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-rw-r--r--helix-core/src/increment/date_time.rs321
-rw-r--r--helix-core/src/increment/integer.rs235
-rw-r--r--helix-core/src/increment/mod.rs12
-rw-r--r--helix-core/src/increment/number.rs507
4 files changed, 317 insertions, 758 deletions
diff --git a/helix-core/src/increment/date_time.rs b/helix-core/src/increment/date_time.rs
index 265242ce..2980bb58 100644
--- a/helix-core/src/increment/date_time.rs
+++ b/helix-core/src/increment/date_time.rs
@@ -1,114 +1,53 @@
-use chrono::{Datelike, Duration, NaiveDate, NaiveDateTime, NaiveTime, Timelike};
+use chrono::{Duration, NaiveDate, NaiveDateTime, NaiveTime};
use once_cell::sync::Lazy;
use regex::Regex;
-use ropey::RopeSlice;
-
-use std::borrow::Cow;
-use std::cmp;
use std::fmt::Write;
-use super::Increment;
-use crate::{Range, Tendril};
+/// Increment a Date or DateTime
+///
+/// If just a Date is selected the day will be incremented.
+/// If a DateTime is selected the second will be incremented.
+pub fn increment(selected_text: &str, amount: i64) -> Option<String> {
+ if selected_text.is_empty() {
+ return None;
+ }
-#[derive(Debug, PartialEq, Eq)]
-pub struct DateTimeIncrementor {
- date_time: NaiveDateTime,
- range: Range,
- fmt: &'static str,
- field: DateField,
-}
+ FORMATS.iter().find_map(|format| {
+ let captures = format.regex.captures(selected_text)?;
+ if captures.len() - 1 != format.fields.len() {
+ return None;
+ }
-impl DateTimeIncrementor {
- pub fn from_range(text: RopeSlice, range: Range) -> Option<DateTimeIncrementor> {
- let range = if range.is_empty() {
- if range.anchor < text.len_chars() {
- // 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;
+ let date_time = captures.get(0)?;
+ let has_date = format.fields.iter().any(|f| f.unit.is_date());
+ let has_time = format.fields.iter().any(|f| f.unit.is_time());
+ let date_time = &selected_text[date_time.start()..date_time.end()];
+ match (has_date, has_time) {
+ (true, true) => {
+ let date_time = NaiveDateTime::parse_from_str(date_time, format.fmt).ok()?;
+ Some(
+ date_time
+ .checked_add_signed(Duration::minutes(amount))?
+ .format(format.fmt)
+ .to_string(),
+ )
}
- } else {
- range
- };
-
- FORMATS.iter().find_map(|format| {
- let from = range.from().saturating_sub(format.max_len);
- let to = (range.from() + format.max_len).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();
-
- let captures = format.regex.captures(&text)?;
- if captures.len() - 1 != format.fields.len() {
- return None;
+ (true, false) => {
+ let date = NaiveDate::parse_from_str(date_time, format.fmt).ok()?;
+ Some(
+ date.checked_add_signed(Duration::days(amount))?
+ .format(format.fmt)
+ .to_string(),
+ )
}
-
- let date_time = captures.get(0)?;
- let offset = range.from() - from_in_text;
- let range = Range::new(date_time.start() + offset, date_time.end() + offset);
-
- let field = captures
- .iter()
- .skip(1)
- .enumerate()
- .find_map(|(i, capture)| {
- let capture = capture?;
- let capture_range = capture.range();
-
- if capture_range.contains(&from_in_text)
- && capture_range.contains(&(to_in_text - 1))
- {
- Some(format.fields[i])
- } else {
- None
- }
- })?;
-
- let has_date = format.fields.iter().any(|f| f.unit.is_date());
- let has_time = format.fields.iter().any(|f| f.unit.is_time());
-
- let date_time = &text[date_time.start()..date_time.end()];
- let date_time = match (has_date, has_time) {
- (true, true) => NaiveDateTime::parse_from_str(date_time, format.fmt).ok()?,
- (true, false) => {
- let date = NaiveDate::parse_from_str(date_time, format.fmt).ok()?;
-
- date.and_hms_opt(0, 0, 0).unwrap()
- }
- (false, true) => {
- let time = NaiveTime::parse_from_str(date_time, format.fmt).ok()?;
-
- NaiveDate::from_ymd_opt(0, 1, 1).unwrap().and_time(time)
- }
- (false, false) => return None,
- };
-
- Some(DateTimeIncrementor {
- date_time,
- range,
- fmt: format.fmt,
- field,
- })
- })
- }
-}
-
-impl Increment for DateTimeIncrementor {
- fn increment(&self, amount: i64) -> (Range, Tendril) {
- let date_time = match self.field.unit {
- DateUnit::Years => add_years(self.date_time, amount),
- DateUnit::Months => add_months(self.date_time, amount),
- DateUnit::Days => add_duration(self.date_time, Duration::days(amount)),
- DateUnit::Hours => add_duration(self.date_time, Duration::hours(amount)),
- DateUnit::Minutes => add_duration(self.date_time, Duration::minutes(amount)),
- DateUnit::Seconds => add_duration(self.date_time, Duration::seconds(amount)),
- DateUnit::AmPm => toggle_am_pm(self.date_time),
+ (false, true) => {
+ let time = NaiveTime::parse_from_str(date_time, format.fmt).ok()?;
+ let (adjusted_time, _) = time.overflowing_add_signed(Duration::minutes(amount));
+ Some(adjusted_time.format(format.fmt).to_string())
+ }
+ (false, false) => None,
}
- .unwrap_or(self.date_time);
-
- (self.range, date_time.format(self.fmt).to_string().into())
- }
+ })
}
static FORMATS: Lazy<Vec<Format>> = Lazy::new(|| {
@@ -144,7 +83,7 @@ impl Format {
fn new(fmt: &'static str) -> Self {
let mut remaining = fmt;
let mut fields = Vec::new();
- let mut regex = String::new();
+ let mut regex = "^".to_string();
let mut max_len = 0;
while let Some(i) = remaining.find('%') {
@@ -166,6 +105,7 @@ impl Format {
write!(regex, "({})", field.regex).unwrap();
remaining = &after[spec_len..];
}
+ regex += "$";
let regex = Regex::new(&regex).unwrap();
@@ -305,155 +245,47 @@ impl DateUnit {
}
}
-fn ndays_in_month(year: i32, month: u32) -> u32 {
- // The first day of the next month...
