#pragma once

#include "dtcore/inc/dtdefinitions.h"

namespace dt
{
    class ByteBuffer;
    class String;

    class Base64
    {
    public:
        DT_CORE_DLL_ENTRY static void Encode(const ByteBuffer& in, String& out);

        DT_CORE_DLL_ENTRY static bool Decode(const String& in, ByteBuffer& out);

    private:
        static SizeT EncodedLength(SizeT length);
        static SizeT DecodedLength(const String& in);
        static void A3ToA4(unsigned char * a4, unsigned char * a3);
        static void A4ToA3(unsigned char * a3, unsigned char * a4);
        static unsigned char Lookup(unsigned char c);
    };

}