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, 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  *
  47  * Error codes returned by character set conversion routines.
  48  */
  49 typedef enum
  50 {
  51   G_CONVERT_ERROR_NO_CONVERSION,
  52   G_CONVERT_ERROR_ILLEGAL_SEQUENCE,
  53   G_CONVERT_ERROR_FAILED,
  54   G_CONVERT_ERROR_PARTIAL_INPUT,
  55   G_CONVERT_ERROR_BAD_URI,
  56   G_CONVERT_ERROR_NOT_ABSOLUTE_PATH,
  57   G_CONVERT_ERROR_NO_MEMORY
  58 } GConvertError;
  59
  60 /**
  61  * G_CONVERT_ERROR:
  62  *
  63  * Error domain for character set conversions. Errors in this domain will
  64  * be from the #GConvertError enumeration. See #GError for information on
  65  * error domains.
  66  */
  67 #define G_CONVERT_ERROR g_convert_error_quark()
  68 GLIB_AVAILABLE_IN_ALL
  69 GQuark g_convert_error_quark (void);
  70
  71 /**
  72  * GIConv:
  73  *
  74  * The GIConv struct wraps an iconv() conversion descriptor. It contains
  75  * private data and should only be accessed using the following functions.
  76  */
  77 typedef struct _GIConv *GIConv;
  78
  79 GLIB_AVAILABLE_IN_ALL
  80 GIConv g_iconv_open   (const gchar  *to_codeset,
  81                        const gchar  *from_codeset);
  82 GLIB_AVAILABLE_IN_ALL
  83 gsize  g_iconv        (GIConv        converter,
  84                        gchar       **inbuf,
  85                        gsize        *inbytes_left,
  86                        gchar       **outbuf,
  87                        gsize        *outbytes_left);
  88 GLIB_AVAILABLE_IN_ALL
  89 gint   g_iconv_close  (GIConv        converter);
  90
  91
  92 GLIB_AVAILABLE_IN_ALL
  93 gchar* g_convert               (const gchar  *str,
  94                                 gssize        len,
  95                                 const gchar  *to_codeset,
  96                                 const gchar  *from_codeset,
  97                                 gsize        *bytes_read,
  98                                 gsize        *bytes_written,
  99                                 GError      **error) G_GNUC_MALLOC;
 100 GLIB_AVAILABLE_IN_ALL
 101 gchar* g_convert_with_iconv    (const gchar  *str,
 102                                 gssize        len,
 103                                 GIConv        converter,
 104                                 gsize        *bytes_read,
 105                                 gsize        *bytes_written,
 106                                 GError      **error) G_GNUC_MALLOC;
 107 GLIB_AVAILABLE_IN_ALL
 108 gchar* g_convert_with_fallback (const gchar  *str,
 109                                 gssize        len,
 110                                 const gchar  *to_codeset,
 111                                 const gchar  *from_codeset,
 112                                 const gchar  *fallback,
 113                                 gsize        *bytes_read,
 114                                 gsize        *bytes_written,
 115                                 GError      **error) G_GNUC_MALLOC;
 116
 117
 118 /* Convert between libc's idea of strings and UTF-8.
 119  */
 120 GLIB_AVAILABLE_IN_ALL
 121 gchar* g_locale_to_utf8   (const gchar  *opsysstring,
 122                            gssize        len,
 123                            gsize        *bytes_read,
 124                            gsize        *bytes_written,
 125                            GError      **error) G_GNUC_MALLOC;
 126 GLIB_AVAILABLE_IN_ALL
 127 gchar* g_locale_from_utf8 (const gchar  *utf8string,
 128                            gssize        len,
 129                            gsize        *bytes_read,
 130                            gsize        *bytes_written,
 131                            GError      **error) G_GNUC_MALLOC;
 132
 133 /* Convert between the operating system (or C runtime)
 134  * representation of file names and UTF-8.
 135  */
 136 GLIB_AVAILABLE_IN_ALL
 137 gchar* g_filename_to_utf8   (const gchar  *opsysstring,
 138                              gssize        len,
 139                              gsize        *bytes_read,
 140                              gsize        *bytes_written,
 141                              GError      **error) G_GNUC_MALLOC;
 142 GLIB_AVAILABLE_IN_ALL
 143 gchar* g_filename_from_utf8 (const gchar  *utf8string,
 144                              gssize        len,
 145                              gsize        *bytes_read,
 146                              gsize        *bytes_written,
 147                              GError      **error) G_GNUC_MALLOC;
 148
 149 GLIB_AVAILABLE_IN_ALL
 150 gchar *g_filename_from_uri (const gchar *uri,
 151                             gchar      **hostname,
 152                             GError     **error) G_GNUC_MALLOC;
 153
 154 GLIB_AVAILABLE_IN_ALL
 155 gchar *g_filename_to_uri   (const gchar *filename,
 156                             const gchar *hostname,
 157                             GError     **error) G_GNUC_MALLOC;
 158 GLIB_AVAILABLE_IN_ALL
 159 gchar *g_filename_display_name (const gchar *filename) G_GNUC_MALLOC;
 160 GLIB_AVAILABLE_IN_ALL
 161 gboolean g_get_filename_charsets (const gchar ***charsets);
 162
 163 GLIB_AVAILABLE_IN_ALL
 164 gchar *g_filename_display_basename (const gchar *filename) G_GNUC_MALLOC;
 165
 166 GLIB_AVAILABLE_IN_ALL
 167 gchar **g_uri_list_extract_uris (const gchar *uri_list) G_GNUC_MALLOC;
 168
 169 #ifdef G_OS_WIN32
 170 #define g_filename_to_utf8   g_filename_to_utf8_utf8
 171 #define g_filename_from_utf8 g_filename_from_utf8_utf8
 172 #define g_filename_from_uri  g_filename_from_uri_utf8
 173 #define g_filename_to_uri    g_filename_to_uri_utf8
 174
 175 GLIB_AVAILABLE_IN_ALL
 176 gchar* g_filename_to_utf8_utf8   (const gchar  *opsysstring,
 177                                   gssize        len,
 178                                   gsize        *bytes_read,
 179                                   gsize        *bytes_written,
 180                                   GError      **error) G_GNUC_MALLOC;
 181 GLIB_AVAILABLE_IN_ALL
 182 gchar* g_filename_from_utf8_utf8 (const gchar  *utf8string,
 183                                   gssize        len,
 184                                   gsize        *bytes_read,
 185                                   gsize        *bytes_written,
 186                                   GError      **error) G_GNUC_MALLOC;
 187 GLIB_AVAILABLE_IN_ALL
 188 gchar *g_filename_from_uri_utf8  (const gchar  *uri,
 189                                   gchar       **hostname,
 190                                   GError      **error) G_GNUC_MALLOC;
 191 GLIB_AVAILABLE_IN_ALL
 192 gchar *g_filename_to_uri_utf8    (const gchar  *filename,
 193                                   const gchar  *hostname,
 194                                   GError      **error) G_GNUC_MALLOC;
 195 #endif
 196
 197 G_END_DECLS
 198
 199 #endif /* __G_CONVERT_H__ */