Method: PDF::Reader::Parser#hex_string

Defined in:
lib/pdf/reader/parser.rb

#hex_string ⇒ Object

Reads a PDF hex string from the buffer and converts it to a Ruby String



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# File 'lib/pdf/reader/parser.rb', line 99

def hex_string
  str = ""
  
  loop do
    token = @buffer.token
    break if token == ">"
    str << token
  end

  # add a missing digit if required, as required by the spec
  str << "0" unless str.size % 2 == 0
  str.scan(/../).map {|i| i.hex.chr}.join
end