Enhancements - Cmd object

- New Cmd object to handle localized commands, customReports and general
  command parsing.
- Localized new Subst methods.
- Relocate guess method from parse.cpp to text.cpp.
- Converted Att object to use new valid/parse scheme.
- Unit tests for Cmd object.
- Fixed att.t.cpp unit tests.

src/tests/cmd.t.cpp

@@ -0,0 +1,71 @@
+////////////////////////////////////////////////////////////////////////////////
+// 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
+//
+////////////////////////////////////////////////////////////////////////////////
+#include <Context.h>
+#include <Cmd.h>
+#include <test.h>
+
+Context context;
+
+////////////////////////////////////////////////////////////////////////////////
+int main (int argc, char** argv)
+{
+  UnitTest t (18);
+
+  context.config.set ("report.foo.columns", "id");
+
+  Cmd cmd;
+  t.ok (cmd.valid ("annotate"), "Cmd::valid annotate");
+  t.ok (cmd.valid ("annotat"),  "Cmd::valid annotat");
+  t.ok (cmd.valid ("annota"),   "Cmd::valid annota");
+  t.ok (cmd.valid ("annot"),    "Cmd::valid annot");
+  t.ok (cmd.valid ("anno"),     "Cmd::valid anno");
+  t.ok (cmd.valid ("ann"),      "Cmd::valid ann");
+  t.ok (cmd.valid ("an"),       "Cmd::valid an");
+
+  t.ok (cmd.valid ("ANNOTATE"), "Cmd::valid ANNOTATE");
+  t.ok (cmd.valid ("ANNOTAT"),  "Cmd::valid ANNOTAT");
+  t.ok (cmd.valid ("ANNOTA"),   "Cmd::valid ANNOTA");
+  t.ok (cmd.valid ("ANNOT"),    "Cmd::valid ANNOT");
+  t.ok (cmd.valid ("ANNO"),     "Cmd::valid ANNO");
+  t.ok (cmd.valid ("ANN"),      "Cmd::valid ANN");
+  t.ok (cmd.valid ("AN"),       "Cmd::valid AN");
+
+  t.ok    (cmd.validCustom ("foo"), "Cmd::validCustom foo");
+  t.notok (cmd.validCustom ("bar"), "Cmd::validCustom bar -> fail");
+
+  bool good = true;
+  try { cmd.parse ("a"); } catch (...) { good = false; }
+  t.notok (good, "Cmd::parse a -> fail");
+
+  good = true;
+  try { cmd.parse ("add"); } catch (...) { good = false; }
+  t.ok (good, "Cmd::parse add");
+
+  return 0;
+}
+
+////////////////////////////////////////////////////////////////////////////////