/// <summary>
/// Deserializes an object from a binary source.
/// </summary>
/// <param name="Reader">Binary deserializer.</param>
/// <param name="DataType">Optional datatype. If not provided, will be read from the binary source.</param>
/// <param name="Embedded">If the object is embedded into another.</param>
/// <returns>Deserialized object.</returns>
public override object Deserialize(IBsonReader Reader, BsonType?DataType, bool Embedded)
{
if (!DataType.HasValue)
{
DataType = Reader.ReadBsonType();
}
switch (DataType.Value)
{
case BsonType.Boolean: return(Reader.ReadBoolean());
case BsonType.Decimal128: return(Reader.ReadDecimal128() != 0);
case BsonType.Double: return(Reader.ReadDouble() != 0);
case BsonType.Int32: return(Reader.ReadInt32() != 0);
case BsonType.Int64: return(Reader.ReadInt64() != 0);
case BsonType.MinKey: Reader.ReadMinKey(); return(false);
case BsonType.MaxKey: Reader.ReadMaxKey(); return(true);
case BsonType.Null: Reader.ReadNull(); return(null);
default: throw new Exception("Expected a boolean value.");
}
}
/// <summary>
/// Reads a single value.
/// </summary>
/// <param name="Reader">Binary reader.</param>
/// <param name="FieldDataType">Field data type.</param>
/// <returns>Single value.</returns>
/// <exception cref="ArgumentException">If the <paramref name="FieldDataType"/> was invalid.</exception>
public static float ReadSingle(IBsonReader Reader, BsonType FieldDataType)
{
switch (FieldDataType)
{
case BsonType.Boolean: return(Reader.ReadBoolean() ? (float)1 : (float)0);
case BsonType.Decimal128: return((float)Reader.ReadDecimal128());
case BsonType.Double: return((float)Reader.ReadDouble());
case BsonType.Int32: return((float)Reader.ReadInt32());
case BsonType.Int64: return((float)Reader.ReadInt64());
case BsonType.String: return(float.Parse(Reader.ReadString()));
case BsonType.MinKey: Reader.ReadMinKey(); return(float.MinValue);
case BsonType.MaxKey: Reader.ReadMaxKey(); return(float.MaxValue);
default:
throw new ArgumentException("Expected a single value, but was a " +
FieldDataType.ToString() + ".", nameof(FieldDataType));
}
}
/// <summary>
/// Deserializes an object from a binary source.
/// </summary>
/// <param name="Reader">Binary deserializer.</param>
/// <param name="DataType">Optional datatype. If not provided, will be read from the binary source.</param>
/// <param name="Embedded">If the object is embedded into another.</param>
/// <returns>Deserialized object.</returns>
public override object Deserialize(IBsonReader Reader, BsonType?DataType, bool Embedded)
{
if (!DataType.HasValue)
{
DataType = Reader.ReadBsonType();
}
switch (DataType.Value)
{
case BsonType.Decimal128: return((char?)Reader.ReadDecimal128());
case BsonType.Double: return((char?)Reader.ReadDouble());
case BsonType.Int32: return((char?)Reader.ReadInt32());
case BsonType.Int64: return((char?)Reader.ReadInt64());
case BsonType.MinKey: Reader.ReadMinKey(); return((char?)char.MinValue);
case BsonType.MaxKey: Reader.ReadMaxKey(); return((char?)char.MaxValue);
case BsonType.Null: Reader.ReadNull(); return(null);
case BsonType.String:
string s = Reader.ReadString();
return((char?)(string.IsNullOrEmpty(s) ? (char?)0 : s[0]));
default: throw new Exception("Expected a nullable char value.");
}
}
/// <summary>
/// Deserializes an object from a binary source.
