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Diffstat (limited to 'contrib/src/boost/uuid/uuid_io.hpp')
-rw-r--r-- | contrib/src/boost/uuid/uuid_io.hpp | 198 |
1 files changed, 198 insertions, 0 deletions
diff --git a/contrib/src/boost/uuid/uuid_io.hpp b/contrib/src/boost/uuid/uuid_io.hpp new file mode 100644 index 0000000..1d30618 --- /dev/null +++ b/contrib/src/boost/uuid/uuid_io.hpp @@ -0,0 +1,198 @@ +// Boost uuid_io.hpp header file ----------------------------------------------// + +// Copyright 2009 Andy Tompkins. +// Distributed under 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) + +// Revision History +// 20 Mar 2009 - Initial Revision +// 28 Nov 2009 - disabled deprecated warnings for MSVC + +#ifndef BOOST_UUID_IO_HPP +#define BOOST_UUID_IO_HPP + +#include <boost/uuid/uuid.hpp> +#include <ios> +#include <ostream> +#include <istream> +#include <boost/io/ios_state.hpp> +#include <locale> +#include <algorithm> + +#if defined(_MSC_VER) +#pragma warning(push) // Save warning settings. +#pragma warning(disable : 4996) // Disable deprecated std::ctype<char>::widen, std::copy +#endif + +namespace boost { +namespace uuids { + +template <typename ch, typename char_traits> + std::basic_ostream<ch, char_traits>& operator<<(std::basic_ostream<ch, char_traits> &os, uuid const& u) +{ + io::ios_flags_saver flags_saver(os); + io::basic_ios_fill_saver<ch, char_traits> fill_saver(os); + + const typename std::basic_ostream<ch, char_traits>::sentry ok(os); + if (ok) { + const std::streamsize width = os.width(0); + const std::streamsize uuid_width = 36; + const std::ios_base::fmtflags flags = os.flags(); + const typename std::basic_ios<ch, char_traits>::char_type fill = os.fill(); + if (flags & (std::ios_base::right | std::ios_base::internal)) { + for (std::streamsize i=uuid_width; i<width; i++) { + os << fill; + } + } + + os << std::hex; + os.fill(os.widen('0')); + + std::size_t i=0; + for (uuid::const_iterator i_data = u.begin(); i_data!=u.end(); ++i_data, ++i) { + os.width(2); + os << static_cast<unsigned int>(*i_data); + if (i == 3 || i == 5 || i == 7 || i == 9) { + os << os.widen('-'); + } + } + + if (flags & std::ios_base::left) { + for (std::streamsize s=uuid_width; s<width; s++) { + os << fill; + } + } + + os.width(0); //used the width so reset it + } + return os; +} + +template <typename ch, typename char_traits> + std::basic_istream<ch, char_traits>& operator>>(std::basic_istream<ch, char_traits> &is, uuid &u) +{ + const typename std::basic_istream<ch, char_traits>::sentry ok(is); + if (ok) { + unsigned char data[16]; + + typedef std::ctype<ch> ctype_t; + ctype_t const& ctype = std::use_facet<ctype_t>(is.getloc()); + + ch xdigits[16]; + { + char szdigits[] = "0123456789ABCDEF"; + ctype.widen(szdigits, szdigits+16, xdigits); + } + ch*const xdigits_end = xdigits+16; + + ch c; + for (std::size_t i=0; i<u.size() && is; ++i) { + is >> c; + c = ctype.toupper(c); + + ch* f = std::find(xdigits, xdigits_end, c); + if (f == xdigits_end) { + is.setstate(std::ios_base::failbit); + break; + } + + unsigned char byte = static_cast<unsigned char>(std::distance(&xdigits[0], f)); + + is >> c; + c = ctype.toupper(c); + f = std::find(xdigits, xdigits_end, c); + if (f == xdigits_end) { + is.setstate(std::ios_base::failbit); + break; + } + + byte <<= 4; + byte |= static_cast<unsigned char>(std::distance(&xdigits[0], f)); + + data[i] = byte; + + if (is) { + if (i == 3 || i == 5 || i == 7 || i == 9) { + is >> c; + if (c != is.widen('-')) is.setstate(std::ios_base::failbit); + } + } + } + + if (is) { + std::copy(data, data+16, u.begin()); + } + } + return is; +} + +namespace detail { +inline char to_char(size_t i) { + if (i <= 9) { + return static_cast<char>('0' + i); + } else { + return static_cast<char>('a' + (i-10)); + } +} + +inline wchar_t to_wchar(size_t i) { + if (i <= 9) { + return static_cast<wchar_t>(L'0' + i); + } else { + return static_cast<wchar_t>(L'a' + (i-10)); + } +} + +} // namespace detail + +inline std::string to_string(uuid const& u) +{ + std::string result; + result.reserve(36); + + std::size_t i=0; + for (uuid::const_iterator it_data = u.begin(); it_data!=u.end(); ++it_data, ++i) { + const size_t hi = ((*it_data) >> 4) & 0x0F; + result += detail::to_char(hi); + + const size_t lo = (*it_data) & 0x0F; + result += detail::to_char(lo); + + if (i == 3 || i == 5 || i == 7 || i == 9) { + result += '-'; + } + } + return result; +} + +#ifndef BOOST_NO_STD_WSTRING +inline std::wstring to_wstring(uuid const& u) +{ + std::wstring result; + result.reserve(36); + + std::size_t i=0; + for (uuid::const_iterator it_data = u.begin(); it_data!=u.end(); ++it_data, ++i) { + const size_t hi = ((*it_data) >> 4) & 0x0F; + result += detail::to_wchar(hi); + + const size_t lo = (*it_data) & 0x0F; + result += detail::to_wchar(lo); + + if (i == 3 || i == 5 || i == 7 || i == 9) { + result += L'-'; + } + } + return result; +} + +#endif + +}} //namespace boost::uuids + +#if defined(_MSC_VER) +#pragma warning(pop) // Restore warnings to previous state. +#endif + +#endif // BOOST_UUID_IO_HPP |