- let (y, m) = if month == 12 {
- (year + 1, 1)
- } else {
- (year, month + 1)
- };
- let d = NaiveDate::from_ymd_opt(y, m, 1).unwrap();
-
- // ...is preceded by the last day of the original month.
- d.pred_opt().unwrap().day()
-}
-
-fn add_months(date_time: NaiveDateTime, amount: i64) -> Option<NaiveDateTime> {
- let month = (date_time.month0() as i64).checked_add(amount)?;
- let year = date_time.year() + i32::try_from(month / 12).ok()?;
- let year = if month.is_negative() { year - 1 } else { year };
-
- // Normalize month
- let month = month % 12;
- let month = if month.is_negative() {
- month + 12
- } else {
- month
- } as u32
- + 1;
-
- let day = cmp::min(date_time.day(), ndays_in_month(year, month));
-
- NaiveDate::from_ymd_opt(year, month, day).map(|date| date.and_time(date_time.time()))
-}
-
-fn add_years(date_time: NaiveDateTime, amount: i64) -> Option<NaiveDateTime> {
- let year = i32::try_from((date_time.year() as i64).checked_add(amount)?).ok()?;
- let ndays = ndays_in_month(year, date_time.month());
-
- if date_time.day() > ndays {
- NaiveDate::from_ymd_opt(year, date_time.month(), ndays)
- .and_then(|date| date.succ_opt().map(|date| date.and_time(date_time.time())))
- } else {
- date_time.with_year(year)
- }
-}
-
-fn add_duration(date_time: NaiveDateTime, duration: Duration) -> Option<NaiveDateTime> {
- date_time.checked_add_signed(duration)
-}
-
-fn toggle_am_pm(date_time: NaiveDateTime) -> Option<NaiveDateTime> {
- if date_time.hour() < 12 {
- add_duration(date_time, Duration::hours(12))
- } else {
- add_duration(date_time, Duration::hours(-12))
- }
-}
-
#[cfg(test)]
mod test {
use super::*;
- use crate::Rope;
#[test]
fn test_increment_date_times() {
let tests = [
// (original, cursor, amount, expected)
- ("2020-02-28", 0, 1, "2021-02-28"),
- ("2020-02-29", 0, 1, "2021-03-01"),
- ("2020-01-31", 5, 1, "2020-02-29"),
- ("2020-01-20", 5, 1, "2020-02-20"),
- ("2021-01-01", 5, -1, "2020-12-01"),
- ("2021-01-31", 5, -2, "2020-11-30"),
- ("2020-02-28", 8, 1, "2020-02-29"),
- ("2021-02-28", 8, 1, "2021-03-01"),
- ("2021-02-28", 0, -1, "2020-02-28"),
- ("2021-03-01", 0, -1, "2020-03-01"),
- ("2020-02-29", 5, -1, "2020-01-29"),
- ("2020-02-20", 5, -1, "2020-01-20"),
- ("2020-02-29", 8, -1, "2020-02-28"),
- ("2021-03-01", 8, -1, "2021-02-28"),
- ("1980/12/21", 8, 100, "1981/03/31"),
- ("1980/12/21", 8, -100, "1980/09/12"),
- ("1980/12/21", 8, 1000, "1983/09/17"),
- ("1980/12/21", 8, -1000, "1978/03/27"),
- ("2021-11-24 07:12:23", 0, 1, "2022-11-24 07:12:23"),
- ("2021-11-24 07:12:23", 5, 1, "2021-12-24 07:12:23"),
- ("2021-11-24 07:12:23", 8, 1, "2021-11-25 07:12:23"),
- ("2021-11-24 07:12:23", 11, 1, "2021-11-24 08:12:23"),
- ("2021-11-24 07:12:23", 14, 1, "2021-11-24 07:13:23"),
- ("2021-11-24 07:12:23", 17, 1, "2021-11-24 07:12:24"),
- ("2021/11/24 07:12:23", 0, 1, "2022/11/24 07:12:23"),
- ("2021/11/24 07:12:23", 5, 1, "2021/12/24 07:12:23"),
- ("2021/11/24 07:12:23", 8, 1, "2021/11/25 07:12:23"),
- ("2021/11/24 07:12:23", 11, 1, "2021/11/24 08:12:23"),
- ("2021/11/24 07:12:23", 14, 1, "2021/11/24 07:13:23"),
- ("2021/11/24 07:12:23", 17, 1, "2021/11/24 07:12:24"),
- ("2021-11-24 07:12", 0, 1, "2022-11-24 07:12"),
- ("2021-11-24 07:12", 5, 1, "2021-12-24 07:12"),
- ("2021-11-24 07:12", 8, 1, "2021-11-25 07:12"),
- ("2021-11-24 07:12", 11, 1, "2021-11-24 08:12"),
- ("2021-11-24 07:12", 14, 1, "2021-11-24 07:13"),
