Build System

- Added new src/commands and src/columns intermediate libs.
- Began implementation of the first Command object.
- Began implementation of the first Column object.
- TDB2, Variant updates.

.gitignore

@@ -4,6 +4,8 @@ commit.h
 Makefile
 */*task
 */*libtask.a
+*/*/libcommands.a
+*/*/libcolumns.a
 *~
 .*.swp
 package-config/osx/binary/task

CMakeLists.txt

@@ -21,7 +21,6 @@ if (EXISTS .git/index)
   message ("-- Found SHA1 reference: ${COMMIT}")
 endif (EXISTS .git/index)
 
-
 set (PACKAGE "${PROJECT_NAME}")
 set (VERSION "${PROJECT_VERSION}")
 set (PACKAGE_BUGREPORT "support@taskwarrior.org")
@@ -39,26 +38,15 @@ if (LUA51_FOUND)
   set (TASK_LIBRARIES    ${TASK_LIBRARIES}    ${LUA_LIBRARIES})
 endif (LUA51_FOUND)
 
-message ("-- Looking for pthread")
+#message ("-- Looking for pthread")
-find_path (PTHREAD_INCLUDE_DIR pthread.h)
+#find_path (PTHREAD_INCLUDE_DIR pthread.h)
-find_library (PTHREAD_LIBRARY NAMES pthread)
+#find_library (PTHREAD_LIBRARY NAMES pthread)
-if (PTHREAD_INCLUDE_DIR AND PTHREAD_LIBRARY)
+#if (PTHREAD_INCLUDE_DIR AND PTHREAD_LIBRARY)
-  message ("-- Found pthread: ${PTHREAD_LIBRARY}")
+#  message ("-- Found pthread: ${PTHREAD_LIBRARY}")
-  set (HAVE_LIBPTHREAD true)
+#  set (HAVE_LIBPTHREAD true)
-  set (TASK_INCLUDE_DIRS ${TASK_INCLUDE_DIRS} ${PTHREAD_INCLUDE_DIR})
+#  set (TASK_INCLUDE_DIRS ${TASK_INCLUDE_DIRS} ${PTHREAD_INCLUDE_DIR})
-  set (TASK_LIBRARIES    ${TASK_LIBRARIES}    ${PTHREAD_LIBRARIES})
+#  set (TASK_LIBRARIES    ${TASK_LIBRARIES}    ${PTHREAD_LIBRARIES})
-endif (PTHREAD_INCLUDE_DIR AND PTHREAD_LIBRARY)
+#endif (PTHREAD_INCLUDE_DIR AND PTHREAD_LIBRARY)
-
-#message ("-- Looking for readline")
-#find_path    (READLINE_INCLUDE_DIR   readline/readline.h)
-#find_library (READLINE_LIBRARY NAMES readline)
-#if (READLINE_INCLUDE_DIR AND READLINE_LIBRARY)
-#  message ("-- Found readline: ${READLINE_LIBRARY}")
-#  set (HAVE_LIBREADLINE true)
-#  set (HAVE_READLINE true)
-#  set (TASK_INCLUDE_DIRS ${TASK_INCLUDE_DIRS} ${READLINE_INCLUDE_DIR})
-#  set (TASK_LIBRARIES    ${TASK_LIBRARIES }   ${READLINE_LIBRARIES})
-#endif (READLINE_INCLUDE_DIR AND READLINE_LIBRARY)
 
 check_function_exists (random  HAVE_RANDOM)
 check_function_exists (srandom HAVE_SRANDOM)
@@ -69,7 +57,7 @@ if (${CMAKE_SYSTEM_NAME} MATCHES "Linux")
 elseif (${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
   set (DARWIN true)
 elseif (${CMAKE_SYSTEM_NAME} MATCHES "FreeBSD")
-	set (FREEBSD true)
+  set (FREEBSD true)
 else (${CMAKE_SYSTEM_NAME} MATCHES "Linux")
   set (UNKNOWN true)
 endif (${CMAKE_SYSTEM_NAME} MATCHES "Linux")
@@ -80,6 +68,8 @@ configure_file (
   ${CMAKE_SOURCE_DIR}/cmake.h)
 
