(ns hoge
    (require [net.cgrand.enlive-html :as en]))

(declare layout)

(def lookup {"layout" #'layout})

(defn parent-template [nodes]
  (when-let [id (-> nodes
		    (en/select [[:meta (en/attr= :name "parent")]])
		    first :attrs :content)]
    (var-get (lookup id))))

(defmacro inheriting [source args & forms]
  `(let [child# (en/html-resource ~source)
         parent# (parent-template child#)
	 source# (en/at parent#
		       [:main] (en/substitute (en/select child# [:body :> :*])))]
     (comp en/emit* (en/snippet* source# ~args ~@forms))))

(def layout (en/html-resource "layout.html"))

(def text (inheriting "text.html")
		      [body]))