C# Class ICSharpCode.SharpZipLib.Tar.TarHeader

This class encapsulates the Tar Entry Header used in Tar Archives. The class also holds a number of tar constants, used mostly in headers.

Inheritance: ICloneable

Afficher le fichier Open project: icsharpcode/SharpZipLib Class Usage Examples

Méthodes publiques

Méthode	Description
Clone ( ) : object	Create a new TarHeader that is a copy of the current instance.
Equals ( object obj ) : bool	Determines if this instance is equal to the specified object.
GetAsciiBytes ( string toAdd, int nameOffset, byte buffer, int bufferOffset, int length ) : int	Add a string to a buffer as a collection of ascii bytes.
GetHashCode ( ) : int	Get a hash code for the current object.
GetNameBytes ( StringBuilder name, byte buffer, int offset, int length ) : int	Add an entry name to the buffer
GetNameBytes ( StringBuilder name, int nameOffset, byte buffer, int bufferOffset, int length ) : int	Add name to the buffer as a collection of bytes
GetNameBytes ( string name, byte buffer, int offset, int length ) : int	Add an entry name to the buffer
GetNameBytes ( string name, int nameOffset, byte buffer, int bufferOffset, int length ) : int	Add name to the buffer as a collection of bytes
GetOctalBytes ( long value, byte buffer, int offset, int length ) : int	Put an octal representation of a value into a buffer
ParseBuffer ( byte header ) : void	Parse TarHeader information from a header buffer.
ParseName ( byte header, int offset, int length ) : StringBuilder	Parse a name from a header buffer.
ParseOctal ( byte header, int offset, int length ) : long	Parse an octal string from a header buffer.
TarHeader ( ) : System	Initialise a default TarHeader instance
WriteHeader ( byte outBuffer ) : void	'Write' header information to buffer provided, updating the check sum.

Private Methods

Méthode	Description
ComputeCheckSum ( byte buffer ) : int	Compute the checksum for a tar entry header. The checksum field must be all spaces prior to this happening
GetBinaryOrOctalBytes ( long value, byte buffer, int offset, int length ) : int	Put an octal or binary representation of a value into a buffer
GetCTime ( System.DateTime dateTime ) : int
GetCheckSumOctalBytes ( long value, byte buffer, int offset, int length ) : void	Add the checksum integer to header buffer.
GetDateTimeFromCTime ( long ticks ) : System.DateTime
GetName ( ) : string
MakeCheckSum ( byte buffer ) : int	Make a checksum for a tar entry ignoring the checksum contents.
ParseBinaryOrOctal ( byte header, int offset, int length ) : long
RestoreSetValues ( ) : void
SetValueDefaults ( int userId, string userName, int groupId, string groupName ) : void	Set defaults for values used when constructing a TarHeader instance.

Method Details

Clone() public méthode

Create a new TarHeader that is a copy of the current instance.

public Clone ( ) : object
Résultat	object

Equals() public méthode

Determines if this instance is equal to the specified object.

public Equals ( object obj ) : bool
obj	object	The object to compare with.
Résultat	bool

GetAsciiBytes() public static méthode

Add a string to a buffer as a collection of ascii bytes.

public static GetAsciiBytes ( string toAdd, int nameOffset, byte buffer, int bufferOffset, int length ) : int
toAdd	string	The string to add
nameOffset	int	The offset of the first character to add.
buffer	byte	The buffer to add to.
bufferOffset	int	The offset to start adding at.
length	int	The number of ascii characters to add.
Résultat	int

GetHashCode() public méthode

Get a hash code for the current object.

public GetHashCode ( ) : int
Résultat	int

GetNameBytes() public static méthode

Add an entry name to the buffer

public static GetNameBytes ( StringBuilder name, byte buffer, int offset, int length ) : int
name	StringBuilder	/// The name to add ///
buffer	byte	/// The buffer to add to ///
offset	int	/// The offset into the buffer from which to start adding ///
length	int	/// The number of header bytes to add ///
Résultat	int

GetNameBytes() public static méthode

Add name to the buffer as a collection of bytes

public static GetNameBytes ( StringBuilder name, int nameOffset, byte buffer, int bufferOffset, int length ) : int
name	StringBuilder	The name to add
nameOffset	int	The offset of the first character
buffer	byte	The buffer to add to
bufferOffset	int	The index of the first byte to add
length	int	The number of characters/bytes to add
Résultat	int

GetNameBytes() public static méthode

Add an entry name to the buffer

public static GetNameBytes ( string name, byte buffer, int offset, int length ) : int
name	string	The name to add
buffer	byte	The buffer to add to
offset	int	The offset into the buffer from which to start adding
length	int	The number of header bytes to add
Résultat	int

GetNameBytes() public static méthode

Add name to the buffer as a collection of bytes

public static GetNameBytes ( string name, int nameOffset, byte buffer, int bufferOffset, int length ) : int
name	string	The name to add
nameOffset	int	The offset of the first character
buffer	byte	The buffer to add to
bufferOffset	int	The index of the first byte to add
length	int	The number of characters/bytes to add
Résultat	int

GetOctalBytes() public static méthode

Put an octal representation of a value into a buffer

public static GetOctalBytes ( long value, byte buffer, int offset, int length ) : int
value	long	/// the value to be converted to octal ///
buffer	byte	/// buffer to store the octal string ///
offset	int	/// The offset into the buffer where the value starts ///
length	int	/// The length of the octal string to create ///
Résultat	int

ParseBuffer() public méthode

Parse TarHeader information from a header buffer.

public ParseBuffer ( byte header ) : void
header	byte	/// The tar entry header buffer to get information from. ///
Résultat	void

ParseName() public static méthode

Parse a name from a header buffer.

public static ParseName ( byte header, int offset, int length ) : StringBuilder
header	byte	/// The header buffer from which to parse. ///
offset	int	/// The offset into the buffer from which to parse. ///
length	int	/// The number of header bytes to parse. ///
Résultat	StringBuilder

ParseOctal() public static méthode

Parse an octal string from a header buffer.

public static ParseOctal ( byte header, int offset, int length ) : long
header	byte	The header buffer from which to parse.
offset	int	The offset into the buffer from which to parse.
length	int	The number of header bytes to parse.
Résultat	long

TarHeader() public méthode

Initialise a default TarHeader instance

public TarHeader ( ) : System
Résultat	System

WriteHeader() public méthode

'Write' header information to buffer provided, updating the check sum.

public WriteHeader ( byte outBuffer ) : void
outBuffer	byte	output buffer for header information
Résultat	void