magic_helpers.rb in plezi-0.10.12

- old
+ new

@@ -8,9 +8,28 @@
 		module Helpers
 			# a proc that allows Hashes to search for key-value pairs while also converting keys from objects to symbols and from symbols to strings.
 			#
 			# (key type agnostic search Hash proc)
 			 HASH_SYM_PROC = Proc.new {|h,k| k = (Symbol === k ? k.to_s : k.to_s.to_sym); h[k] if h.has_key?(k) }
+
+			# tweeks a hash object to read both :symbols and strings (similar to Rails but without).
+			def make_hash_accept_symbols hash
+				@magic_hash_proc ||= Proc.new do |hs,k|
+					if k.is_a?(Symbol) && hs.has_key?( k.to_s)
+						hs[k.to_s]
+					elsif k.is_a?(String) && hs.has_key?( k.to_sym)
+						hs[k.to_sym]
+					elsif k.is_a?(Numeric) && hs.has_key?(k.to_s.to_sym)
+						hs[k.to_s.to_sym]
+					end
+				end
+				hash.default_proc = @magic_hash_proc
+				hash.values.each do |v|
+					if v.is_a?(Hash)
+						make_hash_accept_symbols v
+					end
+				end
+			end
 		end
 	end
 
 end