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Parse calendar dates with slashes, like 2/29/1996 #99

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Merged
sylvestre merged 1 commit into from
Jan 18, 2025
Merged

Parse calendar dates with slashes, like 2/29/1996 #99

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17 changes: 15 additions & 2 deletions src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -63,6 +63,10 @@ impl From<RegexError> for ParseDateTimeError {
mod format {
pub const ISO_8601: &str = "%Y-%m-%d";
pub const ISO_8601_NO_SEP: &str = "%Y%m%d";
// US format for calendar date items:
// https://www.gnu.org/software/coreutils/manual/html_node/Calendar-date-items.html
pub const MMDDYYYY_SLASH: &str = "%m/%d/%Y";
pub const MMDDYY_SLASH: &str = "%m/%d/%y";
pub const POSIX_LOCALE: &str = "%a %b %e %H:%M:%S %Y";
pub const YYYYMMDDHHMM_DOT_SS: &str = "%Y%m%d%H%M.%S";
pub const YYYYMMDDHHMMSS: &str = "%Y-%m-%d %H:%M:%S.%f";
Expand Down Expand Up @@ -208,7 +212,12 @@ pub fn parse_datetime_at_date<S: AsRef<str> + Clone>(

let ts = s.as_ref().to_owned() + " 0000";
// Parse date only formats - assume midnight local timezone
for fmt in [format::ISO_8601, format::ISO_8601_NO_SEP] {
for fmt in [
format::ISO_8601,
format::ISO_8601_NO_SEP,
format::MMDDYYYY_SLASH,
format::MMDDYY_SLASH,
] {
let f = fmt.to_owned() + " %H%M";
if let Ok(parsed) = NaiveDateTime::parse_from_str(&ts, &f) {
if let Ok(dt) = naive_dt_to_fixed_offset(date, parsed) {
Expand Down Expand Up @@ -339,7 +348,7 @@ mod tests {
}

#[cfg(test)]
mod formats {
mod calendar_date_items {
use crate::parse_datetime;
use chrono::{DateTime, Local, TimeZone};

Expand All @@ -352,6 +361,10 @@ mod tests {
assert_eq!(Ok(expected), parse_datetime("1987-5-07"));
assert_eq!(Ok(expected), parse_datetime("1987-05-7"));
assert_eq!(Ok(expected), parse_datetime("1987-5-7"));
assert_eq!(Ok(expected), parse_datetime("5/7/1987"));
assert_eq!(Ok(expected), parse_datetime("5/07/1987"));
assert_eq!(Ok(expected), parse_datetime("05/7/1987"));
assert_eq!(Ok(expected), parse_datetime("05/07/1987"));
}
}

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