1 /*
 2  * Copyright (c) 2024, 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 package hat.tools.textmodel.tokens;
26 
27 public interface Pos extends LineCol {
28     char[] text();
29 
30     int textOffset();
31 
32 
33     default int delta(Pos earlier) {
34         return textOffset() - earlier.textOffset();
35     }
36 
37      class Impl implements Pos {
38         @Override
39         public char[] text() {
40             return text;
41         }
42 
43         @Override
44         public int textOffset() {
45             return textOffset;
46         }
47 
48         @Override
49         public int line() {
50             return line;
51         }
52 
53         @Override
54         public int col() {
55             return col;
56         }
57 
58         char[] text;
59         int textOffset;
60         int line;
61         int col;
62 
63         public Impl(char[] text, int textOffset, int line, int col) {
64             this.text = text;
65             this.textOffset = textOffset;
66             this.line = line;
67             this.col = col;
68         }
69 
70         public Impl(Pos pos) {
71             this(pos.text(), pos.textOffset(), pos.line(), pos.col());
72         }
73     }
74 
75 }