 add_subdirectory (src)
+add_subdirectory (src/commands)
+add_subdirectory (src/columns)
 add_subdirectory (doc)
 add_subdirectory (i18n)
 add_subdirectory (scripts)

doc/CMakeLists.txt

@@ -1,3 +1,4 @@
+cmake_minimum_required (VERSION 2.8)
 message ("-- Configuring man pages")
 set (man_FILES task-color.5 task-faq.5 task-sync.5 task-tutorial.5 task.1 taskrc.5)
 foreach (man_FILE ${man_FILES})

i18n/CMakeLists.txt

@@ -1,3 +1,4 @@
+cmake_minimum_required (VERSION 2.8)
 install (DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/ DESTINATION ${TASK_DOCDIR}/i18n
                                                 FILES_MATCHING REGEX "tips.*"
                                                                PATTERN "CMakeFiles" EXCLUDE)

scripts/CMakeLists.txt

@@ -1 +1,2 @@
+cmake_minimum_required (VERSION 2.8)
 install (DIRECTORY bash fish vim zsh add-ons extensions DESTINATION ${TASK_DOCDIR}/scripts)

src/CMakeLists.txt

@@ -1,4 +1,7 @@
+cmake_minimum_required (VERSION 2.8)
 include_directories (${CMAKE_SOURCE_DIR}/src
+                     ${CMAKE_SOURCE_DIR}/src/commands
+                     ${CMAKE_SOURCE_DIR}/src/columns
                      ${TASK_INCLUDE_DIRS})
 
 set (task_SRCS API.cpp API.h Att.cpp Att.h Cmd.cpp Cmd.h Color.cpp Color.h
@@ -21,7 +24,7 @@ set (task_SRCS API.cpp API.h Att.cpp Att.h Cmd.cpp Cmd.h Color.cpp Color.h
 
 add_library (task STATIC ${task_SRCS})
 add_executable (task_executable main.cpp)
-target_link_libraries (task_executable task ${TASK_LIBRARIES})
+target_link_libraries (task_executable task commands columns ${TASK_LIBRARIES})
 set_property (TARGET task_executable PROPERTY OUTPUT_NAME "task")
 
 install (TARGETS task_executable DESTINATION ${TASK_BINDIR})

src/Context.h

@@ -27,16 +27,17 @@
 #ifndef INCLUDED_CONTEXT
 #define INCLUDED_CONTEXT
 
-#include "Filter.h"
+#include <Command.h>
-#include "Config.h"
+#include <Filter.h>
-#include "Sequence.h"
+#include <Config.h>
-#include "Subst.h"
+#include <Sequence.h>
-#include "Cmd.h"
+#include <Subst.h>
-#include "Task.h"
+#include <Cmd.h>
-#include "TDB.h"
+#include <Task.h>
-#include "TDB2.h"
+#include <TDB.h>
-#include "Hooks.h"
+#include <TDB2.h>
-#include "DOM.h"
+#include <Hooks.h>
+#include <DOM.h>
 
 class Context
 {
@@ -82,13 +83,13 @@ public:
   Sequence                  sequence;
   Subst                     subst;
   Task                      task;
-  TDB                       tdb;
+  TDB                       tdb;                // TODO Obsolete
   TDB2                      tdb2;
   std::string               program;
   std::vector <std::string> args;
   std::string               file_override;
   std::string               var_overrides;
-  Cmd                       cmd;
+  Cmd                       cmd;                // TODO Obsolete
   std::map <std::string, std::string> aliases;
   std::vector <std::string> tagAdditions;
   std::vector <std::string> tagRemovals;
@@ -100,6 +101,8 @@ public:
   std::vector <std::string> debugMessages;
   bool                      inShadow;
 
