CommandHistory.h

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#pragma once
 
#if EDITOR
 
#include "document.h"
 
#include <deque>
#include <string>
 
class CommandHistory
{
public:
    void Add(const std::string& cmd);
 
    const std::string* Prev();
 
    const std::string* Next();
 
    void ResetCursor() { mCursor = -1; }
 
    void SaveTo(rapidjson::Value& arr, rapidjson::Document::AllocatorType& alloc) const;
 
    void LoadFrom(const rapidjson::Value& arr);
 
private:
    std::deque<std::string> mItems;
    int mCursor = -1;
    static const size_t kMaxItems = 256;
};
 
#endif