mirror of
https://github.com/vdemydiuk/mtapi.git
synced 2026-08-16 20:28:09 +00:00
Added thirdparty: boost library
This commit is contained in:
Viacheslav Demydiuk
+261
@@ -0,0 +1,261 @@
|
||||
// (C) Copyright Howard Hinnant
|
||||
// (C) Copyright 2011 Vicente J. Botet Escriba
|
||||
// Use, modification and distribution are subject to the Boost Software License,
|
||||
// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
|
||||
// http://www.boost.org/LICENSE_1_0.txt).
|
||||
//
|
||||
|
||||
/**
|
||||
* Duration formatting facet for output.
|
||||
*/
|
||||
#ifndef BOOST_CHRONO_IO_TIME_POINT_PUT_HPP
|
||||
#define BOOST_CHRONO_IO_TIME_POINT_PUT_HPP
|
||||
|
||||
#include <boost/chrono/config.hpp>
|
||||
#include <boost/chrono/io/time_point_units.hpp>
|
||||
#include <boost/chrono/io/duration_put.hpp>
|
||||
#include <boost/assert.hpp>
|
||||
#include <locale>
|
||||
|
||||
namespace boost
|
||||
{
|
||||
namespace chrono
|
||||
{
|
||||
|
||||
/**
|
||||
* @tparam ChatT a character type
|
||||
* @tparam OutputIterator a model of @c OutputIterator
|
||||
*
|
||||
* The @c time_point_put facet provides facilities for formatted output of @c time_point values.
|
||||
* The member function of @c time_point_put take a @c time_point and format it into character string representation.
|
||||
*
|
||||
*/
|
||||
template <class CharT, class OutputIterator = std::ostreambuf_iterator<CharT> >
|
||||
class time_point_put: public std::locale::facet
|
||||
{
|
||||
public:
|
||||
/**
|
||||
* Type of character the facet is instantiated on.
|
||||
*/
|
||||
typedef CharT char_type;
|
||||
/**
|
||||
* Type of character string passed to member functions.
|
||||
*/
|
||||
typedef std::basic_string<CharT> string_type;
|
||||
/**
|
||||
* Type of iterator used to write in the character buffer.
|
||||
*/
|
||||
typedef OutputIterator iter_type;
|
||||
|
||||
/**
|
||||
* Construct a time_point_put facet.
|
||||
* @param refs
|
||||
* @Effects Construct a time_point_put facet.
|
||||
* If the @c refs argument is @c 0 then destruction of the object is
|
||||
* delegated to the @c locale, or locales, containing it. This allows
|
||||
* the user to ignore lifetime management issues. On the other had,
|
||||
* if @c refs is @c 1 then the object must be explicitly deleted;
|
||||
* the @c locale will not do so. In this case, the object can be
|
||||
* maintained across the lifetime of multiple locales.
|
||||
*/
|
||||
explicit time_point_put(size_t refs = 0) :
|
||||
std::locale::facet(refs)
|
||||
{
|
||||
}
|
||||
|
||||
/**
|
||||
* @param i an output stream iterator
|
||||
* @param ios a reference to a ios_base
|
||||
* @param fill the character used as filler
|
||||
* @param tp the @c time_point
|
||||
* @param pattern begin of the formatting pattern
|
||||
* @param pat_end end of the formatting pattern
|
||||
*
|
||||
* @Effects Steps through the sequence from @c pattern to @c pat_end,
|
||||
* identifying characters that are part of a pattern sequence. Each character
|
||||
* that is not part of a pattern sequence is written to @c s immediately, and
|
||||
* each pattern sequence, as it is identified, results in a call to
|
||||
* @c put_duration or @c put_epoch;
|
||||
* thus, pattern elements and other characters are interleaved in the output
|
||||
* in the order in which they appear in the pattern. Pattern sequences are
|
||||
* identified by converting each character @c c to a @c char value as if by
|
||||
* @c ct.narrow(c,0), where @c ct is a reference to @c ctype<charT> obtained from
|
||||
* @c ios.getloc(). The first character of each sequence is equal to @c '%',
|
||||
* followed by a pattern specifier character @c spec, which can be @c 'd' for
|
||||
* the duration value or @c 'e' for the epoch.
