command_line.cxx

   1 //  $Id: command_line.cxx,v 1.8 2003/07/26 14:43:56 grumbel Exp $
   2 //
   3 //  Construo - A wire-frame construction gamee
   4 //  Copyright (C) 2002 Ingo Ruhnke <grumbel@gmx.de>
   5 //
   6 //  This program is free software; you can redistribute it and/or
   7 //  modify it under the terms of the GNU General Public License
   8 //  as published by the Free Software Foundation; either version 2
   9 //  of the License, or (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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  19
  20 #include <config.h>
  21 #include <iostream>
  22 #include <stdio.h>
  23 #include "settings.hxx"
  24 #include "command_line.hxx"
  25
  26 void
  27 CommandLine::error (const std::string& msg)
  28 {
  29   std::cout << "CommandLine parse failure!" << std::endl;
  30   std::cout << "CommandLine: " << msg << std::endl;
  31   exit(EXIT_FAILURE);
  32 }
  33
  34 void
  35 CommandLine::parse (int argc, char** argv)
  36 {
  37   // FIXME: Replace this with getopt_long() or argp()
  38   for (int i = 1; i < argc; ++i) // Skip Programm name
  39     {
  40       //std::cout << "Arg: " << argv[i] << std::endl;
  41
  42       if (argv[i][0] == '-') // Argument is an option
  43         {
  44           if (strcmp(argv[i], "--fullscreen") == 0
  45               || strcmp(argv[i], "-f") == 0)
  46             {
  47               settings.fullscreen = true;
  48             }
  49           else if (strcmp(argv[i], "--version") == 0
  50                    || strcmp(argv[i], "-v") == 0)
  51             {
  52               print_version ();
  53               exit (EXIT_SUCCESS);
  54             }
  55           else if (strcmp(argv[i], "--help") == 0
  56               || strcmp(argv[i], "-h") == 0)
  57             {
  58               print_help ();
  59               exit (EXIT_SUCCESS);
  60             }
  61           else if (strcmp(argv[i], "--disable-alphablending") == 0)
  62             {
  63               settings.alphablending = false;
  64             }
  65           else if (strcmp(argv[i], "--disable-antialiasing") == 0
  66                    || strcmp(argv[i], "-d") == 0)
  67             {
  68               settings.antialiasing = false;
  69             }
  70           else if (strcmp(argv[i], "--disable-thicklines") == 0
  71                    || strcmp(argv[i], "-l") == 0)
  72             {
  73               settings.thick_lines = false;
  74             }
  75           else if (strcmp(argv[i], "--disable-doublebuffer") == 0)
  76             {
  77               settings.doublebuffer = false;
  78             }
  79           else if (strcmp(argv[i], "--datadir") == 0)
  80             {
  81               settings.datadir = argv[++i];
  82             }
  83           else if (strcmp(argv[i], "-g") == 0
  84                    || strcmp(argv[i], "--geometry") == 0)
  85             {
  86               if (++i < argc)
  87                 {
  88                   char c;
  89                   if (sscanf(argv[i], "%d%c%d",
  90                              &settings.screen_width, &c, &settings.screen_height) != 3 && c != 'x')
  91                     {
  92                       error ("geometry string must WIDTHxHEIGHT");
  93                     }
  94                 }
  95               else
  96                 {
  97                   error ("-g/--geometry is missing an argument");
  98                 }
  99             }
 100           else
 101             {
 102               error (std::string("Unknown option: ") + argv[i]);
 103             }
 104         }
 105       else
 106         {
 107           if (!settings.startup_file.empty())
 108             {
 109               error ("Only one filename can be given");
 110             }
 111           else
 112             {
 113               settings.startup_file = argv[i];
 114             }
 115         }
 116     }
 117 }
 118
 119 void
 120 CommandLine::print_help ()
 121 {
 122   std::cout << "Construo "VERSION"\n\n"
 123             << "Usage: construo [OPTIONS] [FILENAME]\n\n"
 124             << "  -h, --help                  display this help text\n"
 125             << "  -v,--version                Print version number of the programm\n"
 126             << "  -f, --fullscreen            switch to fullscreen mode if available\n"
 127             << "  -g, --geometry WIDTHxHEIGHT switch resolution to WIDTH and HEIGHT\n"
 128             << "  -d, --disable-antialiasing  Switch into non antialiased mode\n"
 129             << "  -l, --disable-thicklines    Disable thick (slow) line drawing\n"
 130             << "  --disable-doublebuffer  disable the double buffer (might cause flicker)\n"
 131             << "  --disable-alphablending     Switch into non alphablended mode\n"
 132             << "  --datadir DIR               Set the datadir of Construo to DIR\n"
 133             << std::endl;
 134 }
 135
 136 void
 137 CommandLine::print_version ()
 138 {
 139   std::cout << "Construo "VERSION"\n"
 140             << "Written by Ingo Ruhnke <grumbel@gmx.de>\n\n"
 141             << "Copyright (C) 2002 Ingo Ruhnke <grumbel@gmx.de>\n"
 142             << "This is free software; see the source for copying conditions.  There is NO\n"
 143             << "warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE\n";
 144 }
 145
 146 /* EOF */
 147