77 lines
2.5 KiB
Java
77 lines
2.5 KiB
Java
/*
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* Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package propertiesparser.parser;
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import java.util.regex.Pattern;
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/**
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* A line of text within the message file.
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* The lines form a doubly linked list for simple navigation.
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*/
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public class MessageLine {
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static final Pattern emptyOrCommentPattern = Pattern.compile("( *#.*)?");
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static final Pattern typePattern = Pattern.compile("[-\\\\'A-Z\\.a-z ]+( \\([-A-Za-z 0-9]+\\))?");
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static final Pattern infoPattern = Pattern.compile(String.format("# ([0-9]+: %s, )*[0-9]+: %s",
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typePattern.pattern(), typePattern.pattern()));
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public String text;
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MessageLine prev;
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MessageLine next;
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MessageLine(String text) {
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this.text = text;
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}
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public boolean isEmptyOrComment() {
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return emptyOrCommentPattern.matcher(text).matches();
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}
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public boolean isInfo() {
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return infoPattern.matcher(text).matches();
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}
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boolean hasContinuation() {
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return (next != null) && text.endsWith("\\");
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}
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MessageLine append(String text) {
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MessageLine l = new MessageLine(text);
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append(l);
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return l;
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}
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void append(MessageLine l) {
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assert l.prev == null && l.next == null;
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l.prev = this;
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l.next = next;
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if (next != null) {
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next.prev = l;
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}
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next = l;
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}
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}
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