vtUnzip.h

//
// Unzip.h
//
// Copyright (c) 2006 Virtual Terrain Project
// Free for all uses, see license.txt for details.
//

#ifndef UNZIP_H
#define UNZIP_H

#include <stdio.h>
#include "unzip/unzip.h"    // Lower-level 'unzip' library

class vtUnzip
{
public:
    // Construction
    vtUnzip();

    // Operations
    bool Open(const char *lpszFilePath, zlib_filefunc_def *p = NULL);
    bool IsOpen(void) const;

    bool GetGlobalInfo(unz_global_info *) const;
    int GetGlobalCount(void) const;
    bool GetGlobalComment(char *szComment, uLong uSizeBuf) const;

    bool GoToFirstFile(void);
    bool GoToNextFile(void);
    bool GetCurrentFileInfo(unz_file_info *pfile_info,
        char *szFileName = NULL,
        uLong fileNameBufferSize = 0,
        void *extraField = NULL,
        uLong extraFieldBufferSize = 0,
        char *szComment = NULL,
        uLong commentBufferSize = 0) const;

    bool OpenCurrentFile(const char *password = NULL);
    int ReadCurrentFile(voidp buf, size_t len);
    bool ExtractCurrentFile(FILE *file, void *buf, size_t buf_size);
    bool CloseCurrentFile();

    bool ExtractAccept(const char *write_filename, bool bOverwrite);
    int Extract(bool bFullPath, bool bOverwrite, const char *lpszDst,
        bool progress_callback(int) = NULL);

    bool    Attach(unzFile);
    unzFile Detach(void);

    operator unzFile(void);

    static bool change_file_date(const char *filename,uLong dosdate,tm_unz tmu_date);

public:
    // Implementation
    virtual ~vtUnzip();
    virtual void Close();
    int  m_error_count;
    virtual void OnError(const char *lpszFilePath) {}

public:
    // Attributes
    unzFile m_handle;
};

#endif // UNZIP_H