// protected methods
/// <summary>
/// Deserializes a value.
/// </summary>
/// <param name="context">The deserialization context.</param>
/// <param name="args">The deserialization args.</param>
/// <returns>The value.</returns>
protected override GeoJsonBoundingBox <TCoordinates> DeserializeValue(BsonDeserializationContext context, BsonDeserializationArgs args)
{
var bsonReader = context.Reader;
var flattenedArray = BsonArraySerializer.Instance.Deserialize(context);
if ((flattenedArray.Count % 2) != 0)
{
throw new FormatException("Bounding box array does not have an even number of values.");
}
var half = flattenedArray.Count / 2;
// create a dummy document with a min and a max and then deserialize the min and max coordinates from there
var document = new BsonDocument
{
{ "min", new BsonArray(flattenedArray.Take(half)) },
{ "max", new BsonArray(flattenedArray.Skip(half)) }
};
using (var documentReader = new BsonDocumentReader(document))
{
var documentContext = BsonDeserializationContext.CreateRoot(documentReader);
documentReader.ReadStartDocument();
documentReader.ReadName("min");
var min = _coordinatesSerializer.Deserialize(documentContext);
documentReader.ReadName("max");
var max = _coordinatesSerializer.Deserialize(documentContext);
documentReader.ReadEndDocument();
return(new GeoJsonBoundingBox <TCoordinates>(min, max));
}
}
private object DeserializeKeyString(string keyString)
{
var keyDocument = new BsonDocument("k", keyString);
using (var keyReader = new BsonDocumentReader(keyDocument))
{
var context = BsonDeserializationContext.CreateRoot(keyReader);
keyReader.ReadStartDocument();
keyReader.ReadName("k");
var key = _keySerializer.Deserialize(context);
keyReader.ReadEndDocument();
return(key);
}
}
/// <summary>
/// Deserializes the value.
/// </summary>
/// <param name="value">The value.</param>
/// <returns>The deserialized value.</returns>
public object DeserializeValue(BsonValue value)
{
var tempDocument = new BsonDocument("value", value);
using (var reader = new BsonDocumentReader(tempDocument))
{
var context = BsonDeserializationContext.CreateRoot <BsonDocument>(reader);
reader.ReadStartDocument();
reader.ReadName("value");
var deserializedValue = context.DeserializeWithChildContext(_serializer);
reader.ReadEndDocument();
return(deserializedValue);
}
}
// public methods
/// <summary>
/// Gets an enumerator for the result objects.
/// </summary>
/// <returns>An enumerator for the result objects.</returns>
public IEnumerator <TResult> GetEnumerator()
{
foreach (var value in _source)
{
var document = new BsonDocument("_v", value);
using (var bsonReader = new BsonDocumentReader(document))
{
var context = BsonDeserializationContext.CreateRoot(bsonReader);
bsonReader.ReadStartDocument();
bsonReader.ReadName("_v");
yield return((TResult)_serializationInfo.Serializer.Deserialize(context));
bsonReader.ReadEndDocument();
}
}
}