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#pragma once
#include <string>
#include <vector>
/** @brief cache storage manager */
class CacheManager {
private:
/** @brief currently opened cache location */
std::string cache_path;
/** @brief pointers to open file handles */
std::vector<std::fstream*> files;
/** @brief add cache path before filename */
virtual std::string prefix_cache_path(const char* filename);
public:
/** @brief initialize CacheManager class at `cache_path` */
CacheManager(const char* cache_path);
CacheManager(std::string cache_path);
/** @brief close cache */
virtual ~CacheManager();
/** @brief create cache folder structure */
virtual void init_cache();
/** @brief update cache date */
virtual void update_cache();
/**
* @brief check cache file structure
*
* automatically creates cache when non-existant
*/
virtual void verify_cache();
/** @brief get fstream for file in cache or create file */
virtual std::fstream* cache_get(const char* filename);
virtual std::fstream* cache_get(std::string filename);
/** @brief check if file exists in cache */
virtual bool cache_exists(const char* filename);
virtual bool cache_exists(std::string filename);
/** @brief currently opened cache update unix timestamp */
uint64_t age;
};
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