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reverted to single ReadNAtom error type

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This commit is contained in:
daniel
2020-11-12 09:59:59 +01:00
parent 90c4c73887
commit 80b6cafc66
3 changed files with 8 additions and 13 deletions
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15
src/errors.rs
View File

@@ -26,8 +26,7 @@ pub enum Error {
InvalidOsStr,
/// A path could not be converted to &CStr because it had a null byte
NullInStr(std::ffi::NulError),
CheckNAtomsDuringRead(Box<Error>),
CheckNAtomsDuringIter(Box<Error>),
CouldNotCheckNAtoms(Box<Error>),
}
impl Error {
@@ -64,7 +63,7 @@ impl std::error::Error for Error {
use Error::*;
match &self {
NullInStr(err) => Some(err),
CheckNAtomsDuringRead(err) | CheckNAtomsDuringIter(err) => Some(err.as_ref()),
CouldNotCheckNAtoms(err) => Some(err.as_ref()),
_ => None,
}
}
@@ -123,14 +122,10 @@ impl std::fmt::Display for Error {
}
InvalidOsStr => write!(f, "Paths must be valid unicode on this platform"),
NullInStr(_err) => write!(f, "Paths cannot include null bytes"),
CheckNAtomsDuringRead(_err) => write!(
CouldNotCheckNAtoms(_err) => write!(
f,
"Failed to check number of atoms in trajectory while reading a frame"
),
CheckNAtomsDuringIter(_err) => write!(
f,
"Failed to check number of atoms in trajectory while creating iterator"
),
"Failed to read number of atoms in trajectory file"
)
}
}
}

2
src/iterator.rs
View File

@@ -50,7 +50,7 @@ impl<T: Trajectory> TrajectoryIterator<T> {
// It's OK to do this every frame because the result is cached by Trajectory
let num_atoms = match &self.trajectory.get_num_atoms() {
&Ok(n) => n,
Err(e) => Err(Error::CheckNAtomsDuringIter(Box::new(e.clone())))?,
Err(e) => Err(Error::CouldNotCheckNAtoms(Box::new(e.clone())))?,
};
// Reuse old frame

4
src/lib.rs
View File

@@ -218,7 +218,7 @@ impl Trajectory for XTCTrajectory {
let num_atoms =
self.get_num_atoms()
.map_err(|e| Error::CheckNAtomsDuringRead(Box::new(e)))? as usize;
.map_err(|e| Error::CouldNotCheckNAtoms(Box::new(e)))? as usize;
if num_atoms != frame.coords.len() {
Err((&*frame, num_atoms))?;
}
@@ -337,7 +337,7 @@ impl Trajectory for TRRTrajectory {
let num_atoms =
self.get_num_atoms()
.map_err(|e| Error::CheckNAtomsDuringRead(Box::new(e)))? as usize;
.map_err(|e| Error::CouldNotCheckNAtoms(Box::new(e)))? as usize;
if num_atoms != frame.coords.len() {
Err((&*frame, num_atoms))?;
}