+  std::vector <Command*>    commands;
+
   int                       terminal_width;
   int                       terminal_height;
 };

src/TDB2.cpp

@@ -29,20 +29,192 @@
 #include <TDB2.h>
 
 
+////////////////////////////////////////////////////////////////////////////////
+TF2::TF2 ()
+: _dirty (false)
+, _loaded_tasks (false)
+, _loaded_lines (false)
+, _loaded_contents (false)
+, _contents ("")
+{
+}
+
+////////////////////////////////////////////////////////////////////////////////
+TF2::~TF2 ()
+{
+}
+
+////////////////////////////////////////////////////////////////////////////////
+void TF2::target (const std::string& f)
+{
+  _file = File (f);
+}
+
+////////////////////////////////////////////////////////////////////////////////
+std::vector <Task>& TF2::get_tasks ()
+{
+  if (! _loaded_tasks)
+    load_tasks ();
+
+  return _tasks /*+ _added_tasks*/;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+std::vector <std::string>& TF2::get_lines ()
+{
+  if (! _loaded_lines)
+    load_lines ();
+
+  return _lines /*+ _added_lines*/;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+std::string& TF2::get_contents ()
+{
+  if (! _loaded_contents)
+    load_contents ();
+
+  return _contents;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+void TF2::add_task (const Task& task)
+{
+  _added_tasks.push_back (task);
+  _dirty = true;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+void TF2::modify_task (const Task& task)
+{
+  _modified_tasks.push_back (task);
+  _dirty = true;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+void TF2::add_line (const std::string& line)
+{
+  _added_lines.push_back (line);
+  _dirty = true;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// This is so that synch.key can just overwrite and not grow.
+void TF2::clear_lines ()
+{
+  _lines.clear ();
+  _dirty = true;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// Top-down recomposition.
+void TF2::commit ()
+{
+  // Load the lowest form, to allow
+  if (_dirty)
+  {
+    load_contents ();
+
+    if (_modified_tasks.size ())
+    {
+      std::map <std::string, Task> modified;
+      std::vector <Task>::iterator it;
+      for (it = _modified_tasks.begin (); it != _modified_tasks.end (); ++it)
+        modified[it->get ("uuid")] = *it;
+
+//    for (it = _
+
+     _modified_tasks.clear ();
+    }
+
+    if (_added_tasks.size ())
+    {
+      std::vector <Task>::iterator it;
+      for (it = _added_tasks.begin (); it != _added_tasks.end (); ++it)
+        _lines.push_back (it->composeF4 ());
+
+      _added_tasks.clear ();
+    }
+
+    if (_added_lines.size ())
+    {
+      //_lines += _added_lines;
+      _added_lines.clear ();
+    }
+
+// TODO This clobbers minimal case.
+
+    _contents = "";  // TODO Verify no resize.
+    join (_contents, "\n", _lines);
+    _file.write (_contents);
+
+    _dirty = false;
+  }
+}
+
+////////////////////////////////////////////////////////////////////////////////
+void TF2::load_tasks ()
+{
+  if (! _loaded_tasks)
+  {
+    if (! _loaded_lines)
+      load_lines ();
+
+    std::vector <std::string>::iterator i;
+    for (i = _lines.begin (); i != _lines.end (); ++i)
+      _tasks.push_back (Task (*i));
+
+    _loaded_tasks = true;
+  }
+}
+
+////////////////////////////////////////////////////////////////////////////////
+void TF2::load_lines ()
+{
+  if (! _loaded_lines)
+  {
+    if (! _loaded_contents)
+      load_contents ();
+
+    split (_lines, _contents, '\n');
+    _loaded_lines = true;
+  }
+}
+
+////////////////////////////////////////////////////////////////////////////////
+void TF2::load_contents ()
+{
+  if (! _loaded_contents)
+  {
+    _contents = "";
+
+    if (_file.open ())
+    {
+      if (_file.lock ())
+      {
+        _file.read (_contents);
+        _loaded_contents = true;
+      }
+      // TODO Error handling?
+    }
+    // TODO Error handling?
+  }
+}
+
+
+
+
+
+
+
+
+
+
+
+
 ////////////////////////////////////////////////////////////////////////////////
 TDB2::TDB2 ()
 : _location ("")
-, _loaded_pending_tasks (false)
-, _loaded_pending_lines (false)
-, _loaded_pending_contents (false)
-, _dirty_pending_tasks (false)
-, _dirty_pending_lines (false)
-, _dirty_pending_contents (false)
-, _pending_contents ("")
-
-, _completed_contents ("")
-, _backlog_contents ("")
-, _undo_contents ("")
 {
 }
 
