+++ /dev/null
-/*
- * gnu/regexp/CharIndexedStringBuffer.java
- * Copyright (C) 1998-2001 Wes Biggs
- *
- * This library is free software; you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License as published
- * by the Free Software Foundation; either version 2.1 of the License, or
- * (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-package gnu.regexp;
-import java.io.Serializable;
-
-class CharIndexedStringBuffer implements CharIndexed, Serializable {
- private StringBuffer s;
- private int anchor;
-
- CharIndexedStringBuffer(StringBuffer str, int index) {
- s = str;
- anchor = index;
- }
-
- public char charAt(int index) {
- int pos = anchor + index;
- return ((pos < s.length()) && (pos >= 0)) ? s.charAt(pos) : OUT_OF_BOUNDS;
- }
-
- public boolean isValid() {
- return (anchor < s.length());
- }
-
- public boolean move(int index) {
- return ((anchor += index) < s.length());
- }
-}