ZIm/crates/vim/src/normal/substitute.rs
2023-09-12 09:56:23 -06:00

262 lines
8.5 KiB
Rust

use editor::movement;
use gpui::{actions, AppContext, WindowContext};
use language::Point;
use workspace::Workspace;
use crate::{motion::Motion, utils::copy_selections_content, Mode, Vim};
actions!(vim, [Substitute, SubstituteLine]);
pub(crate) fn init(cx: &mut AppContext) {
cx.add_action(|_: &mut Workspace, _: &Substitute, cx| {
Vim::update(cx, |vim, cx| {
vim.start_recording(cx);
let count = vim.take_count(cx);
substitute(vim, count, vim.state().mode == Mode::VisualLine, cx);
})
});
cx.add_action(|_: &mut Workspace, _: &SubstituteLine, cx| {
Vim::update(cx, |vim, cx| {
vim.start_recording(cx);
if matches!(vim.state().mode, Mode::VisualBlock | Mode::Visual) {
vim.switch_mode(Mode::VisualLine, false, cx)
}
let count = vim.take_count(cx);
substitute(vim, count, true, cx)
})
});
}
pub fn substitute(vim: &mut Vim, count: Option<usize>, line_mode: bool, cx: &mut WindowContext) {
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);
}
if line_mode {
// in Visual mode when the selection contains the newline at the end
// of the line, we should exclude it.
if !selection.is_empty() && selection.end.column() == 0 {
selection.end = movement::left(map, selection.end);
}
Motion::CurrentLine.expand_selection(map, selection, None, false);
if let Some((point, _)) = (Motion::FirstNonWhitespace {
display_lines: false,
})
.move_point(
map,
selection.start,
selection.goal,
None,
) {
selection.start = point;
}
}
})
});
copy_selections_content(editor, line_mode, cx);
let selections = editor.selections.all::<Point>(cx).into_iter();
let edits = selections.map(|selection| (selection.start..selection.end, ""));
editor.edit(edits, cx);
});
});
vim.switch_mode(Mode::Insert, true, cx);
}
#[cfg(test)]
mod test {
use crate::{
state::Mode,
test::{NeovimBackedTestContext, VimTestContext},
};
use indoc::indoc;
#[gpui::test]
async fn test_substitute(cx: &mut gpui::TestAppContext) {
let mut cx = VimTestContext::new(cx, true).await;
// supports a single cursor
cx.set_state(indoc! {"ˇabc\n"}, Mode::Normal);
cx.simulate_keystrokes(["s", "x"]);
cx.assert_editor_state("xˇbc\n");
// supports a selection
cx.set_state(indoc! {"a«bcˇ»\n"}, Mode::Visual);
cx.assert_editor_state("a«bcˇ»\n");
cx.simulate_keystrokes(["s", "x"]);
cx.assert_editor_state("axˇ\n");
// supports counts
cx.set_state(indoc! {"ˇabc\n"}, Mode::Normal);
cx.simulate_keystrokes(["2", "s", "x"]);
cx.assert_editor_state("xˇc\n");
// supports multiple cursors
cx.set_state(indoc! {"a«bcˇ»deˇffg\n"}, Mode::Normal);
cx.simulate_keystrokes(["2", "s", "x"]);
cx.assert_editor_state("axˇdexˇg\n");
// does not read beyond end of line
cx.set_state(indoc! {"ˇabc\n"}, Mode::Normal);
cx.simulate_keystrokes(["5", "s", "x"]);
cx.assert_editor_state("\n");
// it handles multibyte characters
cx.set_state(indoc! {"ˇcàfé\n"}, Mode::Normal);
cx.simulate_keystrokes(["4", "s"]);
cx.assert_editor_state("ˇ\n");
// should transactionally undo selection changes
cx.simulate_keystrokes(["escape", "u"]);
cx.assert_editor_state("ˇcàfé\n");
// it handles visual line mode
cx.set_state(
indoc! {"
alpha
beˇta
gamma"},
Mode::Normal,
);
cx.simulate_keystrokes(["shift-v", "s"]);
cx.assert_editor_state(indoc! {"
alpha
ˇ
gamma"});
}
#[gpui::test]
async fn test_visual_change(cx: &mut gpui::TestAppContext) {
let mut cx = NeovimBackedTestContext::new(cx).await;
cx.set_shared_state("The quick ˇbrown").await;
cx.simulate_shared_keystrokes(["v", "w", "c"]).await;
cx.assert_shared_state("The quick ˇ").await;
cx.set_shared_state(indoc! {"
The ˇquick brown
fox jumps over
the lazy dog"})
.await;
cx.simulate_shared_keystrokes(["v", "w", "j", "c"]).await;
cx.assert_shared_state(indoc! {"
The ˇver
the lazy dog"})
.await;
let cases = cx.each_marked_position(indoc! {"
The ˇquick brown
fox jumps ˇover
the ˇlazy dog"});
for initial_state in cases {
cx.assert_neovim_compatible(&initial_state, ["v", "w", "j", "c"])
.await;
cx.assert_neovim_compatible(&initial_state, ["v", "w", "k", "c"])
.await;
}
}
#[gpui::test]
async fn test_visual_line_change(cx: &mut gpui::TestAppContext) {
let mut cx = NeovimBackedTestContext::new(cx)
.await
.binding(["shift-v", "c"]);
cx.assert(indoc! {"
The quˇick brown
fox jumps over
the lazy dog"})
.await;
// Test pasting code copied on change
cx.simulate_shared_keystrokes(["escape", "j", "p"]).await;
cx.assert_state_matches().await;
cx.assert_all(indoc! {"
The quick brown
fox juˇmps over
the laˇzy dog"})
.await;
let mut cx = cx.binding(["shift-v", "j", "c"]);
cx.assert(indoc! {"
The quˇick brown
fox jumps over
the lazy dog"})
.await;
// Test pasting code copied on delete
cx.simulate_shared_keystrokes(["escape", "j", "p"]).await;
cx.assert_state_matches().await;
cx.assert_all(indoc! {"
The quick brown
fox juˇmps over
the laˇzy dog"})
.await;
}
#[gpui::test]
async fn test_substitute_line(cx: &mut gpui::TestAppContext) {
let mut cx = NeovimBackedTestContext::new(cx).await;
let initial_state = indoc! {"
The quick brown
fox juˇmps over
the lazy dog
"};
// normal mode
cx.set_shared_state(initial_state).await;
cx.simulate_shared_keystrokes(["shift-s", "o"]).await;
cx.assert_shared_state(indoc! {"
The quick brown
the lazy dog
"})
.await;
// visual mode
cx.set_shared_state(initial_state).await;
cx.simulate_shared_keystrokes(["v", "k", "shift-s", "o"])
.await;
cx.assert_shared_state(indoc! {"
the lazy dog
"})
.await;
// visual block mode
cx.set_shared_state(initial_state).await;
cx.simulate_shared_keystrokes(["ctrl-v", "j", "shift-s", "o"])
.await;
cx.assert_shared_state(indoc! {"
The quick brown
"})
.await;
// visual mode including newline
cx.set_shared_state(initial_state).await;
cx.simulate_shared_keystrokes(["v", "$", "shift-s", "o"])
.await;
cx.assert_shared_state(indoc! {"
The quick brown
the lazy dog
"})
.await;
// indentation
cx.set_neovim_option("shiftwidth=4").await;
cx.set_shared_state(initial_state).await;
cx.simulate_shared_keystrokes([">", ">", "shift-s", "o"])
.await;
cx.assert_shared_state(indoc! {"
The quick brown
the lazy dog
"})
.await;
}
}