levelapipp/RobTopStringContainer.hpp at master · SergeyMC9730/levelapipp · GitHub

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/**
 *  LevelAPI - Geometry Dash level cacher with search functionality and more.
    Copyright (C) 2023  Sergei Baigerov

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <https://www.gnu.org/licenses/>.
*/

#pragma once

#include <unordered_map>
#include <string>
#include <functional>
#include <variant>
#include <vector>

#define GKSTRING 0
#define GKINT 1
#define GKBOOL 2
#define GKBASE64 3
#define GKFLOAT 4
#define GKVINT 5

#define GET_KEY_GKSTRING(container, keyN, member) \
    if (container->variableExists(keyN)) member = container->getVariable<std::string>(keyN);
#define GET_KEY_GKINT(container, keyN, member) \
    if (container->variableExists(keyN)) member = container->getVariable<int>(keyN);
#define GET_KEY_GKBOOL(container, keyN, member) \
    if (container->variableExists(keyN)) member = container->getVariable<bool>(keyN);
#define GET_KEY_GKFLOAT(container, keyN, member) \
    if (container->variableExists(keyN)) member = container->getVariable<float>(keyN);
#define GET_KEY_GKVINT(container, keyN, member) \
    if (container->variableExists(keyN)) member = container->getVariable<std::vector<int>>(keyN);
#define GET_KEY_GKBASE64(container, keyN, member) GET_KEY_GKSTRING(container, keyN, member);
#define GET_KEY(container, keyN, member, vType) GET_KEY_##vType(container, keyN, member)

class RobTopStringContainer {
protected:
    std::string m_sOriginalString;

    using ParsableTypes = std::variant<std::string, int, float, bool, std::vector<int>>;

    using ParseFunc = std::function<ParsableTypes(const std::string &inputString, int inputID, RobTopStringContainer* container)>;
    using ParseFuncCustom = std::function<ParsableTypes(const std::string &inputString, int inputID, int custom_variable, RobTopStringContainer* container)>;

    std::unordered_map<
        int, ParsableTypes
    > m_mContainer;
    std::unordered_map<int, std::variant<
        ParseFunc,
        ParseFuncCustom
    >> m_mFunctionContainer;
    std::unordered_map<int, int> m_mFuncCustomArgList;

    virtual std::string variantToString(ParsableTypes var);

    char m_sObjectSeparator = ':';
    char m_sArrayEntrySeparator = ',';
public:
    // virtual std::variant<std::string, int, float, bool> getVariable(int id);
    template<typename T = int>
    // if variable does not exist then empty
    // constuctor   for  T  would  be   used
    inline T getVariable(int id) const {
        if (!variableExists(id) || !std::holds_alternative<T>(m_mContainer.at(id))) return T{};
        try {
            return std::get<T>(m_mContainer.at(id));
        } catch (const std::bad_variant_access &ex) {
            printf("%s:%s (id=%d): %s\n", __FILE__, __LINE__, id, ex.what());
            return T{};
        }
    }

    virtual void setParserForVariable(int index, ParseFunc func);
    virtual void setParserForVariable(const std::vector<int> &indexes, ParseFunc func);
    virtual void setParserForVariable(int index, ParseFuncCustom func, int carg);
    virtual void setParserForVariable(const std::vector<int> &indexes, ParseFuncCustom func, int carg);

    virtual void parse();

    virtual bool variableExists(int id) const;

    virtual void setString(std::string str);
    virtual void setObjectSeparator(char sep);
    virtual void setArrayEntrySeparator(char sep);

    virtual char getObjectSeparator() const;
    virtual char getArrayEntrySeparator() const;

    virtual void resetValues();

    RobTopStringContainer(std::string str);
    RobTopStringContainer();
};