/// </summary>
/// <param name="Reader">Binary deserializer.</param>
/// <param name="DataType">Optional datatype. If not provided, will be read from the binary source.</param>
/// <param name="Embedded">If the object is embedded into another.</param>
/// <returns>Deserialized object.</returns>
public override object Deserialize(IBsonReader Reader, BsonType?DataType, bool Embedded)
{
if (!DataType.HasValue)
{
DataType = Reader.ReadBsonType();
}
switch (DataType.Value)
{
case BsonType.Boolean: return(Reader.ReadBoolean() ? (byte?)1 : (byte?)0);
case BsonType.Decimal128: return((byte?)Reader.ReadDecimal128());
case BsonType.Double: return((byte?)Reader.ReadDouble());
case BsonType.Int32: return((byte?)Reader.ReadInt32());
case BsonType.Int64: return((byte?)Reader.ReadInt64());
case BsonType.String: return((byte?)byte.Parse(Reader.ReadString()));
case BsonType.MinKey: Reader.ReadMinKey(); return((byte?)byte.MinValue);
case BsonType.MaxKey: Reader.ReadMaxKey(); return((byte?)byte.MaxValue);
case BsonType.Null: Reader.ReadNull(); return(null);
default: throw new Exception("Expected a nullable byte value.");
}
}
/// <summary>
/// Reads a char value.
/// </summary>
/// <param name="Reader">Binary reader.</param>
/// <param name="FieldDataType">Field data type.</param>
/// <returns>Char value.</returns>
/// <exception cref="ArgumentException">If the <paramref name="FieldDataType"/> was invalid.</exception>
public static char ReadChar(IBsonReader Reader, BsonType FieldDataType)
{
switch (FieldDataType)
{
case BsonType.Decimal128: return((char)Reader.ReadDecimal128());
case BsonType.Double: return((char)Reader.ReadDouble());
case BsonType.Int32: return((char)Reader.ReadInt32());
case BsonType.Int64: return((char)Reader.ReadInt64());
case BsonType.MinKey: Reader.ReadMinKey(); return(char.MinValue);
case BsonType.MaxKey: Reader.ReadMaxKey(); return(char.MaxValue);
case BsonType.String:
string s = Reader.ReadString();
return(string.IsNullOrEmpty(s) ? (char)0 : s[0]);
default:
throw new ArgumentException("Expected a char value, but was a " +
FieldDataType.ToString() + ".", nameof(FieldDataType));
}
}
/// <summary>
/// Reads a 64-bit unsigned integer value.
/// </summary>
/// <param name="Reader">Binary reader.</param>
/// <param name="FieldDataType">Field data type.</param>
/// <returns>64-bit unsigned integer value.</returns>
/// <exception cref="ArgumentException">If the <paramref name="FieldDataType"/> was invalid.</exception>
public static ulong ReadUInt64(IBsonReader Reader, BsonType FieldDataType)
{
switch (FieldDataType)
{
case BsonType.Boolean: return(Reader.ReadBoolean() ? (ulong)1 : (ulong)0);
case BsonType.Decimal128: return((ulong)Reader.ReadDecimal128());
case BsonType.Double: return((ulong)Reader.ReadDouble());
case BsonType.Int32: return((ulong)Reader.ReadInt32());
case BsonType.Int64: return((ulong)Reader.ReadInt64());
case BsonType.String: return(ulong.Parse(Reader.ReadString()));
case BsonType.MinKey: Reader.ReadMinKey(); return(ulong.MinValue);
case BsonType.MaxKey: Reader.ReadMaxKey(); return(ulong.MaxValue);
default:
throw new ArgumentException("Expected a 64-bit unsigned integer value, but was a " +
FieldDataType.ToString() + ".", nameof(FieldDataType));
}
}
/// <summary>
/// Deserializes an object from a binary source.
