Always check for "file" and add it if necessary. Clearly the better way.

1 files changed, 69 insertions, 0 deletions

diff --git a/tumbler/tumbler-util.c b/tumbler/tumbler-util.c
new file mode 100644
index 0000000..1d5910e
--- /dev/null
+++ b/tumbler/tumbler-util.c
@@ -0,0 +1,69 @@
+/* vi:set et ai sw=2 sts=2 ts=2: */
+/*-
+ * Copyright (c) 2009 Jannis Pohlmann <jannis@xfce.org>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the 
+ * GNU Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General 
+ * Public License along with this library; if not, write to the 
+ * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <glib.h>
+#include <gio/gio.h>
+
+#include <tumbler/tumbler-util.h>
+
+
+
+GStrv
+tumbler_util_get_supported_uri_schemes (void)
+{
+  const gchar *const *vfs_schemes;
+  GStrv               uri_schemes;
+  gboolean            file_scheme_found = FALSE;
+  guint               length;
+  guint               n;
+  GVfs               *vfs;
+
+  /* determine the URI schemes supported by GIO */
+  vfs = g_vfs_get_default ();
+  vfs_schemes = g_vfs_get_supported_uri_schemes (vfs);
+
+  /* search for the "file" scheme */
+  for (n = 0; !file_scheme_found && vfs_schemes[n] != NULL; ++n)
+    if (g_strcmp0 (vfs_schemes[n], "file") == 0)
+      file_scheme_found = TRUE;
+
+  /* check if the "file" scheme is included */
+  if (file_scheme_found)
+    {
+      /* it is, so simply copy the array */
+      uri_schemes = g_strdupv ((GStrv) vfs_schemes);
+    }
+  else
+    {
+      /* it is not, so we need to copy the array and add "file" */
+      length = g_strv_length ((GStrv) vfs_schemes);
+      uri_schemes = g_new0 (gchar *, length + 1);
+      uri_schemes[0] = g_strdup ("file");
+      for (n = 0; n < length; ++n)
+        uri_schemes[1+n] = g_strdup (vfs_schemes[n]);
+      uri_schemes[n] = NULL;
+    }
+
+  return uri_schemes;
+}