Alexander Afanasyev | 77f6ae1 | 2018-06-14 17:54:17 -0400 | [diff] [blame] | 1 | /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */ |
| 2 | /* |
| 3 | * Copyright (c) 2013-2018 Regents of the University of California. |
| 4 | * |
| 5 | * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions). |
| 6 | * |
| 7 | * ndn-cxx library is free software: you can redistribute it and/or modify it under the |
| 8 | * terms of the GNU Lesser General Public License as published by the Free Software |
| 9 | * Foundation, either version 3 of the License, or (at your option) any later version. |
| 10 | * |
| 11 | * ndn-cxx library is distributed in the hope that it will be useful, but WITHOUT ANY |
| 12 | * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A |
| 13 | * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. |
| 14 | * |
| 15 | * You should have received copies of the GNU General Public License and GNU Lesser |
| 16 | * General Public License along with ndn-cxx, e.g., in COPYING.md file. If not, see |
| 17 | * <http://www.gnu.org/licenses/>. |
| 18 | * |
| 19 | * See AUTHORS.md for complete list of ndn-cxx authors and contributors. |
| 20 | */ |
| 21 | |
| 22 | #ifndef NAC_TESTS_BLOCK_LITERAL_HPP |
| 23 | #define NAC_TESTS_BLOCK_LITERAL_HPP |
| 24 | |
| 25 | #include <ndn-cxx/encoding/block.hpp> |
| 26 | #include <ndn-cxx/encoding/buffer-stream.hpp> |
| 27 | #include <ndn-cxx/security/transform.hpp> |
| 28 | |
| 29 | namespace ndn { |
| 30 | namespace nac { |
| 31 | namespace tests { |
| 32 | |
| 33 | /** \brief Construct a \c Block from hexadecimal \p input. |
| 34 | * \param input a string containing hexadecimal bytes and comments. |
| 35 | * 0-9 and upper-case A-F are input; all other characters are comments. |
| 36 | * \param len length of \p input. |
| 37 | * \throw security::transform::Error input has odd number of hexadecimal digits. |
| 38 | * \throw tlv::Error input cannot be parsed into valid \c Block. |
| 39 | * |
| 40 | * Example |
| 41 | * \code |
| 42 | * Block nameBlock = "0706 080141 080142"_block; |
| 43 | * Block nackBlock = "FD032005 reason(no-route)=FD03210196"_block; |
| 44 | * \endcode |
| 45 | */ |
| 46 | inline Block |
| 47 | operator "" _block(const char* input, std::size_t len) |
| 48 | { |
| 49 | namespace t = ndn::security::transform; |
| 50 | t::StepSource ss; |
| 51 | OBufferStream os; |
| 52 | ss >> t::hexDecode() >> t::streamSink(os); |
| 53 | |
| 54 | for (const char* end = input + len; input != end; ++input) { |
| 55 | if (std::strchr("0123456789ABCDEF", *input) != nullptr) { |
| 56 | ss.write(reinterpret_cast<const uint8_t*>(input), 1); |
| 57 | } |
| 58 | } |
| 59 | ss.end(); |
| 60 | |
| 61 | return Block(os.buf()); |
| 62 | } |
| 63 | |
| 64 | } // namespace tests |
| 65 | } // namespace nac |
| 66 | } // namespace ndn |
| 67 | |
| 68 | #endif // NAC_TESTS_BLOCK_LITERAL_HPP |