Jeremy Soller
48 lines
989 B
Rust
48 lines
989 B
Rust
use alloc::{boxed::Box, vec};
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use core::ops;
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use crate::{BlockLevel, BlockTrait, RECORD_LEVEL};
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//TODO: this is a box to prevent stack overflows
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pub struct RecordRaw(Box<[u8]>);
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unsafe impl BlockTrait for RecordRaw {
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fn empty(level: BlockLevel) -> Option<Self> {
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if level.0 <= RECORD_LEVEL {
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Some(Self(vec![0; level.bytes() as usize].into_boxed_slice()))
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} else {
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None
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}
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}
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}
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impl Clone for RecordRaw {
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fn clone(&self) -> Self {
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Self(self.0.clone())
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}
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}
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impl ops::Deref for RecordRaw {
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type Target = [u8];
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fn deref(&self) -> &[u8] {
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&self.0
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}
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}
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impl ops::DerefMut for RecordRaw {
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fn deref_mut(&mut self) -> &mut [u8] {
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&mut self.0
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}
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}
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#[test]
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fn record_raw_size_test() {
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for level_i in 0..RECORD_LEVEL {
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let level = BlockLevel(level_i);
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assert_eq!(
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RecordRaw::empty(level).unwrap().len(),
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level.bytes() as usize
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);
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}
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}
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