// 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)
{
if (bsonReader.GetCurrentBsonType() == BsonType.Null)
{
bsonReader.ReadNull();
return null;
}
else
{
bsonReader.ReadStartDocument();
DeserializeType(bsonReader, "link");
bsonReader.ReadName("properties");
bsonReader.ReadStartDocument();
var href = bsonReader.ReadString("href");
string hrefType = null;
if (bsonReader.ReadBsonType() != BsonType.EndOfDocument)
{
hrefType = bsonReader.ReadString("type");
}
bsonReader.ReadEndDocument();
bsonReader.ReadEndDocument();
return new GeoJsonLinkedCoordinateReferenceSystem(href, hrefType);
}
}
// 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(BsonNull));
var bsonType = bsonReader.GetCurrentBsonType();
string message;
switch (bsonType)
{
case BsonType.Null:
bsonReader.ReadNull();
return BsonNull.Value;
case BsonType.Document:
bsonReader.ReadStartDocument();
var name = bsonReader.ReadName();
if (name == "_csharpnull" || name == "$csharpnull")
{
var csharpNull = bsonReader.ReadBoolean();
bsonReader.ReadEndDocument();
return csharpNull ? null : BsonNull.Value;
}
else
{
message = string.Format("Unexpected element name while deserializing a BsonNull: {0}.", name);
throw new FileFormatException(message);
}
default:
message = string.Format("Cannot deserialize BsonNull 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(CultureInfo));
var bsonType = bsonReader.GetCurrentBsonType();
switch (bsonType)
{
case BsonType.Null:
bsonReader.ReadNull();
return null;
case BsonType.Document:
bsonReader.ReadStartDocument();
var name = bsonReader.ReadString("Name");
var useUserOverride = bsonReader.ReadBoolean("UseUserOverride");
bsonReader.ReadEndDocument();
return new CultureInfo(name, useUserOverride);
case BsonType.String:
return new CultureInfo(bsonReader.ReadString());
default:
var message = string.Format("Cannot deserialize CultureInfo from BsonType {0}.", bsonType);
throw new FileFormatException(message);
}
}
/// <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="options">The serialization options.</param>
/// <returns>An object.</returns>
public override object Deserialize(
BsonReader bsonReader,
Type nominalType,
IBsonSerializationOptions options
) {
if (nominalType != typeof(object)) {
var message = string.Format("ObjectSerializer called for nominal type {0}.", nominalType.FullName);
throw new InvalidOperationException(message);
}
var bsonType = bsonReader.CurrentBsonType;
if (bsonType == BsonType.Null) {
bsonReader.ReadNull();
return null;
} else if (bsonType == BsonType.Document) {
var bookmark = bsonReader.GetBookmark();
bsonReader.ReadStartDocument();
if (bsonReader.ReadBsonType() == BsonType.EndOfDocument) {
bsonReader.ReadEndDocument();
return new object();
} else {
bsonReader.ReturnToBookmark(bookmark);
}
}
var discriminatorConvention = BsonDefaultSerializer.LookupDiscriminatorConvention(typeof(object));
var actualType = discriminatorConvention.GetActualType(bsonReader, typeof(object));
if (actualType == typeof(object)) {
var message = string.Format("Unable to determine actual type of object to deserialize. NominalType is System.Object and BsonType is {0}.", bsonType);
throw new FileFormatException(message);
}
var serializer = BsonSerializer.LookupSerializer(actualType);
return serializer.Deserialize(bsonReader, nominalType, actualType, null);
}
// 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(DateTimeOffset));
BsonType bsonType = bsonReader.GetCurrentBsonType();
long ticks;
TimeSpan offset;
switch (bsonType)
{
case BsonType.Array:
bsonReader.ReadStartArray();
ticks = bsonReader.ReadInt64();
offset = TimeSpan.FromMinutes(bsonReader.ReadInt32());
bsonReader.ReadEndArray();
return new DateTimeOffset(ticks, offset);
case BsonType.Document:
bsonReader.ReadStartDocument();
bsonReader.ReadDateTime("DateTime"); // ignore value
ticks = bsonReader.ReadInt64("Ticks");
offset = TimeSpan.FromMinutes(bsonReader.ReadInt32("Offset"));
bsonReader.ReadEndDocument();
return new DateTimeOffset(ticks, offset);
case BsonType.String:
return XmlConvert.ToDateTimeOffset(bsonReader.ReadString());
default:
var message = string.Format("Cannot deserialize DateTimeOffset from BsonType {0}.", bsonType);
throw new Exception(message);
}
}
#pragma warning disable 618 // about obsolete BsonBinarySubType.OldBinary
public override object Deserialize(
BsonReader bsonReader,
Type nominalType,
IBsonSerializationOptions options
) {
BsonType bsonType = bsonReader.CurrentBsonType;
BitArray bitArray;
byte[] bytes;
BsonBinarySubType subType;
string message;
switch (bsonType) {
case BsonType.Null:
bsonReader.ReadNull();
return null;
case BsonType.Binary:
bsonReader.ReadBinaryData(out bytes, out subType);
