|
|
|
@ -9,6 +9,24 @@ use crate::{
|
|
|
|
use helix_stdx::rope::RopeSliceExt;
|
|
|
|
use helix_stdx::rope::RopeSliceExt;
|
|
|
|
use std::borrow::Cow;
|
|
|
|
use std::borrow::Cow;
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
pub const DEFAULT_COMMENT_TOKEN: &str = "//";
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/// Returns the longest matching comment token of the given line (if it exists).
|
|
|
|
|
|
|
|
pub fn get_comment_token<'a, S: AsRef<str>>(
|
|
|
|
|
|
|
|
text: RopeSlice,
|
|
|
|
|
|
|
|
tokens: &'a [S],
|
|
|
|
|
|
|
|
line_num: usize,
|
|
|
|
|
|
|
|
) -> Option<&'a str> {
|
|
|
|
|
|
|
|
let line = text.line(line_num);
|
|
|
|
|
|
|
|
let start = line.first_non_whitespace_char()?;
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
tokens
|
|
|
|
|
|
|
|
.iter()
|
|
|
|
|
|
|
|
.map(AsRef::as_ref)
|
|
|
|
|
|
|
|
.filter(|token| line.slice(start..).starts_with(token))
|
|
|
|
|
|
|
|
.max_by_key(|token| token.len())
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/// Given text, a comment token, and a set of line indices, returns the following:
|
|
|
|
/// Given text, a comment token, and a set of line indices, returns the following:
|
|
|
|
/// - Whether the given lines should be considered commented
|
|
|
|
/// - Whether the given lines should be considered commented
|
|
|
|
/// - If any of the lines are uncommented, all lines are considered as such.
|
|
|
|
/// - If any of the lines are uncommented, all lines are considered as such.
|
|
|
|
@ -28,21 +46,20 @@ fn find_line_comment(
|
|
|
|
let mut min = usize::MAX; // minimum col for first_non_whitespace_char
|
|
|
|
let mut min = usize::MAX; // minimum col for first_non_whitespace_char
|
|
|
|
let mut margin = 1;
|
|
|
|
let mut margin = 1;
|
|
|
|
let token_len = token.chars().count();
|
|
|
|
let token_len = token.chars().count();
|
|
|
|
|
|
|
|
|
|
|
|
for line in lines {
|
|
|
|
for line in lines {
|
|
|
|
let line_slice = text.line(line);
|
|
|
|
let line_slice = text.line(line);
|
|
|
|
if let Some(pos) = line_slice.first_non_whitespace_char() {
|
|
|
|
if let Some(pos) = line_slice.first_non_whitespace_char() {
|
|
|
|
let len = line_slice.len_chars();
|
|
|
|
let len = line_slice.len_chars();
|
|
|
|
|
|
|
|
|
|
|
|
if pos < min {
|
|
|
|
min = std::cmp::min(min, pos);
|
|
|
|
min = pos;
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
// line can be shorter than pos + token len
|
|
|
|
// line can be shorter than pos + token len
|
|
|
|
let fragment = Cow::from(line_slice.slice(pos..std::cmp::min(pos + token.len(), len)));
|
|
|
|
let fragment = Cow::from(line_slice.slice(pos..std::cmp::min(pos + token.len(), len)));
|
|
|
|
|
|
|
|
|
|
|
|
if fragment != token {
|
|
|
|
|
|
|
|
// as soon as one of the non-blank lines doesn't have a comment, the whole block is
|
|
|
|
// as soon as one of the non-blank lines doesn't have a comment, the whole block is
|
|
|
|
// considered uncommented.
|
|
|
|
// considered uncommented.
|
|
|
|
|
|
|
|
if fragment != token {
|
|
|
|
commented = false;
|
|
|
|
commented = false;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
@ -56,6 +73,7 @@ fn find_line_comment(
|
|
|
|
to_change.push(line);
|
|
|
|
to_change.push(line);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
(commented, to_change, min, margin)
|
|
|
|
(commented, to_change, min, margin)
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
@ -63,7 +81,7 @@ fn find_line_comment(
|
|
|
|
pub fn toggle_line_comments(doc: &Rope, selection: &Selection, token: Option<&str>) -> Transaction {
|
|
|
|
pub fn toggle_line_comments(doc: &Rope, selection: &Selection, token: Option<&str>) -> Transaction {
|
|
|
|
let text = doc.slice(..);
|
|
|
|
let text = doc.slice(..);
|
|
|
|
|
|
|
|
|
|
|
|
let token = token.unwrap_or("//");
|
|
|
|
let token = token.unwrap_or(DEFAULT_COMMENT_TOKEN);
|
|
|
|
let comment = Tendril::from(format!("{} ", token));
|
|
|
|
let comment = Tendril::from(format!("{} ", token));
|
|
|
|
|
|
|
|
|
|
|
|
let mut lines: Vec<usize> = Vec::with_capacity(selection.len());
|
|
|
|
let mut lines: Vec<usize> = Vec::with_capacity(selection.len());
|
|
|
|
@ -317,56 +335,87 @@ pub fn split_lines_of_selection(text: RopeSlice, selection: &Selection) -> Selec
|
|
|
|
mod test {
|
|
|
|
mod test {
|
|
|
|
use super::*;
|
|
|
|
use super::*;
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
mod find_line_comment {
|
|
|
|
|
|
|
|
use super::*;
|
|
|
|
|
|
|
|
|
|
|
|
#[test]
|
|
|
|
#[test]
|
|
|
|
fn test_find_line_comment() {
|
|
|
|
fn not_commented() {
|
|
|
|
// four lines, two space indented, except for line 1 which is blank.
