mmd_anim_format/
normalize.rs

1use encoding_rs::SHIFT_JIS;
2
3pub fn normalize_vmd_name(bytes: &[u8]) -> Vec<u8> {
4    let end = bytes.iter().position(|&b| b == 0).unwrap_or(bytes.len());
5    let (decoded, _encoding, _had_errors) = SHIFT_JIS.decode(&bytes[..end]);
6    decoded.as_bytes().to_vec()
7}
8
9#[cfg(test)]
10mod tests {
11    use super::*;
12
13    #[test]
14    fn ascii_name_preserved() {
15        assert_eq!(normalize_vmd_name(b"BoneA"), b"BoneA".to_vec());
16    }
17
18    #[test]
19    fn japanese_name_decoded_to_utf8() {
20        let sjis: &[u8] = &[0x83, 0x65, 0x83, 0x58, 0x83, 0x67];
21        let utf8: &[u8] = &[0xE3, 0x83, 0x86, 0xE3, 0x82, 0xB9, 0xE3, 0x83, 0x88];
22        assert_eq!(normalize_vmd_name(sjis), utf8.to_vec());
23    }
24
25    #[test]
26    fn empty_name_stays_empty() {
27        assert_eq!(normalize_vmd_name(b""), b"".to_vec());
28    }
29
30    #[test]
31    fn trailing_nul_is_trimmed() {
32        assert_eq!(normalize_vmd_name(b"BoneA\0\0"), b"BoneA".to_vec());
33    }
34}
mmd_anim_format/normalize.rs

mmd_anim_format/
normalize.rs