/// </summary>
/// <param name="Reader">Binary deserializer.</param>
/// <param name="DataType">Optional datatype. If not provided, will be read from the binary source.</param>
/// <param name="Embedded">If the object is embedded into another.</param>
/// <returns>Deserialized object.</returns>
public override object Deserialize(IBsonReader Reader, BsonType?DataType, bool Embedded)
{
if (!DataType.HasValue)
{
DataType = Reader.ReadBsonType();
}
switch (DataType.Value)
{
case BsonType.DateTime: return((DateTimeOffset?)ObjectSerializer.UnixEpoch.AddMilliseconds(Reader.ReadDateTime()));
case BsonType.String: return((DateTimeOffset?)DateTimeOffset.Parse(Reader.ReadString()));
case BsonType.Document:
DateTime TP = DateTime.MinValue;
TimeSpan TZ = TimeSpan.Zero;
Reader.ReadStartDocument();
while (Reader.State == BsonReaderState.Type)
{
BsonType BsonType = Reader.ReadBsonType();
if (BsonType == BsonType.EndOfDocument)
{
break;
}
string FieldName = Reader.ReadName();
switch (FieldName)
{
case "tp":
TP = ObjectSerializer.UnixEpoch.AddMilliseconds(Reader.ReadDateTime());
break;
case "tz":
TZ = TimeSpan.Parse(Reader.ReadString());
break;
}
}
Reader.ReadEndDocument();
return((DateTimeOffset?)new DateTimeOffset(TP, TZ));
case BsonType.MinKey: Reader.ReadMinKey(); return((DateTimeOffset?)DateTimeOffset.MinValue);
case BsonType.MaxKey: Reader.ReadMaxKey(); return((DateTimeOffset?)DateTimeOffset.MaxValue);
case BsonType.Null: Reader.ReadNull(); return(null);
default: throw new Exception("Expected a nullable DateTimeOffset value.");
}
}
public void TestMinKeyKeyword()
{
var json = "MinKey";
using (_bsonReader = new JsonReader(json))
{
Assert.Equal(BsonType.MinKey, _bsonReader.ReadBsonType());
_bsonReader.ReadMinKey();
Assert.Equal(BsonReaderState.Initial, _bsonReader.State);
}
Assert.Equal(json, BsonSerializer.Deserialize <BsonMinKey>(new StringReader(json)).ToJson());
}
public void TestMinKeyExtendedJsonWithCapitalK()
{
var json = "{ \"$minKey\" : 1 }";
using (_bsonReader = new JsonReader(json))
{
Assert.Equal(BsonType.MinKey, _bsonReader.ReadBsonType());
_bsonReader.ReadMinKey();
Assert.Equal(BsonReaderState.Initial, _bsonReader.State);
}
var canonicalJson = "MinKey";
Assert.Equal(canonicalJson, BsonSerializer.Deserialize <BsonMinKey>(new StringReader(json)).ToJson());
}
/// <summary>
/// Reads a time span value.
/// </summary>
/// <param name="Reader">Binary reader.</param>
/// <param name="FieldDataType">Field data type.</param>
/// <returns>TimeSpan value.</returns>
/// <exception cref="ArgumentException">If the <paramref name="FieldDataType"/> was invalid.</exception>
public static TimeSpan ReadTimeSpan(IBsonReader Reader, BsonType FieldDataType)
{
switch (FieldDataType)
{
case BsonType.String: return(TimeSpan.Parse(Reader.ReadString()));
case BsonType.MinKey: Reader.ReadMinKey(); return(TimeSpan.MinValue);
case BsonType.MaxKey: Reader.ReadMaxKey(); return(TimeSpan.MaxValue);
default:
throw new ArgumentException("Expected a time span value, but was a " +
FieldDataType.ToString() + ".", nameof(FieldDataType));
}
}
/// <summary>
/// Reads a date & time value with offset.
/// </summary>
/// <param name="Reader">Binary reader.</param>
/// <param name="FieldDataType">Field data type.</param>
/// <returns>DateTimeOffset value.</returns>
/// <exception cref="ArgumentException">If the <paramref name="FieldDataType"/> was invalid.</exception>
public static DateTimeOffset ReadDateTimeOffset(IBsonReader Reader, BsonType FieldDataType)
{
switch (FieldDataType)
{
case BsonType.DateTime: return((DateTimeOffset)ObjectSerializer.UnixEpoch.AddMilliseconds(Reader.ReadDateTime()));
case BsonType.String: return(DateTimeOffset.Parse(Reader.ReadString()));
case BsonType.Document:
DateTime TP = DateTime.MinValue;
TimeSpan TZ = TimeSpan.Zero;
Reader.ReadStartDocument();
while (Reader.State == BsonReaderState.Type)
{
BsonType BsonType = Reader.ReadBsonType();
if (BsonType == BsonType.EndOfDocument)
{
break;
}
string FieldName = Reader.ReadName();
switch (FieldName)
{
case "tp":
TP = ObjectSerializer.UnixEpoch.AddMilliseconds(Reader.ReadDateTime());
break;
case "tz":
TZ = TimeSpan.Parse(Reader.ReadString());
break;
}
}
Reader.ReadEndDocument();
return(new DateTimeOffset(TP, TZ));
case BsonType.MinKey: Reader.ReadMinKey(); return(DateTimeOffset.MinValue);
case BsonType.MaxKey: Reader.ReadMaxKey(); return(DateTimeOffset.MaxValue);
default:
throw new ArgumentException("Expected a date & time value with offset, but was a " +
FieldDataType.ToString() + ".", nameof(FieldDataType));
}
}
/// <summary>
/// Reads a date & time value.
