rtstreams.hpp

/***************************************************************************
  tag: Peter Soetens  Thu Oct 10 16:17:00 CEST 2002  rtstreams.hpp 

                        rtstreams.hpp -  description
                           -------------------
    begin                : Thu October 10 2002
    copyright            : (C) 2002 Peter Soetens
    email                : peter.soetens@mech.kuleuven.ac.be
 
 ***************************************************************************
 *   This library 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;                 *
 *   version 2 of the License.                                             *
 *                                                                         *
 *   As a special exception, you may use this file as part of a free       *
 *   software library without restriction.  Specifically, if other files   *
 *   instantiate templates or use macros or inline functions from this     *
 *   file, or you compile this file and link it with other files to        *
 *   produce an executable, this file does not by itself cause the         *
 *   resulting executable to be covered by the GNU General Public          *
 *   License.  This exception does not however invalidate any other        *
 *   reasons why the executable file might be covered by the GNU General   *
 *   Public License.                                                       *
 *                                                                         *
 *   This library 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     *
 *   Lesser General Public License for more details.                       *
 *                                                                         *
 *   You should have received a copy of the GNU General Public             *
 *   License along with this library; if not, write to the Free Software   *
 *   Foundation, Inc., 59 Temple Place,                                    *
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 ***************************************************************************/ 
 
#include "fosi.h"

#include "rtconversions.hpp"
#include "rtstreambufs.hpp"

#ifndef RTSTREAMS_HPP
#define RTSTREAMS_HPP

namespace RTT
{
namespace rt_std
{

    class RTT_API basic_streams
    {

        public:
            virtual ~basic_streams();

/*
            virtual void write( const char * c );
            virtual void write( const char * c, size_t n );
            virtual void write( const string s );
            virtual void put( char ch );
*/
/*            
            virtual string read( int n );
            virtual string read( char delimiter );
            virtual char read();
*/
    };

    class RTT_API basic_istreams
        : virtual public basic_streams
    {

        public:
            typedef streambufs::streamsize streamsize;

            basic_istreams( streambufs& s ) : buf(s) {}
            virtual ~basic_istreams();

            int get();
            basic_istreams& get(char& c);
            basic_istreams& get(char* c, streamsize n, char delim);
            basic_istreams& get(char* c, char delim);

            basic_istreams& read( char* c, streamsize n );
            streamsize readsome( char* c, streamsize n);


            basic_istreams& operator>>( int &i );
            basic_istreams& operator>>( char &c );
            basic_istreams& operator>>( double &f );
            basic_istreams& operator>>( std::string &s );
            basic_istreams& operator>>( unsigned int &u );
        private:
            streambufs& buf;
    };

    class RTT_API basic_ostreams : virtual public basic_streams
    {

        public:
            typedef streambufs::streamsize streamsize;

            basic_ostreams( streambufs& s ) : buf(s) {}
            virtual ~basic_ostreams();

            virtual basic_ostreams& put( char c );
            virtual basic_ostreams& write( const char * c, streamsize n );

            basic_ostreams& operator<<( int i );
            basic_ostreams& operator<<( long i );
            basic_ostreams& operator<<( char c );
            basic_ostreams& operator<<( char * c );
            basic_ostreams& operator<<( double f );
            basic_ostreams& operator<<( std::string s );
            basic_ostreams& operator<<( unsigned int u );
            basic_ostreams& operator<<( basic_ostreams & ( *f ) ( basic_ostreams & ) );
        private:
            streambufs& buf;
    };

//#ifdef __KERNEL__
// defined in the namespace rt_std
    basic_ostreams& endl( basic_ostreams& );
//#endif

    class RTT_API basic_iostreams
        : public basic_istreams, public basic_ostreams
    {
        public:
        basic_iostreams( streambufs& s) 
            : basic_istreams(s), basic_ostreams(s) {}
    };
            

    struct RTT_API print_helper { printbufs printer; };

    class RTT_API printstream
        : private print_helper, public basic_ostreams
    {

        public:
            printstream() : basic_ostreams(printer) {}
            virtual ~printstream();
    };

    extern printstream cout;
    
    struct RTT_API string_helper { string_helper() : str() {}; string_helper(const std::string& _init) :  str(_init) {};  stringbufs str; };
    
    class RTT_API stringstreams
        : private string_helper, public basic_iostreams
        {
            public:
                stringstreams(const std::string& _init) : string_helper(_init), basic_iostreams(str) {}
                stringstreams() : string_helper(), basic_iostreams(str) {}
                virtual ~stringstreams();
        };
        
}
}
#endif