Update to zerocopy 0.8.0

Cargo.toml

@@ -3,7 +3,7 @@ resolver = "2"
 members = ["anise", "anise-cli", "anise-gui", "anise-py"]
 
 [workspace.package]
-version = "0.4.5"
+version = "0.5.0"
 edition = "2021"
 authors = ["Christopher Rabotin <[email protected]>"]
 description = "ANISE provides a toolkit and files for Attitude, Navigation, Instrument, Spacecraft, and Ephemeris data. It's a modern replacement of NAIF SPICE file."
@@ -38,7 +38,7 @@ nalgebra = { version = "0.33", default-features = true, features = [
     "serde-serialize",
 ] }
 approx = "0.5.1"
-zerocopy = { version = "0.7.26", features = ["derive"] }
+zerocopy = { version = "0.8.0", features = ["derive"] }
 bytes = "1.6.0"
 snafu = { version = "0.8.0", features = ["backtrace"] }
 lexical-core = "1.0.1"
@@ -50,7 +50,7 @@ serde = "1"
 serde_derive = "1"
 serde_dhall = "0.12"
 
-anise = { version = "0.4.5", path = "anise", default-features = false }
+anise = { version = "0.5.0", path = "anise", default-features = false }
 
 [profile.bench]
 debug = true

anise-cli/src/main.rs

@@ -112,7 +112,7 @@ fn main() -> Result<(), CliErrors> {
                 }
             } else {
                 // Load the header only
-                let file_record = FileRecord::read_from(&bytes[..FileRecord::SIZE]).unwrap();
+                let file_record = FileRecord::read_from_bytes(&bytes[..FileRecord::SIZE]).unwrap();
                 match file_record.identification().context(CliFileRecordSnafu)? {
                     "PCK" => {
                         info!("Loading {path_str:?} as DAF/PCK");
@@ -194,7 +194,7 @@ fn main() -> Result<(), CliErrors> {
 fn read_and_record(path_str: PathBuf) -> Result<(bytes::Bytes, FileRecord), CliErrors> {
     let bytes = file2heap!(path_str).context(AniseSnafu)?;
     // Load the header only
-    let file_record = FileRecord::read_from(&bytes[..FileRecord::SIZE]).unwrap();
+    let file_record = FileRecord::read_from_bytes(&bytes[..FileRecord::SIZE]).unwrap();
     Ok((bytes, file_record))
 }
 

anise/src/almanac/mod.rs

@@ -121,7 +121,7 @@ impl Almanac {
 
         // Load the header only
         if let Some(file_record_bytes) = bytes.get(..FileRecord::SIZE) {
-            let file_record = FileRecord::read_from(file_record_bytes).unwrap();
+            let file_record = FileRecord::read_from_bytes(file_record_bytes).unwrap();
             if let Ok(fileid) = file_record.identification() {
                 return match fileid {
                     "PCK" => {

anise/src/naif/daf/daf.rs

@@ -27,7 +27,7 @@ use hifitime::Epoch;
 use log::{debug, error, trace};
 use snafu::ResultExt;
 
-use zerocopy::AsBytes;
+use zerocopy::IntoBytes;
 use zerocopy::{FromBytes, Ref};
 
 macro_rules! io_imports {
@@ -76,7 +76,7 @@ impl<R: NAIFSummaryRecord, W: MutKind> GenericDAF<R, W> {
     }
 
     pub fn file_record(&self) -> Result<FileRecord, DAFError> {
-        let file_record = FileRecord::read_from(
+        let file_record = FileRecord::read_from_bytes(
             self.bytes
                 .get(..FileRecord::SIZE)
                 .ok_or_else(|| DecodingError::InaccessibleBytes {
@@ -108,7 +108,7 @@ impl<R: NAIFSummaryRecord, W: MutKind> GenericDAF<R, W> {
                 size: self.bytes.len(),
             })
             .context(DecodingNameSnafu { kind: R::NAME })?;
-        Ok(NameRecord::read_from(rcrd_bytes).unwrap())
+        Ok(NameRecord::read_from_bytes(rcrd_bytes).unwrap())
     }
 
     pub fn daf_summary(&self) -> Result<SummaryRecord, DAFError> {
@@ -123,8 +123,8 @@ impl<R: NAIFSummaryRecord, W: MutKind> GenericDAF<R, W> {
             })
             .context(DecodingSummarySnafu { kind: R::NAME })?;
 
