74 lines
2.5 KiB
Rust
74 lines
2.5 KiB
Rust
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// Copyright (c) 2017, 2018 lumi <lumi@pew.im>
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// Copyright (c) 2017, 2018, 2019 Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
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// Copyright (c) 2017, 2018, 2019 Maxime “pep” Buquet <pep@bouah.net>
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// Copyright (c) 2017, 2018 Astro <astro@spaceboyz.net>
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// Copyright (c) 2017 Bastien Orivel <eijebong@bananium.fr>
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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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use std::error::Error as StdError;
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use std::fmt;
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/// An error that signifies that a `Jid` cannot be parsed from a string.
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#[derive(Debug)]
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pub enum JidParseError {
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/// Happens when there is no domain, that is either the string is empty,
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/// starts with a /, or contains the @/ sequence.
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NoDomain,
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/// Happens when there is no resource, that is string contains no /.
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NoResource,
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/// Happens when the node is empty, that is the string starts with a @.
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EmptyNode,
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/// Happens when the resource is empty, that is the string ends with a /.
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EmptyResource,
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/// Happens when the JID is invalid according to stringprep. TODO: make errors
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/// meaningful.
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Stringprep(stringprep::Error),
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}
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impl From<stringprep::Error> for JidParseError {
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fn from(e: stringprep::Error) -> JidParseError {
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JidParseError::Stringprep(e)
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}
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}
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impl PartialEq for JidParseError {
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fn eq(&self, other: &JidParseError) -> bool {
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use JidParseError as E;
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match (self, other) {
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(E::NoDomain, E::NoDomain) => true,
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(E::NoResource, E::NoResource) => true,
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(E::EmptyNode, E::EmptyNode) => true,
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(E::EmptyResource, E::EmptyResource) => true,
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(E::Stringprep(_), E::Stringprep(_)) => true, // TODO: fix that upstream.
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_ => false,
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}
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}
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}
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impl Eq for JidParseError {}
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impl StdError for JidParseError {}
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impl fmt::Display for JidParseError {
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fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
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write!(
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fmt,
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"{}",
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match self {
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JidParseError::NoDomain => "no domain found in this JID",
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JidParseError::NoResource => "no resource found in this full JID",
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JidParseError::EmptyNode => "nodepart empty despite the presence of a @",
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JidParseError::EmptyResource => "resource empty despite the presence of a /",
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JidParseError::Stringprep(_err) => "TODO",
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}
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)
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}
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}
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