@@ -54,122 +226,44 @@ TDB2::~TDB2 ()
 }
 
 ////////////////////////////////////////////////////////////////////////////////
+// Once a location is known, the files can be set up.  Note that they are not
+// read.
 void TDB2::set_location (const std::string& location)
 {
   _location = location;
-}
 
-////////////////////////////////////////////////////////////////////////////////
+  pending.target   (location + "/pending.data");
-std::vector <Task>& TDB2::get_pending_tasks ()
+  completed.target (location + "/completed.data");
-{
+  undo.target      (location + "/undo.data");
-  if (! _loaded_pending_tasks)
+  backlog.target   (location + "/backlog.data");
-    load_pending_tasks ();
+  synch_key.target (location + "/synch.key");
-
-  return _pending_tasks;
-}
-
-////////////////////////////////////////////////////////////////////////////////
-std::vector <std::string>& TDB2::get_pending_lines ()
-{
-  if (! _loaded_pending_lines)
-    load_pending_lines ();
-
-  return _pending_lines;
-}
-
-////////////////////////////////////////////////////////////////////////////////
-std::string& TDB2::get_pending_contents ()
-{
-  if (! _loaded_pending_contents)
-    load_pending_contents ();
-
-  return _pending_contents;
-}
-
-////////////////////////////////////////////////////////////////////////////////
-void TDB2::load_pending_tasks ()
-{
-  if (! _loaded_pending_tasks)
-  {
-    if (! _loaded_pending_lines)
-      load_pending_lines ();
-
-    std::vector <std::string>::iterator i;
-    for (i = _pending_lines.begin (); i != _pending_lines.end (); ++i)
-      _pending_tasks.push_back (Task (*i));
-
-    _loaded_pending_tasks = true;
-  }
-}
-
-////////////////////////////////////////////////////////////////////////////////
-void TDB2::load_pending_lines ()
-{
-  if (! _loaded_pending_lines)
-  {
-    if (! _loaded_pending_contents)
-      load_pending_contents ();
-
-    split (_pending_lines, _pending_contents, '\n');
-    _loaded_pending_lines = true;
-  }
-}
-
-////////////////////////////////////////////////////////////////////////////////
-void TDB2::load_pending_contents ()
-{
-  if (! _loaded_pending_contents)
-  {
-    _pending_contents = "";
-    _dirty_pending_contents = false;
-
-    // TODO pending_file = File (_location + "/pending.data");
-    // TODO pending_file.openAndLock ();
-    // TODO pending_file.read (_pending_contents);
-
-    _loaded_pending_contents = true;
-  }
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 void TDB2::add (const Task& task)
 {
-  // TODO Handle pending vs completed/deleted
+  // Use the raw string form for speed.
-
+  std::string status = task.get ("status");
-  _dirty_pending_tasks = true;
+  if (status == "completed" || status == "deleted")
+    completed.add_task (task);
+  else
+    pending.add_task (task);
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 void TDB2::modify (const Task& task)
 {
   // TODO Handle pending vs completed/deleted
-
-  _dirty_pending_tasks = true;
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 void TDB2::commit ()
 {
-  if (_dirty_pending_tasks)
+  pending.commit ();
-  {
+  completed.commit ();
-    // TODO Compose _pending_lines from _pending_tasks
+  undo.commit ();
-    _dirty_pending_tasks = false;
+  backlog.commit ();
-  }
+  synch_key.commit ();
-
-  if (_dirty_pending_lines)
-  {
-   _pending_contents = "";  // TODO Verify no resize.
-    join (_pending_contents, "\n", _pending_lines);
-    _dirty_pending_lines = false;
-  }
-
-  if (_dirty_pending_contents)
-  {
-    // TODO Write _pending_contents to file.
-    // TODO _pending_file.write (_pending_contents);
-
-    _dirty_pending_contents = false;
-  }
 }
 
