bool-sink.cpp

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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
 * Copyright (c) 2013-2021 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/security/transform/bool-sink.hpp"

namespace ndn {
namespace security {
namespace transform {

BoolSink::BoolSink(bool& value)
  : m_hasValue(false)
  , m_value(value)
{
}

size_t
BoolSink::doWrite(span<const uint8_t> buf)
{
  if (!m_hasValue && !buf.empty()) {
    m_value = (buf.front() != 0);
    m_hasValue = true;
  }
  return buf.size();
}

void
BoolSink::doEnd()
{
  // nothing to do.
}

unique_ptr<Sink>
boolSink(bool& value)
{
  return make_unique<BoolSink>(value);
}

} // namespace transform
} // namespace security
} // namespace ndn