| Alexander Afanasyev | 258ec2b | 2014-05-14 16:15:37 -0700 | [diff] [blame^] | 1 | /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil -*- */ |
| 2 | /** |
| 3 | * Copyright (c) 2013-2014, Regents of the University of California. |
| 4 | * All rights reserved. |
| 5 | * |
| 6 | * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions). |
| 7 | * See AUTHORS.md for complete list of ndn-cxx authors and contributors. |
| 8 | * |
| 9 | * This file licensed under New BSD License. See COPYING for detailed information about |
| 10 | * ndn-cxx library copyright, permissions, and redistribution restrictions. |
| 11 | */ |
| 12 | |
| 13 | #include "time.hpp" |
| 14 | #include <boost/date_time/posix_time/posix_time.hpp> |
| 15 | |
| 16 | namespace ndn { |
| 17 | namespace time { |
| 18 | |
| 19 | std::string |
| 20 | toIsoString(const system_clock::TimePoint& timePoint) |
| 21 | { |
| 22 | namespace bpt = boost::posix_time; |
| 23 | bpt::ptime ptime = bpt::from_time_t(system_clock::to_time_t(timePoint)); |
| 24 | |
| 25 | uint64_t micro = duration_cast<microseconds>(timePoint - getUnixEpoch()).count() % 1000000; |
| 26 | if (micro > 0) |
| 27 | { |
| 28 | ptime += bpt::microseconds(micro); |
| 29 | return bpt::to_iso_string(ptime); |
| 30 | } |
| 31 | else |
| 32 | return bpt::to_iso_string(ptime); |
| 33 | } |
| 34 | |
| 35 | |
| 36 | system_clock::TimePoint |
| 37 | fromIsoString(const std::string& isoString) |
| 38 | { |
| 39 | namespace bpt = boost::posix_time; |
| 40 | static bpt::ptime posixTimeEpoch = bpt::from_time_t(0); |
| 41 | |
| 42 | bpt::ptime ptime = bpt::from_iso_string(isoString); |
| 43 | |
| 44 | system_clock::TimePoint point = |
| 45 | system_clock::from_time_t((ptime - posixTimeEpoch).total_seconds()); |
| 46 | point += microseconds((ptime - posixTimeEpoch).total_microseconds() % 1000000); |
| 47 | return point; |
| 48 | } |
| 49 | |
| 50 | |
| 51 | std::string |
| 52 | toString(const system_clock::TimePoint& timePoint, |
| 53 | const std::string& format/* = "%Y-%m-%d %H:%M:%S"*/, |
| 54 | const std::locale& locale/* = std::locale("C")*/) |
| 55 | { |
| 56 | namespace bpt = boost::posix_time; |
| 57 | bpt::ptime ptime = bpt::from_time_t(system_clock::to_time_t(timePoint)); |
| 58 | |
| 59 | uint64_t micro = duration_cast<microseconds>(timePoint - getUnixEpoch()).count() % 1000000; |
| 60 | ptime += bpt::microseconds(micro); |
| 61 | |
| 62 | bpt::time_facet* facet = new bpt::time_facet(format.c_str()); |
| 63 | std::ostringstream formattedTimePoint; |
| 64 | formattedTimePoint.imbue(std::locale(locale, facet)); |
| 65 | formattedTimePoint << ptime; |
| 66 | |
| 67 | return formattedTimePoint.str(); |
| 68 | } |
| 69 | |
| 70 | |
| 71 | system_clock::TimePoint |
| 72 | fromString(const std::string& formattedTimePoint, |
| 73 | const std::string& format/* = "%Y-%m-%d %H:%M:%S"*/, |
| 74 | const std::locale& locale/* = std::locale("C")*/) |
| 75 | { |
| 76 | namespace bpt = boost::posix_time; |
| 77 | static bpt::ptime posixTimeEpoch = bpt::from_time_t(0); |
| 78 | |
| 79 | bpt::time_input_facet* facet = new bpt::time_input_facet(format); |
| 80 | std::istringstream is(formattedTimePoint); |
| 81 | |
| 82 | is.imbue(std::locale(locale, facet)); |
| 83 | bpt::ptime ptime; |
| 84 | is >> ptime; |
| 85 | |
| 86 | system_clock::TimePoint point = |
| 87 | system_clock::from_time_t((ptime - posixTimeEpoch).total_seconds()); |
| 88 | point += microseconds((ptime - posixTimeEpoch).total_microseconds() % 1000000); |
| 89 | return point; |
| 90 | } |
| 91 | |
| 92 | } // namespace time |
| 93 | } // namespace ndn |