 ////////////////////////////////////////////////////////////////////////////////

src/TDB2.h

@@ -34,6 +34,46 @@
 #include <File.h>
 #include <Task.h>
 
+// TF2 Class represents a single file in the task database.
+class TF2
+{
+public:
+  TF2 ();
+  ~TF2 ();
+
+  void target (const std::string&);
+
+  std::vector <Task>& get_tasks ();
+  std::vector <std::string>& get_lines ();
+  std::string& get_contents ();
+
+  void add_task (const Task&);
+  void modify_task (const Task&);
+  void add_line (const std::string&);
+  void clear_lines ();
+  void commit ();
+
+private:
+  void load_tasks ();
+  void load_lines ();
+  void load_contents ();
+
+private:
+  bool _dirty;
+  bool _loaded_tasks;
+  bool _loaded_lines;
+  bool _loaded_contents;
+  std::vector <Task> _tasks;
+  std::vector <Task> _added_tasks;
+  std::vector <Task> _modified_tasks;
+  std::vector <std::string> _lines;
+  std::vector <std::string> _added_lines;
+  std::string _contents;
+  File _file;
+};
+
+
+// TDB2 Class represents all the files in the task database.
 class TDB2
 {
 public:
@@ -41,37 +81,19 @@ public:
   ~TDB2 ();
 
   void set_location (const std::string&);
-
-  std::vector <Task>& get_pending_tasks ();
-  std::vector <std::string>& get_pending_lines ();
-  std::string& get_pending_contents ();
-
   void add (const Task&);
   void modify (const Task&);
   void commit ();
 
-private:
+public:
-  void load_pending_tasks ();
+  TF2 pending;
-  void load_pending_lines ();
+  TF2 completed;
-  void load_pending_contents ();
+  TF2 undo;
+  TF2 backlog;
+  TF2 synch_key;
 
 private:
   std::string _location;
-
-  bool _loaded_pending_tasks;
-  bool _loaded_pending_lines;
-  bool _loaded_pending_contents;
-  bool _dirty_pending_tasks;
-  bool _dirty_pending_lines;
-  bool _dirty_pending_contents;
-  std::vector <Task> _pending_tasks;
-  std::vector <std::string> _pending_lines;
-  std::string _pending_contents;
-  File _pending_file;
-
-  std::string _completed_contents;
-  std::string _backlog_contents;
-  std::string _undo_contents;
 };
 
 

src/Variant.cpp

@@ -789,10 +789,10 @@ void Variant::cast (const variant_type type)
   else if (mType == v_string && type == v_double)
     mDouble = atol (mString.c_str ());
 
