summaryrefslogtreecommitdiff
path: root/boost/bimap/container_adaptor/detail/comparison_adaptor.hpp
diff options
context:
space:
mode:
Diffstat (limited to 'boost/bimap/container_adaptor/detail/comparison_adaptor.hpp')
-rw-r--r--boost/bimap/container_adaptor/detail/comparison_adaptor.hpp101
1 files changed, 101 insertions, 0 deletions
diff --git a/boost/bimap/container_adaptor/detail/comparison_adaptor.hpp b/boost/bimap/container_adaptor/detail/comparison_adaptor.hpp
new file mode 100644
index 0000000000..9051a461af
--- /dev/null
+++ b/boost/bimap/container_adaptor/detail/comparison_adaptor.hpp
@@ -0,0 +1,101 @@
+// Boost.Bimap
+//
+// Copyright (c) 2006-2007 Matias Capeletto
+//
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+/// \file container_adaptor/detail/comparison_adaptor.hpp
+/// \brief Comparison adaptor.
+
+#ifndef BOOST_BIMAP_CONTAINER_ADAPTOR_DETAIL_COMPARISON_ADAPTOR_HPP
+#define BOOST_BIMAP_CONTAINER_ADAPTOR_DETAIL_COMPARISON_ADAPTOR_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER>=1200)
+#pragma once
+#endif
+
+#include <boost/config.hpp>
+
+#include <boost/call_traits.hpp>
+#include <functional>
+
+namespace boost {
+namespace bimaps {
+namespace container_adaptor {
+namespace detail {
+
+/// \brief Comparison adaptor
+/**
+
+A simple comparison adaptor.
+ **/
+
+template < class Compare, class NewType, class Converter >
+struct comparison_adaptor : std::binary_function<NewType,NewType,bool>
+{
+ comparison_adaptor( const Compare & comp, const Converter & conv)
+ : compare(comp), converter(conv) {}
+
+ bool operator()( BOOST_DEDUCED_TYPENAME call_traits<NewType>::param_type x,
+ BOOST_DEDUCED_TYPENAME call_traits<NewType>::param_type y) const
+ {
+ return compare( converter(x), converter(y) );
+ }
+
+ private:
+ Compare compare;
+ Converter converter;
+};
+
+template < class Compare, class NewType, class Converter >
+struct compatible_comparison_adaptor : std::binary_function<NewType,NewType,bool>
+{
+ compatible_comparison_adaptor( const Compare & comp, const Converter & conv)
+ : compare(comp), converter(conv) {}
+
+ template< class CompatibleTypeLeft, class CompatibleTypeRight >
+ bool operator()( const CompatibleTypeLeft & x,
+ const CompatibleTypeRight & y) const
+ {
+ return compare( converter(x), converter(y) );
+ }
+
+ private:
+ Compare compare;
+ Converter converter;
+};
+
+
+/// \brief Unary Check adaptor
+/**
+
+A simple unary check adaptor.
+ **/
+
+template < class Compare, class NewType, class Converter >
+struct unary_check_adaptor : std::unary_function<NewType,bool>
+{
+ unary_check_adaptor( const Compare & comp, const Converter & conv ) :
+ compare(comp), converter(conv) {}
+
+ bool operator()( BOOST_DEDUCED_TYPENAME call_traits<NewType>::param_type x) const
+ {
+ return compare( converter(x) );
+ }
+
+ private:
+ Compare compare;
+ Converter converter;
+};
+
+} // namespace detail
+} // namespace container_adaptor
+} // namespace bimaps
+} // namespace boost
+
+
+#endif // BOOST_BIMAP_CONTAINER_ADAPTOR_DETAIL_COMPARISON_ADAPTOR_HPP
+
+