zsttar.h

[詳解]

/*==========================================================================*/
/* Lhaz .tar.zstインタフェース                           chitora@chitora.jp */
/*==========================================================================*/
#pragma once
 
#include "../tgz/tar.h"
#include "mybuf.h"
#include "zstd.h"
 
class MYSTR;
class MYFILE;
 
class ZSTTAR : public CTAR {
 
public:
    // 解凍用コンストラクタ
    ZSTTAR(const MYSTR& name);
    // 圧縮用コンストラクタ
    ZSTTAR(const MYSTR& name, int method);
    ‾ZSTTAR(void);
    uint64_t            Get_total_in(void) const;
 
private:
    size_t              TarRead(void *buf, size_t size, unsigned long* crc);
    int                 TarSeek(fpos_t offset, int origin);
    size_t              TarWrite(const void* buf, size_t size, bool eof);
    //
    MYFILE*             m_file;
    ZSTD_DCtx*          m_dctx;
    size_t              m_buffInSize;
    MYBUF               m_buffIn;
    ZSTD_inBuffer       m_input;
    size_t              m_totalIn;
 
    ZSTD_CCtx*          m_cctx;
 
};