/// </summary>
/// <param name="Reader">Binary reader.</param>
/// <param name="FieldDataType">Field data type.</param>
/// <returns>DateTime value.</returns>
/// <exception cref="ArgumentException">If the <paramref name="FieldDataType"/> was invalid.</exception>
public static DateTime ReadDateTime(IBsonReader Reader, BsonType FieldDataType)
{
switch (FieldDataType)
{
case BsonType.DateTime: return(ObjectSerializer.UnixEpoch.AddMilliseconds(Reader.ReadDateTime()));
case BsonType.String: return(DateTime.Parse(Reader.ReadString()));
case BsonType.MinKey: Reader.ReadMinKey(); return(DateTime.MinValue);
case BsonType.MaxKey: Reader.ReadMaxKey(); return(DateTime.MaxValue);
default:
throw new ArgumentException("Expected a date & time value, but was a " +
FieldDataType.ToString() + ".", nameof(FieldDataType));
}
}
/// <summary>
/// Deserializes an object from a binary source.
/// </summary>
/// <param name="Reader">Binary deserializer.</param>
/// <param name="DataType">Optional datatype. If not provided, will be read from the binary source.</param>
/// <param name="Embedded">If the object is embedded into another.</param>
/// <returns>Deserialized object.</returns>
public override object Deserialize(IBsonReader Reader, BsonType?DataType, bool Embedded)
{
if (!DataType.HasValue)
{
DataType = Reader.ReadBsonType();
}
switch (DataType.Value)
{
case BsonType.String: return(TimeSpan.Parse(Reader.ReadString()));
case BsonType.MinKey: Reader.ReadMinKey(); return(TimeSpan.MinValue);
case BsonType.MaxKey: Reader.ReadMaxKey(); return(TimeSpan.MaxValue);
case BsonType.Null: Reader.ReadNull(); return(null);
default: throw new Exception("Expected a TimeSpan value.");
}
}
/// <summary>
/// Deserializes an object from a binary source.
/// </summary>
/// <param name="Reader">Binary deserializer.</param>
/// <param name="DataType">Optional datatype. If not provided, will be read from the binary source.</param>
/// <param name="Embedded">If the object is embedded into another.</param>
/// <returns>Deserialized object.</returns>
public override object Deserialize(IBsonReader Reader, BsonType?DataType, bool Embedded)
{
if (!DataType.HasValue)
{
DataType = Reader.ReadBsonType();
}
switch (DataType.Value)
{
case BsonType.DateTime: return((DateTime?)ObjectSerializer.UnixEpoch.AddMilliseconds(Reader.ReadDateTime()));
case BsonType.String: return((DateTime?)DateTime.Parse(Reader.ReadString()));
case BsonType.MinKey: Reader.ReadMinKey(); return((DateTime?)DateTime.MinValue);
case BsonType.MaxKey: Reader.ReadMaxKey(); return((DateTime?)DateTime.MaxValue);
case BsonType.Null: Reader.ReadNull(); return(null);
default: throw new Exception("Expected a nullable DateTime value.");
}
}
/// <summary>
/// Reads a boolean value.
