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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.
*/
#include "indented-stream.hpp"
#include <vector>
#include <boost/range/iterator_range.hpp>
#include <boost/algorithm/string/split.hpp>
#include <boost/algorithm/string/classification.hpp>
namespace ndn {
namespace util {
IndentedStream::IndentedStream(std::ostream& os, const std::string& indent)
: std::ostream(&m_buffer)
, m_buffer(os, indent)
{
}
IndentedStream::~IndentedStream()
{
flush();
}
IndentedStream::StreamBuf::StreamBuf(std::ostream& os, const std::string& indent)
: m_output(os)
, m_indent(indent)
{
}
int
IndentedStream::StreamBuf::sync()
{
typedef boost::iterator_range<std::string::const_iterator> StringView;
const std::string& output = str();
std::vector<StringView> splitOutput;
boost::split(splitOutput, output, boost::is_any_of("\n"));
if (!splitOutput.empty() && splitOutput.back().empty()) {
splitOutput.pop_back();
}
for (const StringView& line : splitOutput) {
m_output << m_indent << line << "\n";
}
return 0; // success
}
} // namespace util
} // namespace ndn