C++ CommandHistory::add方法代码示例

command_result df_liquids (color_ostream &out_, vector <string> & parameters)
{
    if(!out_.is_console())
        return CR_FAILURE;
    Console &out = static_cast<Console&>(out_);

    for(size_t i = 0; i < parameters.size();i++)
    {
        if(parameters[i] == "help" || parameters[i] == "?")
            return CR_WRONG_USAGE;
    }

    if (!Maps::IsValid())
    {
        out.printerr("Map is not available!\n");
        return CR_FAILURE;
    }

    std::vector<std::string> commands;
    bool end = false;

    out << "Welcome to the liquid spawner.\nType 'help' or '?' for a list of available commands, 'q' to quit.\nPress return after a command to confirm." << std::endl;

    while(!end)
    {
        string input = "";

        std::stringstream str;
        print_prompt(str, cur_mode);
        str << "# ";
        if(out.lineedit(str.str(),input,liquids_hist) == -1)
            return CR_FAILURE;
        liquids_hist.add(input);

        commands.clear();
        Core::cheap_tokenise(input, commands);
        string command =  commands.empty() ? "" : commands[0];

        if(command=="help" || command == "?")
        {
            out << "Modes:" << endl
                 << "m             - switch to magma" << endl
                 << "w             - switch to water" << endl
                 << "o             - make obsidian wall instead" << endl
                 << "of            - make obsidian floors" << endl
                 << "rs            - make a river source" << endl
                 << "f             - flow bits only" << endl
                 << "wclean        - remove salt and stagnant flags from tiles" << endl
                 << "Set-Modes (only for magma/water):" << endl
                 << "s+            - only add" << endl
                 << "s.            - set" << endl
                 << "s-            - only remove" << endl
                 << "Properties (only for magma/water):" << endl
                 << "f+            - make the spawned liquid flow" << endl
                 << "f.            - don't change flow state (read state in flow mode)" << endl
                 << "f-            - make the spawned liquid static" << endl
                 << "Permaflow (only for water):" << endl
                 << "pf.           - don't change permaflow state" << endl
                 << "pf-           - make the spawned liquid static" << endl
                 << "pf[NS][EW]    - make the spawned liquid permanently flow" << endl
                 << "0-7           - set liquid amount" << endl
                 << "Brush:" << endl
                 << "point         - single tile [p]" << endl
                 << "range         - block with cursor at bottom north-west [r]" << endl
                 << "                (any place, any size)" << endl
                 << "block         - DF map block with cursor in it" << endl
                 << "                (regular spaced 16x16x1 blocks)" << endl
                 << "column        - Column from cursor, up through free space" << endl
                 << "flood         - Flood-fill water tiles from cursor" << endl
                 << "                (only makes sense with wclean)" << endl
                 << "Other:" << endl
                 << "q             - quit" << endl
                 << "help or ?     - print this list of commands" << endl
                 << "empty line    - put liquid" << endl
                 << endl
                 << "Usage: point the DF cursor at a tile you want to modify" << endl
                 << "and use the commands available :)" << endl;
            out << endl << "Settings will be remembered until you quit DF. You can call liquids-here to execute the last configured action. Useful in combination with keybindings." << endl;
        }
        else if(command == "m")
        {
            cur_mode.paint = P_MAGMA;
        }
        else if(command == "o")
        {
            cur_mode.paint = P_OBSIDIAN;
        }
        else if(command == "of")
        {
            cur_mode.paint = P_OBSIDIAN_FLOOR;
        }
        else if(command == "w")
        {
            cur_mode.paint = P_WATER;
        }
        else if(command == "f")
        {
            cur_mode.paint = P_FLOW_BITS;
        }
        else if(command == "rs")
//.........这里部分代码省略.........

command_result df_liquids (color_ostream &out_, vector <string> & parameters)
{
    if(!out_.is_console())
        return CR_FAILURE;
    Console &out = static_cast<Console&>(out_);

    for(size_t i = 0; i < parameters.size();i++)
    {
        if(parameters[i] == "help" || parameters[i] == "?")
        {
            out.print(  "This tool allows placing magma, water and other similar things.\n"
                        "It is interactive and further help is available when you run it.\n"
                        "The settings will be remembered until dfhack is closed and you can call\n"
                        "'liquids-here' (mapped to a hotkey) to paint liquids at the cursor position\n"
                        "without the need to go back to the dfhack console.\n");
            return CR_OK;
        }
    }

    if (!Maps::IsValid())
    {
        out.printerr("Map is not available!\n");
        return CR_FAILURE;
    }

    bool end = false;

    out << "Welcome to the liquid spawner.\nType 'help' or '?' for a list of available commands, 'q' to quit.\nPress return after a command to confirm." << std::endl;

    while(!end)
    {
        string command = "";

        std::stringstream str;
        str <<"[" << mode << ":" << brushname;
        if (brushname == "range")
            str << "(w" << width << ":h" << height << ":z" << z_levels << ")";
        str << ":" << amount << ":" << flowmode << ":" << setmode << "]#";
        if(out.lineedit(str.str(),command,liquids_hist) == -1)
            return CR_FAILURE;
        liquids_hist.add(command);

