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minidom: Make ElementBuilder::prefix fail on adding duplicate prefix

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Signed-off-by: Maxime “pep” Buquet <pep@bouah.net>
This commit is contained in:
Maxime “pep” Buquet 2020-03-29 21:35:53 +02:00
commit 937e2380b9
3 changed files with 21 additions and 14 deletions
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5
minidom-rs/src/error.rs
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@ -44,6 +44,9 @@ pub enum Error {
/// An error which is returned when a comment is to be parsed by minidom
NoComments,
/// An error which is returned when a prefixed is defined twice
DuplicatePrefix,
}
impl StdError for Error {
@ -58,6 +61,7 @@ impl StdError for Error {
Error::InvalidPrefix => None,
Error::MissingNamespace => None,
Error::NoComments => None,
Error::DuplicatePrefix => None,
}
}
}
@ -84,6 +88,7 @@ impl std::fmt::Display for Error {
fmt,
"a comment has been found even though comments are forbidden"
),
Error::DuplicatePrefix => write!(fmt, "the prefix is already defined"),
}
}
}