1 files changed, 44 insertions, 0 deletions
diff --git a/markup/mmark/renderer.go b/markup/mmark/renderer.go
new file mode 100644
index 000000000..07fe71c95
--- /dev/null
+++ b/markup/mmark/renderer.go
@@ -0,0 +1,44 @@
+// Copyright 2019 The Hugo Authors. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package mmark
+
+import (
+	"bytes"
+	"strings"
+
+	"github.com/miekg/mmark"
+
+	"github.com/gohugoio/hugo/config"
+	"github.com/gohugoio/hugo/markup/internal"
+)
+
+// hugoHTMLRenderer wraps a blackfriday.Renderer, typically a blackfriday.Html
+// adding some custom behaviour.
+type mmarkRenderer struct {
+	Cfg       config.Provider
+	Config    *internal.BlackFriday
+	highlight func(code, lang, optsStr string) (string, error)
+	mmark.Renderer
+}
+
+// BlockCode renders a given text as a block of code.
+func (r *mmarkRenderer) BlockCode(out *bytes.Buffer, text []byte, lang string, caption []byte, subfigure bool, callouts bool) {
+	if r.Cfg.GetBool("pygmentsCodeFences") && (lang != "" || r.Cfg.GetBool("pygmentsCodeFencesGuessSyntax")) {
+		str := strings.Trim(string(text), "\n\r")
+		highlighted, _ := r.highlight(str, lang, "")
+		out.WriteString(highlighted)
+	} else {
+		r.Renderer.BlockCode(out, text, lang, caption, subfigure, callouts)
+	}
+}