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Remove dependency on gregorian crate

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pull/1235/head
Jason Rodney Hansen 3 years ago committed by Ivan Tham
parent 64afd54654
commit 2a0c685a78
3 changed files with 75 additions and 38 deletions
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8
Cargo.lock generated
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@ -325,12 +325,6 @@ dependencies = [
"regex",
]
[[package]]
name = "gregorian"
version = "0.2.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "3452972f2c995c38dc9b84f09fe14f1ca462a0580642fe6756fed58fdef29050"
[[package]]
name = "grep-matcher"
version = "0.1.5"
@ -375,8 +369,8 @@ name = "helix-core"
version = "0.5.0"
dependencies = [
"arc-swap",
"chrono",
"etcetera",
"gregorian",
"helix-syntax",
"log",
"once_cell",

2
helix-core/Cargo.toml
Unescape Escape View File

@ -36,7 +36,7 @@ similar = "2.1"
etcetera = "0.3"
gregorian = { version = "0.2.1", default-features = false }
chrono = { version = "0.4", default-features = false, features = ["alloc", "std"] }
[dev-dependencies]
quickcheck = { version = "1", default-features = false }

103
helix-core/src/date.rs
Unescape Escape View File

@ -1,12 +1,61 @@
use gregorian::{Date, DateResultExt};
use regex::Regex;
use std::borrow::Cow;
use std::cmp;
use ropey::RopeSlice;
use crate::{Range, Tendril};
use chrono::{Datelike, Duration, NaiveDate};
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(y, m, 1);
// ...is preceded by the last day of the original month.
d.pred().day()
}
fn add_days(date: NaiveDate, amount: i64) -> Option<NaiveDate> {
date.checked_add_signed(Duration::days(amount))
}
fn add_months(date: NaiveDate, amount: i64) -> Option<NaiveDate> {
let month = date.month0() as i64 + amount;
let year = date.year() + i32::try_from(month / 12).ok()?;
// Normalize month
let month = month % 12;
let month = if month.is_negative() {
month + 13
} else {
month + 1
} as u32;
let day = cmp::min(date.day(), ndays_in_month(year, month));
Some(NaiveDate::from_ymd(year, month, day))
}
fn add_years(date: NaiveDate, amount: i64) -> Option<NaiveDate> {
let year = i32::try_from(date.year() as i64 + amount).ok()?;
let ndays = ndays_in_month(year, date.month());
if date.day() > ndays {
let d = NaiveDate::from_ymd(year, date.month(), ndays);
Some(d.succ())
} else {
date.with_year(year)
}
}
#[derive(Copy, Clone, Debug, PartialEq, Eq)]
struct Format {
regex: &'static str,
@ -36,7 +85,7 @@ enum DateField {
#[derive(Debug, PartialEq, Eq)]
pub struct DateIncrementor {
pub date: Date,
pub date: NaiveDate,
pub range: Range,
field: DateField,
@ -87,12 +136,11 @@ impl DateIncrementor {
return None;
};
let date = Date::new(
year.as_str().parse::<i16>().ok()?,
month.as_str().parse::<u8>().ok()?,
day.as_str().parse::<u8>().ok()?,
)
.ok()?;
let date = NaiveDate::from_ymd_opt(
year.as_str().parse::<i32>().ok()?,
month.as_str().parse::<u32>().ok()?,
day.as_str().parse::<u32>().ok()?,
)?;
Some(DateIncrementor {
date,
@ -105,22 +153,17 @@ impl DateIncrementor {
pub fn incremented_text(&self, amount: i64) -> Tendril {
let date = match self.field {
DateField::Year => self
.date
.add_years(amount.try_into().unwrap_or(0))
.or_next_valid(),
DateField::Month => self
.date
.add_months(amount.try_into().unwrap_or(0))
.or_prev_valid(),