if (subType != BsonBinarySubType.Binary && subType != BsonBinarySubType.OldBinary) {
message = string.Format("Invalid Binary sub type: {0}", subType);
throw new FileFormatException(message);
}
return new BitArray(bytes);
case BsonType.Document:
bsonReader.ReadStartDocument();
var length = bsonReader.ReadInt32("Length");
bsonReader.ReadBinaryData("Bytes", out bytes, out subType);
if (subType != BsonBinarySubType.Binary && subType != BsonBinarySubType.OldBinary) {
message = string.Format("Invalid Binary sub type: {0}", subType);
throw new FileFormatException(message);
}
bsonReader.ReadEndDocument();
bitArray = new BitArray(bytes);
bitArray.Length = length;
return bitArray;
case BsonType.String:
var s = bsonReader.ReadString();
bitArray = new BitArray(s.Length);
for (int i = 0; i < s.Length; i++) {
var c = s[i];
switch (c) {
case '0':
break;
case '1':
bitArray[i] = true;
break;
default:
throw new FileFormatException("String value is not a valid BitArray");
}
}
return bitArray;
default:
message = string.Format("Cannot deserialize Byte[] from BsonType: {0}", bsonType);
throw new FileFormatException(message);
}
}
// public methods
public override object Deserialize(BsonReader bsonReader, Type nominalType, Type actualType, IBsonSerializationOptions options)
{
if (bsonReader.GetCurrentBsonType() == BsonType.Null)
{
bsonReader.ReadNull();
return null;
}
else
{
bsonReader.ReadStartDocument();
DeserializeType(bsonReader, "name");
bsonReader.ReadName("properties");
bsonReader.ReadStartDocument();
var name = bsonReader.ReadString("name");
bsonReader.ReadEndDocument();
bsonReader.ReadEndDocument();
return new GeoJsonNamedCoordinateReferenceSystem(name);
}
}
public override object Deserialize(BsonReader bsonReader, System.Type nominalType, System.Type actualType, IBsonSerializationOptions options)
{
bsonReader.ReadStartDocument();
var min = ReadVector(bsonReader, "Min");
var max = ReadVector(bsonReader, "Max");
var width = bsonReader.ReadDouble("Width");
var height = bsonReader.ReadDouble("Height");
bsonReader.ReadEndDocument();
return new Rectangle(min, max);
}
public override object Deserialize(BsonReader bsonReader, Type nominalType, Type actualType, IBsonSerializationOptions options)
{
if (_trace)
pb.Trace.WriteLine("OXmlSimpleFieldElementSerializer.Deserialize()");
VerifyTypes(nominalType, actualType, typeof(OXmlSimpleFieldElement));
var bsonType = bsonReader.GetCurrentBsonType();
if (bsonType != BsonType.Document)
throw new PBException($"deserialize OXmlSimpleFieldElement, invalid BsonType {bsonType}.");
bsonReader.ReadStartDocument();
object value = _Deserialize(bsonReader, options);
bsonReader.ReadEndDocument();
return value;
}
// public methods
#pragma warning disable 618 // about obsolete BsonBinarySubType.OldBinary
/// <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(BitArray));
BsonType bsonType = bsonReader.GetCurrentBsonType();
BitArray bitArray;
switch (bsonType)
{
case BsonType.Null:
bsonReader.ReadNull();
return null;
case BsonType.Binary:
return new BitArray(bsonReader.ReadBytes());
case BsonType.Document:
bsonReader.ReadStartDocument();
var length = bsonReader.ReadInt32("Length");
var bytes = bsonReader.ReadBytes("Bytes");
bsonReader.ReadEndDocument();
bitArray = new BitArray(bytes);
bitArray.Length = length;
return bitArray;
case BsonType.String:
var s = bsonReader.ReadString();
bitArray = new BitArray(s.Length);
for (int i = 0; i < s.Length; i++)
{
var c = s[i];
switch (c)
{
case '0':
break;
case '1':
bitArray[i] = true;
break;
default:
throw new FileFormatException("String value is not a valid BitArray.");
}
}
return bitArray;
default:
var message = string.Format("Cannot deserialize Byte[] from BsonType {0}.", bsonType);
throw new FileFormatException(message);
}
}
static PSObject ReadCustomObject(BsonReader bsonReader)
{
var ps = new PSObject();
var properties = ps.Properties;
bsonReader.ReadStartDocument();
while (bsonReader.ReadBsonType() != BsonType.EndOfDocument)
{
var name = bsonReader.ReadName();
var value = ReadObject(bsonReader);
properties.Add(new PSNoteProperty(name, value), true); //! true is faster
}
bsonReader.ReadEndDocument();
return ps;
}
public override object Deserialize(
BsonReader bsonReader,
Type nominalType,
Type actualType,
IBsonSerializationOptions options)
{
var bsonType = bsonReader.GetCurrentBsonType();
if (bsonType == BsonType.Null)
{
bsonReader.ReadNull();
return null;
}
else if (bsonType == BsonType.Document)
{
var dictionary = CreateInstance(nominalType);
bsonReader.ReadStartDocument();
var discriminatorConvention = BsonSerializer.LookupDiscriminatorConvention(typeof(object));
while (bsonReader.ReadBsonType() != BsonType.EndOfDocument)
{
var key = bsonReader.ReadName();
//TODO:对键进行字符串留用.Intern.