/// </summary>
/// <param name="Reader">Binary reader.</param>
/// <param name="FieldDataType">Field data type.</param>
/// <returns>Boolean value.</returns>
/// <exception cref="ArgumentException">If the <paramref name="FieldDataType"/> was invalid.</exception>
public static bool ReadBoolean(IBsonReader Reader, BsonType FieldDataType)
{
switch (FieldDataType)
{
case BsonType.Boolean: return(Reader.ReadBoolean());
case BsonType.Decimal128: return(Reader.ReadDecimal128() != 0);
case BsonType.Double: return(Reader.ReadDouble() != 0);
case BsonType.Int32: return(Reader.ReadInt32() != 0);
case BsonType.Int64: return(Reader.ReadInt64() != 0);
case BsonType.MinKey: Reader.ReadMinKey(); return(false);
case BsonType.MaxKey: Reader.ReadMaxKey(); return(true);
default:
throw new ArgumentException("Expected a boolean value, but was a " + FieldDataType.ToString() + ".", nameof(FieldDataType));
}
}
/// <summary>
/// Reads a BSON MinKey element from the reader.
/// </summary>
/// <param name="reader">The reader.</param>
/// <param name="name">The name of the element.</param>
public static void ReadMinKey(this IBsonReader reader, string name)
{
VerifyName(reader, name);
reader.ReadMinKey();
}
// private methods
private void ReadValue()
{
object jsonDotNetValue;
switch (_wrappedReader.GetCurrentBsonType())
{
case BsonType.Array:
_wrappedReader.ReadStartArray();
SetCurrentToken(Newtonsoft.Json.JsonToken.StartArray);
return;
case BsonType.Binary:
var bsonBinaryData = _wrappedReader.ReadBinaryData();
switch (bsonBinaryData.SubType)
{
case BsonBinarySubType.UuidLegacy:
var guidRepresentation = GuidRepresentation.Unspecified;
var bsonReader = _wrappedReader as BsonReader;
if (bsonReader != null)
{
guidRepresentation = bsonReader.Settings.GuidRepresentation;
}
jsonDotNetValue = GuidConverter.FromBytes(bsonBinaryData.Bytes, guidRepresentation);
break;
case BsonBinarySubType.UuidStandard:
jsonDotNetValue = GuidConverter.FromBytes(bsonBinaryData.Bytes, GuidRepresentation.Standard);
break;
default:
jsonDotNetValue = bsonBinaryData.Bytes;
break;
}
SetCurrentToken(Newtonsoft.Json.JsonToken.Bytes, jsonDotNetValue, bsonBinaryData);
return;
case BsonType.Boolean:
var booleanValue = _wrappedReader.ReadBoolean();
SetCurrentToken(Newtonsoft.Json.JsonToken.Boolean, booleanValue, (BsonBoolean)booleanValue);
return;
case BsonType.DateTime:
var bsonDateTime = new BsonDateTime(_wrappedReader.ReadDateTime());
if (bsonDateTime.IsValidDateTime)
{
jsonDotNetValue = bsonDateTime.ToUniversalTime();
}
else
{
jsonDotNetValue = bsonDateTime.MillisecondsSinceEpoch;
}
SetCurrentToken(Newtonsoft.Json.JsonToken.Date, jsonDotNetValue, bsonDateTime);
return;
case BsonType.Document:
_wrappedReader.ReadStartDocument();
SetCurrentToken(Newtonsoft.Json.JsonToken.StartObject);
return;
case BsonType.Double:
var bsonDouble = new BsonDouble(_wrappedReader.ReadDouble());
switch (FloatParseHandling)
{
case Newtonsoft.Json.FloatParseHandling.Decimal:
jsonDotNetValue = Convert.ToDecimal(bsonDouble);
break;
case Newtonsoft.Json.FloatParseHandling.Double:
jsonDotNetValue = bsonDouble.Value;
break;
default:
throw new NotSupportedException(string.Format("Unexpected FloatParseHandling value: {0}.", FloatParseHandling));
}
SetCurrentToken(Newtonsoft.Json.JsonToken.Float, jsonDotNetValue, bsonDouble);
return;
case BsonType.Int32:
var bsonInt32 = (BsonInt32)_wrappedReader.ReadInt32();
