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Serenity Operating System
1/*
2 * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright notice, this
9 * list of conditions and the following disclaimer.
10 *
11 * 2. Redistributions in binary form must reproduce the above copyright notice,
12 * this list of conditions and the following disclaimer in the documentation
13 * and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
18 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
21 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
22 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
23 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#pragma once
28
29#include <AK/LogStream.h>
30#include <AK/String.h>
31
32namespace GUI {
33
34class TextPosition {
35public:
36 TextPosition() {}
37 TextPosition(size_t line, size_t column)
38 : m_line(line)
39 , m_column(column)
40 {
41 }
42
43 bool is_valid() const { return m_line != 0xffffffffu && m_column != 0xffffffffu; }
44
45 size_t line() const { return m_line; }
46 size_t column() const { return m_column; }
47
48 void set_line(size_t line) { m_line = line; }
49 void set_column(size_t column) { m_column = column; }
50
51 bool operator==(const TextPosition& other) const { return m_line == other.m_line && m_column == other.m_column; }
52 bool operator!=(const TextPosition& other) const { return m_line != other.m_line || m_column != other.m_column; }
53 bool operator<(const TextPosition& other) const { return m_line < other.m_line || (m_line == other.m_line && m_column < other.m_column); }
54
55private:
56 size_t m_line { 0xffffffff };
57 size_t m_column { 0xffffffff };
58};
59
60inline const LogStream& operator<<(const LogStream& stream, const TextPosition& value)
61{
62 if (!value.is_valid())
63 return stream << "GTextPosition(Invalid)";
64 return stream << String::format("(%zu,%zu)", value.line(), value.column());
65}
66
67}