/* Interface for NSBitmapCharSet for GNUStep
   Copyright (C) 1995 Free Software Foundation, Inc.

   Written by:  Adam Fedor <fedor@boulder.colorado.edu>
   Date: 1995

   This file is part of the GNUstep Base Library.

   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public
   License as published by the Free Software Foundation; either
   version 2 of the License, or (at your option) any later version.
   
   This library 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
   Library General Public License for more details.
   
   You should have received a copy of the GNU Library General Public
   License along with this library; if not, write to the Free
   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111 USA.
   */ 

#ifndef __NSBitmapCharSet_h_GNUSTEP_BASE_INCLUDE
#define __NSBitmapCharSet_h_GNUSTEP_BASE_INCLUDE

#include <Foundation/NSCharacterSet.h>
#include <Foundation/NSData.h>

//PENDING: may want to make these less likely to conflict
#define UNICODE_SIZE	65536
#define BITMAP_SIZE	UNICODE_SIZE/8

#ifndef SETBIT
#define SETBIT(a,i)     ((a) |= 1<<(i))
#define CLRBIT(a,i)     ((a) &= ~(1<<(i)))
#define ISSET(a,i)      ((((a) & (1<<(i)))) > 0) ? YES : NO;
#endif

/**
 *  An [NSCharacterSet] that stores the set of unicode characters in it as a
 *  simple bitmap.  Implementation is very efficient.
 */
@interface NSBitmapCharSet : NSCharacterSet
{
  char _data[BITMAP_SIZE];
}

/**
 *  Init directly with bitmap data.  bitmap should be <code>BITMAP_SIZE</code>
 *  long, which is currently 2^16 / 8.
 */
- (id) initWithBitmap: (NSData*)bitmap;

@end

/**
 *  Mutable version of [NSBitmapCharSet].
 */
@interface NSMutableBitmapCharSet : NSMutableCharacterSet
{
  char _data[BITMAP_SIZE];
}

/**
 *  Init directly with bitmap data.  bitmap should be <code>BITMAP_SIZE</code>
 *  long, which is currently 2^16 / 8.
 */
- (id) initWithBitmap: (NSData*)bitmap;

@end

#endif /* __NSBitmapCharSet_h_GNUSTEP_BASE_INCLUDE */