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// ZipFileHeader.h: interface for the CZipFileHeader class.
//
////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2000 Tadeusz Dracz.
// For conditions of distribution and use, see copyright notice in ZipArchive.h
////////////////////////////////////////////////////////////////////////////////
#if !defined(AFX_ZipFileHeader_H__0081FC65_C9C9_4D48_AF72_DBF37DF5E0CF__INCLUDED_)
#define AFX_ZipFileHeader_H__0081FC65_C9C9_4D48_AF72_DBF37DF5E0CF__INCLUDED_
#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000
#include "ZipException.h"
#include "ZipStorage.h"
#include "ZipAutoBuffer.h"
class CZipFileHeader
{
public:
// convert characters in the filename from oem to ansi or vice-versa
void AnsiOem(bool bAnsiToOem);
// change slash to backslash or vice-versa
void SlashChange(bool bWindowsStyle);
// return the filename size in characters (without NULL);
WORD GetFileNameSize(){return (WORD)m_pszFileName.GetSize();}
// return the comment size in characters (without NULL);
WORD GetCommentSize(){return (WORD)m_pszComment.GetSize();}
// return the extra field size in characters (without NULL);
WORD GetExtraFieldSize(){return (WORD)m_pExtraField.GetSize();}
CString GetFileName();
// return true if confersion from unicode to single byte was successful
bool SetFileName(LPCTSTR lpszFileName);
CString GetComment();
// return true if confersion from unicode to single byte was successful
bool SetComment(LPCTSTR lpszComment);
// return true if the data descriptor is present
bool IsDataDescr();
// return true if the file is encrypted
bool IsEncrypted();
// central file header signature 4 bytes (0x02014b50)
char m_szSignature[4];
// version made by 2 bytes
WORD m_uVersionMadeBy;
// version needed to extract 2 bytes
WORD m_uVersionNeeded;
// general purpose bit flag 2 bytes
WORD m_uFlag;
// compression method 2 bytes
WORD m_uMethod;
// last mod file time 2 bytes
WORD m_uModTime;
// last mod file date 2 bytes
WORD m_uModDate;
// crc-32 4 bytes
DWORD m_uCrc32;
// compressed size 4 bytes
DWORD m_uComprSize;
// uncompressed size 4 bytes
DWORD m_uUncomprSize;
// filename length 2 bytes
// WORD m_uFileNameSize;
// extra field length 2 bytes
// WORD m_uExtraFieldSize;
// file comment length 2 bytes
// WORD m_uCommentSize;
// disk number start 2 bytes
WORD m_uDiskStart;
// internal file attributes 2 bytes
WORD m_uInternalAttr;
// external file attributes 4 bytes
DWORD m_uExternalAttr;
// relative offset of local header 4 bytes
DWORD m_uOffset;
// extra field (variable size)
CZipAutoBuffer m_pExtraField;
CZipFileHeader();
virtual ~CZipFileHeader();
CTime GetTime();
void SetTime(const CTime& time);
static char m_gszSignature[];
static char m_gszLocalSignature[];
// return the total size of the structure as stored in the central directory
DWORD GetSize();
protected:
// filename (variable size)
CZipAutoBuffer m_pszFileName;
// file comment (variable size)
CZipAutoBuffer m_pszComment;
void GetCrcAndSizes(char * pBuffer);
bool PrepareData(int iLevel, bool bExtraHeader, bool bEncrypted);
void WriteLocal(CZipStorage& storage);
bool CheckCrcAndSizes(char* pBuf);
friend class CZipCentralDir;
friend class CZipArchive;
bool Read(CZipStorage *pStorage);
bool ReadLocal(CZipStorage *pStorage, WORD& iLocExtrFieldSize);
DWORD Write(CZipStorage *pStorage);
};
#endif // !defined(AFX_ZipFileHeader_H__0081FC65_C9C9_4D48_AF72_DBF37DF5E0CF__INCLUDED_)
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