#[derive(Clone, Copy, Debug, PartialEq, Eq)]
pub enum HtmlErrorKind {
Eof,
UnexpectedToken,
InvalidTagName,
UnterminatedTag,
UnterminatedComment,
UnterminatedAttribute,
UnterminatedDoctype,
UnterminatedEntity,
DuplicateAttribute,
MismatchedClosingTag,
InvalidUtf8,
MaxDepthExceeded,
MaxNodeCountExceeded,
MaxAttributeCountExceeded,
MaxAttributeValueLengthExceeded,
}
#[derive(Clone, Copy, Debug, PartialEq, Eq)]
pub struct HtmlErrorPosition {
pub line: usize,
pub column: usize,
}
#[derive(Clone, Copy, Debug, PartialEq, Eq)]
pub struct HtmlError {
pub kind: HtmlErrorKind,
pub offset: usize,
}
impl HtmlError {
pub(crate) const fn new(kind: HtmlErrorKind, offset: usize) -> Self {
Self { kind, offset }
}
pub fn line_column(&self, input: &[u8]) -> HtmlErrorPosition {
let end = core::cmp::min(self.offset, input.len());
let mut line = 1usize;
let mut col = 1usize;
let mut idx = 0usize;
while idx < end {
if input[idx] == b'\n' {
line += 1;
col = 1;
} else {
col += 1;
}
idx += 1;
}
HtmlErrorPosition { line, column: col }
}
}