alias.rb in sugar-high-0.1.2

- old
+ new

@@ -7,20 +7,39 @@
   # 
   # create_xxx becomes new_xxx
   # insert_into_xxx becomes inject_into_xxx and update_xxx
   # read_xxx becomes xxx_content (overriding default :after action to insert at the X)
   
-  def multi_alias name, options={}
-    config_options = options[:options]
+  def multi_alias *args
+    name = case args.first
+    when Symbol, String            
+      args.first.to_s
+    when Hash    
+      # default is :after
+      args.first[:_before_] ? :before : :after
+    end
+    
+    if name.kind_of? Symbol
+      config_options = name
+      options = args.first
+      name = options[:"_#{name}_"]
+    else
+      options = args[1]
+    end          
+    
+    raise ArgumentError, "Name of method pattern to alias not specified. Please pass name as either first argument or as :before or :after option" if !name
+
+    options.delete(:_after_)
+    options.delete(:_before_)
+    
     options.each_pair do |original, aliases|
-      next if original == :options 
-      alias_methods name, original, [aliases].flatten, config_options
+      alias_methods name.to_sym, original, [aliases].flatten, config_options
     end            
   end
 
   def alias_methods name, original, aliases, config_options
-    aliases.each do |alias_name| 
+    aliases.each do |alias_name|                       
       new_alias     = make_name(name, alias_name.to_s, config_options)
       original_name = make_name(name, original.to_s, config_options)
       begin 
         alias_method new_alias, original_name
       rescue
@@ -30,14 +49,14 @@
   end
 
   protected
 
   def make_name name, alias_name, config_options
-    return alias_name.gsub(/X/, name.to_s) if alias_name =~ /X/
+    return alias_name.gsub(/X/, name.to_s) if alias_name =~ /X/    
     case config_options
-    when :after
-      "#{alias_name}_#{name}"
     when :before
       "#{name}_#{alias_name}"
+    else # default
+      "#{alias_name}_#{name}"
     end
   end
 end
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