project: restructure libraries and build env

11 files changed, 0 insertions, 835 deletions

diff --git a/source/lib/src/command.cpp b/source/lib/src/command.cpp
deleted file mode 100644
index 83c6b73..0000000
--- a/source/lib/src/command.cpp
+++ /dev/null
@@ -1,47 +0,0 @@
-#include "wanda/command.hpp"
-
-namespace wanda
-{
-  std::optional<message> command::message() const
-  {
-    using namespace std::string_literals;
-    auto const command = [this] {
-      switch (id)
-      {
-        case command_id::change:
-          return "CHANGE"s;
-        default:
-          return ""s;
-      }
-    }();
-
-    auto argument_string = std::string{};
-    for (int index = 0ul; index < arguments.size(); ++index)
-    {
-      argument_string += (index) ? "," + arguments[index] : arguments[index];
-    }
-
-    if (command.empty())
-    {
-      return std::nullopt;
-    }
-
-    return wanda::message{"C", command, argument_string};
-  }
-
-  std::optional<command> make_command(message message)
-  {
-    if (message.command == "CHANGE")
-    {
-      return {{command_id::change}};
-    }
-
-    return std::nullopt;
-  }
-
-  command make_change_command()
-  {
-    return {command_id::change};
-  }
-
-}  // namespace wanda
\ No newline at end of file
diff --git a/source/lib/src/commander.cpp b/source/lib/src/commander.cpp
deleted file mode 100644
index 5122b62..0000000
--- a/source/lib/src/commander.cpp
+++ /dev/null
@@ -1,77 +0,0 @@
-#include "wanda/commander.hpp"
-#include "wanda/logging.hpp"
-#include "wanda/message.hpp"
-#include "wanda/optional.hpp"
-
-#include <spdlog/fmt/ostr.h>
-
-namespace wanda
-{
-  commander::commander(asio::io_service & service, std::filesystem::path socket, listener & listener)
-      : m_service{service}
-      , m_endpoint{socket.string()}
-      , m_socket{service}
-      , m_listener{listener}
-  {
-  }
-
-  void commander::start()
-  {
-    m_socket.async_connect(m_endpoint, [&](auto const & error) {
-      if (error)
-      {
-        get_logger()->error("error while connecting to control interface: '{}'", error.message());
-      }
-      else
-      {
-        get_logger()->info("establishing connection to wanda deamon");
-        m_connection = wanda::make_control_connection(std::move(m_socket));
-        m_connection->add(this);
-        m_connection->start();
-        m_connection->send({message_source_controller, message_command_hello, message_argument_hello});
-      }
-    });
-  }
-
-  void commander::stop()
-  {
-    get_logger()->info("closing control connection");
-    m_connection->close();
-  }
-
-  void commander::send(command command)
-  {
-    using namespace wanda::std_ext;
-
-    if (!m_connection || m_connection->current_state() != control_connection::state::established)
-    {
-      get_logger()->error("tried to send command without an established connection");
-      m_listener.on_error(*this, "tried to send command without an established connection");
-      return;
-    }
-
-    with(command.message(), [&](auto const & message) { m_connection->send(message); }) ||
-        [&] { get_logger()->error("unknown command"); };
-  }
-
-  void commander::on_error(control_connection::pointer connection, std::error_code error)
-  {
-    get_logger()->error("control interface communication error: '{}'", error.message());
-  }
-
-  void commander::on_received(wanda::control_connection::pointer connection, message message)
-  {
-    if (auto state = connection->current_state(); message.command == "HELLO" && state == control_connection::state::fresh)
-    {
-      get_logger()->info("connection to wanda deamon successfully established");
-      connection->update(control_connection::state::established);
-      m_listener.on_connected(*this);
-    }
-    else
-    {
-      get_logger()->error("unexpected message: '{}'", message);
-      m_listener.on_error(*this, "unexpected message '" + static_cast<std::string>(message) + '\'');
-    }
-  }
-
-}  // namespace wanda
\ No newline at end of file
diff --git a/source/lib/src/control_connection.cpp b/source/lib/src/control_connection.cpp
deleted file mode 100644
index ace13d2..0000000
