119 lines
3 KiB
C++
119 lines
3 KiB
C++
/*
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* Copyright (C)
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* Copyright (C)
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef TRINITY_HASH_NAMESPACE_H
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#define TRINITY_HASH_NAMESPACE_H
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#include "Define.h"
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#if COMPILER_HAS_CPP11_SUPPORT
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# define HASH_NAMESPACE_START namespace std {
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# define HASH_NAMESPACE_END }
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#elif defined(_STLPORT_VERSION)
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# define HASH_NAMESPACE_START namespace std {
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# define HASH_NAMESPACE_END }
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#elif COMPILER == COMPILER_MICROSOFT && _MSC_VER >= 1600 // VS100
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# define HASH_NAMESPACE_START namespace std {
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# define HASH_NAMESPACE_END }
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#elif COMPILER == COMPILER_MICROSOFT && _MSC_VER >= 1500 && _HAS_TR1
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# define HASH_NAMESPACE_START namespace std { namespace tr1 {
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# define HASH_NAMESPACE_END } }
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#elif COMPILER == COMPILER_MICROSOFT && _MSC_VER >= 1300
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# define HASH_NAMESPACE_START namespace stdext {
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# define HASH_NAMESPACE_END }
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#if !_HAS_TRADITIONAL_STL
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#ifndef HASH_NAMESPACE
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#define HASH_NAMESPACE
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#else
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// can be not used by some platforms, so provide fake forward
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HASH_NAMESPACE_START
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template<class K>
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class hash
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{
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public:
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size_t operator() (K const&);
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};
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HASH_NAMESPACE_END
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#endif
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#endif
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#elif COMPILER == COMPILER_INTEL
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# define HASH_NAMESPACE_START namespace std {
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# define HASH_NAMESPACE_END }
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#elif COMPILER == COMPILER_GNU && defined(__clang__) && defined(_LIBCPP_VERSION)
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# define HASH_NAMESPACE_START namespace std {
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# define HASH_NAMESPACE_END }
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#elif COMPILER == COMPILER_GNU && GCC_VERSION > 40200
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# define HASH_NAMESPACE_START namespace std { namespace tr1 {
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# define HASH_NAMESPACE_END } }
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#elif COMPILER == COMPILER_GNU && GCC_VERSION >= 30000
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# define HASH_NAMESPACE_START namespace __gnu_cxx {
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# define HASH_NAMESPACE_END }
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#include <ext/hash_fun.h>
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#include <string>
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HASH_NAMESPACE_START
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template<>
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class hash<unsigned long long>
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{
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public:
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size_t operator()(const unsigned long long &__x) const { return (size_t)__x; }
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};
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template<typename T>
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class hash<T *>
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{
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public:
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size_t operator()(T * const &__x) const { return (size_t)__x; }
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};
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template<> struct hash<std::string>
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{
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size_t operator()(const std::string &__x) const
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{
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return hash<char const*>()(__x.c_str());
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}
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};
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HASH_NAMESPACE_END
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#else
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# define HASH_NAMESPACE_START namespace std {
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# define HASH_NAMESPACE_END }
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#endif
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#if COMPILER != COMPILER_MICROSOFT
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// Visual Studio use non standard hash calculation function, so provide fake forward for other
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HASH_NAMESPACE_START
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template<class K>
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size_t hash_value(K const&);
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HASH_NAMESPACE_END
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#endif
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#endif
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