stream-sink.cpp
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1 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
2 /*
3  * Copyright (c) 2013-2017 Regents of the University of California.
4  *
5  * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
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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.
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13  * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
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15  * You should have received copies of the GNU General Public License and GNU Lesser
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17  * <http://www.gnu.org/licenses/>.
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19  * See AUTHORS.md for complete list of ndn-cxx authors and contributors.
20  */
21 
22 #include "stream-sink.hpp"
23 
24 #include <ostream>
25 
26 namespace ndn {
27 namespace security {
28 namespace transform {
29 
30 StreamSink::StreamSink(std::ostream& os)
31  : m_os(os)
32 {
33 }
34 
35 size_t
36 StreamSink::doWrite(const uint8_t* buf, size_t size)
37 {
38  m_os.write(reinterpret_cast<const char*>(buf), size);
39 
40  if (m_os.bad())
41  BOOST_THROW_EXCEPTION(Error(getIndex(), "Fail to write data into output stream"));
42 
43  return size;
44 }
45 
46 void
47 StreamSink::doEnd()
48 {
49  m_os.flush();
50 }
51 
52 unique_ptr<Sink>
53 streamSink(std::ostream& os)
54 {
55  return make_unique<StreamSink>(os);
56 }
57 
58 
59 } // namespace transform
60 } // namespace security
61 } // namespace ndn
Copyright (c) 2013-2017 Regents of the University of California.
Definition: common.hpp:66
StreamSink(std::ostream &os)
Create a stream sink which outputs to os.
Definition: stream-sink.cpp:30
unique_ptr< Sink > streamSink(std::ostream &os)
Definition: stream-sink.cpp:53
Base class of transformation error.
size_t getIndex() const
Get the module index.