| /* -*- 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 "ndn-cxx/util/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 |