fceugx/source/fceultra/drivers/common/args.c
2008-09-02 01:55:12 +00:00

99 lines
2.6 KiB
C

/* FCE Ultra - NES/Famicom Emulator
*
* Copyright notice for this file:
* Copyright (C) 2002 Xodnizel
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/****************************************************************/
/* FCE Ultra */
/* */
/* This file contains code for parsing command-line */
/* options. */
/* */
/****************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "../../types.h"
#include "args.h"
void ParseEA(int x, int argc, char *argv[], ARGPSTRUCT *argsps)
{
int y=0;
do
{
if(!argsps[y].name)
{
ParseEA(x,argc,argv,(ARGPSTRUCT*)argsps[y].var);
y++;
continue;
}
if(!strcmp(argv[x],argsps[y].name)) // A match.
{
if(argsps[y].subs)
{
if((x+1)>=argc)
break;
if(argsps[y].substype&0x2000)
{
((void (*)(char *))argsps[y].subs)(argv[x+1]);
}
else if(argsps[y].substype&0x8000)
{
*(int *)argsps[y].subs&=~(argsps[y].substype&(~0x8000));
*(int *)argsps[y].subs|=atoi(argv[x+1])?(argsps[y].substype&(~0x8000)):0;
}
else
switch(argsps[y].substype&(~0x4000))
{
case 0: // Integer
*(int *)argsps[y].subs=atoi(argv[x+1]);
break;
case 2: // Double float
*(double *)argsps[y].subs=atof(argv[x+1]);
break;
case 1: // String
if(argsps[y].substype&0x4000)
{
if(*(char **)argsps[y].subs)
free(*(char **)argsps[y].subs);
if(!( *(char **)argsps[y].subs=(char*)malloc(strlen(argv[x+1])+1) ))
break;
}
strcpy(*(char **)argsps[y].subs,argv[x+1]);
break;
}
}
if(argsps[y].var)
*argsps[y].var=1;
}
y++;
} while(argsps[y].var || argsps[y].subs);
}
void ParseArguments(int argc, char *argv[], ARGPSTRUCT *argsps)
{
int x;
for(x=0;x<argc;x++)
ParseEA(x,argc,argv,argsps);
}