NS-3 based Named Data Networking (NDN) simulator
ndnSIM 2.5: NDN, CCN, CCNx, content centric networks
API Documentation
backports-ostream-joiner.hpp
Go to the documentation of this file.
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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
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/*
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* Copyright (c) 2013-2017 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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#ifndef NDN_UTIL_BACKPORTS_OSTREAM_JOINER_HPP
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#define NDN_UTIL_BACKPORTS_OSTREAM_JOINER_HPP
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#include "
backports.hpp
"
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#if (__cplusplus >= 201402L) && NDN_CXX_HAS_INCLUDE(<experimental/iterator>)
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# include <experimental/iterator>
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# if __cpp_lib_experimental_ostream_joiner >= 201411
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# define NDN_CXX_HAVE_EXPERIMENTAL_OSTREAM_JOINER
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# endif
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#endif
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#ifdef NDN_CXX_HAVE_EXPERIMENTAL_OSTREAM_JOINER
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namespace
ndn
{
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using
std::experimental::ostream_joiner;
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using
std::experimental::make_ostream_joiner
;
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}
// namespace ndn
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#else
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#include <iterator>
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namespace
ndn
{
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template
<
typename
DelimT,
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typename
CharT = char,
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typename
Traits = std::char_traits<CharT>>
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class
ostream_joiner
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{
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public
:
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typedef
CharT
char_type
;
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typedef
Traits
traits_type
;
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typedef
std::basic_ostream<CharT, Traits>
ostream_type
;
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typedef
std::output_iterator_tag
iterator_category
;
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typedef
void
value_type
;
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typedef
void
difference_type
;
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typedef
void
pointer
;
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typedef
void
reference
;
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ostream_joiner
(
ostream_type
& os,
const
DelimT& delimiter)
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noexcept(std::is_nothrow_copy_constructible<DelimT>::value)
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: m_os(
std
::addressof(os)), m_delim(delimiter)
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{
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}
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ostream_joiner
(
ostream_type
& os, DelimT&& delimiter)
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noexcept(std::is_nothrow_move_constructible<DelimT>::value)
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: m_os(
std
::addressof(os)), m_delim(
std
::move(delimiter))
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{
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}
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template
<
typename
T>
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ostream_joiner
&
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operator=
(
const
T& value)
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{
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if
(!m_isFirst) {
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*m_os << m_delim;
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}
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m_isFirst =
false
;
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*m_os << value;
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return
*
this
;
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}
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ostream_joiner
&
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operator*
() noexcept
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{
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return
*
this
;
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}
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ostream_joiner
&
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operator++
() noexcept
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{
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return
*
this
;
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}
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ostream_joiner
&
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operator++
(
int
) noexcept
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{
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return
*
this
;
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}
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private
:
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ostream_type
* m_os;
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DelimT m_delim;
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bool
m_isFirst =
true
;
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};
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template
<
typename
CharT,
typename
Traits,
typename
DelimT>
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inline
ostream_joiner<typename std::decay<DelimT>::type, CharT, Traits>
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make_ostream_joiner
(std::basic_ostream<CharT, Traits>& os, DelimT&& delimiter)
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{
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return
{os, std::forward<DelimT>(delimiter)};
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}
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}
// namespace ndn
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#endif // NDN_CXX_HAVE_EXPERIMENTAL_OSTREAM_JOINER
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#endif // NDN_UTIL_BACKPORTS_OSTREAM_JOINER_HPP
ndn
Copyright (c) 2011-2015 Regents of the University of California.
Definition:
ndn-strategy-choice-helper.hpp:34
ndn::ostream_joiner::operator*
ostream_joiner & operator*() noexcept
Definition:
backports-ostream-joiner.hpp:92
ndn::ostream_joiner::iterator_category
std::output_iterator_tag iterator_category
Definition:
backports-ostream-joiner.hpp:61
ndn::ostream_joiner::value_type
void value_type
Definition:
backports-ostream-joiner.hpp:62
std
STL namespace.
ndn::ostream_joiner::operator=
ostream_joiner & operator=(const T &value)
Definition:
backports-ostream-joiner.hpp:81
ndn::ostream_joiner::difference_type
void difference_type
Definition:
backports-ostream-joiner.hpp:63
ndn::ostream_joiner
Definition:
backports-ostream-joiner.hpp:55
ndn::ostream_joiner::ostream_joiner
ostream_joiner(ostream_type &os, const DelimT &delimiter) noexcept(std::is_nothrow_copy_constructible< DelimT >::value)
Definition:
backports-ostream-joiner.hpp:67
ndn::make_ostream_joiner
ostream_joiner< typename std::decay< DelimT >::type, CharT, Traits > make_ostream_joiner(std::basic_ostream< CharT, Traits > &os, DelimT &&delimiter)
Definition:
backports-ostream-joiner.hpp:117
ndn::ostream_joiner::ostream_joiner
ostream_joiner(ostream_type &os, DelimT &&delimiter) noexcept(std::is_nothrow_move_constructible< DelimT >::value)
Definition:
backports-ostream-joiner.hpp:73
ndn::ostream_joiner::operator++
ostream_joiner & operator++(int) noexcept
Definition:
backports-ostream-joiner.hpp:104
ndn::ostream_joiner::pointer
void pointer
Definition:
backports-ostream-joiner.hpp:64
backports.hpp
ndn::ostream_joiner::operator++
ostream_joiner & operator++() noexcept
Definition:
backports-ostream-joiner.hpp:98
ndn::ostream_joiner::traits_type
Traits traits_type
Definition:
backports-ostream-joiner.hpp:59
ndn::ostream_joiner::char_type
CharT char_type
Definition:
backports-ostream-joiner.hpp:58
ndn::ostream_joiner::reference
void reference
Definition:
backports-ostream-joiner.hpp:65
ndn::ostream_joiner::ostream_type
std::basic_ostream< CharT, Traits > ostream_type
Definition:
backports-ostream-joiner.hpp:60
ndnSIM
ndn-cxx
src
util
backports-ostream-joiner.hpp
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