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     { "failreadonly", 0, 0, do_failreadonly,
  53       "--failreadonly   Read only files may not be opened in write mode" },
  54     { "help",       'h', 0, do_help,
  55       "--help,-h        Show this help message" },
  56     { "language",     0, 1, MAIN_ParseLanguageOption,
  57       "--language xx    Set the language (one of Br,Ca,Cs,Cy,Da,De,En,Eo,Es,Fi,Fr,Ga,Gd,Gv\n"
  58       "                    Hu,It,Ja,Ko,Kw,Nl,No,Pl,Pt,Sk,Sv,Ru,Wa)" },
  59     { "managed",      0, 0, do_managed,
  60       "--managed        Allow the window manager to manage created windows" },
  61     { "synchronous",  0, 0, do_synchronous,
  62       "--synchronous    Turn on synchronous display mode" },
  63     { "version",    'v', 0, do_version,
  64       "--version,-v     Display the Wine version" },
  65     { "winver",       0, 1, VERSION_ParseWinVersion,
  66       "--winver         Version to imitate (one of win31,win95,nt351,nt40)" },
  67     { NULL, }  /* terminator */
  68 };
  69
  70
  71 static void do_help( const char *arg )
  72 {
  73     OPTIONS_Usage();
  74 }
  75
  76 static void do_version( const char *arg )
  77 {
  78     MESSAGE( "%s\n", WINE_RELEASE_INFO );
  79     ExitProcess(0);
  80 }
  81
  82 static void do_synchronous( const char *arg )
  83 {
  84     Options.synchronous = TRUE;
  85 }
  86
  87 static void do_debug( const char *arg )
  88 {
  89     Options.debug = TRUE;
  90 }
  91
  92 static void do_failreadonly( const char *arg )
  93 {
  94     Options.failReadOnly = TRUE;
  95 }
  96
  97 static void do_desktop( const char *arg )
  98 {
  99     Options.desktopGeometry = strdup( arg );
 100 }
 101
 102 static void do_display( const char *arg )
 103 {
 104     Options.display = strdup( arg );
 105 }
 106
 107 static void do_dll( const char *arg )
 108 {
 109     if (Options.dllFlags)
 110     {
 111         /* don't overwrite previous value. Should we
 112          * automatically add the ',' between multiple DLLs ?
 113          */
 114         MESSAGE("Only one -dll flag is allowed. Use ',' between multiple DLLs\n");
 115         ExitProcess(1);
 116     }
 117     Options.dllFlags = strdup( arg );
 118 }
 119
 120 static void do_managed( const char *arg )
 121 {
 122     Options.managed = TRUE;
 123 }
 124
 125 static void do_config( const char *arg )
 126 {
 127     Options.configFileName = strdup( arg );
 128 }
 129
 130 static inline void remove_options( int *argc, char *argv[], int pos, int count )
 131 {
 132     while ((argv[pos] = argv[pos+count])) pos++;
 133     *argc -= count;
 134 }
 135
 136 /***********************************************************************
 137  *              OPTIONS_Usage
 138  */
 139 void OPTIONS_Usage(void)
 140 {
 141     const struct option *opt;
 142     MESSAGE( "Usage: %s [options] \"program_name [arguments]\"\n\n", argv0 );
 143     MESSAGE( "Options:\n" );
 144     for (opt = option_table; opt->longname; opt++) MESSAGE( "   %s\n", opt->usage );
 145     ExitProcess(0);
 146 }
 147
 148 /***********************************************************************
 149  *              OPTIONS_ParseOptions
 150  */
 151 void OPTIONS_ParseOptions( int argc, char *argv[] )
 152 {
 153     const struct option *opt;
 154     int i;
 155
 156     for (i = 1; argv[i]; i++)
 157     {
 158         char *p = argv[i];
 159         if (*p++ != '-') continue;  /* not an option */
 160         if (*p && !p[1]) /* short name */
 161         {
 162             if (*p == '-') break; /* "--" option */
 163             for (opt = option_table; opt->longname; opt++) if (opt->shortname == *p) break;
 164         }
 165         else  /* long name */
 166         {
 167             if (*p == '-') p++;
 168             /* check for the long name */
 169             for (opt = option_table; opt->longname; opt++)
 170                 if (!strcmp( p, opt->longname )) break;
 171         }
 172         if (!opt->longname) continue;
 173
 174         if (opt->has_arg && argv[i+1])
 175         {
 176             opt->func( argv[i+1] );
 177             remove_options( &argc, argv, i, 2 );
 178         }
 179         else
 180         {
 181             opt->func( "" );
 182             remove_options( &argc, argv, i, 1 );
 183         }
 184         i--;
 185     }
 186
 187     /* check if any option remains */
 188     for (i = 1; argv[i]; i++)
 189     {
 190         if (!strcmp( argv[i], "--" ))
 191         {
 192             remove_options( &argc, argv, i, 1 );
 193             break;
 194         }
 195         if (argv[i][0] == '-')
 196         {
 197             MESSAGE( "Unknown option '%s'\n", argv[i] );
 198             OPTIONS_Usage();
 199         }
 200     }
 201     Options.argc = argc;
 202     Options.argv = argv;
 203 }