mirror of
https://github.com/bolero-MURAKAMI/Sprout
synced 2024-11-12 21:09:01 +00:00
186 lines
6.9 KiB
C++
186 lines
6.9 KiB
C++
#ifndef SPROUT_UUID_IO_HPP
|
|
#define SPROUT_UUID_IO_HPP
|
|
|
|
#include <cstddef>
|
|
#include <algorithm>
|
|
#include <iterator>
|
|
#include <ios>
|
|
#include <ostream>
|
|
#include <istream>
|
|
#include <locale>
|
|
#include <sprout/config.hpp>
|
|
#include <sprout/string.hpp>
|
|
#include <sprout/uuid/uuid.hpp>
|
|
#include <sprout/uuid/detail/table.hpp>
|
|
#include <sprout/detail/io/ios_state.hpp>
|
|
|
|
namespace sprout {
|
|
namespace uuids {
|
|
//
|
|
// operator>>
|
|
//
|
|
template<typename Elem, typename Traits>
|
|
inline std::basic_istream<Elem, Traits>&
|
|
operator>>(std::basic_istream<Elem, Traits>& lhs, sprout::uuids::uuid& rhs) {
|
|
typedef typename std::basic_ios<Elem, Traits>::char_type char_type;
|
|
typename std::basic_istream<Elem, Traits>::sentry const ok(lhs);
|
|
typedef std::ctype<Elem> ctype_type;
|
|
if (ok) {
|
|
sprout::uuids::uuid::value_type data[16];
|
|
ctype_type const& ctype = std::use_facet<ctype_type>(lhs.getloc());
|
|
char_type xdigits[16];
|
|
{
|
|
char const szdigits[] = "0123456789ABCDEF";
|
|
ctype.widen(szdigits, szdigits + 16, xdigits);
|
|
}
|
|
char_type const* const xdigits_end = xdigits + 16;
|
|
char_type c;
|
|
for (sprout::uuids::uuid::size_type i = 0, last = rhs.size(); i < last && lhs; ++i) {
|
|
lhs >> c;
|
|
c = ctype.toupper(c);
|
|
char_type const* f = std::find(xdigits, xdigits_end, c);
|
|
if (f == xdigits_end) {
|
|
lhs.setstate(std::ios_base::failbit);
|
|
break;
|
|
}
|
|
sprout::uuids::uuid::value_type byte = static_cast<sprout::uuids::uuid::value_type>(std::distance(&xdigits[0], f));
|
|
lhs >> c;
|
|
c = ctype.toupper(c);
|
|
f = std::find(xdigits, xdigits_end, c);
|
|
if (f == xdigits_end) {
|
|
lhs.setstate(std::ios_base::failbit);
|
|
break;
|
|
}
|
|
byte <<= 4;
|
|
byte |= static_cast<sprout::uuids::uuid::value_type>(std::distance(&xdigits[0], f));
|
|
data[i] = byte;
|
|
if (lhs) {
|
|
if (i == 3 || i == 5 || i == 7 || i == 9) {
|
|
lhs >> c;
|
|
if (c != lhs.widen('-')) {
|
|
lhs.setstate(std::ios_base::failbit);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (lhs) {
|
|
std::copy(data, data + 16, rhs.begin());
|
|
}
|
|
}
|
|
return lhs;
|
|
}
|
|
//
|
|
// operator<<
|
|
//
|
|
template<typename Elem, typename Traits>
|
|
inline std::basic_ostream<Elem, Traits>&
|
|
operator<<(std::basic_ostream<Elem, Traits>& lhs, sprout::uuids::uuid const& rhs) {
|
|
sprout::detail::io::ios_flags_saver flags_saver(lhs);
|
|
sprout::detail::io::basic_ios_fill_saver<Elem, Traits> fill_saver(lhs);
|
|
typename std::basic_ostream<Elem, Traits>::sentry const ok(lhs);
|
|
if (ok) {
|
|
std::streamsize const width = lhs.width(0);
|
|
std::streamsize const uuid_width = 36;
|
|
std::ios_base::fmtflags const flags = lhs.flags();
|
|
typename std::basic_ios<Elem, Traits>::char_type const fill = lhs.fill();
|
|
if (flags & (std::ios_base::right | std::ios_base::internal)) {
|
|
for (std::streamsize i = uuid_width; i < width; ++i) {
|
|
lhs << fill;
|
|
}
|
|
}
|
|
lhs << std::hex;
|
|
lhs.fill(lhs.widen('0'));
|
|
std::size_t i = 0;
|
|
for (sprout::uuids::uuid::const_iterator i_data = rhs.begin(), i_last = rhs.end(); i_data != i_last; ++i_data, ++i) {
|
|
lhs.width(2);
|
|
lhs << static_cast<unsigned>(*i_data);
|
|
if (i == 3 || i == 5 || i == 7 || i == 9) {
|
|
lhs << lhs.widen('-');
|
|
}
|
|
}
|
|
if (flags & std::ios_base::left) {
|
|
for (std::streamsize i = uuid_width; i < width; ++i) {
|
|
