org.basex.query.regex

Class Escape

java.lang.Object

org.basex.query.regex.RegExp

org.basex.query.regex.Escape

public final class Escape
extends RegExp

Escape sequence.

Author:

BaseX Team 2005-12, BSD License, Leo Woerteler

Method Summary

Methods

Modifier and Type	Method and Description
static char[]	escape(int cp) Escapes code points for use in character ranges.
static RegExp	get(java.lang.String esc) Creates a regular expression from the given escape sequence.
static char	getCp(java.lang.String single) Gets the character escaped by the given single escape.
static RegExp[]	inGroup(java.lang.String esc) Translates the given escape into character ranges if possible.

Methods inherited from class org.basex.query.regex.RegExp

toString

Methods inherited from class java.lang.Object

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

Method Detail

get

public static RegExp get(java.lang.String esc)

Creates a regular expression from the given escape sequence.

Parameters:

esc - escape sequence

Returns:

regular expression

getCp

public static char getCp(java.lang.String single)

Gets the character escaped by the given single escape.

Parameters:

single - single-char escape sequence

Returns:

the escaped char

inGroup

public static RegExp[] inGroup(java.lang.String esc)

Translates the given escape into character ranges if possible.

Parameters:

esc - escape sequence

Returns:

array of regular expressions suitable for char groups

escape

public static char[] escape(int cp)

Escapes code points for use in character ranges.

Parameters:

cp - code point

Returns:

char representation