--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/epoc32/include/stdapis/boost/functional/hash/hash.hpp Tue Mar 16 16:12:26 2010 +0000
@@ -0,0 +1,595 @@
+
+// Copyright Daniel James 2005-2006. Use, modification, and distribution are
+// subject to 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)
+
+// Based on Peter Dimov's proposal
+// http://www.open-std.org/JTC1/SC22/WG21/docs/papers/2005/n1756.pdf
+// issue 6.18.
+/*
+ * © Portions copyright (c) 2006-2007 Nokia Corporation. All rights reserved.
+*/
+#if !defined(BOOST_FUNCTIONAL_HASH_HASH_HPP)
+#define BOOST_FUNCTIONAL_HASH_HASH_HPP
+
+#include <boost/functional/hash_fwd.hpp>
+#include <functional>
+#include <boost/functional/detail/hash_float.hpp>
+#include <boost/functional/detail/container_fwd.hpp>
+#include <string>
+
+#if defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
+#include <boost/type_traits/is_pointer.hpp>
+#endif
+
+#if defined(BOOST_NO_FUNCTION_TEMPLATE_ORDERING)
+#include <boost/type_traits/is_array.hpp>
+#endif
+
+#if BOOST_WORKAROUND(BOOST_MSVC, < 1300)
+#include <boost/type_traits/is_const.hpp>
+#endif
+
+namespace boost
+{
+#if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x551))
+ // Borland complains about an ambiguous function overload
+ // when compiling boost::hash<bool>.
+ std::size_t hash_value(bool);
+#endif
+
+ std::size_t hash_value(int);
+ std::size_t hash_value(unsigned int);
+ std::size_t hash_value(long);
+ std::size_t hash_value(unsigned long);
+
+#if defined(BOOST_MSVC) && defined(_WIN64)
+ // On 64-bit windows std::size_t is a typedef for unsigned long long, which
+ // isn't due to be supported until Boost 1.35. So add support here.
+ // (Technically, Boost.Hash isn't actually documented as supporting
+ // std::size_t. But it would be pretty silly not to).
+ std::size_t hash_value(std::size_t);
+#endif
+
+#if !BOOST_WORKAROUND(__DMC__, <= 0x848)
+ template <class T> std::size_t hash_value(T* const&);
+#else
+ template <class T> std::size_t hash_value(T*);
+#endif
+
+#if !defined(BOOST_NO_FUNCTION_TEMPLATE_ORDERING)
+ template< class T, unsigned N >
+ std::size_t hash_value(const T (&array)[N]);
+
+ template< class T, unsigned N >
+ std::size_t hash_value(T (&array)[N]);
+#endif
+
+ std::size_t hash_value(float v);
+ std::size_t hash_value(double v);
+ std::size_t hash_value(long double v);
+
+ template <class Ch, class A>
+ std::size_t hash_value(std::basic_string<Ch, std::BOOST_HASH_CHAR_TRAITS<Ch>, A> const&);
+
+ template <class A, class B>
+ std::size_t hash_value(std::pair<A, B> const&);
+ template <class T, class A>
+ std::size_t hash_value(std::vector<T, A> const&);
+ template <class T, class A>
+ std::size_t hash_value(std::list<T, A> const& v);
+ template <class T, class A>
+ std::size_t hash_value(std::deque<T, A> const& v);
+ template <class K, class C, class A>
+ std::size_t hash_value(std::set<K, C, A> const& v);
+ template <class K, class C, class A>
+ std::size_t hash_value(std::multiset<K, C, A> const& v);
+ template <class K, class T, class C, class A>
+ std::size_t hash_value(std::map<K, T, C, A> const& v);
+ template <class K, class T, class C, class A>
+ std::size_t hash_value(std::multimap<K, T, C, A> const& v);
+
+ // Implementation
+
+#if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x551))
+ inline std::size_t hash_value(bool v)
+ {
+ return static_cast<std::size_t>(v);
+ }
+#endif
+
+ inline std::size_t hash_value(int v)
+ {
+ return static_cast<std::size_t>(v);
+ }
+
+ inline std::size_t hash_value(unsigned int v)
+ {
+ return static_cast<std::size_t>(v);
+ }
+
+ inline std::size_t hash_value(long v)
+ {
+ return static_cast<std::size_t>(v);
+ }
+
+ inline std::size_t hash_value(unsigned long v)
+ {
+ return static_cast<std::size_t>(v);
+ }
+
+#if defined(_M_X64) && defined(_WIN64)
+ inline std::size_t hash_value(long long v)
+ {
+ return v;
+ }
+
+ inline std::size_t hash_value(unsigned long long v)
+ {
+ return v;
+ }
+#endif
+
+ // Implementation by Alberto Barbati and Dave Harris.
