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fixup! block: parse list item

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This commit is contained in:
Noah Hellman 2023-01-22 20:28:09 +01:00
parent a9ce70aae3
commit c4a9a3e0b0
1 changed files with 73 additions and 63 deletions
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40
src/block.rs
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@ -388,7 +388,7 @@ impl BlockParser {
) )
}) })
} }
c => maybe_ordered_list_item(c, &mut chars).map(|(num, style, len)| { c => Self::maybe_ordered_list_item(c, &mut chars).map(|(num, style, len)| {
( (
Block::Container(ListItem(Ordered(num, style))), Block::Container(ListItem(Ordered(num, style))),
Span::by_len(start, len), Span::by_len(start, len),
@ -426,7 +426,16 @@ impl BlockParser {
Block::Leaf(Paragraph | Heading | Table) => !line.trim().is_empty(), Block::Leaf(Paragraph | Heading | Table) => !line.trim().is_empty(),
Block::Leaf(LinkDefinition) => line.starts_with(' ') && !line.trim().is_empty(), Block::Leaf(LinkDefinition) => line.starts_with(' ') && !line.trim().is_empty(),
Block::Container(Blockquote) => line.trim().starts_with('>'), Block::Container(Blockquote) => line.trim().starts_with('>'),
Block::Container(Footnote | ListItem(..)) => { Block::Container(ListItem(..)) => {
let spaces = line.chars().take_while(|c| c.is_whitespace()).count();
empty
|| spaces > self.indent
|| matches!(
Self::parse(std::iter::once(line)),
Some((_, Block::Leaf(Leaf::Paragraph), _, _)),
)
}
Block::Container(Footnote) => {
let spaces = line.chars().take_while(|c| c.is_whitespace()).count(); let spaces = line.chars().take_while(|c| c.is_whitespace()).count();
empty || spaces > self.indent empty || spaces > self.indent
} }
@ -439,12 +448,19 @@ impl BlockParser {
Block::Container(List(..)) => panic!(), Block::Container(List(..)) => panic!(),
} }
} }
}
fn maybe_ordered_list_item( fn maybe_ordered_list_item(
mut first: char, mut first: char,
chars: &mut std::str::Chars, chars: &mut std::str::Chars,
) -> Option<(crate::OrderedListNumbering, crate::OrderedListStyle, usize)> { ) -> Option<(crate::OrderedListNumbering, crate::OrderedListStyle, usize)> {
fn is_roman_lower_digit(c: char) -> bool {
matches!(c, 'i' | 'v' | 'x' | 'l' | 'c' | 'd' | 'm')
}
fn is_roman_upper_digit(c: char) -> bool {
matches!(c, 'I' | 'V' | 'X' | 'L' | 'C' | 'D' | 'M')
}
let start_paren = first == '('; let start_paren = first == '(';
if start_paren { if start_paren {
first = chars.next().unwrap_or(EOF); first = chars.next().unwrap_or(EOF);
@ -493,8 +509,9 @@ fn maybe_ordered_list_item(
let len_style = usize::from(start_paren) + 1; let len_style = usize::from(start_paren) + 1;
let chars_num = std::iter::once(first).chain(chars_num.take(len_num - 1)); let chars_num = std::iter::once(first).chain(chars_num.take(len_num - 1));
let numbering = let numbering = if matches!(numbering, AlphaLower)
if matches!(numbering, AlphaLower) && chars_num.clone().all(is_roman_lower_digit) { && chars_num.clone().all(is_roman_lower_digit)
{
RomanLower RomanLower
} else if matches!(numbering, AlphaUpper) && chars_num.clone().all(is_roman_upper_digit) { } else if matches!(numbering, AlphaUpper) && chars_num.clone().all(is_roman_upper_digit) {
RomanUpper RomanUpper
@ -507,14 +524,7 @@ fn maybe_ordered_list_item(
} else { } else {
None None
} }
} }
fn is_roman_lower_digit(c: char) -> bool {
matches!(c, 'i' | 'v' | 'x' | 'l' | 'c' | 'd' | 'm')
}
fn is_roman_upper_digit(c: char) -> bool {
matches!(c, 'I' | 'V' | 'X' | 'L' | 'C' | 'D' | 'M')
} }
impl std::fmt::Display for Block { impl std::fmt::Display for Block {