closest i can get with stupid regex, currently not working since the regex is eating a character after a match, also its not a proprer parsing so any dollar inside a formula will probably break the whole thing
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parent
2cb1e664fe
commit
ecbbe85844
5 changed files with 43 additions and 14 deletions
1
Cargo.lock
generated
1
Cargo.lock
generated
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@ -927,6 +927,7 @@ dependencies = [
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"minify-html",
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"minify-js 0.5.6",
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"ramhorns",
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"regex",
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"reqwest",
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"rss",
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"serde",
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@ -27,3 +27,4 @@ chrono = { version = "0.4.30", default-features = false, features = ["clock"]}
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chrono-tz = "0.8"
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rss = { version = "2.0", features = ["atom"] }
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lol_html = "1.2"
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regex = "1.10"
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@ -3,6 +3,7 @@ use comrak::nodes::{AstNode, NodeValue};
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use comrak::{format_html, parse_document, Arena, ComrakOptions, ListStyleType};
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use lol_html::{element, rewrite_str, RewriteStrSettings};
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use ramhorns::Content;
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use regex::{Captures, Regex};
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use serde::{Deserialize, Deserializer};
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use std::fs;
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@ -170,12 +171,35 @@ fn custom_img_size(html: String) -> String {
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.unwrap()
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}
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fn math_processing(regex: &str, source: &str) -> String {
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Regex::new(regex)
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.unwrap()
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.replace_all(source, |captures: &Captures| {
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captures
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.iter()
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.skip(1)
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.filter_map(|capture| {
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capture.map(|m| format!("<span data-katex=\"{}\"></span>", m.as_str()))
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})
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.collect::<Vec<String>>()
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.join("")
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})
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.to_string()
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}
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/// Transform markdown string to File structure
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fn read(raw_text: &str, metadata_type: TypeFileMetadata) -> File {
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let arena = Arena::new();
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// Transform LaTeX formulas
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let text = math_processing(
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r"(?U)(\$[^\$|\n]+\$)[^\$]",
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&math_processing(r"(?U)(\$\$[^\$|\n]+\$\$)", raw_text),
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);
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println!("{}", text);
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let options = get_options();
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let root = parse_document(&arena, raw_text, &options);
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let root = parse_document(&arena, &text, &options);
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// Find metadata
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let metadata = get_metadata(root, metadata_type);
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@ -188,6 +212,7 @@ fn read(raw_text: &str, metadata_type: TypeFileMetadata) -> File {
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format_html(root, &options, &mut html).unwrap();
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let mut html_content = String::from_utf8(html).unwrap();
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/* println!("{}", html_content); */
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html_content = custom_img_size(html_content);
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@ -16,12 +16,20 @@ window.addEventListener("load", () => {
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macros[`\\${item[0]}`] = `\\${item[1]}`;
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}
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renderMathInElement(document.body, {
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delimiters: [
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{ left: "$$", right: "$$", display: true },
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{ left: "$", right: "$", display: false },
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],
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document.querySelectorAll("span[data-katex]").forEach((element) => {
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const rawLaTeXFormula = element.getAttribute("data-katex");
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const displayMode = rawLaTeXFormula.startsWith("$$");
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const strip = displayMode ? 2 : 1;
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katex.render(
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rawLaTeXFormula.slice(strip, rawLaTeXFormula.length - strip),
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element,
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{
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throwOnError: false,
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macros,
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displayMode,
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output: "mathml",
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}
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);
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});
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});
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@ -4,10 +4,4 @@
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integrity="sha384-j/ZricySXBnNMJy9meJCtyXTKMhIJ42heyr7oAdxTDBy/CYA9hzpMo+YTNV5C+1X"
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crossorigin="anonymous"
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></script>
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<script
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defer
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src="//cdn.jsdelivr.net/npm/katex@0.16.6/dist/contrib/auto-render.min.js"
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integrity="sha384-+VBxd3r6XgURycqtZ117nYw44OOcIax56Z4dCRWbxyPt0Koah1uHoK0o4+/RRE05"
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crossorigin="anonymous"
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></script>
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<script src="/js/libs/katex.js"></script>
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