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authormatz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>1998-01-16 12:19:09 +0000
committermatz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>1998-01-16 12:19:09 +0000
commit62e41d3f2e48422bbdf1bb2db83ae60b255b1a1a (patch)
tree4d0edb1c1986e1578b181ebe2441acfee27f1fab /lib/ostruct.rb
parent3db12e8b236ac8f88db8eb4690d10e4a3b8dbcd4 (diff)
Initial revision
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@8 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'lib/ostruct.rb')
-rw-r--r--lib/ostruct.rb55
1 files changed, 55 insertions, 0 deletions
diff --git a/lib/ostruct.rb b/lib/ostruct.rb
new file mode 100644
index 0000000..f083677
--- /dev/null
+++ b/lib/ostruct.rb
@@ -0,0 +1,55 @@
+# 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
+ 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] = args[0]
+ elsif args.length == 0
+ @table[mname]
+ else
+ raise NameError, "undefined method `#{mname}'", caller(1)
+ end
+ end
+
+ def delete_field(name)
+ if name.type == Fixnum
+ name = name.id2name
+ end
+ @table.delete name
+ end
+
+ def inspect
+ str = "<#{self.type}"
+ for k,v in @table
+ str += " "
+ str += k
+ str += "="
+ str += v.inspect
+ end
+ str += ">"
+ str
+ end
+end