lhs << fill;
|
|
}
|
|
}
|
|
lhs.width(0);
|
|
}
|
|
return lhs;
|
|
}
|
|
|
|
//
|
|
// to_string_of
|
|
//
|
|
template<typename Elem, typename Traits = sprout::char_traits<Elem> >
|
|
inline SPROUT_CONSTEXPR sprout::basic_string<Elem, 36, Traits> to_string_of(sprout::uuids::uuid const& u) {
|
|
return sprout::basic_string<Elem, 36, Traits>{
|
|
{
|
|
sprout::uuids::detail::digits<Elem>::table[(u[0] >> 4) & 0x0F],
|
|
sprout::uuids::detail::digits<Elem>::table[(u[0]) & 0x0F],
|
|
sprout::uuids::detail::digits<Elem>::table[(u[1] >> 4) & 0x0F],
|
|
sprout::uuids::detail::digits<Elem>::table[(u[1]) & 0x0F],
|
|
sprout::uuids::detail::digits<Elem>::table[(u[2] >> 4) & 0x0F],
|
|
sprout::uuids::detail::digits<Elem>::table[(u[2]) & 0x0F],
|
|
sprout::uuids::detail::digits<Elem>::table[(u[3] >> 4) & 0x0F],
|
|
sprout::uuids::detail::digits<Elem>::table[(u[3]) & 0x0F],
|
|
sprout::uuids::detail::digits<Elem>::dash,
|
|
sprout::uuids::detail::digits<Elem>::table[(u[4] >> 4) & 0x0F],
|
|
sprout::uuids::detail::digits<Elem>::table[(u[4]) & 0x0F],
|
|
sprout::uuids::detail::digits<Elem>::table[(u[5] >> 4) & 0x0F],
|
|
sprout::uuids::detail::digits<Elem>::table[(u[5]) & 0x0F],
|
|
sprout::uuids::detail::digits<Elem>::dash,
|
|
sprout::uuids::detail::digits<Elem>::table[(u[6] >> 4) & 0x0F],
|
|
sprout::uuids::detail::digits<Elem>::table[(u[6]) & 0x0F],
|
|
sprout::uuids::detail::digits<Elem>::table[(u[7] >> 4) & 0x0F],
|
|
sprout::uuids::detail::digits<Elem>::table[(u[7]) & 0x0F],
|
|
sprout::uuids::detail::digits<Elem>::dash,
|
|
sprout::uuids::detail::digits<Elem>::table[(u[8] >> 4) & 0x0F],
|
|
sprout::uuids::detail::digits<Elem>::table[(u[8]) & 0x0F],
|
|
sprout::uuids::detail::digits<Elem>::table[(u[9] >> 4) & 0x0F],
|
|
sprout::uuids::detail::digits<Elem>::table[(u[9]) & 0x0F],
|
|
sprout::uuids::detail::digits<Elem>::dash,
|
|
sprout::uuids::detail::digits<Elem>::table[(u[10] >> 4) & 0x0F],
|
|
sprout::uuids::detail::digits<Elem>::table[(u[10]) & 0x0F],
|
|
sprout::uuids::detail::digits<Elem>::table[(u[11] >> 4) & 0x0F],
|
|
sprout::uuids::detail::digits<Elem>::table[(u[11]) & 0x0F],
|
|
sprout::uuids::detail::digits<Elem>::table[(u[12] >> 4) & 0x0F],
|
|
sprout::uuids::detail::digits<Elem>::table[(u[12]) & 0x0F],
|
|
sprout::uuids::detail::digits<Elem>::table[(u[13] >> 4) & 0x0F],
|
|
sprout::uuids::detail::digits<Elem>::table[(u[13]) & 0x0F],
|
|
sprout::uuids::detail::digits<Elem>::table[(u[14] >> 4) & 0x0F],
|
|
sprout::uuids::detail::digits<Elem>::table[(u[14]) & 0x0F],
|
|
sprout::uuids::detail::digits<Elem>::table[(u[15] >> 4) & 0x0F],
|
|
sprout::uuids::detail::digits<Elem>::table[(u[15]) & 0x0F]
|
|
},
|
|
36
|
|
};
|
|
}
|
|
//
|
|
// to_string
|
|
//
|
|
inline SPROUT_CONSTEXPR sprout::basic_string<char, 36> to_string(sprout::uuids::uuid const& u) {
|
|
return sprout::uuids::to_string_of<char>(u);
|
|
}
|
|
//
|
|
// to_wstring
|
|
//
|
|
inline SPROUT_CONSTEXPR sprout::basic_string<wchar_t, 36> to_wstring(sprout::uuids::uuid const& u) {
|
|
return sprout::uuids::to_string_of<wchar_t>(u);
|
|
}
|
|
//
|
|
// to_u16string
|
|
//
|
|
inline SPROUT_CONSTEXPR sprout::basic_string<char16_t, 36> to_u16string(sprout::uuids::uuid const& u) {
|
|
return sprout::uuids::to_string_of<char16_t>(u);
|
|
}
|
|
//
|
|
// to_u32string
|
|
//
|
|
inline SPROUT_CONSTEXPR sprout::basic_string<char32_t, 36> to_u32string(sprout::uuids::uuid const& u) {
|
|
return sprout::uuids::to_string_of<char32_t>(u);
|
|
}
|
|
} // namespace uuids
|
|
} // namespace sprout
|
|
|
|
#endif // #ifndef SPROUT_UUID_IO_HPP
|