readGeometryTaggedTextWithOpts method

Geometry readGeometryTaggedTextWithOpts(WKTTokenizer tokenizer, String type, List<Ordinate> ordinateFlags)

Implementation

Geometry readGeometryTaggedTextWithOpts(
    WKTTokenizer tokenizer, String type, List<Ordinate> ordinateFlags) {
  if (ordinateFlags.length == 2) {
    ordinateFlags = getNextOrdinateFlags(tokenizer);
  }

  // if we can create a sequence with the required dimension everything is ok, otherwise
  // we need to take a different coordinate sequence factory.
  // It would be good to not have to try/catch this but if the CoordinateSequenceFactory
  // exposed a value indicating which min/max dimension it can handle or even an
  // ordinate bit-flag.
  try {
    csFactory.createSizeDimMeas(0, toDimension(ordinateFlags),
        ordinateFlags.contains(Ordinate.M) ? 1 : 0);
  } catch (e) {
    geometryFactory = GeometryFactory(geometryFactory.getPrecisionModel(),
        geometryFactory.getSRID(), csFactoryXYZM);
  }

  if (type.startsWith("POINT")) {
    return readPointText(tokenizer, ordinateFlags);
  } else if (type.startsWith("LINESTRING")) {
    return readLineStringText(tokenizer, ordinateFlags);
  } else if (type.startsWith("LINEARRING")) {
    return readLinearRingText(tokenizer, ordinateFlags);
  } else if (type.startsWith("POLYGON")) {
    return readPolygonText(tokenizer, ordinateFlags);
  } else if (type.startsWith("MULTIPOINT")) {
    return readMultiPointText(tokenizer, ordinateFlags);
  } else if (type.startsWith("MULTILINESTRING")) {
    return readMultiLineStringText(tokenizer, ordinateFlags);
  } else if (type.startsWith("MULTIPOLYGON")) {
    return readMultiPolygonText(tokenizer, ordinateFlags);
  } else if (type.startsWith("GEOMETRYCOLLECTION")) {
    return readGeometryCollectionText(tokenizer, ordinateFlags);
  }
  var currentToken = tokenizer.currentToken();
  throw ArgumentError(
      "Unknown geometry type: ${currentToken.type}  -> ${currentToken.value}");
}