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Fix addition of extensions to file names. 

If the file is to be compressed, then:

  if the type in which the file is to be written has a set of extensions
  it uses, leave the file name alone if it ends with one of those
  extensions followed by the extension for the compression type,
  otherwise append the default extension for that file type followed by
  the extension for the compression type;

  if it doesn't, leave the file name alone if it ends with the extension
  for the compression type, otherwise append the extension for the
  compression type;

otherwise:

  if the type in which the file is to be written has a set of extensions
  it uses, leave the file name alone if it ends with one of those
  extensions, otherwise append the default extension for that file type followed by
  the extension for the compression type;

  if it doesn't, leave the file name alone if it ends with the extension
  for the compression type, otherwise append the extension for the
  compression type.

Change-Id: I7c4093af28cc30d579a2ae9faa8f4164b4764001
Reviewed-on: https://code.wireshark.org/review/30681
Petri-Dish: Guy Harris <guy@alum.mit.edu>
Tested-by: Petri Dish Buildbot
Reviewed-by: Guy Harris <guy@alum.mit.edu>
This commit is contained in:
Guy Harris 2018-11-17 15:24:08 -08:00
parent 204dc92717
commit c22c060d2b
1 changed files with 76 additions and 29 deletions
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105
ui/qt/main_window.cpp
View File

@ -1630,59 +1630,106 @@ void MainWindow::exportDissections(export_type_e export_type) {
}
#ifdef Q_OS_WIN
/*
* Ensure that:
*
* If the file is to be compressed:
*
* if there is a set of extensions used by the file type to be used,
* the file name has one of those extensions followed by the extension
* for the compression type to be used;
*
* otherwise, the file name has the extension for the compression type
* to be used;
*
* otherwise:
*
* if there is a set of extensions used by the file type to be used,
* the file name has one of those extensions.
*/
void MainWindow::fileAddExtension(QString &file_name, int file_type, wtap_compression_type compression_type) {
QString file_name_lower;
GSList *extensions_list;
gboolean add_extension;
const char *compressed_file_extension;
gboolean add_extension_for_file_type;
/*
* Append the default file extension if there's none given by
* the user or if they gave one that's not one of the valid
* extensions for the file type.
*/
/* Lower-case the file name, so the extension matching is case-insensitive. */
file_name_lower = file_name.toLower();
/* Get a list of all extensions used for this file type; don't
include the ones with compression type extensions, as we
only want to check for the extension for the compression
type we'll be using. */
extensions_list = wtap_get_file_extensions_list(file_type, FALSE);
/* Get the extension for the compression type we'll be using, or
NULL if we won't be compressing it. */
compressed_file_extension =
(compression_type == WTAP_UNCOMPRESSED) ? NULL : ".gz";
if (extensions_list != NULL) {
GSList *extension;
/* We have one or more extensions for this file type.
/* This file type has one or more extensions.
Start out assuming we need to add the default one. */
add_extension = TRUE;
add_extension_for_file_type = TRUE;
/* OK, see if the file has one of those extensions. */
/* OK, see if the file has one of those extensions, followed
by the appropriate compression type extension if it's to be
compressed. */
for (extension = extensions_list; extension != NULL;
extension = g_slist_next(extension)) {
QString file_suffix = QString(".") + (char *)extension->data;
if (compressed_file_extension != NULL)
file_suffix += QString(".") + compressed_file_extension;
if (file_name_lower.endsWith(file_suffix)) {
/*
* The file name has one of the extensions for
* this file type.
* The file name has one of the extensions for this file
* type, followed by a compression type extension if
* appropriate, so we don't need to add an extension for
* the file type or the compression type.
*/
add_extension = FALSE;
break;
}
file_suffix += ".gz";
if (file_name_lower.endsWith(file_suffix)) {
/*
* The file name has one of the extensions for
* this file type.
*/
add_extension = FALSE;
add_extension_for_file_type = FALSE;
break;
}
}
} else {
/* We have no extensions for this file type. Don't add one. */
add_extension = FALSE;
}
if (add_extension) {
if (wtap_default_file_extension(file_type) != NULL) {
file_name += QString(".") + wtap_default_file_extension(file_type);
if (compression_type == WTAP_GZIP_COMPRESSED) {
file_name += ".gz";
/* We have no extensions for this file type. Just check
to see if we need to add an extension for the compressed
file type.
Start out assuming we do. */
add_extension_for_file_type = TRUE;
if (compressed_file_extension != NULL) {
QString file_suffix = QString(".") + compressed_file_extension;
if (file_name_lower.endsWith(file_suffix)) {
/*
* The file name has the appropriate compressed file extension,
* so we don't need to add an extension for the compression
* type.
*/
add_extension_for_file_type = FALSE;
}
}
}
/*
* If we need to add an extension for the file type or compressed
* file type, do so.
*/
if (add_extension_for_file_type) {
if (wtap_default_file_extension(file_type) != NULL) {
/* This file type has a default extension; append it. */
file_name += QString(".") + wtap_default_file_extension(file_type);
}
if (compression_type != WTAP_UNCOMPRESSED) {
/*
* The file is to be compressed, so append the extension for
* its compression type.
*/
file_name += QString(".gz");
}
}
}
#endif // Q_OS_WIN