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add macro for defining custom JTwig functions

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Gered 2014-03-01 16:12:14 -05:00
parent ad57995af2
commit 8baf4e6045
1 changed files with 11 additions and 0 deletions
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11
src/clj_jtwig/core.clj
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@ -18,6 +18,17 @@
(catch FunctionNotFoundException ex (catch FunctionNotFoundException ex
false))) false)))
(defmacro deftwigfn [fn-name args & body]
`(do
(if (twig-fn-exists? ~fn-name)
(throw (new Exception (str "JTwig template function \"" ~fn-name "\" already defined.")))
(let [func# (fn ~args ~@body)
handler# (reify JtwigFunction
(execute [_ arguments#]
#_(func# (vec (aclone arguments#)))
(apply func# (vec (aclone arguments#)))))]
(.add @functions handler# ~fn-name (make-array String 0))))))
(defn- get-resource-path [filename] (defn- get-resource-path [filename]
(-> (Thread/currentThread) (-> (Thread/currentThread)
(.getContextClassLoader) (.getContextClassLoader)