UPDATE: Adds time formats (#501)

* UPDATE: Adds time formats

This is the initial implementation of time formats. Simple things like:

"hh:mm:ss AM/PM"

works

* FIX: Correct padded vs unppadded time formats

Thank you copilot!
This commit is contained in:
Nicolás Hatcher Andrés
2025-11-02 13:18:26 +01:00
committed by GitHub
parent b2d848ae2a
commit efb3b66777
5 changed files with 325 additions and 25 deletions

View File

@@ -154,16 +154,11 @@ pub fn format_number(value_original: f64, format: &str, locale: &Locale) -> Form
ParsePart::Date(p) => {
let tokens = &p.tokens;
let mut text = "".to_string();
let date = match from_excel_date(value as i64) {
Ok(d) => d,
Err(e) => {
return Formatted {
text: "#VALUE!".to_owned(),
color: None,
error: Some(e),
}
}
};
let time_fract = value.fract();
let hours = (time_fract * 24.0).floor();
let minutes = ((time_fract * 24.0 - hours) * 60.0).floor();
let seconds = ((((time_fract * 24.0 - hours) * 60.0) - minutes) * 60.0).round();
let date = from_excel_date(value as i64).ok();
for token in tokens {
match token {
TextToken::Literal(c) => {
@@ -187,15 +182,44 @@ pub fn format_number(value_original: f64, format: &str, locale: &Locale) -> Form
}
TextToken::Digit(_) => {}
TextToken::Period => {}
TextToken::Day => {
let day = date.day() as usize;
text = format!("{text}{day}");
}
TextToken::Day => match date {
Some(date) => {
let day = date.day() as usize;
text = format!("{text}{day}");
}
None => {
return Formatted {
text: "#VALUE!".to_owned(),
color: None,
error: Some(format!("Invalid date value: '{value}'")),
}
}
},
TextToken::DayPadded => {
let date = match date {
Some(d) => d,
None => {
return Formatted {
text: "#VALUE!".to_owned(),
color: None,
error: Some(format!("Invalid date value: '{value}'")),
}
}
};
let day = date.day() as usize;
text = format!("{text}{day:02}");
}
TextToken::DayNameShort => {
let date = match date {
Some(d) => d,
None => {
return Formatted {
text: "#VALUE!".to_owned(),
color: None,
error: Some(format!("Invalid date value: '{value}'")),
}
}
};
let mut day = date.weekday().number_from_monday() as usize;
if day == 7 {
day = 0;
@@ -203,6 +227,16 @@ pub fn format_number(value_original: f64, format: &str, locale: &Locale) -> Form
text = format!("{}{}", text, &locale.dates.day_names_short[day]);
}
TextToken::DayName => {
let date = match date {
Some(d) => d,
None => {
return Formatted {
text: "#VALUE!".to_owned(),
color: None,
error: Some(format!("Invalid date value: '{value}'")),
}
}
};
let mut day = date.weekday().number_from_monday() as usize;
if day == 7 {
day = 0;
@@ -210,32 +244,144 @@ pub fn format_number(value_original: f64, format: &str, locale: &Locale) -> Form
text = format!("{}{}", text, &locale.dates.day_names[day]);
}
TextToken::Month => {
let date = match date {
Some(d) => d,
None => {
return Formatted {
text: "#VALUE!".to_owned(),
color: None,
error: Some(format!("Invalid date value: '{value}'")),
}
}
};
let month = date.month() as usize;
text = format!("{text}{month}");
}
TextToken::MonthPadded => {
let date = match date {
Some(d) => d,
None => {
return Formatted {
text: "#VALUE!".to_owned(),
color: None,
error: Some(format!("Invalid date value: '{value}'")),
}
}
};
let month = date.month() as usize;
text = format!("{text}{month:02}");
}
TextToken::MonthNameShort => {
let date = match date {
Some(d) => d,
None => {
return Formatted {
text: "#VALUE!".to_owned(),
color: None,
error: Some(format!("Invalid date value: '{value}'")),
}
}
};
let month = date.month() as usize;
text = format!("{}{}", text, &locale.dates.months_short[month - 1]);
}
TextToken::MonthName => {
let date = match date {
Some(d) => d,
None => {
return Formatted {
text: "#VALUE!".to_owned(),
color: None,
error: Some(format!("Invalid date value: '{value}'")),
}
}
};
let month = date.month() as usize;
text = format!("{}{}", text, &locale.dates.months[month - 1]);
}
TextToken::MonthLetter => {
let date = match date {
Some(d) => d,
None => {
return Formatted {
text: "#VALUE!".to_owned(),
color: None,
error: Some(format!("Invalid date value: '{value}'")),
}
}
};
let month = date.month() as usize;
let months_letter = &locale.dates.months_letter[month - 1];
text = format!("{text}{months_letter}");
}
TextToken::YearShort => {
let date = match date {
Some(d) => d,
None => {
return Formatted {
text: "#VALUE!".to_owned(),
color: None,
error: Some(format!("Invalid date value: '{value}'")),
}
}
};
text = format!("{}{}", text, date.format("%y"));
}
TextToken::Year => {
let date = match date {
Some(d) => d,
None => {
return Formatted {
text: "#VALUE!".to_owned(),
color: None,
error: Some(format!("Invalid date value: '{value}'")),
}
}
};
text = format!("{}{}", text, date.year());
}
TextToken::Hour => {
let mut hour = hours as i32;
if p.use_ampm {
if hour == 0 {
hour = 12;
} else if hour > 12 {
hour -= 12;
}
}
text = format!("{text}{hour}");
}
TextToken::HourPadded => {
let mut hour = hours as i32;
if p.use_ampm {
if hour == 0 {
hour = 12;
} else if hour > 12 {
hour -= 12;
}
}
text = format!("{text}{hour:02}");
}
TextToken::Second => {
let second = seconds as i32;
text = format!("{text}{second}");
}
TextToken::SecondPadded => {
let second = seconds as i32;
text = format!("{text}{second:02}");
}
TextToken::AMPM => {
let ampm = if hours < 12.0 { "AM" } else { "PM" };
text = format!("{text}{ampm}");
}
TextToken::Minute => {
let minute = minutes as i32;
text = format!("{text}{minute}");
}
TextToken::MinutePadded => {
let minute = minutes as i32;
text = format!("{text}{minute:02}");
}
}
}
Formatted {
@@ -422,6 +568,13 @@ pub fn format_number(value_original: f64, format: &str, locale: &Locale) -> Form
TextToken::MonthLetter => {}
TextToken::YearShort => {}
TextToken::Year => {}
TextToken::Hour => {}
TextToken::HourPadded => {}
TextToken::Minute => {}
TextToken::MinutePadded => {}
TextToken::Second => {}
TextToken::SecondPadded => {}
TextToken::AMPM => {}
}
}
Formatted {

