StringUriUtf32To8WriteResource.hpp

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// @formatter:off
//
// Balau core C++ library
//
// Copyright (C) 2008 Bora Software (contact@borasoftware.com)
//
// Licensed under the Boost Software License - Version 1.0 - August 17th, 2003.
// See the LICENSE file for the full license text.
//


#ifndef COM_BORA_SOFTWARE__BALAU_RESOURCE__STRING_URI_UTF32_TO_8_WRITE_RESOURCE
#define COM_BORA_SOFTWARE__BALAU_RESOURCE__STRING_URI_UTF32_TO_8_WRITE_RESOURCE

#include <Balau/Resource/Utf32To8WriteResource.hpp>

#include <boost/iostreams/code_converter.hpp>
#include <boost/iostreams/stream.hpp>

#include <codecvt>

namespace Balau::Resource {

class StringUri;
class Uri;

class StringUriUtf32To8WriteResource : public Utf32To8WriteResource {
    private: using odevice_utf32_utf8 = boost::iostreams::code_converter<std::ostream, std::codecvt_utf8<char32_t, 0x10ffff, std::consume_header>>;
    private: using ostream_utf32_utf8 = boost::iostreams::stream<odevice_utf32_utf8>;

    public: explicit StringUriUtf32To8WriteResource(StringUri & stringUri_);

    public: StringUriUtf32To8WriteResource(StringUriUtf32To8WriteResource && rhs) noexcept
        : stringUri(rhs.stringUri)
        , utf8Stream(std::move(rhs.utf8Stream))
        , ref(rhs.ref)
        , utf32Stream(std::move(rhs.utf32Stream)) {}

    public: ~StringUriUtf32To8WriteResource() override {
        close();
    }

    public: std::u32ostream & writeStream() override {
        return *utf32Stream;
    }

    public: const Uri & uri() const override;

    public: void close() override;


    private: StringUri & stringUri;
    private: std::unique_ptr<std::ostringstream> utf8Stream;
    private: std::ostream & ref;
    private: std::unique_ptr<ostream_utf32_utf8> utf32Stream;
};

} // namespace Balau::Resource

#endif // COM_BORA_SOFTWARE__BALAU_RESOURCE__STRING_URI_UTF32_TO_8_WRITE_RESOURCE