WIP some implementation drafting...

src/proc/control/command-impl.cpp

@@ -0,0 +1,56 @@
+/*
+  CommandImpl  -  Proc-Layer command implementation (top level)
+ 
+  Copyright (C)         Lumiera.org
+    2009,               Hermann Vosseler <Ichthyostega@web.de>
+ 
+  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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ 
+* *****************************************************/
+
+
+/** @file command-impl.cpp 
+ ** //TODO 
+ ** 
+ ** @see command.hpp
+ ** @see command-registry.hpp
+ **
+ */
+
+
+#include "proc/control/command-impl.hpp"
+//#include "proc/mobject/mobject-ref.hpp"
+//#include "proc/mobject/mobject.hpp"
+//#include "proc/mobject/placement.hpp"
+
+//#include <boost/format.hpp>
+//using boost::str;
+
+namespace control {
+  
+
+
+  /** */
+  CommandImpl::~CommandImpl() { }
+  
+
+  /** */
+  
+
+  
+  
+  
+  
+} // namespace control

src/proc/control/command-impl.hpp

@@ -0,0 +1,99 @@
+/*
+  COMMAND-IMPL.hpp  -  Proc-Layer command implementation (top level)
+ 
+  Copyright (C)         Lumiera.org
+    2009,               Hermann Vosseler <Ichthyostega@web.de>
+ 
+  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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ 
+*/
+
+
+/** @file command-impl.hpp
+ ** Top level of the command implementation. CommandImpl holds together
+ ** the various data and sub-objects involved into the inner workings of a
+ ** Proc-Layer command. It serves to implement a "command definition" (prototype)
+ ** as well as a concrete command instance. It is a data holder with a well defined
+ ** identity and usually located within the (pooled) storage managed by the
+ ** CommandRegistry. Client code gets access to a specific CommandImpl through
+ ** a Command instance, which is a small (refcounting smart-ptr) handle.
+ ** 
+ ** //TODO 
+ **
+ ** @see Command
+ ** @see ProcDispatcher
+ **
+ */
+
+
+
+#ifndef CONTROL_COMMAND_IMPL_H
+#define CONTROL_COMMAND_IMPL_H
+
+#include "proc/control/command.hpp"
+
+//#include <tr1/memory>
+
+
+
+namespace control {
+  
+
+  
+  
+  /**
+   * @todo Type-comment
+   */
+  class CommandImpl
+    {
+      
+    public:
+      /* === command registry === */
+      
+      
+     ~CommandImpl();
+      
+      
+      /** core operation: invoke the command
+       *  @param execPattern describes the individual steps
+       *         necessary to get this command invoked properly
+       */
+      void exec (HandlingPattern const& execPattern);
+      
+      
+      template<typename TYPES>
+      void bindArg (Tuple<TYPES> const&);
+      
+      
+      /* === diagnostics === */
+      
+      bool isValid()  const;
+      bool canExec()  const;
+      bool canUndo()  const;
+      
+    protected:
+//     static Command& fetchDef (Symbol cmdID);
+     
+//     friend class CommandDef;
+
+    };
+  ////////////////TODO currently just fleshing  out the API....
+  
+
+
+  
+  
+} // namespace control
+#endif

src/proc/control/command.cpp

@@ -2,7 +2,7 @@
   Command  -  Key abstraction for proc/edit operations and UNDO management
  
   Copyright (C)         Lumiera.org
-    2008,               Hermann Vosseler <Ichthyostega@web.de>
+    2009,               Hermann Vosseler <Ichthyostega@web.de>
  
   This program is free software; you can redistribute it and/or
   modify it under the terms of the GNU General Public License as

src/proc/control/command.hpp

@@ -40,6 +40,7 @@
 #include "proc/control/command-mutation.hpp"
 #include "proc/control/command-closure.hpp"
 #include "lib/bool-checkable.hpp"
+#include "lib/handle.hpp"
 
 //#include <tr1/memory>
 
@@ -68,6 +69,7 @@ namespace control {
   class Command
     : public com::ArgumentBinder<Command
            , lib::BoolCheckable<Command> >
+    ////////////////////////////////////////////////////////////////TODO: inherit from lib/handle
     {
       
     public: