1/*
2 * Copyright (c) 2015, 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
26package jdk.jshell;
27
28/**
29 * Common interface for all wrappings of snippet source to Java source.
30 *
31 * @author Robert Field
32 */
33interface GeneralWrap {
34
35    String wrapped();
36
37    int snippetIndexToWrapIndex(int sni);
38
39    int wrapIndexToSnippetIndex(int wi);
40
41    default int wrapIndexToSnippetIndex(long wi) {
42        return wrapIndexToSnippetIndex((int) wi);
43    }
44
45    int firstSnippetIndex();
46
47    int lastSnippetIndex();
48
49    int snippetLineToWrapLine(int snline);
50
51    int wrapLineToSnippetLine(int wline);
52
53    int firstSnippetLine();
54
55    int lastSnippetLine();
56
57    default String debugPos(long lpos) {
58        int pos = (int) lpos;
59        int len = wrapped().length();
60        return wrapped().substring(Math.max(0, pos - 10), Math.max(0, Math.min(len, pos)))
61                + "###"
62                + wrapped().substring(Math.max(0, Math.min(len, pos)), Math.max(0, Math.min(len, pos + 10)));
63    }
64}
65