--- a/source/lib/src/control_connection.cpp
+++ /dev/null
@@ -1,120 +0,0 @@
-#include "wanda/control_connection.hpp"
-
-#include <limits>
-
-namespace wanda
-{
-  control_connection::pointer make_control_connection(control_connection::protocol::socket && socket)
-  {
-    return std::make_shared<control_connection>(control_connection::key{}, std::move(socket));
-  }
-
-  control_connection::control_connection(control_connection::key key, control_connection::protocol::socket socket)
-      : keyed{key}
-      , m_socket{std::move(socket)}
-  {
-  }
-
-  bool control_connection::add(listener * listener)
-  {
-    auto [_, inserted] = m_listeners.insert(listener);
-    return inserted;
-  }
-
-  bool control_connection::remove(listener * listener)
-  {
-    return m_listeners.erase(listener);
-  }
-
-  void control_connection::start()
-  {
-    if (m_state == state::unknown)
-    {
-      m_state = state::fresh;
-      perform_read();
-    }
-  }
-
-  void control_connection::send(message message)
-  {
-    m_output << message << '\n';
-    asio::async_write(m_socket, m_out, asio::transfer_exactly(message.size() + 1), [that = shared_from_this(), this](auto const & error, auto const length) {
-      if (error)
-      {
-        // TODO: Handle error
-      }
-      else
-      {
-        m_out.consume(length);
-      }
-    });
-  }
-
-  void control_connection::close()
-  {
-    if (auto error = std::error_code{}; m_socket.cancel(error))
-    {
-      for (auto & listener : m_listeners)
-      {
-        listener->on_error(shared_from_this(), error);
-      }
-    }
-
-    if (auto error = std::error_code{}; m_socket.close(error))
-    {
-      for (auto & listener : m_listeners)
-      {
-        listener->on_error(shared_from_this(), error);
-      }
-    }
-
-    for (auto & listener : m_listeners)
-    {
-      listener->on_close(shared_from_this());
-    }
-    m_listeners.clear();
-  }
-
-  void control_connection::update(state state)
-  {
-    m_state = state;
-  }
-
-  control_connection::state control_connection::current_state() const
-  {
-    return m_state;
-  }
-
-  void control_connection::perform_read()
-  {
-    asio::async_read_until(m_socket, m_in, '\n', [that = shared_from_this(), this](auto const & error, auto const length) {
-      if (error)
-      {
-        for (auto & listener : m_listeners)
-        {
-          listener->on_error(shared_from_this(), error);
-        }
-        close();
-      }
-      else
-      {
-        auto msg = message{};
-        m_input >> msg;
-        if (!m_input)
-        {
-          m_input.ignore(std::numeric_limits<std::streamsize>::max());
-          m_input.clear();
-        }
-        else
-        {
-          for (auto & listener : m_listeners)
-          {
-            listener->on_received(shared_from_this(), msg);
-          }
-        }
-        perform_read();
-      }
-    });
-  }
-
-}  // namespace wanda
\ No newline at end of file
diff --git a/source/lib/src/control_interface.cpp b/source/lib/src/control_interface.cpp
deleted file mode 100644
index 68005f9..0000000
--- a/source/lib/src/control_interface.cpp
+++ /dev/null
@@ -1,154 +0,0 @@
-#include "wanda/control_interface.hpp"
-#include "wanda/logging.hpp"
-#include "wanda/optional.hpp"
-
-#include <spdlog/fmt/ostr.h>
-
-#include <unistd.h>
-
-#include <algorithm>
-#include <iterator>
-#include <string>
-#include <system_error>
-#include <utility>
-
-namespace wanda
-{
-  // 'socket_deleter' implementation
-
-  socket_deleter::~socket_deleter()
-  {
-    if (std::filesystem::exists(path))
-    {
-      std::filesystem::remove(path);
-    }
-  }
-
-  // 'control_interface' implementation
-
-  control_interface::control_interface(control_interface::key key, asio::io_service & service, control_interface::protocol::endpoint endpoint, listener & listener)
-      : keyed{key}
-      , m_service{service}
-      , m_endpoint{std::move(endpoint)}
-      , m_socket{m_service}
-      , m_acceptor{m_service}
-      , m_listener{listener}
-  {
-  }
-
-  std::error_code control_interface::start()
-  {
-    if (auto error = std::error_code{}; m_acceptor.open(m_endpoint.protocol(), error))
