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;
30 import java.util.Hashtable;
33 * This class implements the (?@<>) syntax that matches a balanced parenthesis.
36 class Group extends Pattern
40 Group(char opi, char cli)
46 public int matchInternal(int pos, Pthings pt)
49 if (pos < pt.src.length())
51 if (!Masked(pos, pt) && pt.src.charAt(pos) != op)
56 for (i = pos + 1; i < pt.src.length(); i++)
58 char c = pt.src.charAt(i);
59 boolean b = !Masked(i, pt);
72 return nextMatch(i + 1, pt);
83 public String toString()
85 return "(?@" + op + cl + ")" + nextString();
88 public patInt minChars()
93 Pattern clone1(Hashtable h)
95 return new Group(op, cl);