surrealpatch/lib/src/key/lv.rs

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Rust
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use crate::err::Error;
use serde::{Deserialize, Serialize};
use storekey::{deserialize, serialize};
#[derive(Clone, Debug, Eq, PartialEq, PartialOrd, Serialize, Deserialize)]
pub struct Lv {
__: u8,
_a: u8,
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pub ns: String,
_b: u8,
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pub db: String,
_c: u8,
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pub tb: String,
_d: u8,
_e: u8,
_f: u8,
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pub lv: String,
}
impl From<Lv> for Vec<u8> {
fn from(val: Lv) -> Vec<u8> {
val.encode().unwrap()
}
}
impl From<Vec<u8>> for Lv {
fn from(val: Vec<u8>) -> Self {
Lv::decode(&val).unwrap()
}
}
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impl From<&Vec<u8>> for Lv {
fn from(val: &Vec<u8>) -> Self {
Lv::decode(val).unwrap()
}
}
pub fn new(ns: &str, db: &str, tb: &str, lv: &str) -> Lv {
Lv::new(ns.to_string(), db.to_string(), tb.to_string(), lv.to_string())
}
pub fn prefix(ns: &str, db: &str, tb: &str) -> Vec<u8> {
let mut k = super::table::new(ns, db, tb).encode().unwrap();
k.extend_from_slice(&[0x21, 0x6c, 0x76, 0x00]);
k
}
pub fn suffix(ns: &str, db: &str, tb: &str) -> Vec<u8> {
let mut k = super::table::new(ns, db, tb).encode().unwrap();
k.extend_from_slice(&[0x21, 0x6c, 0x76, 0xff]);
k
}
impl Lv {
pub fn new(ns: String, db: String, tb: String, lv: String) -> Lv {
Lv {
__: 0x2f, // /
_a: 0x2a, // *
ns,
_b: 0x2a, // *
db,
_c: 0x2a, // *
tb,
_d: 0x21, // !
_e: 0x6c, // l
_f: 0x76, // v
lv,
}
}
pub fn encode(&self) -> Result<Vec<u8>, Error> {
Ok(serialize(self)?)
}
pub fn decode(v: &[u8]) -> Result<Lv, Error> {
Ok(deserialize(v)?)
}
}
#[cfg(test)]
mod tests {
#[test]
fn key() {
use super::*;
#[rustfmt::skip]
let val = Lv::new(
"test".to_string(),
"test".to_string(),
"test".to_string(),
"test".to_string(),
);
let enc = Lv::encode(&val).unwrap();
let dec = Lv::decode(&enc).unwrap();
assert_eq!(val, dec);
}
}