diff options
Diffstat (limited to 'lib/ostruct.rb')
-rw-r--r-- | lib/ostruct.rb | 25 |
1 files changed, 15 insertions, 10 deletions
diff --git a/lib/ostruct.rb b/lib/ostruct.rb index ba7f061a22..45ebb8083e 100644 --- a/lib/ostruct.rb +++ b/lib/ostruct.rb @@ -67,28 +67,33 @@ class OpenStruct @table.each_key{|key| new_ostruct_member(key)} end + def modifiable + if self.frozen? + raise TypeError, "can't modify frozen #{self.class}", caller(2) + end + @table + end + protected :modifiable + def new_ostruct_member(name) name = name.to_sym unless self.respond_to?(name) - meta = class << self; self; end - meta.send(:define_method, name) { @table[name] } - meta.send(:define_method, :"#{name}=") { |x| @table[name] = x } + class << self; self; end.class_eval do + define_method(name) { @table[name] } + define_method("#{name}=") { |x| modifiable[name] = x } + end end + name end def method_missing(mid, *args) # :nodoc: mname = mid.id2name len = args.length - if mname =~ /=$/ + if mname.chomp!('=') if len != 1 raise ArgumentError, "wrong number of arguments (#{len} for 1)", caller(1) end - if self.frozen? - raise TypeError, "can't modify frozen #{self.class}", caller(1) - end - mname.chop! - self.new_ostruct_member(mname) - @table[mname.intern] = args[0] + modifiable[new_ostruct_member(mname)] = args[0] elsif len == 0 @table[mid] else |