164 lines
6.7 KiB
Plaintext
164 lines
6.7 KiB
Plaintext
//////////////////////////////////////////////////////////////////////////////
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//
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// (C) Copyright Ion Gaztanaga 2015-2015. Distributed under the Boost
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// Software License, Version 1.0. (See accompanying file
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// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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// See http://www.boost.org/libs/container for documentation.
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//
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//////////////////////////////////////////////////////////////////////////////
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#ifndef BOOST_INTRUSIVE_DETAIL_TREE_VALUE_COMPARE_HPP
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#define BOOST_INTRUSIVE_DETAIL_TREE_VALUE_COMPARE_HPP
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#ifndef BOOST_CONFIG_HPP
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# include <boost/config.hpp>
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#endif
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#if defined(BOOST_HAS_PRAGMA_ONCE)
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# pragma once
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#endif
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#include <boost/intrusive/detail/workaround.hpp>
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#include <boost/intrusive/detail/mpl.hpp>
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#include <boost/intrusive/detail/ebo_functor_holder.hpp>
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#include <boost/intrusive/pointer_traits.hpp>
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namespace boost{
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namespace intrusive{
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//Needed to support smart references to value types
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template <class From, class ValuePtr>
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struct disable_if_smartref_to
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: detail::disable_if_c
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< detail::is_same
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<From, typename pointer_traits
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<ValuePtr>
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::reference>::value
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|| detail::is_same
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<From, typename pointer_traits
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< typename pointer_rebind
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<ValuePtr, const typename pointer_element<ValuePtr>::type>::type>
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::reference>::value
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>
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{};
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//This function object takes a KeyCompare function object
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//and compares values that contains keys using KeyOfValue
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template< class ValuePtr, class KeyCompare, class KeyOfValue
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, bool = boost::intrusive::detail::is_same<typename pointer_element<ValuePtr>::type, typename KeyOfValue::type>::value >
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struct tree_value_compare
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: public boost::intrusive::detail::ebo_functor_holder<KeyCompare>
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{
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typedef typename pointer_element<ValuePtr>::type value_type;
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typedef KeyCompare key_compare;
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typedef KeyOfValue key_of_value;
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typedef typename KeyOfValue::type key_type;
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typedef boost::intrusive::detail::ebo_functor_holder<KeyCompare> base_t;
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BOOST_INTRUSIVE_FORCEINLINE tree_value_compare()
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: base_t()
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{}
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BOOST_INTRUSIVE_FORCEINLINE explicit tree_value_compare(const key_compare &kcomp)
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: base_t(kcomp)
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{}
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BOOST_INTRUSIVE_FORCEINLINE tree_value_compare (const tree_value_compare &x)
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: base_t(x.base_t::get())
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{}
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BOOST_INTRUSIVE_FORCEINLINE tree_value_compare &operator=(const tree_value_compare &x)
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{ this->base_t::get() = x.base_t::get(); return *this; }
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BOOST_INTRUSIVE_FORCEINLINE tree_value_compare &operator=(const key_compare &x)
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{ this->base_t::get() = x; return *this; }
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BOOST_INTRUSIVE_FORCEINLINE const key_compare &key_comp() const
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{ return static_cast<const key_compare &>(*this); }
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BOOST_INTRUSIVE_FORCEINLINE bool operator()(const key_type &key1, const key_type &key2) const
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{ return this->key_comp()(key1, key2); }
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BOOST_INTRUSIVE_FORCEINLINE bool operator()(const value_type &value1, const value_type &value2) const
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{ return this->key_comp()(KeyOfValue()(value1), KeyOfValue()(value2)); }
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BOOST_INTRUSIVE_FORCEINLINE bool operator()(const key_type &key1, const value_type &value2) const
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{ return this->key_comp()(key1, KeyOfValue()(value2)); }
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BOOST_INTRUSIVE_FORCEINLINE bool operator()(const value_type &value1, const key_type &key2) const
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{ return this->key_comp()(KeyOfValue()(value1), key2); }
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template<class U>
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BOOST_INTRUSIVE_FORCEINLINE bool operator()( const key_type &key1, const U &nonkey2
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, typename disable_if_smartref_to<U, ValuePtr>::type* = 0) const
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{ return this->key_comp()(key1, nonkey2); }
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template<class U>
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BOOST_INTRUSIVE_FORCEINLINE bool operator()( const U &nonkey1, const key_type &key2
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, typename disable_if_smartref_to<U, ValuePtr>::type* = 0) const
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{ return this->key_comp()(nonkey1, key2); }
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template<class U>
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BOOST_INTRUSIVE_FORCEINLINE bool operator()( const value_type &value1, const U &nonvalue2
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, typename disable_if_smartref_to<U, ValuePtr>::type* = 0) const
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{ return this->key_comp()(KeyOfValue()(value1), nonvalue2); }
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template<class U>
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BOOST_INTRUSIVE_FORCEINLINE bool operator()( const U &nonvalue1, const value_type &value2
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, typename disable_if_smartref_to<U, ValuePtr>::type* = 0) const
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{ return this->key_comp()(nonvalue1, KeyOfValue()(value2)); }
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};
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template<class ValuePtr, class KeyCompare, class KeyOfValue>
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struct tree_value_compare<ValuePtr, KeyCompare, KeyOfValue, true>
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: public boost::intrusive::detail::ebo_functor_holder<KeyCompare>
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{
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typedef typename pointer_element<ValuePtr>::type value_type;
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typedef KeyCompare key_compare;
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typedef KeyOfValue key_of_value;
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typedef typename KeyOfValue::type key_type;
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typedef boost::intrusive::detail::ebo_functor_holder<KeyCompare> base_t;
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BOOST_INTRUSIVE_FORCEINLINE tree_value_compare()
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: base_t()
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{}
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BOOST_INTRUSIVE_FORCEINLINE explicit tree_value_compare(const key_compare &kcomp)
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: base_t(kcomp)
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{}
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BOOST_INTRUSIVE_FORCEINLINE tree_value_compare (const tree_value_compare &x)
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: base_t(x.base_t::get())
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{}
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BOOST_INTRUSIVE_FORCEINLINE tree_value_compare &operator=(const tree_value_compare &x)
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{ this->base_t::get() = x.base_t::get(); return *this; }
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BOOST_INTRUSIVE_FORCEINLINE tree_value_compare &operator=(const key_compare &x)
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{ this->base_t::get() = x; return *this; }
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BOOST_INTRUSIVE_FORCEINLINE const key_compare &key_comp() const
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{ return static_cast<const key_compare &>(*this); }
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BOOST_INTRUSIVE_FORCEINLINE bool operator()(const key_type &key1, const key_type &key2) const
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{ return this->key_comp()(key1, key2); }
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template<class U>
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BOOST_INTRUSIVE_FORCEINLINE bool operator()( const key_type &key1, const U &nonkey2
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, typename disable_if_smartref_to<U, ValuePtr>::type* = 0) const
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{ return this->key_comp()(key1, nonkey2); }
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template<class U>
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BOOST_INTRUSIVE_FORCEINLINE bool operator()(const U &nonkey1, const key_type &key2
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, typename disable_if_smartref_to<U, ValuePtr>::type* = 0) const
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{ return this->key_comp()(nonkey1, key2); }
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};
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} //namespace intrusive{
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} //namespace boost{
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#endif //#ifdef BOOST_INTRUSIVE_DETAIL_TREE_VALUE_COMPARE_HPP
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