1use std::fmt;
2
3#[derive(thiserror::Error, miette::Diagnostic, Debug, PartialEq)]
5pub enum VersionError {
6 BadlyFormed { text: Option<String> },
7 NotFound { text: Option<String> },
8}
9
10impl VersionError {
11 pub fn text(&self) -> Option<&str> {
12 match self {
13 Self::BadlyFormed { text: Some(text) } => Some(text.as_str()),
14 Self::NotFound { text: Some(text) } => Some(text.as_str()),
15 _ => None,
16 }
17 }
18}
19
20impl fmt::Display for VersionError {
21 fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
22 match self {
23 VersionError::BadlyFormed { text: Some(text) } => {
24 write!(fmt, "version string {text:?} is badly formed")
25 }
26 VersionError::BadlyFormed { text: None } => {
27 write!(fmt, "version string is badly formed")
28 }
29 VersionError::NotFound { text: Some(text) } => {
30 write!(fmt, "version not found in {text:?}")
31 }
32 VersionError::NotFound { text: None } => {
33 write!(fmt, "version not found")
34 }
35 }
36 }
37}