Add dep

vendor/maunium.net/go/gomatrix/format/markdown.go

@@ -0,0 +1,37 @@
+package format
+
+import (
+	"gopkg.in/russross/blackfriday.v2"
+	"strings"
+	"maunium.net/go/gomatrix"
+)
+
+func RenderMarkdown(text string) gomatrix.Content {
+	parser := blackfriday.New(
+		blackfriday.WithExtensions(blackfriday.NoIntraEmphasis |
+			blackfriday.Tables |
+			blackfriday.FencedCode |
+			blackfriday.Strikethrough |
+			blackfriday.SpaceHeadings |
+			blackfriday.DefinitionLists))
+	ast := parser.Parse([]byte(text))
+
+	renderer := blackfriday.NewHTMLRenderer(blackfriday.HTMLRendererParameters{
+		Flags: blackfriday.UseXHTML,
+	})
+
+	var buf strings.Builder
+	renderer.RenderHeader(&buf, ast)
+	ast.Walk(func(node *blackfriday.Node, entering bool) blackfriday.WalkStatus {
+		return renderer.RenderNode(&buf, node, entering)
+	})
+	renderer.RenderFooter(&buf, ast)
+	htmlBody := buf.String()
+
+	return gomatrix.Content{
+		FormattedBody: htmlBody,
+		Format:        gomatrix.FormatHTML,
+		MsgType:       gomatrix.MsgText,
+		Body:          HTMLToText(htmlBody),
+	}
+}