+#if !BOOST_WORKAROUND(__DMC__, <= 0x848)
+ template <class T> std::size_t hash_value(T* const& v)
+#else
+ template <class T> std::size_t hash_value(T* v)
+#endif
+ {
+ std::size_t x = static_cast<std::size_t>(
+ reinterpret_cast<std::ptrdiff_t>(v));
+ return x + (x >> 3);
+ }
+
+#if BOOST_WORKAROUND(BOOST_MSVC, < 1300)
+ template <class T>
+ inline void hash_combine(std::size_t& seed, T& v)
+#else
+ template <class T>
+ inline void hash_combine(std::size_t& seed, T const& v)
+#endif
+ {
+ boost::hash<T> hasher;
+ seed ^= hasher(v) + 0x9e3779b9 + (seed<<6) + (seed>>2);
+ }
+
+ template <class It>
+ inline std::size_t hash_range(It first, It last)
+ {
+ std::size_t seed = 0;
+
+ for(; first != last; ++first)
+ {
+ hash_combine(seed, *first);
+ }
+
+ return seed;
+ }
+
+ template <class It>
+ inline void hash_range(std::size_t& seed, It first, It last)
+ {
+ for(; first != last; ++first)
+ {
+ hash_combine(seed, *first);
+ }
+ }
+
+#if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x551))
+ template <class T>
+ inline std::size_t hash_range(T* first, T* last)
+ {
+ std::size_t seed = 0;
+
+ for(; first != last; ++first)
+ {
+ boost::hash<T> hasher;
+ seed ^= hasher(*first) + 0x9e3779b9 + (seed<<6) + (seed>>2);
+ }
+
+ return seed;
+ }
+
+ template <class T>
+ inline void hash_range(std::size_t& seed, T* first, T* last)
+ {
+ for(; first != last; ++first)
+ {
+ boost::hash<T> hasher;
+ seed ^= hasher(*first) + 0x9e3779b9 + (seed<<6) + (seed>>2);
+ }
+ }
+#endif
+
+#if !defined(BOOST_NO_FUNCTION_TEMPLATE_ORDERING)
+ template< class T, unsigned N >
+ inline std::size_t hash_value(const T (&array)[N])
+ {
+ return hash_range(array, array + N);
+ }
+
+ template< class T, unsigned N >
+ inline std::size_t hash_value(T (&array)[N])
+ {
+ return hash_range(array, array + N);
+ }
+#endif
+
+ template <class Ch, class A>
+ inline std::size_t hash_value(std::basic_string<Ch, std::BOOST_HASH_CHAR_TRAITS<Ch>, A> const& v)
+ {
+ return hash_range(v.begin(), v.end());
+ }
+
+ inline std::size_t hash_value(float v)
+ {
+ return boost::hash_detail::float_hash_value(v);
+ }
+
+ inline std::size_t hash_value(double v)
+ {
+ return boost::hash_detail::float_hash_value(v);
+ }
+
+#ifndef __SYMBIAN32__ //long double not supported
+ inline std::size_t hash_value(long double v)
+ {
+ return boost::hash_detail::float_hash_value(v);
+ }
+#endif
+ template <class A, class B>
+ std::size_t hash_value(std::pair<A, B> const& v)
+ {
+ std::size_t seed = 0;
+ hash_combine(seed, v.first);
+ hash_combine(seed, v.second);
+ return seed;
+ }
+
+ template <class T, class A>
+ std::size_t hash_value(std::vector<T, A> const& v)
+ {
+ return hash_range(v.begin(), v.end());
+ }
+
+ template <class T, class A>
+ std::size_t hash_value(std::list<T, A> const& v)
+ {
+ return hash_range(v.begin(), v.end());
+ }
+
+ template <class T, class A>
+ std::size_t hash_value(std::deque<T, A> const& v)
+ {
+ return hash_range(v.begin(), v.end());
+ }
+
+ template <class K, class C, class A>
+ std::size_t hash_value(std::set<K, C, A> const& v)
+ {
+ return hash_range(v.begin(), v.end());
+ }
+
+ template <class K, class C, class A>
+ std::size_t hash_value(std::multiset<K, C, A> const& v)
+ {
+ return hash_range(v.begin(), v.end());
+ }
+
+ template <class K, class T, class C, class A>
+ std::size_t hash_value(std::map<K, T, C, A> const& v)
