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/* This file is part of XEmacs. XEmacs 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. XEmacs 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 XEmacs; see the file COPYING. If not, write to the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ /* Synched up with: Not in FSF. */ #ifndef _XEMACS_ISO_WIDE_H #define _XEMACS_ISO_WIDE_H /* The following macros are designed for SunOS 5.0 wide characters, in which the single byte ISO Latin-1 character 1xxxxxxx are represented 00110000 00000000 00000000 0xxxxxxx For wide character systems which maintain the numeric value of all single-byte characters, IN_TABLE_DOMAIN can simply be defined (0 <= (c) && (c) <= 0xff) and no funky ISO_WIDE_TO_BYTE conversions are needed. */ /* Can't use isascii() because we want wide char argument */ #define IS_ASCII(c) (0 <= (c) && (c) <= 0x7f) #define IS_ISO_WIDE(c) (0x30000000 <= (c) && (c) <= 0x3000007f) #define IS_ISO_BYTE(c) (0x80 <= (c) && (c) <= 0xff) #define IN_TABLE_DOMAIN(c) (IS_ASCII (c) || IS_ISO_WIDE (c)) #define ISO_WIDE_TO_BYTE(c) ((c) & 0x0000007f | 0x80) #define ISO_BYTE_TO_WIDE(c) ((c) & 0x7f | 0x30000000) #define WIDE_TO_BYTE(c) (IS_ISO_WIDE (c) ? ISO_WIDE_TO_BYTE (c) : (c)) #define BYTE_TO_WIDE(c) (IS_ISO_BYTE (c) ? ISO_BYTE_TO_WIDE (c) : (c)) #endif /* _XEMACS_ISO_WIDE_H */
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