gistfile1.rb

obj = %{<< /Rect [ 330.521 116.285 346.958 128.321 ] /F 4 /T (Check Box1) /Subtype
/Widget /P 3 0 R /MK 139 0 R /AP 140 0 R /H /P /V / /AS /Off /FT /Btn /Type
/Annot >>}
buf = PDF::Reader::Buffer.new(StringIO.new(obj))
parser = PDF::Reader::Parser.new(buf, nil)
parser.parse_token
# => {:Rect=>[330.521, 116.285, 346.958, 128.321], :F=>4, :T=>"Check Box1", :Subtype=>:Widget, :P=>#<PDF::Reader::Reference:0x000000012afd40 @id=3, @gen=0>, :MK=>#<PDF::Reader::Reference:0x000000012ad298 @id=139, @gen=0>, :AP=>#<PDF::Reader::Reference:0x000000012accd0 @id=140, @gen=0>, :H=>:P, :V=>:"", :AS=>:Off, :FT=>:Btn, :Type=>:Annot}