Add symbol factories for punctuation, space, defaults symbols.

src/cipher_analytical_machine/symbol_factories.clj

@@ -1,4 +1,4 @@
-(ns cipher-analytical-machine.symbol_factories
+(ns cipher-analytical-machine.symbol-factories
   (:require [clojure.string :as cs])
   (:gen-class))
 
@@ -32,3 +32,32 @@
   []
   "0123456789")
 
+(defn punctuation-symbol-factory
+  "Return punctuation symbols"
+  []
+  ".,:;-!?")
+
+(defn space-symbol-factory
+  "Return punctuation symbols"
+  []
+  " \t\n")
+
+(defn default-symbol-factory
+  "Return a default string of symbols for a language"
+  [language-code]
+  (cond
+    (= language-code "en")
+    (str (english-alphabet-factory)
+         (punctuation-symbol-factory)
+         (digit-set-factory)
+         \ )
+
+    (= language-code "uk")
+    (str (ukrainian-alphabet-factory)
+         (punctuation-symbol-factory)
+         (digit-set-factory)
+         \ )
+
+    :else
+    (default-symbol-factory "en")))
+