Re: GTK2: Character conversion problem...

[Mohammed Sameer <Uniball gmx net>]

On Sat, 2002-07-27 at 23:47, André wrote:
> Scott Barron wrote:
>
> > On Sat, Jul 27, 2002 at 07:40:30PM +0200, Janus N. Tøndering wrote:
> what if i'm loading a 64Kb, or more, file and have to convert it? what's 
> the best way?
> thank's
> andrew

Ok i'll tell you what i did when i was programing a text editor
we have 3 encodings for arabic: iso encoding, windows encoding, UTF-8
encoding

int encoding = 1 if the user wants to assume that the iso encoding'll be
used by default
suppose we have a NULL terminated string stored in a variable 

gchar *buf;
gboolean x;

  x = g_utf8_validate (buf, -1, NULL);
  if (x != TRUE)
    {
      /* not utf-8 encoding: handle according to "encoding" */
      gchar *utf_buf;
      if (encoding == 1)
        {                       /* iso encoding */
      utf_buf =
      g_convert (buf, size, "UTF-8", "ISO_8859-6",NULL,NULL, NULL);
        }
      else
        {                       /* assume cp1256 */
utf_buf = g_convert (buf, size,"UTF-8", "WINDOWS-1256",NULL,NULL, NULL);
        }
      
      g_utf8_validate (utf_buf, -1, NULL);
      g_assert (g_utf8_validate (utf_buf, -1, NULL));
      gtk_text_buffer_insert (buffer, &iter, utf_buf, -1);
    }
  else
    {
      g_assert (g_utf8_validate (buf, -1, NULL));
      gtk_text_buffer_insert (buffer, &iter, buf, -1);
}

got it ??

sure sometimes you'll open a file as windows encoding and it might be
iso but in that case i've added a menu to allow the user to change the
encoding

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