Files
azerothcore-wotlk-pbot/src/common/Dynamic/HashNamespace.h
2018-03-12 10:54:57 +01:00

108 lines
2.6 KiB
C++

/*
* Copyright (C) 2016+ AzerothCore <www.azerothcore.org>, released under GNU GPL v2 license: https://github.com/azerothcore/azerothcore-wotlk/blob/master/LICENSE-GPL2
* Copyright (C) 2008-2016 TrinityCore <http://www.trinitycore.org/>
* Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
*/
#ifndef TRINITY_HASH_NAMESPACE_H
#define TRINITY_HASH_NAMESPACE_H
#include "Define.h"
#if COMPILER_HAS_CPP11_SUPPORT
# define HASH_NAMESPACE_START namespace std {
# define HASH_NAMESPACE_END }
#elif defined(_STLPORT_VERSION)
# define HASH_NAMESPACE_START namespace std {
# define HASH_NAMESPACE_END }
#elif COMPILER == COMPILER_MICROSOFT && _MSC_VER >= 1600 // VS100
# define HASH_NAMESPACE_START namespace std {
# define HASH_NAMESPACE_END }
#elif COMPILER == COMPILER_MICROSOFT && _MSC_VER >= 1500 && _HAS_TR1
# define HASH_NAMESPACE_START namespace std { namespace tr1 {
# define HASH_NAMESPACE_END } }
#elif COMPILER == COMPILER_MICROSOFT && _MSC_VER >= 1300
# define HASH_NAMESPACE_START namespace stdext {
# define HASH_NAMESPACE_END }
#if !_HAS_TRADITIONAL_STL
#ifndef HASH_NAMESPACE
#define HASH_NAMESPACE
#else
// can be not used by some platforms, so provide fake forward
HASH_NAMESPACE_START
template<class K>
class hash
{
public:
size_t operator() (K const&);
};
HASH_NAMESPACE_END
#endif
#endif
#elif COMPILER == COMPILER_INTEL
# define HASH_NAMESPACE_START namespace std {
# define HASH_NAMESPACE_END }
#elif COMPILER == COMPILER_GNU && defined(__clang__) && defined(_LIBCPP_VERSION)
# define HASH_NAMESPACE_START namespace std {
# define HASH_NAMESPACE_END }
#elif COMPILER == COMPILER_GNU && GCC_VERSION > 40200
# define HASH_NAMESPACE_START namespace std { namespace tr1 {
# define HASH_NAMESPACE_END } }
#elif COMPILER == COMPILER_GNU && GCC_VERSION >= 30000
# define HASH_NAMESPACE_START namespace __gnu_cxx {
# define HASH_NAMESPACE_END }
#include <ext/hash_fun.h>
#include <string>
HASH_NAMESPACE_START
template<>
class hash<unsigned long long>
{
public:
size_t operator()(const unsigned long long &__x) const { return (size_t)__x; }
};
template<typename T>
class hash<T *>
{
public:
size_t operator()(T * const &__x) const { return (size_t)__x; }
};
template<> struct hash<std::string>
{
size_t operator()(const std::string &__x) const
{
return hash<char const*>()(__x.c_str());
}
};
HASH_NAMESPACE_END
#else
# define HASH_NAMESPACE_START namespace std {
# define HASH_NAMESPACE_END }
#endif
#if COMPILER != COMPILER_MICROSOFT
// Visual Studio use non standard hash calculation function, so provide fake forward for other
HASH_NAMESPACE_START
template<class K>
size_t hash_value(K const&);
HASH_NAMESPACE_END
#endif
#endif