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Impl Ref::fs_file()

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This commit is contained in:
Matthias Beyer 2016-06-23 14:16:05 +02:00
parent ac0d22e479
commit 904d81595b
1 changed files with 7 additions and 2 deletions
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9
libimagref/src/reference.rs
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@ -239,8 +239,13 @@ impl<'a> Ref<'a> {
}
/// Get the path of the file which is reffered to by this Ref
pub fn fs_file(&self) -> &PathBuf {
unimplemented!()
pub fn fs_file(&self) -> Result<PathBuf> {
match self.0.get_header().read("ref.path") {
Ok(Some(Value::String(ref s))) => Ok(PathBuf::from(s)),
Ok(Some(_)) => Err(REK::HeaderTypeError.into_error()),
Ok(None) => Err(REK::HeaderFieldMissingError.into_error()),
Err(e) => Err(REK::StoreReadError.into_error_with_cause(Box::new(e))),
}
}
/// Check whether there is a reference to the file at `pb`