Package com.itextpdf.kernel.xmp.impl

Class FixASCIIControlsReader

java.lang.Object

java.io.Reader

java.io.FilterReader

java.io.PushbackReader

com.itextpdf.kernel.xmp.impl.FixASCIIControlsReader

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable, java.lang.Readable

public class FixASCIIControlsReader
extends java.io.PushbackReader

Since:

22.08.2006

Field Summary

Fields

Modifier and Type	Field	Description
private static int	BUFFER_SIZE
private int	control	the result of the escaping sequence
private int	digits	count the digits of the sequence
private int	state	the state of the automaton
private static int	STATE_AMP
private static int	STATE_DIG1
private static int	STATE_ERROR
private static int	STATE_HASH
private static int	STATE_HEX
private static int	STATE_START

Fields inherited from class java.io.FilterReader

in

Fields inherited from class java.io.Reader

lock

Constructor Summary

Constructors

Constructor	Description
FixASCIIControlsReader(java.io.Reader input)	The look-ahead size is 6 at maximum («)

Method Summary

Modifier and Type	Method	Description
private char	processChar(char ch)	Processes numeric escaped chars to find out if they are a control character.
int	read(char[] cbuf, int off, int len)

Methods inherited from class java.io.PushbackReader

close, mark, markSupported, read, ready, reset, skip, unread, unread, unread

Methods inherited from class java.io.Reader

nullReader, read, read, transferTo

Methods inherited from class java.lang.Object

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

Field Detail

STATE_START

private static final int STATE_START

See Also:

Constant Field Values

STATE_AMP

private static final int STATE_AMP

See Also:

Constant Field Values

STATE_HASH

private static final int STATE_HASH

See Also:

Constant Field Values

STATE_HEX

private static final int STATE_HEX

See Also:

Constant Field Values

STATE_DIG1

private static final int STATE_DIG1

See Also:

Constant Field Values

STATE_ERROR

private static final int STATE_ERROR

See Also:

Constant Field Values

BUFFER_SIZE

private static final int BUFFER_SIZE

See Also:

Constant Field Values

state

private int state

the state of the automaton

control

private int control

the result of the escaping sequence

digits

private int digits

count the digits of the sequence

Constructor Detail

FixASCIIControlsReader

public FixASCIIControlsReader(java.io.Reader input)

The look-ahead size is 6 at maximum («)

Parameters:

input - a Reader

See Also:

PushbackReader(java.io.Reader, int)

Method Detail

read

public int read(char[] cbuf,
                int off,
                int len)
         throws java.io.IOException

Overrides:

read in class java.io.PushbackReader

Throws:

java.io.IOException

See Also:

Reader.read(char[], int, int)

processChar

private char processChar(char ch)

Processes numeric escaped chars to find out if they are a control character.

Parameters:

ch - a char

Returns:

Returns the char directly or as replacement for the escaped sequence.