Adding rawtherapee-cli.exe, '-q' (quick start mode) added

Standard rawtherapee.exe now has almost no command line options left.
Use '-h' to see options for each executables.

rtgui/pathutils.cc

@@ -0,0 +1,48 @@
+/*
+ *  This file is part of RawTherapee.
+ *
+ *
+ *  RawTherapee is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  RawTherapee 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 General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with RawTherapee.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "pathutils.h"
+
+
+Glib::ustring removeExtension (const Glib::ustring& filename)
+{
+
+    Glib::ustring bname = Glib::path_get_basename(filename);
+    size_t lastdot = bname.find_last_of ('.');
+    size_t lastwhitespace = bname.find_last_of (" \t\f\v\n\r");
+
+    if (lastdot != bname.npos && (lastwhitespace == bname.npos || lastdot > lastwhitespace)) {
+        return filename.substr (0, filename.size() - (bname.size() - lastdot));
+    } else {
+        return filename;
+    }
+}
+
+Glib::ustring getExtension (const Glib::ustring& filename)
+{
+
+    Glib::ustring bname = Glib::path_get_basename(filename);
+    size_t lastdot = bname.find_last_of ('.');
+    size_t lastwhitespace = bname.find_last_of (" \t\f\v\n\r");
+
+    if (lastdot != bname.npos && (lastwhitespace == bname.npos || lastdot > lastwhitespace)) {
+        return filename.substr (filename.size() - (bname.size() - lastdot) + 1, filename.npos);
+    } else {
+        return "";
+    }
+}