public static FeatureCollection ReadFeatureCollection(JsonReader jsonReader)
{
string str = string.Empty;
List <Feature> featureList = (List <Feature>)null;
while (jsonReader.Read() && jsonReader.TokenType != JsonToken.EndObject)
{
if (jsonReader.TokenType == JsonToken.PropertyName)
{
if ((string)jsonReader.Value == "type")
{
str = jsonReader.ReadAsString();
}
else if ((string)jsonReader.Value == "features")
{
featureList = GeoJsonConverter.ReadFeatureArray(jsonReader);
}
}
}
if (!(str == "FeatureCollection"))
{
throw new Exception("Invalid type.");
}
if (featureList == null)
{
return(new FeatureCollection());
}
return(new FeatureCollection((IEnumerable <Feature>)featureList));
}
/// <summary>
/// Reads GeoJson and returns the feature collection.
/// </summary>
/// <param name="jsonReader"></param>
/// <returns></returns>
public static FeatureCollection ReadFeatureCollection(JsonReader jsonReader)
{
var type = string.Empty;
List <Feature> features = null;
while (jsonReader.Read())
{
if (jsonReader.TokenType == JsonToken.EndObject)
{ // end of geometry.
break;
}
if (jsonReader.TokenType == JsonToken.PropertyName)
{
if ((string)jsonReader.Value == "type")
{ // the geometry type.
type = jsonReader.ReadAsString();
}
else if ((string)jsonReader.Value == "features")
{ // the geometry.
features = GeoJsonConverter.ReadFeatureArray(jsonReader);
}
}
}
switch (type)
{
case "FeatureCollection":
if (features == null)
{
return(new FeatureCollection());
}
return(new FeatureCollection(features));
}
throw new Exception("Invalid type.");
}
internal static List <object> ReadCoordinateArrays(JsonReader jsonReader)
{
List <object> objectList = new List <object>();
jsonReader.Read();
if (jsonReader.TokenType == JsonToken.StartArray)
{
while (jsonReader.TokenType == JsonToken.StartArray)
{
objectList.Add((object)GeoJsonConverter.ReadCoordinateArrays(jsonReader));
jsonReader.Read();
}
}
else if (jsonReader.TokenType == JsonToken.Float)
{
while (jsonReader.TokenType != JsonToken.EndArray)
{
objectList.Add((object)(double)jsonReader.Value);
jsonReader.Read();
}
}
else
{
throw new Exception(string.Format("Invalid token in coordinates array: {0}", (object)jsonReader.TokenType.ToInvariantString()));
}
return(objectList);
}
/// <summary>
/// Reads GeoJson and returns a list of coordinates.
/// </summary>
/// <param name="jsonReader"></param>
/// <returns></returns>
internal static List <object> ReadCoordinateArrays(JsonReader jsonReader)
{
var coordinates = new List <object>();
jsonReader.Read(); // move to next array start.
if (jsonReader.TokenType == JsonToken.StartArray)
{
while (jsonReader.TokenType == JsonToken.StartArray)
{
coordinates.Add(GeoJsonConverter.ReadCoordinateArrays(jsonReader));
jsonReader.Read(); // move to next array start.
}
}
else if (jsonReader.TokenType == JsonToken.Float)
{
while (jsonReader.TokenType != JsonToken.EndArray)
{
coordinates.Add((double)jsonReader.Value);
jsonReader.Read();
}
}
else
{
throw new Exception(string.Format("Invalid token in coordinates array: {0}", jsonReader.TokenType.ToInvariantString()));
}
return(coordinates);
}
/// <summary>
/// Reads GeoJson and returns the geometry.
