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-rw-r--r--src/dstream/mod.rs86
1 files changed, 0 insertions, 86 deletions
diff --git a/src/dstream/mod.rs b/src/dstream/mod.rs
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index ca7f619..0000000
--- a/src/dstream/mod.rs
+++ /dev/null
@@ -1,86 +0,0 @@
-// Copyright 2024 Gabriel Bjørnager Jensen.
-//
-// This file is part of bzipper.
-//
-// bzipper is free software: you can redistribute
-// it and/or modify it under the terms of the GNU
-// Lesser General Public License as published by
-// the Free Software Foundation, either version 3
-// of the License, or (at your option) any later
-// version.
-//
-// bzipper is distributed in the hope that it will
-// be useful, but WITHOUT ANY WARRANTY; without
-// even the implied warranty of MERCHANTABILITY or
-// FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-// Lesser General Public License for more details.
-//
-// You should have received a copy of the GNU Less-
-// er General Public License along with bzipper. If
-// not, see <https://www.gnu.org/licenses/>.
-
-use crate::{Error, Result};
-
-use core::fmt::{Debug, Formatter};
-
-/// Byte stream for deserialisation.
-///
-/// This type borrows a byte slice (hence [`new`](Dstream::new)), keeping track internally of the used bytes.
-#[derive(Clone)]
-pub struct Dstream<'a> {
- data: &'a [u8],
- len: usize,
-}
-
-impl<'a> Dstream<'a> {
- /// Constructs a new byte stream.
- #[inline(always)]
- #[must_use]
- pub fn new<T: AsRef<[u8]> + ?Sized>(buf: &'a T) -> Self { Self {
- data: buf.as_ref(),
- len: buf.as_ref().len(),
- } }
-
- /// Takes bytes from the stream.
- ///
- /// # Errors
- ///
- /// If the internal buffer doesn't hold at least the requested amount of bytes, an [`EndOfStream`](Error::EndOfStream) error is returned.
- pub fn take(&mut self, req: usize) -> Result<&[u8]> {
- let rem = self.len;
-
- if rem < req { return Err(Error::EndOfStream { req, rem } ) }
-
- let start = self.data.len() - rem;
- let stop = start + req;
-
- self.len -= req;
- Ok(&self.data[start..stop])
- }
-
- /// Takes a single byte from the stream.
- ///
- /// # Errors
- ///
- /// If the internal buffer doesn't hold at least the requested amount of bytes, an [`EndOfStream`](Error::EndOfStream) error is returned.
- pub fn take_byte(&mut self) -> Result<u8> {
- const LEN: usize = 0x1;
-
- if self.len < LEN { return Err(Error::EndOfStream { req: LEN, rem: self.len } ) }
-
- self.len -= LEN;
-
- let index = self.data.len() - self.len;
- Ok(self.data[index])
- }
-}
-
-impl Debug for Dstream<'_> {
- fn fmt(&self, f: &mut Formatter) -> core::fmt::Result {
- self.data.fmt(f)
- }
-}
-
-impl<'a, T: AsRef<[u8]>> From<&'a T> for Dstream<'a> {
- fn from(value: &'a T) -> Self { Self::new(value) }
-}