* lib/webrick/config.rb (WEBrick::Config::General): add default values:

- WEBrick::Config[:DoNotReverseLookup]
  - WEBrick::Config[:RequestCallback] (it used as an alias of
    :RequestHandler in WEBrick::HTTPServer#run)
  - WEBrick::Config::FileHandler[:AcceptableLanguages]

* lib/webrick/httpservlet/filehandler.rb
  (WEBrick::HTTPServlet::FileHandler#set_filename): search files
  having suffix of language-name which Accept-Language header field
  includes if :AcceptableLanguages options is present.

* lib/webrick/httpservlet/filehandler.rb
  (WEBrick::HTTPServlet::FileHandler#get_servlet): new method to
  search servlet correspond to the suffix of filename.

* lib/webrick/httprequest.rb: add attributes access methods: accept,
  accept_charset, accept_encoding, accept_language, content_length
  and content_type.

* lib/webrick/httpresponse.rb: add attribute access methods:
  content_length, content_length=, content_type and content_type=.

* lib/webrick/httputils.rb (WEBrick::HTTPUtils.mime_types):
  use the second suffix to detect media type. (the first suffix
  may be a language name.)

* lib/webrick/httputils.rb (WEBrick::HTTPUtils.parse_qvalues):
  add method to parse Accept header field. it returns an Array of
  values sorted by the qvalues.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@7056 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

lib/webrick/httprequest.rb

@@ -32,6 +32,8 @@ module WEBrick
 
     # Header and entity body
     attr_reader :raw_header, :header, :cookies
+    attr_reader :accept, :accept_charset
+    attr_reader :accept_encoding, :accept_language
 
     # Misc
     attr_accessor :user
@@ -56,6 +58,10 @@ module WEBrick
       @raw_header = Array.new
       @header = nil
       @cookies = []
+      @accept = []
+      @accept_charset = []
+      @accept_encoding = []
+      @accept_language = []
       @body = ""
 
       @addr = @peeraddr = nil
@@ -83,6 +89,10 @@ module WEBrick
         @header['cookie'].each{|cookie|
           @cookies += Cookie::parse(cookie)
         }
+        @accept = HTTPUtils.parse_qvalues(self['accept'])
+        @accept_charset = HTTPUtils.parse_qvalues(self['accept-charset'])
+        @accept_encoding = HTTPUtils.parse_qvalues(self['accept-encoding'])
+        @accept_language = HTTPUtils.parse_qvalues(self['accept-language'])
       end
       return if @request_method == "CONNECT"
       return if @unparsed_uri == "*"
@@ -124,6 +134,14 @@ module WEBrick
       @query
     end
 
+    def content_length
+      return Integer(self['content-length'])
+    end
+
+    def content_type
+      return self['content-type']
+    end
+
     def [](header_name)
       if @header
         value = @header[header_name.downcase]