-  // From v_date
+  // TODO From v_date
 
 
-  // From v_duration
+  // TODO From v_duration
 
 
   mType = type;
@@ -805,4 +805,35 @@ Variant::variant_type Variant::type ()
 }
 
 ////////////////////////////////////////////////////////////////////////////////
+void Variant::promote (Variant& lhs, Variant& rhs)
+{
+  // Short circuit.
+  if (lhs.type () == rhs.type ())
+    return;
+
+  variant_type newType;
+  switch (lhs.type () | rhs.type ())
+  {
+  case v_boolean | v_integer:    newType = v_integer;   break;
+  case v_boolean | v_double:     newType = v_double;    break;
+  case v_boolean | v_string:     newType = v_string;    break;
+  case v_boolean | v_date:       newType = v_date;      break;
+  case v_boolean | v_duration:   newType = v_duration;  break;
+  case v_integer | v_double:     newType = v_integer;   break;
+  case v_integer | v_string:     newType = v_string;    break;
+  case v_integer | v_date:       newType = v_date;      break;
+  case v_integer | v_duration:   newType = v_duration;  break;
+  case v_double  | v_string:     newType = v_string;    break;
+  case v_double  | v_date:       newType = v_date;      break;
+  case v_double  | v_duration:   newType = v_duration;  break;
+  case v_string  | v_date:       newType = v_date;      break;
+  case v_string  | v_duration:   newType = v_duration;  break;
+  case v_date    | v_duration:   newType = v_date;      break;
+  }
+
+  lhs.cast (newType);
+  rhs.cast (newType);
+}
+
+////////////////////////////////////////////////////////////////////////////////
 

src/Variant.h

@@ -37,14 +37,14 @@ class Variant
 public:
   enum variant_type
   {
-    v_unknown,
+    v_unknown  = 1,
-    v_boolean,
+    v_boolean  = 2,
-    v_integer,
+    v_integer  = 4,
-    v_double,
+    v_double   = 8,
-    v_string,
+    v_string   = 16,
-    v_date,
+    v_date     = 32,
-    v_duration,
+    v_duration = 64,
-    v_other
+    v_other    = 128
   };
 
   Variant ();
@@ -89,6 +89,7 @@ public:
   std::string format ();
   void cast (const variant_type);
   variant_type type ();
+  void promote (Variant&, Variant&);
 
 private:
   variant_type mType;

src/columns/CMakeLists.txt

@@ -0,0 +1,13 @@
+cmake_minimum_required (VERSION 2.8)
+include_directories (${CMAKE_SOURCE_DIR}/src
+                     ${CMAKE_SOURCE_DIR}/src/commands
+                     ${CMAKE_SOURCE_DIR}/src/columns
+                     ${TASK_INCLUDE_DIRS})
+
+set (columns_SRCS Column.cpp Column.h)
+
+add_library (columns STATIC ${columns_SRCS})
+
+set (CMAKE_BUILD_TYPE debug)
+set (CMAKE_C_FLAGS_DEBUG "-ggdb3")
+set (CMAKE_C_FLAGS_RELEASE "-O3")

src/columns/Column.cpp

@@ -26,16 +26,19 @@
 ////////////////////////////////////////////////////////////////////////////////
 
 #include <iostream>
+#include <Context.h>
 #include <Column.h>
 
 extern Context context;
 
 ////////////////////////////////////////////////////////////////////////////////
-static Column* Column::factory (const std::string& name)
+Column* Column::factory (const std::string& name)
 {
+/*
   if (name == "description")  return new ColumnDescription ();
 
   throw std::string ("Unrecognized column type '") + name + "'";
+*/
   return NULL;
 }
 

src/columns/Column.h

@@ -56,11 +56,5 @@ private:
   sizing      _sizing;
 };
 
-class ColumnDescription : public Column
-{
-public:
-private:
-};
-
 #endif
 ////////////////////////////////////////////////////////////////////////////////

src/commands/CMakeLists.txt

@@ -0,0 +1,14 @@
+cmake_minimum_required (VERSION 2.8)
+include_directories (${CMAKE_SOURCE_DIR}/src
+                     ${CMAKE_SOURCE_DIR}/src/commands
+                     ${CMAKE_SOURCE_DIR}/src/columns
+                     ${TASK_INCLUDE_DIRS})
+
+set (commands_SRCS Command.cpp Command.h
+                  Install.cpp Install.h)
+
+add_library (commands STATIC ${commands_SRCS})
+
+set (CMAKE_BUILD_TYPE debug)
+set (CMAKE_C_FLAGS_DEBUG "-ggdb3")
+set (CMAKE_C_FLAGS_RELEASE "-O3")

src/commands/Command.cpp

@@ -27,9 +27,21 @@
 
 #include <iostream>
 #include <Command.h>
+#include <Context.h>
 
 extern Context context;
 