+ {
+ return hash_range(v.begin(), v.end());
+ }
+
+ template <class K, class T, class C, class A>
+ std::size_t hash_value(std::multimap<K, T, C, A> const& v)
+ {
+ return hash_range(v.begin(), v.end());
+ }
+
+ //
+ // boost::hash
+ //
+
+#if !BOOST_WORKAROUND(BOOST_MSVC, < 1300)
+#define BOOST_HASH_SPECIALIZE(type) \
+ template <> struct hash<type> \
+ : public std::unary_function<type, std::size_t> \
+ { \
+ std::size_t operator()(type v) const \
+ { \
+ return boost::hash_value(v); \
+ } \
+ };
+
+#define BOOST_HASH_SPECIALIZE_REF(type) \
+ template <> struct hash<type> \
+ : public std::unary_function<type, std::size_t> \
+ { \
+ std::size_t operator()(type const& v) const \
+ { \
+ return boost::hash_value(v); \
+ } \
+ };
+#else
+#define BOOST_HASH_SPECIALIZE(type) \
+ template <> struct hash<type> \
+ : public std::unary_function<type, std::size_t> \
+ { \
+ std::size_t operator()(type v) const \
+ { \
+ return boost::hash_value(v); \
+ } \
+ }; \
+ \
+ template <> struct hash<const type> \
+ : public std::unary_function<const type, std::size_t> \
+ { \
+ std::size_t operator()(const type v) const \
+ { \
+ return boost::hash_value(v); \
+ } \
+ };
+
+#define BOOST_HASH_SPECIALIZE_REF(type) \
+ template <> struct hash<type> \
+ : public std::unary_function<type, std::size_t> \
+ { \
+ std::size_t operator()(type const& v) const \
+ { \
+ return boost::hash_value(v); \
+ } \
+ }; \
+ \
+ template <> struct hash<const type> \
+ : public std::unary_function<const type, std::size_t> \
+ { \
+ std::size_t operator()(type const& v) const \
+ { \
+ return boost::hash_value(v); \
+ } \
+ };
+#endif
+
+ BOOST_HASH_SPECIALIZE(bool)
+ BOOST_HASH_SPECIALIZE(char)
+ BOOST_HASH_SPECIALIZE(signed char)
+ BOOST_HASH_SPECIALIZE(unsigned char)
+#if !defined(BOOST_NO_INTRINSIC_WCHAR_T) || defined(__SYMBIAN32__)
+ BOOST_HASH_SPECIALIZE(wchar_t)
+#endif
+ BOOST_HASH_SPECIALIZE(short)
+ BOOST_HASH_SPECIALIZE(unsigned short)
+ BOOST_HASH_SPECIALIZE(int)
+ BOOST_HASH_SPECIALIZE(unsigned int)
+ BOOST_HASH_SPECIALIZE(long)
+ BOOST_HASH_SPECIALIZE(unsigned long)
+
+ BOOST_HASH_SPECIALIZE(float)
+ BOOST_HASH_SPECIALIZE(double)
+ BOOST_HASH_SPECIALIZE(long double)
+
+ BOOST_HASH_SPECIALIZE_REF(std::string)
+#if !defined(BOOST_NO_STD_WSTRING)
+ BOOST_HASH_SPECIALIZE_REF(std::wstring)
+#endif
+
+#undef BOOST_HASH_SPECIALIZE
+#undef BOOST_HASH_SPECIALIZE_REF
+
+#if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
+ template <class T>
+ struct hash<T*>
+ : public std::unary_function<T*, std::size_t>
+ {
+ std::size_t operator()(T* v) const \
+ { \
+ return boost::hash_value(v); \
+ } \
+ };
+#else
+ namespace hash_detail
+ {
+ template <bool IsPointer>
+ struct hash_impl;
+
+ template <>
+ struct hash_impl<true>
+ {
+ template <class T>
+ struct inner
+ : public std::unary_function<T, std::size_t>
+ {
+ std::size_t operator()(T val) const
+ {
+ return boost::hash_value(val);
+ }
+ };
+ };
+ }
+
+ template <class T> struct hash
+ : public boost::hash_detail::hash_impl<boost::is_pointer<T>::value>
+ ::BOOST_NESTED_TEMPLATE inner<T>
+ {
+ };
+#endif
+}
+
+#endif // BOOST_FUNCTIONAL_HASH_HASH_HPP
+
+////////////////////////////////////////////////////////////////////////////////
+
+#if !defined(BOOST_HASH_NO_EXTENSIONS) \
+ && !defined(BOOST_FUNCTIONAL_HASH_EXTENSIONS_HPP)