|
||||
* For each valid pattern sequence identified, calls
|
||||
* <c>put_duration(s, ios, fill, tp.time_since_epoch())</c> or <c>put_epoch(s, ios)</c>.
|
||||
*
|
||||
* @Returns An iterator pointing immediately after the last character produced.
|
||||
*/
|
||||
|
||||
template <class Clock, class Duration>
|
||||
iter_type put(iter_type i, std::ios_base& ios, char_type fill, time_point<Clock, Duration> const& tp, const CharT* pattern,
|
||||
const CharT* pat_end) const
|
||||
{
|
||||
if (std::has_facet<time_point_units<CharT> >(ios.getloc()))
|
||||
{
|
||||
time_point_units<CharT> const &facet =
|
||||
std::use_facet<time_point_units<CharT> >(ios.getloc());
|
||||
return put(facet, i, ios, fill, tp, pattern, pat_end);
|
||||
}
|
||||
else
|
||||
{
|
||||
time_point_units_default<CharT> facet;
|
||||
return put(facet, i, ios, fill, tp, pattern, pat_end);
|
||||
}
|
||||
}
|
||||
|
||||
template <class Clock, class Duration>
|
||||
iter_type put(time_point_units<CharT> const& units_facet, iter_type s, std::ios_base& ios, char_type fill,
|
||||
time_point<Clock, Duration> const& tp, const CharT* pattern, const CharT* pat_end) const
|
||||
{
|
||||
|
||||
const std::ctype<char_type>& ct = std::use_facet<std::ctype<char_type> >(ios.getloc());
|
||||
for (; pattern != pat_end; ++pattern)
|
||||
{
|
||||
if (ct.narrow(*pattern, 0) == '%')
|
||||
{
|
||||
if (++pattern == pat_end)
|
||||
{
|
||||
*s++ = pattern[-1];
|
||||
break;
|
||||
}
|
||||
char fmt = ct.narrow(*pattern, 0);
|
||||
switch (fmt)
|
||||
{
|
||||
case 'd':
|
||||
{
|
||||
s = put_duration(s, ios, fill, tp.time_since_epoch());
|
||||
break;
|
||||
}
|
||||
case 'e':
|
||||
{
|
||||
s = put_epoch<Clock> (units_facet, s, ios);
|
||||
break;
|
||||
}
|
||||
default:
|
||||
BOOST_ASSERT(false && "Boost::Chrono internal error.");
|
||||
break;
|
||||
}
|
||||
}
|
||||
else
|
||||
*s++ = *pattern;
|
||||
}
|
||||
return s;
|
||||
}
|
||||
|
||||
/**
|
||||
* @param i an output stream iterator
|
||||
* @param ios a reference to a ios_base
|
||||
* @param fill the character used as filler
|
||||
* @param tp the @c time_point
|
||||
* @param pattern begin of the formatting pattern
|
||||
* @param pat_end end of the formatting pattern
|
||||
*
|
||||
* @Effects Stores the time_point pattern from the @c time_point_unit facet in let say @c str. Last as if
|
||||
* @code
|
||||
* return put(s, ios, dill, tp, str.data(), str.data() + str.size());
|
||||
* @endcode
|
||||
* @Returns An iterator pointing immediately after the last character produced.
