Red Bear OS
42 lines
850 B
Rust
42 lines
850 B
Rust
use alloc::{vec, vec::Vec};
|
|
use core::ops;
|
|
|
|
use crate::{BlockLevel, BlockTrait, RECORD_LEVEL};
|
|
|
|
#[derive(Clone)]
|
|
pub struct RecordRaw(pub(crate) Vec<u8>);
|
|
|
|
unsafe impl BlockTrait for RecordRaw {
|
|
fn empty(level: BlockLevel) -> Option<Self> {
|
|
if level.0 <= RECORD_LEVEL {
|
|
Some(Self(vec![0; level.bytes() as usize]))
|
|
} else {
|
|
None
|
|
}
|
|
}
|
|
}
|
|
|
|
impl ops::Deref for RecordRaw {
|
|
type Target = [u8];
|
|
fn deref(&self) -> &[u8] {
|
|
&self.0
|
|
}
|
|
}
|
|
|
|
impl ops::DerefMut for RecordRaw {
|
|
fn deref_mut(&mut self) -> &mut [u8] {
|
|
&mut self.0
|
|
}
|
|
}
|
|
|
|
#[test]
|
|
fn record_raw_size_test() {
|
|
for level_i in 0..RECORD_LEVEL {
|
|
let level = BlockLevel(level_i);
|
|
assert_eq!(
|
|
RecordRaw::empty(level).unwrap().len(),
|
|
level.bytes() as usize
|
|
);
|
|
}
|
|
}
|