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https://github.com/RGBCube/serenity
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AK+Everywhere: Remove the null state of DeprecatedString
This commit removes DeprecatedString's "null" state, and replaces all its users with one of the following: - A normal, empty DeprecatedString - Optional<DeprecatedString> Note that null states of DeprecatedFlyString/StringView/etc are *not* affected by this commit. However, DeprecatedString::empty() is now considered equal to a null StringView.
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189 changed files with 597 additions and 652 deletions
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@ -141,7 +141,7 @@ static ErrorOr<String> display_name_from_edid(EDID::Parser const& edid)
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auto product_name = edid.display_product_name();
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auto build_manufacturer_product_name = [&]() -> ErrorOr<String> {
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if (product_name.is_null() || product_name.is_empty())
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if (product_name.is_empty())
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return TRY(String::from_deprecated_string(manufacturer_name));
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return String::formatted("{} {}", manufacturer_name, product_name);
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};
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@ -319,7 +319,7 @@ void MailWidget::selected_mailbox(GUI::ModelIndex const& index)
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DeprecatedString date = internal_date.to_deprecated_string();
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DeprecatedString subject = envelope.subject.value_or("(No subject)");
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if (subject.contains("=?"sv) && subject.contains("?="sv)) {
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subject = MUST(IMAP::decode_rfc2047_encoded_words(subject));
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subject = MUST(IMAP::decode_rfc2047_encoded_words(subject)).span();
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}
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StringBuilder sender_builder;
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@ -491,9 +491,9 @@ void MailWidget::selected_email_to_load(GUI::ModelIndex const& index)
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} else if (selected_alternative_encoding.equals_ignoring_ascii_case("base64"sv)) {
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auto decoded_base64 = decode_base64(encoded_data);
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if (!decoded_base64.is_error())
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decoded_data = decoded_base64.release_value();
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decoded_data = decoded_base64.release_value().span();
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} else if (selected_alternative_encoding.equals_ignoring_ascii_case("quoted-printable"sv)) {
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decoded_data = IMAP::decode_quoted_printable(encoded_data).release_value_but_fixme_should_propagate_errors();
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decoded_data = IMAP::decode_quoted_printable(encoded_data).release_value_but_fixme_should_propagate_errors().span();
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} else {
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dbgln("Mail: Unimplemented decoder for encoding: {}", selected_alternative_encoding);
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GUI::MessageBox::show(window(), DeprecatedString::formatted("The e-mail encoding '{}' is currently unsupported.", selected_alternative_encoding), "Unsupported"sv, GUI::MessageBox::Type::Information);
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@ -24,7 +24,7 @@ ErrorOr<int> serenity_main(Main::Arguments args)
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TRY(Core::System::unveil("/tmp/portal/window", "rw"));
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TRY(Core::System::unveil(nullptr, nullptr));
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DeprecatedString adapter;
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StringView adapter;
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Core::ArgsParser parser;
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parser.add_positional_argument(adapter, "Adapter to display settings for", "adapter", Core::ArgsParser::Required::No);
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@ -26,7 +26,7 @@ NonnullOwnPtr<M3UParser> M3UParser::from_file(StringView path)
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NonnullOwnPtr<M3UParser> M3UParser::from_memory(DeprecatedString const& m3u_contents, bool utf8)
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{
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auto parser = make<M3UParser>();
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VERIFY(!m3u_contents.is_null() && !m3u_contents.is_empty() && !m3u_contents.is_whitespace());
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VERIFY(!m3u_contents.is_empty() && !m3u_contents.is_whitespace());
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parser->m_m3u_raw_data = m3u_contents;
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parser->m_use_utf8 = utf8;
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return parser;
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@ -40,9 +40,6 @@ Player::Player(Audio::ConnectionToServer& audio_client_connection)
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void Player::play_file_path(DeprecatedString const& path)
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{
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if (path.is_null())
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return;
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if (!FileSystem::exists(path)) {
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audio_load_error(path, "File does not exist"sv);
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return;
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@ -22,7 +22,7 @@ namespace Spreadsheet {
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void SpreadsheetView::EditingDelegate::set_value(GUI::Variant const& value, GUI::ModelEditingDelegate::SelectionBehavior selection_behavior)
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{
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if (value.as_string().is_null()) {
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if (!value.is_valid()) {
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StringModelEditingDelegate::set_value("", selection_behavior);
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commit();
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return;
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@ -74,7 +74,7 @@ void MemoryStatsWidget::set_graph_widget(GraphWidget& graph)
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void MemoryStatsWidget::set_graph_widget_via_name(DeprecatedString name)
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{
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m_graph_widget_name = move(name);
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if (!m_graph_widget_name.is_null()) {
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if (!m_graph_widget_name.is_empty()) {
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// FIXME: We assume here that the graph widget is a sibling or descendant of a sibling. This prevents more complex hierarchies.
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auto* maybe_graph = parent_widget()->find_descendant_of_type_named<GraphWidget>(m_graph_widget_name);
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if (maybe_graph) {
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@ -279,7 +279,7 @@ MainWidget::MainWidget()
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m_save_as_action = GUI::CommonActions::make_save_as_action([&](auto&) {
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auto extension = m_extension;
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if (extension.is_null() && m_editor->syntax_highlighter())
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if (extension.is_empty() && m_editor->syntax_highlighter())
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extension = Syntax::common_language_extension(m_editor->syntax_highlighter()->language());
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auto response = FileSystemAccessClient::Client::the().save_file(window(), m_name, extension);
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