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Utilities: Add basic Package manager skeleton utility

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Liav A 2023-05-20 23:04:43 +03:00 • committed by Andrew Kaster
parent 22737b70bc
commit ccaa423372
9 changed files with 473 additions and 0 deletions
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56
Userland/Utilities/pkg/InstalledPort.cpp Normal file
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/*
* Copyright (c) 2023, Liav A. <liavalb@hotmail.co.il>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "InstalledPort.h"
#include <AK/Function.h>
#include <LibCore/File.h>
#include <LibCore/System.h>
ErrorOr<HashMap<String, InstalledPort>> InstalledPort::read_ports_database()
{
auto file = TRY(Core::File::open("/usr/Ports/installed.db"sv, Core::File::OpenMode::Read));
auto buffered_file = TRY(Core::InputBufferedFile::create(move(file)));
auto buffer = TRY(ByteBuffer::create_uninitialized(PAGE_SIZE));
HashMap<String, InstalledPort> ports;
while (TRY(buffered_file->can_read_line())) {
auto line = TRY(buffered_file->read_line(buffer));
if (line.is_empty()) {
continue;
} else if (line.starts_with("dependency"sv)) {
auto parts = line.split_view(' ');
VERIFY(parts.size() == 3);
auto type = InstalledPort::Type::Dependency;
// FIXME: Add versioning when printing these ports!
auto name = TRY(String::from_utf8(parts[2]));
TRY(ports.try_set(name, InstalledPort { TRY(String::from_utf8(parts[2])), type, TRY(String::from_utf8(""sv)) }));
} else if (line.starts_with("auto"sv)) {
auto parts = line.split_view(' ');
VERIFY(parts.size() == 3);
auto type = InstalledPort::Type::Auto;
auto name = TRY(String::from_utf8(parts[1]));
TRY(ports.try_set(name, InstalledPort { name, type, TRY(String::from_utf8(parts[2])) }));
} else if (line.starts_with("manual"sv)) {
auto parts = line.split_view(' ');
VERIFY(parts.size() == 3);
auto type = InstalledPort::Type::Manual;
auto name = TRY(String::from_utf8(parts[1]));
TRY(ports.try_set(name, InstalledPort { name, type, TRY(String::from_utf8(parts[2])) }));
} else {
return Error::from_string_literal("Unknown installed port type");
}
}
return ports;
}
ErrorOr<void> InstalledPort::for_each_by_type(HashMap<String, InstalledPort>& ports_database, InstalledPort::Type type, Function<ErrorOr<void>(InstalledPort const&)> callback)
{
for (auto& port : ports_database) {
if (type == port.value.type())
TRY(callback(port.value));
}
return {};
}