79535fe0b6
A recent fix to discard patch from invalid logical combination introduced a lot (for large json instance and/or schema) of copies to make a patch backup. On some case, this introduced up to a 100x slower validation time. Resizing the patch object to its previous size avoid unnecessary temporary allocations from the backup object.
42 lines
868 B
C++
42 lines
868 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(const json::json_pointer &, json value);
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json_patch &replace(const json::json_pointer &, json value);
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json_patch &remove(const json::json_pointer &);
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json &get_json() { return j_; }
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const json &get_json() const { return j_; }
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operator json() const { return j_; }
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private:
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json j_ = nlohmann::json::array();
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static void validateJsonPatch(json const &patch);
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};
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} // namespace nlohmann
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