        if(command=="help" || command == "?")
        {
            out << "Modes:" << endl
                 << "m             - switch to magma" << endl
                 << "w             - switch to water" << endl
                 << "o             - make obsidian wall instead" << endl
                 << "of            - make obsidian floors" << endl
                 << "rs            - make a river source" << endl
                 << "f             - flow bits only" << endl
                 << "wclean        - remove salt and stagnant flags from tiles" << endl
                 << "Set-Modes (only for magma/water):" << endl
                 << "s+            - only add" << endl
                 << "s.            - set" << endl
                 << "s-            - only remove" << endl
                 << "Properties (only for magma/water):" << endl
                 << "f+            - make the spawned liquid flow" << endl
                 << "f.            - don't change flow state (read state in flow mode)" << endl
                 << "f-            - make the spawned liquid static" << endl
                 << "0-7           - set liquid amount" << endl
                 << "Brush:" << endl
                 << "point         - single tile [p]" << endl
                 << "range         - block with cursor at bottom north-west [r]" << endl
                 << "                (any place, any size)" << endl
                 << "block         - DF map block with cursor in it" << endl
                 << "                (regular spaced 16x16x1 blocks)" << endl
                 << "column        - Column from cursor, up through free space" << endl
                 << "flood         - Flood-fill water tiles from cursor" << endl
                 << "                (only makes sense with wclean)" << endl
                 << "Other:" << endl
                 << "q             - quit" << endl
                 << "help or ?     - print this list of commands" << endl
                 << "empty line    - put liquid" << endl
                 << endl
                 << "Usage: point the DF cursor at a tile you want to modify" << endl
                 << "and use the commands available :)" << endl;
            out << endl << "Settings will be remembered until you quit DF. You can call liquids-here to execute the last configured action. Useful in combination with keybindings." << endl;
        }
        else if(command == "m")
        {
            mode = "magma";
        }
        else if(command == "o")
        {
            mode = "obsidian";
        }
        else if(command == "of")
        {
            mode = "obsidian_floor";
        }
        else if(command == "w")
        {
            mode = "water";
        }
        else if(command == "f")
        {
            mode = "flowbits";
        }
        else if(command == "rs")
//.........这里部分代码省略.........

        int prompt_loop(mutex * lock, CommandHistory & history)
        {
            int fd = STDIN_FILENO;
            size_t plen = prompt.size();
            int history_index = 0;
            raw_buffer.clear();
            raw_cursor = 0;
            /* The latest history entry is always our current buffer, that
             * initially is just an empty string. */
            const std::string empty;
            history.add(empty);
            if (::write(fd,prompt.c_str(),prompt.size()) == -1) return -1;
            while(1)
            {
                unsigned char c;
                int isok;
                unsigned char seq[2], seq2;
                lock->unlock();
                if(!read_char(c))
                {
                    lock->lock();
                    return -2;
                }
                lock->lock();
                /* Only autocomplete when the callback is set. It returns < 0 when
                 * there was an error reading from fd. Otherwise it will return the
                 * character that should be handled next. */
                if (c == 9)
                {
                    /*
                    if( completionCallback != NULL) {
                        c = completeLine(fd,prompt,buf,buflen,&len,&pos,cols);
                        // Return on errors
                        if (c < 0) return len;
                        // Read next character when 0
                        if (c == 0) continue;
                    }
                    else
                    {
                        // ignore tab
                        continue;
                    }
                    */
                    // just ignore tabs
                    continue;
                }

                switch(c)
                {
                case 13:    // enter
                    history.remove();
                    return raw_buffer.size();
                case 3:     // ctrl-c
                    errno = EAGAIN;
                    return -1;
                case 127:   // backspace
                case 8:     // ctrl-h
                    if (raw_cursor > 0 && raw_buffer.size() > 0)
                    {
                        raw_buffer.erase(raw_cursor-1,1);
                        raw_cursor--;
                        prompt_refresh();
                    }
                    break;
                case 27:    // escape sequence
                    lock->unlock();
                    if(!read_char(seq[0]) || !read_char(seq[1]))
                    {
                        lock->lock();
                        return -2;
                    }
                    lock->lock();
                    if(seq[0] == '[')
                    {
                        if (seq[1] == 'D')
                        {
                            left_arrow:
                            if (raw_cursor > 0)
                            {
                                raw_cursor--;
                                prompt_refresh();
                            }
                        }
                        else if ( seq[1] == 'C')
                        {
                            right_arrow:
                            /* right arrow */
                            if (raw_cursor != raw_buffer.size())
                            {
                                raw_cursor++;
                                prompt_refresh();
                            }
                        }
                        else if (seq[1] == 'A' || seq[1] == 'B')
                        {
                            /* up and down arrow: history */
                            if (history.size() > 1)
                            {
                                /* Update the current history entry before to
                                 * overwrite it with tne next one. */
//.........这里部分代码省略.........