lssg_lib/
lssg_error.rs

1use core::fmt;
2use std::io;
3
4use crate::parse_error::ParseError;
5
6#[derive(Debug)]
7pub enum LssgErrorKind {
8    ParseError,
9    /// Render error
10    Render,
11    /// Error with the sitetree
12    SiteTree,
13    Io,
14}
15
16#[derive(Debug)]
17pub struct LssgError {
18    message: String,
19    context: Option<String>,
20    kind: LssgErrorKind,
21}
22impl LssgError {
23    pub fn new<S: Into<String>>(message: S, kind: LssgErrorKind) -> LssgError {
24        LssgError {
25            message: message.into(),
26            kind,
27            context: None,
28        }
29    }
30
31    pub fn sitetree<S: Into<String>>(message: S) -> LssgError {
32        Self::new(message, LssgErrorKind::SiteTree)
33    }
34
35    pub fn render<S: Into<String>>(message: S) -> LssgError {
36        Self::new(message, LssgErrorKind::Render)
37    }
38
39    pub fn io<S: Into<String>>(message: S) -> LssgError {
40        Self::new(message, LssgErrorKind::Io)
41    }
42
43    pub fn with_context(mut self, context: impl Into<String>) -> Self {
44        self.context = Some(context.into());
45        self
46    }
47}
48impl From<ParseError> for LssgError {
49    fn from(error: ParseError) -> Self {
50        Self::new(&error.to_string(), LssgErrorKind::ParseError)
51    }
52}
53impl From<io::Error> for LssgError {
54    fn from(error: io::Error) -> Self {
55        Self::new(&error.to_string(), LssgErrorKind::Io)
56    }
57}
58
59impl std::error::Error for LssgError {}
60
61impl fmt::Display for LssgError {
62    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
63        let context = if let Some(context) = &self.context {
64            format!("with context '{context}'")
65        } else {
66            "".into()
67        };
68        write!(
69            f,
70            "Error when generating static files: '{}' {context}",
71            self.message
72        )
73    }
74}
lssg_lib/lssg_error.rs

lssg_lib/
lssg_error.rs
