Method SetWkt

src/wktparser.cpp:53–166

}

void WktParser::SetWkt(const std::string wktin) {
  wktraw = wktin;
  std::string work = wktin;
  std::string token = "";
  std::vector<std::string> vkey;
  std::vector<std::string> vval;
  bool inStr = false;
  bool inEscape = false;

  // add key to key vector
  auto vkeyAdd = [&]() {
    token = BOOST_PRE trim(token);
    if (!token.empty()) {
      vkey.push_back(token);
      token = "";
    }
  };

  // add value to value vector
  auto vvalAdd = [&]() {
    if (!token.empty()) {
      vval.push_back(token);
      token = "";
    }
  };

  // parse wkt
  for (char& c : work) {
    if (inStr) {
      // get string till trailing "
      if (c == '\\') {
        inEscape = true;
      } else if (inEscape || c != '"') {
        inEscape = false;
        token += c;
      } else {
        // string close
        inEscape = false;
        inStr = false;
      }
    } else if (c == '[') {
      // finalize last values and start a new key-value pair
      if (!vkey.empty() && !vval.empty()) {
        map.insert(std::pair<std::string, std::string>(VectorDelimited(vkey, "."), VectorDelimited(vval, "|")));
        vval.clear();
      }
      // extend or start new key
      BOOST_PRE to_lower(token);
      // - detect wkt version
      if (isWktUnknown) {
        isWktUnknown = false;
        if (StringInVector(token, Wkt1Tkn, false)) {
          isWkt1 = true;
        }
        if (StringInVector(token, Wkt2Tkn, false)) {
          if (isWkt1) {
            // warn: invalid
            LASMessage(LAS_WARNING, "WKT2/WKT1 mismatch");