C# Class ICSharpCode.SharpZipLib.Zip.ZipHelperStream

This class assists with writing/reading from Zip files.

Inheritance: Stream

显示文件 Open project: icsharpcode/SharpZipLib Class Usage Examples

Public Methods

Method	Description
Flush ( ) : void
LocateBlockWithSignature ( int signature, long endLocation, int minimumBlockSize, int maximumVariableData ) : long	Locates a block with the desired signature.
Read ( byte buffer, int offset, int count ) : int
ReadDataDescriptor ( bool zip64, DescriptorData data ) : void	Read data descriptor at the end of compressed data.
ReadLEInt ( ) : int	Read an int in little endian byte order.
ReadLELong ( ) : long	Read a long in little endian byte order.
ReadLEShort ( ) : int	Read an unsigned short in little endian byte order.
Seek ( long offset, SeekOrigin origin ) : long
SetLength ( long value ) : void
Write ( byte buffer, int offset, int count ) : void
WriteDataDescriptor ( ZipEntry entry ) : int	Write a data descriptor.
WriteEndOfCentralDirectory ( long noOfEntries, long sizeEntries, long startOfCentralDirectory, byte comment ) : void	Write the required records to end the central directory.
WriteLEInt ( int value ) : void	Write an int in little endian byte order.
WriteLELong ( long value ) : void	Write a long in little endian byte order.
WriteLEShort ( int value ) : void	Write an unsigned short in little endian byte order.
WriteLEUint ( uint value ) : void	Write a uint in little endian byte order.
WriteLEUlong ( ulong value ) : void	Write a ulong in little endian byte order.
WriteLEUshort ( ushort value ) : void	Write a ushort in little endian byte order.
WriteZip64EndOfCentralDirectory ( long noOfEntries, long sizeEntries, long centralDirOffset ) : void	Write Zip64 end of central directory records (File header and locator).
ZipHelperStream ( Stream stream ) : System	Initialise a new instance of ZipHelperStream.
ZipHelperStream ( string name ) : System	Initialise an instance of this class.

Protected Methods

Method	Description
Dispose ( bool disposing ) : void	Close the stream. The underlying stream is closed only if IsStreamOwner is true.

Private Methods

Method	Description
WriteLocalHeader ( ZipEntry entry, EntryPatchData patchData ) : void

Method Details

Dispose() protected method

Close the stream.

The underlying stream is closed only if IsStreamOwner is true.

protected Dispose ( bool disposing ) : void
disposing	bool
return	void

Flush() public method

public Flush ( ) : void
return	void

LocateBlockWithSignature() public method

Locates a block with the desired signature.

public LocateBlockWithSignature ( int signature, long endLocation, int minimumBlockSize, int maximumVariableData ) : long
signature	int	The signature to find.
endLocation	long	Location, marking the end of block.
minimumBlockSize	int	Minimum size of the block.
maximumVariableData	int	The maximum variable data.
return	long

Read() public method

public Read ( byte buffer, int offset, int count ) : int
buffer	byte
offset	int
count	int
return	int

ReadDataDescriptor() public method

Read data descriptor at the end of compressed data.

public ReadDataDescriptor ( bool zip64, DescriptorData data ) : void
zip64	bool	if set to true [zip64].
data	DescriptorData	The data to fill in.
return	void

ReadLEInt() public method

Read an int in little endian byte order.

/// An i/o error occurs. /// /// The file ends prematurely ///

public ReadLEInt ( ) : int
return	int

ReadLELong() public method

Read a long in little endian byte order.

public ReadLELong ( ) : long
return	long

ReadLEShort() public method

Read an unsigned short in little endian byte order.

/// An i/o error occurs. /// /// The file ends prematurely ///

public ReadLEShort ( ) : int
return	int

Seek() public method

public Seek ( long offset, SeekOrigin origin ) : long
offset	long
origin	SeekOrigin
return	long

SetLength() public method

public SetLength ( long value ) : void
value	long
return	void

Write() public method

public Write ( byte buffer, int offset, int count ) : void
buffer	byte
offset	int
count	int
return	void

WriteDataDescriptor() public method

Write a data descriptor.

public WriteDataDescriptor ( ZipEntry entry ) : int
entry	ZipEntry	The entry to write a descriptor for.
return	int

WriteEndOfCentralDirectory() public method

Write the required records to end the central directory.

public WriteEndOfCentralDirectory ( long noOfEntries, long sizeEntries, long startOfCentralDirectory, byte comment ) : void
noOfEntries	long	The number of entries in the directory.
sizeEntries	long	The size of the entries in the directory.
startOfCentralDirectory	long	The start of the central directory.
comment	byte	The archive comment. (This can be null).
return	void

WriteLEInt() public method

Write an int in little endian byte order.

public WriteLEInt ( int value ) : void
value	int	The value to write.
return	void

WriteLELong() public method

Write a long in little endian byte order.

public WriteLELong ( long value ) : void
value	long	The value to write.
return	void

WriteLEShort() public method

Write an unsigned short in little endian byte order.

public WriteLEShort ( int value ) : void
value	int	The value to write.
return	void

WriteLEUint() public method

Write a uint in little endian byte order.

public WriteLEUint ( uint value ) : void
value	uint	The value to write.
return	void

WriteLEUlong() public method

Write a ulong in little endian byte order.

public WriteLEUlong ( ulong value ) : void
value	ulong	The value to write.
return	void

WriteLEUshort() public method

Write a ushort in little endian byte order.

public WriteLEUshort ( ushort value ) : void
value	ushort	The value to write.
return	void

WriteZip64EndOfCentralDirectory() public method

Write Zip64 end of central directory records (File header and locator).

public WriteZip64EndOfCentralDirectory ( long noOfEntries, long sizeEntries, long centralDirOffset ) : void
noOfEntries	long	The number of entries in the central directory.
sizeEntries	long	The size of entries in the central directory.
centralDirOffset	long	The offset of the dentral directory.
return	void

ZipHelperStream() public method

Initialise a new instance of ZipHelperStream.

public ZipHelperStream ( Stream stream ) : System
stream	Stream	The stream to use.
return	System

ZipHelperStream() public method

Initialise an instance of this class.

public ZipHelperStream ( string name ) : System
name	string	The name of the file to open.
return	System