|
|
|
|
// four lines, two space indented, except for line 1 which is blank.
|
|
|
|
let mut doc = Rope::from(" 1\n\n 2\n 3");
|
|
|
|
let doc = Rope::from(" 1\n\n 2\n 3");
|
|
|
|
// select whole document
|
|
|
|
|
|
|
|
let mut selection = Selection::single(0, doc.len_chars() - 1);
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
let text = doc.slice(..);
|
|
|
|
let text = doc.slice(..);
|
|
|
|
|
|
|
|
|
|
|
|
let res = find_line_comment("//", text, 0..3);
|
|
|
|
let res = find_line_comment("//", text, 0..3);
|
|
|
|
// (commented = true, to_change = [line 0, line 2], min = col 2, margin = 0)
|
|
|
|
// (commented = false, to_change = [line 0, line 2], min = col 2, margin = 0)
|
|
|
|
assert_eq!(res, (false, vec![0, 2], 2, 0));
|
|
|
|
assert_eq!(res, (false, vec![0, 2], 2, 0));
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
#[test]
|
|
|
|
|
|
|
|
fn is_commented() {
|
|
|
|
|
|
|
|
// three lines where the second line is empty.
|
|
|
|
|
|
|
|
let doc = Rope::from("// hello\n\n// there");
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
let res = find_line_comment("//", doc.slice(..), 0..3);
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
// (commented = true, to_change = [line 0, line 2], min = col 0, margin = 1)
|
|
|
|
|
|
|
|
assert_eq!(res, (true, vec![0, 2], 0, 1));
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
// TODO: account for uncommenting with uneven comment indentation
|
|
|
|
|
|
|
|
mod toggle_line_comment {
|
|
|
|
|
|
|
|
use super::*;
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
#[test]
|
|
|
|
|
|
|
|
fn comment() {
|
|
|
|
|
|
|
|
// four lines, two space indented, except for line 1 which is blank.
|
|
|
|
|
|
|
|
let mut doc = Rope::from(" 1\n\n 2\n 3");
|
|
|
|
|
|
|
|
// select whole document
|
|
|
|
|
|
|
|
let selection = Selection::single(0, doc.len_chars() - 1);
|
|
|
|
|
|
|
|
|
|
|
|
// comment
|
|
|
|
|
|
|
|
let transaction = toggle_line_comments(&doc, &selection, None);
|
|
|
|
let transaction = toggle_line_comments(&doc, &selection, None);
|
|
|
|
transaction.apply(&mut doc);
|
|
|
|
transaction.apply(&mut doc);
|
|
|
|
selection = selection.map(transaction.changes());
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
assert_eq!(doc, " // 1\n\n // 2\n // 3");
|
|
|
|
assert_eq!(doc, " // 1\n\n // 2\n // 3");
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
#[test]
|
|
|
|
|
|
|
|
fn uncomment() {
|
|
|
|
|
|
|
|
let mut doc = Rope::from(" // 1\n\n // 2\n // 3");
|
|
|
|
|
|
|
|
let mut selection = Selection::single(0, doc.len_chars() - 1);
|
|
|
|
|
|
|
|
|
|
|
|
// uncomment
|
|
|
|
|
|
|
|
let transaction = toggle_line_comments(&doc, &selection, None);
|
|
|
|
let transaction = toggle_line_comments(&doc, &selection, None);
|
|
|
|
transaction.apply(&mut doc);
|
|
|
|
transaction.apply(&mut doc);
|
|
|
|
selection = selection.map(transaction.changes());
|
|
|
|
selection = selection.map(transaction.changes());
|
|
|
|
|
|
|
|
|
|
|
|
assert_eq!(doc, " 1\n\n 2\n 3");
|
|
|
|
assert_eq!(doc, " 1\n\n 2\n 3");
|
|
|
|
assert!(selection.len() == 1); // to ignore the selection unused warning
|
|
|
|
assert!(selection.len() == 1); // to ignore the selection unused warning
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// 0 margin comments
|
|
|
|
#[test]
|
|
|
|
doc = Rope::from(" //1\n\n //2\n //3");
|
|
|
|
fn uncomment_0_margin_comments() {
|
|
|
|
// reset the selection.
