format_parser::format_parser(std::ios_base &ios,void *cookie,void (*imbuer)(void *,std::locale const &)) :
ios_(ios),
d(new data)
{
d->position=std::numeric_limits<unsigned>::max();
d->precision=ios.precision();
d->flags = ios.flags();
d->info=ios_info::get(ios);
d->saved_locale = ios.getloc();
d->restore_locale=false;
d->cookie = cookie;
d->imbuer = imbuer;
}
bool logstream_base::set_stream_state(std::ios_base& dest, int& dstchar) {
std::ios_base::fmtflags setval = initset.flags();
std::ios_base::fmtflags clrval = initclear.flags();
std::ios_base::fmtflags mask = setval ^ (~clrval);
dest.setf(clrval, mask);
if (initset.precision() == initclear.precision()) {
dest.precision(initset.precision());
}
if (initset.width() == initclear.width()) {
dest.width(initset.width());
}
dstchar = fillchar;
return fillset;
}
inline void lcast_set_precision(std::ios_base& stream, Source*, Target*)
{
std::streamsize const s = lcast_get_precision(static_cast<Source*>(0));
std::streamsize const t = lcast_get_precision(static_cast<Target*>(0));
stream.precision(s > t ? s : t);
}
inline void lcast_set_precision(std::ios_base& stream, T*)
{
stream.precision(lcast_get_precision<T>());
}