View File

@@ -26,19 +26,23 @@ pub enum Token {
Scientific, // E+
ScientificMinus, // E-
General, // General
// Dates
// Dates and time
Day, // d
DayPadded, // dd
DayNameShort, // ddd
DayName, // dddd+
Month, // m
MonthPadded, // mm
Month, // m (or minute)
MonthPadded, // mm (or minute padded)
MonthNameShort, // mmm
MonthName, // mmmm or mmmmmm+
MonthLetter, // mmmmm
YearShort, // y or yy
Year, // yyy+
// TODO: Hours Minutes and Seconds
Hour, // h
HourPadded, // hh
Second, // s
SecondPadded, // ss
AMPM, // AM/PM (or A/P)
ILLEGAL,
EOF,
}
@@ -361,8 +365,8 @@ impl Lexer {
self.read_next_char();
}
match m {
1 => Token::Month,
2 => Token::MonthPadded,
1 => Token::Month, // (or minute)
2 => Token::MonthPadded, // (or minute padded)
3 => Token::MonthNameShort,
4 => Token::MonthName,
5 => Token::MonthLetter,
@@ -381,6 +385,63 @@ impl Lexer {
Token::Year
}
}
'h' => {
let mut h = 1;
while let Some('h') = self.peek_char() {
h += 1;
self.read_next_char();
}
if h == 1 {
Token::Hour
} else if h == 2 {
Token::HourPadded
} else {
self.set_error("Unexpected character after 'h'");
Token::ILLEGAL
}
}
's' => {
let mut s = 1;
while let Some('s') = self.peek_char() {
s += 1;
self.read_next_char();
}
if s == 1 {
Token::Second
} else if s == 2 {
Token::SecondPadded
} else {
self.set_error("Unexpected character after 's'");
Token::ILLEGAL
}
}
'A' | 'a' => {
if let Some('M') | Some('m') = self.peek_char() {
self.read_next_char();
} else {
self.set_error("Unexpected character after 'A'");
return Token::ILLEGAL;
}
if let Some('/') = self.peek_char() {
self.read_next_char();
} else {
self.set_error("Unexpected character after 'AM'");
return Token::ILLEGAL;
}
if let Some('P') | Some('p') = self.peek_char() {
self.read_next_char();
} else {
self.set_error("Unexpected character after 'AM'");
return Token::ILLEGAL;
}
if let Some('M') | Some('m') = self.peek_char() {
self.read_next_char();
} else {
self.set_error("Unexpected character after 'AMP'");
return Token::ILLEGAL;
}
Token::AMPM
}
'g' | 'G' => {
for c in "eneral".chars() {
let cc = self.read_next_char();

