// public methods
/// <summary>
/// Deserializes an object from a BsonReader.
/// </summary>
/// <param name="bsonReader">The BsonReader.</param>
/// <param name="nominalType">The nominal type of the object.</param>
/// <param name="actualType">The actual type of the object.</param>
/// <param name="options">The serialization options.</param>
/// <returns>An object.</returns>
public override object Deserialize(
BsonReader bsonReader,
Type nominalType,
Type actualType,
IBsonSerializationOptions options)
{
VerifyTypes(nominalType, actualType, typeof(BsonJavaScriptWithScope));
var bsonType = bsonReader.GetCurrentBsonType();
switch (bsonType)
{
case BsonType.JavaScriptWithScope:
var code = bsonReader.ReadJavaScriptWithScope();
var scope = (BsonDocument)BsonDocumentSerializer.Instance.Deserialize(bsonReader, typeof(BsonDocument), null);
return new BsonJavaScriptWithScope(code, scope);
default:
var message = string.Format("Cannot deserialize BsonJavaScriptWithScope from BsonType {0}.", bsonType);
throw new FileFormatException(message);
}
}
// public methods
/// <summary>
/// Deserializes an object from a BsonReader.
/// </summary>
/// <param name="bsonReader">The BsonReader.</param>
/// <param name="nominalType">The nominal type of the object.</param>
/// <param name="actualType">The actual type of the object.</param>
/// <param name="options">The serialization options.</param>
/// <returns>An object.</returns>
public override object Deserialize(
BsonReader bsonReader,
Type nominalType,
Type actualType,
IBsonSerializationOptions options)
{
VerifyTypes(nominalType, actualType, typeof(BsonJavaScriptWithScope));
var bsonType = bsonReader.GetCurrentBsonType();
if (bsonType == BsonType.Null)
{
bsonReader.ReadNull();
return null;
}
else
{
var code = bsonReader.ReadJavaScriptWithScope();
var scope = BsonDocument.ReadFrom(bsonReader);
return new BsonJavaScriptWithScope(code, scope);
}
}
public void TestJavaScriptWithScope() {
string json = "{ \"$code\" : \"function f() { return n; }\", \"$scope\" : { \"n\" : 1 } }";
using (bsonReader = BsonReader.Create(json)) {
Assert.AreEqual(BsonType.JavaScriptWithScope, bsonReader.ReadBsonType());
Assert.AreEqual("function f() { return n; }", bsonReader.ReadJavaScriptWithScope());
bsonReader.ReadStartDocument();
Assert.AreEqual(BsonType.Int32, bsonReader.ReadBsonType());
Assert.AreEqual("n", bsonReader.ReadName());
Assert.AreEqual(1, bsonReader.ReadInt32());
bsonReader.ReadEndDocument();
Assert.AreEqual(BsonReaderState.Done, bsonReader.State);
}
Assert.AreEqual(json, BsonSerializer.Deserialize<BsonJavaScriptWithScope>(new StringReader(json)).ToJson());
}
public override object Deserialize(
BsonReader bsonReader,
Type nominalType
)
{
var bsonType = bsonReader.CurrentBsonType;
if (bsonType == BsonType.Null) {
bsonReader.ReadNull();
return null;
} else {
var code = bsonReader.ReadJavaScriptWithScope();
var scope = BsonDocument.ReadFrom(bsonReader);
return new BsonJavaScriptWithScope(code, scope);
}
}
