blob: a0d38142819bad2e5984231f005e1098dec1257c [file] [log] [blame]
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
* Copyright (c) 2013-2018 Regents of the University of California.
*
* This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
*
* ndn-cxx library is free software: you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License as published by the Free Software
* Foundation, either version 3 of the License, or (at your option) any later version.
*
* ndn-cxx library is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
* PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
*
* You should have received copies of the GNU General Public License and GNU Lesser
* General Public License along with ndn-cxx, e.g., in COPYING.md file. If not, see
* <http://www.gnu.org/licenses/>.
*
* See AUTHORS.md for complete list of ndn-cxx authors and contributors.
*/
#include "cf-string-osx.hpp"
namespace ndn {
namespace util {
namespace cfstring {
CFReleaser<CFStringRef>
fromBuffer(const uint8_t* buf, size_t buflen)
{
CFStringRef cfStr = CFStringCreateWithBytes(kCFAllocatorDefault, buf, buflen, kCFStringEncodingUTF8, false);
if (cfStr == nullptr) {
BOOST_THROW_EXCEPTION(std::runtime_error("Failed to create CFString from buffer"));
}
return cfStr;
}
CFReleaser<CFStringRef>
fromStdString(const std::string& str)
{
CFStringRef cfStr = CFStringCreateWithCString(kCFAllocatorDefault, str.data(), kCFStringEncodingUTF8);
if (cfStr == nullptr) {
BOOST_THROW_EXCEPTION(std::runtime_error("Failed to create CFString from std::string"));
}
return cfStr;
}
std::string
toStdString(CFStringRef cfStr)
{
const char* cStr = CFStringGetCStringPtr(cfStr, kCFStringEncodingUTF8);
if (cStr != nullptr) {
// fast path
return cStr;
}
// reserve space for the string + null terminator
std::string str(CFStringGetLength(cfStr) + 1, '\0');
// copy the CFString into the std::string buffer
if (!CFStringGetCString(cfStr, &str.front(), str.size(), kCFStringEncodingUTF8)) {
BOOST_THROW_EXCEPTION(std::runtime_error("CFString to std::string conversion failed"));
}
// drop the null terminator, std::string doesn't need it
str.pop_back();
return str;
}
} // namespace cfstring
} // namespace util
} // namespace ndn