-        SummaryRecord::read_from(&rcrd_bytes[..SummaryRecord::SIZE])
-            .ok_or(DecodingError::Casting)
+        SummaryRecord::read_from_bytes(&rcrd_bytes[..SummaryRecord::SIZE])
+            .or(Err(DecodingError::Casting))
             .context(DecodingSummarySnafu { kind: R::NAME })
     }
 
@@ -157,13 +157,15 @@ impl<R: NAIFSummaryRecord, W: MutKind> GenericDAF<R, W> {
         };
 
         // The summaries are defined in the same record as the DAF summary
-        Ok(match Ref::new_slice(&rcrd_bytes[SummaryRecord::SIZE..]) {
-            Some(data) => data.into_slice(),
-            None => &{
-                R::default();
-                [] as [R; 0]
+        Ok(
+            match Ref::<_, [R]>::from_bytes(&rcrd_bytes[SummaryRecord::SIZE..]) {
+                Ok(r) => Ref::into_ref(r),
+                Err(_) => &{
+                    R::default();
+                    [] as [R; 0]
+                },
             },
-        })
+        )
     }
 
     /// Returns the summary given the name of the summary record
@@ -271,27 +273,28 @@ impl<R: NAIFSummaryRecord, W: MutKind> GenericDAF<R, W> {
 
         let start = (this_summary.start_index() - 1) * DBL_SIZE;
         let end = this_summary.end_index() * DBL_SIZE;
-        let data: &[f64] = Ref::new_slice(
-            match self
-                .bytes
-                .get(start..end)
-                .ok_or_else(|| DecodingError::InaccessibleBytes {
-                    start,
-                    end,
-                    size: self.bytes.len(),
-                }) {
-                Ok(it) => it,
-                Err(source) => {
-                    return Err(DAFError::DecodingData {
-                        kind: R::NAME,
-                        idx,
-                        source,
-                    })
-                }
-            },
-        )
-        .unwrap()
-        .into_slice();
+        let data: &[f64] = Ref::into_ref(
+            Ref::<&[u8], [f64]>::from_bytes(
+                match self
+                    .bytes
+                    .get(start..end)
+                    .ok_or_else(|| DecodingError::InaccessibleBytes {
+                        start,
+                        end,
+                        size: self.bytes.len(),
+                    }) {
+                    Ok(it) => it,
+                    Err(source) => {
+                        return Err(DAFError::DecodingData {
+                            kind: R::NAME,
+                            idx,
+                            source,
+                        })
+                    }
+                },
+            )
+            .unwrap(),
+        );
 
         // Convert it
         S::from_f64_slice(data).context(DecodingDataSnafu { kind: R::NAME, idx })

anise/src/naif/daf/datatypes/posvel.rs

@@ -9,14 +9,14 @@
  */
 
 use core::fmt;
-use zerocopy::{AsBytes, FromBytes, FromZeroes};
+use zerocopy::{FromBytes, Immutable, IntoBytes, KnownLayout};
 
 use crate::{
     math::Vector3,
     naif::daf::{NAIFDataRecord, NAIFRecord},
 };
 
-#[derive(Copy, Clone, Default, AsBytes, FromBytes, FromZeroes, Debug)]
+#[derive(Copy, Clone, Default, IntoBytes, FromBytes, KnownLayout, Immutable, Debug)]
 #[repr(C)]
 pub struct PositionVelocityRecord {
     pub x_km: f64,

anise/src/naif/daf/file_record.rs

@@ -11,7 +11,7 @@
 use std::str::Utf8Error;
 
 use snafu::prelude::*;
-use zerocopy::{AsBytes, FromBytes, FromZeroes};
+use zerocopy::{FromBytes, Immutable, IntoBytes, KnownLayout};
 
 use crate::naif::Endian;
 use log::error;
@@ -42,7 +42,7 @@ pub enum FileRecordError {
     EmptyRecord,
 }
 
-#[derive(Debug, Clone, FromBytes, FromZeroes, AsBytes, PartialEq)]
+#[derive(Debug, Clone, FromBytes, KnownLayout, Immutable, IntoBytes, PartialEq)]
 #[repr(C)]
 pub struct FileRecord {
     pub id_str: [u8; 8],

anise/src/naif/daf/mod.rs

@@ -15,7 +15,7 @@ use crate::{
 use core::fmt::Display;
 use hifitime::Epoch;
 use snafu::prelude::*;
-use zerocopy::{AsBytes, FromBytes};
+use zerocopy::{FromBytes, Immutable, IntoBytes, KnownLayout};
 
 pub(crate) const RCRD_LEN: usize = 1024;
 #[allow(clippy::module_inception)]
@@ -39,11 +39,13 @@ pub use summary_record::SummaryRecord;
 
 use self::file_record::FileRecordError;
 
