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- /************************************************************************************
- * *
- * Copyright (c) 2014 - 2018 Axel Menzel <info@rttr.org> *
- * *
- * This file is part of RTTR (Run Time Type Reflection) *
- * License: MIT License *
- * *
- * Permission is hereby granted, free of charge, to any person obtaining *
- * a copy of this software and associated documentation files (the "Software"), *
- * to deal in the Software without restriction, including without limitation *
- * the rights to use, copy, modify, merge, publish, distribute, sublicense, *
- * and/or sell copies of the Software, and to permit persons to whom the *
- * Software is furnished to do so, subject to the following conditions: *
- * *
- * The above copyright notice and this permission notice shall be included in *
- * all copies or substantial portions of the Software. *
- * *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR *
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, *
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE *
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER *
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, *
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE *
- * SOFTWARE. *
- * *
- *************************************************************************************/
- #ifndef RTTR_COMPARE_LESS_H_
- #define RTTR_COMPARE_LESS_H_
- #include "rttr/detail/base/core_prerequisites.h"
- #include "rttr/detail/misc/misc_type_traits.h"
- #include "rttr/detail/comparison/comparable_types.h"
- #include "rttr/detail/misc/template_type_trait.h"
- #include <type_traits>
- namespace rttr
- {
- class type;
- namespace detail
- {
- /////////////////////////////////////////////////////////////////////////////////////////
- RTTR_API bool compare_types_less_than(const void* lhs, const void* rhs, const type& t, int& result);
- template<typename T>
- using has_less_than_operator_impl = std::integral_constant<bool, has_less_than_operator<T>::value && !std::is_array<T>::value &&
- !is_template_instance<T>::value>;
- template<typename T>
- using is_less_than_comparable = std::integral_constant<bool, has_less_than_operator_impl<T>::value ||
- is_comparable_type<T>::value>;
- /////////////////////////////////////////////////////////////////////////////////////////
- template<typename T>
- RTTR_INLINE typename std::enable_if<is_less_than_comparable<T>::value && !std::is_array<T>::value, bool>::type
- compare_less_than(const T& lhs, const T& rhs, int& result);
- /////////////////////////////////////////////////////////////////////////////////////////
- template<typename T>
- RTTR_INLINE typename std::enable_if<!is_less_than_comparable<T>::value && !std::is_array<T>::value, bool>::type
- compare_less_than(const T& lhs, const T& rhs, int& result);
- /////////////////////////////////////////////////////////////////////////////////////////
- template<typename T>
- RTTR_INLINE typename std::enable_if<!is_less_than_comparable<T>::value && std::is_array<T>::value, bool>::type
- compare_less_than(const T& lhs, const T& rhs, int& result);
- /////////////////////////////////////////////////////////////////////////////////////////
- } // end namespace detail
- } // end namespace rttr
- #include "rttr/detail/comparison/compare_less_impl.h"
- // the include in this place is necessary, otherwise we get an error during compilation:
- // "'compare_equal': identifier not found"
- #include "rttr/detail/misc/template_type_trait_impl.h"
- #endif // RTTR_COMPARE_LESS_H_
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