mirror of
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110 lines
3.5 KiB
C++
110 lines
3.5 KiB
C++
/*
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* Copyright (c) 2019-2020, Sergey Bugaev <bugaevc@serenityos.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <AK/ByteBuffer.h>
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#include <AK/String.h>
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#include <LibCore/ArgsParser.h>
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#include <LibCore/File.h>
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#include <LibMarkdown/MDDocument.h>
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#include <stdio.h>
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#include <unistd.h>
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int main(int argc, char* argv[])
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{
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if (pledge("stdio rpath", nullptr) < 0) {
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perror("pledge");
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return 1;
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}
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if (unveil("/usr/share/man", "r") < 0) {
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perror("unveil");
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return 1;
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}
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unveil(nullptr, nullptr);
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const char* section = nullptr;
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const char* name = nullptr;
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Core::ArgsParser args_parser;
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args_parser.add_positional_argument(section, "Section of the man page", "section", Core::ArgsParser::Required::No);
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args_parser.add_positional_argument(name, "Name of the man page", "name");
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args_parser.parse(argc, argv);
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auto make_path = [name](const char* section) {
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return String::format("/usr/share/man/man%s/%s.md", section, name);
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};
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if (!section) {
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const char* sections[] = {
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"1",
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"2",
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"3",
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"4",
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"5",
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"6",
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"7",
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"8"
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};
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for (auto s : sections) {
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String path = make_path(s);
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if (access(path.characters(), R_OK) == 0) {
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section = s;
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break;
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}
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}
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if (!section) {
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fprintf(stderr, "No man page for %s\n", name);
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exit(1);
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}
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}
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auto file = Core::File::construct();
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file->set_filename(make_path(section));
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if (!file->open(Core::IODevice::OpenMode::ReadOnly)) {
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perror("Failed to open man page file");
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exit(1);
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}
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if (pledge("stdio", nullptr) < 0) {
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perror("pledge");
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return 1;
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}
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dbg() << "Loading man page from " << file->filename();
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auto buffer = file->read_all();
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auto source = String::copy(buffer);
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printf("%s(%s)\t\tSerenityOS manual\n", name, section);
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MDDocument document;
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bool success = document.parse(source);
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ASSERT(success);
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String rendered = document.render_for_terminal();
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printf("%s", rendered.characters());
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}
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