112 lines
2.0 KiB
C++
112 lines
2.0 KiB
C++
#pragma once
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#include "../Depend/json.hpp"
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class CJson
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{
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private:
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std::string file_path;
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public:
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nlohmann::json data;
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/*
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Returns a value from json structure hierarchy using '.'
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Example: "Menu.Window.X"
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*/
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// specialize since typeid(std::string) doesn't work
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template <typename T>
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T GetValue(std::string&& key, T&& default_val)
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{
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try {
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std::stringstream ss(key);
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std::string line;
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nlohmann::json* json = &data;
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while (getline(ss, line, '.'))
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json = &((*json)[line]);
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// json library bugs with bool, using int instead
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if (typeid(T) == typeid(bool))
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{
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return ((json->get<int>() == 1) ? true : false);
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}
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else
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return json->get<T>();
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}
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catch (...) {
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return default_val;
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}
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}
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template<>
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std::string GetValue(std::string&& key, std::string&& default_val)
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{
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try {
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std::stringstream ss(key);
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std::string line;
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nlohmann::json* json = &data;
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while (getline(ss, line, '.'))
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json = &((*json)[line]);
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return json->get<std::string>();
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}
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catch (...) {
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return default_val;
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}
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}
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/*
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Allows to save values in json hierarchy using '.'
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Example: "Menu.Window.X"
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*/
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template <typename T>
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void SetValue(std::string&& key, T& val)
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{
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std::stringstream ss(key);
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std::string line;
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nlohmann::json* json = &data;
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while (getline(ss, line, '.'))
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json = &((*json)[line]);
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// json library bugs with bool, using int instead
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if (typeid(T) == typeid(bool))
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*json = (val ? 1 : 0);
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else
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*json = val;
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}
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template<>
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void SetValue(std::string&& key, std::string& val)
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{
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std::stringstream ss(key);
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std::string line;
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nlohmann::json* json = &data;
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while (getline(ss, line, '.'))
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json = &((*json)[line]);
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*json = val;
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}
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/*
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Loads the section names into a category vector.
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Used to create drop down category menus
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*/
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void LoadData(std::vector<std::string>& vec, std::string& selected);
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/*
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Saves json data to disk
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*/
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void WriteToDisk();
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CJson(const char* text = "");
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};
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