- ("2021/11/24 07:12", 0, 1, "2022/11/24 07:12"),
- ("2021/11/24 07:12", 5, 1, "2021/12/24 07:12"),
- ("2021/11/24 07:12", 8, 1, "2021/11/25 07:12"),
- ("2021/11/24 07:12", 11, 1, "2021/11/24 08:12"),
- ("2021/11/24 07:12", 14, 1, "2021/11/24 07:13"),
- ("Wed Nov 24 2021", 0, 1, "Thu Nov 25 2021"),
- ("Wed Nov 24 2021", 4, 1, "Fri Dec 24 2021"),
- ("Wed Nov 24 2021", 8, 1, "Thu Nov 25 2021"),
- ("Wed Nov 24 2021", 11, 1, "Thu Nov 24 2022"),
- ("24-Nov-2021", 0, 1, "25-Nov-2021"),
- ("24-Nov-2021", 3, 1, "24-Dec-2021"),
- ("24-Nov-2021", 7, 1, "24-Nov-2022"),
- ("2021 Nov 24", 0, 1, "2022 Nov 24"),
- ("2021 Nov 24", 5, 1, "2021 Dec 24"),
- ("2021 Nov 24", 9, 1, "2021 Nov 25"),
- ("Nov 24, 2021", 0, 1, "Dec 24, 2021"),
- ("Nov 24, 2021", 4, 1, "Nov 25, 2021"),
- ("Nov 24, 2021", 8, 1, "Nov 24, 2022"),
- ("7:21:53 am", 0, 1, "8:21:53 am"),
- ("7:21:53 am", 3, 1, "7:22:53 am"),
- ("7:21:53 am", 5, 1, "7:21:54 am"),
- ("7:21:53 am", 8, 1, "7:21:53 pm"),
- ("7:21:53 AM", 0, 1, "8:21:53 AM"),
- ("7:21:53 AM", 3, 1, "7:22:53 AM"),
- ("7:21:53 AM", 5, 1, "7:21:54 AM"),
- ("7:21:53 AM", 8, 1, "7:21:53 PM"),
- ("7:21 am", 0, 1, "8:21 am"),
- ("7:21 am", 3, 1, "7:22 am"),
- ("7:21 am", 5, 1, "7:21 pm"),
- ("7:21 AM", 0, 1, "8:21 AM"),
- ("7:21 AM", 3, 1, "7:22 AM"),
- ("7:21 AM", 5, 1, "7:21 PM"),
- ("23:24:23", 1, 1, "00:24:23"),
- ("23:24:23", 3, 1, "23:25:23"),
- ("23:24:23", 6, 1, "23:24:24"),
- ("23:24", 1, 1, "00:24"),
- ("23:24", 3, 1, "23:25"),
+ ("2020-02-28", 1, "2020-02-29"),
+ ("2020-02-29", 1, "2020-03-01"),
+ ("2020-01-31", 1, "2020-02-01"),
+ ("2020-01-20", 1, "2020-01-21"),
+ ("2021-01-01", -1, "2020-12-31"),
+ ("2021-01-31", -2, "2021-01-29"),
+ ("2020-02-28", 1, "2020-02-29"),
+ ("2021-02-28", 1, "2021-03-01"),
+ ("2021-03-01", -1, "2021-02-28"),
+ ("2020-02-29", -1, "2020-02-28"),
+ ("2020-02-20", -1, "2020-02-19"),
+ ("2021-03-01", -1, "2021-02-28"),
+ ("1980/12/21", 100, "1981/03/31"),
+ ("1980/12/21", -100, "1980/09/12"),
+ ("1980/12/21", 1000, "1983/09/17"),
+ ("1980/12/21", -1000, "1978/03/27"),
+ ("2021-11-24 07:12:23", 1, "2021-11-24 07:13:23"),
+ ("2021-11-24 07:12", 1, "2021-11-24 07:13"),
+ ("Wed Nov 24 2021", 1, "Thu Nov 25 2021"),
+ ("24-Nov-2021", 1, "25-Nov-2021"),
+ ("2021 Nov 24", 1, "2021 Nov 25"),
+ ("Nov 24, 2021", 1, "Nov 25, 2021"),
+ ("7:21:53 am", 1, "7:22:53 am"),
+ ("7:21:53 AM", 1, "7:22:53 AM"),
+ ("7:21 am", 1, "7:22 am"),
+ ("23:24:23", 1, "23:25:23"),
+ ("23:24", 1, "23:25"),
+ ("23:59", 1, "00:00"),
+ ("23:59:59", 1, "00:00:59"),
];
- for (original, cursor, amount, expected) in tests {
- let rope = Rope::from_str(original);
- let range = Range::new(cursor, cursor + 1);
- assert_eq!(
- DateTimeIncrementor::from_range(rope.slice(..), range)
- .unwrap()
- .increment(amount)
- .1,
- Tendril::from(expected)
- );
+ for (original, amount, expected) in tests {
+ assert_eq!(increment(original, amount).unwrap(), expected);
}
}
@@ -482,10 +314,7 @@ mod test {
];
for invalid in tests {
- let rope = Rope::from_str(invalid);
- let range = Range::new(0, 1);
-
- assert_eq!(DateTimeIncrementor::from_range(rope.slice(..), range), None)
+ assert_eq!(increment(invalid, 1), None)
}
}
}
diff --git a/helix-core/src/increment/integer.rs b/helix-core/src/increment/integer.rs
new file mode 100644
index 00000000..30803e17
--- /dev/null
+++ b/helix-core/src/increment/integer.rs
@@ -0,0 +1,235 @@
+const SEPARATOR: char = '_';
+
+/// Increment an integer.
