org.crosswire.common.diff

Class Match

java.lang.Object

org.crosswire.common.diff.Match

All Implemented Interfaces:

Locator

public class Match
extends Object
implements Locator

Computes the difference between two texts to create a patch. Applies the patch onto another text, allowing for errors. Based on the LGPL Diff_Match_Patch v1.5 javascript of Neil Fraser, Copyright (C) 2006
http://neil.fraser.name/software/diff_match_patch/

Author:

DM Smith

See Also:

The GNU Lesser General Public License for details.

Field Summary

Fields

Modifier and Type	Field and Description
private int	loc The location in text to focus the search.
private Locator	locator The strategy for locating a best match.
private String	pattern The pattern to find in the text.
private String	text The text to search.

Constructor Summary

Constructors

Constructor and Description
Match()
Match(String text, String pattern, int loc) Locate the best instance of 'pattern' in 'text' near 'loc'.

Method Summary

Methods

Modifier and Type	Method and Description
int	locate() Locate the best instance of 'pattern' in 'text' near 'loc'.
int	maxPatternLength() The maximum length a pattern can be.

Methods inherited from class java.lang.Object

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

Field Detail

text

private String text

The text to search.

pattern

private String pattern

The pattern to find in the text.

loc

private int loc

The location in text to focus the search.

locator

private Locator locator

The strategy for locating a best match.

Constructor Detail

Match

public Match()

Match

public Match(String text,
     String pattern,
     int loc)

Locate the best instance of 'pattern' in 'text' near 'loc'.

Parameters:

text - The text to search

pattern - The pattern to search for

loc - The location to search around

Method Detail

maxPatternLength

public int maxPatternLength()

Description copied from interface: Locator

The maximum length a pattern can be.

Specified by:

maxPatternLength in interface Locator

Returns:

maximum pattern length.

locate

public int locate()

Locate the best instance of 'pattern' in 'text' near 'loc'.

Specified by:

locate in interface Locator

Returns:

Best match index or -1, if no match found