private Dimensions ParseDimensions(WktTokenQueue tokens)
{
var result = Dimensions.XY;
var token = tokens.Peek();
if (token.Type == WktTokenType.String)
{
var value = token.Value.ToUpperInvariant();
if (value == "Z")
{
tokens.Dequeue();
result |= Dimensions.Z;
}
if (value == "M")
{
tokens.Dequeue();
result |= Dimensions.M;
}
if (value == "ZM")
{
tokens.Dequeue();
result |= Dimensions.Z;
result |= Dimensions.M;
}
}
return(result);
}
private object ParseGeometry(WktTokenQueue tokens)
{
if (tokens.Count == 0)
{
return(null);
}
var token = tokens.Peek();
if (token.Type == WktTokenType.String)
{
var value = token.Value.ToUpperInvariant();
if (value == "POINT")
{
return(ParsePoint(tokens));
}
if (value == "LINESTRING")
{
return(ParseLineString(tokens));
}
if (value == "LINEARRING")
{
return(ParseLinearRing(tokens));
}
if (value == "POLYGON")
{
return(ParsePolygon(tokens));
}
if (value == "TRIANGLE")
{
return(ParseTriangle(tokens));
}
if (value == "MULTIPOINT")
{
return(ParseMultiPoint(tokens));
}
if (value == "MULTILINESTRING")
{
return(ParseMultiLineString(tokens));
}
if (value == "MULTIPOLYGON")
{
return(ParseMultiPolygon(tokens));
}
if (value == "GEOMETRYCOLLECTION")
{
return(ParseGeometryCollection(tokens));
}
}
throw new SerializationException("WKT type '" + token.Value + "' not supported.");
}
