wine/misc/options.c
2000-10-24 02:22:16 +00:00

292 lines
7.7 KiB
C

/*
* Option parsing
*
* Copyright 2000 Alexandre Julliard
*/
#include "config.h"
#include <string.h>
#include <stdlib.h>
#include "winbase.h"
#include "main.h"
#include "options.h"
#include "version.h"
#include "debugtools.h"
struct option
{
const char *longname;
char shortname;
int has_arg;
int inherit;
void (*func)( const char *arg );
const char *usage;
};
/* Most Windows C/C++ compilers use something like this to */
/* access argc and argv globally: */
int _ARGC;
char **_ARGV;
/* default options */
struct options Options =
{
NULL, /* desktopGeometry */
NULL, /* display */
NULL, /* dllFlags */
FALSE, /* synchronous */
FALSE, /* Managed windows */
NULL /* Alternate config file name */
};
const char *argv0; /* the original argv[0] */
const char *full_argv0; /* the full path of argv[0] (if known) */
static char *inherit_str; /* options to pass to child processes */
static void out_of_memory(void) WINE_NORETURN;
static void out_of_memory(void)
{
MESSAGE( "Virtual memory exhausted\n" );
ExitProcess(1);
}
static char *xstrdup( const char *str )
{
char *ret = strdup( str );
if (!ret) out_of_memory();
return ret;
}
static void do_config( const char *arg );
static void do_desktop( const char *arg );
static void do_display( const char *arg );
static void do_dll( const char *arg );
static void do_help( const char *arg );
static void do_language( const char *arg );
static void do_managed( const char *arg );
static void do_synchronous( const char *arg );
static void do_version( const char *arg );
static const struct option option_table[] =
{
{ "config", 0, 1, 0, do_config,
"--config name Specify config file to use" },
{ "debugmsg", 0, 1, 1, MAIN_ParseDebugOptions,
"--debugmsg name Turn debugging-messages on or off" },
{ "desktop", 0, 1, 1, do_desktop,
"--desktop geom Use a desktop window of the given geometry" },
{ "display", 0, 1, 0, do_display,
"--display name Use the specified display" },
{ "dll", 0, 1, 1, do_dll,
"--dll name Enable or disable built-in DLLs" },
{ "dosver", 0, 1, 1, VERSION_ParseDosVersion,
"--dosver x.xx DOS version to imitate (e.g. 6.22). Only valid with --winver win31" },
{ "help", 'h', 0, 0, do_help,
"--help,-h Show this help message" },
{ "language", 0, 1, 1, do_language,
"--language xx Set the language (one of Br,Ca,Cs,Cy,Da,De,En,Eo,Es,Fi,Fr,Ga,Gd,Gv,\n"
" Hr,Hu,It,Ja,Ko,Kw,Nl,No,Pl,Pt,Sk,Sv,Ru,Wa)" },
{ "managed", 0, 0, 0, do_managed,
"--managed Allow the window manager to manage created windows" },
{ "synchronous", 0, 0, 1, do_synchronous,
"--synchronous Turn on synchronous display mode" },
{ "version", 'v', 0, 0, do_version,
"--version,-v Display the Wine version" },
{ "winver", 0, 1, 1, VERSION_ParseWinVersion,
"--winver Version to imitate (one of win31,win95,nt351,nt40)" },
{ NULL, 0, 0, 0, NULL, NULL } /* terminator */
};
static void do_help( const char *arg )
{
OPTIONS_Usage();
}
static void do_version( const char *arg )
{
MESSAGE( "%s\n", WINE_RELEASE_INFO );
ExitProcess(0);
}
static void do_synchronous( const char *arg )
{
Options.synchronous = TRUE;
}
static void do_desktop( const char *arg )
{
Options.desktopGeometry = xstrdup( arg );
}
static void do_display( const char *arg )
{
Options.display = xstrdup( arg );
}
static void do_dll( const char *arg )
{
