/*****************************************************************************
 * AreaFix for HPT (FTN NetMail/EchoMail Tosser)
 *****************************************************************************
 * Copyright (C) 2000
 *
 * Lev Serebryakov
 *
 * Fido:     2:5030/661
 * Internet: lev@serebryakov.spb.ru
 * St.Petersburg, Russia
 *
 * This file is part of HTICK.
 *
 * HTICK 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, or (at your option) any
 * later version.
 *
 * HPT 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 HPT; see the file COPYING.  If not, write to the Free
 * Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
 *****************************************************************************
 * $Id: filecase.c,v 1.5 2002/05/30 14:26:07 stas Stab $
 *****************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#if !defined(__TURBOC__) && !(defined(_MSC_VER) && (_MSC_VER >= 1200))
#include <unistd.h>
#endif

#include <ctype.h>
#include <fidoconf/common.h>

#include <global.h>
#include <filecase.h>

static int dosallowin83(int c)
{
	static char dos_allow[] = "!@#$%^&()~`'-_{}.";
	
	if((c >= 'a' && c <= 'z') ||
		(c >= 'A' && c <= 'Z') ||
		(c >= '0' && c <= '9') ||
		strchr(dos_allow,c)) return 1;
	return 0;
}


int isDOSLikeName(char *name)
{
   int nl,el,ec,uc,lc,f;
   char *p = name;

   nl=el=ec=uc=lc=0;
   f=1;
   while (*p) {
      if(!dosallowin83(*p)) {
         f=0;
         break;
      }
      if('.'==*p)
         ec++;
      else {
         if (!ec) nl++;
         else el++;
         if(isalpha(*p))
         {
           if(isupper(*p)) uc++;
           else lc++;
       }
      }
      p++;
    }
    return (f && ec < 2 && el < 4 && nl < 9 && (!lc || !uc));
}

char *MakeProperCase(char *name)
{
	if(isDOSLikeName(name)) {
		switch(config->convertShortNames) {
		case cUpper:
			return strUpper(name);
		case cLower:
			return strLower(name);
		default:
			return name;
		}
	} else {
		switch(config->convertLongNames) {
		case cUpper:
			return strUpper(name);
		case cLower:
			return strLower(name);
		default:
			return name;
		}
	}
}