-pub trait NAIFRecord: AsBytes + FromBytes + Sized + Default + Debug {
+pub trait NAIFRecord:
+    IntoBytes + FromBytes + Sized + Default + Debug + Immutable + KnownLayout
+{
     const SIZE: usize = core::mem::size_of::<Self>();
 }
 
-pub trait NAIFSummaryRecord: NAIFRecord + Copy {
+pub trait NAIFSummaryRecord: NAIFRecord + Copy + Immutable + KnownLayout {
     type Error: 'static + std::error::Error;
 
     fn start_index(&self) -> usize;

anise/src/naif/daf/mut_daf.rs

@@ -23,7 +23,7 @@ use crate::{
 use bytes::BytesMut;
 use hifitime::Epoch;
 use snafu::ResultExt;
-use zerocopy::AsBytes;
+use zerocopy::IntoBytes;
 
 impl<R: NAIFSummaryRecord> MutDAF<R> {
     /// Parse the provided bytes as a SPICE Double Array File

anise/src/naif/daf/name_record.rs

@@ -8,14 +8,14 @@
  * Documentation: https://nyxspace.com/
  */
 
-use zerocopy::{AsBytes, FromBytes, FromZeroes};
+use zerocopy::{FromBytes, Immutable, IntoBytes, KnownLayout};
 
 use crate::DBL_SIZE;
 use log::warn;
 
 use super::{DAFError, NAIFRecord, NAIFSummaryRecord, RCRD_LEN};
 
-#[derive(AsBytes, Clone, Debug, FromZeroes, FromBytes)]
+#[derive(IntoBytes, FromBytes, KnownLayout, Immutable, Clone, Debug)]
 #[repr(C)]
 pub struct NameRecord {
     raw_names: [u8; RCRD_LEN],

anise/src/naif/daf/summary_record.rs

@@ -8,11 +8,11 @@
  * Documentation: https://nyxspace.com/
  */
 
-use zerocopy::{AsBytes, FromBytes, FromZeroes};
+use zerocopy::{FromBytes, Immutable, IntoBytes, KnownLayout};
 
 use super::NAIFRecord;
 
-#[derive(AsBytes, Clone, Copy, Debug, Default, FromZeroes, FromBytes)]
+#[derive(IntoBytes, Clone, Copy, Debug, Default, FromBytes, KnownLayout, Immutable)]
 #[repr(C)]
 pub struct SummaryRecord {
     next_record: f64,

anise/src/naif/pck/mod.rs

@@ -13,7 +13,7 @@ use crate::{
     orientations::OrientationError,
 };
 use hifitime::Epoch;
-use zerocopy::{AsBytes, FromBytes, FromZeroes};
+use zerocopy::{FromBytes, Immutable, IntoBytes, KnownLayout};
 
 #[cfg(feature = "python")]
 use pyo3::prelude::*;
@@ -22,7 +22,7 @@ use super::daf::DafDataType;
 
 #[cfg_attr(feature = "python", pyclass)]
 #[cfg_attr(feature = "python", pyo3(module = "anise.internals"))]
-#[derive(Clone, Copy, Debug, Default, AsBytes, FromZeroes, FromBytes, PartialEq)]
+#[derive(Clone, Copy, Debug, Default, IntoBytes, FromBytes, KnownLayout, Immutable, PartialEq)]
 #[repr(C)]
 pub struct BPCSummaryRecord {
     pub start_epoch_et_s: f64,

anise/src/naif/spk/summary.rs

@@ -10,7 +10,7 @@
 
 use core::fmt;
 use hifitime::{Epoch, TimeUnits};
-use zerocopy::{AsBytes, FromBytes, FromZeroes};
+use zerocopy::{FromBytes, Immutable, IntoBytes, KnownLayout};
 
 #[cfg(feature = "python")]
 use pyo3::prelude::*;
@@ -23,7 +23,7 @@ use crate::{
 
 #[cfg_attr(feature = "python", pyclass)]
 #[cfg_attr(feature = "python", pyo3(module = "anise.internals"))]
-#[derive(Clone, Copy, Debug, Default, AsBytes, FromZeroes, FromBytes, PartialEq)]
+#[derive(Clone, Copy, Debug, Default, IntoBytes, Immutable, KnownLayout, FromBytes, PartialEq)]
 #[repr(C)]
 pub struct SPKSummaryRecord {
     pub start_epoch_et_s: f64,