misc/options.c

   1 /*
   2  * Option parsing
   3  *
   4  * Copyright 2000 Alexandre Julliard
   5  */
   6
   7 #include "config.h"
   8 #include <string.h>
   9
  10 #include "winbase.h"
  11 #include "main.h"
  12 #include "options.h"
  13 #include "version.h"
  14 #include "debugtools.h"
  15
  16 struct option
  17 {
  18     const char *longname;
  19     char        shortname;
  20     int         has_arg;
  21     void      (*func)( const char *arg );
  22     const char *usage;
  23 };
  24
  25 static void do_config( const char *arg );
  26 static void do_debug( const char *arg );
  27 static void do_desktop( const char *arg );
  28 static void do_display( const char *arg );
  29 static void do_dll( const char *arg );
  30 static void do_failreadonly( const char *arg );
  31 static void do_help( const char *arg );
  32 static void do_managed( const char *arg );
  33 static void do_synchronous( const char *arg );
  34 static void do_version( const char *arg );
  35
  36 static const struct option option_table[] =
  37 {
  38     { "config",       0, 1, do_config,
  39       "--config name    Specify config file to use" },
  40     { "debug",        0, 0, do_debug,
  41       "--debug          Enter debugger before starting application" },
  42     { "debugmsg",     0, 1, MAIN_ParseDebugOptions,
  43       "--debugmsg name  Turn debugging-messages on or off" },
  44     { "desktop",      0, 1, do_desktop,
  45       "--desktop geom   Use a desktop window of the given geometry" },
  46     { "display",      0, 1, do_display,
  47       "--display name   Use the specified display" },
  48     { "dll",          0, 1, do_dll,
  49       "--dll name       Enable or disable built-in DLLs" },
  50     { "dosver",       0, 1, VERSION_ParseDosVersion,
  51       "--dosver x.xx    DOS version to imitate (e.g. 6.22). Only valid with --winver win31" },
  52     { "help",       'h', 0, do_help,
  53       "--help,-h        Show this help message" },
  54     { "language",     0, 1, MAIN_ParseLanguageOption,
  55       "--language xx    Set the language (one of Br,Ca,Cs,Cy,Da,De,En,Eo,Es,Fi,Fr,Ga,Gd,Gv\n"
  56       "                    Hu,It,Ja,Ko,Kw,Nl,No,Pl,Pt,Sk,Sv,Ru,Wa)" },
  57     { "managed",      0, 0, do_managed,
  58       "--managed        Allow the window manager to manage created windows" },
  59     { "synchronous",  0, 0, do_synchronous,
  60       "--synchronous    Turn on synchronous display mode" },
  61     { "version",    'v', 0, do_version,
  62       "--version,-v     Display the Wine version" },
  63     { "winver",       0, 1, VERSION_ParseWinVersion,
  64       "--winver         Version to imitate (one of win31,win95,nt351,nt40)" },
  65     { NULL, }  /* terminator */
  66 };
  67
  68
  69 static void do_help( const char *arg )
  70 {
  71     OPTIONS_Usage();
  72 }
  73
  74 static void do_version( const char *arg )
  75 {
  76     MESSAGE( "%s\n", WINE_RELEASE_INFO );
  77     ExitProcess(0);
  78 }
  79
  80 static void do_synchronous( const char *arg )
  81 {
  82     Options.synchronous = TRUE;
  83 }
  84
  85 static void do_debug( const char *arg )
  86 {
  87     Options.debug = TRUE;
  88 }
  89
  90 static void do_desktop( const char *arg )
  91 {
  92     Options.desktopGeometry = strdup( arg );
  93 }
  94
  95 static void do_display( const char *arg )
  96 {
  97     Options.display = strdup( arg );
  98 }
  99
 100 static void do_dll( const char *arg )
 101 {
 102     if (Options.dllFlags)
 103     {
 104         /* don't overwrite previous value. Should we
 105          * automatically add the ',' between multiple DLLs ?
 106          */
 107         MESSAGE("Only one -dll flag is allowed. Use ',' between multiple DLLs\n");
 108         ExitProcess(1);
 109     }
 110     Options.dllFlags = strdup( arg );
 111 }
 112
 113 static void do_managed( const char *arg )
 114 {
 115     Options.managed = TRUE;
 116 }
 117
 118 static void do_config( const char *arg )
 119 {
 120     Options.configFileName = strdup( arg );
 121 }
 122
 123 static inline void remove_options( int *argc, char *argv[], int pos, int count )
 124 {
 125     while ((argv[pos] = argv[pos+count])) pos++;
 126     *argc -= count;
 127 }
 128
 129 /***********************************************************************
 130  *              OPTIONS_Usage
 131  */
 132 void OPTIONS_Usage(void)
 133 {
 134     const struct option *opt;
 135     MESSAGE( "Usage: %s [options] \"program_name [arguments]\"\n\n", argv0 );
 136     MESSAGE( "Options:\n" );
 137     for (opt = option_table; opt->longname; opt++) MESSAGE( "   %s\n", opt->usage );
 138     ExitProcess(0);
 139 }
 140
 141 /***********************************************************************
 142  *              OPTIONS_ParseOptions
 143  */
 144 void OPTIONS_ParseOptions( int argc, char *argv[] )
 145 {
 146     const struct option *opt;
 147     int i;
 148
 149     for (i = 1; argv[i]; i++)
 150     {
 151         char *p = argv[i];
 152         if (*p++ != '-') continue;  /* not an option */
 153         if (*p && !p[1]) /* short name */
 154         {
 155             if (*p == '-') break; /* "--" option */
 156             for (opt = option_table; opt->longname; opt++) if (opt->shortname == *p) break;
 157         }
 158         else  /* long name */
 159         {
 160             if (*p == '-') p++;
 161             /* check for the long name */
 162             for (opt = option_table; opt->longname; opt++)
 163                 if (!strcmp( p, opt->longname )) break;
 164         }
 165         if (!opt->longname) continue;
 166
 167         if (opt->has_arg && argv[i+1])
 168         {
 169             opt->func( argv[i+1] );
 170             remove_options( &argc, argv, i, 2 );
 171         }
 172         else
 173         {
 174             opt->func( "" );
 175             remove_options( &argc, argv, i, 1 );
 176         }
 177         i--;
 178     }
 179
 180     /* check if any option remains */
 181     for (i = 1; argv[i]; i++)
 182     {
 183         if (!strcmp( argv[i], "--" ))
 184         {
 185             remove_options( &argc, argv, i, 1 );
 186             break;
 187         }
 188         if (argv[i][0] == '-')
 189         {
 190             MESSAGE( "Unknown option '%s'\n", argv[i] );
 191             OPTIONS_Usage();
 192         }
 193     }
 194     Options.argc = argc;
 195     Options.argv = argv;
 196 }