public override object?ParseLiteral(IValueNode literal)
{
if (literal is NullValueNode)
{
return(null);
}
if (!(literal is ObjectValueNode obj) || obj.Fields.Count < 2)
{
throw ThrowHelper.InvalidInputObjectStructure(_geometryType);
}
(int typeIndex, int coordinateIndex, int crsIndex)indices =
ParseLiteralHelper.GetFieldIndices(obj,
_typeFieldName,
_coordinatesFieldName,
_crsFieldName);
if (indices.typeIndex == -1)
{
throw ThrowHelper.InvalidInputObjectStructure(_geometryType);
}
var type = (GeoJSONGeometryType)
_typeField.Type.ParseLiteral(obj.Fields[indices.typeIndex].Value);
if (type != _geometryType || indices.coordinateIndex == -1)
{
throw ThrowHelper.InvalidInputObjectStructure(_geometryType);
}
var coordinates = (IList <Coordinate>)
_coordinatesField.Type.ParseLiteral(obj.Fields[indices.coordinateIndex].Value);
if (coordinates.Count < 1)
{
throw ThrowHelper.InvalidInputObjectStructure(_geometryType);
}
var pointCount = coordinates.Count;
var points = new Point[pointCount];
for (var i = 0; i < pointCount; i++)
{
points[i] = new Point(coordinates[i]);
}
if (indices.crsIndex == -1)
{
return(new MultiPoint(points));
}
var srid = (int)_crsField.Type.ParseLiteral(obj.Fields[indices.crsIndex].Value);
GeometryFactory factory = NtsGeometryServices.Instance.CreateGeometryFactory(srid);
return(factory.CreateMultiPoint(points));
}
public override object?ParseLiteral(IValueNode literal)
{
if (literal is NullValueNode)
{
return(null);
}
if (!(literal is ObjectValueNode obj))
{
throw ThrowHelper.InvalidInputObjectStructure(_geometryType);
}
(int typeIndex, int coordinateIndex, int crsIndex)indices =
ParseLiteralHelper.GetFieldIndices(obj,
_typeFieldName,
_coordinatesFieldName,
_crsFieldName);
if (indices.typeIndex == -1)
{
throw ThrowHelper.InvalidInputObjectStructure(_geometryType);
}
var type = (GeoJSONGeometryType)
_typeField.Type.ParseLiteral(obj.Fields[indices.typeIndex].Value);
if (type != _geometryType || indices.coordinateIndex == -1)
{
throw ThrowHelper.InvalidInputObjectStructure(_geometryType);
}
var coordinates = (IList <Coordinate>)
_coordinatesField.Type.ParseLiteral(obj.Fields[indices.coordinateIndex].Value);
if (coordinates.Count < 4)
{
throw ThrowHelper.InvalidInputObjectStructure(_geometryType);
}
var coords = new Coordinate[coordinates.Count];
coordinates.CopyTo(coords, 0);
var ring = new LinearRing(coords);
if (indices.crsIndex == -1)
{
return(new Polygon(ring));
}
var srid = (int)_crsField.Type.ParseLiteral(obj.Fields[indices.crsIndex].Value);
GeometryFactory factory = NtsGeometryServices.Instance.CreateGeometryFactory(srid);
return(factory.CreatePolygon(ring));
}
public override object?ParseLiteral(IValueNode literal)
{
if (literal is NullValueNode)
{
return(null);
}
if (!(literal is ObjectValueNode obj))
{
throw ThrowHelper.InvalidInputObjectStructure(_geometryType);
}
(int typeIndex, int coordinateIndex, int crsIndex)indices =
ParseLiteralHelper.GetFieldIndices(
obj,
_typeFieldName,
_coordinatesFieldName,
_crsFieldName);
if (indices.typeIndex == -1)
{
throw ThrowHelper.InvalidInputObjectStructure(_geometryType);
}
var type = (GeoJSONGeometryType)
_typeField.Type.ParseLiteral(obj.Fields[indices.typeIndex].Value);
if (type != _geometryType || indices.coordinateIndex == -1)
{
throw ThrowHelper.InvalidInputObjectStructure(_geometryType);
}
var parts = (List <List <Coordinate> >)
_coordinatesField.Type.ParseLiteral(obj.Fields[indices.coordinateIndex].Value);
if (parts.Count < 1)
{
throw ThrowHelper.InvalidInputObjectStructure(_geometryType);
}
var lineCount = parts.Count;
var geometries = new LineString[lineCount];
for (var i = 0; i < lineCount; i++)
{
var pointCount = parts[i].Count;
var coordinates = new Coordinate[pointCount];
for (var j = 0; j < pointCount; j++)
{
coordinates[j] = new Coordinate(parts[i][j]);
}
geometries[i] = new LineString(coordinates);
}
if (indices.crsIndex == -1)
{
return(new MultiLineString(geometries));
}
var srid = (int)_crsField.Type.ParseLiteral(obj.Fields[indices.crsIndex].Value);
GeometryFactory factory = NtsGeometryServices.Instance.CreateGeometryFactory(srid);
return(factory.CreateMultiLineString(geometries));
}
