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#include "coding/base64.hpp"
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wreorder"
#if defined(__clang__)
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wunused-local-typedef"
#endif
#include <boost/algorithm/string.hpp>
#include <boost/archive/iterators/base64_from_binary.hpp>
#include <boost/archive/iterators/binary_from_base64.hpp>
#include <boost/archive/iterators/transform_width.hpp>
#if defined(__clang__)
#pragma clang diagnostic pop
#endif
#pragma GCC diagnostic pop
namespace base64
{
// From: http://stackoverflow.com/a/28471421
std::string Decode(const std::string & val)
{
using namespace boost::archive::iterators;
using It = transform_width<binary_from_base64<std::string::const_iterator>, 8, 6>;
return boost::algorithm::trim_right_copy_if(std::string(It(std::begin(val)), It(std::end(val))),
[](char c) { return c == '\0'; });
}
std::string Encode(const std::string & val)
{
using namespace boost::archive::iterators;
using It = base64_from_binary<transform_width<std::string::const_iterator, 6, 8>>;
auto tmp = std::string(It(std::begin(val)), It(std::end(val)));
return tmp.append((3 - val.size() % 3) % 3, '=');
}
} // namespace base64
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