private static string GetNextCloserOrComma(WktStreamTokenizer tokenizer)
{
tokenizer.NextToken();
string nextWord = tokenizer.GetStringValue();
if (nextWord == "," || nextWord == ")")
{
return(nextWord);
}
throw new Exception("Expected ')' or ',' but encountered '" + nextWord + "'");
}
private static string GetNextEmptyOrOpener(WktStreamTokenizer tokenizer)
{
tokenizer.NextToken();
string nextWord = tokenizer.GetStringValue();
if (nextWord == "EMPTY" || nextWord == "(")
{
return(nextWord);
}
throw new Exception("Expected 'EMPTY' or '(' but encountered '" + nextWord + "'");
}
private static GeoJSONObject ReadGeometryTaggedText(WktStreamTokenizer tokenizer)
{
tokenizer.NextToken();
var type = tokenizer.GetStringValue().ToUpper();
GeoJSONObject geometry = null;
switch (type)
{
case "POINT":
geometry = ReadPointText(tokenizer);
break;
case "LINESTRING":
geometry = ReadLineStringText(tokenizer);
break;
/*case "MULTIPOINT":
* geometry = ReadMultiPointText(tokenizer);
* break;*/
/*case "MULTILINESTRING":
* geometry = ReadMultiLineStringText(tokenizer);
* break;*/
case "POLYGON":
geometry = ReadPolygonText(tokenizer);
break;
case "MULTIPOLYGON":
geometry = ReadMultiPolygonText(tokenizer);
//geometry = ReadMultiPolygonText(tokenizer);
break;
/*case "GEOMETRYCOLLECTION":
* geometry = ReadGeometryCollectionText(tokenizer);
* break;*/
default:
throw new Exception(String.Format(new CultureInfo("en-US", false).NumberFormat, "Geometrytype '{0}' is not supported.",
type));
}
return(geometry);
}
