--- /dev/null
+/*
+ *
+ * Copyright (c) 1994
+ * Hewlett-Packard Company
+ *
+ * Copyright (c) 1996-1998
+ * Silicon Graphics Computer Systems, Inc.
+ *
+ * Copyright (c) 1997
+ * Moscow Center for SPARC Technology
+ *
+ * Copyright (c) 1999
+ * Boris Fomitchev
+ *
+ * This material is provided "as is", with absolutely no warranty expressed
+ * or implied. Any use is at your own risk.
+ *
+ * Permission to use or copy this software for any purpose is hereby granted
+ * without fee, provided the above notices are retained on all copies.
+ * Permission to modify the code and to distribute modified code is granted,
+ * provided the above notices are retained, and a notice that the code was
+ * modified is included with the above copyright notice.
+ *
+ */
+
+/* NOTE: This is an internal header file, included by other STL headers.
+ * You should not attempt to use it directly.
+ */
+
+#ifndef _STLP_INTERNAL_FUNCTION_BASE_H
+#define _STLP_INTERNAL_FUNCTION_BASE_H
+
+#if defined (_STLP_CLASS_PARTIAL_SPECIALIZATION) && !defined (_STLP_TYPE_TRAITS_H)
+# include <stl/type_traits.h>
+#endif
+
+_STLP_BEGIN_NAMESPACE
+
+template <class _Arg, class _Result>
+struct unary_function {
+ typedef _Arg argument_type;
+ typedef _Result result_type;
+};
+
+template <class _Arg1, class _Arg2, class _Result>
+struct binary_function {
+ typedef _Arg1 first_argument_type;
+ typedef _Arg2 second_argument_type;
+ typedef _Result result_type;
+};
+
+template <class _Tp>
+struct equal_to : public binary_function<_Tp, _Tp, bool> {
+ bool operator()(const _Tp& __x, const _Tp& __y) const { return __x == __y; }
+};
+
+template <class _Tp>
+struct less : public binary_function<_Tp,_Tp,bool>
+#if defined (_STLP_CLASS_PARTIAL_SPECIALIZATION)
+/* less is the default template parameter for many STL containers, to fully use
+ * the move constructor feature we need to know that the default less is just a
+ * functor.
+ */
+ , public __stlport_class<less<_Tp> >
+#endif
+{
+ bool operator()(const _Tp& __x, const _Tp& __y) const { return __x < __y; }
+
+#if defined (_STLP_CLASS_PARTIAL_SPECIALIZATION) && defined (_STLP_USE_PARTIAL_SPEC_WORKAROUND)
+ //This is for a very special compiler config: partial template specialization
+ //but no template function partial ordering.
+ void swap(less<_Tp>&) {}
+#endif
+};
+
+#if defined (_STLP_CLASS_PARTIAL_SPECIALIZATION)
+template <class _Tp>
+struct __type_traits<less<_Tp> > {
+#if !defined (__BORLANDC__)
+ typedef typename _IsSTLportClass<less<_Tp> >::_Ret _STLportLess;
+#else
+ enum { _Is = _IsSTLportClass<less<_Tp> >::_Is };
+ typedef typename __bool2type<_Is>::_Ret _STLportLess;
+#endif
+ typedef _STLportLess has_trivial_default_constructor;
+ typedef _STLportLess has_trivial_copy_constructor;
+ typedef _STLportLess has_trivial_assignment_operator;
+ typedef _STLportLess has_trivial_destructor;
+ typedef _STLportLess is_POD_type;
+};
+#endif
+
+_STLP_MOVE_TO_PRIV_NAMESPACE
+
+template <class _Tp>
+less<_Tp> __less(_Tp* ) { return less<_Tp>(); }
+
+template <class _Tp>
+equal_to<_Tp> __equal_to(_Tp* ) { return equal_to<_Tp>(); }
+
+_STLP_MOVE_TO_STD_NAMESPACE
+
+template <class _Tp>
+struct plus : public binary_function<_Tp, _Tp, _Tp> {
