TNativeFile_Win.h

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#pragma once
#include "File/TFile.h"
 
TOSHI_NAMESPACE_START
 
class TNativeFileSystem : public TFileSystem
{
public:
    TNativeFileSystem( const TCHAR* name );
    virtual ~TNativeFileSystem();
 
    virtual TFile*   CreateFile( const TString8& a_rcFileName, TFILEMODE a_eFileMode ) OVERRIDE;
    virtual void     DestroyFile( TFile* a_pFile ) OVERRIDE;
    virtual TBOOL    RemoveFile( const TString8& a_rcFileName ) OVERRIDE;
    virtual TString8 MakeInternalPath( const TString8& a_rcPath ) OVERRIDE;
    virtual TBOOL    GetFirstFile( const TString8& a_rcPath, TString8& a_rOutFileName, TFINDFILE a_ui8Flags ) OVERRIDE;
    virtual TBOOL    GetNextFile( TString8& a_rOutFileName, TFINDFILE a_ui8Flags ) OVERRIDE;
 
    virtual TBOOL MakeDirectory( const TString8& a_rcDirectory );
};
 
class TNativeFile : public TFile
{
public:
    static constexpr TUINT32 BUFFER_SIZE = 0x800;
 
public:
    TNativeFile( TNativeFileSystem* a_pFileSystem );
    TNativeFile( const TNativeFile& other );
    ~TNativeFile();
 
    //-----------------------------------------------------------------------------
    // TFile
    //-----------------------------------------------------------------------------
    virtual TSIZE   Read( void* a_pDst, TSIZE a_uiSize ) OVERRIDE;
    virtual TSIZE   Write( const void* a_pSrc, TSIZE a_uiSize ) OVERRIDE;
    virtual TBOOL   Seek( TINT a_iOffset, TSEEK a_eOrigin = TSEEK_CUR ) OVERRIDE;
    virtual TSIZE   Tell() OVERRIDE;
    virtual void    FlushBuffers() OVERRIDE;
    virtual TSIZE   GetSize() OVERRIDE;
    virtual TUINT64 GetDate() OVERRIDE;
    virtual TCHAR   GetCChar() OVERRIDE;
    virtual TWCHAR  GetWChar() OVERRIDE;
    virtual TINT    PutCChar( TCHAR a_cCharacter ) OVERRIDE;
    virtual TINT    PutWChar( TWCHAR a_wcCharacter ) OVERRIDE;
    virtual TINT    CPrintf( const TCHAR* a_szFormat, ... ) OVERRIDE;
    virtual TINT    WPrintf( const TWCHAR* a_wszFormat, ... ) OVERRIDE;
 
    TBOOL Open( const TString8& a_FileName, TFILEMODE a_Mode );
 
    void Close();
 
private:
    TBOOL LoadBuffer( TUINT32 bufferPos );
    TINT  FlushWriteBuffer();
    TINT  ReadUnbuffered( void* dst, TUINT size );
 
protected:
    void*   m_Handle;          // 0x8
    TUINT32 m_Position;        // 0xC
    TUINT32 m_RBufferPosition; // 0x10
    TUINT32 m_PrevBufferPos;   // 0x14
    TUINT32 m_LastBufferSize;  // 0x18
    TCHAR*  m_RBuffer;         // 0x1C (read buffer)
    TCHAR*  m_WBuffer;         // 0x20 (write buffer)
    TUINT32 m_WriteBufferUsed; // 0x24
    TBOOL   m_WriteBuffered;   // 0x28
};
 
TOSHI_NAMESPACE_END