++i)
  {
    language_box->add_choice(i->str());
    if (current_language == *i)
      language_box->set_current_choice(current_choice);
  }

  ChoiceBox* scroll_box = new ChoiceBox(Rect());
  scroll_box->add_choice("Drag&Drop");
  scroll_box->add_choice("Rubberband");
  
  swcursor_box      = new CheckBox(Rect());
  fullscreen_box    = new CheckBox(Rect());
  autoscroll_box    = new CheckBox(Rect());
  mousegrab_box     = new CheckBox(Rect());
  printfps_box      = new CheckBox(Rect());

  master_volume_box = new SliderBox(Rect());
  sound_volume_box  = new SliderBox(Rect());
  music_volume_box  = new SliderBox(Rect());

  C(swcursor_box->on_change.connect(std::bind(&OptionMenu::on_swcursor_change, this, std::placeholders::_1)));
  C(fullscreen_box->on_change.connect(std::bind(&OptionMenu::on_fullscreen_change, this, std::placeholders::_1)));
  C(autoscroll_box->on_change.connect(std::bind(&OptionMenu::on_autoscroll_change, this, std::placeholders::_1)));
  C(mousegrab_box->on_change.connect(std::bind(&OptionMenu::on_mousegrab_change, this, std::placeholders::_1)));
  C(printfps_box->on_change.connect(std::bind(&OptionMenu::on_printfps_change, this, std::placeholders::_1)));
//.........这里部分代码省略.........

const char * 
GUI_TRANSLATE(const char * msgid)
{
    return dictionaryGUIManager.get_dictionary().translate(msgid);
}

std::string N_(const std::string& msg, const std::string& msg_pl, int num) {
  return dictionary_manager.get_dictionary().translate(msg, msg_pl, num);
}

std::string _(const std::string& msg) {
  return dictionary_manager.get_dictionary().translate(msg);
}