52 lines
1.4 KiB
C++
52 lines
1.4 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 "except.hpp"
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#include <string>
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#include <vector>
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#include <iosfwd>
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namespace util::json::schema::constraint {
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struct failure {
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constraint::base const &rule;
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::json::tree::node const ⌖
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};
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class base {
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public:
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using output_container = std::vector<failure>;
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using output_iterator = std::back_insert_iterator<output_container>;
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virtual ~base () = default;
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virtual output_iterator validate (output_iterator res, ::json::tree::node &) const noexcept = 0;
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virtual std::ostream& describe (std::ostream&) const = 0;
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static std::unique_ptr<base> instantiate (std::string const &name, ::json::tree::node const&);
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};
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inline std::ostream&
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operator<< (std::ostream &os, base const &obj)
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{
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return obj.describe (os);
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}
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}
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