if (key.Length < 16)
{
key = String.Intern(key);
}
var valueType = discriminatorConvention.GetActualType(bsonReader, typeof(object));
var valueSerializer = BsonSerializer.LookupSerializer(valueType);
var value = valueSerializer.Deserialize(bsonReader, typeof(object), valueType, null);
//dictionary.Add(key, value);
if (dictionary is IDictionary<string, object>)
{
((IDictionary<string, object>)dictionary).Add(key, value);
}
else if (dictionary is IDictionary)
{
((IDictionary)dictionary).Add(key, value);
}
}
bsonReader.ReadEndDocument();
return dictionary;
}
else
{
var message = string.Format("Can't deserialize a {0} from BsonType {1}", nominalType.FullName, bsonType);
throw new FileFormatException(message);
}
}
/// <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, // ignored
IBsonSerializationOptions options
) {
var bsonType = bsonReader.CurrentBsonType;
if (bsonType == BsonType.Null) {
bsonReader.ReadNull();
return null;
} else if (bsonType == BsonType.Document) {
var dictionary = CreateInstance(nominalType);
bsonReader.ReadStartDocument();
var discriminatorConvention = BsonDefaultSerializer.LookupDiscriminatorConvention(typeof(object));
while (bsonReader.ReadBsonType() != BsonType.EndOfDocument) {
var key = bsonReader.ReadName();
var valueType = discriminatorConvention.GetActualType(bsonReader, typeof(object));
var valueSerializer = BsonSerializer.LookupSerializer(valueType);
var value = valueSerializer.Deserialize(bsonReader, typeof(object), valueType, null);
dictionary.Add(key, value);
}
bsonReader.ReadEndDocument();
return dictionary;
} else if (bsonType == BsonType.Array) {
var dictionary = CreateInstance(nominalType);
bsonReader.ReadStartArray();
var discriminatorConvention = BsonDefaultSerializer.LookupDiscriminatorConvention(typeof(object));
while (bsonReader.ReadBsonType() != BsonType.EndOfDocument) {
bsonReader.ReadStartArray();
bsonReader.ReadBsonType();
var keyType = discriminatorConvention.GetActualType(bsonReader, typeof(object));
var keySerializer = BsonSerializer.LookupSerializer(keyType);
var key = keySerializer.Deserialize(bsonReader, typeof(object), keyType, null);
bsonReader.ReadBsonType();
var valueType = discriminatorConvention.GetActualType(bsonReader, typeof(object));
var valueSerializer = BsonSerializer.LookupSerializer(valueType);
var value = valueSerializer.Deserialize(bsonReader, typeof(object), valueType, null);
bsonReader.ReadEndArray();
dictionary.Add(key, value);
}
bsonReader.ReadEndArray();
return dictionary;
} else {
var message = string.Format("Can't deserialize a {0} from BsonType {1}.", nominalType.FullName, bsonType);
throw new FileFormatException(message);
}
}
public override object Deserialize(
BsonReader bsonReader,
Type nominalType,
IBsonSerializationOptions options
)
{
var nvc = new NameValueCollection();
bsonReader.ReadStartDocument();
while (bsonReader.ReadBsonType() != BsonType.EndOfDocument)
{
var name = bsonReader.ReadName().Replace("__period__", ".");
var value = bsonReader.ReadString();
nvc.Add(name, value);
}
bsonReader.ReadEndDocument();
return nvc;
}
public override object Deserialize( BsonReader bsonReader, Type nominalType, IBsonSerializationOptions options )
{
BsonType bsonType = bsonReader.CurrentBsonType;
object result;
if( bsonType == BsonType.Null )
{
bsonReader.ReadNull();
result = null;
}
else
{
if( bsonType == BsonType.Document )
{
var dictionary = new DynamicDictionary();
bsonReader.ReadStartDocument();
IDiscriminatorConvention valueDiscriminatorConvention = BsonSerializer.LookupDiscriminatorConvention( typeof( object ) );
while( bsonReader.ReadBsonType() != BsonType.EndOfDocument )
{
string key = bsonReader.ReadName();
Type valueType = valueDiscriminatorConvention.GetActualType( bsonReader, typeof( object ) );
IBsonSerializer valueSerializer = BsonSerializer.LookupSerializer( valueType );
