text: /*      -*- c++ -*-
   *
   * (C) Copyright Pigeon Point Systems. 2011
   *
   * This program is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTConsoleLITY or FITNESS FOR A PARTICULAR PURPOSE.  This
   * file and program are licensed under a BSD style license.  See
   * the Copying file included with the OpenHPI distribution for
   * full licensing terms.
   *
   * Author(s):
   *        Anton Pak <anton.pak@pigeonpoint.com>
   */
  
  #ifndef CONSOLE_H_FB2B5DD5_4E7D_49F5_9397_C2FEC21B4010
  #define CONSOLE_H_FB2B5DD5_4E7D_49F5_9397_C2FEC21B4010
  
  #include <stddef.h>
  
  #include <list>
  #include <string>
  #include <vector>
  
  #include "object.h"
  #include "server.h"
  
  
  namespace TA {
  
  
  /**************************************************************
   * class cConsoleCmd
   *************************************************************/
  class cConsole;
  
  struct cConsoleCmd
  {
      typedef std::vector<std::string> Args;
      typedef void ( cConsole::*CmdHandler)( const Args& args );
  
      explicit cConsoleCmd( const std::string& _name,
                       const std::string& _usage,
                       const std::string& _info,
                       CmdHandler _cmd_handler,
                       size_t _nargs )
          : name( _name ),
            usage( _usage ),
            info( _info ),
            cmd_handler( _cmd_handler ),
            nargs( _nargs )
      {
          // empty
      }
  
      std::string name;
      std::string usage;
      std::string info;
      CmdHandler  cmd_handler;
      size_t      nargs;
  };
  
  
  /**************************************************************
   * class cConsole
   *************************************************************/
  class cHandler;
  typedef std::list<std::string> ObjectPath;
  
  class cConsole : private cServer
  {
  public:
  
      explicit cConsole( cHandler& handler, uint16_t port, cObject& root );
      virtual ~cConsole();
  
      bool Init();
      void Send( const char * data, size_t len ) const;
      void Send( const char * str ) const;
      void Send( const std::string& str ) const;
  
  private:
  
      cConsole( const cConsole& );
      cConsole& operator =( const cConsole& );
  
  private: // cServer virtual functions
  
      virtual void WelcomeUser() const;
      virtual void ProcessUserLine( const std::vector<char>& line,
                                    bool& quit );
  
  private: // Console commands
  
      void CmdHelp( const cConsoleCmd::Args& args );
      void CmdQuit( const cConsoleCmd::Args& args );
      void CmdLs( const cConsoleCmd::Args& args );
      void CmdCd( const cConsoleCmd::Args& args );
      void CmdNew( const cConsoleCmd::Args& args );
      void CmdRm( const cConsoleCmd::Args& args );
      void CmdSet( const cConsoleCmd::Args& args );
  
  private:
  
      void SendOK( const std::string& msg );
      void SendERR( const std::string& msg );
      void SendCurrentPath() const;
      cObject * GetObject( const ObjectPath& path ) const;
      cObject * TestAndGetCurrentObject();
      void MakeNewPath( ObjectPath& path, const std::string& path_str ) const;
  
  private: // data
  
      cHandler&                 m_handler;
      std::vector<cConsoleCmd > m_cmds;
      bool                      m_quit;
      ObjectPath                m_path;
      cObject&                  m_root;
  };
  
  
  }; // namespace TA
  
  
  #endif // CONSOLE_H_FB2B5DD5_4E7D_49F5_9397_C2FEC21B4010
  
  