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Diffstat (limited to '3rdParty/Boost/src/boost/uuid/uuid.hpp')
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+// Boost uuid.hpp header file ----------------------------------------------//
+
+// Copyright 2006 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
+// 06 Feb 2006 - Initial Revision
+// 09 Nov 2006 - fixed variant and version bits for v4 guids
+// 13 Nov 2006 - added serialization
+// 17 Nov 2006 - added name-based guid creation
+// 20 Nov 2006 - add fixes for gcc (from Tim Blechmann)
+// 07 Mar 2007 - converted to header only
+// 10 May 2007 - removed need for Boost.Thread
+// - added better seed - thanks Peter Dimov
+// - removed null()
+// - replaced byte_count() and output_bytes() with size() and begin() and end()
+// 11 May 2007 - fixed guid(ByteInputIterator first, ByteInputIterator last)
+// - optimized operator>>
+// 14 May 2007 - converted from guid to uuid
+// 29 May 2007 - uses new implementation of sha1
+// 01 Jun 2007 - removed using namespace directives
+// 09 Nov 2007 - moved implementation to uuid.ipp file
+// 12 Nov 2007 - moved serialize code to uuid_serialize.hpp file
+// 25 Feb 2008 - moved to namespace boost::uuids
+// 19 Mar 2009 - changed to a POD, reorganized files
+// 28 Nov 2009 - disabled deprecated warnings for MSVC
+// 30 Nov 2009 - used BOOST_STATIC_CONSTANT
+// 02 Dec 2009 - removed BOOST_STATIC_CONSTANT - not all compilers like it
+
+#ifndef BOOST_UUID_HPP
+#define BOOST_UUID_HPP
+
+#include <boost/config.hpp>
+#include <stddef.h>
+#include <boost/cstdint.hpp>
+#include <algorithm>
+#include <boost/config.hpp> // for static assert
+#include <boost/mpl/bool.hpp>
+#include <boost/type_traits/is_pod.hpp>
+
+#if defined(_MSC_VER)
+#pragma warning(push) // Save warning settings.
+#pragma warning(disable : 4996) // Disable deprecated std::swap_ranges, std::equal
+#endif
+
+#ifdef BOOST_NO_STDC_NAMESPACE
+namespace std {
+ using ::size_t;
+ using ::ptrdiff_t;
+} //namespace std
+#endif //BOOST_NO_STDC_NAMESPACE
+
+namespace boost {
+namespace uuids {
+
+struct uuid
+{
+public:
+ typedef uint8_t value_type;
+ typedef uint8_t& reference;
+ typedef uint8_t const& const_reference;
+ typedef uint8_t* iterator;
+ typedef uint8_t const* const_iterator;
+ typedef std::size_t size_type;
+ typedef std::ptrdiff_t difference_type;
+
+ // This does not work on some compilers
+ // They seem to want the variable definec in
+ // a cpp file
+ //BOOST_STATIC_CONSTANT(size_type, static_size = 16);
+ static size_type static_size() { return 16; }
+
+public:
+ iterator begin() { return data; } /* throw() */
+ const_iterator begin() const { return data; } /* throw() */
+ iterator end() { return data+size(); } /* throw() */
+ const_iterator end() const { return data+size(); } /* throw() */
+
+ size_type size() const { return static_size(); } /* throw() */
+
+ bool is_nil() const /* throw() */
+ {
+ for(size_t i=0; i<static_size(); i++) {
+ if (data[i] != 0U) {
+ return false;
+ }
+ }
+ return true;
+ }
+
+ enum variant_type
+ {
+ variant_ncs, // NCS backward compatibility
+ variant_rfc_4122, // defined in RFC 4122 document
+ variant_microsoft, // Microsoft Corporation backward compatibility
+ variant_future // future definition
+ };
+ variant_type variant() const /* throw() */
+ {
+ // variant is stored in octet 7
+ // which is index 8, since indexes count backwards
+ unsigned char octet7 = data[8]; // octet 7 is array index 8
+ if ( (octet7 & 0x80) == 0x00 ) { // 0b0xxxxxxx
+ return variant_ncs;
+ } else if ( (octet7 & 0xC0) == 0x80 ) { // 0b10xxxxxx
+ return variant_rfc_4122;
+ } else if ( (octet7 & 0xE0) == 0xC0 ) { // 0b110xxxxx
+ return variant_microsoft;
+ } else {
+ //assert( (octet7 & 0xE0) == 0xE0 ) // 0b111xxxx
+ return variant_future;
+ }
+ }
+
+ enum version_type
+ {
+ version_unknown = -1,
+ version_time_based = 1,
+ version_dce_security = 2,
+ version_name_based_md5 = 3,
+ version_random_number_based = 4,
+ version_name_based_sha1 = 5
+ };
+ version_type version() const /* throw() */
+ {
+ //version is stored in octet 9
+ // which is index 6, since indexes count backwards
+ unsigned char octet9 = data[6];
+ if ( (octet9 & 0xF0) == 0x10 ) {
+ return version_time_based;
+ } else if ( (octet9 & 0xF0) == 0x20 ) {
+ return version_dce_security;
+ } else if ( (octet9 & 0xF0) == 0x30 ) {
+ return version_name_based_md5;
+ } else if ( (octet9 & 0xF0) == 0x40 ) {
+ return version_random_number_based;
+ } else if ( (octet9 & 0xF0) == 0x50 ) {
+ return version_name_based_sha1;
+ } else {
+ return version_unknown;
+ }
+ }
+
+ // note: linear complexity
+ void swap(uuid& rhs) /* throw() */
+ {
+ std::swap_ranges(begin(), end(), rhs.begin());
+ }
+
+public:
+ // or should it be array<uint8_t, 16>
+ uint8_t data[16];
+};
+
+inline bool operator==(uuid const& lhs, uuid const& rhs) /* throw() */
+{
+ return std::equal(lhs.begin(), lhs.end(), rhs.begin());
+}
+
+inline bool operator!=(uuid const& lhs, uuid const& rhs) /* throw() */
+{
+ return !(lhs == rhs);
+}
+
+inline bool operator<(uuid const& lhs, uuid const& rhs) /* throw() */
+{
+ return std::lexicographical_compare(lhs.begin(), lhs.end(), rhs.begin(), rhs.end());
+}
+
+inline bool operator>(uuid const& lhs, uuid const& rhs) /* throw() */
+{
+ return rhs < lhs;
+}
+inline bool operator<=(uuid const& lhs, uuid const& rhs) /* throw() */
+{
+ return !(rhs < lhs);
+}
+
+inline bool operator>=(uuid const& lhs, uuid const& rhs) /* throw() */
+{
+ return !(lhs < rhs);
+}
+
+inline void swap(uuid& lhs, uuid& rhs) /* throw() */
+{
+ lhs.swap(rhs);
+}
+
+// This is equivalent to boost::hash_range(u.begin(), u.end());
+inline std::size_t hash_value(uuid const& u) /* throw() */
+{
+ std::size_t seed = 0;
+ for(uuid::const_iterator i=u.begin(); i != u.end(); ++i)
+ {
+ seed ^= static_cast<std::size_t>(*i) + 0x9e3779b9 + (seed << 6) + (seed >> 2);
+ }
+
+ return seed;
+}
+
+}} //namespace boost::uuids
+
+// type traits specializations
+namespace boost {
+
+template <>
+struct is_pod<uuids::uuid> : mpl::true_
+{};
+
+} // namespace boost
+
+#if defined(_MSC_VER)
+#pragma warning(pop) // Restore warnings to previous state.
+#endif
+
+#endif // BOOST_UUID_HPP