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 2.1 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, see <http://www.gnu.org/licenses/>.
16  */
17 
18 /*
19  * Modified by the GLib Team and others 1997-2000.  See the AUTHORS
20  * file for a list of people on the GLib Team.  See the ChangeLog
21  * files for a list of changes.  These files are distributed with
22  * GLib at ftp://ftp.gtk.org/pub/gtk/.
23  */
24 
25 #ifndef __G_CONVERT_H__
26 #define __G_CONVERT_H__
27 
28 #if !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION)
29 #error "Only <glib.h> can be included directly."
30 #endif
31 
32 #include <glib/gerror.h>
33 
34 G_BEGIN_DECLS
35 
36 /**
37  * GConvertError:
38  * @G_CONVERT_ERROR_NO_CONVERSION: Conversion between the requested character
39  *     sets is not supported.
40  * @G_CONVERT_ERROR_ILLEGAL_SEQUENCE: Invalid byte sequence in conversion input.
41  * @G_CONVERT_ERROR_FAILED: Conversion failed for some reason.
42  * @G_CONVERT_ERROR_PARTIAL_INPUT: Partial character sequence at end of input.
43  * @G_CONVERT_ERROR_BAD_URI: URI is invalid.
44  * @G_CONVERT_ERROR_NOT_ABSOLUTE_PATH: Pathname is not an absolute path.
45  * @G_CONVERT_ERROR_NO_MEMORY: No memory available. Since: 2.40
46  * @G_CONVERT_ERROR_EMBEDDED_NUL: An embedded NUL character is present in
47  *     conversion output where a NUL-terminated string is expected.
48  *     Since: 2.56
49  *
50  * Error codes returned by character set conversion routines.
51  */
52 typedef enum
53 {
54   G_CONVERT_ERROR_NO_CONVERSION,
55   G_CONVERT_ERROR_ILLEGAL_SEQUENCE,
56   G_CONVERT_ERROR_FAILED,
57   G_CONVERT_ERROR_PARTIAL_INPUT,
58   G_CONVERT_ERROR_BAD_URI,
59   G_CONVERT_ERROR_NOT_ABSOLUTE_PATH,
60   G_CONVERT_ERROR_NO_MEMORY,
61   G_CONVERT_ERROR_EMBEDDED_NUL
62 } GConvertError;
63 
64 /**
65  * G_CONVERT_ERROR:
66  *
67  * Error domain for character set conversions. Errors in this domain will
68  * be from the #GConvertError enumeration. See #GError for information on
69  * error domains.
70  */
71 #define G_CONVERT_ERROR g_convert_error_quark()
72 GLIB_AVAILABLE_IN_ALL
73 GQuark g_convert_error_quark (void);
74 
75 /**
76  * GIConv: (skip)
77  *
78  * The GIConv struct wraps an iconv() conversion descriptor. It contains
79  * private data and should only be accessed using the following functions.
80  */
81 typedef struct _GIConv *GIConv;
82 
83 GLIB_AVAILABLE_IN_ALL
84 GIConv g_iconv_open   (const gchar  *to_codeset,
85 		       const gchar  *from_codeset);
86 GLIB_AVAILABLE_IN_ALL
87 gsize  g_iconv        (GIConv        converter,
88 		       gchar       **inbuf,
89 		       gsize        *inbytes_left,
90 		       gchar       **outbuf,
91 		       gsize        *outbytes_left);
92 GLIB_AVAILABLE_IN_ALL
93 gint   g_iconv_close  (GIConv        converter);
94 
95 
96 GLIB_AVAILABLE_IN_ALL
97 gchar* g_convert               (const gchar  *str,
98 				gssize        len,
99 				const gchar  *to_codeset,
100 				const gchar  *from_codeset,
101 				gsize        *bytes_read,
102 				gsize        *bytes_written,
103 				GError      **error) G_GNUC_MALLOC;
104 GLIB_AVAILABLE_IN_ALL
105 gchar* g_convert_with_iconv    (const gchar  *str,
106 				gssize        len,
107 				GIConv        converter,
108 				gsize        *bytes_read,
109 				gsize        *bytes_written,
110 				GError      **error) G_GNUC_MALLOC;
111 GLIB_AVAILABLE_IN_ALL
112 gchar* g_convert_with_fallback (const gchar  *str,
113 				gssize        len,
114 				const gchar  *to_codeset,
115 				const gchar  *from_codeset,
116 				const gchar  *fallback,
117 				gsize        *bytes_read,
118 				gsize        *bytes_written,
119 				GError      **error) G_GNUC_MALLOC;
120 
121 
122 /* Convert between libc's idea of strings and UTF-8.
123  */
124 GLIB_AVAILABLE_IN_ALL
125 gchar* g_locale_to_utf8   (const gchar  *opsysstring,
126 			   gssize        len,
127 			   gsize        *bytes_read,
128 			   gsize        *bytes_written,
129 			   GError      **error) G_GNUC_MALLOC;
130 GLIB_AVAILABLE_IN_ALL
131 gchar* g_locale_from_utf8 (const gchar  *utf8string,
132 			   gssize        len,
133 			   gsize        *bytes_read,
134 			   gsize        *bytes_written,
135 			   GError      **error) G_GNUC_MALLOC;
136 
137 /* Convert between the operating system (or C runtime)
138  * representation of file names and UTF-8.
139  */
140 GLIB_AVAILABLE_IN_ALL
141 gchar* g_filename_to_utf8   (const gchar  *opsysstring,
142 			     gssize        len,
143 			     gsize        *bytes_read,
144 			     gsize        *bytes_written,
145 			     GError      **error) G_GNUC_MALLOC;
146 GLIB_AVAILABLE_IN_ALL
147 gchar* g_filename_from_utf8 (const gchar  *utf8string,
148 			     gssize        len,
149 			     gsize        *bytes_read,
150 			     gsize        *bytes_written,
151 			     GError      **error) G_GNUC_MALLOC;
152 
153 GLIB_AVAILABLE_IN_ALL
154 gchar *g_filename_from_uri (const gchar *uri,
155 			    gchar      **hostname,
156 			    GError     **error) G_GNUC_MALLOC;
157 
158 GLIB_AVAILABLE_IN_ALL
159 gchar *g_filename_to_uri   (const gchar *filename,
160 			    const gchar *hostname,
161 			    GError     **error) G_GNUC_MALLOC;
162 GLIB_AVAILABLE_IN_ALL
163 gchar *g_filename_display_name (const gchar *filename) G_GNUC_MALLOC;
164 GLIB_AVAILABLE_IN_ALL
165 gboolean g_get_filename_charsets (const gchar ***filename_charsets);
166 
167 GLIB_AVAILABLE_IN_ALL
168 gchar *g_filename_display_basename (const gchar *filename) G_GNUC_MALLOC;
169 
170 GLIB_AVAILABLE_IN_ALL
171 gchar **g_uri_list_extract_uris (const gchar *uri_list);
172 
173 G_END_DECLS
174 
175 #endif /* __G_CONVERT_H__ */
176