webstreambuf.hpp

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/*******************************************************************************
* Copyright (C) 2016 Eddie Carle [eddie@isatec.ca]                             *
*                                                                              *
* This file is part of fastcgi++.                                              *
*                                                                              *
* fastcgi++ is free software: you can redistribute it and/or modify it under   *
* the terms of the GNU Lesser General Public License as  published by the Free *
* Software Foundation, either version 3 of the License, or (at your option)    *
* any later version.                                                           *
*                                                                              *
* fastcgi++ 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 Lesser General Public License     *
* along with fastcgi++.  If not, see <http://www.gnu.org/licenses/>.           *
*******************************************************************************/

#ifndef FASTCGIPP_WEBSTREAMBUF_HPP
#define FASTCGIPP_WEBSTREAMBUF_HPP

#include <map>
#include <streambuf>

namespace Fastcgipp
{

    enum class Encoding
    {
        NONE,
        HTML,
        URL
    };

    template<class charT, class traits>
    std::basic_ostream<charT, traits>& operator<<(
            std::basic_ostream<charT, traits>& os,
            const Encoding& encoding);


    template <class charT, class traits = std::char_traits<charT>>
    class WebStreambuf: public std::basic_streambuf<charT, traits>
    {
        typedef typename std::basic_streambuf<charT, traits>::char_type char_type;

        static const std::map<charT, const std::basic_string<charT>> htmlCharacters;

        static const std::map<charT, const std::basic_string<charT>> urlCharacters;

        std::streamsize xsputn(const char_type *s, std::streamsize n);

        Encoding m_encoding;

        friend std::basic_ostream<charT, traits>& operator<< <charT, traits>(
                std::basic_ostream<charT, traits>& os,
                const Encoding& encoding);
    public:
        WebStreambuf():
            m_encoding(Encoding::NONE)
        {}
    };
}

#endif