151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski/* 251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Copyright (c) 2010, 2011, Oracle and/or its affiliates. All rights reserved. 351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * This code is free software; you can redistribute it and/or modify it 651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * under the terms of the GNU General Public License version 2 only, as 751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * published by the Free Software Foundation. Oracle designates this 851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * particular file as subject to the "Classpath" exception as provided 951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * by Oracle in the LICENSE file that accompanied this code. 1051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 1151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * This code is distributed in the hope that it will be useful, but WITHOUT 1251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 1351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 1451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * version 2 for more details (a copy is included in the LICENSE file that 1551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * accompanied this code). 1651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 1751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * You should have received a copy of the GNU General Public License version 1851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 2 along with this work; if not, write to the Free Software Foundation, 1951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 2051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 2151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 2251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * or visit www.oracle.com if you need additional information or have any 2351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * questions. 2451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 2551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski/* 2651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski ******************************************************************************* 2751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Copyright (C) 2009, International Business Machines Corporation and * 2851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * others. All Rights Reserved. * 2951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski ******************************************************************************* 3051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 3151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebskipackage sun.util.locale; 3251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 3351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebskipublic class StringTokenIterator { 3451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private String text; 3551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private String dlms; // null if a single char delimiter 3651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private char delimiterChar; // delimiter if a single char delimiter 3751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 3851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private String token; 3951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private int start; 4051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private int end; 4151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private boolean done; 4251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 4351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski public StringTokenIterator(String text, String dlms) { 4451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski this.text = text; 4551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (dlms.length() == 1) { 4651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski delimiterChar = dlms.charAt(0); 4751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } else { 4851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski this.dlms = dlms; 4951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 5051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski setStart(0); 5151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 5251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 5351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski public String first() { 5451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski setStart(0); 5551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return token; 5651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 5751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 5851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski public String current() { 5951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return token; 6051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 6151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 6251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski public int currentStart() { 6351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return start; 6451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 6551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 6651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski public int currentEnd() { 6751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return end; 6851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 6951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 7051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski public boolean isDone() { 7151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return done; 7251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 7351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 7451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski public String next() { 7551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (hasNext()) { 7651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski start = end + 1; 7751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski end = nextDelimiter(start); 7851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski token = text.substring(start, end); 7951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } else { 8051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski start = end; 8151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski token = null; 8251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski done = true; 8351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 8451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return token; 8551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 8651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 8751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski public boolean hasNext() { 8851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return (end < text.length()); 8951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 9051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 9151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski public StringTokenIterator setStart(int offset) { 9251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (offset > text.length()) { 9351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throw new IndexOutOfBoundsException(); 9451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 9551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski start = offset; 9651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski end = nextDelimiter(start); 9751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski token = text.substring(start, end); 9851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski done = false; 9951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return this; 10051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 10151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 10251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski public StringTokenIterator setText(String text) { 10351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski this.text = text; 10451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski setStart(0); 10551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return this; 10651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 10751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 10851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private int nextDelimiter(int start) { 10951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski int textlen = this.text.length(); 11051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (dlms == null) { 11151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski for (int idx = start; idx < textlen; idx++) { 11251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (text.charAt(idx) == delimiterChar) { 11351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return idx; 11451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 11551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 11651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } else { 11751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski int dlmslen = dlms.length(); 11851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski for (int idx = start; idx < textlen; idx++) { 11951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski char c = text.charAt(idx); 12051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski for (int i = 0; i < dlmslen; i++) { 12151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (c == dlms.charAt(i)) { 12251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return idx; 12351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 12451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 12551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 12651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 12751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return textlen; 12851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 12951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski} 130