68 lines
1.5 KiB
Ruby
68 lines
1.5 KiB
Ruby
##
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#
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# Net::DNS::RR::TXT
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#
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# $Id: TXT.rb,v 1.4 2006/07/28 07:33:36 bluemonk Exp $
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#
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##
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module Net
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module DNS
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class RR
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#------------------------------------------------------------
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# RR type TXT
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#------------------------------------------------------------
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class TXT < RR
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attr_reader :txt
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private
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def build_pack
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str = ""
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@txt.split(" ").each do |txt|
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str += [txt.length,txt].pack("C a*")
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end
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@txt_pack = str
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@rdlength = @txt_pack.size
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end
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def set_type
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@type = Net::DNS::RR::Types.new("TXT")
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end
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def get_data
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@txt_pack
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end
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def subclass_new_from_hash(args)
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if args.has_key? :txt
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@txt = args[:txt].strip
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else
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raise RRArgumentError, ":txt field is mandatory but missing"
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end
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end
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def subclass_new_from_string(str)
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@txt = str.strip
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end
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def subclass_new_from_binary(data,offset)
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off_end = offset + @rdlength
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@txt = ""
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while offset < off_end
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len = data.unpack("@#{offset} C")[0]
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offset += 1
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str = data[offset..offset+len-1]
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offset += len
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@txt << str << " "
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end
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return offset
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end
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end # class TXT
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end # class RR
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end # module DNS
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end # module Net |