From b18757c14c11ebc8fa61679e0b1eba12d288d1d3 Mon Sep 17 00:00:00 2001
From: David Litvak Bruno <david.litvakb@gmail.com>
Date: Sun, 20 May 2012 01:28:08 -0300
Subject: [PATCH] extraida la clase Termino

---
 ruby/terminos.rb | 28 +++++++++++++---------------
 1 file changed, 13 insertions(+), 15 deletions(-)

diff --git a/ruby/terminos.rb b/ruby/terminos.rb
index 2912e2b..9ce1409 100644
--- a/ruby/terminos.rb
+++ b/ruby/terminos.rb
@@ -1,25 +1,23 @@
-class TerminoBooleano
-  def initialize termino
-    posibles = {"true" => true, "false" => false}
-    @termino = posibles[termino]
-  end
-
+class Termino
   def eval
     @termino
   end
 end
 
-class TerminoNumerico
+class TerminoBooleano < Termino
   def initialize termino
-    @termino = termino.to_i
+    posibles = {"true" => true, "false" => false}
+    @termino = posibles[termino]
   end
+end
 
-  def eval
-    @termino
+class TerminoNumerico < Termino
+  def initialize termino
+    @termino = termino.to_i
   end
 end
 
-class TerminoIf
+class TerminoIf < Termino
   def initialize termino_if
     @if_offset = 'if ('.size
     @then_offset = ') then ('.size
@@ -30,9 +28,9 @@ def initialize termino_if
 
     @condicion_text = termino_if.slice(@if_offset..posicion_then - 2)
     if (Programa.new @condicion_text).eval
-      @resultado = (Programa.new termino_if.slice((posicion_then + @then_offset - 1)..(posicion_else - 1))).eval
+      @termino = (Programa.new termino_if.slice((posicion_then + @then_offset - 1)..(posicion_else - 1))).eval
     else
-      @resultado = (Programa.new termino_if.slice(posicion_else + @else_offset..-2)).eval
+      @termino = (Programa.new termino_if.slice(posicion_else + @else_offset..-2)).eval
     end
   end
 
@@ -64,8 +62,8 @@ def _encontrar_else seccion
   end
 
   def eval
-    puts "#{@current_step} -> Condicion: #{(Programa.new @condicion_text).eval}"
-    @resultado
+    puts " -> Condicion: #{(Programa.new @condicion_text).eval}"
+    super
   end
 end