C# Class FlacLibSharp.Helpers.BinaryDataHelper

A helper class for parsing byes and bits to actual numbers.

Currently always operates with Big-Endian numbers (because this was created for FLAC parsing which uses big-endian by default).

Show file Open project: AaronLenoir/flaclibsharp

Public Methods

Method	Description
GetBoolean ( byte data, int byteOffset, byte bitOffset ) : bool	From the data, reads boolean at the offset.
GetBytes ( System.UInt64 value, int size ) : byte[]	Converts the given value to a big-endian byte stream.
GetBytesUInt16 ( UInt16 value ) : byte[]	Converts the given value to a big-endian byte stream.
GetBytesUInt32 ( UInt32 value ) : byte[]	Converts the given value to a big-endian byte stream.
GetBytesUInt64 ( System.UInt64 value ) : byte[]	Converts the given value to a big-endian byte stream.
GetDataSubset ( byte data, int offset, int length ) : byte[]	From a given data array, get a subset of items in a deep copied array.
GetPaddedAsciiBytes ( string value, int size ) : byte[]	Will return an array of ascii printable characters (values 0x20 to 0x7e) and will pad with zero's so that the array of bytes is always of a given size.
GetUInt16 ( byte data, int byteOffset ) : UInt16	From the data, reads an unsigned 16 bit integer starting from the offset.
GetUInt24 ( byte data, int byteOffset ) : UInt32	From the data, reads an unsigned 24 bit integer starting from the offset.
GetUInt32 ( byte data, int byteOffset ) : UInt32	From the data, reads an unsigned 32 bit integer starting from the offset.
GetUInt64 ( byte data, int byteOffset ) : System.UInt64	From the data, reads an unsigned 64 bit integer starting from the offset.
GetUInt64 ( byte data, int byteOffset, int bitCount ) : System.UInt64	From the data, reads an integer value starting from the offset.
GetUInt64 ( byte data, int byteOffset, int bitCount, byte bitOffset ) : System.UInt64	Allows you to interpret part of a byte array as a number. Always assumes Big-Endian in the data store.
SwitchEndianness ( byte data, int byteOffset, int length ) : byte[]	For a given array of bytes, switch the endiannes of the length-bytes starting at byteOffset.

Method Details

GetBoolean() public static method

From the data, reads boolean at the offset.

public static GetBoolean ( byte data, int byteOffset, byte bitOffset ) : bool
data	byte	The source data
byteOffset	int	Offset from where to start reading the boolean, in bytes.
bitOffset	byte	In the found byte, defines the bit that will represent the boolean.
return	bool

GetBytes() public static method

Converts the given value to a big-endian byte stream.

public static GetBytes ( System.UInt64 value, int size ) : byte[]
value	System.UInt64	The value to convert.
size	int	How many bytes to convert (the rest will be ignored in the value).
return	byte[]

GetBytesUInt16() public static method

Converts the given value to a big-endian byte stream.

public static GetBytesUInt16 ( UInt16 value ) : byte[]
value	System.UInt16	The value to convert.
return	byte[]

GetBytesUInt32() public static method

Converts the given value to a big-endian byte stream.

public static GetBytesUInt32 ( UInt32 value ) : byte[]
value	System.UInt32	The value to convert.
return	byte[]

GetBytesUInt64() public static method

Converts the given value to a big-endian byte stream.

public static GetBytesUInt64 ( System.UInt64 value ) : byte[]
value	System.UInt64	The value to convert.
return	byte[]

GetDataSubset() public static method

From a given data array, get a subset of items in a deep copied array.

public static GetDataSubset ( byte data, int offset, int length ) : byte[]
data	byte	The input data (won't be altered)
offset	int	Where in the input data to start copying files.
length	int	The amount of bytes to copy.
return	byte[]

GetPaddedAsciiBytes() public static method

Will return an array of ascii printable characters (values 0x20 to 0x7e) and will pad with zero's so that the array of bytes is always of a given size.

public static GetPaddedAsciiBytes ( string value, int size ) : byte[]
value	string	The text to convert to bytes.
size	int	The total length of the resulting byte array.
return	byte[]

GetUInt16() public static method

From the data, reads an unsigned 16 bit integer starting from the offset.

public static GetUInt16 ( byte data, int byteOffset ) : UInt16
data	byte	The source data
byteOffset	int	Offset from where to start reading the integer, in bytes.
return	System.UInt16

GetUInt24() public static method

From the data, reads an unsigned 24 bit integer starting from the offset.

public static GetUInt24 ( byte data, int byteOffset ) : UInt32
data	byte	The source data
byteOffset	int	Offset from where to start reading the integer, in bytes.
return	System.UInt32

GetUInt32() public static method

From the data, reads an unsigned 32 bit integer starting from the offset.

public static GetUInt32 ( byte data, int byteOffset ) : UInt32
data	byte	The source data
byteOffset	int	Offset from where to start reading the integer, in bytes.
return	System.UInt32

GetUInt64() public static method

From the data, reads an unsigned 64 bit integer starting from the offset.

public static GetUInt64 ( byte data, int byteOffset ) : System.UInt64
data	byte	The source data
byteOffset	int	Offset from where to start reading the integer, in bytes.
return	System.UInt64

GetUInt64() public static method

From the data, reads an integer value starting from the offset.

public static GetUInt64 ( byte data, int byteOffset, int bitCount ) : System.UInt64
data	byte	The source data
byteOffset	int	Offset from where to start reading the integer, in bytes.
bitCount	int	How many bits to read (16, 32, or something arbitrary but less than or equal to 64)
return	System.UInt64

GetUInt64() public static method

Allows you to interpret part of a byte array as a number.

Always assumes Big-Endian in the data store.

public static GetUInt64 ( byte data, int byteOffset, int bitCount, byte bitOffset ) : System.UInt64
data	byte	The source data.
byteOffset	int	Where in the data to start reading (offset in bytes)
bitCount	int	How many bits to read (16, 32, or something arbitrary but less than or equal to 64)
bitOffset	byte	In the first byte, at which bit to start reading the data from.
return	System.UInt64

SwitchEndianness() public static method

For a given array of bytes, switch the endiannes of the length-bytes starting at byteOffset.

public static SwitchEndianness ( byte data, int byteOffset, int length ) : byte[]
data	byte	The source data.
byteOffset	int	Where to start switching the endianness.
length	int	How many bytes to switch.
return	byte[]