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fix(emphasis): continue if text content is empty (#10)

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PoiScript 2020-05-04 10:05:32 +08:00
parent d86597fb25
commit 37853180bb
1 changed files with 10 additions and 2 deletions
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12
src/elements/emphasis.rs
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@ -12,13 +12,21 @@ pub(crate) struct Emphasis<'a> {
impl<'a> Emphasis<'a> { impl<'a> Emphasis<'a> {
pub fn parse(text: &str, marker: u8) -> Option<(&str, Emphasis)> { pub fn parse(text: &str, marker: u8) -> Option<(&str, Emphasis)> {
debug_assert!(text.len() >= 3); if text.len() < 3 {
return None;
}
let bytes = text.as_bytes(); let bytes = text.as_bytes();
if bytes[1].is_ascii_whitespace() { if bytes[1].is_ascii_whitespace() {
return None; return None;
} }
for i in memchr_iter(marker, bytes).skip(1) { for i in memchr_iter(marker, bytes).skip(1) {
if count(&bytes[1..i], b'\n') >= 2 { // contains at least one character
if i == 1 {
continue;
} else if count(&bytes[1..i], b'\n') >= 2 {
break; break;
} else if validate_marker(i, text) { } else if validate_marker(i, text) {
return Some(( return Some((