rstudio/src/cpp/core/Base64.cpp at master · UXScripts/rstudio · GitHub

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* Base64.cpp

* This program is licensed to you under the terms of version 3 of the

* GNU Affero General Public License. This program is distributed WITHOUT

* ANY EXPRESS OR IMPLIED WARRANTY, INCLUDING THOSE OF NON-INFRINGEMENT,

* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Please refer to the

* AGPL (http://www.gnu.org/licenses/agpl-3.0.txt) for more details.

#include <sstream>

#include <algorithm>

#include <boost/archive/iterators/base64_from_binary.hpp>

#include <boost/archive/iterators/transform_width.hpp>

#include <boost/archive/iterators/ostream_iterator.hpp>

#include <core/Error.hpp>

#include <core/Log.hpp>

namespace core {

namespace base64 {

Error encode(const std::string& input, std::string* pOutput)

{

using namespace boost::archive::iterators;

try

{

typedef base64_from_binary<transform_width<const char *,6,8> > b64_text;

std::stringstream os;

std::copy(b64_text(input.c_str()),

b64_text(input.c_str() + input.size()),

ostream_iterator<char>(os));

pOutput->clear();

pOutput->reserve(((input.size() * 4) / 3) + 3);

pOutput->append(os.str());

std::size_t mod = input.size() % 3;

if (mod == 1)

pOutput->append("==");

else if(mod == 2)

pOutput->append("=");

return Success();

}

CATCH_UNEXPECTED_EXCEPTION

// keep compiler happy

return Success();

}

} // namespace base64

} // namespace core

rstudio/src/cpp/core/Base64.cpp at master · UXScripts/rstudio · GitHub

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