1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/epoc32/include/stdapis/stlport/stl/_function_base.h Wed Mar 31 12:33:34 2010 +0100
1.3 @@ -0,0 +1,226 @@
1.4 +/*
1.5 + *
1.6 + * Copyright (c) 1994
1.7 + * Hewlett-Packard Company
1.8 + *
1.9 + * Copyright (c) 1996-1998
1.10 + * Silicon Graphics Computer Systems, Inc.
1.11 + *
1.12 + * Copyright (c) 1997
1.13 + * Moscow Center for SPARC Technology
1.14 + *
1.15 + * Copyright (c) 1999
1.16 + * Boris Fomitchev
1.17 + *
1.18 + * This material is provided "as is", with absolutely no warranty expressed
1.19 + * or implied. Any use is at your own risk.
1.20 + *
1.21 + * Permission to use or copy this software for any purpose is hereby granted
1.22 + * without fee, provided the above notices are retained on all copies.
1.23 + * Permission to modify the code and to distribute modified code is granted,
1.24 + * provided the above notices are retained, and a notice that the code was
1.25 + * modified is included with the above copyright notice.
1.26 + *
1.27 + */
1.28 +
1.29 +/* NOTE: This is an internal header file, included by other STL headers.
1.30 + * You should not attempt to use it directly.
1.31 + */
1.32 +
1.33 +#ifndef _STLP_INTERNAL_FUNCTION_BASE_H
1.34 +#define _STLP_INTERNAL_FUNCTION_BASE_H
1.35 +
1.36 +#ifndef _STLP_CONFIG_H
1.37 +#include <stl/_config.h>
1.38 +#endif
1.39 +
1.40 +_STLP_BEGIN_NAMESPACE
1.41 +
1.42 +template <class _Arg, class _Result>
1.43 +struct unary_function {
1.44 + typedef _Arg argument_type;
1.45 + typedef _Result result_type;
1.46 +};
1.47 +
1.48 +template <class _Arg1, class _Arg2, class _Result>
1.49 +struct binary_function {
1.50 + typedef _Arg1 first_argument_type;
1.51 + typedef _Arg2 second_argument_type;
1.52 + typedef _Result result_type;
1.53 +};
1.54 +
1.55 +template <class _Tp>
1.56 +struct equal_to : public binary_function<_Tp,_Tp,bool>
1.57 +{
1.58 + bool operator()(const _Tp& __x, const _Tp& __y) const { return __x == __y; }
1.59 +};
1.60 +
1.61 +template <class _Tp>
1.62 +struct not_equal_to : public binary_function<_Tp,_Tp,bool>
1.63 +{
1.64 + bool operator()(const _Tp& __x, const _Tp& __y) const { return __x != __y; }
1.65 +};
1.66 +
1.67 +template <class _Tp>
1.68 +struct greater : public binary_function<_Tp,_Tp,bool>
1.69 +{
1.70 + bool operator()(const _Tp& __x, const _Tp& __y) const { return __x > __y; }
1.71 +};
1.72 +
1.73 +template <class _Tp>
1.74 +struct less : public binary_function<_Tp,_Tp,bool>
1.75 +{
1.76 + bool operator()(const _Tp& __x, const _Tp& __y) const { return __x < __y; }
1.77 +};
1.78 +
1.79 +template <class _Tp>
1.80 +struct greater_equal : public binary_function<_Tp,_Tp,bool>
1.81 +{
1.82 + bool operator()(const _Tp& __x, const _Tp& __y) const { return __x >= __y; }
1.83 +};
1.84 +
1.85 +template <class _Tp>
1.86 +struct less_equal : public binary_function<_Tp,_Tp,bool>
1.87 +{
1.88 + bool operator()(const _Tp& __x, const _Tp& __y) const { return __x <= __y; }
1.89 +};
1.90 +
1.91 +template <class _Tp>
1.92 +less<_Tp> __less(_Tp* ) { return less<_Tp>(); }
1.93 +
1.94 +template <class _Tp>
1.95 +equal_to<_Tp> __equal_to(_Tp* ) { return equal_to<_Tp>(); }
1.96 +
1.97 +template <class _Tp>
1.98 +struct plus : public binary_function<_Tp,_Tp,_Tp> {
1.99 + _Tp operator()(const _Tp& __x, const _Tp& __y) const { return __x + __y; }
1.100 +};
1.101 +
1.102 +template <class _Tp>
1.103 +struct minus : public binary_function<_Tp,_Tp,_Tp> {
1.104 + _Tp operator()(const _Tp& __x, const _Tp& __y) const { return __x - __y; }
1.105 +};
1.106 +
1.107 +template <class _Tp>
1.108 +plus<_Tp> __plus(_Tp* ) { return plus<_Tp>(); }
1.109 +
1.110 +template <class _Tp>
1.111 +minus<_Tp> __minus(_Tp* ) { return minus<_Tp>(); }
1.112 +
1.113 +template <class _Tp>
1.114 +struct multiplies : public binary_function<_Tp,_Tp,_Tp> {
1.115 + _Tp operator()(const _Tp& __x, const _Tp& __y) const { return __x * __y; }
1.116 +};
1.117 +
1.118 +template <class _Tp>
1.119 +struct divides : public binary_function<_Tp,_Tp,_Tp> {