+ _Tp operator()(const _Tp& __x, const _Tp& __y) const { return __x + __y; }
+};
+
+template <class _Tp>
+struct minus : public binary_function<_Tp, _Tp, _Tp> {
+ _Tp operator()(const _Tp& __x, const _Tp& __y) const { return __x - __y; }
+};
+
+_STLP_MOVE_TO_PRIV_NAMESPACE
+
+template <class _Tp>
+plus<_Tp> __plus(_Tp* ) { return plus<_Tp>(); }
+
+template <class _Tp>
+minus<_Tp> __minus(_Tp* ) { return minus<_Tp>(); }
+
+_STLP_MOVE_TO_STD_NAMESPACE
+
+template <class _Tp>
+struct multiplies : public binary_function<_Tp, _Tp, _Tp> {
+ _Tp operator()(const _Tp& __x, const _Tp& __y) const { return __x * __y; }
+};
+
+_STLP_MOVE_TO_PRIV_NAMESPACE
+
+template <class _Pair>
+struct _Select1st : public unary_function<_Pair, typename _Pair::first_type> {
+ const typename _Pair::first_type& operator()(const _Pair& __x) const {
+ return __x.first;
+ }
+};
+
+template <class _Pair>
+struct _Select2nd : public unary_function<_Pair, typename _Pair::second_type> {
+ const typename _Pair::second_type& operator()(const _Pair& __x) const {
+ return __x.second;
+ }
+};
+
+// project1st and project2nd are extensions: they are not part of the standard
+template <class _Arg1, class _Arg2>
+struct _Project1st : public binary_function<_Arg1, _Arg2, _Arg1> {
+ _Arg1 operator()(const _Arg1& __x, const _Arg2&) const { return __x; }
+};
+
+template <class _Arg1, class _Arg2>
+struct _Project2nd : public binary_function<_Arg1, _Arg2, _Arg2> {
+ _Arg2 operator()(const _Arg1&, const _Arg2& __y) const { return __y; }
+};
+
+#if defined (_STLP_MULTI_CONST_TEMPLATE_ARG_BUG)
+// fbp : sort of select1st just for maps
+template <class _Pair, class _Whatever>
+// JDJ (CW Pro1 doesn't like const when first_type is also const)
+struct __Select1st_hint : public unary_function<_Pair, _Whatever> {
+ const _Whatever& operator () (const _Pair& __x) const { return __x.first; }
+};
+# define _STLP_SELECT1ST(__x,__y) _STLP_PRIV __Select1st_hint< __x, __y >
+#else
+# define _STLP_SELECT1ST(__x, __y) _STLP_PRIV _Select1st< __x >
+#endif
+
+template <class _Tp>
+struct _Identity : public unary_function<_Tp,_Tp> {
+ const _Tp& operator()(const _Tp& __x) const { return __x; }
+};
+
+template <class _Result, class _Argument>
+struct _Constant_unary_fun {
+ typedef _Argument argument_type;
+ typedef _Result result_type;
+ result_type _M_val;
+
+ _Constant_unary_fun(const result_type& __v) : _M_val(__v) {}
+ const result_type& operator()(const _Argument&) const { return _M_val; }
+};
+
+template <class _Result, class _Arg1, class _Arg2>
+struct _Constant_binary_fun {
+ typedef _Arg1 first_argument_type;
+ typedef _Arg2 second_argument_type;
+ typedef _Result result_type;
+ _Result _M_val;
+
+ _Constant_binary_fun(const _Result& __v) : _M_val(__v) {}
+ const result_type& operator()(const _Arg1&, const _Arg2&) const {
+ return _M_val;
+ }
+};
+
+// identity_element (not part of the C++ standard).
+template <class _Tp> inline _Tp __identity_element(plus<_Tp>) { return _Tp(0); }
+template <class _Tp> inline _Tp __identity_element(multiplies<_Tp>) { return _Tp(1); }
+
+_STLP_MOVE_TO_STD_NAMESPACE
+
+_STLP_END_NAMESPACE
+
+#endif /* _STLP_INTERNAL_FUNCTION_BASE_H */
+
+// Local Variables:
+// mode:C++
+// End:
projects / polintos / scott / priv.git / blobdiff