* lib/open-uri.rb (OpenURI::Meta#meta_setup_encoding): setup encoding

by charset.
  (OpenURI::Meta#meta_add_field): call meta_setup_encoding when
  content-type.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@15630 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,10 @@
+Thu Feb 28 18:07:52 2008  Tanaka Akira  <akr@fsij.org>
+
+	* lib/open-uri.rb (OpenURI::Meta#meta_setup_encoding): setup encoding
+	  by charset.
+	  (OpenURI::Meta#meta_add_field): call meta_setup_encoding when
+	  content-type.
+
 Thu Feb 28 15:29:12 2008  NARUSE, Yui  <naruse@ruby-lang.org>
 
 	* io.c (rb_io_getline_fast): scan coderange.

lib/open-uri.rb

@@ -412,8 +412,27 @@ module OpenURI
     # The Hash keys are downcased for canonicalization.
     attr_reader :meta
 
+    def meta_setup_encoding # :nodoc:
+      charset = self.charset
+      return unless charset
+      begin
+        enc = Encoding.find(charset)
+      rescue ArgumentError
+        return
+      end
+      if self.respond_to? :force_encoding
+        self.force_encoding(enc)
+      elsif self.respond_to? :string
+        self.string.force_encoding(enc)
+      else # Tempfile
+        self.set_encoding enc
+      end
+    end
+
     def meta_add_field(name, value) # :nodoc:
-      @meta[name.downcase] = value
+      name = name.downcase
+      @meta[name] = value
+      meta_setup_encoding if name == 'content-type'
     end
 
     # returns a Time which represents Last-Modified field.