Enhancement - Subst object

- Implemented most of Subst object, except Subst::apply

src/sandbox/Subst.h

@@ -0,0 +1,52 @@
+////////////////////////////////////////////////////////////////////////////////
+// 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_SUBST
+#define INCLUDED_SUBST
+
+#include <string>
+#include <Record.h>
+
+class Subst
+{
+public:
+  Subst ();                        // Default constructor
+  Subst (const std::string&);      // Default constructor
+  Subst (const Subst&);            // Copy constructor
+  Subst& operator= (const Subst&); // Assignment operator
+  ~Subst ();                       // Destructor
+
+  bool parse (const std::string&);
+  void apply (Record&) const;
+
+public:
+  std::string mFrom;
+  std::string mTo;
+  bool mGlobal;
+};
+
+#endif
+////////////////////////////////////////////////////////////////////////////////