-    {
-      return error;
-    }
-
-    if (auto error = std::error_code{}; m_acceptor.bind(m_endpoint, error))
-    {
-      return error;
-    }
-
-    if (auto error = std::error_code{}; m_acceptor.listen(128, error))
-    {
-      return error;
-    }
-    else
-    {
-      perform_accept();
-      return error;
-    }
-  }
-
-  std::error_code control_interface::shutdown()
-  {
-    for (auto & connection : m_connections)
-    {
-      connection->close();
-    }
-
-    auto error = std::error_code{};
-    return m_acceptor.close(error);
-  }
-
-  void control_interface::perform_accept()
-  {
-    m_acceptor.async_accept(m_socket, [that = shared_from_this(), this](auto const & error) {
-      if (error && error != asio::error::operation_aborted)
-      {
-        get_logger()->error("failed to accept connection because '{}'", error.message());
-      }
-      else
-      {
-        get_logger()->info("new incoming controller connection");
-        auto [connection, inserted] = m_connections.insert(make_control_connection(std::move(m_socket)));
-        if (inserted)
-        {
-          (*connection)->add(this);
-          (*connection)->start();
-        }
-        perform_accept();
-      }
-    });
-  }
-
-  void control_interface::on_close(control_connection::pointer connection)
-  {
-    if (static_cast<char>(connection->current_state()) >= static_cast<char>(control_connection::state::established))
-    {
-      get_logger()->info("controller connection closed");
-    }
-    else
-    {
-      get_logger()->info("controller connection aborted before it could be established");
-    }
-    m_connections.erase(connection);
-  }
-
-  void control_interface::on_received(control_connection::pointer connection, message message)
-  {
-    using namespace wanda::std_ext;
-
-    if (m_connections.find(connection) == m_connections.cend())
-    {
-      get_logger()->error("received message from an unknown connection");
-      return;
-    }
-
-    if (message.source != message_source_controller)
-    {
-      get_logger()->error("received a deamon message");
-      return;
-    }
-
-    if (auto state = connection->current_state(); message.command == message_command_hello && state == control_connection::state::fresh)
-    {
-      get_logger()->info("controller connection established");
-      if (message.argument.has_value())
-      {
-        get_logger()->info("remote controller version '{}'", *message.argument);
-      }
-      connection->send({message_source_daemon, message_command_hello, message_argument_hello});
-      connection->update(control_connection::state::established);
-    }
-    else
-    {
-      with(make_command(message), [&](auto const & command) {
-        m_listener.on_received(*this, command);
-      }) ||
-          [&] { get_logger()->warn("ignoring unknown message '{}'", message); };
-    }
-  }
-
-  control_interface::pointer make_interface(asio::io_service & service, std::filesystem::path socket, control_interface::listener & listener)
-  {
-    if (std::filesystem::exists(socket))
-    {
-      get_logger()->error("socket '{}' exists", socket.native());
-      return {};
-    }
-
-    control_interface::protocol::endpoint endpoint{socket.string()};
-    return std::make_shared<control_interface>(control_interface::key{}, service, std::move(endpoint), listener);
-  }
-
-}  // namespace wanda
\ No newline at end of file
diff --git a/source/lib/src/environment.cpp b/source/lib/src/environment.cpp
deleted file mode 100644
index 2f1af0a..0000000
--- a/source/lib/src/environment.cpp
+++ /dev/null
@@ -1,71 +0,0 @@
-#include "wanda/environment.hpp"
-
-#include <string>
-
-namespace wanda
-{
-  environment::environment(char const * const * env)
-  {
-    if (!env)
-    {
-      return;
-    }
-
-    std::string buffer{};
-    for (; *env != nullptr; ++env)
-    {
-      buffer = *env;
-      int split_point = buffer.find('=');
-      if (split_point != std::string::npos)
-      {
-        m_cache[buffer.substr(0, split_point)] = buffer.substr(split_point + 1);
-      }
-    }
-  }
-
