idna_cli/
lib.rs

1use serde::Serialize;
2use std::fs::File;
3use std::io::{self, BufRead};
4use std::path::Path;
5
6pub fn read_lines<P>(filename: P) -> io::Result<io::Lines<io::BufReader<File>>>
7where
8    P: AsRef<Path>,
9{
10    let file = File::open(filename)?;
11    Ok(io::BufReader::new(file).lines())
12}
13// https://doc.rust-lang.org/rust-by-example/std_misc/file/read_lines.html#a-more-efficient-approach
14
15pub fn to_unicode(domain: &str) -> (String, String) {
16    match idna::domain_to_unicode(domain) {
17        (s, Ok(_)) => (s, String::new()),
18        (s, Err(e)) => (s, e.to_string()),
19    }
20}
21
22pub fn to_ascii(domain: &str) -> (String, String) {
23    match idna::domain_to_ascii(domain) {
24        Ok(s) => (s, String::new()),
25        Err(e) => (String::new(), e.to_string()),
26    }
27}
28
29pub fn process(domain: &str, decode: bool) -> (String, String) {
30    if decode {
31        to_unicode(domain)
32    } else {
33        to_ascii(domain)
34    }
35}
36
37pub fn print_csv_result(domain: &str, decode: bool) {
38    let (converted, errors) = process(domain, decode);
39    println!("{domain:?},{converted:?},{errors:?}");
40}
41
42#[derive(Debug, Serialize)]
43pub struct Domain {
44    ascii: String,
45    unicode: String,
46    errors: String,
47}
48
49impl Domain {
50    pub fn new(domain: &str, decode: bool) -> Domain {
51        let (converted, errors) = process(domain, decode);
52        if decode {
53            Domain {
54                ascii: domain.to_string(),
55                unicode: converted,
56                errors,
57            }
58        } else {
59            Domain {
60                ascii: converted,
61                unicode: domain.to_string(),
62                errors,
63            }
64        }
65    }
66}
idna_cli/lib.rs

idna_cli/
lib.rs