+///
+/// Supported bases:
+/// 2 with prefix 0b
+/// 8 with prefix 0o
+/// 10 with no prefix
+/// 16 with prefix 0x
+///
+/// An integer can contain `_` as a separator but may not start or end with a separator.
+/// Base 10 integers can go negative, but bases 2, 8, and 16 cannot.
+/// All addition and subtraction is saturating.
+pub fn increment(selected_text: &str, amount: i64) -> Option<String> {
+ if selected_text.is_empty()
+ || selected_text.ends_with(SEPARATOR)
+ || selected_text.starts_with(SEPARATOR)
+ {
+ return None;
+ }
+
+ let radix = if selected_text.starts_with("0x") {
+ 16
+ } else if selected_text.starts_with("0o") {
+ 8
+ } else if selected_text.starts_with("0b") {
+ 2
+ } else {
+ 10
+ };
+
+ // Get separator indexes from right to left.
+ let separator_rtl_indexes: Vec<usize> = selected_text
+ .chars()
+ .rev()
+ .enumerate()
+ .filter_map(|(i, c)| if c == SEPARATOR { Some(i) } else { None })
+ .collect();
+
+ let word: String = selected_text.chars().filter(|&c| c != SEPARATOR).collect();
+
+ let mut new_text = if radix == 10 {
+ let number = &word;
+ let value = i128::from_str_radix(number, radix).ok()?;
+ let new_value = value.saturating_add(amount as i128);
+
+ let format_length = match (value.is_negative(), new_value.is_negative()) {
+ (true, false) => number.len() - 1,
+ (false, true) => number.len() + 1,
+ _ => number.len(),
+ } - separator_rtl_indexes.len();
+
+ if number.starts_with('0') || number.starts_with("-0") {
+ format!("{:01$}", new_value, format_length)
+ } else {
+ format!("{}", new_value)
+ }
+ } else {
+ let number = &word[2..];
+ let value = u128::from_str_radix(number, radix).ok()?;
+ let new_value = (value as i128).saturating_add(amount as i128);
+ let new_value = if new_value < 0 { 0 } else { new_value };
+ let format_length = selected_text.len() - 2 - separator_rtl_indexes.len();
+
+ match radix {
+ 2 => format!("0b{:01$b}", new_value, format_length),
+ 8 => format!("0o{:01$o}", new_value, format_length),
+ 16 => {
+ let (lower_count, upper_count): (usize, usize) =
+ number.chars().fold((0, 0), |(lower, upper), c| {
+ (
+ lower + c.is_ascii_lowercase().then(|| 1).unwrap_or(0),
+ upper + c.is_ascii_uppercase().then(|| 1).unwrap_or(0),
+ )
+ });
+ if upper_count > lower_count {
+ format!("0x{:01$X}", new_value, format_length)
+ } else {
+ format!("0x{:01$x}", new_value, format_length)
+ }
+ }
+ _ => unimplemented!("radix not supported: {}", radix),
+ }
+ };
+
+ // Add separators from original number.
+ for &rtl_index in &separator_rtl_indexes {
+ if rtl_index < new_text.len() {
+ let new_index = new_text.len().saturating_sub(rtl_index);
+ if new_index > 0 {
+ new_text.insert(new_index, SEPARATOR);
+ }
+ }
+ }
+
+ // Add in additional separators if necessary.
