C# Class ICSharpCode.SharpZipLib.Zip.ZipExtraData

A class to handle the extra data field for Zip entries

Extra data contains 0 or more values each prefixed by a header tag and length. They contain zero or more bytes of actual data. The data is held internally using a copy on write strategy. This is more efficient but means that for extra data created by passing in data can have the values modified by the caller in some circumstances.

Inheritance: IDisposable

Afficher le fichier Open project: fanfeilong/exceltk Class Usage Examples

Méthodes publiques

Méthode	Description
AddData ( byte data ) : void	Add a byte of data to the pending new entry.
AddEntry ( ITaggedData taggedData ) : void	Add a new entry to extra data.
AddEntry ( int headerID, byte fieldData ) : void	Add a new entry to extra data If the ID already exists its contents are replaced.
AddLeInt ( int toAdd ) : void	Add an integer value in little endian order to the pending new entry.
AddLeLong ( long toAdd ) : void	Add a long value in little endian order to the pending new entry.
AddLeShort ( int toAdd ) : void	Add a short value in little endian order to the pending new entry.
AddNewEntry ( int headerID ) : void	Add entry data added since StartNewEntry using the ID passed.
Clear ( ) : void	Clear the stored data.
Delete ( int headerID ) : bool	Delete an extra data field.
Dispose ( ) : void	Dispose of this instance.
Find ( int headerID ) : bool	Find an extra data value
GetEntryData ( ) : byte[]	Get the raw extra data value
GetStreamForTag ( int tag ) : Stream	Get a read-only Stream for the associated tag.
ReadByte ( ) : int	Read a byte from an extra data
ReadInt ( ) : int	Read an integer in little endian form from the last found data value.
ReadLong ( ) : long	Read a long in little endian form from the last found data value
ReadShort ( ) : int	Read a short value in little endian form from the last found data value.
Skip ( int amount ) : void	Skip data during reading.
StartNewEntry ( ) : void	Start adding a new entry. Add data using AddData(byte[]), AddLeShort, AddLeInt, or AddLeLong. The new entry is completed and actually added by calling AddNewEntry
ZipExtraData ( ) : System	Initialise a default instance.
ZipExtraData ( byte data ) : System	Initialise with known extra data.

Private Methods

Méthode	Description
Create ( short tag, byte data, int offset, int count ) : ITaggedData
GetData ( short tag ) : ITaggedData	Get the tagged data for a tag.
ReadCheck ( int length ) : void
ReadShortInternal ( ) : int	Internal form of ReadShort that reads data at any location.
SetShort ( int &index, int source ) : void

Method Details

AddData() public méthode

Add a byte of data to the pending new entry.

public AddData ( byte data ) : void
data	byte	The byte to add.
Résultat	void

AddEntry() public méthode

Add a new entry to extra data.

public AddEntry ( ITaggedData taggedData ) : void
taggedData	ITaggedData	The value to add.
Résultat	void

AddEntry() public méthode

Add a new entry to extra data

If the ID already exists its contents are replaced.

public AddEntry ( int headerID, byte fieldData ) : void
headerID	int	The ID for this entry.
fieldData	byte	The data to add.
Résultat	void

AddLeInt() public méthode

Add an integer value in little endian order to the pending new entry.

public AddLeInt ( int toAdd ) : void
toAdd	int	The data to add.
Résultat	void

AddLeLong() public méthode

Add a long value in little endian order to the pending new entry.

public AddLeLong ( long toAdd ) : void
toAdd	long	The data to add.
Résultat	void

AddLeShort() public méthode

Add a short value in little endian order to the pending new entry.

public AddLeShort ( int toAdd ) : void
toAdd	int	The data to add.
Résultat	void

AddNewEntry() public méthode

Add entry data added since StartNewEntry using the ID passed.

public AddNewEntry ( int headerID ) : void
headerID	int	The identifier to use for this entry.
Résultat	void

Clear() public méthode

Clear the stored data.

public Clear ( ) : void
Résultat	void

Delete() public méthode

Delete an extra data field.

public Delete ( int headerID ) : bool
headerID	int	The identifier of the field to delete.
Résultat	bool

Dispose() public méthode

Dispose of this instance.

public Dispose ( ) : void
Résultat	void

Find() public méthode

Find an extra data value

public Find ( int headerID ) : bool
headerID	int	The identifier for the value to find.
Résultat	bool

GetEntryData() public méthode

Get the raw extra data value

public GetEntryData ( ) : byte[]
Résultat	byte[]

GetStreamForTag() public méthode

Get a read-only Stream for the associated tag.

public GetStreamForTag ( int tag ) : Stream
tag	int	The tag to locate data for.
Résultat	Stream

ReadByte() public méthode

Read a byte from an extra data

public ReadByte ( ) : int
Résultat	int

ReadInt() public méthode

Read an integer in little endian form from the last found data value.

public ReadInt ( ) : int
Résultat	int

ReadLong() public méthode

Read a long in little endian form from the last found data value

public ReadLong ( ) : long
Résultat	long

ReadShort() public méthode

Read a short value in little endian form from the last found data value.

public ReadShort ( ) : int
Résultat	int

Skip() public méthode

Skip data during reading.

public Skip ( int amount ) : void
amount	int	The number of bytes to skip.
Résultat	void

StartNewEntry() public méthode

Start adding a new entry.

Add data using AddData(byte[]), AddLeShort, AddLeInt, or AddLeLong. The new entry is completed and actually added by calling AddNewEntry

public StartNewEntry ( ) : void
Résultat	void

ZipExtraData() public méthode

Initialise a default instance.

public ZipExtraData ( ) : System
Résultat	System

ZipExtraData() public méthode

Initialise with known extra data.

public ZipExtraData ( byte data ) : System
data	byte	The extra data.
Résultat	System