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LibGUI: Add TextEditor::write_to_file(Core::Stream::File&)
This overload use the `Core::Stream` API instead of the now deprecated one `Core::File`.
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Notes:
sideshowbarker
2024-07-17 01:58:46 +09:00
Author: https://github.com/LucasChollet Commit: https://github.com/SerenityOS/serenity/commit/cf1eea27d3 Pull-request: https://github.com/SerenityOS/serenity/pull/16887 Reviewed-by: https://github.com/AtkinsSJ ✅
@ -1512,6 +1512,33 @@ bool TextEditor::write_to_file(Core::File& file)
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return true;
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}
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ErrorOr<void> TextEditor::write_to_file(Core::Stream::File& file)
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{
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off_t file_size = 0;
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if (line_count() == 1 && line(0).is_empty()) {
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// Truncate to zero.
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} else {
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// Compute the final file size and ftruncate() to make writing fast.
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// FIXME: Remove this once the kernel is smart enough to do this instead.
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for (size_t i = 0; i < line_count(); ++i)
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file_size += line(i).length();
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file_size += line_count();
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}
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TRY(file.truncate(file_size));
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if (file_size == 0) {
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// A size 0 file doesn't need a data copy.
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} else {
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for (size_t i = 0; i < line_count(); ++i) {
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TRY(file.write(line(i).to_utf8().bytes()));
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TRY(file.write("\n"sv.bytes()));
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}
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}
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document().set_unmodified();
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return {};
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}
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DeprecatedString TextEditor::text() const
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{
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return document().text();
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@ -131,6 +131,7 @@ public:
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void replace_all_text_without_resetting_undo_stack(StringView text);
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bool write_to_file(DeprecatedString const& path);
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bool write_to_file(Core::File&);
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ErrorOr<void> write_to_file(Core::Stream::File&);
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bool has_selection() const { return m_selection.is_valid(); }
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DeprecatedString selected_text() const;
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size_t number_of_words() const;
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