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Alexander Afanasyevbbb31f92014-12-01 13:15:59 -08001/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
2/**
Alexander Afanasyev73e30042015-09-17 17:09:51 -07003 * Copyright (c) 2013-2015 Regents of the University of California.
Alexander Afanasyevbbb31f92014-12-01 13:15:59 -08004 *
5 * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
6 *
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.
10 *
11 * ndn-cxx library is distributed in the hope that it will be useful, but WITHOUT ANY
12 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
13 * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
14 *
15 * You should have received copies of the GNU General Public License and GNU Lesser
16 * General Public License along with ndn-cxx, e.g., in COPYING.md file. If not, see
17 * <http://www.gnu.org/licenses/>.
18 *
19 * See AUTHORS.md for complete list of ndn-cxx authors and contributors.
20 */
21
22#include "indented-stream.hpp"
23
24#include <vector>
25
26#include <boost/range/iterator_range.hpp>
27#include <boost/algorithm/string/split.hpp>
Alexander Afanasyev24d4b932014-12-05 10:09:29 +020028#include <boost/algorithm/string/classification.hpp>
Alexander Afanasyevbbb31f92014-12-01 13:15:59 -080029
30namespace ndn {
31namespace util {
32
33IndentedStream::IndentedStream(std::ostream& os, const std::string& indent)
34 : std::ostream(&m_buffer)
35 , m_buffer(os, indent)
36{
37}
38
39IndentedStream::~IndentedStream()
40{
41 flush();
42}
43
44IndentedStream::StreamBuf::StreamBuf(std::ostream& os, const std::string& indent)
45 : m_output(os)
46 , m_indent(indent)
47{
48}
49
50int
51IndentedStream::StreamBuf::sync()
52{
53 typedef boost::iterator_range<std::string::const_iterator> StringView;
54
55 const std::string& output = str();
56 std::vector<StringView> splitOutput;
Alexander Afanasyev24d4b932014-12-05 10:09:29 +020057 boost::split(splitOutput, output, boost::is_any_of("\n"));
Alexander Afanasyevbbb31f92014-12-01 13:15:59 -080058
59 if (!splitOutput.empty() && splitOutput.back().empty()) {
60 splitOutput.pop_back();
61 }
62 for (const StringView& line : splitOutput) {
63 m_output << m_indent << line << "\n";
64 }
Alexander Afanasyev17ef37d2015-04-02 12:17:26 -070065 str(std::string());
Alexander Afanasyevbbb31f92014-12-01 13:15:59 -080066 return 0; // success
67}
68
69} // namespace util
70} // namespace ndn