-  std::string & environment::operator[](std::string const & variable)
-  {
-    return m_cache[variable];
-  }
-
-  std::string const & environment::operator[](std::string const & variable) const
-  {
-    static std::string const empty{};
-    if (auto needle = m_cache.find(variable); needle != cend())
-    {
-      return needle->second;
-    }
-    return empty;
-  }
-
-  environment::iterator environment::begin()
-  {
-    return m_cache.begin();
-  }
-
-  environment::const_iterator environment::begin() const
-  {
-    return m_cache.begin();
-  }
-
-  environment::const_iterator environment::cbegin() const
-  {
-    return m_cache.cbegin();
-  }
-
-  environment::iterator environment::end()
-  {
-    return m_cache.end();
-  }
-
-  environment::const_iterator environment::end() const
-  {
-    return m_cache.end();
-  }
-
-  environment::const_iterator environment::cend() const
-  {
-    return m_cache.cend();
-  }
-
-}  // namespace wanda
\ No newline at end of file
diff --git a/source/lib/src/filesystem.cpp b/source/lib/src/filesystem.cpp
deleted file mode 100644
index 35b6b40..0000000
--- a/source/lib/src/filesystem.cpp
+++ /dev/null
@@ -1,31 +0,0 @@
-#include "wanda/filesystem.hpp"
-
-#include <random>
-#include <ranges>
-
-namespace wanda
-{
-  std::optional<path_list> scan(std::filesystem::path source, bool(filter)(std::filesystem::path const &))
-  {
-    if (!std::filesystem::is_directory(source))
-    {
-      return std::nullopt;
-    }
-    auto entries = std::filesystem::recursive_directory_iterator{source};
-    auto result = path_list{};
-    for (auto & entry : entries | std::views::filter(filter))
-    {
-      result.push_back(entry.path());
-    }
-    return result;
-  }
-
-  std::filesystem::path random_pick(path_list const & paths)
-  {
-    static auto generator = std::mt19937{std::random_device{}()};
-    auto distribution = std::uniform_int_distribution<std::size_t>{0, paths.size() - 1};
-
-    return paths[distribution(generator)];
-  }
-
-}  // namespace wanda
\ No newline at end of file
diff --git a/source/lib/src/logging.cpp b/source/lib/src/logging.cpp
deleted file mode 100644
index 0aa7e40..0000000
--- a/source/lib/src/logging.cpp
+++ /dev/null
@@ -1,21 +0,0 @@
-#include "wanda/logging.hpp"
-
-namespace wanda
-{
-  std::function<void(spdlog::sink_ptr)> initializer = [](spdlog::sink_ptr sink) {
-    spdlog::register_logger(std::make_shared<spdlog::logger>("wanda", sink));
-    initializer = [](auto) {};
-  };
-
-  void initialize_logger(spdlog::sink_ptr sink)
-  {
-    initializer(sink);
-  }
-
-  logger_ptr get_logger()
-  {
-    initialize_logger();
-    return spdlog::get("wanda");
-  }
-
-}  // namespace wanda
\ No newline at end of file
diff --git a/source/lib/src/message.cpp b/source/lib/src/message.cpp
deleted file mode 100644
index 34930bc..0000000
--- a/source/lib/src/message.cpp
+++ /dev/null
@@ -1,75 +0,0 @@
-#include "wanda/message.hpp"
-
-#include <ios>
-#include <iterator>
-#include <sstream>
-
-namespace wanda
-{
-  message::operator std::string() const
-  {
-    std::ostringstream buffer{};
-    buffer << source
-           << ':'
-           << command;
-    if (argument.has_value())
-    {
-      buffer << ':' << *argument;
-    }
-    return buffer.str();
-  }
-
-  std::size_t message::size() const
-  {
-    return static_cast<std::string>(*this).size();
-  }
-
-  template<typename InputIt, typename OutputIt, typename UnaryPredicate>
-  OutputIt copy_until(InputIt first, InputIt last, OutputIt out, UnaryPredicate predicate)
-  {
-    while (first != last && !predicate(*first))
-    {
-      *out++ = *first++;
-    }
-    return out;
-  }
-
-  std::istream & operator>>(std::istream & in, message & message)
-  {
-    auto pos = std::istream_iterator<char>{in};
-    auto end = std::istream_iterator<char>{};
-    auto buffer = std::string{};
-
-    copy_until(pos, end, std::back_inserter(buffer), [](auto const & c) { return c == ':'; });
-    if (in.eof() || buffer.size() != 1)
-    {
-      in.setstate(std::ios_base::failbit);
-      return in;
-    }
-    message.source = buffer;
-
-    buffer.clear();
