rantvar.rb in rant-0.4.4

- old
+ new

@@ -14,11 +14,11 @@
 # thus it acts as a namespace.
 #
 # If you're looking for general info about Rant, read the
 # README[link:files/README.html].
 module Rant
-    VERSION	= '0.4.2'
+    VERSION	= '0.4.4'
 
     # Those are the filenames for rantfiles.
     # Case matters!
     RANTFILES	= [	"Rantfile",
 			"rantfile",
@@ -50,11 +50,11 @@
     def self.__rant_no_value__
 	@__rant_no_value__
     end
 
     module MetaUtils
-	# Creates two accessor methods:
+	# Creates three accessor methods:
 	#    obj.attr_name::	Return value of instance variable
 	#			@attr_name
 	#    obj.attr_name = val::	Set value instance variable
 	#				@attr_name to val
 	#    obj.attr_name val::	same as above
@@ -70,10 +70,28 @@
 		    end
 		end
 	    EOD
 	    nil
 	end
+        # Creates three accessor methods:
+        #   obj.attr_name?::    Return value, true or false
+        #   obj.attr_name::     Set attribute to true
+        #   obj.no_attr_name::  Set attribute to false
+        def rant_flag attr_name
+            attr_name = valid_attr_name attr_name
+            module_eval <<-EOD
+                def #{attr_name}?
+                    @#{attr_name}
+                end
+                def #{attr_name}
+                    @#{attr_name} = true
+                end
+                def no_#{attr_name}
+                    @#{attr_name} = false
+                end
+            EOD
+        end
 	# Creates accessor methods like #rant_attr for the attribute
 	# attr_name. Additionally, values are converted with to_str
 	# before assignment to instance variables happens.
 	def string_attr attr_name
 	    attr_name = valid_attr_name attr_name
@@ -311,9 +329,21 @@
 	    end
 
 	    def has_var?(vid)
 		!self[vid].nil?
 	    end
+
+            def _set(vid, val) #:nodoc:
+                @store[vid] = val
+            end
+
+            def _get(vid) #:nodoc:
+                @store[vid]
+            end
+
+            def _init(vid, val) #:nodoc:
+                @store[vid] ||= val
+            end
 
 	end	# class Space
 
 	module Constraint
 	    def matches? val