se.l4.lect.text

Class OffsetTrackingReader

java.lang.Object

java.io.Reader

java.io.FilterReader

se.l4.lect.text.OffsetTrackingReader

All Implemented Interfaces:

Closeable, AutoCloseable, Readable

public class OffsetTrackingReader
extends FilterReader

Reader that tracks offsets and allows mapping between offset and line and column.

Author:

Andreas Holstenson

Field Summary

Fields inherited from class java.io.FilterReader

in

Fields inherited from class java.io.Reader

lock

Constructor Summary

Constructors

Constructor and Description
OffsetTrackingReader(Reader in)

Method Summary

Modifier and Type	Method and Description
TextOffsetLocation	offsetToLocation(int offset) Resolve the MutableTextOffsetLocation of a character offset.
void	offsetToLocation(int offset, TextOffsetLocation target) Resolve the MutableTextOffsetLocation of a character offset and store it in the given target.
int	read()
int	read(char[] cbuf, int off, int len)

Methods inherited from class java.io.FilterReader

close, mark, markSupported, ready, reset, skip

Methods inherited from class java.io.Reader

read, read

Methods inherited from class java.lang.Object

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

Constructor Detail

OffsetTrackingReader

public OffsetTrackingReader(Reader in)

Method Detail

read

public int read()
         throws IOException

Overrides:

read in class FilterReader

Throws:

IOException

read

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

Overrides:

read in class FilterReader

Throws:

IOException

offsetToLocation

public TextOffsetLocation offsetToLocation(int offset)

Resolve the MutableTextOffsetLocation of a character offset.

Parameters:

offset -

Returns:

offsetToLocation

public void offsetToLocation(int offset,
                             TextOffsetLocation target)

Resolve the MutableTextOffsetLocation of a character offset and store it in the given target.

Parameters:

offset -

target -