#include <ZipExtraField.h>

Public Member Functions
int	Add (CZipExtraData *pExtra)

CZipExtraData *	CreateNew (WORD headerID, bool bAppend=true)

CZipExtraData *	CreateNew (WORD headerID, int &idx, bool bAppend=true)

	CZipExtraField (const CZipExtraField &arr)

CZipExtraData *	GetAt (int index) const

int	GetCount () const

int	GetTotalSize () const

bool	HasHeader (WORD headerID)

CZipExtraData *	Lookup (WORD headerID) const

CZipExtraData *	Lookup (WORD headerID, int &index) const

CZipExtraField &	operator= (const CZipExtraField &field)

void	Remove (WORD headerID)

void	RemoveAt (int index)

void	RemoveInternalHeaders ()

void	RemoveInternalLocalHeaders ()

bool	Validate () const

Static Public Member Functions
static bool	HasSize (WORD headerID)

Static Public Attributes
static CZipArray< WORD >	m_aNoSizeExtraHeadersID

Protected Member Functions
void	Clear ()

bool	Read (CZipStorage *pStorage, WORD uSize)

void	Write (char *buffer) const

Friends
class	CZipFileHeader

Detailed Description

Represents a local or central extra field in a zip archive. This is a collection of extra data records (CZipExtraData).

See Also: Providing Custom Data: Extra Fields; CZipExtraData

Member Function Documentation

int CZipExtraField::Add ( CZipExtraData * pExtra )

inline

Adds a new extra data record to the extra field.

Parameters

pExtra The extra data record to add.

Returns: The index of pExtra in the internal collection.

void CZipExtraField::Clear ( )

inlineprotected

Removes all extra data records from the extra field.

CZipExtraData* CZipExtraField::CreateNew	(	WORD	headerID,
		bool	bAppend = `true`
	)

inline

Creates a new extra data record with the given ID and adds it to the extra field.

Parameters

headerID	The extra data ID.
bAppend	If `true`, add the header at the end of the collection; otherwise add the header at the beginning of the collection

Returns: The created extra data record.

See Also: CZipExtraData::GetHeaderID

CZipExtraData* CZipExtraField::CreateNew	(	WORD	headerID,
		int &	idx,
		bool	bAppend = `true`
	)

inline

Creates a new extra data record with the given ID and adds it to the extra field.

Parameters

headerID	The extra data ID.
idx	Receives the value of the index of the new extra data in the internal collection.
bAppend	If `true`, add the header at the end of the collection; otherwise add the header at the beginning of the collection

Returns: The created extra data record.

See Also: CZipExtraData::GetHeaderID

CZipExtraData* CZipExtraField::GetAt ( int index ) const

inline

Returns the extra data record at the given index.

Parameters

index The index of extra data record to retrieve.

Returns: The extra data record.

int CZipExtraField::GetCount ( ) const

inline

Returns the number of extra data records included in the extra field.

Returns: The number of extra fields included.

int CZipExtraField::GetTotalSize ( ) const

Returns the total size the extra data will occupy in the archive.

Returns: The size in bytes.

bool CZipExtraField::HasHeader ( WORD headerID )

inline

Returns the value indicating whether the extra data record with the given ID is present in the extra field.

Parameters

headerID The ID of the extra data to check.

Returns: true, if the extra data record with the given ID is present in the extra field; false otherwise.

static bool CZipExtraField::HasSize ( WORD headerID )

inlinestatic

Returns the value indicating whether the extra data record with the given ID writes its size.

Parameters

headerID The ID of extra data to examine.

Returns: true, if the extra data record writes its size; false otherwise.

See Also: m_aNoSizeExtraHeadersID

CZipExtraData* CZipExtraField::Lookup ( WORD headerID ) const

inline

Searches the extra field for the extra data record with the given ID.

Parameters

headerID The ID of the extra data to search.

Returns: The found extra data record or NULL, if the extra data could not be found.

CZipExtraData* CZipExtraField::Lookup	(	WORD	headerID,
		int &	index
	)		const

Searches the extra field for the extra data record with the given ID.

Parameters

headerID	The ID of the extra data to search.
index	Receives the value of the index of the found extra data in the internal collection.

Returns: The found extra data record or NULL, if the extra data could not be found.

bool CZipExtraField::Read	(	CZipStorage *	pStorage,
		WORD	uSize
	)

protected

Reads the extra field from buffer.

Parameters

pStorage	The storage to read the data from.
uSize	The size of the data to read.

Returns: false, if uSize was smaller than the declared extra field size; true otherwise.

void CZipExtraField::Remove ( WORD headerID )

Removes the extra data with the given ID.

Parameters

headerID The ID of the extra data to remove.

void CZipExtraField::RemoveAt ( int index )

inline

Removes the extra data record at the given index.

Parameters

index The index of the extra data record to remove.

void CZipExtraField::RemoveInternalHeaders ( )

Removes all extra data records from the central extra field that are internally used by the ZipArchive Library.

void CZipExtraField::RemoveInternalLocalHeaders ( )

Removes all extra data records from the local extra field that are internally used by the ZipArchive Library.

bool CZipExtraField::Validate ( ) const

inline

Validates the current size of the extra field.

Returns: false, if the size is larger than allowed; false otherwise.

void CZipExtraField::Write ( char * buffer ) const

protected

Writes the extra field to buffer.

Parameters

buffer The buffer to write to.

Member Data Documentation

CZipArray<WORD> CZipExtraField::m_aNoSizeExtraHeadersID

static

An array of headers that do not write extra data size.

See Also: Providing Custom Data: Extra Fields

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

ZipExtraField.h

Public Member Functions

Static Public Member Functions

Static Public Attributes

Protected Member Functions

Friends

Detailed Description

Member Function Documentation

Member Data Documentation