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#
# 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
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