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ad6a55e1f0
This is a first step in deduplicating code within and across Help and man. Because LibManual also doesn't contain any DeprecatedString, some adjustments to Help's string handling is included, just to interoperate with LibManual better. Further work in this area mostly requires String APIs in LibGUI.
95 lines
3.3 KiB
C++
95 lines
3.3 KiB
C++
/*
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* Copyright (c) 2019-2020, Sergey Bugaev <bugaevc@serenityos.org>
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* Copyright (c) 2021, Andreas Kling <kling@serenityos.org>
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* Copyright (c) 2021, Sam Atkins <atkinssj@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include "MainWidget.h"
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#include <AK/URL.h>
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#include <LibCore/ArgsParser.h>
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#include <LibCore/System.h>
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#include <LibGUI/Application.h>
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#include <LibGUI/Icon.h>
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#include <LibGUI/Window.h>
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#include <LibMain/Main.h>
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using namespace Help;
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static DeprecatedString parse_input(StringView input)
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{
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AK::URL url(input);
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if (url.is_valid())
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return url.basename();
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return input;
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}
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ErrorOr<int> serenity_main(Main::Arguments arguments)
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{
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TRY(Core::System::pledge("stdio recvfd sendfd rpath unix"));
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auto app = TRY(GUI::Application::try_create(arguments));
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TRY(Core::System::unveil("/sys/kernel/processes", "r"));
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TRY(Core::System::unveil("/res", "r"));
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TRY(Core::System::unveil("/usr/share/man", "r"));
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TRY(Core::System::unveil("/tmp/session/%sid/portal/filesystemaccess", "rw"));
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TRY(Core::System::unveil("/tmp/session/%sid/portal/launch", "rw"));
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TRY(Core::System::unveil("/tmp/session/%sid/portal/webcontent", "rw"));
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TRY(Core::System::unveil(nullptr, nullptr));
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DeprecatedString start_page;
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u32 section = 0;
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Core::ArgsParser args_parser;
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// FIXME: These custom Args are a hack. What we want to do is have an optional int arg, then an optional string.
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// However, when only a string is provided, it gets forwarded to the int argument since that is first, and
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// parsing fails. This hack instead forwards it to the start_page in that case.
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args_parser.add_positional_argument(Core::ArgsParser::Arg {
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.help_string = "Section of the man page",
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.name = "section",
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.min_values = 0,
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.max_values = 1,
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.accept_value = [&](char const* input_ptr) {
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StringView input { input_ptr, strlen(input_ptr) };
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// If it's a number, use it as the section
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if (auto number = input.to_int(); number.has_value()) {
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section = number.value();
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return true;
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}
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// Otherwise, use it as the start_page
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start_page = parse_input(input);
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return true;
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} });
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args_parser.add_positional_argument(Core::ArgsParser::Arg {
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.help_string = "Help page to open. Either an absolute path to the markdown file, or a search query",
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.name = "page",
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.min_values = 0,
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.max_values = 1,
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.accept_value = [&](char const* input_ptr) {
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StringView input { input_ptr, strlen(input_ptr) };
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// If start_page was already set by our section arg, then it can't be set again
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if (start_page.is_empty())
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return false;
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start_page = parse_input(input);
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return true;
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} });
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args_parser.parse(arguments);
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auto app_icon = GUI::Icon::default_icon("app-help"sv);
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auto window = TRY(GUI::Window::try_create());
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window->set_icon(app_icon.bitmap_for_size(16));
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window->set_title("Help");
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window->resize(570, 500);
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auto main_widget = TRY(window->try_set_main_widget<MainWidget>());
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TRY(main_widget->initialize_fallibles(window));
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TRY(main_widget->set_start_page(start_page, section));
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window->show();
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return app->exec();
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}
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