boost/date_time/posix_time/posix_time_legacy_io.hpp
#ifndef POSIX_TIME_PRE133_OPERATORS_HPP___
#define POSIX_TIME_PRE133_OPERATORS_HPP___
/* Copyright (c) 2002-2004 CrystalClear Software, Inc.
* Use, modification and distribution is subject to the
* Boost Software License, Version 1.0. (See accompanying
* file LICENSE_1_0.txt or http://www.boost.org/LICENSE_1_0.txt)
* Author: Jeff Garland, Bart Garst
* $Date: 2008-02-27 15:00:24 -0500 (Wed, 27 Feb 2008) $
*/
/*! @file posix_time_pre133_operators.hpp
* These input and output operators are for use with the
* pre 1.33 version of the date_time libraries io facet code.
* The operators used in version 1.33 and later can be found
* in posix_time_io.hpp */
#include <iostream>
#include <string>
#include <sstream>
#include "boost/date_time/compiler_config.hpp"
#include "boost/date_time/gregorian/gregorian.hpp"
#include "boost/date_time/posix_time/posix_time_duration.hpp"
#include "boost/date_time/posix_time/ptime.hpp"
#include "boost/date_time/posix_time/time_period.hpp"
#include "boost/date_time/time_parsing.hpp"
namespace boost {
namespace posix_time {
//The following code is removed for configurations with poor std::locale support (eg: MSVC6, gcc 2.9x)
#ifndef BOOST_DATE_TIME_NO_LOCALE
#if defined(USE_DATE_TIME_PRE_1_33_FACET_IO)
//! ostream operator for posix_time::time_duration
template <class charT, class traits>
inline
std::basic_ostream<charT, traits>&
operator<<(std::basic_ostream<charT, traits>& os, const time_duration& td)
{
typedef boost::date_time::ostream_time_duration_formatter<time_duration, charT> duration_formatter;
duration_formatter::duration_put(td, os);
return os;
}
//! ostream operator for posix_time::ptime
template <class charT, class traits>
inline
std::basic_ostream<charT, traits>&
operator<<(std::basic_ostream<charT, traits>& os, const ptime& t)
{
typedef boost::date_time::ostream_time_formatter<ptime, charT> time_formatter;
time_formatter::time_put(t, os);
return os;
}
//! ostream operator for posix_time::time_period
template <class charT, class traits>
inline
std::basic_ostream<charT, traits>&
operator<<(std::basic_ostream<charT, traits>& os, const time_period& tp)
{
typedef boost::date_time::ostream_time_period_formatter<time_period, charT> period_formatter;
period_formatter::period_put(tp, os);
return os;
}
#endif // USE_DATE_TIME_PRE_1_33_FACET_IO
/******** input streaming ********/
template<class charT>
inline
std::basic_istream<charT>& operator>>(std::basic_istream<charT>& is, time_duration& td)
{
// need to create a std::string and parse it
std::basic_string<charT> inp_s;
std::stringstream out_ss;
is >> inp_s;
typename std::basic_string<charT>::iterator b = inp_s.begin();
// need to use both iterators because there is no requirement
// for the data held by a std::basic_string<> be terminated with
// any marker (such as '\0').
typename std::basic_string<charT>::iterator e = inp_s.end();
while(b != e){
out_ss << out_ss.narrow(*b, 0);
++b;
}
td = date_time::parse_delimited_time_duration<time_duration>(out_ss.str());
return is;
}
template<class charT>
inline
std::basic_istream<charT>& operator>>(std::basic_istream<charT>& is, ptime& pt)
{
gregorian::date d(not_a_date_time);
time_duration td(0,0,0);
is >> d >> td;
pt = ptime(d, td);
return is;
}
/** operator>> for time_period. time_period must be in
* "[date time_duration/date time_duration]" format. */
template<class charT>
inline
std::basic_istream<charT>& operator>>(std::basic_istream<charT>& is, time_period& tp)
{
gregorian::date d(not_a_date_time);
time_duration td(0,0,0);
ptime beg(d, td);
ptime end(beg);
std::basic_string<charT> s;
// get first date string and remove leading '['
is >> s;
{
std::basic_stringstream<charT> ss;
ss << s.substr(s.find('[')+1);
ss >> d;
}
// get first time_duration & second date string, remove the '/'
// and split into 2 strings
is >> s;
{
std::basic_stringstream<charT> ss;
ss << s.substr(0, s.find('/'));
ss >> td;
}
beg = ptime(d, td);
{
std::basic_stringstream<charT> ss;
ss << s.substr(s.find('/')+1);
ss >> d;
}
// get last time_duration and remove the trailing ']'
is >> s;
{
std::basic_stringstream<charT> ss;
ss << s.substr(0, s.find(']'));
ss >> td;
}
end = ptime(d, td);
tp = time_period(beg,end);
return is;
}
#endif //BOOST_DATE_TIME_NO_LOCALE
} } // namespaces
#endif // POSIX_TIME_PRE133_OPERATORS_HPP___