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/*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/.
*/
#include <fstream>
#include <boost/algorithm/string.hpp>
#include "katja/sbo.hpp"
namespace katja
{
info_file::info_file(const std::string& program_name, const std::string& version,
const std::string homepage, const std::string& email, const std::string& maintainer)
: program_name(program_name), version(version), homepage(homepage), email(email), maintainer(maintainer)
{
}
bool trim_info_line(std::string& info_value)
{
if (boost::algorithm::ends_with(info_value, "\""))
{
info_value.pop_back();
return false;
}
else if (boost::algorithm::ends_with(info_value, "\\"))
{
info_value.pop_back();
return true;
}
return false;
}
std::optional<info_file> read_slackbuild_info(const std::filesystem::path& info_filepath)
{
std::ifstream info_stream{ info_filepath };
std::string info_line, info_variable, info_value;
std::string program_name, version, homepage, email, maintainer;
std::vector<std::string> download, md5sum, download_x86_64, md5sum_x86_64, requires;
bool continuation{ false };
while (std::getline(info_stream, info_line))
{
if (info_line.empty())
{
continue;
}
else if (!continuation)
{
auto equals_position = std::find(info_line.cbegin(), info_line.cend(), '=');
info_variable = std::string(info_line.cbegin(), equals_position);
if (equals_position == info_line.cend()
|| ++equals_position == info_line.cend() || *equals_position != '"')
{
return std::nullopt;
}
info_value = std::string(std::next(equals_position), info_line.cend());
}
else
{
info_value += info_line;
}
continuation = trim_info_line(info_value);
if (!continuation)
{
if (info_variable == "PRGNAM")
{
std::swap(program_name, info_value);
}
else if (info_variable == "VERSION")
{
std::swap(version, info_value);
}
else if (info_variable == "HOMEPAGE")
{
std::swap(homepage, info_value);
}
else if (info_variable == "EMAIL")
{
std::swap(email, info_value);
}
else if (info_variable == "MAINTAINER")
{
std::swap(maintainer, info_value);
}
else if (info_variable == "DOWNLOAD")
{
boost::split(download, info_value, boost::is_any_of(" "), boost::token_compress_on);
}
else if (info_variable == "MD5SUM")
{
boost::split(md5sum, info_value, boost::is_any_of(" "), boost::token_compress_on);
}
else if (info_variable == "DOWNLOAD_x86_64")
{
boost::split(download_x86_64, info_value, boost::is_any_of(" "), boost::token_compress_on);
}
else if (info_variable == "MD5SUM_x86_64")
{
boost::split(md5sum_x86_64, info_value, boost::is_any_of(" "), boost::token_compress_on);
}
else if (info_variable == "REQUIRES")
{
boost::split(requires, info_value, boost::is_any_of(" "), boost::token_compress_on);
}
}
}
return std::make_optional<info_file>(program_name, version, homepage, email, maintainer);
}
void search_for_slackbuilds(std::vector<info_file>& info_files, const std::filesystem::path& directory)
{
for (const auto& entry : std::filesystem::directory_iterator(directory))
{
std::filesystem::path entry_path = entry;
std::filesystem::path info_filename = entry_path.filename();
info_filename.replace_extension(".info");
std::filesystem::path info_filepath = entry_path / info_filename;
if (std::filesystem::exists(info_filepath))
{
auto slackbuild_info = read_slackbuild_info(info_filepath);
if (slackbuild_info.has_value())
{
info_files.emplace_back(std::move(slackbuild_info.value()));
}
}
else if (std::filesystem::is_directory(entry_path))
{
search_for_slackbuilds(info_files, entry_path);
}
}
}
}
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