+ if new_text.len() > selected_text.len() && !separator_rtl_indexes.is_empty() {
+ let spacing = match separator_rtl_indexes.as_slice() {
+ [.., b, a] => a - b - 1,
+ _ => separator_rtl_indexes[0],
+ };
+
+ let prefix_length = if radix == 10 { 0 } else { 2 };
+ if let Some(mut index) = new_text.find(SEPARATOR) {
+ while index - prefix_length > spacing {
+ index -= spacing;
+ new_text.insert(index, SEPARATOR);
+ }
+ }
+ }
+
+ Some(new_text)
+}
+
+#[cfg(test)]
+mod test {
+ use super::*;
+
+ #[test]
+ fn test_increment_basic_decimal_numbers() {
+ let tests = [
+ ("100", 1, "101"),
+ ("100", -1, "99"),
+ ("99", 1, "100"),
+ ("100", 1000, "1100"),
+ ("100", -1000, "-900"),
+ ("-1", 1, "0"),
+ ("-1", 2, "1"),
+ ("1", -1, "0"),
+ ("1", -2, "-1"),
+ ];
+
+ for (original, amount, expected) in tests {
+ assert_eq!(increment(original, amount).unwrap(), expected);
+ }
+ }
+
+ #[test]
+ fn test_increment_basic_hexadecimal_numbers() {
+ let tests = [
+ ("0x0100", 1, "0x0101"),
+ ("0x0100", -1, "0x00ff"),
+ ("0x0001", -1, "0x0000"),
+ ("0x0000", -1, "0x0000"),
+ ("0xffffffffffffffff", 1, "0x10000000000000000"),
+ ("0xffffffffffffffff", 2, "0x10000000000000001"),
+ ("0xffffffffffffffff", -1, "0xfffffffffffffffe"),
+ ("0xABCDEF1234567890", 1, "0xABCDEF1234567891"),
+ ("0xabcdef1234567890", 1, "0xabcdef1234567891"),
+ ];
+
+ for (original, amount, expected) in tests {
+ assert_eq!(increment(original, amount).unwrap(), expected);
+ }
+ }
+
+ #[test]
+ fn test_increment_basic_octal_numbers() {
+ let tests = [
+ ("0o0107", 1, "0o0110"),
+ ("0o0110", -1, "0o0107"),
+ ("0o0001", -1, "0o0000"),
+ ("0o7777", 1, "0o10000"),
+ ("0o1000", -1, "0o0777"),
+ ("0o0107", 10, "0o0121"),
+ ("0o0000", -1, "0o0000"),
+ ("0o1777777777777777777777", 1, "0o2000000000000000000000"),
+ ("0o1777777777777777777777", 2, "0o2000000000000000000001"),
+ ("0o1777777777777777777777", -1, "0o1777777777777777777776"),
+ ];
+
+ for (original, amount, expected) in tests {
+ assert_eq!(increment(original, amount).unwrap(), expected);
+ }
+ }
+
+ #[test]
+ fn test_increment_basic_binary_numbers() {
+ let tests = [
+ ("0b00000100", 1, "0b00000101"),
+ ("0b00000100", -1, "0b00000011"),
+ ("0b00000100", 2, "0b00000110"),
+ ("0b00000100", -2, "0b00000010"),
+ ("0b00000001", -1, "0b00000000"),
+ ("0b00111111", 10, "0b01001001"),
+ ("0b11111111", 1, "0b100000000"),
+ ("0b10000000", -1, "0b01111111"),
+ ("0b0000", -1, "0b0000"),
+ (
+ "0b1111111111111111111111111111111111111111111111111111111111111111",
+ 1,
+ "0b10000000000000000000000000000000000000000000000000000000000000000",
+ ),
+ (
+ "0b1111111111111111111111111111111111111111111111111111111111111111",
+ 2,
+ "0b10000000000000000000000000000000000000000000000000000000000000001",
+ ),
+ (
+ "0b1111111111111111111111111111111111111111111111111111111111111111",
+ -1,
+ "0b1111111111111111111111111111111111111111111111111111111111111110",
+ ),
+ ];
+
+ for (original, amount, expected) in tests {
+ assert_eq!(increment(original, amount).unwrap(), expected);
+ }
+ }
+
+ #[test]
+ fn test_increment_with_separators() {
+ let tests = [
+ ("999_999", 1, "1_000_000"),
+ ("1_000_000", -1, "999_999"),
+ ("-999_999", -1, "-1_000_000"),
+ ("0x0000_0000_0001", 0x1_ffff_0000, "0x0001_ffff_0001"),
+ ("0x0000_0000", -1, "0x0000_0000"),
+ ("0x0000_0000_0000", -1, "0x0000_0000_0000"),
+ ("0b01111111_11111111", 1, "0b10000000_00000000"),
+ ("0b11111111_11111111", 1, "0b1_00000000_00000000"),
+ ];
+
+ for (original, amount, expected) in tests {
+ assert_eq!(increment(original, amount).unwrap(), expected);
+ }
+ }
+
+ #[test]
+ fn test_leading_and_trailing_separators_arent_a_match() {
+ assert_eq!(increment("9_", 1), None);
+ assert_eq!(increment("_9", 1), None);
+ assert_eq!(increment("_9_", 1), None);
+ }
+}
diff --git a/helix-core/src/increment/mod.rs b/helix-core/src/increment/mod.rs
index f5945774..f1978bde 100644
--- a/helix-core/src/increment/mod.rs
+++ b/helix-core/src/increment/mod.rs
@@ -1,8 +1,10 @@
-pub mod date_time;
-pub mod number;
+mod date_time;
+mod integer;
-use crate::{Range, Tendril};
+pub fn integer(selected_text: &str, amount: i64) -> Option<String> {
+ integer::increment(selected_text, amount)
+}
-pub trait Increment {
- fn increment(&self, amount: i64) -> (Range, Tendril);
+pub fn date_time(selected_text: &str, amount: i64) -> Option<String> {
+ date_time::increment(selected_text, amount)
}
diff --git a/helix-core/src/increment/number.rs b/helix-core/src/increment/number.rs
deleted file mode 100644
index 91268729..00000000
--- a/helix-core/src/increment/number.rs
+++ /dev/null
@@ -1,507 +0,0 @@
-use std::borrow::Cow;
-
-use ropey::RopeSlice;
-
-use super::Increment;
-
-use crate::{
- textobject::{textobject_word, TextObject},
- Range, Tendril,
-};
-
-#[derive(Debug, PartialEq, Eq)]
-pub struct NumberIncrementor<'a> {
- value: i64,
- radix: u32,
- range: Range,
-
- text: RopeSlice<'a>,
-}
-
-impl<'a> NumberIncrementor<'a> {
- /// Return information about number under rang if there is one.
