/**
* Fill in all graphical elements of preview page with data from a CSV
* file.
*
* \param assistant Assistant that contains the page.
*
* \return FALSE
*/
gboolean import_enter_csv_preview_page ( GtkWidget * assistant )
{
GtkWidget * entry;
GSList * files;
gchar *contents, *tmp_str, *filename = NULL;
gsize size;
gsize bytes_written;
GError * error;
struct imported_file * imported = NULL;
/* Find first CSV to import. */
files = import_selected_files ( assistant );
while ( files )
{
imported = files -> data;
if ( !strcmp ( imported -> type, "CSV" ) )
{
filename = imported -> name;
break;
}
files = files -> next;
}
g_return_val_if_fail ( filename, FALSE );
/* Open file */
if ( ! g_file_get_contents ( filename, &tmp_str, &size, &error ) )
{
g_print ( _("Unable to read file: %s\n"), error -> message);
g_error_free ( error );
return FALSE;
}
/* Convert in UTF8 */
error = NULL;
contents = g_convert_with_fallback ( tmp_str, -1, "UTF-8", imported -> coding_system,
"?", &size, &bytes_written, &error );
if ( contents == NULL )
{
g_error_free ( error );
error = NULL;
size = 0;
bytes_written = 0;
dialogue_special ( GTK_MESSAGE_WARNING, make_hint (
_("The conversion to utf8 went wrong."),
_("If the result does not suit you, try again by selecting the "
"correct character set in the window for selecting files.") ) );
contents = g_convert_with_fallback ( tmp_str, -1, "UTF-8", "ISO-8859-1",
"?", &size, &bytes_written, &error );
if ( bytes_written == 0 )
{
g_print ( _("Unable to read file: %s\n"), error -> message);
g_error_free ( error );
return FALSE;
}
}
g_free ( tmp_str );
g_object_set_data ( G_OBJECT(assistant), "contents", contents );
entry = g_object_get_data ( G_OBJECT(assistant), "entry" );
if ( entry )
{
if ( etat.csv_separator )
{
gtk_entry_set_text ( GTK_ENTRY(entry), etat.csv_separator );
}
else
{
gtk_entry_set_text ( GTK_ENTRY(entry), csv_import_guess_separator ( contents ) );
}
}
csv_import_update_validity_check ( assistant );
return FALSE;
}
/* get the line af the file,
* convert it in UTF8 and fill string with that line
*
* \param fichier
* \param string
* \param coding_system the orig coding system of the string
*
* \return EOF, 1 if ok, 0 if problem
* */
gint get_utf8_line_from_file ( FILE *fichier,
gchar **string,
const gchar *coding_system )
{
gchar c = 0;
gint i = 0;
gint j = 0;
gchar *pointeur_char = NULL;
gchar *tmp_string;
if ( !fichier )
return 0;
/* allocate 30 characters, and increase it 30 by 30 */
pointeur_char = (gchar*)g_realloc(pointeur_char,30*sizeof(gchar));
if ( !pointeur_char )
{
/* ouch, not enough memory */
dialogue_error ( _("Memory allocation error" ));
return 0;
}
/* get the string untill \n or \r (windows format) */
c =(gchar)fgetc(fichier);
while ( ( c != '\n' ) && (c != '\r') && !feof (fichier))
{
pointeur_char[j++] = c;
if ( ++i == 29 )
{
pointeur_char = (gchar*)g_realloc(pointeur_char, j + 1 + 30*sizeof(gchar));
if ( !pointeur_char )
{
/* ouch, not enough memory */
dialogue_error ( _("Memory allocation error" ));
return 0;
}
i = 0;
}
c =(gchar)fgetc(fichier);
}
pointeur_char[j] = 0;
/* if we finished on \r, jump the \n after it */
if ( c == '\r' )
{
c =(gchar)fgetc(fichier);
if ( c != '\n' )
{
ungetc ( c, fichier );
}
}
tmp_string = g_convert ( pointeur_char, -1, "UTF-8",
coding_system, NULL, NULL,
NULL );
if (!tmp_string)
{
devel_debug ("convert to utf8 failed, will use latin2utf8");
tmp_string = latin2utf8 (pointeur_char);
if ( tmp_string == NULL )
{
dialogue_special ( GTK_MESSAGE_ERROR, make_hint (
_("Convert to utf8 failed."),
_("If the result is not correct, try again by selecting the "
"correct character set in the window for selecting files.") ) );
return 0;
}
}
*string = tmp_string;
g_free (pointeur_char);
if ( feof(fichier))
return EOF;
else
return 1;
}