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/*
* Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code 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 General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package propertiesparser.parser;
import java.util.regex.Pattern;
/**
* A line of text within the message file.
* The lines form a doubly linked list for simple navigation.
*/
public class MessageLine {
static final Pattern emptyOrCommentPattern = Pattern.compile("( *#.*)?");
static final Pattern typePattern = Pattern.compile("[-\\\\'A-Z\\.a-z ]+( \\([A-Za-z 0-9]+\\))?");
static final Pattern infoPattern = Pattern.compile(String.format("# ([0-9]+: %s, )*[0-9]+: %s",
typePattern.pattern(), typePattern.pattern()));
public String text;
MessageLine prev;
MessageLine next;
MessageLine(String text) {
this.text = text;
}
public boolean isEmptyOrComment() {
return emptyOrCommentPattern.matcher(text).matches();
}
public boolean isInfo() {
return infoPattern.matcher(text).matches();
}
boolean hasContinuation() {
return (next != null) && text.endsWith("\\");
}
MessageLine append(String text) {
MessageLine l = new MessageLine(text);
append(l);
return l;
}
void append(MessageLine l) {
assert l.prev == null && l.next == null;
l.prev = this;
l.next = next;
if (next != null) {
next.prev = l;
}
next = l;
}
}
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