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-rw-r--r--helix-core/src/date.rs127
1 files changed, 85 insertions, 42 deletions
diff --git a/helix-core/src/date.rs b/helix-core/src/date.rs
index e189fe03..e7205c94 100644
--- a/helix-core/src/date.rs
+++ b/helix-core/src/date.rs
@@ -45,8 +45,21 @@ pub struct DateIncrementor {
impl DateIncrementor {
pub fn from_range(text: RopeSlice, range: Range) -> Option<DateIncrementor> {
+ let range = if range.is_empty() {
+ if range.anchor < text.len_bytes() {
+ // Treat empty range as a cursor range.
+ range.put_cursor(text, range.anchor + 1, true)
+ } else {
+ // The range is empty and at the end of the text.
+ return None;
+ }
+ } else {
+ range
+ };
+
let from = range.from().saturating_sub(DATE_LENGTH);
let to = (range.from() + DATE_LENGTH).min(text.len_chars());
+
let (from_in_text, to_in_text) = (range.from() - from, range.to() - from);
let text: Cow<str> = text.slice(from..to).into();
@@ -58,35 +71,28 @@ impl DateIncrementor {
let offset = range.from() - from_in_text;
let range = Range::new(date.start() + offset, date.end() + offset);
- let year = captures.get(1)?;
- let month = captures.get(2)?;
- let day = captures.get(3)?;
-
- let year_range = year.range();
- let month_range = month.range();
- let day_range = day.range();
+ let (year, month, day) = (captures.get(1)?, captures.get(2)?, captures.get(3)?);
+ let (year_range, month_range, day_range) = (year.range(), month.range(), day.range());
- let to_inclusive = if to_in_text > from_in_text {
- to_in_text - 1
- } else {
- to_in_text
- };
- let field = if year_range.contains(&from_in_text) && year_range.contains(&to_inclusive)
+ let field = if year_range.contains(&from_in_text)
+ && year_range.contains(&(to_in_text - 1))
{
DateField::Year
- } else if month_range.contains(&from_in_text) && month_range.contains(&to_inclusive) {
+ } else if month_range.contains(&from_in_text) && month_range.contains(&(to_in_text - 1))
+ {
DateField::Month
- } else if day_range.contains(&from_in_text) && day_range.contains(&to_inclusive) {
+ } else if day_range.contains(&from_in_text) && day_range.contains(&(to_in_text - 1)) {
DateField::Day
} else {
return None;
};
- let year: i16 = year.as_str().parse().ok()?;
- let month: u8 = month.as_str().parse().ok()?;
- let day: u8 = day.as_str().parse().ok()?;
-
- let date = Date::new(year, month, day).ok()?;
+ let date = Date::new(
+ year.as_str().parse::<i16>().ok()?,
+ month.as_str().parse::<u8>().ok()?,
+ day.as_str().parse::<u8>().ok()?,
+ )
+ .ok()?;
Some(DateIncrementor {
date,
@@ -131,8 +137,8 @@ mod test {
fn test_create_incrementor_for_year_with_dashes() {
let rope = Rope::from_str("2021-11-15");
- for head in 0..=3 {
- let range = Range::point(head);
+ for cursor in 0..=3 {
+ let range = Range::new(cursor, cursor + 1);
assert_eq!(
DateIncrementor::from_range(rope.slice(..), range),
Some(DateIncrementor {
@@ -149,8 +155,8 @@ mod test {
fn test_create_incrementor_for_month_with_dashes() {
let rope = Rope::from_str("2021-11-15");
- for head in 5..=6 {
- let range = Range::point(head);
+ for cursor in 5..=6 {
+ let range = Range::new(cursor, cursor + 1);
assert_eq!(
DateIncrementor::from_range(rope.slice(..), range),
Some(DateIncrementor {
@@ -167,8 +173,8 @@ mod test {
fn test_create_incrementor_for_day_with_dashes() {
let rope = Rope::from_str("2021-11-15");
- for head in 8..=9 {
- let range = Range::point(head);
+ for cursor in 8..=9 {
+ let range = Range::new(cursor, cursor + 1);
assert_eq!(
DateIncrementor::from_range(rope.slice(..), range),
Some(DateIncrementor {
@@ -185,8 +191,8 @@ mod test {
fn test_try_create_incrementor_on_dashes() {
let rope = Rope::from_str("2021-11-15");
- for head in &[4, 7] {
- let range = Range::point(*head);
+ for &cursor in &[4, 7] {
+ let range = Range::new(cursor, cursor + 1);
assert_eq!(DateIncrementor::from_range(rope.slice(..), range), None,);
}
}
@@ -195,8 +201,8 @@ mod test {
fn test_create_incrementor_for_year_with_slashes() {