|
|
|
|
let mut doc = Rope::from(" //1\n\n //2\n //3");
|
|
|
|
selection = Selection::single(0, doc.len_chars() - 1);
|
|
|
|
let mut selection = Selection::single(0, doc.len_chars() - 1);
|
|
|
|
|
|
|
|
|
|
|
|
let transaction = toggle_line_comments(&doc, &selection, None);
|
|
|
|
let transaction = toggle_line_comments(&doc, &selection, None);
|
|
|
|
transaction.apply(&mut doc);
|
|
|
|
transaction.apply(&mut doc);
|
|
|
|
selection = selection.map(transaction.changes());
|
|
|
|
selection = selection.map(transaction.changes());
|
|
|
|
|
|
|
|
|
|
|
|
assert_eq!(doc, " 1\n\n 2\n 3");
|
|
|
|
assert_eq!(doc, " 1\n\n 2\n 3");
|
|
|
|
assert!(selection.len() == 1); // to ignore the selection unused warning
|
|
|
|
assert!(selection.len() == 1); // to ignore the selection unused warning
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// 0 margin comments, with no space
|
|
|
|
#[test]
|
|
|
|
doc = Rope::from("//");
|
|
|
|
fn uncomment_0_margin_comments_with_no_space() {
|
|
|
|
// reset the selection.
|
|
|
|
let mut doc = Rope::from("//");
|
|
|
|
selection = Selection::single(0, doc.len_chars() - 1);
|
|
|
|
let mut selection = Selection::single(0, doc.len_chars() - 1);
|
|
|
|
|
|
|
|
|
|
|
|
let transaction = toggle_line_comments(&doc, &selection, None);
|
|
|
|
let transaction = toggle_line_comments(&doc, &selection, None);
|
|
|
|
transaction.apply(&mut doc);
|
|
|
|
transaction.apply(&mut doc);
|
|
|
|
selection = selection.map(transaction.changes());
|
|
|
|
selection = selection.map(transaction.changes());
|
|
|
|
assert_eq!(doc, "");
|
|
|
|
assert_eq!(doc, "");
|
|
|
|
assert!(selection.len() == 1); // to ignore the selection unused warning
|
|
|
|
assert!(selection.len() == 1); // to ignore the selection unused warning
|
|
|
|
|
|
|
|
}
|
|
|
|
// TODO: account for uncommenting with uneven comment indentation
|
|
|
|
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
#[test]
|
|
|
|
#[test]
|
|
|
|
@ -413,4 +462,32 @@ mod test {
|
|
|
|
transaction.apply(&mut doc);
|
|
|
|
transaction.apply(&mut doc);
|
|
|
|
assert_eq!(doc, "");
|
|
|
|
assert_eq!(doc, "");
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/// Test, if `get_comment_tokens` works, even if the content of the file includes chars, whose
|
|
|
|
|
|
|
|
/// byte size unequal the amount of chars
|
|
|
|
|
|
|
|
#[test]
|
|
|
|
|
|
|
|
fn test_get_comment_with_char_boundaries() {
|
|
|
|
|
|
|
|
let rope = Rope::from("··");
|
|
|
|
|
|
|
|
let tokens = ["//", "///"];
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
assert_eq!(
|
|
|
|
|
|
|
|
super::get_comment_token(rope.slice(..), tokens.as_slice(), 0),
|
|
|
|
|
|
|
|
None
|
|
|
|
|
|
|
|
);
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/// Test for `get_comment_token`.
|
|
|
|
|
|
|
|
///
|
|
|
|
|
|
|
|
/// Assuming the comment tokens are stored as `["///", "//"]`, `get_comment_token` should still
|
|
|
|
|
|
|
|
/// return `///` instead of `//` if the user is in a doc-comment section.
|
|
|
|
|
|
|
|
#[test]
|
|
|
|
|
|
|
|
fn test_use_longest_comment() {
|
|
|
|
|
|
|
|
let text = Rope::from(" /// amogus");
|
|
|
|
|
|
|
|
let tokens = ["///", "//"];
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
assert_eq!(
|
|
|
|
|
|
|
|
super::get_comment_token(text.slice(..), tokens.as_slice(), 0),
|
|
|
|
|
|
|
|
Some("///")
|
|
|
|
|
|
|
|
);
|
|
|
|
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
Cedric Meukens
2 weeks ago
committed by
GitHub