src/CommandLine.cpp

   1 /*
   2 Copyright_License {
   3
   4   XCSoar Glide Computer - http://www.xcsoar.org/
   5   Copyright (C) 2000-2013 The XCSoar Project
   6   A detailed list of copyright holders can be found in the file "AUTHORS".
   7
   8   This program is free software; you can redistribute it and/or
   9   modify it under the terms of the GNU General Public License
  10   as published by the Free Software Foundation; either version 2
  11   of the License, or (at your option) any later version.
  12
  13   This program is distributed in the hope that it will be useful,
  14   but WITHOUT ANY WARRANTY; without even the implied warranty of
  15   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16   GNU General Public License for more details.
  17
  18   You should have received a copy of the GNU General Public License
  19   along with this program; if not, write to the Free Software
  20   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  21 }
  22 */
  23
  24 #include "CommandLine.hpp"
  25 #include "Profile/Profile.hpp"
  26 #include "OS/Args.hpp"
  27 #include "OS/ConvertPathName.hpp"
  28 #include "Hardware/Display.hpp"
  29 #include "Simulator.hpp"
  30 #include "LocalPath.hpp"
  31
  32 #ifdef WIN32
  33 #include <windows.h> /* for AllocConsole() */
  34 #endif
  35
  36 namespace CommandLine {
  37 #if !defined(_WIN32_WCE)
  38   unsigned width = 640, height = 480;
  39 #endif
  40
  41 #ifdef HAVE_CMDLINE_FULLSCREEN
  42   bool full_screen = false;
  43 #endif
  44
  45 #ifdef HAVE_CMDLINE_RESIZABLE
  46   bool resizable = false;
  47 #endif
  48 }
  49
  50 void
  51 CommandLine::Parse(Args &args)
  52 {
  53   while (!args.IsEmpty()) {
  54     const char *s = args.GetNext();
  55
  56     if (*s != '-') {
  57 #ifdef _WIN32
  58       continue;
  59 #else
  60       args.UsageError();
  61 #endif
  62     }
  63
  64     // Also accept "--" prefix for arguments. Usually used on UNIX for long options
  65     if (s[1] == '-')
  66       s++;
  67
  68     if (strncmp(s, "-profile=", 9) == 0) {
  69       s += 9;
  70       PathName convert(s);
  71       Profile::SetFiles(convert);
  72     } else if (strncmp(s, "-datapath=", 10) == 0) {
  73       s += 10;
  74       PathName convert(s);
  75       SetPrimaryDataPath(convert);
  76     }
  77 #ifdef SIMULATOR_AVAILABLE
  78     else if (strcmp(s, "-simulator") == 0) {
  79       global_simulator_flag = true;
  80       sim_set_in_cmd_line_flag = true;
  81     }
  82     else if (strcmp(s, "-fly") == 0) {
  83       global_simulator_flag=false;
  84       sim_set_in_cmd_line_flag=true;
  85     }
  86 #endif
  87 #if !defined(_WIN32_WCE)
  88     else if (isdigit(s[1])) {
  89       char *p;
  90       width = strtol(s+1, &p, 10);
  91       if (*p != 'x' && *p != 'X')
  92         args.UsageError();
  93       s = p;
  94       height = strtol(s+1, &p, 10);
  95     }
  96     else if (strcmp(s, "-portrait") == 0) {
  97       width = 480;
  98       height = 640;
  99     }
 100     else if (strcmp(s, "-square") == 0) {
 101       width = 480;
 102       height = 480;
 103     }
 104     else if (strcmp(s, "-small") == 0) {
 105       width = 320;
 106       height = 240;
 107     }
 108 #endif
 109 #ifdef HAVE_CMDLINE_FULLSCREEN
 110     else if (strcmp(s, "-fullscreen") == 0) {
 111       full_screen = true;
 112     }
 113 #endif
 114 #ifdef HAVE_CMDLINE_RESIZABLE
 115     else if (strcmp(s, "-resizable") == 0) {
 116       resizable = true;
 117     }
 118 #endif
 119 #if defined(_WIN32) && !defined(_WIN32_WCE) && !defined(__WINE__)
 120     else if (strcmp(s, "-console") == 0) {
 121       AllocConsole();
 122       freopen("CONOUT$", "wb", stdout);
 123     }
 124 #endif
 125 #if !defined(ANDROID) && !defined(_WIN32_WCE)
 126     else if (strncmp(s, "-dpi=", 5) == 0) {
 127       unsigned x_dpi, y_dpi;
 128       char *p;
 129       x_dpi = strtol(s+5, &p, 10);
 130       if (*p == 'x' || *p == 'X') {
 131         s = p;
 132         y_dpi = strtol(s+1, &p, 10);
 133       } else
 134         y_dpi = x_dpi;
 135
 136       if (x_dpi < 32 || x_dpi > 512 || y_dpi < 32 || y_dpi > 512)
 137         args.UsageError();
 138
 139       Display::SetDPI(x_dpi, y_dpi);
 140     }
 141 #endif
 142 #ifndef _WIN32
 143     else
 144       args.UsageError();
 145 #endif
 146   }
 147
 148 #if !defined(_WIN32_WCE)
 149   if (width < 240 || width > 4096 ||
 150       height < 240 || height > 4096)
 151     args.UsageError();
 152 #endif
 153 }