| /*============================================================================ |
| KWSys - Kitware System Library |
| Copyright 2000-2009 Kitware, Inc., Insight Software Consortium |
| |
| Distributed under the OSI-approved BSD License (the "License"); |
| see accompanying file Copyright.txt for details. |
| |
| This software is distributed WITHOUT ANY WARRANTY; without even the |
| implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
| See the License for more information. |
| ============================================================================*/ |
| /* |
| * Copyright (c) 1996 |
| * Silicon Graphics Computer Systems, Inc. |
| * |
| * Permission to use, copy, modify, distribute and sell this software |
| * and its documentation for any purpose is hereby granted without fee, |
| * provided that the above copyright notice appear in all copies and |
| * that both that copyright notice and this permission notice appear |
| * in supporting documentation. Silicon Graphics makes no |
| * representations about the suitability of this software for any |
| * purpose. It is provided "as is" without express or implied warranty. |
| * |
| * |
| * Copyright (c) 1994 |
| * Hewlett-Packard Company |
| * |
| * Permission to use, copy, modify, distribute and sell this software |
| * and its documentation for any purpose is hereby granted without fee, |
| * provided that the above copyright notice appear in all copies and |
| * that both that copyright notice and this permission notice appear |
| * in supporting documentation. Hewlett-Packard Company makes no |
| * representations about the suitability of this software for any |
| * purpose. It is provided "as is" without express or implied warranty. |
| * |
| */ |
| #ifndef @KWSYS_NAMESPACE@_hash_fun_hxx |
| #define @KWSYS_NAMESPACE@_hash_fun_hxx |
| |
| #include <@KWSYS_NAMESPACE@/Configure.hxx> |
| #include <stddef.h> // size_t |
| #include <string> |
| |
| namespace @KWSYS_NAMESPACE@ |
| { |
| |
| template <class _Key> struct hash { }; |
| |
| inline size_t _stl_hash_string(const char* __s) |
| { |
| unsigned long __h = 0; |
| for ( ; *__s; ++__s) |
| __h = 5*__h + *__s; |
| |
| return size_t(__h); |
| } |
| |
| template <> |
| struct hash<char*> { |
| size_t operator()(const char* __s) const { return _stl_hash_string(__s); } |
| }; |
| |
| template <> |
| struct hash<const char*> { |
| size_t operator()(const char* __s) const { return _stl_hash_string(__s); } |
| }; |
| |
| template <> |
| struct hash<std::string> { |
| size_t operator()(const std::string & __s) const { return _stl_hash_string(__s.c_str()); } |
| }; |
| |
| #if !defined(__BORLANDC__) |
| template <> |
| struct hash<const std::string> { |
| size_t operator()(const std::string & __s) const { return _stl_hash_string(__s.c_str()); } |
| }; |
| #endif |
| |
| template <> |
| struct hash<char> { |
| size_t operator()(char __x) const { return __x; } |
| }; |
| |
| template <> |
| struct hash<unsigned char> { |
| size_t operator()(unsigned char __x) const { return __x; } |
| }; |
| |
| template <> |
| struct hash<signed char> { |
| size_t operator()(unsigned char __x) const { return __x; } |
| }; |
| |
| template <> |
| struct hash<short> { |
| size_t operator()(short __x) const { return __x; } |
| }; |
| |
| template <> |
| struct hash<unsigned short> { |
| size_t operator()(unsigned short __x) const { return __x; } |
| }; |
| |
| template <> |
| struct hash<int> { |
| size_t operator()(int __x) const { return __x; } |
| }; |
| |
| template <> |
| struct hash<unsigned int> { |
| size_t operator()(unsigned int __x) const { return __x; } |
| }; |
| |
| template <> |
| struct hash<long> { |
| size_t operator()(long __x) const { return __x; } |
| }; |
| |
| template <> |
| struct hash<unsigned long> { |
| size_t operator()(unsigned long __x) const { return __x; } |
| }; |
| |
| // use long long or __int64 |
| #if @KWSYS_USE_LONG_LONG@ |
| template <> |
| struct hash<long long> { |
| size_t operator()(long long __x) const { return __x; } |
| }; |
| |
| template <> |
| struct hash<unsigned long long> { |
| size_t operator()(unsigned long long __x) const { return __x; } |
| }; |
| #elif @KWSYS_USE___INT64@ |
| template <> |
| struct hash<__int64> { |
| size_t operator()(__int64 __x) const { return __x; } |
| }; |
| template <> |
| struct hash<unsigned __int64> { |
| size_t operator()(unsigned __int64 __x) const { return __x; } |
| }; |
| #endif // use long long or __int64 |
| |
| } // namespace @KWSYS_NAMESPACE@ |
| |
| #endif |