GrayLib::cZipDir Class Reference

#include <cZipDir.h>

Inheritance diagram for GrayLib::cZipDir:

Public Member Functions
	cZipDir ()
	~cZipDir ()
bool	isValidParams () const
HRESULT	ReadHeader (cStreamInput &s)
HRESULT	WriteHeader (cStreamOutput &s)
HRESULT	SeekZipDir (cStreamInput &s)
HRESULT	ReadZipDir (cStreamInput &s)
STREAM_OFFSET_t	get_PosLH0 () const
STREAM_OFFSET_t	get_PosCH0 () const
size_t	get_SizeCHD () const
int	get_FileCount () const

Public Attributes
STREAM_OFFSET_t	m_nPosZipDir
	The absolute position of 'this' block in the .ZIP file. it can float from start. is relative to end of file. More...
WORD	m_nNumDisk
	number of the current disk, used for spanning ZIP, unsupported, always 0 More...
WORD	m_nNumDisk_CD
	number the the disk with central directory, used for spanning ZIP, unsupported, always 0 More...
WORD	m_nNumberOfEntries
	total number of entries/files in the central directory on this disk More...
WORD	m_nNumberOfEntries_CD
	total number of entries/files in the central directory More...
UINT32	m_nSizeCentralDir
	size of the entire central directory (all entries, not data). bytes More...
ZIP_SIZE_t	m_nSizeLocalDir
	size of the local directory + all compressed file data. bytes More...
cString	m_sGlobalComment
	comment Has WORD prefix for length. More...

Additional Inherited Members
Protected Types inherited from GrayLib::cZipData
enum	COMPMETHOD_TYPE {   COMPMETHOD_Store = 0 , COMPMETHOD_OLD_SHRINK , COMPMETHOD_OLD_REDUCE1 , COMPMETHOD_OLD_REDUCE2 ,   COMPMETHOD_OLD_REDUCE3 , COMPMETHOD_OLD_REDUCE4 , COMPMETHOD_OLD_IMPLODE , COMPMETHOD_OLD_TOKENIZE ,   COMPMETHOD_Deflate = 8 , COMPMETHOD_Deflate64 = 9 , COMPMETHOD_BZIP2 = 12 , COMPMETHOD_JPEG = 96 ,   COMPMETHOD_WavPack = 97 , COMPMETHOD_PPMd = 98 }
Static Protected Member Functions inherited from GrayLib::cZipData
static HRESULT GRAYCALL	ReadU16 (cStreamInput &stmIn, WORD *pX)
static HRESULT GRAYCALL	ReadU32 (cStreamInput &stmIn, UINT32 *pX)
static HRESULT	WriteU16 (cStreamOutput &s, WORD x)
static HRESULT	WriteU32 (cStreamOutput &s, UINT32 x)

Detailed Description

The main directory header end block. "Central Directory" the header block after ZIP_MAGIC_DIREND (one per .zip file) everything in a ZIP file is positioned relative to this block in the file. http://www.pkware.com/documents/casestudies/APPNOTE.TXT

Constructor & Destructor Documentation

cZipDir()

GrayLib::cZipDir::cZipDir

(

)

~cZipDir()

GrayLib::cZipDir::~cZipDir

(

)

Member Function Documentation

get_FileCount()

int GrayLib::cZipDir::get_FileCount ( ) const

inline

get_PosCH0()

STREAM_OFFSET_t GrayLib::cZipDir::get_PosCH0 ( ) const

inline

get the absolute position of the first central header. cZipFileEntry1

get_PosLH0()

STREAM_OFFSET_t GrayLib::cZipDir::get_PosLH0 ( ) const

inline

get the absolute position of the first local header. cZipFileEntry0 most times it is 0, but it can float relative to the CH directory block. ZIP_MAGIC_DIREND

get_SizeCHD()

size_t GrayLib::cZipDir::get_SizeCHD ( ) const

inline

get true size of this in "Central Header". includes magic number.

isValidParams()

bool GrayLib::cZipDir::isValidParams

(

)

const

ReadHeader()

HRESULT GrayLib::cZipDir::ReadHeader

(

cStreamInput &

s

)

ReadZipDir()

HRESULT GrayLib::cZipDir::ReadZipDir

(

cStreamInput &

s

)

SeekZipDir()

HRESULT GrayLib::cZipDir::SeekZipDir

(

cStreamInput &

s

)

WriteHeader()

HRESULT GrayLib::cZipDir::WriteHeader

(

cStreamOutput &

s

)

Member Data Documentation

m_nNumberOfEntries

WORD GrayLib::cZipDir::m_nNumberOfEntries

total number of entries/files in the central directory on this disk

m_nNumberOfEntries_CD

WORD GrayLib::cZipDir::m_nNumberOfEntries_CD

total number of entries/files in the central directory

m_nNumDisk

WORD GrayLib::cZipDir::m_nNumDisk

number of the current disk, used for spanning ZIP, unsupported, always 0

m_nNumDisk_CD

WORD GrayLib::cZipDir::m_nNumDisk_CD

number the the disk with central directory, used for spanning ZIP, unsupported, always 0

m_nPosZipDir

STREAM_OFFSET_t GrayLib::cZipDir::m_nPosZipDir

The absolute position of 'this' block in the .ZIP file. it can float from start. is relative to end of file.

m_nSizeCentralDir

UINT32 GrayLib::cZipDir::m_nSizeCentralDir

size of the entire central directory (all entries, not data). bytes

m_nSizeLocalDir

ZIP_SIZE_t GrayLib::cZipDir::m_nSizeLocalDir

size of the local directory + all compressed file data. bytes

m_sGlobalComment

cString GrayLib::cZipDir::m_sGlobalComment

comment Has WORD prefix for length.

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The documentation for this class was generated from the following file:

• c:/Dennis/Source/Gray/GrayLib/include/File/cZipDir.h