15edb3512e78ea68239424d69d40691578d75c24
[platform/upstream/glib.git] / glib / gconvert.h
1 /* GLIB - Library of useful routines for C programming
2  * Copyright (C) 1995-1997  Peter Mattis, Spencer Kimball and Josh MacDonald
3  *
4  * This library is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
7  * version 2 of the License, or (at your option) any later version.
8  *
9  * This library is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12  * Lesser General Public License for more details.
13  *
14  * You should have received a copy of the GNU Lesser General Public
15  * License along with this library; if not, write to the
16  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17  * Boston, MA 02111-1307, USA.
18  */
19
20 /*
21  * Modified by the GLib Team and others 1997-2000.  See the AUTHORS
22  * file for a list of people on the GLib Team.  See the ChangeLog
23  * files for a list of changes.  These files are distributed with
24  * GLib at ftp://ftp.gtk.org/pub/gtk/.
25  */
26
27 #if defined(G_DISABLE_SINGLE_INCLUDES) && !defined (__G_LIB_H__) && !defined (GLIB_COMPILATION)
28 #error "Only <glib.h> can be included directly."
29 #endif
30
31 #ifndef __G_CONVERT_H__
32 #define __G_CONVERT_H__
33
34 #include <glib/gerror.h>
35
36 G_BEGIN_DECLS
37
38 typedef enum 
39 {
40   G_CONVERT_ERROR_NO_CONVERSION,
41   G_CONVERT_ERROR_ILLEGAL_SEQUENCE,
42   G_CONVERT_ERROR_FAILED,
43   G_CONVERT_ERROR_PARTIAL_INPUT,
44   G_CONVERT_ERROR_BAD_URI,
45   G_CONVERT_ERROR_NOT_ABSOLUTE_PATH
46 } GConvertError;
47
48 #define G_CONVERT_ERROR g_convert_error_quark()
49 GQuark g_convert_error_quark (void);
50
51 /* Thin wrappers around iconv
52  */
53 typedef struct _GIConv *GIConv;
54
55 GIConv g_iconv_open   (const gchar  *to_codeset,
56                        const gchar  *from_codeset);
57 gsize  g_iconv        (GIConv        converter,
58                        gchar       **inbuf,
59                        gsize        *inbytes_left,
60                        gchar       **outbuf,
61                        gsize        *outbytes_left);
62 gint   g_iconv_close  (GIConv        converter);
63
64
65 gchar* g_convert               (const gchar  *str,
66                                 gssize        len,            
67                                 const gchar  *to_codeset,
68                                 const gchar  *from_codeset,
69                                 gsize        *bytes_read,     
70                                 gsize        *bytes_written,  
71                                 GError      **error) G_GNUC_MALLOC;
72 gchar* g_convert_with_iconv    (const gchar  *str,
73                                 gssize        len,
74                                 GIConv        converter,
75                                 gsize        *bytes_read,     
76                                 gsize        *bytes_written,  
77                                 GError      **error) G_GNUC_MALLOC;
78 gchar* g_convert_with_fallback (const gchar  *str,
79                                 gssize        len,            
80                                 const gchar  *to_codeset,
81                                 const gchar  *from_codeset,
82                                 gchar        *fallback,
83                                 gsize        *bytes_read,     
84                                 gsize        *bytes_written,  
85                                 GError      **error) G_GNUC_MALLOC;
86
87
88 /* Convert between libc's idea of strings and UTF-8.
89  */
90 gchar* g_locale_to_utf8   (const gchar  *opsysstring,
91                            gssize        len,            
92                            gsize        *bytes_read,     
93                            gsize        *bytes_written,  
94                            GError      **error) G_GNUC_MALLOC;
95 gchar* g_locale_from_utf8 (const gchar  *utf8string,
96                            gssize        len,            
97                            gsize        *bytes_read,     
98                            gsize        *bytes_written,  
99                            GError      **error) G_GNUC_MALLOC;
100
101 /* Convert between the operating system (or C runtime)
102  * representation of file names and UTF-8.
103  */
104 #ifdef G_OS_WIN32
105 #define g_filename_to_utf8 g_filename_to_utf8_utf8
106 #define g_filename_from_utf8 g_filename_from_utf8_utf8
107 #define g_filename_from_uri g_filename_from_uri_utf8
108 #define g_filename_to_uri g_filename_to_uri_utf8 
109 #endif
110
111 gchar* g_filename_to_utf8   (const gchar  *opsysstring,
112                              gssize        len,            
113                              gsize        *bytes_read,     
114                              gsize        *bytes_written,  
115                              GError      **error) G_GNUC_MALLOC;
116 gchar* g_filename_from_utf8 (const gchar  *utf8string,
117                              gssize        len,            
118                              gsize        *bytes_read,     
119                              gsize        *bytes_written,  
120                              GError      **error) G_GNUC_MALLOC;
121
122 gchar *g_filename_from_uri (const gchar *uri,
123                             gchar      **hostname,
124                             GError     **error) G_GNUC_MALLOC;
125   
126 gchar *g_filename_to_uri   (const gchar *filename,
127                             const gchar *hostname,
128                             GError     **error) G_GNUC_MALLOC;
129 gchar *g_filename_display_name (const gchar *filename) G_GNUC_MALLOC;
130 gboolean g_get_filename_charsets (G_CONST_RETURN gchar ***charsets);
131
132 gchar *g_filename_display_basename (const gchar *filename) G_GNUC_MALLOC;
133
134 gchar **g_uri_list_extract_uris (const gchar *uri_list) G_GNUC_MALLOC;
135
136 G_END_DECLS
137
138 #endif /* __G_CONVERT_H__ */