+#define BOOST_FUNCTIONAL_HASH_EXTENSIONS_HPP
+
+namespace boost
+{
+
+#if defined(BOOST_NO_FUNCTION_TEMPLATE_ORDERING)
+ namespace hash_detail
+ {
+ template <bool IsArray>
+ struct call_hash_impl
+ {
+ template <class T>
+ struct inner
+ {
+ static std::size_t call(T const& v)
+ {
+ using namespace boost;
+ return hash_value(v);
+ }
+ };
+ };
+
+ template <>
+ struct call_hash_impl<true>
+ {
+ template <class Array>
+ struct inner
+ {
+#if !BOOST_WORKAROUND(BOOST_MSVC, < 1300)
+ static std::size_t call(Array const& v)
+#else
+ static std::size_t call(Array& v)
+#endif
+ {
+ const int size = sizeof(v) / sizeof(*v);
+ return boost::hash_range(v, v + size);
+ }
+ };
+ };
+
+ template <class T>
+ struct call_hash
+ : public call_hash_impl<boost::is_array<T>::value>
+ ::BOOST_NESTED_TEMPLATE inner<T>
+ {
+ };
+ }
+#endif // BOOST_NO_FUNCTION_TEMPLATE_ORDERING
+
+#if !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
+
+ template <class T> struct hash
+ : std::unary_function<T, std::size_t>
+ {
+#if !defined(BOOST_NO_FUNCTION_TEMPLATE_ORDERING)
+ std::size_t operator()(T const& val) const
+ {
+ return hash_value(val);
+ }
+#else
+ std::size_t operator()(T const& val) const
+ {
+ return hash_detail::call_hash<T>::call(val);
+ }
+#endif
+ };
+
+#if BOOST_WORKAROUND(__DMC__, <= 0x848)
+ template <class T, unsigned int n> struct hash<T[n]>
+ : std::unary_function<T[n], std::size_t>
+ {
+ std::size_t operator()(const T* val) const
+ {
+ return boost::hash_range(val, val+n);
+ }
+ };
+#endif
+
+#else // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
+
+ // On compilers without partial specialization, boost::hash<T>
+ // has already been declared to deal with pointers, so just
+ // need to supply the non-pointer version.
+
+ namespace hash_detail
+ {
+ template <bool IsPointer>
+ struct hash_impl;
+
+#if !BOOST_WORKAROUND(BOOST_MSVC, < 1300)
+
+ template <>
+ struct hash_impl<false>
+ {
+ template <class T>
+ struct inner
+ : std::unary_function<T, std::size_t>
+ {
+#if !defined(BOOST_NO_FUNCTION_TEMPLATE_ORDERING)
+ std::size_t operator()(T const& val) const
+ {
+ return hash_value(val);
+ }
+#else
+ std::size_t operator()(T const& val) const
+ {
+ return hash_detail::call_hash<T>::call(val);
+ }
+#endif
+ };
+ };
+
+#else // Visual C++ 6.5
+
+ // There's probably a more elegant way to Visual C++ 6.5 to work
+ // but I don't know what it is.
+
+ template <bool IsConst>
+ struct hash_impl_msvc
+ {
+ template <class T>
+ struct inner
+ : public std::unary_function<T, std::size_t>
+ {
+ std::size_t operator()(T const& val) const
+ {
+ return hash_detail::call_hash<T const>::call(val);
+ }
+
+ std::size_t operator()(T& val) const
+ {
+ return hash_detail::call_hash<T>::call(val);
+ }
+ };
+ };
+
+ template <>
+ struct hash_impl_msvc<true>
+ {
+ template <class T>
+ struct inner
+ : public std::unary_function<T, std::size_t>
+ {
+ std::size_t operator()(T& val) const
+ {
+ return hash_detail::call_hash<T>::call(val);
+ }
+ };
+ };
+
+ template <class T>
+ struct hash_impl_msvc2
+ : public hash_impl_msvc<boost::is_const<T>::value>
+ ::BOOST_NESTED_TEMPLATE inner<T> {};
+
+ template <>
+ struct hash_impl<false>
+ {
+ template <class T>
+ struct inner : public hash_impl_msvc2<T> {};
+ };
+
+#endif // Visual C++ 6.5
+ }
+#endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
+}
+
+#endif
+