ciftl/encoding/
hex.rs

1use ::hex::{decode as hex_decode, encode as hex_encode};
2
3use crate::encoding::EncodingTrait;
4use crate::*;
5
6pub enum HexEncodingCase {
7    UpperCase,
8    LowerCase,
9}
10
11pub struct HexEncoding(HexEncodingCase);
12
13impl HexEncoding {
14    pub const fn new(case: HexEncodingCase) -> HexEncoding {
15        HexEncoding(case)
16    }
17}
18
19impl Default for HexEncoding {
20    fn default() -> Self {
21        Self::new(HexEncodingCase::UpperCase)
22    }
23}
24
25impl EncodingTrait for HexEncoding {
26    fn encode(&self, data: &[u8]) -> String {
27        let res = hex_encode(data);
28        if let HexEncodingCase::LowerCase = self.0 {
29            return res.as_str().to_lowercase();
30        }
31        res.as_str().to_uppercase()
32    }
33    fn decode(&self, data: &str) -> Result<ByteVector> {
34        let res = hex_decode(data);
35        if let Ok(v) = res {
36            return Ok(v);
37        }
38        let error_message = format!("{}", res.unwrap_err());
39        Err(HEX_BAD_DECODING_SOURCE.add_opt_mess(&error_message))
40    }
41}
42
43#[cfg(test)]
44mod tests {
45    use super::*;
46
47    #[test]
48    fn test_hex() {
49        let hexe = HexEncoding::default();
50        let res = hexe.encode("\\]^_`abcde".as_bytes());
51        assert_eq!("5C5D5E5F606162636465".to_string(), res);
52        let res = hexe.decode(&res).unwrap();
53        assert_eq!("\\]^_`abcde".as_bytes(), &res[..]);
54        let res = hexe.decode("5C5D5E5F6061626364651");
55        assert!(res.is_err());
56        println!("错误：{}", res.unwrap_err());
57        let res = hexe.decode("5C5D5E5F60616263646%");
58        assert!(res.is_err());
59        println!("错误：{}", res.unwrap_err());
60    }
61}
ciftl/encoding/hex.rs

ciftl/encoding/
hex.rs
