lib/ruby_ext/string.rb in ruby-ext-0.2.16 vs lib/ruby_ext/string.rb in ruby-ext-0.4.0

@@ -1,26 +1,36 @@
 String.class_eval do
-	def to_reader
-		self.to_sym
-	end
-	
-	def to_writer
-		"#{self}=".to_sym
-	end
-	
-	def to_iv
-		"@#{self}"
-	end
-	
+  def to_reader
+    self.to_sym
+  end
+  
+  def to_writer
+    "#{self}=".to_sym
+  end
+  
+  def to_iv
+    "@#{self}"
+  end
+  
   def interpolate binding
-    binding.should! :be_a, Binding
+    binding.must_be.a Binding
     return gsub(/\#\{.+?\}/) do |term|
       identifier = term.slice(2 .. term.size-2)
       binding.eval identifier
     end
   end
   
   def self.secure_token
     original = [Time.now, (1..10).map{ rand.to_s }]
     Digest::SHA1.hexdigest(original.flatten.join('--'))
+  end
+  
+  def underscore
+    word = self.dup
+    word.gsub!(/::/, '/')
+    word.gsub!(/([A-Z]+)([A-Z][a-z])/,'\1_\2')
+    word.gsub!(/([a-z\d])([A-Z])/,'\1_\2')
+    word.tr!("-", "_")
+    word.downcase!
+    word
   end
 end
\ No newline at end of file