50 lines
1.5 KiB
C++
50 lines
1.5 KiB
C++
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/*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* Copyright 2018 Danny Robson <danny@nerdcruft.net>
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*/
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#pragma once
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#include "base.hpp"
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#include "../tree.hpp"
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#include <functional>
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#include <variant>
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///////////////////////////////////////////////////////////////////////////////
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namespace util::json::schema::constraint {
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template <template <typename> class ComparatorT>
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class inequality final : public base {
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public:
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inequality (::json::tree::node const&);
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virtual ~inequality () = default;
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output_iterator validate (output_iterator, ::json::tree::node &target) const noexcept override;
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std::ostream& describe (std::ostream&) const override;
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private:
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using uint_t = ::json::tree::number::uint_t;
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using sint_t = ::json::tree::number::sint_t;
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using real_t = ::json::tree::number::real_t;
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std::variant<uint_t,sint_t,real_t> m_value;
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};
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using minimum = inequality<std::greater_equal>;
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using maximum = inequality<std::less_equal>;
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}
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