utf8.hpp

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#if !defined(TETENGO_TEXT_ENCODING_UTF8_HPP)
#define TETENGO_TEXT_ENCODING_UTF8_HPP
 
#include <memory>
#include <string_view>
 
#include <boost/core/noncopyable.hpp>
 
 
namespace tetengo::text::encoding
{
    class utf8 : private boost::noncopyable
    {
    public:
        // types
 
        using string_type = std::string_view;
 
        using string_view_type = std::string_view;
 
        using encoded_string_type = std::u8string_view;
 
        using encoded_string_view_type = std::u8string_view;
 
 
        // static functions
 
        [[nodiscard]] static const utf8& instance();
 
 
        // constructors and destructor
 
        ~utf8();
 
 
        // functions
 
        [[nodiscard]] encoded_string_type encode(const string_view_type& utf8) const;
 
        [[nodiscard]] string_type decode(const encoded_string_view_type& string_) const;
 
 
    private:
        // types
 
        class impl;
 
 
        // variables
 
        const std::unique_ptr<impl> m_p_impl;
 
 
        // constructors
 
        utf8();
    };
 
 
}
 
 
#endif