From 0a18eae178a23e7f7bfd88c37502e5e8c1fdf64a Mon Sep 17 00:00:00 2001
From: metamuffin <metamuffin@disroot.org>
Date: Sun, 25 Sep 2022 20:42:10 +0200
Subject: (the commit before proper parsers will replace everything™™)
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---
 code/src/markdown/render.rs | 25 +++++++++++++++++++++++--
 1 file changed, 23 insertions(+), 2 deletions(-)

(limited to 'code/src/markdown/render.rs')

diff --git a/code/src/markdown/render.rs b/code/src/markdown/render.rs
index 39f204f..f6b7686 100644
--- a/code/src/markdown/render.rs
+++ b/code/src/markdown/render.rs
@@ -15,7 +15,10 @@ pub fn span_to_html(ss: Vec<Span>) -> String {
             Span::Image(_, _) => todo!(),
             Span::Emphasis(c) => format!("<i>{}</i>", span_to_html(c)),
             Span::Strong(c) => format!("<b>{}</b>", span_to_html(c)),
-            Span::Latex(_) => format!("TODO: Inline Latex"),
+            Span::Latex(s) => fix_katex(
+                &katex::render_with_opts(&s, &katex::OptsBuilder::default().build().unwrap())
+                    .unwrap(),
+            ),
         }
         .as_str()
     }
@@ -55,7 +58,16 @@ pub fn blocks_to_html(blocks: Vec<Block>) -> String {
             }
             Block::Raw(r) => r,
             Block::Hr => format!("<hr/>"),
-            Block::LatexBlock(_) => format!("TODO: Latex block"),
+            Block::LatexBlock(s) => fix_katex(
+                &katex::render_with_opts(
+                    &s,
+                    &katex::OptsBuilder::default()
+                        .display_mode(true)
+                        .build()
+                        .unwrap(),
+                )
+                .unwrap(),
+            ),
         }
         .as_str();
     }
@@ -69,3 +81,12 @@ pub fn escape(text: &str) -> String {
         .replace("'", "&#8217;")
         .replace("\"", "&quot;")
 }
+
+// TODO this is *really* bad fix
+fn fix_katex<'a>(s: &str) -> String {
+    let e = s.find("<span class=\"katex-html\"").unwrap();
+    s[0..e].replace(
+        "<mspace linebreak=\"newline\"></mspace>",
+        "</mrow></semantics></math><math xmlns=\"http://www.w3.org/1998/Math/MathML\" display=\"block\"><semantics><mrow>",
+    )
+}
-- 
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