/// </summary>
/// <param name="jsonReader"></param>
/// <returns></returns>
internal static Geometry ReadGeometry(JsonReader jsonReader)
{
var geometryType = string.Empty;
var coordinates = new List <object>();
List <Geometry> geometries = null;
while (jsonReader.Read())
{
if (jsonReader.TokenType == JsonToken.EndObject)
{ // end of geometry.
break;
}
if (jsonReader.TokenType == JsonToken.PropertyName)
{
if ((string)jsonReader.Value == "type")
{ // the geometry type.
geometryType = jsonReader.ReadAsString();
}
else if ((string)jsonReader.Value == "geometries")
{ // the geometries if a geometry collection.
geometries = GeoJsonConverter.ReadGeometryArray(jsonReader);
}
else if ((string)jsonReader.Value == "coordinates")
{ // the coordinates.
jsonReader.Read(); // move to first array start.
coordinates = GeoJsonConverter.ReadCoordinateArrays(jsonReader);
}
}
}
// data has been read, instantiate the actual object.
switch (geometryType)
{
case "Point":
return(GeoJsonConverter.BuildPoint(coordinates));
case "LineString":
return(GeoJsonConverter.BuildLineString(coordinates));
case "Polygon":
return(GeoJsonConverter.BuildPolygon(coordinates));
case "MultiPoint":
return(GeoJsonConverter.BuildMultiPoint(coordinates));
case "MultiLineString":
return(GeoJsonConverter.BuildMultiLineString(coordinates));
case "MultiPolygon":
return(GeoJsonConverter.BuildMultiPolygon(coordinates));
case "GeometryCollection":
return(GeoJsonConverter.BuildGeometryCollection(geometries));
}
throw new Exception(string.Format("Unknown geometry type: {0}", geometryType));
}
public static string ToGeoJson(this LineString geometry)
{
if (geometry == null)
{
throw new ArgumentNullException("geometry");
}
JTokenWriter jtokenWriter = new JTokenWriter();
LineString geometry1 = geometry;
GeoJsonConverter.Write((JsonWriter)jtokenWriter, geometry1);
return(jtokenWriter.Token.ToString());
}
/// <summary>
/// Reads GeoJson and returns the list of features.
/// </summary>
/// <param name="jsonReader"></param>
/// <returns></returns>
internal static List <Feature> ReadFeatureArray(JsonReader jsonReader)
{
var features = new List <Feature>();
jsonReader.Read();
while (jsonReader.TokenType != JsonToken.EndArray)
{
features.Add(GeoJsonConverter.ReadFeature(jsonReader));
jsonReader.Read();
}
return(features);
}
public static string ToGeoJson(this FeatureCollection featureCollection)
{
if (featureCollection == null)
{
throw new ArgumentNullException("featureCollection");
}
JTokenWriter jtokenWriter = new JTokenWriter();
FeatureCollection featureCollection1 = featureCollection;
GeoJsonConverter.Write((JsonWriter)jtokenWriter, (IEnumerable <Feature>)featureCollection1);
return(jtokenWriter.Token.ToString());
}
/// <summary>
/// Generates GeoJson for the given feature collection.
/// </summary>
public static string ToGeoJson(this IEnumerable <Feature> featureCollection)
{
if (featureCollection == null)
{
throw new ArgumentNullException("featureCollection");
}
var jsonWriter = new JTokenWriter();
GeoJsonConverter.Write(jsonWriter, featureCollection);
return(jsonWriter.Token.ToString());
}
/// <summary>
/// Generates GeoJson for the given geometry collection.
/// </summary>
/// <param name="geometryCollection"></param>
public static string ToGeoJson(this MultiPolygon geometryCollection)
{
if (geometryCollection == null)
{
throw new ArgumentNullException("geometryCollection");
}
var jsonWriter = new JTokenWriter();
GeoJsonConverter.Write(jsonWriter, geometryCollection);
return(jsonWriter.Token.ToString());
}
public static string ToGeoJson(this GeometryCollection geometryCollection)
{
if (geometryCollection == null)
{
throw new ArgumentNullException("geometryCollection");
}
JTokenWriter jtokenWriter = new JTokenWriter();
GeometryCollection geometryCollection1 = geometryCollection;
GeoJsonConverter.Write((JsonWriter)jtokenWriter, geometryCollection1);
return(jtokenWriter.Token.ToString());
}
/// <summary>
/// Generates GeoJson for this geometry.
