1 files changed, 0 insertions, 206 deletions
diff --git a/ttwhy/routers/echo.cppm b/ttwhy/routers/echo.cppm
deleted file mode 100644
index c9cd7c7..0000000
--- a/ttwhy/routers/echo.cppm
+++ /dev/null
@@ -1,206 +0,0 @@
-module;
-
-#include <asio.hpp>
-
-#include <algorithm>
-
-#include <cstddef>
-#include <format>
-#include <string_view>
-
-export module ttwhy.routers:echo;
-
-import ttwhy.scanners;
-
-namespace ttwhy::routers
-{
-
-  using namespace std::string_view_literals;
-
-  constexpr auto vte_backspace_sequence = "\b \b"sv;
-  constexpr auto vte_newline_sequence = "\r\n"sv;
-  constexpr auto vte_horizontal_tab_sequence = "\t"sv;
-  constexpr auto vte_cursor_left_sequence = "\x1b[D"sv;
-  constexpr auto vte_cursor_right_sequence = "\x1b[C"sv;
-  constexpr auto vte_delete_character_sequence = "\x1b[P"sv;
-  constexpr auto vte_cursor_left_sequence_format = "\x1b[{}D"sv;
-  constexpr auto vte_cursor_right_sequence_format = "\x1b[{}C"sv;
-
-  export template<typename StreamType>
-  struct echo
-  {
-    explicit echo(StreamType & stream)
-        : m_output_stream{stream}
-    {}
-
-    [[nodiscard]] auto cursor_position() const noexcept -> std::size_t
-    {
-      return m_cursor_position;
-    }
-
-    [[nodiscard]] auto max_position() const noexcept -> std::size_t
-    {
-      return m_max_position;
-    }
-
-    auto process(scanners::input_event event) -> asio::awaitable<void>
-    {
-      co_await std::visit(
-          [&](auto && event) -> asio::awaitable<void> {
-            using event_type = std::decay_t<decltype(event)>;
-
-            if constexpr (std::same_as<scanners::character_event, event_type>)
-            {
-              co_await process_character(event.value);
-            }
-            else if constexpr (std::same_as<scanners::control_event, event_type>)
-            {
-              co_await process_control_key(event.key);
-            }
-            else if constexpr (std::same_as<scanners::navigation_event, event_type>)
-            {
-              co_await process_navigation_key(event);
-            }
-          },
-          event);
-    }
-
-  private:
-    auto process_character(char character) -> asio::awaitable<void>
-    {
-      auto [error, bytes_written] =
-          co_await asio::async_write(m_output_stream, asio::buffer(&character, 1), asio::as_tuple(asio::use_awaitable));
-      if (!error)
-      {
-        m_cursor_position += bytes_written;
-        m_max_position = std::max(m_max_position, m_cursor_position);
-      }
-    }
-
-    auto process_control_key(scanners::control_key key) -> asio::awaitable<void>
-    {
-      switch (key)
-      {
-        case scanners::control_key::backspace:
-          if (m_cursor_position > 0)
-          {
-            auto [error, bytes_written] = co_await asio::async_write(
-                m_output_stream, asio::buffer(vte_backspace_sequence), asio::as_tuple(asio::use_awaitable));
-            if (!error)
-            {
-              if (m_cursor_position == m_max_position)
-              {
-                --m_max_position;
-              }
-              --m_cursor_position;
-            }
-          }
-          break;
-        case scanners::control_key::enter:
-        {
-          auto [error, bytes_written] = co_await asio::async_write(m_output_stream, asio::buffer(vte_newline_sequence),
-                                                                   asio::as_tuple(asio::use_awaitable));
-          if (!error)
-          {
-            m_cursor_position = 0;
-            m_max_position = 0;
-          }
-          break;
-        }
-        case scanners::control_key::tab:
-        {
-          auto [error, bytes_written] = co_await asio::async_write(
-              m_output_stream, asio::buffer(vte_horizontal_tab_sequence), asio::as_tuple(asio::use_awaitable));
-          if (!error)
-          {
-            auto const tab_stop = 8uz - (m_cursor_position % 8uz);
-            m_cursor_position += tab_stop;
-            m_max_position = std::max(m_max_position, m_cursor_position);
-          }
-          break;
-        }
-        default:
-          co_await asio::async_write(m_output_stream, asio::buffer(std::format("{{CTRL:{}}}", std::to_underlying(key))),
-                                     asio::as_tuple(asio::use_awaitable));
-          break;
-      };
-    }
-
-    auto process_navigation_key(scanners::navigation_event event) -> asio::awaitable<void>
-    {
-      switch (event.key)
-      {
-        case scanners::navigation_key::left:
-          if (m_cursor_position > 0)
-          {
-            auto [error, bytes_written] = co_await asio::async_write(
-                m_output_stream, asio::buffer(vte_cursor_left_sequence), asio::as_tuple(asio::use_awaitable));
-            if (!error)
-            {
-              --m_cursor_position;
-            }
-          }
-          break;
-
-        case scanners::navigation_key::right:
-          if (m_cursor_position < m_max_position)
-          {
-            auto [error, bytes_written] = co_await asio::async_write(
-                m_output_stream, asio::buffer(vte_cursor_right_sequence), asio::as_tuple(asio::use_awaitable));
-            if (!error)
-            {
-              ++m_cursor_position;
-            }
-          }
-          break;
-
-        case scanners::navigation_key::home:
-          if (m_cursor_position > 0)
-          {
-            auto sequence = std::format(vte_cursor_left_sequence_format, m_cursor_position);
-            auto [error, bytes_written] = co_await asio::async_write(m_output_stream, asio::buffer(sequence),
-                                                                     asio::as_tuple(asio::use_awaitable));
-            if (!error)
-            {
-              m_cursor_position = 0;
-            }
-          }
-          break;
-
-        case scanners::navigation_key::end:
-          if (m_cursor_position < m_max_position)
-          {
-            auto const distance = m_max_position - m_cursor_position;
-            auto sequence = std::format(vte_cursor_right_sequence_format, distance);
-            auto [error, bytes_written] = co_await asio::async_write(m_output_stream, asio::buffer(sequence),
-                                                                     asio::as_tuple(asio::use_awaitable));
-            if (!error)
-            {
-              m_cursor_position = m_max_position;
-            }
-          }
-          break;
-
-        case scanners::navigation_key::delete_key:
-          if (m_cursor_position < m_max_position)
-          {
-            auto [error, bytes_written] = co_await asio::async_write(
-                m_output_stream, asio::buffer(vte_delete_character_sequence), asio::as_tuple(asio::use_awaitable));
-            if (!error)
-            {
-              --m_max_position;
-            }
-          }
-          break;
-
-        default:
-          break;
-      }
-    }
-
-    StreamType & m_output_stream;
-    std::size_t m_cursor_position{};
-    std::size_t m_max_position{};
-  };
-
-}  // namespace ttwhy::routers