ZIm/crates/vim/src/normal/case.rs
2023-06-26 20:22:24 -06:00

64 lines
2.5 KiB
Rust

use gpui::ViewContext;
use language::Point;
use workspace::Workspace;
use crate::{motion::Motion, normal::ChangeCase, Vim};
pub fn change_case(_: &mut Workspace, _: &ChangeCase, cx: &mut ViewContext<Workspace>) {
Vim::update(cx, |vim, cx| {
let count = vim.pop_number_operator(cx);
vim.update_active_editor(cx, |editor, cx| {
editor.set_clip_at_line_ends(false, cx);
editor.transact(cx, |editor, cx| {
editor.change_selections(None, cx, |s| {
s.move_with(|map, selection| {
if selection.start == selection.end {
Motion::Right.expand_selection(map, selection, count, true);
}
})
});
let selections = editor.selections.all::<Point>(cx);
for selection in selections.into_iter().rev() {
let snapshot = editor.buffer().read(cx).snapshot(cx);
editor.buffer().update(cx, |buffer, cx| {
let range = selection.start..selection.end;
let text = snapshot
.text_for_range(selection.start..selection.end)
.flat_map(|s| s.chars())
.flat_map(|c| {
if c.is_lowercase() {
c.to_uppercase().collect::<Vec<char>>()
} else {
c.to_lowercase().collect::<Vec<char>>()
}
})
.collect::<String>();
buffer.edit([(range, text)], None, cx)
})
}
});
editor.set_clip_at_line_ends(true, cx);
});
})
}
#[cfg(test)]
mod test {
use crate::{state::Mode, test::VimTestContext};
use indoc::indoc;
#[gpui::test]
async fn test_change_case(cx: &mut gpui::TestAppContext) {
let mut cx = VimTestContext::new(cx, true).await;
cx.set_state(indoc! {"ˇabC\n"}, Mode::Normal);
cx.simulate_keystrokes(["~"]);
cx.assert_editor_state("AˇbC\n");
cx.simulate_keystrokes(["2", "~"]);
cx.assert_editor_state("ABcˇ\n");
cx.set_state(indoc! {"a😀C«dÉ1*fˇ»\n"}, Mode::Normal);
cx.simulate_keystrokes(["~"]);
cx.assert_editor_state("a😀CDé1*Fˇ\n");
}
}