gio/xdgmime/xdgmimeint.h

   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@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 2.1 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, see <http://www.gnu.org/licenses/>.
  24  */
  25
  26 #ifndef __XDG_MIME_INT_H__
  27 #define __XDG_MIME_INT_H__
  28
  29 #include "xdgmime.h"
  30
  31
  32 #ifndef FALSE
  33 #define FALSE (0)
  34 #endif
  35
  36 #ifndef TRUE
  37 #define TRUE (!FALSE)
  38 #endif
  39
  40 /* FIXME: Needs to be configure check */
  41 typedef unsigned int   xdg_unichar_t;
  42 typedef unsigned char  xdg_uchar8_t;
  43 typedef unsigned short xdg_uint16_t;
  44 typedef unsigned int   xdg_uint32_t;
  45
  46 #ifdef XDG_PREFIX
  47 #define _xdg_utf8_skip       XDG_RESERVED_ENTRY(utf8_skip)
  48 #define _xdg_utf8_to_ucs4    XDG_RESERVED_ENTRY(utf8_to_ucs4)
  49 #define _xdg_ucs4_to_lower   XDG_RESERVED_ENTRY(ucs4_to_lower)
  50 #define _xdg_utf8_validate   XDG_RESERVED_ENTRY(utf8_validate)
  51 #define _xdg_get_base_name   XDG_RESERVED_ENTRY(get_base_name)
  52 #define _xdg_convert_to_ucs4 XDG_RESERVED_ENTRY(convert_to_ucs4)
  53 #define _xdg_reverse_ucs4    XDG_RESERVED_ENTRY(reverse_ucs4)
  54 #endif
  55
  56 #define SWAP_BE16_TO_LE16(val) (xdg_uint16_t)(((xdg_uint16_t)(val) << 8)|((xdg_uint16_t)(val) >> 8))
  57
  58 #define SWAP_BE32_TO_LE32(val) (xdg_uint32_t)((((xdg_uint32_t)(val) & 0xFF000000U) >> 24) |     \
  59                                               (((xdg_uint32_t)(val) & 0x00FF0000U) >> 8) |      \
  60                                               (((xdg_uint32_t)(val) & 0x0000FF00U) << 8) |      \
  61                                               (((xdg_uint32_t)(val) & 0x000000FFU) << 24))
  62 /* UTF-8 utils
  63  */
  64 extern const char *const _xdg_utf8_skip;
  65 #define _xdg_utf8_next_char(p) (char *)((p) + _xdg_utf8_skip[*(unsigned char *)(p)])
  66 #define _xdg_utf8_char_size(p) (int) (_xdg_utf8_skip[*(unsigned char *)(p)])
  67
  68 xdg_unichar_t  _xdg_utf8_to_ucs4  (const char    *source);
  69 xdg_unichar_t  _xdg_ucs4_to_lower (xdg_unichar_t  source);
  70 int            _xdg_utf8_validate (const char    *source);
  71 xdg_unichar_t *_xdg_convert_to_ucs4 (const char *source, int *len);
  72 void           _xdg_reverse_ucs4 (xdg_unichar_t *source, int len);
  73 const char    *_xdg_get_base_name (const char    *file_name);
  74 const char    *_xdg_binary_or_text_fallback(const void *data, size_t len);
  75
  76 #endif /* __XDG_MIME_INT_H__ */