mirror of
https://gitlab.com/xmpp-rs/xmpp-rs.git
synced 2024-06-02 22:39:21 +02:00
1bab5c3cd9
These became warnings in a recent nightly.
The TryFrom/TryInto imports were missed in
4089891f6c, but the rest are truly
redundant.
76 lines
2.4 KiB
Rust
76 lines
2.4 KiB
Rust
// Copyright (c) 2020 lumi <lumi@pew.im>
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// Copyright (c) 2020 Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
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// Copyright (c) 2020 Bastien Orivel <eijebong+minidom@bananium.fr>
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// Copyright (c) 2020 Astro <astro@spaceboyz.net>
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// Copyright (c) 2020 Maxime “pep” Buquet <pep@bouah.net>
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// Copyright (c) 2020 Matt Bilker <me@mbilker.us>
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//
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// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this
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// file, You can obtain one at http://mozilla.org/MPL/2.0/.
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//! Provides an error type for this crate.
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use std::error::Error as StdError;
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/// Our main error type.
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#[derive(Debug)]
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pub enum Error {
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/// Error from rxml parsing or writing
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XmlError(rxml::Error),
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/// An error which is returned when the end of the document was reached prematurely.
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EndOfDocument,
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/// An error which is returned when an element being serialized doesn't contain a prefix
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/// (be it None or Some(_)).
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InvalidPrefix,
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/// An error which is returned when an element doesn't contain a namespace
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MissingNamespace,
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/// An error which is returned when a prefixed is defined twice
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DuplicatePrefix,
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}
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impl StdError for Error {
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fn cause(&self) -> Option<&dyn StdError> {
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match self {
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Error::XmlError(e) => Some(e),
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Error::EndOfDocument => None,
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Error::InvalidPrefix => None,
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Error::MissingNamespace => None,
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Error::DuplicatePrefix => None,
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}
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}
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}
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impl std::fmt::Display for Error {
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fn fmt(&self, fmt: &mut std::fmt::Formatter) -> std::fmt::Result {
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match self {
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Error::XmlError(e) => write!(fmt, "XML error: {}", e),
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Error::EndOfDocument => {
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write!(fmt, "the end of the document has been reached prematurely")
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}
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Error::InvalidPrefix => write!(fmt, "the prefix is invalid"),
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Error::MissingNamespace => write!(fmt, "the XML element is missing a namespace",),
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Error::DuplicatePrefix => write!(fmt, "the prefix is already defined"),
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}
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}
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}
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impl From<rxml::Error> for Error {
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fn from(err: rxml::Error) -> Error {
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Error::XmlError(err)
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}
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}
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impl From<rxml::error::XmlError> for Error {
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fn from(err: rxml::error::XmlError) -> Error {
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Error::XmlError(err.into())
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}
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}
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/// Our simplified Result type.
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pub type Result<T> = ::std::result::Result<T, Error>;
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