hatter/simpledateformat
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feat: v0.1.2, add now

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Hatter Jiang
2021-06-11 00:23:45 +08:00
parent 2debea0491
commit de3fb3e2b8
3 changed files with 42 additions and 24 deletions
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1
.gitignore vendored
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@@ -1,3 +1,4 @@
.idea/
# ---> Rust # ---> Rust
# Generated by Cargo # Generated by Cargo
# will have compiled files and executables # will have compiled files and executables

2
Cargo.toml
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@@ -1,6 +1,6 @@
[package] [package]
name = "simpledateformat" name = "simpledateformat"
version = "0.1.1" version = "0.1.2"
authors = ["Hatter Jiang <jht5945@gmail.com>"] authors = ["Hatter Jiang <jht5945@gmail.com>"]
edition = "2018" edition = "2018"
description = "SimpleDateFormat.java style like date format" description = "SimpleDateFormat.java style like date format"

63
src/lib.rs
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@@ -1,4 +1,6 @@
#[macro_use] extern crate quick_error; #[macro_use]
extern crate quick_error;
use chrono::prelude::*; use chrono::prelude::*;
use std::{ use std::{
convert::TryFrom, convert::TryFrom,
@@ -79,6 +81,14 @@ pub fn format_human(d: Duration) -> String {
return_ret(ret) return_ret(ret)
} }
pub fn get_local_now() -> DateTime<Local> {
Local::now()
}
pub fn get_utc_now() -> DateTime<Utc> {
Utc::now()
}
/// Format struct, parse format and format date /// Format struct, parse format and format date
#[derive(Debug)] #[derive(Debug)]
pub struct SimpleDateFormat { pub struct SimpleDateFormat {
@@ -86,7 +96,6 @@ pub struct SimpleDateFormat {
} }
impl SimpleDateFormat { impl SimpleDateFormat {
/// Create format from string /// Create format from string
pub fn new(f: &str) -> Result<SimpleDateFormat, ParseError> { pub fn new(f: &str) -> Result<SimpleDateFormat, ParseError> {
fmt(f) fmt(f)
@@ -94,7 +103,15 @@ impl SimpleDateFormat {
/// Create format from string with out error /// Create format from string with out error
pub fn new_with_out_err(f: &str) -> SimpleDateFormat { pub fn new_with_out_err(f: &str) -> SimpleDateFormat {
Self::new(f).unwrap_or_else(|_| Self{ parts: vec![] }) Self::new(f).unwrap_or_else(|_| Self { parts: vec![] })
}
pub fn format_local_now(&self) -> String {
self.format(&Local::now())
}
pub fn format_utc_now(&self) -> String {
self.format(&Utc::now())
} }
// Format date // Format date
@@ -179,7 +196,7 @@ pub fn fmt(f: &str) -> Result<SimpleDateFormat, ParseError> {
} }
} }
Ok(SimpleDateFormat{ parts }) Ok(SimpleDateFormat { parts })
} }
impl TryFrom<&str> for SimpleDateFormat { impl TryFrom<&str> for SimpleDateFormat {
@@ -201,14 +218,14 @@ fn format_ampm(is_pm: bool, _cnt: usize) -> &'static str {
fn format_week_day(n: Weekday, cnt: usize) -> &'static str { fn format_week_day(n: Weekday, cnt: usize) -> &'static str {
let is_short = cnt == 3; let is_short = cnt == 3;
match n { match n {
Weekday::Mon => if is_short { "Mon" } else { "Monday" }, Weekday::Mon => if is_short { "Mon" } else { "Monday" },
Weekday::Tue => if is_short { "Tue" } else { "Tuesday" }, Weekday::Tue => if is_short { "Tue" } else { "Tuesday" },
Weekday::Wed => if is_short { "Wed" } else { "Wednesday" }, Weekday::Wed => if is_short { "Wed" } else { "Wednesday" },
Weekday::Thu => if is_short { "Thu" } else { "Thursday" }, Weekday::Thu => if is_short { "Thu" } else { "Thursday" },
Weekday::Fri => if is_short { "Fri" } else { "Friday" }, Weekday::Fri => if is_short { "Fri" } else { "Friday" },
Weekday::Sat => if is_short { "Sat" } else { "Saturday" }, Weekday::Sat => if is_short { "Sat" } else { "Saturday" },
Weekday::Sun => if is_short { "Sun" } else { "Sunday" }, Weekday::Sun => if is_short { "Sun" } else { "Sunday" },
} }
} }
fn format_year(n: i32, cnt: usize) -> String { fn format_year(n: i32, cnt: usize) -> String {
@@ -219,18 +236,18 @@ fn format_year(n: i32, cnt: usize) -> String {
fn format_month(n: u32, cnt: usize) -> &'static str { fn format_month(n: u32, cnt: usize) -> &'static str {
let is_short = cnt == 3; let is_short = cnt == 3;
match n { match n {
1 => if is_short { "Jan" } else { "January" }, 1 => if is_short { "Jan" } else { "January" },
2 => if is_short { "Feb" } else { "February" }, 2 => if is_short { "Feb" } else { "February" },
3 => if is_short { "Mar" } else { "March" }, 3 => if is_short { "Mar" } else { "March" },
4 => if is_short { "Apr" } else { "April" }, 4 => if is_short { "Apr" } else { "April" },
5 => "May", //if is_short { "May" } else { "May" }, 5 => "May", //if is_short { "May" } else { "May" },
6 => if is_short { "Jun" } else { "June" }, 6 => if is_short { "Jun" } else { "June" },
7 => if is_short { "Jul" } else { "July" }, 7 => if is_short { "Jul" } else { "July" },
8 => if is_short { "Aug" } else { "August" }, 8 => if is_short { "Aug" } else { "August" },
9 => if is_short { "Sep" } else { "September" }, 9 => if is_short { "Sep" } else { "September" },
10 => if is_short { "Oct" } else { "October" }, 10 => if is_short { "Oct" } else { "October" },
11 => if is_short { "Nov" } else { "November" }, 11 => if is_short { "Nov" } else { "November" },
12 => if is_short { "Dec" } else { "December" }, 12 => if is_short { "Dec" } else { "December" },
_ => "ERR!UNKNOWN MONTH", _ => "ERR!UNKNOWN MONTH",
} }
} }