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#include <filesystem>
#include <vector>
#include <fstream>
#include <format>
#include <utility>
#include <ryml.hpp>
#include <ryml_std.hpp>
#include <mw/error.hpp>
#include "config.hpp"
namespace {
mw::E<std::vector<char>> readFile(const std::filesystem::path& path)
{
std::ifstream f(path, std::ios::binary);
std::vector<char> content;
content.reserve(102400);
content.assign(std::istreambuf_iterator<char>(f),
std::istreambuf_iterator<char>());
if(f.bad() || f.fail())
{
return std::unexpected(mw::runtimeError(
std::format("Failed to read file {}", path.string())));
}
return content;
}
} // namespace
mw::E<Configuration> Configuration::fromYaml(const std::filesystem::path& path)
{
auto buffer = readFile(path);
if(!buffer.has_value())
{
return std::unexpected(buffer.error());
}
ryml::Tree tree = ryml::parse_in_place(ryml::to_substr(*buffer));
Configuration config;
if(tree["listen-address"].readable())
{
tree["listen-address"] >> config.listen_address;
}
if(tree["listen-port"].readable())
{
tree["listen-port"] >> config.listen_port;
}
if(tree["socket-user"].readable())
{
tree["socket-user"] >> config.socket_user;
}
if(tree["socket-group"].readable())
{
tree["socket-group"] >> config.socket_group;
}
if(tree["socket-permission"].readable())
{
tree["socket-permission"] >> config.socket_permission;
}
if(tree["base-url"].readable())
{
tree["base-url"] >> config.base_url;
}
if(tree["data-dir"].readable())
{
tree["data-dir"] >> config.data_dir;
}
if(tree["openid-url-prefix"].readable())
{
tree["openid-url-prefix"] >> config.openid_url_prefix;
}
if(tree["client-id"].readable())
{
tree["client-id"] >> config.client_id;
}
if(tree["client-secret"].readable())
{
tree["client-secret"] >> config.client_secret;
}
return mw::E<Configuration>{std::in_place, std::move(config)};
}
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