1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/epoc32/include/tools/stlport/stl/_string_hash.h Wed Mar 31 12:33:34 2010 +0100
1.3 @@ -0,0 +1,71 @@
1.4 +/*
1.5 + * Copyright (c) 1997-1999
1.6 + * Silicon Graphics Computer Systems, Inc.
1.7 + *
1.8 + * Copyright (c) 1999
1.9 + * Boris Fomitchev
1.10 + *
1.11 + * This material is provided "as is", with absolutely no warranty expressed
1.12 + * or implied. Any use is at your own risk.
1.13 + *
1.14 + * Permission to use or copy this software for any purpose is hereby granted
1.15 + * without fee, provided the above notices are retained on all copies.
1.16 + * Permission to modify the code and to distribute modified code is granted,
1.17 + * provided the above notices are retained, and a notice that the code was
1.18 + * modified is included with the above copyright notice.
1.19 + *
1.20 + */
1.21 +
1.22 +#ifndef _STLP_STRING_HASH_H
1.23 +#define _STLP_STRING_HASH_H
1.24 +
1.25 +#ifndef _STLP_HASH_FUN_H
1.26 +# include <stl/_hash_fun.h>
1.27 +#endif
1.28 +
1.29 +#ifndef _STLP_INTERNAL_STRING_H
1.30 +# include <stl/_string.h>
1.31 +#endif
1.32 +
1.33 +_STLP_BEGIN_NAMESPACE
1.34 +
1.35 +template <class _CharT, class _Traits, class _Alloc>
1.36 +_STLP_INLINE_LOOP size_t
1.37 +__stl_string_hash(const basic_string<_CharT,_Traits,_Alloc>& __s) {
1.38 + unsigned long __h = 0;
1.39 + size_t __len = __s.size();
1.40 + const _CharT* __data = __s.data();
1.41 + for ( size_t __i = 0; __i < __len; ++__i)
1.42 + __h = /* 5 *__h */(__h << 2) + __h + __data[__i];
1.43 + return size_t(__h);
1.44 +}
1.45 +
1.46 +#if defined (_STLP_CLASS_PARTIAL_SPECIALIZATION)
1.47 +
1.48 +template <class _CharT, class _Traits, class _Alloc>
1.49 +struct hash<basic_string<_CharT,_Traits,_Alloc> > {
1.50 + size_t operator()(const basic_string<_CharT,_Traits,_Alloc>& __s) const
1.51 + { return __stl_string_hash(__s); }
1.52 +};
1.53 +
1.54 +#else
1.55 +
1.56 +_STLP_TEMPLATE_NULL
1.57 +struct _STLP_CLASS_DECLSPEC hash<string> {
1.58 + size_t operator()(const string& __s) const
1.59 + { return __stl_string_hash(__s); }
1.60 +};
1.61 +
1.62 +# if defined (_STLP_HAS_WCHAR_T)
1.63 +_STLP_TEMPLATE_NULL
1.64 +struct _STLP_CLASS_DECLSPEC hash<wstring> {
1.65 + size_t operator()(const wstring& __s) const
1.66 + { return __stl_string_hash(__s); }
1.67 +};
1.68 +# endif
1.69 +
1.70 +#endif /* _STLP_CLASS_PARTIAL_SPECIALIZATION */
1.71 +
1.72 +_STLP_END_NAMESPACE
1.73 +
1.74 +#endif