SetCurrentToken(Newtonsoft.Json.JsonToken.Integer, (long)bsonInt32.Value, bsonInt32);
return;
case BsonType.Int64:
var bsonInt64 = (BsonInt64)_wrappedReader.ReadInt64();
SetCurrentToken(Newtonsoft.Json.JsonToken.Integer, bsonInt64.Value, bsonInt64);
return;
case BsonType.JavaScript:
{
var code = _wrappedReader.ReadJavaScript();
var bsonJavaScript = new BsonJavaScript(code);
SetCurrentToken(Newtonsoft.Json.JsonToken.String, code, bsonJavaScript);
}
return;
case BsonType.JavaScriptWithScope:
{
var code = _wrappedReader.ReadJavaScriptWithScope();
var context = BsonDeserializationContext.CreateRoot(_wrappedReader);
var scope = BsonDocumentSerializer.Instance.Deserialize <BsonDocument>(context);
var bsonJavaScriptWithScope = new BsonJavaScriptWithScope(code, scope);
SetCurrentToken(Newtonsoft.Json.JsonToken.String, code, bsonJavaScriptWithScope);
}
return;
case BsonType.MaxKey:
_wrappedReader.ReadMaxKey();
SetCurrentToken(Newtonsoft.Json.JsonToken.Undefined, null, BsonMaxKey.Value);
return;
case BsonType.MinKey:
_wrappedReader.ReadMinKey();
SetCurrentToken(Newtonsoft.Json.JsonToken.Undefined, null, BsonMinKey.Value);
return;
case BsonType.Null:
_wrappedReader.ReadNull();
SetCurrentToken(Newtonsoft.Json.JsonToken.Null, null, BsonNull.Value);
return;
case BsonType.ObjectId:
var bsonObjectId = new BsonObjectId(_wrappedReader.ReadObjectId());
SetCurrentToken(Newtonsoft.Json.JsonToken.Bytes, bsonObjectId.Value.ToByteArray(), bsonObjectId);
return;
case BsonType.RegularExpression:
var bsonRegularExpression = _wrappedReader.ReadRegularExpression();
var pattern = bsonRegularExpression.Pattern;
var options = bsonRegularExpression.Options;
jsonDotNetValue = "/" + pattern.Replace("/", "\\/") + "/" + options;
SetCurrentToken(Newtonsoft.Json.JsonToken.String, jsonDotNetValue, bsonRegularExpression);
return;
case BsonType.String:
var stringValue = _wrappedReader.ReadString();
SetCurrentToken(Newtonsoft.Json.JsonToken.String, stringValue, (BsonString)stringValue);
return;
case BsonType.Symbol:
var bsonSymbol = BsonSymbolTable.Lookup(_wrappedReader.ReadSymbol());
SetCurrentToken(Newtonsoft.Json.JsonToken.String, bsonSymbol.Name, bsonSymbol);
return;
case BsonType.Timestamp:
var bsonTimestamp = new BsonTimestamp(_wrappedReader.ReadTimestamp());
SetCurrentToken(Newtonsoft.Json.JsonToken.Integer, bsonTimestamp.Value, bsonTimestamp);
return;
case BsonType.Undefined:
_wrappedReader.ReadUndefined();
SetCurrentToken(Newtonsoft.Json.JsonToken.Undefined, null, BsonUndefined.Value);
return;
default:
var message = string.Format("Unexpected BsonType: {0}.", _wrappedReader.GetCurrentBsonType());
throw new Newtonsoft.Json.JsonReaderException(message);
}
}
public void TestMinKeyKeyword()
{
var json = "MinKey";
using (_bsonReader = new JsonReader(json))
{
Assert.Equal(BsonType.MinKey, _bsonReader.ReadBsonType());
_bsonReader.ReadMinKey();
Assert.Equal(BsonReaderState.Initial, _bsonReader.State);
}
Assert.Equal(json, BsonSerializer.Deserialize<BsonMinKey>(new StringReader(json)).ToJson());
}
public void TestMinKeyExtendedJsonWithCapitalK()
{
var json = "{ \"$minKey\" : 1 }";
using (_bsonReader = new JsonReader(json))
{
Assert.Equal(BsonType.MinKey, _bsonReader.ReadBsonType());
_bsonReader.ReadMinKey();
Assert.Equal(BsonReaderState.Initial, _bsonReader.State);
}
var canonicalJson = "MinKey";
Assert.Equal(canonicalJson, BsonSerializer.Deserialize<BsonMinKey>(new StringReader(json)).ToJson());
}
