cb95425f59
Uses json patch format for defaults: json patch (RFC 6902) makes it clearer in case of array contents. It is supported by nlohmann::json and can be applied with `patch` to fill up the json with defaults.
39 lines
733 B
C++
39 lines
733 B
C++
#pragma once
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#include <nlohmann/json.hpp>
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#include <string>
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namespace nlohmann
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{
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class JsonPatchFormatException : public std::exception
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{
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public:
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explicit JsonPatchFormatException(std::string msg)
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: ex_{std::move(msg)} {}
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inline const char *what() const noexcept override final { return ex_.c_str(); }
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private:
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std::string ex_;
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};
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class json_patch
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{
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public:
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json_patch() = default;
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json_patch(json &&patch);
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json_patch(const json &patch);
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json_patch &add(std::string path, json value);
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json_patch &replace(std::string path, json value);
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json_patch &remove(std::string path);
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operator json() const { return j_; }
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private:
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json j_;
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static void validateJsonPatch(json const &patch);
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};
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} // namespace nlohmann
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