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feat: support line breaks

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PoiScript 2023-11-21 16:33:30 +08:00
parent 6598095a9f
commit 58dfb022c2
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GPG key ID: 22C2B1249D99985E
10 changed files with 199 additions and 60 deletions
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27
src/syntax/object.rs
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@ -10,6 +10,7 @@ use super::{
inline_src::inline_src_node,
input::Input,
latex_fragment::latex_fragment_node,
line_break::line_break_node,
link::link_node,
macros::macros_node,
radio_target::radio_target_node,
@ -110,10 +111,10 @@ impl<'a> Iterator for ObjectPositions<'a> {
/// - Statistics Cookies
/// - Timestamps
/// - Text Markup (bold code strike verbatim underline italic)
/// - Line Breaks
///
/// // todo:
/// - Citations
/// - Line Breaks
/// - Subscript and Superscript
pub fn object_nodes(input: Input) -> Vec<GreenElement> {
// TODO:
@ -124,11 +125,6 @@ pub fn object_nodes(input: Input) -> Vec<GreenElement> {
'l: while !i.is_empty() {
for (input, head) in ObjectPositions::standard(i) {
debug_assert!(
input.s.len() >= 2,
"object must have at least two characters: {:?}",
input.s
);
if let Ok((input, node)) = standard_object_node(input) {
if !head.is_empty() {
nodes.push(head.text_token())
@ -170,11 +166,6 @@ pub fn minimal_object_nodes(input: Input) -> Vec<GreenElement> {
'l: while !i.is_empty() {
for (input, head) in ObjectPositions::minimal(i) {
debug_assert!(
input.s.len() >= 2,
"object must have at least two characters: {:?}",
input.s
);
if let Ok((input, node)) = minimal_object_node(input) {
if !head.is_empty() {
nodes.push(head.text_token())
@ -205,6 +196,12 @@ pub fn minimal_object_nodes(input: Input) -> Vec<GreenElement> {
/// parse an object from standard sets
fn standard_object_node(i: Input) -> IResult<Input, GreenElement, ()> {
debug_assert!(
i.s.len() >= 2,
"object must have at least two characters: {:?}",
i.s
);
match &i.as_bytes()[0] {
b'*' => bold_node(i),
b'+' => strike_node(i),
@ -225,7 +222,13 @@ fn standard_object_node(i: Input) -> IResult<Input, GreenElement, ()> {
b'c' => inline_call_node(i),
b's' => inline_src_node(i),
b'$' => latex_fragment_node(i),
b'\\' => entity_node(i).or_else(|_| latex_fragment_node(i)),
b'\\' => {
if i.as_bytes()[1] == b'\\' {
line_break_node(i)
} else {
entity_node(i).or_else(|_| latex_fragment_node(i))
}
}
_ => Err(nom::Err::Error(())),
}
}