- pub fn from_range(text: RopeSlice, range: Range) -> Option<NumberIncrementor> {
- // If the cursor is on the minus sign of a number we want to get the word textobject to the
- // right of it.
- let range = if range.to() < text.len_chars()
- && range.to() - range.from() <= 1
- && text.char(range.from()) == '-'
- {
- Range::new(range.from() + 1, range.to() + 1)
- } else {
- range
- };
-
- let range = textobject_word(text, range, TextObject::Inside, 1, false);
-
- // If there is a minus sign to the left of the word object, we want to include it in the range.
- let range = if range.from() > 0 && text.char(range.from() - 1) == '-' {
- range.extend(range.from() - 1, range.from())
- } else {
- range
- };
-
- let word: String = text
- .slice(range.from()..range.to())
- .chars()
- .filter(|&c| c != '_')
- .collect();
- let (radix, prefixed) = if word.starts_with("0x") {
- (16, true)
- } else if word.starts_with("0o") {
- (8, true)
- } else if word.starts_with("0b") {
- (2, true)
- } else {
- (10, false)
- };
-
- let number = if prefixed { &word[2..] } else { &word };
-
- let value = i128::from_str_radix(number, radix).ok()?;
- if (value.is_positive() && value.leading_zeros() < 64)
- || (value.is_negative() && value.leading_ones() < 64)
- {
- return None;
- }
-
- let value = value as i64;
- Some(NumberIncrementor {
- range,
- value,
- radix,
- text,
- })
- }
-}
-
-impl<'a> Increment for NumberIncrementor<'a> {
- fn increment(&self, amount: i64) -> (Range, Tendril) {
- let old_text: Cow<str> = self.text.slice(self.range.from()..self.range.to()).into();
- let old_length = old_text.len();
- let new_value = self.value.wrapping_add(amount);
-
- // Get separator indexes from right to left.
- let separator_rtl_indexes: Vec<usize> = old_text
- .chars()
- .rev()
- .enumerate()
- .filter_map(|(i, c)| if c == '_' { Some(i) } else { None })
- .collect();
-
- let format_length = if self.radix == 10 {
- match (self.value.is_negative(), new_value.is_negative()) {
- (true, false) => old_length - 1,
- (false, true) => old_length + 1,
- _ => old_text.len(),
- }
- } else {
- old_text.len() - 2
- } - separator_rtl_indexes.len();
-
- let mut new_text = match self.radix {
- 2 => format!("0b{:01$b}", new_value, format_length),
- 8 => format!("0o{:01$o}", new_value, format_length),
- 10 if old_text.starts_with('0') || old_text.starts_with("-0") => {
- format!("{:01$}", new_value, format_length)
- }
- 10 => format!("{}", new_value),
- 16 => {
- let (lower_count, upper_count): (usize, usize) =
- old_text.chars().skip(2).fold((0, 0), |(lower, upper), c| {
- (
- lower + usize::from(c.is_ascii_lowercase()),
- upper + usize::from(c.is_ascii_uppercase()),
- )
- });
- if upper_count > lower_count {
- format!("0x{:01$X}", new_value, format_length)
- } else {
- format!("0x{:01$x}", new_value, format_length)
- }
- }
- _ => unimplemented!("radix not supported: {}", self.radix),
- };
-
- // Add separators from original number.
- for &rtl_index in &separator_rtl_indexes {
- if rtl_index < new_text.len() {
- let new_index = new_text.len() - rtl_index;
- new_text.insert(new_index, '_');
- }
- }
-
- // Add in additional separators if necessary.
