48f77acb69
Only std::error::Error is missing in this mode, but that’s only waiting for its stabilisation, see this issue: https://github.com/rust-lang/rust/issues/103765
72 lines
2.7 KiB
Rust
72 lines
2.7 KiB
Rust
// 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 core::fmt;
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#[cfg(feature = "std")]
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use std::error::Error as StdError;
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/// An error that signifies that a `Jid` cannot be parsed from a string.
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#[derive(Debug, PartialEq, Eq)]
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pub enum Error {
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/// Happens when the node is empty, that is the string starts with a @.
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NodeEmpty,
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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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DomainEmpty,
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/// Happens when the resource is empty, that is the string ends with a /.
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ResourceEmpty,
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/// Happens when the localpart is longer than 1023 bytes.
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NodeTooLong,
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/// Happens when the domain is longer than 1023 bytes.
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DomainTooLong,
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/// Happens when the resource is longer than 1023 bytes.
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ResourceTooLong,
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/// Happens when the localpart is invalid according to nodeprep.
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NodePrep,
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/// Happens when the domain is invalid according to nameprep.
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NamePrep,
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/// Happens when the resource is invalid according to resourceprep.
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ResourcePrep,
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/// Happens when there is no resource, that is string contains no /.
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ResourceMissingInFullJid,
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/// Happens when parsing a bare JID and there is a resource.
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ResourceInBareJid,
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}
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#[cfg(feature = "std")]
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impl StdError for Error {}
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impl fmt::Display for Error {
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fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
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fmt.write_str(match self {
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Error::NodeEmpty => "nodepart empty despite the presence of a @",
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Error::DomainEmpty => "no domain found in this JID",
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Error::ResourceEmpty => "resource empty despite the presence of a /",
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Error::NodeTooLong => "localpart longer than 1023 bytes",
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Error::DomainTooLong => "domain longer than 1023 bytes",
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Error::ResourceTooLong => "resource longer than 1023 bytes",
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Error::NodePrep => "localpart doesn’t pass nodeprep validation",
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Error::NamePrep => "domain doesn’t pass nameprep validation",
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Error::ResourcePrep => "resource doesn’t pass resourceprep validation",
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Error::ResourceMissingInFullJid => "no resource found in this full JID",
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Error::ResourceInBareJid => "resource found while parsing a bare JID",
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})
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}
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}
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