glyphnames (PDF::Reader::Font)

    # File lib/pdf/reader/font.rb, line 34
        def self.glyphnames
          @@glyphs ||= {}

          if @@glyphs.empty?
            RUBY_VERSION >= "1.9" ? mode = "r:BINARY" : mode = "r"
            File.open(File.dirname(__FILE__) + "/glyphlist.txt",mode) do |f|
              f.each do |l|
                m, name, code = *l.match(/([0-9A-Za-z]+);([0-9A-F]{4})/)
                @@glyphs[name.to_sym] = "0x#{code}".hex if name
              end
            end
          end

          @@glyphs
        end