added tag v1_9_0_4

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/tags/v1_9_0_4@18845 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 126 insertions, 0 deletions

diff --git a/trunk/lib/webrick/httpstatus.rb b/trunk/lib/webrick/httpstatus.rb
new file mode 100644
index 0000000000..a4b42f5a90
--- /dev/null
+++ b/trunk/lib/webrick/httpstatus.rb
@@ -0,0 +1,126 @@
+#
+# httpstatus.rb -- HTTPStatus Class
+#
+# Author: IPR -- Internet Programming with Ruby -- writers
+# Copyright (c) 2000, 2001 TAKAHASHI Masayoshi, GOTOU Yuuzou
+# Copyright (c) 2002 Internet Programming with Ruby writers. All rights
+# reserved.
+#
+# $IPR: httpstatus.rb,v 1.11 2003/03/24 20:18:55 gotoyuzo Exp $
+
+module WEBrick
+
+  module HTTPStatus
+
+    class Status      < StandardError; end
+    class Info        < Status; end
+    class Success     < Status; end
+    class Redirect    < Status; end
+    class Error       < Status; end
+    class ClientError < Error; end
+    class ServerError < Error; end
+    
+    class EOFError < StandardError; end
+
+    StatusMessage = {
+      100 => 'Continue',
+      101 => 'Switching Protocols',
+      200 => 'OK',
+      201 => 'Created',
+      202 => 'Accepted',
+      203 => 'Non-Authoritative Information',
+      204 => 'No Content',
+      205 => 'Reset Content',
+      206 => 'Partial Content',
+      300 => 'Multiple Choices',
+      301 => 'Moved Permanently',
+      302 => 'Found',
+      303 => 'See Other',
+      304 => 'Not Modified',
+      305 => 'Use Proxy',
+      307 => 'Temporary Redirect',
+      400 => 'Bad Request',
+      401 => 'Unauthorized',
+      402 => 'Payment Required',
+      403 => 'Forbidden',
+      404 => 'Not Found',
+      405 => 'Method Not Allowed',
+      406 => 'Not Acceptable',
+      407 => 'Proxy Authentication Required',
+      408 => 'Request Timeout',
+      409 => 'Conflict',
+      410 => 'Gone',
+      411 => 'Length Required',
+      412 => 'Precondition Failed',
+      413 => 'Request Entity Too Large',
+      414 => 'Request-URI Too Large',
+      415 => 'Unsupported Media Type',
+      416 => 'Request Range Not Satisfiable',
+      417 => 'Expectation Failed',
+      500 => 'Internal Server Error',
+      501 => 'Not Implemented',
+      502 => 'Bad Gateway',
+      503 => 'Service Unavailable',
+      504 => 'Gateway Timeout',
+      505 => 'HTTP Version Not Supported'
+    }
+
+    CodeToError = {}
+
+    StatusMessage.each{|code, message|
+      var_name = message.gsub(/[ \-]/,'_').upcase
+      err_name = message.gsub(/[ \-]/,'')
+
+      case code
+      when 100...200; parent = Info
+      when 200...300; parent = Success
+      when 300...400; parent = Redirect
+      when 400...500; parent = ClientError
+      when 500...600; parent = ServerError
+      end
+
+      eval %-
+        RC_#{var_name} = #{code}
+        class #{err_name} < #{parent}
+          def self.code() RC_#{var_name} end
+          def self.reason_phrase() StatusMessage[code] end
+          def code() self::class::code end 
+          def reason_phrase() self::class::reason_phrase end
+          alias to_i code
+        end
+      -
+
+      CodeToError[code] = const_get(err_name)
+    }
+
+    def reason_phrase(code)
+      StatusMessage[code.to_i]
+    end
+    def info?(code)
+      code.to_i >= 100 and code.to_i < 200
+    end
+    def success?(code)
+      code.to_i >= 200 and code.to_i < 300
+    end
+    def redirect?(code)
+      code.to_i >= 300 and code.to_i < 400
+    end
+    def error?(code)
+      code.to_i >= 400 and code.to_i < 600
+    end
+    def client_error?(code)
+      code.to_i >= 400 and code.to_i < 500
+    end
+    def server_error?(code)
+      code.to_i >= 500 and code.to_i < 600
+    end
+
+    def self.[](code)
+      CodeToError[code]
+    end
+
+    module_function :reason_phrase
+    module_function :info?, :success?, :redirect?, :error?
+    module_function :client_error?, :server_error?
+  end
+end