/// </summary>
/// <param name="geometry"></param>
/// <returns></returns>
public static string ToGeoJson(this Point geometry)
{
if (geometry == null)
{
throw new ArgumentNullException("geometry");
}
var jsonWriter = new JTokenWriter();
GeoJsonConverter.Write(jsonWriter, geometry);
return(jsonWriter.Token.ToString());
}
/// <summary>
/// Reads GeoJson and returns the list of geometries..
/// </summary>
/// <param name="jsonReader"></param>
/// <returns></returns>
internal static List <Geometry> ReadGeometryArray(JsonReader jsonReader)
{
var geometries = new List <Geometry>();
jsonReader.Read();
while (jsonReader.TokenType != JsonToken.EndArray)
{
geometries.Add(GeoJsonConverter.ReadGeometry(jsonReader));
jsonReader.Read();
}
return(geometries);
}
/// <summary>
/// Generates GeoJson for the given feature.
/// </summary>
/// <param name="feature"></param>
public static string ToGeoJson(this Feature feature)
{
if (feature == null)
{
throw new ArgumentNullException("feature");
}
var jsonWriter = new JTokenWriter();
GeoJsonConverter.Write(jsonWriter, feature);
return(jsonWriter.Token.ToString());
}
/// <summary>
/// Reads GeoJson and returns the feature.
/// </summary>
/// <param name="jsonReader"></param>
/// <returns></returns>
public static Feature ReadFeature(JsonReader jsonReader)
{
var type = string.Empty;
Geometry geometry = null;
GeometryAttributeCollection attributes = null;
while (jsonReader.Read())
{
if (jsonReader.TokenType == JsonToken.EndArray)
{
return(null);
}
if (jsonReader.TokenType == JsonToken.EndObject)
{ // end of geometry.
break;
}
if (jsonReader.TokenType == JsonToken.PropertyName)
{
if ((string)jsonReader.Value == "type")
{ // the geometry type.
type = jsonReader.ReadAsString();
}
else if ((string)jsonReader.Value == "geometry")
{ // the geometry.
geometry = GeoJsonConverter.ReadGeometry(jsonReader);
}
else if ((string)jsonReader.Value == "properties")
{ // the properties/attributes.
attributes = GeoJsonConverter.ReadAttributes(jsonReader);
}
}
}
switch (type)
{
case "Feature":
if (geometry == null)
{
throw new Exception("No geometry found.");
}
if (attributes != null)
{
return(new Feature(geometry, attributes));
}
return(new Feature(geometry));
}
throw new Exception("Invalid type.");
}
public static Feature ReadFeature(JsonReader jsonReader)
{
string str = string.Empty;
Geometry geometry = (Geometry)null;
GeometryAttributeCollection attributes = (GeometryAttributeCollection)null;
while (jsonReader.Read())
{
if (jsonReader.TokenType == JsonToken.EndArray)
{
return((Feature)null);
}
if (jsonReader.TokenType != JsonToken.EndObject)
{
if (jsonReader.TokenType == JsonToken.PropertyName)
{
if ((string)jsonReader.Value == "type")
{
str = jsonReader.ReadAsString();
}
else if ((string)jsonReader.Value == "geometry")
{
geometry = GeoJsonConverter.ReadGeometry(jsonReader);
}
else if ((string)jsonReader.Value == "properties")
{
attributes = GeoJsonConverter.ReadAttributes(jsonReader);
}
}
}
else
{
break;
}
}
if (!(str == "Feature"))
{
throw new Exception("Invalid type.");
}
if (geometry == null)
{
throw new Exception("No geometry found.");
}
if (attributes != null)
{
return(new Feature(geometry, attributes));
}
return(new Feature(geometry));
}
/// <summary>
/// Generates GeoJson for the given geometry.
