pt.tumba.parser.swf
Class InStream

java.lang.Object
  pt.tumba.parser.swf.InStream

public class InStream
extends java.lang.Object

Input Stream Wrapper

Author:

unknown

Field Summary

protected int	bitBuf Description of the Field
protected int	bitPos Description of the Field
protected long	bytesRead Description of the Field
protected java.io.InputStream	in Description of the Field

Constructor Summary

InStream(byte[] bytes)
Constructor for the InStream object

InStream(java.io.InputStream in)
Constructor for the InStream object

Method Summary

static int	bytesToSigned(byte lo, byte hi) Util to convert 2 bytes to a signed value
long	getBytesRead() Gets the bytesRead attribute of the InStream object
byte[]	read() Read all remaining bytes from the stream
byte[]	read(int length) Read bytes from the input stream
double	readDouble() Read a 64 bit floating point number
float	readFloat() Read a 32 bit floating point number
int	readSBits(int numBits) Read a signed value from the given number of bits
short	readSI16() Read a signed 16 bit value
int	readSI32() Read a 32 bit signed number
java.lang.String	readString() Read a null terminated string using the default character encoding
byte[]	readStringBytes() Read a string from the input stream
long	readUBits(int numBits) Read an unsigned value from the given number of bits
int	readUI16() Read an unsigned 16 bit value
long	readUI32() Read an unsigned 32 bit value
int	readUI8() Read an unsigned 8 bit value
void	setBytesRead(long read) Sets the bytesRead attribute of the InStream object
void	skipBytes(long length) Skip a number of bytes from the input stream
void	synchBits() Reset the bit buffer
static int	ubyteToInt(byte b2) Util to convert an unsigned byte to an unsigned int

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

in

protected java.io.InputStream in

Description of the Field

bytesRead

protected long bytesRead

Description of the Field

bitBuf

protected int bitBuf

Description of the Field

bitPos

protected int bitPos

Description of the Field

Constructor Detail

InStream

public InStream(java.io.InputStream in)

Constructor for the InStream object

Parameters:

in - Description of the Parameter

InStream

public InStream(byte[] bytes)

Constructor for the InStream object

Parameters:

bytes - Description of the Parameter

Method Detail

readStringBytes

public byte[] readStringBytes()
                       throws java.io.IOException

Read a string from the input stream

Returns:

Description of the Return Value

Throws:

java.io.IOException - Description of the Exception

readString

public java.lang.String readString()
                            throws java.io.IOException

Read a null terminated string using the default character encoding

Returns:

Description of the Return Value

Throws:

java.io.IOException - Description of the Exception

read

public byte[] read()
            throws java.io.IOException

Read all remaining bytes from the stream

Returns:

Description of the Return Value

Throws:

java.io.IOException - Description of the Exception

read

public byte[] read(int length)
            throws java.io.IOException

Read bytes from the input stream

Parameters:

length - Description of the Parameter

Returns:

Description of the Return Value

Throws:

java.io.IOException - Description of the Exception

synchBits

public void synchBits()

Reset the bit buffer

getBytesRead

public long getBytesRead()

Gets the bytesRead attribute of the InStream object

Returns:

The bytesRead value

setBytesRead

public void setBytesRead(long read)

Sets the bytesRead attribute of the InStream object

Parameters:

read - The new bytesRead value

skipBytes

public void skipBytes(long length)
               throws java.io.IOException

Skip a number of bytes from the input stream

Parameters:

length - Description of the Parameter

Throws:

java.io.IOException - Description of the Exception

readUBits

public long readUBits(int numBits)
               throws java.io.IOException

Read an unsigned value from the given number of bits

Parameters:

numBits - Description of the Parameter

Returns:

Description of the Return Value

Throws:

java.io.IOException - Description of the Exception

readUI8

public int readUI8()
            throws java.io.IOException

Read an unsigned 8 bit value

Returns:

Description of the Return Value

Throws:

java.io.IOException - Description of the Exception

readUI16

public int readUI16()
             throws java.io.IOException

Read an unsigned 16 bit value

Returns:

Description of the Return Value

Throws:

java.io.IOException - Description of the Exception

readSI16

public short readSI16()
               throws java.io.IOException

Read a signed 16 bit value

Returns:

Description of the Return Value

Throws:

java.io.IOException - Description of the Exception

readUI32

public long readUI32()
              throws java.io.IOException

Read an unsigned 32 bit value

Returns:

Description of the Return Value

Throws:

java.io.IOException - Description of the Exception

readSBits

public int readSBits(int numBits)
              throws java.io.IOException

Read a signed value from the given number of bits

Parameters:

numBits - Description of the Parameter

Returns:

Description of the Return Value

Throws:

java.io.IOException - Description of the Exception

readSI32

public int readSI32()
             throws java.io.IOException

Read a 32 bit signed number

Returns:

Description of the Return Value

Throws:

java.io.IOException - Description of the Exception

readFloat

public float readFloat()
                throws java.io.IOException

Read a 32 bit floating point number

Returns:

Description of the Return Value

Throws:

java.io.IOException - Description of the Exception

readDouble

public double readDouble()
                  throws java.io.IOException

Read a 64 bit floating point number

Returns:

Description of the Return Value

Throws:

java.io.IOException - Description of the Exception

ubyteToInt

public static int ubyteToInt(byte b2)

Util to convert an unsigned byte to an unsigned int

Parameters:

b - Description of the Parameter

Returns:

Description of the Return Value

bytesToSigned

public static int bytesToSigned(byte lo,
                                byte hi)

Util to convert 2 bytes to a signed value

Parameters:

lo - Description of the Parameter

hi - Description of the Parameter

Returns:

Description of the Return Value