solid_core/
string.rs

1use crate::{
2    decode::Decode,
3    encode::Encode,
4    into_type::IntoType,
5};
6use std::borrow::Cow;
7
8impl Encode for String {
9    fn encode(&self) -> Vec<u8> {
10        let len = self.required_len();
11        let mut buf = vec![0u8; len as usize];
12        buf[24..32].copy_from_slice(&(self.len() as u64).to_be_bytes());
13        buf[32..32 + self.len()].copy_from_slice(self.as_bytes());
14        buf
15    }
16
17    fn required_len(&self) -> u64 {
18        (if self.len() / 32 == 0 {
19            32 + 32
20        } else {
21            (self.len() / 32 + 1) * 32 + 32
22        }) as u64
23    }
24
25    fn is_dynamic() -> bool {
26        true
27    }
28}
29
30impl<'a> Decode<'a> for String {
31    fn decode(buf: &'a [u8]) -> Self {
32        let len = u64::decode(&buf[0..32]);
33        String::from_utf8(buf[32..32 + len as usize].to_vec()).unwrap()
34    }
35}
36
37impl IntoType for String {
38    fn into_type() -> Cow<'static, str> {
39        Cow::Borrowed("string")
40    }
41}
42
43impl Encode for &str {
44    fn encode(&self) -> Vec<u8> {
45        let len = self.required_len();
46        let mut buf = vec![0u8; len as usize];
47        buf[24..32].copy_from_slice(&(self.len() as u64).to_be_bytes());
48        buf[32..32 + self.len()].copy_from_slice(self.as_bytes());
49        buf
50    }
51
52    fn required_len(&self) -> u64 {
53        (if self.len() / 32 == 0 {
54            32 + 32
55        } else {
56            (self.len() / 32 + 1) * 32 + 32
57        }) as u64
58    }
59
60    fn is_dynamic() -> bool {
61        true
62    }
63}
64
65impl IntoType for &str {
66    fn into_type() -> Cow<'static, str> {
67        Cow::Borrowed("string")
68    }
69}
70
71impl<'a> Decode<'a> for &'a str {
72    fn decode(buf: &'a [u8]) -> Self {
73        let len = u64::decode(&buf[0..32]);
74        std::str::from_utf8(&buf[32..32 + len as usize]).unwrap()
75    }
76}
solid_core/string.rs

solid_core/
string.rs
