Render task lists nicely

Closes GH-72

2 files changed, 9 insertions, 3 deletions

diff --git a/src/lib.rs b/src/lib.rs
index 519ccd3..7d26707 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -485,7 +485,11 @@ fn write_event<'io, 'c, 'l, W: Write>(
             }
             Ok(ctx)
         }
-        TaskListMarker(_) => panic!("mdcat does not support task lists"),
+        TaskListMarker(checked) => {
+            let marker = if checked { "\u{2611} " } else { "\u{2610} " };
+            ctx.write_highlighted(CowStr::Borrowed(marker))?;
+            Ok(ctx)
+        }
         Start(tag) => start_tag(ctx, tag),
         End(tag) => end_tag(ctx, tag),
         Html(content) => {
diff --git a/src/main.rs b/src/main.rs
index e16307e..582cf1f 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -19,7 +19,7 @@
 use mdcat;
 
 use clap::value_t;
-use pulldown_cmark::Parser;
+use pulldown_cmark::{Options, Parser};
 use std::error::Error;
 use std::fs::File;
 use std::io::prelude::*;
@@ -58,7 +58,9 @@ fn process_arguments(size: TerminalSize, args: Arguments) -> Result<(), Box<dyn
         Ok(())
     } else {
         let (base_dir, input) = read_input(&args.filename)?;
-        let parser = Parser::new(&input);
+        let mut options = Options::empty();
+        options.insert(Options::ENABLE_TASKLISTS);
+        let parser = Parser::new_ext(&input, options);
 
         if args.dump_events {
             mdcat::dump_events(&mut std::io::stdout(), parser)?;