54 lines
1.8 KiB
Rust
54 lines
1.8 KiB
Rust
// Implement debug to allow .unwrap().
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#[derive(Debug)]
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pub enum ErrorType {
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EntityFollowingMalformedEntity,
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NoSpaceBeforeAttr,
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UnterminatedCssString,
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UnterminatedJsString,
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UnterminatedJsRegExp,
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CharNotFound { need: u8, got: u8 },
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MatchNotFound(&'static [u8]),
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NotFound(&'static str),
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ExpectedChar(u8),
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UnexpectedEnd,
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}
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impl ErrorType {
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pub fn message(self) -> String {
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match self {
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ErrorType::EntityFollowingMalformedEntity => {
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format!("Entity cannot follow malformed entity.")
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}
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ErrorType::NoSpaceBeforeAttr => {
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format!("Space required before attribute.")
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}
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ErrorType::UnterminatedCssString => {
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format!("Unterminated CSS string.")
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}
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ErrorType::UnterminatedJsString => {
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format!("Unterminated JavaScript string.")
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}
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ErrorType::UnterminatedJsRegExp => {
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format!("Unterminated JavaScript regular expression.")
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}
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ErrorType::CharNotFound { need, got } => {
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format!("Expected {} (U+{:X}), got {} (U+{:X}).", need as char, need, got as char, got)
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}
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ErrorType::MatchNotFound(seq) => {
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format!("Expected `{}`.", unsafe { std::str::from_utf8_unchecked(seq) })
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}
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ErrorType::NotFound(exp) => {
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format!("Expected {}.", exp)
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}
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ErrorType::ExpectedChar(unexp) => {
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format!("Expected {} (U+{:X}).", unexp as char, unexp)
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}
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ErrorType::UnexpectedEnd => {
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format!("Unexpected end of source code.")
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}
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}
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}
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}
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pub type ProcessingResult<T> = Result<T, ErrorType>;
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