Chess: Replace usage of DeprecatedString

Userland/Games/Chess/ChessWidget.cpp

@@ -7,9 +7,9 @@
 
 #include "ChessWidget.h"
 #include "PromotionDialog.h"
-#include <AK/DeprecatedString.h>
 #include <AK/Random.h>
 #include <AK/String.h>
+#include <LibCore/Account.h>
 #include <LibCore/DateTime.h>
 #include <LibCore/File.h>
 #include <LibGUI/MessageBox.h>
@@ -368,7 +368,6 @@ static RefPtr<Gfx::Bitmap> get_piece(StringView set, StringView image)
 
 void ChessWidget::set_piece_set(StringView set)
 {
-    m_piece_set = set;
     m_pieces.set({ Chess::Color::White, Chess::Type::Pawn }, get_piece(set, "white-pawn.png"sv));
     m_pieces.set({ Chess::Color::Black, Chess::Type::Pawn }, get_piece(set, "black-pawn.png"sv));
     m_pieces.set({ Chess::Color::White, Chess::Type::Knight }, get_piece(set, "white-knight.png"sv));
@@ -522,9 +521,9 @@ void ChessWidget::playback_move(PlaybackDirection direction)
     update();
 }
 
-DeprecatedString ChessWidget::get_fen() const
+ErrorOr<String> ChessWidget::get_fen() const
 {
-    return (m_playback ? m_board_playback.to_fen() : m_board.to_fen()).release_value_but_fixme_should_propagate_errors().to_deprecated_string();
+    return TRY(m_playback ? m_board_playback.to_fen() : m_board.to_fen());
 }
 
 ErrorOr<void> ChessWidget::import_pgn(Core::File& file)
@@ -548,13 +547,13 @@ ErrorOr<void> ChessWidget::import_pgn(Core::File& file)
     bool recursive_annotation = false;
     bool future_expansion = false;
     Chess::Color turn = Chess::Color::White;
-    DeprecatedString movetext;
+    String movetext;
 
     for (size_t j = i; j < lines.size(); j++)
-        movetext = DeprecatedString::formatted("{}{}", movetext, lines.at(i).to_deprecated_string());
+        movetext = TRY(String::formatted("{}{}", movetext, lines.at(i)));
 
-    for (auto token : movetext.split(' ')) {
+    for (auto token : TRY(movetext.split(' '))) {
-        token = token.trim_whitespace();
+        token = TRY(token.trim_ascii_whitespace());
 
         // FIXME: Parse all of these tokens when we start caring about them
         if (token.ends_with('}')) {
@@ -629,16 +628,19 @@ ErrorOr<void> ChessWidget::export_pgn(Core::File& file) const
     // Tag Pair Section
     TRY(file.write_until_depleted("[Event \"Casual Game\"]\n"sv.bytes()));
     TRY(file.write_until_depleted("[Site \"SerenityOS Chess\"]\n"sv.bytes()));
-    TRY(file.write_until_depleted(DeprecatedString::formatted("[Date \"{}\"]\n", Core::DateTime::now().to_deprecated_string("%Y.%m.%d"sv)).bytes()));
+    TRY(file.write_formatted("[Date \"{}\"]\n", Core::DateTime::now().to_deprecated_string("%Y.%m.%d"sv)));
     TRY(file.write_until_depleted("[Round \"1\"]\n"sv.bytes()));
 
-    DeprecatedString username(getlogin());
+    auto current_user = TRY(Core::Account::self(Core::Account::Read::PasswdOnly));
-    auto const player1 = (!username.is_empty() ? username.view() : "?"sv.bytes());
+    auto const username = TRY(String::from_deprecated_string(current_user.username()));
-    auto const player2 = (!m_engine.is_null() ? "SerenityOS ChessEngine"sv.bytes() : "?"sv.bytes());
-    TRY(file.write_until_depleted(DeprecatedString::formatted("[White \"{}\"]\n", m_side == Chess::Color::White ? player1 : player2).bytes()));
-    TRY(file.write_until_depleted(DeprecatedString::formatted("[Black \"{}\"]\n", m_side == Chess::Color::Black ? player1 : player2).bytes()));
 
-    TRY(file.write_until_depleted(DeprecatedString::formatted("[Result \"{}\"]\n", Chess::Board::result_to_points_string(m_board.game_result(), m_board.turn())).bytes()));
+    auto const player1 = (!username.is_empty() ? username : "?"sv);
+    auto const player2 = (!m_engine.is_null() ? "SerenityOS ChessEngine"sv : "?"sv);
+
+    TRY(file.write_formatted("[White \"{}\"]\n", m_side == Chess::Color::White ? player1 : player2));
+    TRY(file.write_formatted("[Black \"{}\"]\n", m_side == Chess::Color::Black ? player1 : player2));
+
+    TRY(file.write_formatted("[Result \"{}\"]\n", Chess::Board::result_to_points_string(m_board.game_result(), m_board.turn())));
     TRY(file.write_until_depleted("[WhiteElo \"?\"]\n"sv.bytes()));
     TRY(file.write_until_depleted("[BlackElo \"?\"]\n"sv.bytes()));
     TRY(file.write_until_depleted("[Variant \"Standard\"]\n"sv.bytes()));
@@ -648,13 +650,13 @@ ErrorOr<void> ChessWidget::export_pgn(Core::File& file) const
 