-    copy_until(++pos, end, std::back_inserter(buffer), [](auto const & c) { return c == ':'; });
-    if (in.eof())
-    {
-      in.setstate(std::ios_base::failbit);
-    }
-    message.command = buffer;
-
-    buffer.clear();
-    copy(++pos, end, std::back_inserter(buffer));
-    if (buffer.size())
-    {
-      message.argument = std::optional{std::move(buffer)};
-    }
-
-    in.clear(in.rdstate() ^ std::ios_base::failbit);
-    return in;
-  }
-
-  std::ostream & operator<<(std::ostream & out, message const & message)
-  {
-    return out << static_cast<std::string>(message);
-  }
-
-}  // namespace wanda
\ No newline at end of file
diff --git a/source/lib/src/setting.cpp b/source/lib/src/setting.cpp
deleted file mode 100644
index b3f661e..0000000
--- a/source/lib/src/setting.cpp
+++ /dev/null
@@ -1,102 +0,0 @@
-#include "wanda/setting.hpp"
-
-#include <algorithm>
-#include <type_traits>
-
-namespace wanda
-{
-  // UDL implementations
-
-  key literals::operator""_key(char const * str, std::size_t len)
-  {
-    return key{{str, len}};
-  }
-
-  std::optional<setting> literals::operator""_setting(char const * str, std::size_t len)
-  {
-    auto source = g_settings_schema_source_get_default();
-    if (!source)
-    {
-      return std::nullopt;
-    }
-
-    auto schema = g_settings_schema_source_lookup(source, str, true);
-    if (!schema)
-    {
-      return std::nullopt;
-    }
-
-    return setting{schema};
-  }
-
-  // 'setting' implementation
-
-  setting::setting(GSettingsSchema * schema)
-      : m_schema{schema, &g_settings_schema_unref}
-  {
-  }
-
-  std::optional<setting::entry> setting::operator[](key key) const
-  {
-    if (!g_settings_schema_has_key(m_schema.get(), key.get().c_str()))
-    {
-      return std::nullopt;
-    }
-
-    return setting::entry{*this, std::move(key)};
-  }
-
-  // 'setting::entry' implementation
-
-  setting::entry::entry(setting const & setting, key key)
-      : m_settings{g_settings_new(g_settings_schema_get_id(setting.m_schema.get())), &g_object_unref}
-      , m_key{key.get()}
-  {
-  }
-
-  setting::entry::value_type setting::entry::operator*() const
-  {
-    auto value = std::unique_ptr<GVariant, decltype(&g_variant_unref)>{g_settings_get_value(m_settings.get(), m_key.get().c_str()), &g_variant_unref};
-    auto raw = value.get();
-
-    if (g_variant_is_of_type(raw, G_VARIANT_TYPE_BOOLEAN))
-    {
-      return static_cast<bool>(g_variant_get_boolean(raw));
-    }
-    else if (g_variant_is_of_type(raw, G_VARIANT_TYPE_INT32))
-    {
-      return static_cast<std::int32_t>(g_variant_get_int32(raw));
-    }
-    else if (g_variant_is_of_type(raw, G_VARIANT_TYPE_INT64))
-    {
-      return static_cast<std::int64_t>(g_variant_get_int64(raw));
-    }
-    else if (g_variant_is_of_type(raw, G_VARIANT_TYPE_UINT32))
-    {
-      return static_cast<std::uint32_t>(g_variant_get_uint32(raw));
-    }
-    else if (g_variant_is_of_type(raw, G_VARIANT_TYPE_UINT64))
-    {
-      return static_cast<std::uint64_t>(g_variant_get_uint64(raw));
-    }
-    else if (g_variant_is_of_type(raw, G_VARIANT_TYPE_DOUBLE))
-    {
-      return static_cast<double>(g_variant_get_double(raw));
-    }
-    else if (g_variant_is_of_type(raw, G_VARIANT_TYPE_STRING))
-    {
-      auto size = gsize{};
-      auto string = g_variant_get_string(raw, &size);
-      return std::string{string, size};
-    }
-    else if (g_variant_is_of_type(raw, G_VARIANT_TYPE_STRING_ARRAY))
-    {
-      auto length = gsize{};
-      auto data = g_variant_get_strv(raw, &length);
-      return std::vector<std::string>{data, data + length};
-    }
-
-    return {};
-  }
-
-}  // namespace wanda
\ No newline at end of file
diff --git a/source/lib/src/wallpaper.cpp b/source/lib/src/wallpaper.cpp
deleted file mode 100644
index c9c5cfe..0000000
--- a/source/lib/src/wallpaper.cpp
+++ /dev/null
@@ -1,91 +0,0 @@
-#include "wanda/logging.hpp"
-#include "wanda/magic.hpp"
-#include "wanda/optional.hpp"
-#include "wanda/setting.hpp"
-#include "wanda/wallpaper.hpp"
-
-#include <boost/gil.hpp>
-#include <boost/gil/extension/io/jpeg.hpp>
-#include <boost/gil/extension/io/png.hpp>
-#include <boost/gil/extension/numeric/resample.hpp>
