codec_pem/error.rs
1// SPDX-FileCopyrightText: Copyright © 2026 ReallyMe LLC. All rights reserved
2//
3// SPDX-License-Identifier: Apache-2.0
4
5use thiserror::Error;
6
7/// Error returned when PEM text armor cannot be parsed or encoded.
8#[derive(Debug, Error, Clone, Copy, PartialEq, Eq)]
9#[non_exhaustive]
10pub enum PemError {
11 /// The input text exceeded the configured maximum size.
12 #[error("pem: input too large")]
13 InputTooLarge,
14 /// The decoded DER body exceeded the configured maximum size.
15 #[error("pem: der body too large")]
16 DerTooLarge,
17 /// The PEM document did not contain a BEGIN boundary.
18 #[error("pem: missing begin boundary")]
19 MissingBegin,
20 /// The PEM document did not contain a matching END boundary.
21 #[error("pem: missing end boundary")]
22 MissingEnd,
23 /// The BEGIN and END labels did not match.
24 #[error("pem: label mismatch")]
25 LabelMismatch,
26 /// The label is not part of the configured allowlist.
27 #[error("pem: unsupported label")]
28 UnsupportedLabel,
29 /// A boundary line was malformed.
30 #[error("pem: invalid boundary")]
31 InvalidBoundary,
32 /// The base64 body was malformed.
33 #[error("pem: invalid base64")]
34 InvalidBase64,
35 /// The body was empty or contained invalid armor data.
36 #[error("pem: invalid body")]
37 InvalidBody,
38 /// The encode options were invalid.
39 #[error("pem: invalid options")]
40 InvalidOptions,
41}