Method: HexaPDF::Serializer#serialize_string

Defined in:
lib/hexapdf/serializer.rb

#serialize_string(obj) ⇒ Object

Serializes a String object.

See: PDF2.0 s7.3.4



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# File 'lib/hexapdf/serializer.rb', line 278

def serialize_string(obj)
  if obj.encoding != Encoding::BINARY && obj.match?(/[^ -~\t\r\n]/)
    utf16_encoded = true
    obj = "\xFE\xFF".b << obj.encode(Encoding::UTF_16BE).force_encoding(Encoding::BINARY)
  end
  obj = if @encrypter && @object.kind_of?(HexaPDF::Object) && @object.indirect?
          encrypter.encrypt_string(obj, @object)
        elsif utf16_encoded
          obj
        else
          obj.b
        end
  obj.gsub!(/[()\\\r]/n, STRING_ESCAPE_MAP)
  "(#{obj})"
end