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STLPORT/stlport/stl/_ctraits_fns.h

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+/*
+ * Copyright (c) 1999
+ * 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.
+ */ 
+
+// WARNING: This is an internal header file, included by other C++
+// standard library headers.  You should not attempt to use this header
+// file directly.
+
+#ifndef _STLP_INTERNAL_CTRAITS_FUNCTIONS_H
+#define _STLP_INTERNAL_CTRAITS_FUNCTIONS_H
+
+# ifndef _STLP_INTERNAL_FUNCTION_H 
+#  include <stl/_function_base.h>
+# endif
+
+// This file contains a few small adapters that allow a character
+// traits class to be used as a function object.
+
+_STLP_BEGIN_NAMESPACE
+
+template <class _Traits>
+struct _Eq_traits
+  : public binary_function<typename _Traits::char_type,
+                           typename _Traits::char_type,
+                           bool>
+{
+  bool operator()(const typename _Traits::char_type& __x,
+                  const typename _Traits::char_type& __y) const
+    { return _Traits::eq(__x, __y); }
+};
+
+template <class _Traits>
+struct _Eq_char_bound
+  : public unary_function<typename _Traits::char_type, bool>
+{
+  typename _Traits::char_type __val;
+  _Eq_char_bound(typename _Traits::char_type __c) : __val(__c) {}
+  bool operator()(const typename _Traits::char_type& __x) const
+    { return _Traits::eq(__x, __val); }
+};
+
+template <class _Traits>
+struct _Neq_char_bound
+  : public unary_function<typename _Traits::char_type, bool>
+{
+  typename _Traits::char_type __val;
+  _Neq_char_bound(typename _Traits::char_type __c) : __val(__c) {}
+  bool operator()(const typename _Traits::char_type& __x) const
+    { return !_Traits::eq(__x, __val); }
+};
+
+template <class _Traits>
+struct _Eq_int_bound
+  : public unary_function<typename _Traits::char_type, bool>
+{
+  typename _Traits::int_type __val;
+
+  _Eq_int_bound(typename _Traits::int_type __c) : __val(__c) {}
+  bool operator()(const typename _Traits::char_type& __x) const
+    { return _Traits::eq_int_type(_Traits::to_int_type(__x), __val); }
+};
+
+# if 0
+template <class _Traits>
+struct _Lt_traits
+  : public binary_function<typename _Traits::char_type,
+                           typename _Traits::char_type,
+                           bool>
+{
+  bool operator()(const typename _Traits::char_type& __x,
+                  const typename _Traits::char_type& __y) const
+    { return _Traits::lt(__x, __y); }
+};
+# endif
+
+_STLP_END_NAMESPACE
+
+#endif /* _STLP_INTERNAL_CTRAITS_FUNCTIONS_H */
+
+// Local Variables:
+// mode:C++
+// End:
+
+
+
+