|
||||
*/
|
||||
template <class Clock, class Duration>
|
||||
iter_type put(iter_type i, std::ios_base& ios, char_type fill, time_point<Clock, Duration> const& tp) const
|
||||
{
|
||||
if (std::has_facet<time_point_units<CharT> >(ios.getloc()))
|
||||
{
|
||||
time_point_units<CharT> const &facet =
|
||||
std::use_facet<time_point_units<CharT> >(ios.getloc());
|
||||
std::basic_string<CharT> str = facet.get_pattern();
|
||||
return put(facet, i, ios, fill, tp, str.data(), str.data() + str.size());
|
||||
}
|
||||
else
|
||||
{
|
||||
time_point_units_default<CharT> facet;
|
||||
std::basic_string<CharT> str = facet.get_pattern();
|
||||
return put(facet, i, ios, fill, tp, str.data(), str.data() + str.size());
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* @param i an output stream iterator
|
||||
* @param ios a reference to a ios_base
|
||||
* @param fill the character used as filler
|
||||
* @param d the @c duration
|
||||
* @Effects As if <c>facet.put(s, ios, fill, d)</c> where facet is the @c duration_put<CharT> facet associated
|
||||
* to the @c ios or a new instance of @c duration_put<CharT>.
|
||||
* @Returns An iterator pointing immediately after the last character produced.
|
||||
*/
|
||||
template <typename Rep, typename Period>
|
||||
iter_type put_duration(iter_type i, std::ios_base& ios, char_type fill, duration<Rep, Period> const& d) const
|
||||
{
|
||||
if (std::has_facet<duration_put<CharT> >(ios.getloc()))
|
||||
{
|
||||
duration_put<CharT> const &facet = std::use_facet<duration_put<CharT> >(ios.getloc());
|
||||
return facet.put(i, ios, fill, d);
|
||||
}
|
||||
else
|
||||
{
|
||||
duration_put<CharT> facet;
|
||||
return facet.put(i, ios, fill, d);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
*
|
||||
* @param i an output stream iterator
|
||||
* @param ios a reference to a ios_base
|
||||
* @Effects As if
|
||||
* @code
|
||||
* string_type str = facet.template get_epoch<Clock>();
|
||||
* s=std::copy(str.begin(), str.end(), s);
|
||||
* @endcode
|
||||
* where facet is the @c time_point_units<CharT> facet associated
|
||||
* to the @c ios or a new instance of @c time_point_units_default<CharT>.
|
||||
* @Returns s, iterator pointing immediately after the last character produced.
|
||||
*/
|
||||
|
||||
template <typename Clock>
|
||||
iter_type put_epoch(iter_type i, std::ios_base& os) const
|
||||
{
|
||||
if (std::has_facet<time_point_units<CharT> >(os.getloc()))
|
||||
{
|
||||
time_point_units<CharT> const &facet = std::use_facet<time_point_units<CharT> >(os.getloc());
|
||||
return put_epoch<Clock> (facet, i, os);
|
||||
}
|
||||
else
|
||||
{
|
||||
time_point_units_default<CharT> facet;
|
||||
return put_epoch<Clock> (facet, i, os);
|
||||
}
|
||||
}
|
||||
|
||||
template <typename Clock>
|
||||
iter_type put_epoch(time_point_units<CharT> const& facet, iter_type s, std::ios_base&) const
|
||||
{
|
||||
string_type str = facet.template get_epoch<Clock>();
|
||||
s= std::copy(str.begin(), str.end(), s);
|
||||
return s;
|
||||
}
|
||||
|
||||
/**
|
||||
* Unique identifier for this type of facet.
|
||||
*/
|
||||
static std::locale::id id;
|
||||
|
||||
/**
|
||||
* @Effects Destroy the facet
|
||||
*/
|
||||
~time_point_put()
|
||||
{
|
||||
}
|
||||
|
||||
};
|
||||
|
||||
template <class CharT, class OutputIterator>
|
||||
std::locale::id time_point_put<CharT, OutputIterator>::id;
|
||||
|
||||
} // chrono
|
||||
} // boost
|
||||
|
||||
#endif // header
|
||||
Reference in New Issue
Block a user