| use std::{borrow::Cow, ops::Deref}; |
|
|
| use smallvec::SmallVec; |
|
|
| pub enum ValueBuffer<'l> { |
| Borrowed(&'l [u8]), |
| Vec(Vec<u8>), |
| SmallVec(SmallVec<[u8; 16]>), |
| } |
|
|
| impl ValueBuffer<'_> { |
| pub fn into_vec(self) -> Vec<u8> { |
| match self { |
| ValueBuffer::Borrowed(b) => b.to_vec(), |
| ValueBuffer::Vec(v) => v, |
| ValueBuffer::SmallVec(sv) => sv.into_vec(), |
| } |
| } |
|
|
| pub fn into_small_vec(self) -> SmallVec<[u8; 16]> { |
| match self { |
| ValueBuffer::Borrowed(b) => SmallVec::from_slice(b), |
| ValueBuffer::Vec(v) => SmallVec::from_vec(v), |
| ValueBuffer::SmallVec(sv) => sv, |
| } |
| } |
| } |
|
|
| impl<'l> From<&'l [u8]> for ValueBuffer<'l> { |
| fn from(b: &'l [u8]) -> Self { |
| ValueBuffer::Borrowed(b) |
| } |
| } |
|
|
| impl From<Vec<u8>> for ValueBuffer<'_> { |
| fn from(v: Vec<u8>) -> Self { |
| ValueBuffer::Vec(v) |
| } |
| } |
|
|
| impl From<SmallVec<[u8; 16]>> for ValueBuffer<'_> { |
| fn from(sv: SmallVec<[u8; 16]>) -> Self { |
| ValueBuffer::SmallVec(sv) |
| } |
| } |
|
|
| impl<'l> From<Cow<'l, [u8]>> for ValueBuffer<'l> { |
| fn from(c: Cow<'l, [u8]>) -> Self { |
| match c { |
| Cow::Borrowed(b) => ValueBuffer::Borrowed(b), |
| Cow::Owned(o) => ValueBuffer::Vec(o), |
| } |
| } |
| } |
|
|
| impl Deref for ValueBuffer<'_> { |
| type Target = [u8]; |
|
|
| fn deref(&self) -> &Self::Target { |
| match self { |
| ValueBuffer::Borrowed(b) => b, |
| ValueBuffer::Vec(v) => v, |
| ValueBuffer::SmallVec(sv) => sv, |
| } |
| } |
| } |
|
|
