Davide Pesavento
7e78064871
Header files are now always included with their path from the project's root directory rather than the path relative to the includer. Change-Id: If39b8510eef8da00baf5fe88337c45dbdf8c766e Refs: #3084
108 lines
2.7 KiB
C++
108 lines
2.7 KiB
C++
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
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/*
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* Copyright (c) 2013-2018 Regents of the University of California.
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*
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* This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
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*
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* ndn-cxx library is free software: you can redistribute it and/or modify it under the
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* terms of the GNU Lesser General Public License as published by the Free Software
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* Foundation, either version 3 of the License, or (at your option) any later version.
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*
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* ndn-cxx library is distributed in the hope that it will be useful, but WITHOUT ANY
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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* PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
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*
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* You should have received copies of the GNU General Public License and GNU Lesser
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* General Public License along with ndn-cxx, e.g., in COPYING.md file. If not, see
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* <http://www.gnu.org/licenses/>.
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*
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* See AUTHORS.md for complete list of ndn-cxx authors and contributors.
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*/
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#include "ndn-cxx/encoding/estimator.hpp"
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namespace ndn {
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namespace encoding {
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size_t
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Estimator::prependVarNumber(uint64_t varNumber) const noexcept
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{
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if (varNumber < 253) {
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return 1;
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}
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else if (varNumber <= std::numeric_limits<uint16_t>::max()) {
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return 3;
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}
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else if (varNumber <= std::numeric_limits<uint32_t>::max()) {
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return 5;
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}
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else {
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return 9;
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}
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}
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size_t
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Estimator::appendVarNumber(uint64_t varNumber) const noexcept
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{
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return prependVarNumber(varNumber);
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}
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size_t
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Estimator::prependNonNegativeInteger(uint64_t varNumber) const noexcept
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{
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if (varNumber <= std::numeric_limits<uint8_t>::max()) {
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return 1;
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}
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else if (varNumber <= std::numeric_limits<uint16_t>::max()) {
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return 2;
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}
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else if (varNumber <= std::numeric_limits<uint32_t>::max()) {
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return 4;
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}
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else {
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return 8;
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}
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}
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size_t
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Estimator::appendNonNegativeInteger(uint64_t varNumber) const noexcept
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{
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return prependNonNegativeInteger(varNumber);
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}
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size_t
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Estimator::prependByteArrayBlock(uint32_t type, const uint8_t* array, size_t arraySize) const noexcept
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{
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size_t totalLength = arraySize;
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totalLength += prependVarNumber(arraySize);
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totalLength += prependVarNumber(type);
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return totalLength;
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}
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size_t
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Estimator::appendByteArrayBlock(uint32_t type, const uint8_t* array, size_t arraySize) const noexcept
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{
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return prependByteArrayBlock(type, array, arraySize);
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}
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size_t
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Estimator::prependBlock(const Block& block) const
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{
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if (block.hasWire()) {
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return block.size();
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}
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else {
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return prependByteArrayBlock(block.type(), block.value(), block.value_size());
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}
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}
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size_t
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Estimator::appendBlock(const Block& block) const
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{
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return prependBlock(block);
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}
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} // namespace encoding
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} // namespace ndn
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