     // Movetext Section
     for (size_t i = 0, move_no = 1; i < m_board.moves().size(); i += 2, move_no++) {
-        const DeprecatedString white = m_board.moves().at(i).to_algebraic().release_value_but_fixme_should_propagate_errors().to_deprecated_string();
+        auto const white = TRY(m_board.moves().at(i).to_algebraic());
 
         if (i + 1 < m_board.moves().size()) {
-            const DeprecatedString black = m_board.moves().at(i + 1).to_algebraic().release_value_but_fixme_should_propagate_errors().to_deprecated_string();
+            auto const black = TRY(m_board.moves().at(i + 1).to_algebraic());
-            TRY(file.write_until_depleted(DeprecatedString::formatted("{}. {} {} ", move_no, white, black).bytes()));
+            TRY(file.write_until_depleted(TRY(String::formatted("{}. {} {} ", move_no, white, black)).bytes()));
         } else {
-            TRY(file.write_until_depleted(DeprecatedString::formatted("{}. {} ", move_no, white).bytes()));
+            TRY(file.write_until_depleted(TRY(String::formatted("{}. {} ", move_no, white)).bytes()));
         }
     }
 

Userland/Games/Chess/ChessWidget.h

@@ -43,7 +43,6 @@ public:
     void set_side(Chess::Color side) { m_side = side; }
 
     void set_piece_set(StringView set);
-    DeprecatedString const& piece_set() const { return m_piece_set; }
 
     Optional<Chess::Square> mouse_to_square(GUI::MouseEvent& event) const;
 
@@ -54,7 +53,7 @@ public:
     bool show_available_moves() const { return m_show_available_moves; }
     void set_show_available_moves(bool e) { m_show_available_moves = e; }
 
-    DeprecatedString get_fen() const;
+    ErrorOr<String> get_fen() const;
     ErrorOr<void> import_pgn(Core::File&);
     ErrorOr<void> export_pgn(Core::File&) const;
 
@@ -140,7 +139,6 @@ private:
     Color m_marking_secondary_color { Color::from_argb(0x6655dd55) };
     Chess::Color m_side { Chess::Color::White };
     HashMap<Chess::Piece, RefPtr<Gfx::Bitmap const>> m_pieces;
-    DeprecatedString m_piece_set;
     Chess::Square m_moving_square { 50, 50 };
     Gfx::IntPoint m_drag_point;
     bool m_dragging_piece { false };

Userland/Games/Chess/Engine.cpp

@@ -18,8 +18,8 @@ Engine::~Engine()
     quit();
 }
 
-Engine::Engine(StringView command)
+Engine::Engine(String command)
-    : m_command(command)
+    : m_command(move(command))
 {
     connect_to_engine_service();
 }
@@ -43,13 +43,21 @@ void Engine::connect_to_engine_service()
     posix_spawn_file_actions_adddup2(&file_actions, wpipefds[0], STDIN_FILENO);
     posix_spawn_file_actions_adddup2(&file_actions, rpipefds[1], STDOUT_FILENO);
 
-    char const* argv[] = { m_command.characters(), nullptr };
+    auto command_length = m_command.code_points().length();
+    auto command_name = new char[command_length + 1];
+    memcpy(command_name, m_command.bytes_as_string_view().characters_without_null_termination(), command_length);
+    command_name[command_length] = '\0';
+
+    char const* argv[] = { command_name, nullptr };
+
     pid_t pid = -1;
-    if (posix_spawnp(&pid, m_command.characters(), &file_actions, nullptr, const_cast<char**>(argv), environ) < 0) {
+    if (posix_spawnp(&pid, command_name, &file_actions, nullptr, const_cast<char**>(argv), environ) < 0) {
         perror("posix_spawnp");
         VERIFY_NOT_REACHED();
     }
 
+    delete[] command_name;
+
     posix_spawn_file_actions_destroy(&file_actions);
 
     close(wpipefds[0]);

Userland/Games/Chess/Engine.h

@@ -15,7 +15,7 @@ class Engine : public Chess::UCI::Endpoint {
 public:
     virtual ~Engine() override;
 
-    Engine(StringView command);
+    Engine(String command);
 
     Engine(Engine const&) = delete;
     Engine& operator=(Engine const&) = delete;
@@ -51,7 +51,7 @@ private:
     void quit();
     void connect_to_engine_service();
 
-    DeprecatedString m_command;
+    String m_command;
     Function<void(ErrorOr<Chess::Move>)> m_bestmove_callback;
     bool m_connected { false };
 };

Userland/Games/Chess/main.cpp

@@ -69,6 +69,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
     for (auto const& engine : engines)
         TRY(Core::System::unveil(engine.path, "x"sv));
 
+    TRY(Core::System::unveil("/etc/passwd", "r"));
     TRY(Core::System::unveil("/res", "r"));
     TRY(Core::System::unveil("/bin/GamesSettings", "x"));
     TRY(Core::System::unveil("/tmp/session/%sid/portal/launch", "rw"));
@@ -125,7 +126,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
             dbgln("Exported PGN file to {}", result.value().filename());
     })));
     TRY(game_menu->try_add_action(GUI::Action::create("&Copy FEN", { Mod_Ctrl, Key_C }, [&](auto&) {
-        GUI::Clipboard::the().set_data(widget->get_fen().bytes());
+        GUI::Clipboard::the().set_data(widget->get_fen().release_value_but_fixme_should_propagate_errors().bytes());
         GUI::MessageBox::show(window, "Board state copied to clipboard as FEN."sv, "Copy FEN"sv, GUI::MessageBox::Type::Information);
     })));
     TRY(game_menu->try_add_separator());