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ruby--ruby/lib/ostruct.rb
nahi c0e98a1384 * observer.rb: raise NoMethodError instead of NameError. [ruby-dev:18788]
* ostruct.rb: ditto.  fix a bug in inspect which called String#+ with
  Symbol.  [ruby-dev:18788]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@3044 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2002-11-14 22:46:00 +00:00

52 lines
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Ruby

# ostruct.rb - Python Style Object
# just assign to create field
#
# s = OpenStruct.new
# s.foo = 25
# p s.foo
# s.bar = 2
# p s.bar
# p s
class OpenStruct
def initialize(hash=nil)
@table = {}
if hash
for k,v in hash
@table[k] = v.to_sym
end
end
end
def method_missing(mid, *args)
mname = mid.id2name
len = args.length
if mname =~ /=$/
if len != 1
raise ArgumentError, "wrong # of arguments (#{len} for 1)", caller(1)
end
mname.chop!
@table[mname.intern] = args[0]
elsif args.length == 0
@table[mid]
else
raise NoMethodError, "undefined method `#{mname}'", caller(1)
end
end
def delete_field(name)
@table.delete name.to_sym
end
def inspect
str = "<#{self.class}"
for k,v in @table
str += " "
str += k.to_s
str += "="
str += v.inspect
end
str += ">"
str
end
end