+////////////////////////////////////////////////////////////////////////////////
+Command* Command::factory (const std::string& name)
+{
+/*
+  if (name == "install")  return new Install ();
+
+  throw std::string ("Unrecognized command '") + name + "'";
+*/
+  return NULL;
+}
+
 ////////////////////////////////////////////////////////////////////////////////
 Command::Command ()
 {

src/commands/Command.h

@@ -38,6 +38,8 @@ public:
   bool operator== (const Command&) const;     // TODO Is this necessary?
   ~Command ();
 
+  static Command* factory (const std::string&);
+
   bool implements (const std::string&) const;
   std::string execute (const std::string&);
 

src/commands/Install.cpp

@@ -0,0 +1,91 @@
+////////////////////////////////////////////////////////////////////////////////
+// taskwarrior - a command line task list manager.
+//
+// Copyright 2006 - 2011, Paul Beckingham, Federico Hernandez.
+// 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 <iostream>
+#include <Install.h>
+#include <Context.h>
+
+extern Context context;
+
+////////////////////////////////////////////////////////////////////////////////
+Install::Install ()
+{
+}
+
+////////////////////////////////////////////////////////////////////////////////
+Install::Install (const Install& other)
+{
+/*
+  _minimum = other._minimum;
+*/
+}
+
+////////////////////////////////////////////////////////////////////////////////
+Install& Install::operator= (const Install& other)
+{
+  if (this != &other)
+  {
+/*
+    _name    = other._name;
+*/
+  }
+
+  return *this;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+bool Install::operator== (const Install& other) const
+{
+  return false;
+/*
+  return _name    == other._name    &&
+         _minimum == other._minimum &&
+         _maximum == other._maximum &&
+         _wrap    == other._wrap    &&
+         _just    == other._just    &&
+         _sizing  == other._sizing;
+*/
+}
+
+////////////////////////////////////////////////////////////////////////////////
+Install::~Install ()
+{
+}
+
+////////////////////////////////////////////////////////////////////////////////
+bool Install::implements (const std::string&) const
+{
+  return false;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+std::string Install::execute (const std::string&)
+{
+  return "output";
+}
+
+////////////////////////////////////////////////////////////////////////////////

src/commands/Install.h

@@ -0,0 +1,49 @@
+////////////////////////////////////////////////////////////////////////////////
+// taskwarrior - a command line task list manager.
+//
+// Copyright 2006 - 2011, Paul Beckingham, Federico Hernandez.
+// 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_INSTALL
+#define INCLUDED_INSTALL
+
+#include <string>
+#include <Command.h>
+
+class Install : Command
+{
+public:
+  Install ();
+  Install (const Install&);
+  Install& operator= (const Install&);
+  bool operator== (const Install&) const;     // TODO Is this necessary?
+  ~Install ();
+
+  bool implements (const std::string&) const;
+  std::string execute (const std::string&);
+
+private:
+};
+
+#endif
+////////////////////////////////////////////////////////////////////////////////

test/CMakeLists.txt

@@ -1,5 +1,7 @@
 cmake_minimum_required (VERSION 2.8)
 include_directories (${CMAKE_SOURCE_DIR}/src
+                     ${CMAKE_SOURCE_DIR}/src/commands
+                     ${CMAKE_SOURCE_DIR}/src/columns
                      ${CMAKE_SOURCE_DIR}/test
                      ${TASK_INCLUDE_DIRS})
 
@@ -17,5 +19,5 @@ add_custom_target (build_tests DEPENDS ${test_SRCS}
 
 foreach (src_FILE ${test_SRCS})
   add_executable (${src_FILE} "${src_FILE}.cpp" test.cpp)
-  target_link_libraries (${src_FILE} task ${TASK_LIBRARIES})
+  target_link_libraries (${src_FILE} task commands columns ${TASK_LIBRARIES})
 endforeach (src_FILE)