- if new_text.len() > old_length && !separator_rtl_indexes.is_empty() {
- let spacing = match separator_rtl_indexes.as_slice() {
- [.., b, a] => a - b - 1,
- _ => separator_rtl_indexes[0],
- };
-
- let prefix_length = if self.radix == 10 { 0 } else { 2 };
- if let Some(mut index) = new_text.find('_') {
- while index - prefix_length > spacing {
- index -= spacing;
- new_text.insert(index, '_');
- }
- }
- }
-
- (self.range, new_text.into())
- }
-}
-
-#[cfg(test)]
-mod test {
- use super::*;
- use crate::Rope;
-
- #[test]
- fn test_decimal_at_point() {
- let rope = Rope::from_str("Test text 12345 more text.");
- let range = Range::point(12);
- assert_eq!(
- NumberIncrementor::from_range(rope.slice(..), range),
- Some(NumberIncrementor {
- range: Range::new(10, 15),
- value: 12345,
- radix: 10,
- text: rope.slice(..),
- })
- );
- }
-
- #[test]
- fn test_uppercase_hexadecimal_at_point() {
- let rope = Rope::from_str("Test text 0x123ABCDEF more text.");
- let range = Range::point(12);
- assert_eq!(
- NumberIncrementor::from_range(rope.slice(..), range),
- Some(NumberIncrementor {
- range: Range::new(10, 21),
- value: 0x123ABCDEF,
- radix: 16,
- text: rope.slice(..),
- })
- );
- }
-
- #[test]
- fn test_lowercase_hexadecimal_at_point() {
- let rope = Rope::from_str("Test text 0xfa3b4e more text.");
- let range = Range::point(12);
- assert_eq!(
- NumberIncrementor::from_range(rope.slice(..), range),
- Some(NumberIncrementor {
- range: Range::new(10, 18),
- value: 0xfa3b4e,
- radix: 16,
- text: rope.slice(..),
- })
- );
- }
-
- #[test]
- fn test_octal_at_point() {
- let rope = Rope::from_str("Test text 0o1074312 more text.");
- let range = Range::point(12);
- assert_eq!(
- NumberIncrementor::from_range(rope.slice(..), range),
- Some(NumberIncrementor {
- range: Range::new(10, 19),
- value: 0o1074312,
- radix: 8,
- text: rope.slice(..),
- })
- );
- }
-
- #[test]
- fn test_binary_at_point() {
- let rope = Rope::from_str("Test text 0b10111010010101 more text.");
- let range = Range::point(12);
- assert_eq!(
- NumberIncrementor::from_range(rope.slice(..), range),
- Some(NumberIncrementor {
- range: Range::new(10, 26),
- value: 0b10111010010101,
- radix: 2,
- text: rope.slice(..),
- })
- );
- }
-
- #[test]
- fn test_negative_decimal_at_point() {
- let rope = Rope::from_str("Test text -54321 more text.");
- let range = Range::point(12);
- assert_eq!(
- NumberIncrementor::from_range(rope.slice(..), range),
- Some(NumberIncrementor {
- range: Range::new(10, 16),
- value: -54321,
- radix: 10,
- text: rope.slice(..),
- })
- );
- }
-
- #[test]
- fn test_decimal_with_leading_zeroes_at_point() {
- let rope = Rope::from_str("Test text 000045326 more text.");
- let range = Range::point(12);
- assert_eq!(
- NumberIncrementor::from_range(rope.slice(..), range),
- Some(NumberIncrementor {
- range: Range::new(10, 19),
- value: 45326,
- radix: 10,
- text: rope.slice(..),
- })
- );
- }
-
- #[test]
- fn test_negative_decimal_cursor_on_minus_sign() {
- let rope = Rope::from_str("Test text -54321 more text.");
- let range = Range::point(10);
- assert_eq!(
- NumberIncrementor::from_range(rope.slice(..), range),
- Some(NumberIncrementor {
- range: Range::new(10, 16),
- value: -54321,
- radix: 10,
- text: rope.slice(..),
- })
- );
- }
-
- #[test]
- fn test_number_under_range_start_of_rope() {
- let rope = Rope::from_str("100");
- let range = Range::point(0);
- assert_eq!(
- NumberIncrementor::from_range(rope.slice(..), range),
- Some(NumberIncrementor {
- range: Range::new(0, 3),
- value: 100,
- radix: 10,
- text: rope.slice(..),
- })
- );
- }
-
- #[test]
- fn test_number_under_range_end_of_rope() {
- let rope = Rope::from_str("100");
- let range = Range::point(2);
- assert_eq!(
- NumberIncrementor::from_range(rope.slice(..), range),
- Some(NumberIncrementor {
- range: Range::new(0, 3),
- value: 100,
- radix: 10,
- text: rope.slice(..),
- })
- );
- }
-
- #[test]
- fn test_number_surrounded_by_punctuation() {
- let rope = Rope::from_str(",100;");
- let range = Range::point(1);
- assert_eq!(
- NumberIncrementor::from_range(rope.slice(..), range),
- Some(NumberIncrementor {
- range: Range::new(1, 4),
- value: 100,
- radix: 10,
- text: rope.slice(..),
- })
- );
- }
-
- #[test]
- fn test_not_a_number_point() {
- let rope = Rope::from_str("Test text 45326 more text.");
- let range = Range::point(6);
- assert_eq!(NumberIncrementor::from_range(rope.slice(..), range), None);
- }
-
- #[test]
- fn test_number_too_large_at_point() {
- let rope = Rope::from_str("Test text 0xFFFFFFFFFFFFFFFFF more text.");
- let range = Range::point(12);
