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Continue line comments (#10996)

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TornaxO7 2024-10-19 11:48:07 +02:00 • committed by GitHub
parent a1453350df
commit be2884d800
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2 changed files with 192 additions and 74 deletions
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97
helix-term/src/commands.rs
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@ -22,8 +22,8 @@ use helix_core::{
encoding, find_workspace,
graphemes::{self, next_grapheme_boundary, RevRopeGraphemes},
history::UndoKind,
increment, indent,
indent::IndentStyle,
increment,
indent::{self, IndentStyle},
line_ending::{get_line_ending_of_str, line_end_char_index},
match_brackets,
movement::{self, move_vertically_visual, Direction},
@ -3467,31 +3467,51 @@ fn open(cx: &mut Context, open: Open) {
)
};
let indent = indent::indent_for_newline(
doc.language_config(),
doc.syntax(),
&doc.config.load().indent_heuristic,
&doc.indent_style,
doc.tab_width(),
text,
line_num,
line_end_index,
cursor_line,
);
let continue_comment_token = doc
.language_config()
.and_then(|config| config.comment_tokens.as_ref())
.and_then(|tokens| comment::get_comment_token(text, tokens, cursor_line));
let line = text.line(cursor_line);
let indent = match line.first_non_whitespace_char() {
Some(pos) if continue_comment_token.is_some() => line.slice(..pos).to_string(),
_ => indent::indent_for_newline(
doc.language_config(),
doc.syntax(),
&doc.config.load().indent_heuristic,
&doc.indent_style,
doc.tab_width(),
text,
line_num,
line_end_index,
cursor_line,
),
};
let indent_len = indent.len();
let mut text = String::with_capacity(1 + indent_len);
text.push_str(doc.line_ending.as_str());
text.push_str(&indent);
if let Some(token) = continue_comment_token {
text.push_str(token);
text.push(' ');
}
let text = text.repeat(count);
// calculate new selection ranges
let pos = offs + line_end_index + line_end_offset_width;
let comment_len = continue_comment_token
.map(|token| token.len() + 1) // `+ 1` for the extra space added
.unwrap_or_default();
for i in 0..count {
// pos -> beginning of reference line,
// + (i * (1+indent_len)) -> beginning of i'th line from pos
// + indent_len -> -> indent for i'th line
ranges.push(Range::point(pos + (i * (1 + indent_len)) + indent_len));
// + (i * (1+indent_len + comment_len)) -> beginning of i'th line from pos (possibly including comment token)
// + indent_len + comment_len -> -> indent for i'th line
ranges.push(Range::point(
pos + (i * (1 + indent_len + comment_len)) + indent_len + comment_len,
));
}
offs += text.chars().count();
@ -3929,6 +3949,11 @@ pub mod insert {
let mut new_text = String::new();
let continue_comment_token = doc
.language_config()
.and_then(|config| config.comment_tokens.as_ref())
.and_then(|tokens| comment::get_comment_token(text, tokens, current_line));
// If the current line is all whitespace, insert a line ending at the beginning of
// the current line. This makes the current line empty and the new line contain the
// indentation of the old line.
@ -3938,17 +3963,22 @@ pub mod insert {
(line_start, line_start, new_text.chars().count())
} else {
let indent = indent::indent_for_newline(
doc.language_config(),
doc.syntax(),
&doc.config.load().indent_heuristic,
&doc.indent_style,
doc.tab_width(),
text,
current_line,
pos,
current_line,
);
let line = text.line(current_line);
let indent = match line.first_non_whitespace_char() {
Some(pos) if continue_comment_token.is_some() => line.slice(..pos).to_string(),
_ => indent::indent_for_newline(
doc.language_config(),
doc.syntax(),
&doc.config.load().indent_heuristic,
&doc.indent_style,
doc.tab_width(),
text,
current_line,
pos,
current_line,
),
};
// If we are between pairs (such as brackets), we want to
// insert an additional line which is indented one level
@ -3958,19 +3988,30 @@ pub mod insert {
.and_then(|pairs| pairs.get(prev))
.map_or(false, |pair| pair.open == prev && pair.close == curr);
let local_offs = if on_auto_pair {
let local_offs = if let Some(token) = continue_comment_token {
new_text.push_str(doc.line_ending.as_str());
new_text.push_str(&indent);
new_text.push_str(token);
new_text.push(' ');
new_text.chars().count()
} else if on_auto_pair {
// line where the cursor will be
let inner_indent = indent.clone() + doc.indent_style.as_str();
new_text.reserve_exact(2 + indent.len() + inner_indent.len());
new_text.push_str(doc.line_ending.as_str());
new_text.push_str(&inner_indent);
// line where the matching pair will be
let local_offs = new_text.chars().count();
new_text.push_str(doc.line_ending.as_str());
new_text.push_str(&indent);
local_offs
} else {
new_text.reserve_exact(1 + indent.len());
new_text.push_str(doc.line_ending.as_str());
new_text.push_str(&indent);
new_text.chars().count()
};