1 /* -*- mode: C; c-file-style: "gnu" -*- */ 2 /* xdgmime.h: XDG Mime Spec mime resolver. Based on version 0.11 of the spec. 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 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 29 #ifndef __XDG_MIME_H__ 30 #define __XDG_MIME_H__ 31 32 #include <stdlib.h> 33 #include <sys/stat.h> 34 35 #ifdef __cplusplus 36 extern "C" { 37 #endif /* __cplusplus */ 38 39 #ifdef XDG_PREFIX 40 #define XDG_ENTRY(func) _XDG_ENTRY2(XDG_PREFIX,func) 41 #define _XDG_ENTRY2(prefix,func) _XDG_ENTRY3(prefix,func) 42 #define _XDG_ENTRY3(prefix,func) prefix##_##func 43 44 #define XDG_RESERVED_ENTRY(func) _XDG_RESERVED_ENTRY2(XDG_PREFIX,func) 45 #define _XDG_RESERVED_ENTRY2(prefix,func) _XDG_RESERVED_ENTRY3(prefix,func) 46 #define _XDG_RESERVED_ENTRY3(prefix,func) _##prefix##_##func 47 #endif 48 49 typedef void (*XdgMimeCallback) (void *user_data); 50 typedef void (*XdgMimeDestroy) (void *user_data); 51 52 53 #ifdef XDG_PREFIX 54 #define xdg_mime_get_mime_type_for_data XDG_ENTRY(get_mime_type_for_data) 55 #define xdg_mime_get_mime_type_for_file XDG_ENTRY(get_mime_type_for_file) 56 #define xdg_mime_get_mime_type_from_file_name XDG_ENTRY(get_mime_type_from_file_name) 57 #define xdg_mime_get_mime_types_from_file_name XDG_ENTRY(get_mime_types_from_file_name) 58 #define xdg_mime_is_valid_mime_type XDG_ENTRY(is_valid_mime_type) 59 #define xdg_mime_mime_type_equal XDG_ENTRY(mime_type_equal) 60 #define xdg_mime_media_type_equal XDG_ENTRY(media_type_equal) 61 #define xdg_mime_mime_type_subclass XDG_ENTRY(mime_type_subclass) 62 #define xdg_mime_get_mime_parents XDG_ENTRY(get_mime_parents) 63 #define xdg_mime_list_mime_parents XDG_ENTRY(list_mime_parents) 64 #define xdg_mime_unalias_mime_type XDG_ENTRY(unalias_mime_type) 65 #define xdg_mime_get_max_buffer_extents XDG_ENTRY(get_max_buffer_extents) 66 #define xdg_mime_shutdown XDG_ENTRY(shutdown) 67 #define xdg_mime_dump XDG_ENTRY(dump) 68 #define xdg_mime_register_reload_callback XDG_ENTRY(register_reload_callback) 69 #define xdg_mime_remove_callback XDG_ENTRY(remove_callback) 70 #define xdg_mime_type_unknown XDG_ENTRY(type_unknown) 71 #define xdg_mime_type_empty XDG_ENTRY(type_empty) 72 #define xdg_mime_type_textplain XDG_ENTRY(type_textplain) 73 #define xdg_mime_get_icon XDG_ENTRY(get_icon) 74 #define xdg_mime_get_generic_icon XDG_ENTRY(get_generic_icon) 75 76 #define _xdg_mime_mime_type_equal XDG_RESERVED_ENTRY(mime_type_equal) 77 #define _xdg_mime_mime_type_subclass XDG_RESERVED_ENTRY(mime_type_subclass) 78 #define _xdg_mime_unalias_mime_type XDG_RESERVED_ENTRY(unalias_mime_type) 79 #endif 80 81 extern const char xdg_mime_type_unknown[]; 82 extern const char xdg_mime_type_empty[]; 83 extern const char xdg_mime_type_textplain[]; 84 #define XDG_MIME_TYPE_UNKNOWN xdg_mime_type_unknown 85 #define XDG_MIME_TYPE_EMPTY xdg_mime_type_empty 86 #define XDG_MIME_TYPE_TEXTPLAIN xdg_mime_type_textplain 87 88 const char *xdg_mime_get_mime_type_for_data (const void *data, 89 size_t len, 90 int *result_prio); 91 const char *xdg_mime_get_mime_type_for_file (const char *file_name, 92 struct stat *statbuf); 93 const char *xdg_mime_get_mime_type_from_file_name (const char *file_name); 94 int xdg_mime_get_mime_types_from_file_name(const char *file_name, 95 const char *mime_types[], 96 int n_mime_types); 97 int xdg_mime_is_valid_mime_type (const char *mime_type); 98 int xdg_mime_mime_type_equal (const char *mime_a, 99 const char *mime_b); 100 int xdg_mime_media_type_equal (const char *mime_a, 101 const char *mime_b); 102 int xdg_mime_mime_type_subclass (const char *mime_a, 103 const char *mime_b); 104 /* xdg_mime_get_mime_parents() is deprecated since it does 105 * not work correctly with caches. Use xdg_mime_list_parents() 106 * instead, but notice that that function expects you to free 107 * the array it returns. 108 */ 109 const char **xdg_mime_get_mime_parents (const char *mime); 110 char ** xdg_mime_list_mime_parents (const char *mime); 111 const char *xdg_mime_unalias_mime_type (const char *mime); 112 const char *xdg_mime_get_icon (const char *mime); 113 const char *xdg_mime_get_generic_icon (const char *mime); 114 int xdg_mime_get_max_buffer_extents (void); 115 void xdg_mime_shutdown (void); 116 void xdg_mime_dump (void); 117 int xdg_mime_register_reload_callback (XdgMimeCallback callback, 118 void *data, 119 XdgMimeDestroy destroy); 120 void xdg_mime_remove_callback (int callback_id); 121 122 /* Private versions of functions that don't call xdg_mime_init () */ 123 int _xdg_mime_mime_type_equal (const char *mime_a, 124 const char *mime_b); 125 int _xdg_mime_mime_type_subclass (const char *mime, 126 const char *base); 127 const char *_xdg_mime_unalias_mime_type (const char *mime); 128 129 130 #ifdef __cplusplus 131 } 132 #endif /* __cplusplus */ 133 #endif /* __XDG_MIME_H__ */ 134