1 /*******************************************************************************
2 * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$)
3 * Copyright (C) $(date) The Jalview Authors
5 * This file is part of Jalview.
7 * Jalview is free software: you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation, either version 3
10 * of the License, or (at your option) any later version.
12 * Jalview is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty
14 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR
15 * PURPOSE. See the GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with Jalview. If not, see <http://www.gnu.org/licenses/>.
19 * The Jalview Authors are detailed in the 'AUTHORS' file.
20 *******************************************************************************/
22 // This software is now distributed according to
23 // the Lesser Gnu Public License. Please see
24 // http://www.gnu.org/copyleft/lesser.txt for
26 // -- Happy Computing!
28 package com.stevesoft.pat;
31 * This method implements the pattern elements $1, $2, etc in a substitution
32 * rule. The apply(StringBufferLike sb,RegRes rr) method of this ReplaceRule
33 * simply appends the contents of rr.stringMatched(n), where n is the integer
34 * supplied to the constructor.
36 public class BackRefRule extends ReplaceRule
40 public BackRefRule(int n)
45 public void apply(StringBufferLike sb, RegRes res)
47 String x = res.stringMatched(n);
48 sb.append(x == null ? "" : x);
51 public String toString1()
56 public Object clone1()
58 return new BackRefRule(n);