void to_stream(T const& value)
{
std::locale loc = m_Stream.getloc();
if (!std::has_facet< FacetT >(loc))
{
// Add the formatting facet
std::auto_ptr< FacetT > facet(new FacetT(m_Format.c_str()));
m_Stream.imbue(std::locale(loc, facet.get()));
facet.release();
loc = m_Stream.getloc();
}
// Perform formatting
std::ostreambuf_iterator< char_type > osb_it(m_Stream);
std::use_facet< FacetT >(loc).put(osb_it, m_Stream, m_Stream.fill(), value);
}
//! Put date into an ostream
static void date_put(const date_type& d,
ostream_type& os)
{
//retrieve the local from the ostream
std::locale locale = os.getloc();
if (std::has_facet<facet_type>(locale)) {
const facet_type& f = std::use_facet<facet_type>(locale);
date_put(d, os, f);
}
else {
//default to something sensible if no facet installed
facet_type default_facet;
date_put(d, os, default_facet);
}
} // date_to_ostream
