update

src/slic3r/Utils/json_diff.hpp

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+#ifndef __JSON_DIFF_HPP
+#define __JSON_DIFF_HPP
+
+#include <string>
+#include <atomic>
+#include <vector>
+
+#include "nlohmann/json.hpp"
+
+
+using json = nlohmann::json;
+using namespace std;
+
+class json_diff
+{
+private:
+    std::string printer_type;
+    std::string printer_version = "00.00.00.00";
+    json settings_base;
+    json full_message;
+
+    json diff2all_base;
+    json all2diff_base;
+    int  decode_error_count = 0;
+
+    int  diff_objects(json const &in, json &out, json const &base);
+    int  restore_objects(json const &in, json &out, json const &base);
+    int  restore_append_objects(json const &in, json &out);
+    void merge_objects(json const &in, json &out);
+
+public:
+    bool load_compatible_settings(std::string const &type, std::string const &version);
+    int all2diff(json const &in, json &out);
+    int  diff2all(json const &in, json &out);
+    int  all2diff_base_reset(json const &base);
+    int  diff2all_base_reset(json &base);
+    void compare_print(json &a, json &b);
+
+    bool is_need_request();
+};
+#endif // __JSON_DIFF_HPP