interpreter.hpp

"More for C++" is a class library that provides some features that are usually common for object ori

//
//  This file is part of the "More for C++" library
//
//  Copyright (c) 1999-2003 by Thorsten Goertz ([e-mail])
//
//  The "More for C++" library is free software; you can redistribute it and/or
//  modify it under the terms of the license that comes with this package.
//
//  Read "license.txt" for more details.
//
//  THIS PACKAGE IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR IMPLIED
//  WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES
//  OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.

////////////////////////////////////////////////////////////////////////////////

#ifndef MORE_SCRIPT_INTERPRETER_HPP
#define MORE_SCRIPT_INTERPRETER_HPP

////////////////////////////////////////////////////////////////////////////////

#include <more/pointer.hpp>
#include <more/string.hpp>
#include <more/core/static.hpp>
#include <more/io/streams.hpp>
#include <more/os/file.hpp>

////////////////////////////////////////////////////////////////////////////////

namespace more
{
  namespace script
  {
    class Interpreter
    {
      public:
        class NotAvailable: public more::Exception
        {
          public:
            virtual operator const char* ( ) const;
        };

        static p<Interpreter> retrieve( const String& sLanguage ) throw( NotAvailable );

        virtual void invoke( const String& sStatement,
                             const p<more::io::OutputStream>&,
                             const p<more::os::Directory>& pWorkingDirectory = 0 ) = 0;
      protected:
        virtual ~Interpreter( );
    };

    typedef p<Interpreter> InterpreterPtr;


    class InterpreterFactory: public more::core::Static
    {
      public:
        virtual const char* getLanguage( ) = 0;
        virtual InterpreterPtr createInterpreter( ) = 0;

      protected:
        virtual ~InterpreterFactory( );

        // interface more::core::Static
        virtual void init( );
        virtual void dispose( );
    };

    typedef p<InterpreterFactory> InterpreterFactoryPtr;
  }
}

////////////////////////////////////////////////////////////////////////////////

#endif