ruby/lib/webrick/httpversion.rb

50 строки
1.1 KiB
Ruby

#
# HTTPVersion.rb -- presentation of HTTP version
#
# Author: IPR -- Internet Programming with Ruby -- writers
# Copyright (c) 2002 Internet Programming with Ruby writers. All rights
# reserved.
#
# $IPR: httpversion.rb,v 1.5 2002/09/21 12:23:37 gotoyuzo Exp $
module WEBrick
class HTTPVersion
include Comparable
attr_accessor :major, :minor
def self.convert(version)
version.is_a?(self) ? version : new(version)
end
def initialize(version)
case version
when HTTPVersion
@major, @minor = version.major, version.minor
when String
if /^(\d+)\.(\d+)$/ =~ version
@major, @minor = $1.to_i, $2.to_i
end
end
if @major.nil? || @minor.nil?
raise ArgumentError,
format("cannot convert %s into %s", version.class, self.class)
end
end
def <=>(other)
unless other.is_a?(self.class)
other = self.class.new(other)
end
if (ret = @major <=> other.major) == 0
return @minor <=> other.minor
end
return ret
end
def to_s
format("%d.%d", @major, @minor)
end
end
end