C# Class Nintenlord.GBA.Compressions.LZ77

Show file Open project: Diegoisawesome/AwesomeMapEditor-old

Public Methods

Method	Description
CanBeUnCompressed ( BinaryReader br, int offset ) : bool	Checks weather the data can be uncompressed.
CanBeUnCompressed ( BinaryReader br, int offset, int minSize, int maxSize ) : bool	Checks if data can be uncompressed.
CanBeUnCompressed ( byte source, int maxLenght ) : bool	Checks if data can be uncompressed
CanBeUnCompressed ( byte source, int minSize, int maxSize ) : bool	Checks if data can be uncompressed
CanBeUnCompressed ( byte data, int offset, int minSize, int maxSize ) : bool	Checks if data can be uncompressed
CanBeUnCompressed ( int offset, BinaryReader br ) : bool	Checks weather the data can be uncompressed.
Compress ( BinaryReader br, int offset, int size ) : byte[]
Compress ( byte unCompressedData ) : byte[]
Compress ( byte source, int lenght ) : byte[]	Compresses data with LZ77
Compress ( byte data, int index, int length ) : byte[]	Compresses data with LZ77
Compress ( uint UncompressedData ) : byte[]	Compresses from UInt32 to byte
Decompress ( BinaryReader br, int offset, byte destination ) : bool	Decompresses LZ77 data
Decompress ( byte source, byte target ) : bool	Decompresses LZ77 data
Decompress ( BinaryReader br, int offset ) : byte[]	Decompresses LZ77 data
Decompress ( byte source ) : byte[]	Decompresses LZ77 data
Decompress ( byte data, int offset ) : byte[]	Decompresses LZ77 data
GetCompressedDataLenght ( BinaryReader br, int offset, int &lenght ) : bool	Gets the lenght of the compressed data in a stream
GetCompressedDataLenght ( byte source, int &lenght ) : bool	Gets the lenght of the compressed data
GetCompressedDataLenght ( BinaryReader br, int offset ) : int	Gets the lenght of the compressed data
GetCompressedDataLenght ( byte source ) : int	Gets the lenght of the compressed data
GetCompressedDataLenght ( byte data, int offset ) : int	Gets the lenght of the compressed data
Scan ( BinaryReader br ) : int[]
Scan ( BinaryReader br, int offset, int size ) : int[]	Scans the stream for potential LZ77 compressions
Scan ( BinaryReader br, int offset, int amount, int sizeMultible, int minSize, int maxSize ) : int[]	Scans the stream for potential LZ77 compressions
Scan ( byte pointer, int amount ) : int[]	Scans an area in memory for potentian LZ77 compressions
Scan ( byte pointer, int amount, int sizeMultible, int minSize, int maxSize ) : int[]	Scans an area in memory for potential LZ77 compressions
Scan ( byte data, int offset, int amount, int sizeMultible, int minSize, int maxSize ) : int[]	Scans the data for potential LZ77 compressions
UnCompress ( BinaryReader br, int offset, byte destination ) : bool	Uncompresser LZ77 data from a stream
UnCompress ( byte source, byte target ) : bool	Uncompresser LZ77 data
UnCompress ( BinaryReader br, int offset ) : byte[]
UnCompress ( byte CompressedData ) : byte[]
UnCompressToUInt32 ( BinaryReader br, int offset ) : uint[]	Uncompresses to Uint32

Private Methods

Method	Description
Search ( List SlidingWindow, byte ReadAheadBuffer ) : int[]
Search ( byte source, int position, int lenght ) : int[]

Method Details

CanBeUnCompressed() public static method

Checks weather the data can be uncompressed.

public static CanBeUnCompressed ( BinaryReader br, int offset ) : bool
br	System.IO.BinaryReader	Stream where the compressed data is.
offset	int	Offset of the compressed data in the stream.
return	bool

CanBeUnCompressed() public static method

Checks if data can be uncompressed.

public static CanBeUnCompressed ( BinaryReader br, int offset, int minSize, int maxSize ) : bool
br	System.IO.BinaryReader	Stream where the compressed data is
offset	int	Offset of the compressed data in the stream
minSize	int
maxSize	int
return	bool

CanBeUnCompressed() public static method

Checks if data can be uncompressed

public static CanBeUnCompressed ( byte source, int maxLenght ) : bool
source	byte	Pointer to beginning of data
maxLenght	int
return	bool

CanBeUnCompressed() public static method

Checks if data can be uncompressed

public static CanBeUnCompressed ( byte source, int minSize, int maxSize ) : bool
source	byte	Pointer to beginning of data
minSize	int
maxSize	int
return	bool

CanBeUnCompressed() public static method

Checks if data can be uncompressed

public static CanBeUnCompressed ( byte data, int offset, int minSize, int maxSize ) : bool
data	byte	Data with data to test
offset	int	Offset of the data to test in data
minSize	int
maxSize	int
return	bool

CanBeUnCompressed() public static method

Checks weather the data can be uncompressed.

public static CanBeUnCompressed ( int offset, BinaryReader br ) : bool
offset	int	Offset of the compressed data in the stream.
br	System.IO.BinaryReader	Stream where the compressed data is.
return	bool

Compress() public method

public Compress ( BinaryReader br, int offset, int size ) : byte[]
br	System.IO.BinaryReader
offset	int
size	int
return	byte[]

Compress() public method

public Compress ( byte unCompressedData ) : byte[]
unCompressedData	byte
return	byte[]

