add capitalize_all

project.clj

@@ -6,4 +6,5 @@
   :repositories [["sonatype" {:url "http://oss.sonatype.org/content/repositories/releases"
                               :snapshots false}]]
   :dependencies [[org.clojure/clojure "1.5.1"]
-                 [com.lyncode/jtwig-core "2.1.2"]])
+                 [com.lyncode/jtwig-core "2.1.2"]
+                 [org.apache.commons/commons-lang3 "3.1"]])

src/clj_jtwig/standard_functions.clj

@@ -1,6 +1,7 @@
 (ns clj-jtwig.standard-functions
   "standard function definitions. these are functions that are not yet included in JTwig's standard function
    library and are just here to fill in the gaps for now."
+  (:import (org.apache.commons.lang3.text WordUtils))
   (:use [clojure.pprint]))
 
 ; we are using a separate map to hold the standard functions instead of using deftwigfn, etc. because doing it this
@@ -23,6 +24,10 @@
             (-> sequence vals butlast)
             (butlast sequence)))}
 
+   "capitalize_all"
+   {:fn (fn [s]
+          (WordUtils/capitalize s))}
+
    "dump"
    {:fn (fn [x]
           (with-out-str

test/clj_jtwig/functions_test.clj

@@ -284,6 +284,10 @@
     (is (= (render "{{ [1, 2, 3, 4, 5]|butlast }}" nil)
            "[1, 2, 3, 4]")))
 
+  (testing "capitalize_all"
+    (is (= (render "{{ capitalize_all('hello world') }}" nil)
+           "Hello World")))
+
   (testing "dump"
     (is (= (render "{{ a|dump }}" {:a [{:foo "bar"} [1, 2, 3] "hello"]})
            "({\"foo\" \"bar\"} (1 2 3) \"hello\")\n")))