feat: change main program to not use Pandoc

Sponsored-by: author

1 files changed, 3 insertions, 21 deletions

diff --git a/src/bin/subplot.rs b/src/bin/subplot.rs
index 7998416..41d8894 100644
--- a/src/bin/subplot.rs
+++ b/src/bin/subplot.rs
@@ -221,7 +221,7 @@ impl Metadata {
 #[derive(Debug, Parser)]
 /// Typeset subplot document
 ///
-/// Process a subplot document and typeset it using Pandoc.
+/// Process a subplot document and typeset it.
 struct Docgen {
     /// Allow warnings in document?
     #[clap(long)]
@@ -254,7 +254,6 @@ impl Docgen {
         let style = Style::default();
         let mut doc = load_linted_doc(&self.input, style, self.template.as_deref(), self.merciful)?;
 
-        let mut pandoc = pandoc::new();
         // Metadata date from command line or file mtime. However, we
         // can't set it directly, since we don't want to override the date
         // in the actual document, if given, so we only set
@@ -268,28 +267,11 @@ impl Docgen {
             let filename = doc.meta().basedir().join(doc.meta().markdown_filename());
             Self::mtime_formatted(Self::mtime(&filename)?)
         };
-        pandoc.add_option(pandoc::PandocOption::Meta("date".to_string(), Some(date)));
-        pandoc.add_option(pandoc::PandocOption::TableOfContents);
-        pandoc.add_option(pandoc::PandocOption::Standalone);
-        pandoc.add_option(pandoc::PandocOption::NumberSections);
 
         if Self::need_output(&mut doc, self.template.as_deref(), &self.output) {
             doc.typeset(&mut Warnings::default());
-            pandoc.set_input_format(pandoc::InputFormat::Json, vec![]);
-            pandoc.set_input(pandoc::InputKind::Pipe(doc.ast()?));
-            pandoc.set_output(pandoc::OutputKind::File(self.output.clone()));
-
-            debug!("Executing pandoc to produce {}", self.output.display());
-            let r = pandoc.execute();
-            if let Err(pandoc::PandocError::Err(output)) = r {
-                let code = output.status.code().unwrap_or(127);
-                let stderr = String::from_utf8_lossy(&output.stderr);
-                error!("Failed to execute Pandoc: exit code {}", code);
-                error!("{}", stderr.strip_suffix('\n').unwrap());
-
-                return Err(anyhow::Error::msg("Pandoc failed"));
-            }
-            r?;
+            std::fs::write(&self.output, doc.to_html(&date))
+                .map_err(|e| SubplotError::WriteFile(self.output.clone(), e))?;
         }
 
         Ok(())