Method: Owasp::Esapi::Codec::XmlCodec#parse_number

Defined in:
lib/codec/xml_codec.rb

#parse_number(input) ⇒ Object

parse a number out of the encoded value



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# File 'lib/codec/xml_codec.rb', line 106

def parse_number(input) #:nodoc:
  result = ''
  missing_semi = true
  while input.next?
    c = input.peek
    if c =~ /\d/
      result << c
      input.next
    elsif c == ';'
      input.next
      break;
    elsif not c =~ /\d/
      return nil
    else
      break;
    end
  end

  begin
    i = result.to_i
    return i.chr(Encoding::UTF_8) if i >= START_CODE_POINT and i <= END_CODE_POINT
  rescue Exception => e
  end
  nil
end