-#include <boost/gil/extension/numeric/sampler.hpp>
-
-#include <fmt/format.h>
-
-#include <algorithm>
-#include <cmath>
-#include <memory>
-
-namespace wanda
-{
-  namespace
-  {
-    auto magic_instance = magic{};
-
-    auto load_image(std::filesystem::path wallpaper)
-    {
-      auto image = boost::gil::rgb8_image_t{};
-
-      switch (magic_instance.type(wallpaper))
-      {
-        case magic::mime_type::image_jpeg:
-          boost::gil::read_and_convert_image(wallpaper.native(), image, boost::gil::jpeg_tag{});
-          break;
-        case magic::mime_type::image_png:
-          boost::gil::read_and_convert_image(wallpaper.native(), image, boost::gil::png_tag{});
-          break;
-      }
-
-      return image;
-    }
-
-    auto average_colors(boost::gil::rgb8_image_t image)
-    {
-      auto accumulator = boost::gil::rgb64f_pixel_t{};
-      auto view = const_view(image);
-
-      std::ranges::for_each(view, [&](auto const & source_pixel) {
-        at_c<0>(accumulator) += std::pow(boost::gil::at_c<0>(source_pixel), 2);
-        at_c<1>(accumulator) += std::pow(boost::gil::at_c<1>(source_pixel), 2);
-        at_c<2>(accumulator) += std::pow(boost::gil::at_c<2>(source_pixel), 2);
-      });
-
-      at_c<0>(accumulator) = std::sqrt(at_c<0>(accumulator) / view.size());
-      at_c<1>(accumulator) = std::sqrt(at_c<1>(accumulator) / view.size());
-      at_c<2>(accumulator) = std::sqrt(at_c<2>(accumulator) / view.size());
-
-      return accumulator;
-    }
-
-  }  // namespace
-
-  void set_wallpaper(std::filesystem::path wallpaper)
-  {
-    using namespace wanda::literals;
-    using namespace wanda::std_ext;
-    using namespace std::string_literals;
-
-    auto image = load_image(wallpaper);
-    auto color = average_colors(std::move(image));
-    auto hexstring = fmt::format("#{:02X}{:02X}{:02X}",
-                                 static_cast<std::uint8_t>(at_c<0>(color)),
-                                 static_cast<std::uint8_t>(at_c<1>(color)),
-                                 static_cast<std::uint8_t>(at_c<2>(color)));
-
-    with("org.gnome.desktop.background"_setting, [&](auto & setting) {
-      with(setting["primary-color"_key], [&](auto & value) {
-        value = hexstring;
-      });
-      with(setting["picture-uri"_key], [&](auto & value) {
-        value = "file://" + wallpaper.native();
-      }) ||
-          [&] { get_logger()->error("invalid settings key"); };
-      with(setting["picture-uri-dark"_key], [&](auto & value) {
-        value = "file://" + wallpaper.native();
-      }) ||
-          [&] { get_logger()->error("invalid settings key"); };
-    }) ||
-        [&] { get_logger()->error("invalid setting"); };
-  }
-
-}  // namespace wanda
diff --git a/source/lib/src/xdg.cpp b/source/lib/src/xdg.cpp
deleted file mode 100644
index cfd1719..0000000
--- a/source/lib/src/xdg.cpp
+++ /dev/null
@@ -1,46 +0,0 @@
-#include "wanda/xdg.hpp"
-
-#include <unistd.h>
-
-namespace wanda
-{
-  std::string xdg_variable(xdg_directory directory)
-  {
-    switch (directory)
-    {
-      case xdg_directory::data_home:
-        return "XDG_DATA_HOME";
-      case xdg_directory::config_home:
-        return "XDG_CONFIG_HOME";
-      case xdg_directory::cache_home:
-        return "XDG_CACHE_HOME";
-      case xdg_directory::runtime_dir:
-        return "XDG_RUNTIME_DIR";
-    }
-    return "XDG_INVALID_PATH";
-  }
-
-  std::filesystem::path xdg_path_for(xdg_directory directory, environment const & environment)
-  {
-    if (auto path = environment[xdg_variable(directory)]; !path.empty())
-    {
-      return path;
-    }
-
-    auto home = std::filesystem::path{environment["HOME"]};
-    switch (directory)
-    {
-      case xdg_directory::data_home:
-        return home / ".local/share";
-      case xdg_directory::config_home:
-        return home / ".config";
-      case xdg_directory::cache_home:
-        return home / ".cache";
-      case xdg_directory::runtime_dir:
-        return std::filesystem::path{"/run/user"} / std::to_string(::getuid());
-    }
-
-    return "";
-  }
-
-}  // namespace wanda
\ No newline at end of file