jcs.org
Serenity Operating System
1/*
2 * Copyright (c) 2021, ry755 <ryanst755@gmail.com>
3 * Copyright (c) 2022, the SerenityOS developers.
4 *
5 * SPDX-License-Identifier: BSD-2-Clause
6 */
7
8#include "FileArgument.h"
9#include <LibRegex/Regex.h>
10
11namespace TextEditor {
12
13FileArgument::FileArgument(String file_argument)
14{
15 m_line = {};
16 m_column = {};
17
18 // A file doesn't exist with the full specified name, maybe the user entered
19 // line/column coordinates?
20 Regex<PosixExtended> re("^(.+?)(?::([0-9]+))?(?::([0-9]+))?$");
21 RegexResult result = match(file_argument, re,
22 PosixFlags::Global | PosixFlags::Multiline | PosixFlags::Ungreedy);
23 auto& groups = result.capture_group_matches.at(0);
24
25 // Match 0 group 0: file name
26 // Match 0 group 1: line number
27 // Match 0 group 2: column number
28 if (groups.size() > 2) {
29 // Both a line and column number were specified.
30 auto filename = groups.at(0).view.to_string().release_value_but_fixme_should_propagate_errors();
31 auto initial_line_number = groups.at(1).view.to_string().release_value_but_fixme_should_propagate_errors().to_number<int>();
32 auto initial_column_number = groups.at(2).view.to_string().release_value_but_fixme_should_propagate_errors().to_number<int>();
33
34 m_filename = filename;
35 if (initial_line_number.has_value() && initial_line_number.value() > 0)
36 m_line = initial_line_number.value();
37 if (initial_column_number.has_value())
38 m_column = initial_column_number.value();
39 } else if (groups.size() == 2) {
40 // Only a line number was specified.
41 auto filename = groups.at(0).view.to_string().release_value_but_fixme_should_propagate_errors();
42 auto initial_line_number = groups.at(1).view.to_string().release_value_but_fixme_should_propagate_errors().to_number<int>();
43
44 m_filename = filename;
45 if (initial_line_number.has_value() && initial_line_number.value() > 0)
46 m_line = initial_line_number.value();
47 } else {
48 // A colon was found at the end of the file name but no values were found
49 // after it.
50 m_filename = groups.at(0).view.to_string().release_value_but_fixme_should_propagate_errors();
51 }
52}
53}