71 lines
2.4 KiB
Rust
71 lines
2.4 KiB
Rust
use gpui::WindowContext;
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use language::Point;
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use crate::{motion::Motion, Mode, Vim};
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pub fn substitute(vim: &mut Vim, count: Option<usize>, cx: &mut WindowContext) {
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vim.switch_mode(Mode::Insert, true, cx);
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vim.update_active_editor(cx, |editor, cx| {
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editor.transact(cx, |editor, cx| {
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editor.change_selections(None, cx, |s| {
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s.move_with(|map, selection| {
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if selection.start == selection.end {
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Motion::Right.expand_selection(map, selection, count, true);
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}
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})
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});
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let selections = editor.selections.all::<Point>(cx);
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for selection in selections.into_iter().rev() {
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editor.buffer().update(cx, |buffer, cx| {
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buffer.edit([(selection.start..selection.end, "")], None, cx)
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})
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}
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});
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});
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}
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#[cfg(test)]
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mod test {
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use crate::{state::Mode, test::VimTestContext};
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use indoc::indoc;
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#[gpui::test]
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async fn test_substitute(cx: &mut gpui::TestAppContext) {
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let mut cx = VimTestContext::new(cx, true).await;
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// supports a single cursor
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cx.set_state(indoc! {"ˇabc\n"}, Mode::Normal);
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cx.simulate_keystrokes(["s", "x"]);
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cx.assert_editor_state("xˇbc\n");
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// supports a selection
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cx.set_state(indoc! {"a«bcˇ»\n"}, Mode::Visual { line: false });
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cx.assert_editor_state("a«bcˇ»\n");
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cx.simulate_keystrokes(["s", "x"]);
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cx.assert_editor_state("axˇ\n");
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// supports counts
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cx.set_state(indoc! {"ˇabc\n"}, Mode::Normal);
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cx.simulate_keystrokes(["2", "s", "x"]);
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cx.assert_editor_state("xˇc\n");
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// supports multiple cursors
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cx.set_state(indoc! {"a«bcˇ»deˇffg\n"}, Mode::Normal);
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cx.simulate_keystrokes(["2", "s", "x"]);
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cx.assert_editor_state("axˇdexˇg\n");
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// does not read beyond end of line
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cx.set_state(indoc! {"ˇabc\n"}, Mode::Normal);
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cx.simulate_keystrokes(["5", "s", "x"]);
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cx.assert_editor_state("xˇ\n");
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// it handles multibyte characters
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cx.set_state(indoc! {"ˇcàfé\n"}, Mode::Normal);
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cx.simulate_keystrokes(["4", "s"]);
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cx.assert_editor_state("ˇ\n");
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// should transactionally undo selection changes
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cx.simulate_keystrokes(["escape", "u"]);
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cx.assert_editor_state("ˇcàfé\n");
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}
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}
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