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;
32 /** The '^' or the '\A' Pattern, matches the start of a string. */
33 class Start extends Pattern
42 public int matchInternal(int pos, Pthings pt)
44 if (retIsStart && pt.mFlag && pos > 0 && pt.src.charAt(pos - 1) == '\n')
46 return nextMatch(pos, pt);
50 return nextMatch(pos, pt);
55 public String toString()
59 return "^" + nextString();
63 return "\\A" + nextString();
67 public patInt maxChars()
72 Pattern clone1(Hashtable h)
74 return new Start(retIsStart);