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