lib/Node.rb in re_expand-0.0.1 vs lib/Node.rb in re_expand-0.0.2

@@ -6,58 +6,60 @@
 #    ■ ----------> □
 #       ----------> □
 #       ----------> □
 #
 
-class Trans
-  def initialize(pat,dest)
-    # pat にマッチしたら dest に遷移
-    @pat = pat
-    @dest = dest
-  end
-
-  attr_reader :pat, :dest
-
-  def str
-    @pat.split(/\t/)[0].to_s
-  end
-
-  def arg
-    if @pat =~ /^(.*)\t(.*)$/ then
-      return $2
-    else
-      return @pat
+module ReExpand
+  class Trans
+    def initialize(pat,dest)
+      # pat にマッチしたら dest に遷移
+      @pat = pat
+      @dest = dest
     end
+    
+    attr_reader :pat, :dest
+    
+    def str
+      @pat.split(/\t/)[0].to_s
+    end
+    
+    def arg
+      if @pat =~ /^(.*)\t(.*)$/ then
+        return $2
+      else
+        return @pat
+      end
+    end
   end
-end
-
-class Node
-  @@id = 1
-  @@nodes = {}
-
-  def initialize
-    @accept = nil
-    @trans = []
-    @id = @@id
-    @@nodes[@id] = self
-    @@id += 1
-    @pars = []
-  end
-
-  attr_reader :id
-  attr_reader :trans
-  attr :accept, true
-  attr :pars, true
-
-  def addTrans(pat,dest)
-    t = Trans.new(pat,dest)
-    @trans << t
-  end
-
-  def Node.node(id) # ノードidからノードを取得
-    @@nodes[id.to_i]
-  end
-
-  def Node.nodes
-    @@nodes.values
+  
+  class Node
+    @@id = 1
+    @@nodes = {}
+    
+    def initialize
+      @accept = nil
+      @trans = []
+      @id = @@id
+      @@nodes[@id] = self
+      @@id += 1
+      @pars = []
+    end
+    
+    attr_reader :id
+    attr_reader :trans
+    attr :accept, true
+    attr :pars, true
+    
+    def addTrans(pat,dest)
+      t = Trans.new(pat,dest)
+      @trans << t
+    end
+    
+    def Node.node(id) # ノードidからノードを取得
+      @@nodes[id.to_i]
+    end
+    
+    def Node.nodes
+      @@nodes.values
+    end
   end
 end