1 /* 2 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package propertiesparser.parser; 27 28 import java.util.regex.Pattern; 29 30 /** 31 * A line of text within the message file. 32 * The lines form a doubly linked list for simple navigation. 33 */ 34 public class MessageLine { 35 36 static final Pattern emptyOrCommentPattern = Pattern.compile("( *#.*)?"); 37 static final Pattern typePattern = Pattern.compile("[-\\\\'A-Z\\.a-z ]+( \\([-A-Za-z 0-9]+\\))?"); 38 static final Pattern infoPattern = Pattern.compile(String.format("# ([0-9]+: %s, )*[0-9]+: %s", 39 typePattern.pattern(), typePattern.pattern())); 40 41 public String text; 42 MessageLine prev; 43 MessageLine next; 44 MessageLine(String text)45 MessageLine(String text) { 46 this.text = text; 47 } 48 isEmptyOrComment()49 public boolean isEmptyOrComment() { 50 return emptyOrCommentPattern.matcher(text).matches(); 51 } 52 isInfo()53 public boolean isInfo() { 54 return infoPattern.matcher(text).matches(); 55 } 56 hasContinuation()57 boolean hasContinuation() { 58 return (next != null) && text.endsWith("\\"); 59 } 60 append(String text)61 MessageLine append(String text) { 62 MessageLine l = new MessageLine(text); 63 append(l); 64 return l; 65 } 66 append(MessageLine l)67 void append(MessageLine l) { 68 assert l.prev == null && l.next == null; 69 l.prev = this; 70 l.next = next; 71 if (next != null) { 72 next.prev = l; 73 } 74 next = l; 75 } 76 } 77