copy_filter.h

//                                                                             
//  Copyright (C) 2008-2012  Artyom Beilis (Tonkikh) <artyomtnk@yahoo.com>     
//                                                                             
//  See accompanying file COPYING.TXT file for licensing details.
//
#ifndef CPPCMS_COPY_FILTER_H
#define CPPCMS_COPY_FILTER_H


#include <booster/streambuf.h>
#include <booster/noncopyable.h>
#include <booster/hold_ptr.h>
#include <cppcms/defs.h>
#include <list>
#include <ostream>

namespace cppcms {
        class CPPCMS_API copy_filter : public booster::noncopyable {
        public:
                copy_filter(std::ostream &output);
                ~copy_filter();
                std::string detach();
                
        private:
                class tee_device;
                struct data;
                booster::hold_ptr<data> d;
                booster::streambuf copy_buffer_;
                std::ostream &output_;
                std::ostream real_output_stream_;
                std::list<std::string> data_;
                bool detached_;
        };
} // cppcms


#endif