Code Reorganization

- Merged Path, File and Directory handling objects from metatask.git.
- Merged unit tests.
- These objects will replace a fair amount of code in task 1.9 and
  more in 2.0.

src/Directory.h

@@ -0,0 +1,55 @@
+////////////////////////////////////////////////////////////////////////////////
+// task - a command line task list manager.
+//
+// Copyright 2006 - 2009, Paul Beckingham.
+// All rights reserved.
+//
+// This program 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 2 of the License, or (at your option) any later
+// version.
+//
+// This program 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
+// this program; if not, write to the
+//
+//     Free Software Foundation, Inc.,
+//     51 Franklin Street, Fifth Floor,
+//     Boston, MA
+//     02110-1301
+//     USA
+//
+////////////////////////////////////////////////////////////////////////////////
+#ifndef INCLUDED_DIRECTORY
+#define INCLUDED_DIRECTORY
+
+#include "File.h"
+
+class Directory : public File
+{
+public:
+  Directory ();
+  Directory (const Directory&);
+  Directory (const File&);
+  Directory (const Path&);
+  Directory (const std::string&);
+  virtual ~Directory ();
+
+  Directory& operator= (const Directory&);
+
+  virtual bool create ();
+  virtual bool remove ();
+
+  std::vector <std::string> list ();
+  std::vector <std::string> listRecursive ();
+
+private:
+  void list (const std::string&, std::vector <std::string>&, bool);
+};
+
+#endif
+////////////////////////////////////////////////////////////////////////////////