Method handleObject

src/parse/qpdf/stream_decoder.h:97–177

  */

  void qpdf_stream_decoder::handleObject(QPDFObjectHandle obj, size_t offset, size_t len)
  {
    //LOG_S(INFO) << __FUNCTION__ << "\t offset: " << offset << ", len: " << len;

    qpdf_stream_instruction row;
    {
      row.key = obj.getTypeName();
      row.val = obj.unparse();
      row.obj = obj;

      // LOG_S(INFO) << std::setw(12) << row.key << " | " << row.val;
    }

    /*
    if(row.is_null() or row.is_array() or row.is_dict())
      {
	LOG_S(WARNING) << "null: " << row.is_null() << ", array: " << row.is_array() << ", dict: " << row.is_dict();
      }
    */

    // if the row is null, reinterprete it as an empty array. We encountered
    // this usecase for a parameter of the d operator (see Table 56) that is
    // null but in reality should be an empty array.
    if(row.is_null())
      {
	row.key = "parameter";
	row.val = "[]";
      }
    // All three regex patterns match malformed numbers containing '-' at
    // position > 0 (e.g. "1.23-45", "--123.4").  Skip the expensive regex
    // calls for the vast majority of tokens that don't have this.
    else if (row.val.find('-', 1) != std::string::npos)
      {
	std::smatch match;

	if (std::regex_match(row.val, match, value_pattern_0))
	  {
	    std::string mvalue = match[1].str();
	    LOG_S(WARNING) << "match-1: " << std::setw(12) << row.key << " | " << row.val << " => new matched value: " << mvalue;

	    double value = utils::numeric::locale_safe_stod(mvalue);

	    // Creating a real (floating-point) QPDFObjectHandle
	    QPDFObjectHandle new_obj = QPDFObjectHandle::newReal(value);

	    row.key = new_obj.getTypeName();
	    row.val = new_obj.unparse();
	    row.obj = new_obj;
	  }
	else if (std::regex_match(row.val, match, value_pattern_1))
	  {
	    std::string mvalue = match[1].str() + match[4].str();
	    LOG_S(WARNING) << "match-2: " << std::setw(12) << row.key << " | " << row.val << " => new matched value: " << mvalue;

	    double value = utils::numeric::locale_safe_stod(mvalue);

	    // Creating a real (floating-point) QPDFObjectHandle
	    QPDFObjectHandle new_obj = QPDFObjectHandle::newReal(value);