if (Options.dllFlags)
{
Options.dllFlags = (char *) realloc ( Options.dllFlags,
strlen ( Options.dllFlags ) + strlen ( arg ) + 2 );
if ( !Options.dllFlags ) out_of_memory();
strcat ( Options.dllFlags, "+" );
strcat ( Options.dllFlags, arg );
}
else
{
Options.dllFlags = xstrdup( arg );
}
}
static void do_language( const char *arg )
{
SetEnvironmentVariableA( "LANGUAGE", arg );
}
static void do_managed( const char *arg )
{
Options.managed = TRUE;
}
static void do_config( const char *arg )
{
Options.configFileName = xstrdup( arg );
}
static void remove_options( char *argv[], int pos, int count, int inherit )
{
if (inherit)
{
int i, len = 0;
for (i = 0; i < count; i++) len += strlen(argv[pos+i]) + 1;
if (inherit_str)
{
if (!(inherit_str = realloc( inherit_str, strlen(inherit_str) + 1 + len )))
out_of_memory();
strcat( inherit_str, " " );
}
else
{
if (!(inherit_str = malloc( len ))) out_of_memory();
inherit_str[0] = 0;
}
for (i = 0; i < count; i++)
{
strcat( inherit_str, argv[pos+i] );
if (i < count-1) strcat( inherit_str, " " );
}
}
while ((argv[pos] = argv[pos+count])) pos++;
}
/* parse options from the argv array and remove all the recognized ones */
static void parse_options( char *argv[] )
{
const struct option *opt;
int i;
for (i = 0; argv[i]; i++)
{
char *p = argv[i];
if (*p++ != '-') continue; /* not an option */
if (*p && !p[1]) /* short name */
{
if (*p == '-') break; /* "--" option */
for (opt = option_table; opt->longname; opt++) if (opt->shortname == *p) break;
}
else /* long name */
{
if (*p == '-') p++;
/* check for the long name */
for (opt = option_table; opt->longname; opt++)
if (!strcmp( p, opt->longname )) break;
}
if (!opt->longname) continue;
if (opt->has_arg && argv[i+1])
{
opt->func( argv[i+1] );
remove_options( argv, i, 2, opt->inherit );
}
else
{
opt->func( "" );
remove_options( argv, i, 1, opt->inherit );
}
i--;
}
}
/* inherit options from WINEOPTIONS variable */
static void inherit_options( char *buffer )
{
char *argv[256];
int i;
char *p = strtok( buffer, " \t" );
for (i = 0; i < sizeof(argv)/sizeof(argv[0])-1 && p; i++)
{
argv[i] = p;
p = strtok( NULL, " \t" );
}
argv[i] = NULL;
parse_options( argv );
if (argv[0]) /* an option remains */
{
MESSAGE( "Unknown option '%s' in WINEOPTIONS variable\n\n", argv[0] );
OPTIONS_Usage();
}
}
/***********************************************************************
* OPTIONS_Usage
*/
void OPTIONS_Usage(void)
{
const struct option *opt;
MESSAGE( "Usage: %s [options] program_name [arguments]\n\n", argv0 );
MESSAGE( "Options:\n" );
for (opt = option_table; opt->longname; opt++) MESSAGE( " %s\n", opt->usage );
ExitProcess(0);
}
/***********************************************************************
* OPTIONS_ParseOptions
*/
void OPTIONS_ParseOptions( char *argv[] )
{
char buffer[1024];
int i;
if (GetEnvironmentVariableA( "WINEOPTIONS", buffer, sizeof(buffer) ) && buffer[0])
inherit_options( buffer );
parse_options( argv + 1 );
SetEnvironmentVariableA( "WINEOPTIONS", inherit_str );
/* check if any option remains */
for (i = 1; argv[i]; i++)
{
if (!strcmp( argv[i], "--" ))
{
remove_options( argv, i, 1, 0 );
break;
}
if (argv[i][0] == '-')
{
MESSAGE( "Unknown option '%s'\n\n", argv[i] );
OPTIONS_Usage();
}
}
/* count the resulting arguments */
_ARGV = argv;
_ARGC = 0;
while (argv[_ARGC]) _ARGC++;
}