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#pragma once
#include "std/target_os.hpp"
#if defined(OMIM_OS_LINUX)
#include <cassert>
#endif
#include <iomanip>
namespace base
{
#if defined(OMIM_OS_LINUX)
namespace detail
{
template <class _CharT>
struct get_time_manip
{
tm * __tm_;
const _CharT * __fmt_;
get_time_manip(tm * __tm, const _CharT * __fmt) : __tm_(__tm), __fmt_(__fmt) {}
};
template <class _CharT, class _Traits>
class stream_buf_impl : public std::basic_streambuf<_CharT, _Traits>
{
typedef std::basic_streambuf<_CharT, _Traits> base_t;
public:
bool parse(const get_time_manip<_CharT> & __x)
{
// Workaround works only for a stream buffer under null-terminated string.
assert(*base_t::egptr() == 0);
char * res = ::strptime(base_t::gptr(), __x.__fmt_, __x.__tm_);
if (res == 0)
return false;
else
{
base_t::setg(base_t::eback(), res, base_t::egptr());
return true;
}
}
};
template <class _CharT, class _Traits>
std::basic_istream<_CharT, _Traits> & operator>>(std::basic_istream<_CharT, _Traits> & __is,
const get_time_manip<_CharT> & __x)
{
if (!reinterpret_cast<stream_buf_impl<_CharT, _Traits> *>(__is.rdbuf())->parse(__x))
__is.setstate(std::ios_base::failbit);
return __is;
}
} // namespace detail
template <class _CharT>
detail::get_time_manip<_CharT> get_time(tm * __tm, const _CharT * __fmt)
{
return detail::get_time_manip<_CharT>(__tm, __fmt);
}
#else
using std::get_time;
#endif
} // namespace base
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