www.pudn.com > Zlib_com.zip > CentralDir.h

// CentralDir.h: interface for the CCentralDir class. 
// 
//////////////////////////////////////////////////////////////////////////////// 
//  Copyright (C) 2000 Tadeusz Dracz. 
//  For conditions of distribution and use, see copyright notice in ZipArchive.h 
//////////////////////////////////////////////////////////////////////////////// 
 
#if !defined(AFX_CENTRALDIR_H__859029E8_8927_4717_9D4B_E26E5DA12BAE__INCLUDED_) 
#define AFX_CENTRALDIR_H__859029E8_8927_4717_9D4B_E26E5DA12BAE__INCLUDED_ 
 
#if _MSC_VER > 1000 
#pragma once 
#endif // _MSC_VER > 1000 
#include "ZipException.h" 
#include  
#include "FileHeader.h" 
#include "AutoBuffer.h" 
 
class CCentralDir   
{ 
 
public: 
//		end of central dir signature    4 bytes  (0x06054b50) 
	char m_szSignature[4]; 
//		number of this disk             2 bytes 
	WORD m_uThisDisk; 
//		number of the disk with the 
//		start of the central directory  2 bytes 
	WORD m_uDiskWithCD; 
//		total number of entries in 
//		the central dir on this disk    2 bytes 
	WORD m_uDiskEntriesNo; 
//		total number of entries in 
//		the central dir                 2 bytes 
	WORD m_uEntriesNumber; 
//		size of the central directory   4 bytes 
	DWORD m_uSize; 
//		offset of start of central 
//		directory with respect to 
//		the starting disk number        4 bytes 
	DWORD m_uOffset; 
//		zipfile comment length          2 bytes 
	WORD m_uCommentSize; 
//		zipfile comment (variable size) 
	CString m_szComment; 
 
	CFileHeader* m_pOpenedFile; 
	void RemoveFile(WORD uIndex); 
	void Clear(); 
	CZipStorage* m_pStorage; 
	DWORD m_uCentrDirPos; 
	DWORD m_uBytesBeforeZip; 
	CCentralDir(); 
	virtual ~CCentralDir(); 
	void CloseFile(); 
	void OpenFile(WORD uIndex); 
	bool IsValidIndex(WORD uIndex); 
	void Read(); 
	void Init(); 
	void CloseNewFile(); 
	void Write(); 
	int m_iBufferSize; 
	bool m_bOnDisk; 
	static char m_gszSignature[]; 
	CTypedPtrArray m_headers; 
	CAutoBuffer m_pLocalExtraField; 
	void AddNewFile(CFileHeader & header); 
	void RemoveFromDisk(); 
	DWORD GetSize(bool bWhole = false); 
protected: 
	bool RemoveDataDescr(bool bFromBuffer); 
	DWORD WriteCentralEnd(); 
	void WriteHeaders(); 
	bool m_bCurrDataDescrPresent; 
	void ReadHeaders(); 
	void ThrowError(int err); 
	DWORD Locate();	 
}; 
 
#endif // !defined(AFX_CENTRALDIR_H__859029E8_8927_4717_9D4B_E26E5DA12BAE__INCLUDED_)