From 44e9d2b79f307d9b741a606d5acd2fe6166efa5f Mon Sep 17 00:00:00 2001
From: Philipp A
Date: Sun, 1 Nov 2020 16:46:16 +0100
Subject: Implement literal blocks (#28)

---
 renderer/src/html.rs | 23 ++++++++++++++++++++++-
 1 file changed, 22 insertions(+), 1 deletion(-)

(limited to 'renderer/src/html.rs')

diff --git a/renderer/src/html.rs b/renderer/src/html.rs
index bb7c42e..4244349 100644
--- a/renderer/src/html.rs
+++ b/renderer/src/html.rs
@@ -172,7 +172,7 @@ impl HTMLRender for e::Topic {
 }
 
 impl_html_render_cat!(BodyElement { Paragraph, LiteralBlock, DoctestBlock, MathBlock, Rubric, SubstitutionDefinition, Comment, Pending, Target, Raw, Image, Compound, Container, BulletList, EnumeratedList, DefinitionList, FieldList, OptionList, LineBlock, BlockQuote, Admonition, Attention, Hint, Note, Caution, Danger, Error, Important, Tip, Warning, Footnote, Citation, SystemMessage, Figure, Table });
-impl_html_render_simple!(Paragraph => p, LiteralBlock => pre, MathBlock => math, Rubric => a, Compound => p, Container => div, BulletList => ul["\n"], EnumeratedList => ol["\n"], DefinitionList => dl["\n"], FieldList => dl["\n"], OptionList => pre, LineBlock => div["\n"], BlockQuote => blockquote, Admonition => aside, Attention => aside, Hint => aside, Note => aside, Caution => aside, Danger => aside, Error => aside, Important => aside, Tip => aside, Warning => aside, Figure => figure);
+impl_html_render_simple!(Paragraph => p, MathBlock => math, Rubric => a, Compound => p, Container => div, BulletList => ul["\n"], EnumeratedList => ol["\n"], DefinitionList => dl["\n"], FieldList => dl["\n"], OptionList => pre, LineBlock => div["\n"], BlockQuote => blockquote, Admonition => aside, Attention => aside, Hint => aside, Note => aside, Caution => aside, Danger => aside, Error => aside, Important => aside, Tip => aside, Warning => aside, Figure => figure);
 impl_html_render_simple_nochildren!(Table => table);  //TODO: after implementing the table, move it to elems with children
 
 // circumvent E0119
@@ -199,6 +199,27 @@ impl<I> HTMLRender for I where I: e::Element + a::ExtraAttributes<a::Image> + IM
 	}
 }
 
+impl HTMLRender for e::LiteralBlock {
+	fn render_html<W>(&self, renderer: &mut HTMLRenderer<W>) -> Result<(), Error> where W: Write {
+		let mut cls_iter = self.classes().iter();
+		let is_code = cls_iter.next() == Some(&"code".to_owned());
+		write!(renderer.stream, "<pre>")?;
+		if is_code {  // TODO: support those classes not being at the start
+			if let Some(lang) = cls_iter.next() {
+				write!(renderer.stream, "<code class=\"language-{}\">", lang)?;
+			} else {
+				write!(renderer.stream, "<code>")?;
+			}
+		}
+		for c in self.children() {
+			(*c).render_html(renderer)?;
+		}
+		if is_code { write!(renderer.stream, "</code>")?; }
+		write!(renderer.stream, "</pre>")?;
+		Ok(())
+	}
+}
+
 impl HTMLRender for e::DoctestBlock {
 	fn render_html<W>(&self, _renderer: &mut HTMLRenderer<W>) -> Result<(), Error> where W: Write {
 		// TODO
-- 
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