- assert_eq!(NumberIncrementor::from_range(rope.slice(..), range), None);
- }
-
- #[test]
- fn test_number_cursor_one_right_of_number() {
- let rope = Rope::from_str("100 ");
- let range = Range::point(3);
- assert_eq!(NumberIncrementor::from_range(rope.slice(..), range), None);
- }
-
- #[test]
- fn test_number_cursor_one_left_of_number() {
- let rope = Rope::from_str(" 100");
- let range = Range::point(0);
- assert_eq!(NumberIncrementor::from_range(rope.slice(..), range), None);
- }
-
- #[test]
- fn test_increment_basic_decimal_numbers() {
- let tests = [
- ("100", 1, "101"),
- ("100", -1, "99"),
- ("99", 1, "100"),
- ("100", 1000, "1100"),
- ("100", -1000, "-900"),
- ("-1", 1, "0"),
- ("-1", 2, "1"),
- ("1", -1, "0"),
- ("1", -2, "-1"),
- ];
-
- for (original, amount, expected) in tests {
- let rope = Rope::from_str(original);
- let range = Range::point(0);
- assert_eq!(
- NumberIncrementor::from_range(rope.slice(..), range)
- .unwrap()
- .increment(amount)
- .1,
- Tendril::from(expected)
- );
- }
- }
-
- #[test]
- fn test_increment_basic_hexadecimal_numbers() {
- let tests = [
- ("0x0100", 1, "0x0101"),
- ("0x0100", -1, "0x00ff"),
- ("0x0001", -1, "0x0000"),
- ("0x0000", -1, "0xffffffffffffffff"),
- ("0xffffffffffffffff", 1, "0x0000000000000000"),
- ("0xffffffffffffffff", 2, "0x0000000000000001"),
- ("0xffffffffffffffff", -1, "0xfffffffffffffffe"),
- ("0xABCDEF1234567890", 1, "0xABCDEF1234567891"),
- ("0xabcdef1234567890", 1, "0xabcdef1234567891"),
- ];
-
- for (original, amount, expected) in tests {
- let rope = Rope::from_str(original);
- let range = Range::point(0);
- assert_eq!(
- NumberIncrementor::from_range(rope.slice(..), range)
- .unwrap()
- .increment(amount)
- .1,
- Tendril::from(expected)
- );
- }
- }
-
- #[test]
- fn test_increment_basic_octal_numbers() {
- let tests = [
- ("0o0107", 1, "0o0110"),
- ("0o0110", -1, "0o0107"),
- ("0o0001", -1, "0o0000"),
- ("0o7777", 1, "0o10000"),
- ("0o1000", -1, "0o0777"),
- ("0o0107", 10, "0o0121"),
- ("0o0000", -1, "0o1777777777777777777777"),
- ("0o1777777777777777777777", 1, "0o0000000000000000000000"),
- ("0o1777777777777777777777", 2, "0o0000000000000000000001"),
- ("0o1777777777777777777777", -1, "0o1777777777777777777776"),
- ];
-
- for (original, amount, expected) in tests {
- let rope = Rope::from_str(original);
- let range = Range::point(0);
- assert_eq!(
- NumberIncrementor::from_range(rope.slice(..), range)
- .unwrap()
- .increment(amount)
- .1,
- Tendril::from(expected)
- );
- }
- }
-
- #[test]
- fn test_increment_basic_binary_numbers() {
- let tests = [
- ("0b00000100", 1, "0b00000101"),
- ("0b00000100", -1, "0b00000011"),
- ("0b00000100", 2, "0b00000110"),
- ("0b00000100", -2, "0b00000010"),
- ("0b00000001", -1, "0b00000000"),
- ("0b00111111", 10, "0b01001001"),
- ("0b11111111", 1, "0b100000000"),
- ("0b10000000", -1, "0b01111111"),
- (
- "0b0000",
- -1,
- "0b1111111111111111111111111111111111111111111111111111111111111111",
- ),
- (
- "0b1111111111111111111111111111111111111111111111111111111111111111",
- 1,
- "0b0000000000000000000000000000000000000000000000000000000000000000",
- ),
- (
- "0b1111111111111111111111111111111111111111111111111111111111111111",
- 2,
- "0b0000000000000000000000000000000000000000000000000000000000000001",
- ),
- (
- "0b1111111111111111111111111111111111111111111111111111111111111111",
- -1,
- "0b1111111111111111111111111111111111111111111111111111111111111110",
- ),
- ];
-
- for (original, amount, expected) in tests {
- let rope = Rope::from_str(original);
- let range = Range::point(0);
- assert_eq!(
- NumberIncrementor::from_range(rope.slice(..), range)
- .unwrap()
- .increment(amount)
- .1,
- Tendril::from(expected)
- );
- }
- }
-
- #[test]
- fn test_increment_with_separators() {
- let tests = [
- ("999_999", 1, "1_000_000"),
- ("1_000_000", -1, "999_999"),
- ("-999_999", -1, "-1_000_000"),
- ("0x0000_0000_0001", 0x1_ffff_0000, "0x0001_ffff_0001"),
- ("0x0000_0000_0001", 0x1_ffff_0000, "0x0001_ffff_0001"),
- ("0x0000_0000_0001", 0x1_ffff_0000, "0x0001_ffff_0001"),
- ("0x0000_0000", -1, "0xffff_ffff_ffff_ffff"),
- ("0x0000_0000_0000", -1, "0xffff_ffff_ffff_ffff"),
- ("0b01111111_11111111", 1, "0b10000000_00000000"),
- ("0b11111111_11111111", 1, "0b1_00000000_00000000"),
- ];
-
- for (original, amount, expected) in tests {
- let rope = Rope::from_str(original);
- let range = Range::point(0);
- assert_eq!(
- NumberIncrementor::from_range(rope.slice(..), range)
- .unwrap()
- .increment(amount)
- .1,
- Tendril::from(expected)
- );
- }
- }
-}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-19 11:16:49 +0000