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feat(editor): start implementing is_word_boundary_left_vim for vim-like word detection

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lulvz 2025-02-02 02:04:44 +00:00
parent 952a75530e
commit 21540af8ef
1 changed files with 63 additions and 1 deletions
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64
src/tui/editor.zig
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@ -1939,6 +1939,68 @@ pub const Editor = struct {
return false;
}
fn is_not_word_char_vim(c: []const u8) bool {
if (c.len == 0) return true;
return switch (c[0]) {
'=' => true,
'"' => true,
'\'' => true,
'\t' => true,
'\n' => true,
'/' => true,
'\\' => true,
'*' => true,
':' => true,
'.' => true,
',' => true,
'(' => true,
')' => true,
'{' => true,
'}' => true,
'[' => true,
']' => true,
';' => true,
'|' => true,
'!' => true,
'?' => true,
'&' => true,
'-' => true,
'<' => true,
'>' => true,
else => false,
};
}
fn is_non_word_char_at_cursor_vim(root: Buffer.Root, cursor: *const Cursor, metrics: Buffer.Metrics) bool {
return cursor.test_at(root, is_not_word_char_vim, metrics);
}
fn is_white_space(c: []const u8) bool {
if (c.len == 0) return true;
return switch (c[0]) {
' ' => true,
else => false
};
}
fn is_white_space_at_cursor(root: Buffer.Root, cursor: *const Cursor, metrics: Buffer.Metrics) bool {
return cursor.test_at(root, is_white_space, metrics);
}
fn is_word_boundary_left_vim(root: Buffer.Root, cursor: *const Cursor, metrics: Buffer.Metrics) bool {
if(is_white_space_at_cursor(root, cursor, metrics)) return false;
var next = cursor.*;
next.move_left(root, metrics) catch return true;
// right now this doesn't work
// ["enter_vim_mode"], abc
// jumping from the last " forward once using this command goes to the end of the line
// it should go to the start of abc
const curr_is_non_word = is_non_word_char_at_cursor_vim(root, cursor, metrics);
const prev_is_non_word = is_non_word_char_at_cursor_vim(root, &next, metrics);
return curr_is_non_word != prev_is_non_word;
}
fn is_non_word_boundary_left(root: Buffer.Root, cursor: *const Cursor, metrics: Buffer.Metrics) bool {
if (cursor.col == 0)
return true;
@ -2575,7 +2637,7 @@ pub const Editor = struct {
pub fn move_cursor_word_right_vim(root: Buffer.Root, cursor: *Cursor, metrics: Buffer.Metrics) error{Stop}!void {
try move_cursor_right(root, cursor, metrics);
move_cursor_right_until(root, cursor, is_word_boundary_left, metrics);
move_cursor_right_until(root, cursor, is_word_boundary_left_vim, metrics);
}
pub fn move_cursor_word_right_space(root: Buffer.Root, cursor: *Cursor, metrics: Buffer.Metrics) error{Stop}!void {