Enhancement - usage and help commands

- Implemented usage and help commands.

src/Context.cpp

@@ -164,6 +164,7 @@ void Context::dispatch ()
   else if (cmd.command == "tags")           { out = handleTags ();     }
   else if (cmd.command == "colors")         { out = handleColor ();    }
   else if (cmd.command == "version")        { out = handleVersion ();  }
+  else if (cmd.command == "help")           { out = longUsage ();      }
 /*
   else if (command == "info")               { out = handleInfo            (); }
   else if (command == "stats")              { out = handleReportStats     (); }
@@ -172,7 +173,6 @@ void Context::dispatch ()
   else if (command == "calendar")           { out = handleReportCalendar  (); }
   else if (command == "summary")            { out = handleReportSummary   (); }
   else if (command == "timesheet")          { out = handleReportTimesheet (); }
-  else if (command == "help")               { out = longUsage             (); }
 
   // Commands that cause updates.
   else if (command == "" && task.getId ())  { cmdMod = true; out = handleModify    (); }
@@ -197,8 +197,10 @@ void Context::dispatch ()
   else if (isCustomReport (command))        { if (gc) gcMod = tdb.gc (); out = handleCustomReport  (command); }
 
   // If the command is not recognized, display usage.
+*/
   else                                      { out = shortUsage (); }
 
+/*
   // Only update the shadow file if such an update was not suppressed (shadow),
   // and if an actual change occurred (gcMod || cmdMod).
   if (shadow && (gcMod || cmdMod))

src/task.cpp

@@ -54,7 +54,7 @@
 Context context;
 
 ////////////////////////////////////////////////////////////////////////////////
-static std::string shortUsage ()
+std::string shortUsage ()
 {
   std::stringstream out;
   Table table;
@@ -241,7 +241,7 @@ static std::string shortUsage ()
 }
 
 ////////////////////////////////////////////////////////////////////////////////
-static std::string longUsage ()
+std::string longUsage ()
 {
   std::stringstream out;
   out << shortUsage ()
@@ -462,7 +462,6 @@ std::string runTaskCommand (
   else if (command == "calendar")           { out = handleReportCalendar  (tdb, task); }
   else if (command == "summary")            { out = handleReportSummary   (tdb, task); }
   else if (command == "timesheet")          { out = handleReportTimesheet (tdb, task); }
-  else if (command == "help")               { out = longUsage             (         ); }
 
   // Commands that cause updates.
   else if (command == "" && task.getId ())  { cmdMod = true; out = handleModify    (tdb, task); }
@@ -486,9 +485,6 @@ std::string runTaskCommand (
   else if (command == "overdue")            { if (gc) gcMod = tdb.gc (); out = handleReportOverdue (tdb, task); }
   else if (isCustomReport (command))        { if (gc) gcMod = tdb.gc (); out = handleCustomReport  (tdb, task, command); }
 
-  // If the command is not recognized, display usage.
-  else                                      { out = shortUsage (); }
-
   // Only update the shadow file if such an update was not suppressed (shadow),
   // and if an actual change occurred (gcMod || cmdMod).
   if (shadow && (gcMod || cmdMod))

src/task.h

@@ -53,6 +53,8 @@ void gatherNextTasks (const TDB&, T&, std::vector <T>&, std::vector <int>&);
 void onChangeCallback ();
 std::string runTaskCommand (int, char**, TDB&, bool gc = true, bool shadow = true);
 std::string runTaskCommand (std::vector <std::string>&, TDB&, bool gc = false, bool shadow = false);
+std::string shortUsage ();
+std::string longUsage ();
 
 // recur.cpp
 void handleRecurrence ();