+
+
+/*
+ *-----------------------------------------------------------------------------
+ * sidecar file info struct
+ *-----------------------------------------------------------------------------
+ */
+
+static gint file_data_sort_by_ext(gconstpointer a, gconstpointer b)
+{
+ const FileData *fda = a;
+ const FileData *fdb = b;
+
+ if (fda->sidecar_priority < fdb->sidecar_priority) return -1;
+ if (fda->sidecar_priority > fdb->sidecar_priority) return 1;
+
+ return strcmp(fdb->extension, fda->extension);
+}
+
+
+static gint sidecar_file_priority(const gchar *extension)
+{
+ gint i = 1;
+ GList *work;
+
+ if (extension == NULL)
+ return 0;
+
+ work = sidecar_ext_get_list();
+
+ while (work) {
+ gchar *ext = work->data;
+
+ work = work->next;
+ if (g_ascii_strcasecmp(extension, ext) == 0) return i;
+ i++;
+ }
+ return 0;
+}
+
+static void file_data_check_sidecars(const GList *basename_list)
+{
+ /* basename_list contains the new group - first is the parent, then sorted sidecars */
+ /* all files in the list have ref count > 0 */
+
+ const GList *work;
+ GList *s_work, *new_sidecars;
+ FileData *parent_fd;
+
+ if (!basename_list) return;
+
+
+ DEBUG_2("basename start");
+ work = basename_list;
+ while (work)
+ {
+ FileData *fd = work->data;
+ work = work->next;
+ g_assert(fd->magick == FD_MAGICK);
+ DEBUG_2("basename: %p %s", fd, fd->name);
+ if (fd->parent)
+ {
+ g_assert(fd->parent->magick == FD_MAGICK);
+ DEBUG_2(" parent: %p", fd->parent);
+ }
+ s_work = fd->sidecar_files;
+ while (s_work)
+ {
+ FileData *sfd = s_work->data;
+ s_work = s_work->next;
+ g_assert(sfd->magick == FD_MAGICK);
+ DEBUG_2(" sidecar: %p %s", sfd, sfd->name);
+ }
+
+ g_assert(fd->parent == NULL || fd->sidecar_files == NULL);
+ }
+
+ parent_fd = basename_list->data;
+
+ /* check if the second and next entries of basename_list are already connected
+ as sidecars of the first entry (parent_fd) */
+ work = basename_list->next;
+ s_work = parent_fd->sidecar_files;
+
+ while (work && s_work)
+ {
+ if (work->data != s_work->data) break;
+ work = work->next;
+ s_work = s_work->next;
+ }
+
+ if (!work && !s_work)
+ {
+ DEBUG_2("basename no change");
+ return; /* no change in grouping */
+ }
+
+ /* we have to regroup it */
+
+ /* first, disconnect everything and send notification*/
+
+ work = basename_list;
+ while (work)
+ {
+ FileData *fd = work->data;
+ work = work->next;
+ g_assert(fd->parent == NULL || fd->sidecar_files == NULL);
+
+ if (fd->parent)
+ {
+ FileData *old_parent = fd->parent;
+ g_assert(old_parent->parent == NULL || old_parent->sidecar_files == NULL);
+ file_data_ref(old_parent);
+ file_data_disconnect_sidecar_file(old_parent, fd);
+ file_data_send_notification(old_parent, NOTIFY_REREAD);
+ file_data_unref(old_parent);
+ }
+
+ while (fd->sidecar_files)
+ {
+ FileData *sfd = fd->sidecar_files->data;
+ g_assert(sfd->parent == NULL || sfd->sidecar_files == NULL);
+ file_data_ref(sfd);
+ file_data_disconnect_sidecar_file(fd, sfd);
+ file_data_send_notification(sfd, NOTIFY_REREAD);
+ file_data_unref(sfd);
+ }
+ file_data_send_notification(fd, NOTIFY_GROUPING);
+
+ g_assert(fd->parent == NULL && fd->sidecar_files == NULL);
+ }
+
+ /* now we can form the new group */
+ work = basename_list->next;
+ new_sidecars = NULL;
+ while (work)
+ {
+ FileData *sfd = work->data;
+ g_assert(sfd->magick == FD_MAGICK);
+ g_assert(sfd->parent == NULL && sfd->sidecar_files == NULL);
+ sfd->parent = parent_fd;
+ new_sidecars = g_list_prepend(new_sidecars, sfd);
+ work = work->next;
+ }
+ g_assert(parent_fd->sidecar_files == NULL);
+ parent_fd->sidecar_files = g_list_reverse(new_sidecars);
+ DEBUG_1("basename group changed for %s", parent_fd->path);
+}
+
+
+static void file_data_disconnect_sidecar_file(FileData *target, FileData *sfd)