CommandParser.hpp

/***************************************************************************
  tag: Peter Soetens  Mon Jan 19 14:11:26 CET 2004  CommandParser.hpp

                        CommandParser.hpp -  description
                           -------------------
    begin                : Mon January 19 2004
    copyright            : (C) 2004 Peter Soetens
    email                : peter.soetens@mech.kuleuven.ac.be

 ***************************************************************************
 *   This library is free software; you can redistribute it and/or         *
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#ifndef COMMANDPARSER_HPP
#define COMMANDPARSER_HPP

#include "parser-types.hpp"
#include "../PropertyBag.hpp"
#include "CommonParser.hpp"
#include "ExpressionParser.hpp"
#include "PeerParser.hpp"

#ifdef ORO_PRAGMA_INTERFACE
#pragma interface
#endif

namespace RTT
{
    class DispatchInterface;
    namespace detail {


  class CommandParser
  {
    // the object that the user wants to call a method on, in the
    // current call command..
    std::string mcurobject;

    // the method the user wants to call in the current call command..
    std::string mcurmethod;

      // dispatch the command per definition or let it be context dependent.
      bool mas_action;

    DispatchInterface* dcom;
    CommandInterface* retcommand;
    ConditionInterface* implicittermcondition;
    ConditionInterface* dispatchCond;
    TaskContext* peer;

    void seenmethodname( iter_t begin, iter_t end )
      {
        std::string methodname( begin, end );
        mcurmethod = methodname;
      };

    void seenstartofcall();
    void seennopcommand();

    void seencallcommand();

    rule_t objectmethod, command, callcommand, nopcommand, arguments;

    TaskContext* context;
    CommonParser& commonparser;
    ArgumentsParser* argsparser;
    ExpressionParser expressionparser;
      PeerParser peerparser;
  public:
      CommandParser( TaskContext* context, CommonParser& cp, bool as_action );
    ~CommandParser();

      bool foundObject() {
          return !mcurobject.empty();
      }
      bool foundMethod() {
          return !mcurmethod.empty();
      }

    rule_t& parser()
      {
        return command;
      };

      ConditionInterface* wrapCondition( ConditionInterface* );

      ConditionInterface* dispatchCondition();

    CommandInterface* getCommand()
      {
        return retcommand;
      }

    ConditionInterface* getImplTermCondition()
      {
        return implicittermcondition;
      }

      void reset();
  };
}}

#endif