require "pdf/reader"
require "pdf/inspector/text" 
require "pdf/inspector/xobject"
require "pdf/inspector/extgstate"
require "pdf/inspector/graphics"
require "pdf/inspector/page"
require "stringio"

module PDF
  class Inspector
    def self.analyze(output,*args,&block) 
      if output.is_a?(String)
        output = StringIO.new(output)
      end
      obs = self.new(*args, &block)
      PDF::Reader.open(output) do |reader|
        reader.pages.each do |page|
          page.walk(obs)
        end
      end
      obs  
    end         
    
    def self.analyze_file(filename,*args,&block)
      File.open(filename, "rb") do |io|
        analyze(io, *args,&block)
      end
    end  
    
    def self.parse(obj)
      PDF::Reader::Parser.new(
        PDF::Reader::Buffer.new(StringIO.new(obj)), nil).parse_token
    end
  end
end