1.120 + _Tp operator()(const _Tp& __x, const _Tp& __y) const { return __x / __y; }
1.121 +};
1.122 +
1.123 +template <class _Tp>
1.124 +struct modulus : public binary_function<_Tp,_Tp,_Tp>
1.125 +{
1.126 + _Tp operator()(const _Tp& __x, const _Tp& __y) const { return __x % __y; }
1.127 +};
1.128 +
1.129 +template <class _Tp>
1.130 +struct negate : public unary_function<_Tp,_Tp>
1.131 +{
1.132 + _Tp operator()(const _Tp& __x) const { return -__x; }
1.133 +};
1.134 +
1.135 +template <class _Tp>
1.136 +struct logical_and : public binary_function<_Tp,_Tp,bool>
1.137 +{
1.138 + bool operator()(const _Tp& __x, const _Tp& __y) const { return __x && __y; }
1.139 +};
1.140 +
1.141 +template <class _Tp>
1.142 +struct logical_or : public binary_function<_Tp,_Tp,bool>
1.143 +{
1.144 + bool operator()(const _Tp& __x, const _Tp& __y) const { return __x || __y; }
1.145 +};
1.146 +
1.147 +template <class _Tp>
1.148 +struct logical_not : public unary_function<_Tp,bool>
1.149 +{
1.150 + bool operator()(const _Tp& __x) const { return !__x; }
1.151 +};
1.152 +
1.153 +template <class _Pair>
1.154 +struct _Select1st : public unary_function<_Pair, typename _Pair::first_type> {
1.155 + const typename _Pair::first_type& operator()(const _Pair& __x) const {
1.156 + return __x.first;
1.157 + }
1.158 +};
1.159 +
1.160 +template <class _Pair>
1.161 +struct _Select2nd : public unary_function<_Pair, typename _Pair::second_type>
1.162 +{
1.163 + const typename _Pair::second_type& operator()(const _Pair& __x) const {
1.164 + return __x.second;
1.165 + }
1.166 +};
1.167 +
1.168 +// project1st and project2nd are extensions: they are not part of the standard
1.169 +template <class _Arg1, class _Arg2>
1.170 +struct _Project1st : public binary_function<_Arg1, _Arg2, _Arg1> {
1.171 + _Arg1 operator()(const _Arg1& __x, const _Arg2&) const { return __x; }
1.172 +};
1.173 +
1.174 +template <class _Arg1, class _Arg2>
1.175 +struct _Project2nd : public binary_function<_Arg1, _Arg2, _Arg2> {
1.176 + _Arg2 operator()(const _Arg1&, const _Arg2& __y) const { return __y; }
1.177 +};
1.178 +
1.179 +#ifdef _STLP_MULTI_CONST_TEMPLATE_ARG_BUG
1.180 +// fbp : sort of select1st just for maps
1.181 +template <class _Pair, class _Whatever>
1.182 +// JDJ (CW Pro1 doesn't like const when first_type is also const)
1.183 +struct __Select1st_hint : public unary_function<_Pair, _Whatever> {
1.184 + const _Whatever& operator () (const _Pair& __x) const { return __x.first; }
1.185 +};
1.186 +# define _STLP_SELECT1ST(__x,__y) __Select1st_hint< __x, __y >
1.187 +# else
1.188 +# define _STLP_SELECT1ST(__x, __y) _Select1st< __x >
1.189 +# endif
1.190 +
1.191 +template <class _Tp>
1.192 +struct _Identity : public unary_function<_Tp,_Tp> {
1.193 + const _Tp& operator()(const _Tp& __x) const { return __x; }
1.194 +};
1.195 +
1.196 +template <class _Result, class _Argument>
1.197 +struct _Constant_unary_fun {
1.198 + typedef _Argument argument_type;
1.199 + typedef _Result result_type;
1.200 + result_type _M_val;
1.201 +
1.202 + _Constant_unary_fun(const result_type& __v) : _M_val(__v) {}
1.203 + const result_type& operator()(const _Argument&) const { return _M_val; }
1.204 +};
1.205 +
1.206 +template <class _Result, class _Arg1, class _Arg2>
1.207 +struct _Constant_binary_fun {
1.208 + typedef _Arg1 first_argument_type;
1.209 + typedef _Arg2 second_argument_type;
1.210 + typedef _Result result_type;
1.211 + _Result _M_val;
1.212 +
1.213 + _Constant_binary_fun(const _Result& __v) : _M_val(__v) {}
1.214 + const result_type& operator()(const _Arg1&, const _Arg2&) const {
1.215 + return _M_val;
1.216 + }
1.217 +};
1.218 +
1.219 +// identity_element (not part of the C++ standard).
1.220 +template <class _Tp> inline _Tp __identity_element(plus<_Tp>) { return _Tp(0); }
1.221 +template <class _Tp> inline _Tp __identity_element(multiplies<_Tp>) { return _Tp(1); }
1.222 +
1.223 +_STLP_END_NAMESPACE
1.224 +
1.225 +#endif /* _STLP_INTERNAL_FUNCTION_BASE_H */
1.226 +
1.227 +// Local Variables:
1.228 +// mode:C++
1.229 +// End: