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Ignore object links inside code blocks

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This commit is contained in:
silverpill 2022-10-15 23:43:27 +00:00
parent a771e5e4fa
commit ea62f1fdaf
1 changed files with 13 additions and 1 deletions
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14
src/models/posts/links.rs
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@ -9,12 +9,24 @@ use super::types::Post;
const OBJECT_LINK_SEARCH_RE: &str = r"(?m)\[\[(?P<url>\S+)\]\]";
fn is_inside_code_block(caps: &Captures, text: &str) -> bool {
// TODO: remove workaround.
// Perform replacement only inside text nodes during markdown parsing
let text_before = &text[0..caps.name("url").unwrap().start()];
let code_open = text_before.matches("<code>").count();
let code_closed = text_before.matches("</code>").count();
code_open > code_closed
}
/// Finds everything that looks like an object link
fn find_object_links(text: &str) -> Vec<String> {
let link_re = Regex::new(OBJECT_LINK_SEARCH_RE).unwrap();
let mut links = vec![];
for caps in link_re.captures_iter(text) {
let url = caps["url"].to_string();
if is_inside_code_block(&caps, text) {
continue;
};
if !links.contains(&url) {
links.push(url);
};
@ -48,7 +60,7 @@ pub fn replace_object_links(
let mention_re = Regex::new(OBJECT_LINK_SEARCH_RE).unwrap();
let result = mention_re.replace_all(text, |caps: &Captures| {
let url = caps["url"].to_string();
if link_map.contains_key(&url) {
if link_map.contains_key(&url) && !is_inside_code_block(caps, text) {
return format!(r#"<a href="{0}">{0}</a>"#, url);
};
// Leave unchanged if post does not exist