cppcms/http_file.h

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

#include <cppcms/defs.h>
#include <cppcms/cstdint.h>
#include <booster/hold_ptr.h>
#include <booster/nowide/fstream.h>
#include <booster/noncopyable.h>
#include <sstream>
#include <fstream>

namespace cppcms { namespace http {

        class request;

        class CPPCMS_API file : public booster::noncopyable {
        public:
                std::string name() const;
                std::string mime() const;
                std::string filename() const;

                std::istream &data();
                
                long long size();
                
                void save_to(std::string const &filename);


                void name(std::string const &);
                void mime(std::string const &);
                void filename(std::string const &);
                std::ostream &write_data();

                file();
                ~file();

                void set_memory_limit(size_t size);
                void set_temporary_directory(std::string const &dir);


        private:
                std::string name_;
                std::string mime_;
                std::string filename_;
                size_t size_limit_;

                booster::nowide::fstream file_;
                std::stringstream file_data_;
                std::string tmp_file_name_;
                std::string temporary_dir_;

                void move_to_file();
                void save_by_copy(std::string const &file_name,std::istream &in);
                void copy_stream(std::istream &in,std::ostream &out);

                
                uint32_t saved_in_file_ : 1;
                uint32_t removed_ : 1 ;
                uint32_t reserverd_ : 30;

                struct impl_data; // for future use
                booster::hold_ptr<impl_data> d;
                friend class request;
        };


} } //::cppcms::http


#endif