RageFileDriverMemory.h

/* RageFileDriverMemory: Simple memory-based "filesystem". */
 
#ifndef RAGE_FILE_DRIVER_MEMORY_H
#define RAGE_FILE_DRIVER_MEMORY_H
 
#include "RageFileBasic.h"
#include "RageFileDriver.h"
#include "RageUtil/Misc/RageThreads.h"
 
struct RageFileObjMemFile;
 
class RageFileObjMem : public RageFileObj
{
  public:
    RageFileObjMem(RageFileObjMemFile* pFile = NULL);
    RageFileObjMem(const RageFileObjMem& cpy);
    ~RageFileObjMem() override;
 
    int ReadInternal(void* buffer, size_t bytes) override;
    int WriteInternal(const void* buffer, size_t bytes) override;
    int SeekInternal(int offset) override;
    int GetFileSize() const override;
    RageFileObjMem* Copy() const override;
 
    /* Retrieve the contents of this file. */
    const std::string& GetString() const;
    void PutString(const std::string& sBuf);
 
  private:
    RageFileObjMemFile* m_pFile;
    int m_iFilePos;
};
 
class RageFileDriverMem : public RageFileDriver
{
  public:
    RageFileDriverMem();
    ~RageFileDriverMem() override;
 
    RageFileBasic* Open(const std::string& sPath, int mode, int& err) override;
    void FlushDirCache(const std::string& /* sPath */) override {}
 
    bool Remove(const std::string& sPath) override;
 
  private:
    RageMutex m_Mutex;
    std::vector<RageFileObjMemFile*> m_Files;
};
 
#endif