View File

@@ -27,6 +27,13 @@ pub enum TextToken {
MonthLetter,
YearShort,
Year,
Hour,
HourPadded,
Minute,
MinutePadded,
Second,
SecondPadded,
AMPM,
}
pub struct NumberPart {
pub color: Option<i32>,
@@ -45,6 +52,7 @@ pub struct NumberPart {
pub struct DatePart {
pub color: Option<i32>,
pub use_ampm: bool,
pub tokens: Vec<TextToken>,
}
@@ -101,6 +109,7 @@ impl Parser {
let mut digit_count = 0;
let mut precision = 0;
let mut is_date = false;
let mut use_ampm = false;
let mut is_number = false;
let mut found_decimal_dot = false;
let mut use_thousands = false;
@@ -116,6 +125,7 @@ impl Parser {
let mut number = 'i';
let mut index = 0;
let mut currency = None;
let mut is_time = false;
while token != Token::EOF && token != Token::Separator {
let next_token = self.lexer.next_token();
@@ -200,6 +210,9 @@ impl Parser {
index += 1;
}
Token::Literal(value) => {
if value == ':' {
is_time = true;
}
tokens.push(TextToken::Literal(value));
}
Token::Text(value) => {
@@ -236,12 +249,22 @@ impl Parser {
tokens.push(TextToken::MonthName);
}
Token::Month => {
is_date = true;
tokens.push(TextToken::Month);
if is_time {
// minute
tokens.push(TextToken::Minute);
} else {
is_date = true;
tokens.push(TextToken::Month);
}
}
Token::MonthPadded => {
is_date = true;
tokens.push(TextToken::MonthPadded);
if is_time {
// minute padded
tokens.push(TextToken::MinutePadded);
} else {
is_date = true;
tokens.push(TextToken::MonthPadded);
}
}
Token::MonthLetter => {
is_date = true;
@@ -255,6 +278,32 @@ impl Parser {
is_date = true;
tokens.push(TextToken::Year);
}
Token::Hour => {
is_date = true;
is_time = true;
tokens.push(TextToken::Hour);
}
Token::HourPadded => {
is_date = true;
is_time = true;
tokens.push(TextToken::HourPadded);
}
Token::Second => {
is_date = true;
is_time = true;
tokens.push(TextToken::Second);
}
Token::SecondPadded => {
is_date = true;
is_time = true;
tokens.push(TextToken::SecondPadded);
}
Token::AMPM => {
is_date = true;
use_ampm = true;
tokens.push(TextToken::AMPM);
}
Token::Scientific => {
if !is_scientific {
index = 0;
@@ -282,7 +331,11 @@ impl Parser {
if is_number {
return ParsePart::Error(ErrorPart {});
}
ParsePart::Date(DatePart { color, tokens })
ParsePart::Date(DatePart {
color,
use_ampm,
tokens,
})
} else {
ParsePart::Number(NumberPart {
color,

View File

@@ -1,2 +1,3 @@
mod test_general;
mod test_parse_formatted_number;
mod test_time;

View File

@@ -0,0 +1,32 @@
#![allow(clippy::unwrap_used)]
use crate::{
formatter::format::format_number,
locale::{get_locale, Locale},
};
fn get_default_locale() -> &'static Locale {
get_locale("en").unwrap()
}
#[test]
fn simple_test() {
let locale = get_default_locale();
let format = "h:mm AM/PM";
let value = 16.001_423_611_111_11; // =1/86400 => 12:02 AM
let formatted = format_number(value, format, locale);
assert_eq!(formatted.text, "12:02 AM");
}
#[test]
fn padded_vs_unpadded() {
let locale = get_default_locale();
let padded_format = "hh:mm:ss AM/PM";
let unpadded_format = "h:m:s AM/PM";
let value = 0.25351851851851853; // => 6:05:04 AM (21904/(24*60*60)) where 21904 = 6 * 3600 + 5*60 + 4
let formatted = format_number(value, padded_format, locale);
assert_eq!(formatted.text, "06:05:04 AM");
let formatted = format_number(value, unpadded_format, locale);
assert_eq!(formatted.text, "6:5:4 AM");
}