Compress() public static method

Compresses data with LZ77

public static Compress ( byte source, int lenght ) : byte[]
source	byte	Pointer to beginning of the data
lenght	int	Lenght of the data to compress in bytes
return	byte[]

Compress() public static method

Compresses data with LZ77

public static Compress ( byte data, int index, int length ) : byte[]
data	byte	Data to compress
index	int	Beginning offset of the data to compress
length	int	Length of the data to compress
return	byte[]

Compress() public static method

Compresses from UInt32 to byte

public static Compress ( uint UncompressedData ) : byte[]
UncompressedData	uint	Array of uncompressed data
return	byte[]

Decompress() public static method

Decompresses LZ77 data

public static Decompress ( BinaryReader br, int offset, byte destination ) : bool
br	System.IO.BinaryReader	Stream where the compressed data is
offset	int	Position of the compressed data
destination	byte	Pointer to where uncompressed data goes
return	bool

Decompress() public static method

Decompresses LZ77 data

public static Decompress ( byte source, byte target ) : bool
source	byte	Pointer to compressed data
target	byte	Pointer to where uncompressed data goes
return	bool

Decompress() public static method

Decompresses LZ77 data

public static Decompress ( BinaryReader br, int offset ) : byte[]
br	System.IO.BinaryReader	Stream where compressed data is
offset	int	Offset of the compressed data in the stream
return	byte[]

Decompress() public static method

Decompresses LZ77 data

public static Decompress ( byte source ) : byte[]
source	byte	Pointer to data to decompress
return	byte[]

Decompress() public static method

Decompresses LZ77 data

public static Decompress ( byte data, int offset ) : byte[]
data	byte	Data where compressed data is
offset	int	Offset of the compressed data
return	byte[]

GetCompressedDataLenght() public static method

Gets the lenght of the compressed data in a stream

public static GetCompressedDataLenght ( BinaryReader br, int offset, int &lenght ) : bool
br	System.IO.BinaryReader	The stream with data
offset	int	The position of the data in stream
lenght	int
return	bool

GetCompressedDataLenght() public static method

Gets the lenght of the compressed data

public static GetCompressedDataLenght ( byte source, int &lenght ) : bool
source	byte	Pointer to the data
lenght	int	Lenght of the compressed data
return	bool

GetCompressedDataLenght() public static method

Gets the lenght of the compressed data

public static GetCompressedDataLenght ( BinaryReader br, int offset ) : int
br	System.IO.BinaryReader	The stream with data
offset	int	The position of the data in stream
return	int

GetCompressedDataLenght() public static method

Gets the lenght of the compressed data

public static GetCompressedDataLenght ( byte source ) : int
source	byte	Pointer to the data to check
return	int

GetCompressedDataLenght() public static method

Gets the lenght of the compressed data

public static GetCompressedDataLenght ( byte data, int offset ) : int
data	byte	Data where compressed data is
offset	int	The position of the data
return	int

Scan() public method

public Scan ( BinaryReader br ) : int[]
br	System.IO.BinaryReader
return	int[]

Scan() public static method

Scans the stream for potential LZ77 compressions

public static Scan ( BinaryReader br, int offset, int size ) : int[]
br	System.IO.BinaryReader	Stream to scan.
offset	int
size	int
return	int[]

Scan() public static method

Scans the stream for potential LZ77 compressions

public static Scan ( BinaryReader br, int offset, int amount, int sizeMultible, int minSize, int maxSize ) : int[]
br	System.IO.BinaryReader	Stream to scan
offset	int
amount	int
sizeMultible	int
minSize	int
maxSize	int
return	int[]

Scan() public static method

Scans an area in memory for potentian LZ77 compressions

public static Scan ( byte pointer, int amount ) : int[]
pointer	byte	Pointer to start of area to scan
amount	int	Size of the area to scan in bytes
return	int[]

Scan() public static method

Scans an area in memory for potential LZ77 compressions

public static Scan ( byte pointer, int amount, int sizeMultible, int minSize, int maxSize ) : int[]
pointer	byte	Pointer to start of area to scan
amount	int	Size of the area to scan in bytes
sizeMultible	int
minSize	int
maxSize	int
return	int[]

Scan() public static method

Scans the data for potential LZ77 compressions

public static Scan ( byte data, int offset, int amount, int sizeMultible, int minSize, int maxSize ) : int[]
data	byte	Data to scan
offset	int	Starting offset of are to scan
amount	int	Size of the area to scan
sizeMultible	int
minSize	int
maxSize	int
return	int[]

UnCompress() public static method

Uncompresser LZ77 data from a stream

public static UnCompress ( BinaryReader br, int offset, byte destination ) : bool
br	System.IO.BinaryReader	Stream where the compressed data is
offset	int	Position of the compressed data
destination	byte	Pointer to where uncompressed data goes
return	bool

UnCompress() public static method

Uncompresser LZ77 data

public static UnCompress ( byte source, byte target ) : bool
source	byte	Pointer to compressed data
target	byte	Pointer to where uncompressed data goes
return	bool

UnCompress() public method

public UnCompress ( BinaryReader br, int offset ) : byte[]
br	System.IO.BinaryReader
offset	int
return	byte[]

UnCompress() public method

public UnCompress ( byte CompressedData ) : byte[]
CompressedData	byte
return	byte[]

UnCompressToUInt32() public static method

Uncompresses to Uint32

public static UnCompressToUInt32 ( BinaryReader br, int offset ) : uint[]
br	System.IO.BinaryReader	Stream where the data to uncompress is
offset	int	Offset of the data
return	uint[]