let rope = Rope::from_str("2021/11/15");
- for head in 0..=3 {
- let range = Range::point(head);
+ for cursor in 0..=3 {
+ let range = Range::new(cursor, cursor + 1);
assert_eq!(
DateIncrementor::from_range(rope.slice(..), range),
Some(DateIncrementor {
@@ -213,8 +219,8 @@ mod test {
fn test_create_incrementor_for_month_with_slashes() {
let rope = Rope::from_str("2021/11/15");
- for head in 5..=6 {
- let range = Range::point(head);
+ for cursor in 5..=6 {
+ let range = Range::new(cursor, cursor + 1);
assert_eq!(
DateIncrementor::from_range(rope.slice(..), range),
Some(DateIncrementor {
@@ -231,8 +237,8 @@ mod test {
fn test_create_incrementor_for_day_with_slashes() {
let rope = Rope::from_str("2021/11/15");
- for head in 8..=9 {
- let range = Range::point(head);
+ for cursor in 8..=9 {
+ let range = Range::new(cursor, cursor + 1);
assert_eq!(
DateIncrementor::from_range(rope.slice(..), range),
Some(DateIncrementor {
@@ -249,8 +255,8 @@ mod test {
fn test_try_create_incrementor_on_slashes() {
let rope = Rope::from_str("2021/11/15");
- for head in &[4, 7] {
- let range = Range::point(*head);
+ for &cursor in &[4, 7] {
+ let range = Range::new(cursor, cursor + 1);
assert_eq!(DateIncrementor::from_range(rope.slice(..), range), None,);
}
}
@@ -258,7 +264,7 @@ mod test {
#[test]
fn test_date_surrounded_by_spaces() {
let rope = Rope::from_str(" 2021-11-15 ");
- let range = Range::point(3);
+ let range = Range::new(3, 4);
assert_eq!(
DateIncrementor::from_range(rope.slice(..), range),
Some(DateIncrementor {
@@ -273,7 +279,7 @@ mod test {
#[test]
fn test_date_in_single_quotes() {
let rope = Rope::from_str("date = '2021-11-15'");
- let range = Range::point(10);
+ let range = Range::new(10, 11);
assert_eq!(
DateIncrementor::from_range(rope.slice(..), range),
Some(DateIncrementor {
@@ -288,7 +294,7 @@ mod test {
#[test]
fn test_date_in_double_quotes() {
let rope = Rope::from_str("let date = \"2021-11-15\";");
- let range = Range::point(12);
+ let range = Range::new(12, 13);
assert_eq!(
DateIncrementor::from_range(rope.slice(..), range),
Some(DateIncrementor {
@@ -303,14 +309,51 @@ mod test {
#[test]
fn test_date_cursor_one_right_of_date() {
let rope = Rope::from_str("2021-11-15 ");
- let range = Range::point(10);
+ let range = Range::new(10, 11);
assert_eq!(DateIncrementor::from_range(rope.slice(..), range), None);
}
#[test]
fn test_date_cursor_one_left_of_number() {
let rope = Rope::from_str(" 2021-11-15");
+ let range = Range::new(0, 1);
+ assert_eq!(DateIncrementor::from_range(rope.slice(..), range), None);
+ }
+
+ #[test]
+ fn test_date_empty_range_at_beginning() {
+ let rope = Rope::from_str("2021-11-15");
let range = Range::point(0);
+ assert_eq!(
+ DateIncrementor::from_range(rope.slice(..), range),
+ Some(DateIncrementor {
+ date: Date::new(2021, 11, 15).unwrap(),
+ range: Range::new(0, 10),
+ field: DateField::Year,
+ format: FORMATS[0],
+ })
+ );
+ }
+
+ #[test]
+ fn test_date_empty_range_at_in_middle() {
+ let rope = Rope::from_str("2021-11-15");
+ let range = Range::point(5);
+ assert_eq!(
+ DateIncrementor::from_range(rope.slice(..), range),
+ Some(DateIncrementor {
+ date: Date::new(2021, 11, 15).unwrap(),
+ range: Range::new(0, 10),
+ field: DateField::Month,
+ format: FORMATS[0],
+ })
+ );
+ }
+
+ #[test]
+ fn test_date_empty_range_at_end() {
+ let rope = Rope::from_str("2021-11-15");
+ let range = Range::point(10);
assert_eq!(DateIncrementor::from_range(rope.slice(..), range), None);
}
@@ -337,7 +380,7 @@ mod test {
for invalid in tests {
let rope = Rope::from_str(invalid);
- let range = Range::point(0);
+ let range = Range::new(0, 1);
assert_eq!(DateIncrementor::from_range(rope.slice(..), range), None);
}
@@ -367,7 +410,7 @@ mod test {
for (original, cursor, amount, expected) in tests {
let rope = Rope::from_str(original);
- let range = Range::point(cursor);
+ let range = Range::new(cursor, cursor + 1);
assert_eq!(
DateIncrementor::from_range(rope.slice(..), range)
.unwrap()