rstudio/src/cpp/core/PosixStringUtils.cpp at master · pearsonca/rstudio · GitHub

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* PosixStringUtils.cpp

* Unless you have received this program directly from RStudio pursuant

* to the terms of a commercial license agreement with RStudio, then

* 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 <core/StringUtils.hpp>

#include <cstdlib>

#include <vector>

#include <core/Log.hpp>

#include <shared_core/Error.hpp>

#ifdef __clang__

#pragma clang diagnostic push

#pragma clang diagnostic ignored "-Woverloaded-virtual"

#endif

#include <boost/program_options/detail/convert.hpp>

#include <boost/program_options/detail/utf8_codecvt_facet.hpp>

#ifdef __clang__

#pragma clang diagnostic pop

#endif

namespace rstudio {

namespace core {

namespace string_utils {

std::string wideToUtf8(const std::wstring& value)

{

try

{

boost::program_options::detail::utf8_codecvt_facet utf8_facet;

return boost::to_8_bit(value, utf8_facet);

}

catch(const std::exception& e)

{

// this should NEVER happen!

LOG_ERROR_MESSAGE(e.what());

return std::string();

}

std::wstring utf8ToWide(const std::string& value, const std::string& context)

{

try

{

boost::program_options::detail::utf8_codecvt_facet utf8_facet;

return boost::from_8_bit(value, utf8_facet);

}

catch(const std::exception&)

{

// could happen if the inbound data isn't correctly utf8 encoded,

// in this case just use the system default encoding

static const std::size_t ERR = -1;

std::vector<wchar_t> wide(value.length() + 1);

std::size_t len = ::mbstowcs(&(wide[0]), value.c_str(), wide.size());

if (len != ERR)

{

return std::wstring(&(wide[0]), len);

}

else

{

std::string message = "Invalid multibyte character";

if (!context.empty())

message += " " + context;

LOG_ERROR_MESSAGE(message);

return std::wstring();

}

} // namespace string_utils

} // namespace core

} // namespace rstudio

rstudio/src/cpp/core/PosixStringUtils.cpp at master · pearsonca/rstudio · GitHub

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