/// </summary>
/// <param name="writer"></param>
/// <param name="geometry"></param>
internal static void Write(JsonWriter writer, Geometry geometry)
{
if (writer == null)
{
throw new ArgumentNullException("writer");
}
if (geometry == null)
{
throw new ArgumentNullException("geometry");
}
if (geometry is LineairRing)
{
GeoJsonConverter.Write(writer, geometry as LineairRing);
}
else if (geometry is Point)
{
GeoJsonConverter.Write(writer, geometry as Point);
}
else if (geometry is LineString)
{
GeoJsonConverter.Write(writer, geometry as LineString);
}
else if (geometry is Polygon)
{
GeoJsonConverter.Write(writer, geometry as Polygon);
}
else if (geometry is MultiPoint)
{
GeoJsonConverter.Write(writer, geometry as MultiPoint);
}
else if (geometry is MultiPolygon)
{
GeoJsonConverter.Write(writer, geometry as MultiPolygon);
}
else if (geometry is MultiLineString)
{
GeoJsonConverter.Write(writer, geometry as MultiLineString);
}
else if (geometry is GeometryCollection)
{
GeoJsonConverter.Write(writer, geometry as GeometryCollection);
}
else
{
throw new Exception(string.Format("Unknown geometry of type: {0}", geometry.GetType()));
}
}
internal static List <Feature> ReadFeatureArray(JsonReader jsonReader)
{
List <Feature> featureList = new List <Feature>();
jsonReader.Read();
while (jsonReader.TokenType != JsonToken.EndArray)
{
Feature feature = GeoJsonConverter.ReadFeature(jsonReader);
if (feature == null)
{
return(featureList);
}
featureList.Add(feature);
jsonReader.Read();
}
return(featureList);
}
/// <summary>
/// Builds the geometry from the given coordinates.
/// </summary>
/// <param name="coordinates"></param>
/// <returns></returns>
internal static MultiPolygon BuildMultiPolygon(List <object> coordinates)
{
if (coordinates == null)
{
throw new ArgumentNullException();
}
if (coordinates.Count >= 1)
{
var polygons = new List <Polygon>();
foreach (List <object> coordinates1 in coordinates)
{
polygons.Add(GeoJsonConverter.BuildPolygon(coordinates1));
}
return(new MultiPolygon(polygons));
}
throw new Exception("Invalid coordinate collection.");
}
internal static MultiPolygon BuildMultiPolygon(List <object> coordinates)
{
if (coordinates == null)
{
throw new ArgumentNullException();
}
if (coordinates.Count < 1)
{
throw new Exception("Invalid coordinate collection.");
}
List <Polygon> polygonList = new List <Polygon>();
foreach (List <object> coordinate in coordinates)
{
polygonList.Add(GeoJsonConverter.BuildPolygon(coordinate));
}
return(new MultiPolygon((IEnumerable <Polygon>)polygonList));
}
public static void Write(JsonWriter writer, Feature feature)
{
if (writer == null)
{
throw new ArgumentNullException("writer");
}
if (feature == null)
{
throw new ArgumentNullException("feature");
}
writer.WriteStartObject();
writer.WritePropertyName("type");
writer.WriteValue("Feature");
writer.WritePropertyName("properties");
GeoJsonConverter.Write(writer, feature.Attributes);
writer.WritePropertyName("geometry");
GeoJsonConverter.Write(writer, feature.Geometry);
writer.WriteEndObject();
}
internal static void Write(JsonWriter writer, GeometryCollection geometryCollection)
{
if (writer == null)
{
throw new ArgumentNullException("writer");
}
if (geometryCollection == null)
{
throw new ArgumentNullException("geometryCollection");
}
writer.WriteStartObject();
writer.WritePropertyName("type");
writer.WriteValue("GeometryCollection");
writer.WritePropertyName("geometries");
writer.WriteStartArray();
foreach (Geometry geometry in (GeometryCollectionBase <Geometry>)geometryCollection)
{
