add markup ns to abstract markdown vs asciidoc

src/cryogen_core/markup.clj

@@ -0,0 +1,37 @@
+(ns cryogen-core.markup
+  (:require [markdown.core :refer [md-to-html-string]]
+            [clojure.string :as s])
+  (:import org.asciidoctor.Asciidoctor$Factory
+           java.util.Collections))
+
+(defprotocol Markup
+  (dir [this])
+  (ext [this])
+  (render-fn [this]))
+
+(defn- markdown []
+  (reify Markup
+    (dir [this] "md")
+    (ext [this] ".md")
+    (render-fn [this]
+      (fn [rdr]
+        (md-to-html-string
+         (->> (java.io.BufferedReader. rdr)
+              (line-seq)
+              (s/join "\n"))
+         :heading-anchors true)))))
+
+(defn- asciidoc []
+  (reify Markup
+    (dir [this] "asc")
+    (ext [this] ".asc")
+    (render-fn [this]
+      (fn [rdr]
+        (.convert (Asciidoctor$Factory/create)
+         (->> (java.io.BufferedReader. rdr)
+              (line-seq)
+              (s/join "\n"))
+         (Collections/emptyMap))))))
+
+(defn markups []
+  [(markdown) (asciidoc)])