1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
|
/*
* Copyright (c) 2019-2020, Sergey Bugaev <bugaevc@serenityos.org>
* Copyright (c) 2021, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2021, Sam Atkins <atkinssj@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "MainWidget.h"
#include <AK/URL.h>
#include <LibCore/ArgsParser.h>
#include <LibCore/System.h>
#include <LibGUI/Application.h>
#include <LibGUI/Icon.h>
#include <LibGUI/Window.h>
#include <LibMain/Main.h>
using namespace Help;
static DeprecatedString parse_input(StringView input)
{
AK::URL url = URL::create_with_url_or_path(input);
if (url.is_valid())
return url.basename();
return input;
}
ErrorOr<int> serenity_main(Main::Arguments arguments)
{
TRY(Core::System::pledge("stdio recvfd sendfd rpath unix"));
auto app = TRY(GUI::Application::try_create(arguments));
TRY(Core::System::unveil("/sys/kernel/processes", "r"));
TRY(Core::System::unveil("/res", "r"));
// We specifically don't want to load this path from a library, as that can be hijacked with LD_PRELOAD.
TRY(Core::System::unveil("/usr/share/man", "r"));
TRY(Core::System::unveil("/tmp/session/%sid/portal/filesystemaccess", "rw"));
TRY(Core::System::unveil("/tmp/session/%sid/portal/launch", "rw"));
TRY(Core::System::unveil("/tmp/session/%sid/portal/webcontent", "rw"));
TRY(Core::System::unveil(nullptr, nullptr));
DeprecatedString start_page;
u32 section = 0;
Core::ArgsParser args_parser;
// FIXME: These custom Args are a hack. What we want to do is have an optional int arg, then an optional string.
// However, when only a string is provided, it gets forwarded to the int argument since that is first, and
// parsing fails. This hack instead forwards it to the start_page in that case.
args_parser.add_positional_argument(Core::ArgsParser::Arg {
.help_string = "Section of the man page",
.name = "section",
.min_values = 0,
.max_values = 1,
.accept_value = [&](char const* input_ptr) {
StringView input { input_ptr, strlen(input_ptr) };
// If it's a number, use it as the section
if (auto number = input.to_int(); number.has_value()) {
section = number.value();
return true;
}
// Otherwise, use it as the start_page
start_page = parse_input(input);
return true;
} });
args_parser.add_positional_argument(Core::ArgsParser::Arg {
.help_string = "Help page to open. Either an absolute path to the markdown file, or a search query",
.name = "page",
.min_values = 0,
.max_values = 1,
.accept_value = [&](char const* input_ptr) {
StringView input { input_ptr, strlen(input_ptr) };
// If start_page was already set by our section arg, then it can't be set again
if (!start_page.is_empty())
return false;
start_page = parse_input(input);
return true;
} });
args_parser.parse(arguments);
auto app_icon = GUI::Icon::default_icon("app-help"sv);
auto window = TRY(GUI::Window::try_create());
window->set_icon(app_icon.bitmap_for_size(16));
window->set_title("Help");
window->resize(570, 500);
auto main_widget = TRY(window->try_set_main_widget<MainWidget>());
TRY(main_widget->initialize_fallibles(window));
TRY(main_widget->set_start_page(start_page, section));
window->show();
return app->exec();
}
|