GeoJsonConverter.Write(writer, geometry);
}
writer.WriteEndArray();
writer.WriteEndObject();
}
public static void Write(JsonWriter writer, IEnumerable <Feature> featureCollection)
{
if (writer == null)
{
throw new ArgumentNullException("writer");
}
if (featureCollection == null)
{
throw new ArgumentNullException("featureCollection");
}
writer.WriteStartObject();
writer.WritePropertyName("type");
writer.WriteValue("FeatureCollection");
writer.WritePropertyName("features");
writer.WriteStartArray();
foreach (Feature feature in featureCollection)
{
GeoJsonConverter.Write(writer, feature);
}
writer.WriteEndArray();
writer.WriteEndObject();
}
internal static Geometry ReadGeometry(JsonReader jsonReader)
{
string s = string.Empty;
List <object> coordinates = new List <object>();
List <Geometry> geometries = (List <Geometry>)null;
while (jsonReader.Read() && jsonReader.TokenType != JsonToken.EndObject)
{
if (jsonReader.TokenType == JsonToken.PropertyName)
{
if ((string)jsonReader.Value == "type")
{
s = jsonReader.ReadAsString();
}
else if ((string)jsonReader.Value == "geometries")
{
geometries = GeoJsonConverter.ReadGeometryArray(jsonReader);
}
else if ((string)jsonReader.Value == "coordinates")
{
jsonReader.Read();
coordinates = GeoJsonConverter.ReadCoordinateArrays(jsonReader);
}
}
}
// ISSUE: reference to a compiler-generated method
long stringHash = s.GetHashCode();// \u003CPrivateImplementationDetails\u003E.ComputeStringHash(s);
if (stringHash <= 2386032169U)
{
if ((int)stringHash != 1547714260)
{
if ((int)stringHash != 2050635977)
{
if ((int)stringHash == -1908935127 && s == "Polygon")
{
return((Geometry)GeoJsonConverter.BuildPolygon(coordinates));
}
}
else if (s == "MultiLineString")
{
return((Geometry)GeoJsonConverter.BuildMultiLineString(coordinates));
}
}
else if (s == "MultiPolygon")
{
return((Geometry)GeoJsonConverter.BuildMultiPolygon(coordinates));
}
}
else if (stringHash <= 3786658501U)
{
if ((int)stringHash != -600749884)
{
if ((int)stringHash == -508308795 && s == "GeometryCollection")
{
return((Geometry)GeoJsonConverter.BuildGeometryCollection(geometries));
}
}
else if (s == "MultiPoint")
{
return((Geometry)GeoJsonConverter.BuildMultiPoint(coordinates));
}
}
else if ((int)stringHash != -358027471)
{
if ((int)stringHash == -200799438 && s == "LineString")
{
return((Geometry)GeoJsonConverter.BuildLineString(coordinates));
}
}
else if (s == "Point")
{
return((Geometry)GeoJsonConverter.BuildPoint(coordinates));
}
throw new Exception(string.Format("Unknown geometry type: {0}", (object)s));
}
public static FeatureCollection ToFeatureCollection(this string geoJson)
{
return(GeoJsonConverter.ReadFeatureCollection((JsonReader) new JsonTextReader((TextReader) new StringReader(geoJson))));
}
/// <summary>
/// Reads GeoJson and returns the geometry.
/// </summary>
/// <param name="geoJson"></param>
/// <returns></returns>
public static Geometry ToGeometry(this string geoJson)
{
var jsonReader = new JsonTextReader(new StringReader(geoJson));
return(GeoJsonConverter.ReadGeometry(jsonReader));
}
/// <summary>
/// Reads GeoJson and returns the feature collection.
/// </summary>
/// <param name="geoJson"></param>
/// <returns></returns>
public static FeatureCollection ToFeatureCollection(this string geoJson)
{
var jsonReader = new JsonTextReader(new StringReader(geoJson));
return(GeoJsonConverter.ReadFeatureCollection(jsonReader));
}
public static Geometry ToGeometry(this string geoJson)
{
return(GeoJsonConverter.ReadGeometry((JsonReader) new JsonTextReader((TextReader) new StringReader(geoJson))));
}