Integration - TDB

- Renamed TDB2 to TDB.
- Integration of new code complete.

src/TDB.h

@@ -0,0 +1,81 @@
+////////////////////////////////////////////////////////////////////////////////
+// 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_TDB
+#define INCLUDED_TDB
+
+#include <map>
+#include <vector>
+#include <string>
+#include <Location.h>
+#include <Filter.h>
+#include <Task.h>
+
+// Length of longest line.
+#define T_LINE_MAX 32768
+
+class TDB
+{
+public:
+  TDB ();  // Default constructor
+  ~TDB (); // Destructor
+
+  void  clear ();
+  void  location (const std::string&);
+
+  void  lock (bool lockFile = true);
+  void  unlock ();
+
+  int   load (std::vector <Task>&, Filter&);
+  int   loadPending (std::vector <Task>&, Filter&);
+  int   loadCompleted (std::vector <Task>&, Filter&);
+
+  void  add (Task&);             // Single task add to pending
+  void  update (Task&, Task&);   // Single task update to pending
+  int   commit ();               // Write out all tasks
+  void  upgrade ();              // Convert both files to FF4
+  int   gc ();                   // Clean up pending
+
+private:
+  FILE* openAndLock (const std::string&);
+
+private:
+  std::vector <Location> mLocations;
+  bool mLock;
+  bool mAllOpenAndLocked;
+  int mId;
+
+  std::vector <Task> mPending;   // Contents of pending.data
+//  std::vector <Task> mCompleted; // Contents of completed.data
+
+  std::vector <Task> mNew;       // Uncommitted new tasks
+  std::vector <Task> mModified;  // Uncommitted modified tasks
+
+  // TODO Need cache of raw file contents to preserve comments.
+};
+
+#endif
+////////////////////////////////////////////////////////////////////////////////