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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/**
* Copyright (c) 2013-2014 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.
*
* @author Alexander Afanasyev <http://lasr.cs.ucla.edu/afanasyev/index.html>
*/
#ifndef NDN_ENCODING_BLOCK_HELPERS_HPP
#define NDN_ENCODING_BLOCK_HELPERS_HPP
#include "block.hpp"
#include "encoding-buffer.hpp"
namespace ndn {
inline Block
nonNegativeIntegerBlock(uint32_t type, uint64_t value)
{
EncodingEstimator estimator;
size_t totalLength = prependNonNegativeIntegerBlock(estimator, type, value);
EncodingBuffer encoder(totalLength, 0);
prependNonNegativeIntegerBlock(encoder, type, value);
return encoder.block();
}
inline uint64_t
readNonNegativeInteger(const Block& block)
{
Buffer::const_iterator begin = block.value_begin();
return tlv::readNonNegativeInteger(block.value_size(), begin, block.value_end());
}
inline Block
booleanBlock(uint32_t type)
{
EncodingEstimator estimator;
size_t totalLength = prependBooleanBlock(estimator, type);
EncodingBuffer encoder(totalLength, 0);
prependBooleanBlock(encoder, type);
return encoder.block();
}
inline Block
dataBlock(uint32_t type, const uint8_t* data, size_t dataSize)
{
EncodingEstimator estimator;
size_t totalLength = prependByteArrayBlock(estimator, type, data, dataSize);
EncodingBuffer encoder(totalLength, 0);
prependByteArrayBlock(encoder, type, data, dataSize);
return encoder.block();
}
inline Block
dataBlock(uint32_t type, const char* data, size_t dataSize)
{
return dataBlock(type, reinterpret_cast<const uint8_t*>(data), dataSize);
}
// template<class InputIterator>
// inline Block
// dataBlock(uint32_t type, InputIterator first, InputIterator last)
// {
// size_t dataSize = 0;
// for (InputIterator i = first; i != last; i++)
// ++dataSize;
// OBufferStream os;
// tlv::writeVarNumber(os, type);
// tlv::writeVarNumber(os, dataSize);
// std::copy(first, last, std::ostream_iterator<uint8_t>(os));
// return Block(os.buf());
// }
} // namespace ndn
#endif // NDN_ENCODING_BLOCK_HELPERS_HPP