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      1 /* -*- mode: C; c-file-style: "gnu" -*- */
      2 /* xdgmimeint.h: Internal defines and functions.
      3  *
      4  * More info can be found at http://www.freedesktop.org/standards/
      5  *
      6  * Copyright (C) 2003  Red Hat, Inc.
      7  * Copyright (C) 2003  Jonathan Blandford <jrb (at) alum.mit.edu>
      8  *
      9  * Licensed under the Academic Free License version 2.0
     10  * Or under the following terms:
     11  *
     12  * This library is free software; you can redistribute it and/or
     13  * modify it under the terms of the GNU Lesser General Public
     14  * License as published by the Free Software Foundation; either
     15  * version 2 of the License, or (at your option) any later version.
     16  *
     17  * This library is distributed in the hope that it will be useful,
     18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
     19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the GNU
     20  * Lesser General Public License for more details.
     21  *
     22  * You should have received a copy of the GNU Lesser General Public
     23  * License along with this library; if not, write to the
     24  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
     25  * Boston, MA 02111-1307, USA.
     26  */
     27 
     28 #ifndef __XDG_MIME_INT_H__
     29 #define __XDG_MIME_INT_H__
     30 
     31 #include "xdgmime.h"
     32 
     33 
     34 #ifndef	FALSE
     35 #define	FALSE (0)
     36 #endif
     37 
     38 #ifndef	TRUE
     39 #define	TRUE (!FALSE)
     40 #endif
     41 
     42 /* FIXME: Needs to be configure check */
     43 typedef unsigned int   xdg_unichar_t;
     44 typedef unsigned char  xdg_uchar8_t;
     45 typedef unsigned short xdg_uint16_t;
     46 typedef unsigned int   xdg_uint32_t;
     47 
     48 #ifdef XDG_PREFIX
     49 #define _xdg_utf8_skip       XDG_RESERVED_ENTRY(utf8_skip)
     50 #define _xdg_utf8_to_ucs4    XDG_RESERVED_ENTRY(utf8_to_ucs4)
     51 #define _xdg_ucs4_to_lower   XDG_RESERVED_ENTRY(ucs4_to_lower)
     52 #define _xdg_utf8_validate   XDG_RESERVED_ENTRY(utf8_validate)
     53 #define _xdg_get_base_name   XDG_RESERVED_ENTRY(get_base_name)
     54 #define _xdg_convert_to_ucs4 XDG_RESERVED_ENTRY(convert_to_ucs4)
     55 #define _xdg_reverse_ucs4    XDG_RESERVED_ENTRY(reverse_ucs4)
     56 #endif
     57 
     58 #define SWAP_BE16_TO_LE16(val) (xdg_uint16_t)(((xdg_uint16_t)(val) << 8)|((xdg_uint16_t)(val) >> 8))
     59 
     60 #define SWAP_BE32_TO_LE32(val) (xdg_uint32_t)((((xdg_uint32_t)(val) & 0xFF000000U) >> 24) |	\
     61 					      (((xdg_uint32_t)(val) & 0x00FF0000U) >> 8) |	\
     62 					      (((xdg_uint32_t)(val) & 0x0000FF00U) << 8) |	\
     63 					      (((xdg_uint32_t)(val) & 0x000000FFU) << 24))
     64 /* UTF-8 utils
     65  */
     66 extern const char *const _xdg_utf8_skip;
     67 #define _xdg_utf8_next_char(p) (char *)((p) + _xdg_utf8_skip[*(unsigned char *)(p)])
     68 #define _xdg_utf8_char_size(p) (int) (_xdg_utf8_skip[*(unsigned char *)(p)])
     69 
     70 xdg_unichar_t  _xdg_utf8_to_ucs4  (const char    *source);
     71 xdg_unichar_t  _xdg_ucs4_to_lower (xdg_unichar_t  source);
     72 int            _xdg_utf8_validate (const char    *source);
     73 xdg_unichar_t *_xdg_convert_to_ucs4 (const char *source, int *len);
     74 void           _xdg_reverse_ucs4 (xdg_unichar_t *source, int len);
     75 const char    *_xdg_get_base_name (const char    *file_name);
     76 
     77 #endif /* __XDG_MIME_INT_H__ */
     78