implemented the creation of the .xed_session file

xed/xed-commands-file.c

@@ -51,6 +51,7 @@
 #define XED_IS_CLOSING_ALL "xed-is-closing-all"
 #define XED_IS_QUITTING "xed-is-quitting"
 #define XED_IS_QUITTING_ALL "xed-is-quitting-all"
+#define XED_SESSION_FILE_NAME ".xed_session"
 
 static void tab_state_changed_while_saving (XedTab *tab,
  GParamSpec *pspec,
@@ -1377,6 +1378,69 @@ _xed_cmd_file_revert (GtkAction *action,
  gtk_widget_show (dialog);
 }
 
+static void
+export_active_docs (XedWindow *window)
+{
+ gchar *file_name = NULL;
+ GFile *session_file = NULL;
+ GFileIOStream* iostream = NULL;
+ GList *docs = NULL;
+ XedDocument *doc = NULL;
+ GtkSourceFile *source_file = NULL;
+ GFile *docfile = NULL;
+ gchar *doc_file_path = NULL;
+
+ g_print ("export\n");
+ g_return_if_fail (XED_IS_WINDOW (window));
+
+ file_name = g_strconcat (g_get_home_dir(), "/", XED_SESSION_FILE_NAME, NULL);
+ session_file = g_file_new_for_path (file_name);
+
+ if (g_file_query_exists (session_file, NULL))
+ {
+ iostream = g_file_open_readwrite (session_file, NULL, NULL);
+ }
+ else
+ {
+ iostream = g_file_create_readwrite (session_file, G_FILE_CREATE_NONE, NULL, NULL);
+ }
+
+ if (iostream == NULL)
+ {
+ return;
+ }
+
+ docs = xed_window_get_documents (window);
+
+ g_print ("has docs: %d\n", docs != NULL);
+
+ while (docs != NULL)
+ {
+ doc = XED_DOCUMENT (docs->data);
+ source_file = xed_document_get_file (doc);
+ docfile = gtk_source_file_get_location (source_file);
+ doc_file_path = g_file_get_path (docfile);
+
+ // separate into smaller functions
+ // check if file exists
+ // check if null
+ // error when saving with warning pop up before closing
+ // use l variable instead of docs to free it later
+ // free if not null
+
+ if (doc_file_path)
+ {
+ g_print("%s\n", doc_file_path);
+ }
+
+ docs = g_list_next (docs);
+ }
+
+ g_free (file_name);
+ g_object_unref (session_file);
+ g_object_unref (iostream);
+}
+
 static void
 tab_state_changed_while_saving (XedTab *tab,
  GParamSpec *pspec,
@@ -1822,5 +1886,8 @@ _xed_cmd_file_quit (GtkAction *action,
  XED_WINDOW_STATE_PRINTING |
  XED_WINDOW_STATE_SAVING_SESSION)));
 
+ g_print ("file_quit\n");
+ export_active_docs(window);
+
  file_close_all (window, TRUE);
 }