DateField::Day => self.date.add_days(amount.try_into().unwrap_or(0)),
};
DateField::Year => add_years(self.date, amount),
DateField::Month => add_months(self.date, amount),
DateField::Day => add_days(self.date, amount),
}
.unwrap_or(self.date);
format!(
"{:04}{}{:02}{}{:02}",
date.year(),
self.format.separator,
date.month().to_number(),
date.month(),
self.format.separator,
date.day()
)
@ -142,7 +185,7 @@ mod test {
assert_eq!(
DateIncrementor::from_range(rope.slice(..), range),
Some(DateIncrementor {
date: Date::new(2021, 11, 15).unwrap(),
date: NaiveDate::from_ymd(2021, 11, 15),
range: Range::new(0, 10),
field: DateField::Year,
format: FORMATS[0],
@ -160,7 +203,7 @@ mod test {
assert_eq!(
DateIncrementor::from_range(rope.slice(..), range),
Some(DateIncrementor {
date: Date::new(2021, 11, 15).unwrap(),
date: NaiveDate::from_ymd(2021, 11, 15),
range: Range::new(0, 10),
field: DateField::Month,
format: FORMATS[0],
@ -178,7 +221,7 @@ mod test {
assert_eq!(
DateIncrementor::from_range(rope.slice(..), range),
Some(DateIncrementor {
date: Date::new(2021, 11, 15).unwrap(),
date: NaiveDate::from_ymd(2021, 11, 15),
range: Range::new(0, 10),
field: DateField::Day,
format: FORMATS[0],
@ -206,7 +249,7 @@ mod test {
assert_eq!(
DateIncrementor::from_range(rope.slice(..), range),
Some(DateIncrementor {
date: Date::new(2021, 11, 15).unwrap(),
date: NaiveDate::from_ymd(2021, 11, 15),
range: Range::new(0, 10),
field: DateField::Year,
format: FORMATS[1],
@ -224,7 +267,7 @@ mod test {
assert_eq!(
DateIncrementor::from_range(rope.slice(..), range),
Some(DateIncrementor {
date: Date::new(2021, 11, 15).unwrap(),
date: NaiveDate::from_ymd(2021, 11, 15),
range: Range::new(0, 10),
field: DateField::Month,
format: FORMATS[1],
@ -242,7 +285,7 @@ mod test {
assert_eq!(
DateIncrementor::from_range(rope.slice(..), range),
Some(DateIncrementor {
date: Date::new(2021, 11, 15).unwrap(),
date: NaiveDate::from_ymd(2021, 11, 15),
range: Range::new(0, 10),
field: DateField::Day,
format: FORMATS[1],
@ -268,7 +311,7 @@ mod test {
assert_eq!(
DateIncrementor::from_range(rope.slice(..), range),
Some(DateIncrementor {
date: Date::new(2021, 11, 15).unwrap(),
date: NaiveDate::from_ymd(2021, 11, 15),
range: Range::new(3, 13),
field: DateField::Year,
format: FORMATS[0],
@ -283,7 +326,7 @@ mod test {
assert_eq!(
DateIncrementor::from_range(rope.slice(..), range),
Some(DateIncrementor {
date: Date::new(2021, 11, 15).unwrap(),
date: NaiveDate::from_ymd(2021, 11, 15),
range: Range::new(8, 18),
field: DateField::Year,
format: FORMATS[0],
@ -298,7 +341,7 @@ mod test {
assert_eq!(
DateIncrementor::from_range(rope.slice(..), range),
Some(DateIncrementor {
date: Date::new(2021, 11, 15).unwrap(),
date: NaiveDate::from_ymd(2021, 11, 15),
range: Range::new(12, 22),
field: DateField::Year,
format: FORMATS[0],
@ -327,7 +370,7 @@ mod test {
assert_eq!(
DateIncrementor::from_range(rope.slice(..), range),
Some(DateIncrementor {
date: Date::new(2021, 11, 15).unwrap(),
date: NaiveDate::from_ymd(2021, 11, 15),
range: Range::new(0, 10),
field: DateField::Year,
format: FORMATS[0],
@ -342,7 +385,7 @@ mod test {
assert_eq!(
DateIncrementor::from_range(rope.slice(..), range),
Some(DateIncrementor {
date: Date::new(2021, 11, 15).unwrap(),
date: NaiveDate::from_ymd(2021, 11, 15),
range: Range::new(0, 10),
field: DateField::Month,
format: FORMATS[0],

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