ladybird/Userland/Applications/TextEditor/FileArgument.cpp
2023-02-17 16:32:02 +00:00

54 lines
2.2 KiB
C++

/*
* Copyright (c) 2021, ry755 <ryanst755@gmail.com>
* Copyright (c) 2022, the SerenityOS developers.
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "FileArgument.h"
#include <LibRegex/Regex.h>
namespace TextEditor {
FileArgument::FileArgument(String file_argument)
{
m_line = {};
m_column = {};
// A file doesn't exist with the full specified name, maybe the user entered
// line/column coordinates?
Regex<PosixExtended> re("^(.+?)(?::([0-9]+))?(?::([0-9]+))?$");
RegexResult result = match(file_argument, re,
PosixFlags::Global | PosixFlags::Multiline | PosixFlags::Ungreedy);
auto& groups = result.capture_group_matches.at(0);
// Match 0 group 0: file name
// Match 0 group 1: line number
// Match 0 group 2: column number
if (groups.size() > 2) {
// Both a line and column number were specified.
auto filename = groups.at(0).view.to_string().release_value_but_fixme_should_propagate_errors();
auto initial_line_number = groups.at(1).view.to_string().release_value_but_fixme_should_propagate_errors().to_number<int>();
auto initial_column_number = groups.at(2).view.to_string().release_value_but_fixme_should_propagate_errors().to_number<int>();
m_filename = filename;
if (initial_line_number.has_value() && initial_line_number.value() > 0)
m_line = initial_line_number.value();
if (initial_column_number.has_value())
m_column = initial_column_number.value();
} else if (groups.size() == 2) {
// Only a line number was specified.
auto filename = groups.at(0).view.to_string().release_value_but_fixme_should_propagate_errors();
auto initial_line_number = groups.at(1).view.to_string().release_value_but_fixme_should_propagate_errors().to_number<int>();
m_filename = filename;
if (initial_line_number.has_value() && initial_line_number.value() > 0)
m_line = initial_line_number.value();
} else {
// A colon was found at the end of the file name but no values were found
// after it.
m_filename = groups.at(0).view.to_string().release_value_but_fixme_should_propagate_errors();
}
}
}