object value = valueSerializer.Deserialize( bsonReader, typeof( object ), valueType, null );
if( key != "_t" )
{
dictionary.Add( key.Replace( '\x03', '.' ), value );
}
}
bsonReader.ReadEndDocument();
result = dictionary;
}
else
{
string message = string.Format( "Can't deserialize a {0} from BsonType {1}.", nominalType.FullName, bsonType );
throw new BsonException( message );
}
}
return result;
}
// 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(DateTimeOffset));
var dateTimeSerializationOptions = EnsureSerializationOptions<DateTimeSerializationOptions>(options);
var bsonType = bsonReader.GetCurrentBsonType();
DateTimeOffset value;
switch (bsonType)
{
case BsonType.DateTime:
// use an intermediate BsonDateTime so MinValue and MaxValue are handled correctly
value = (new BsonDateTime(bsonReader.ReadDateTime())).ToUniversalTime();
break;
case BsonType.Document:
bsonReader.ReadStartDocument();
bsonReader.ReadDateTime("DateTimeUTC"); // ignore value (use Ticks instead)
value = new DateTime(bsonReader.ReadInt64("Ticks"), DateTimeKind.Utc);
bsonReader.ReadEndDocument();
break;
case BsonType.Int64:
value = new DateTime(bsonReader.ReadInt64(), DateTimeKind.Utc);
break;
case BsonType.String:
// note: we're not using XmlConvert because of bugs in Mono
if (dateTimeSerializationOptions.DateOnly)
{
value = DateTime.SpecifyKind(DateTime.ParseExact(bsonReader.ReadString(), "yyyy-MM-dd", null), DateTimeKind.Utc);
}
else
{
var formats = new string[] { "yyyy-MM-ddK", "yyyy-MM-ddTHH:mm:ssK", "yyyy-MM-ddTHH:mm:ss.FFFFFFFK" };
value = DateTime.ParseExact(bsonReader.ReadString(), formats, null, DateTimeStyles.AdjustToUniversal | DateTimeStyles.AssumeUniversal);
}
break;
default:
var message = string.Format("Cannot deserialize DateTimeOffset from BsonType {0}.", bsonType);
throw new FormatException(message);
}
return value;
}
public override object Deserialize(BsonReader bsonReader, Type nominalType, Type actualType, IBsonSerializationOptions options)
{
if (_trace)
pb.Trace.WriteLine("OXmlParagraphElementSerializer.Deserialize()");
VerifyTypes(nominalType, actualType, typeof(OXmlParagraphElement));
var bsonType = bsonReader.GetCurrentBsonType();
if (bsonType != BsonType.Document)
throw new PBException($"deserialize OXmlParagraphElement, invalid BsonType {bsonType}.");
bsonReader.ReadStartDocument();
//string type = bsonReader.FindStringElement("Type");
//if (type.ToLower() != "paragraph")
// throw new PBException($"error deserialize OXmlParagraphElement, invalid Type {type}.");
object value = _Deserialize(bsonReader, options);
bsonReader.ReadEndDocument();
return value;
}
static object Deserialize(BsonReader bsonReader)
{
var currentBsonType = bsonReader.GetCurrentBsonType();
switch (currentBsonType)
{
case BsonType.Null:
return null;
case BsonType.Document:
bsonReader.ReadStartDocument();
var hour = bsonReader.ReadInt32("Hour");
var minute = bsonReader.ReadInt32("Minute");
var second = bsonReader.ReadInt32("Second");
bsonReader.ReadEndDocument();
return new TimeOfDay(hour, minute, second);
default:
throw new NotSupportedException(
string.Format("Bson type : {0} is not supported for TimeOfDay type property", currentBsonType));
}
}
public object Deserialize(BsonReader bsonReader, Type nominalType, Type actualType, IBsonSerializationOptions options)
{
bsonReader.ReadStartDocument();
bsonReader.ReadName();
var typeName = bsonReader.ReadString();
bsonReader.ReadName();
var methodSignature = bsonReader.ReadString();
bsonReader.ReadEndDocument();
var type = Type.GetType(typeName);
if (type != null)
{
var method = type.GetMethods().Where(m => GetMethodSignature(m) == methodSignature).SingleOrDefault();
return method;
}
return null;
}
// public methods
/// <summary>
/// Deserializes an object of type System.Drawing.Size 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(System.Drawing.Size));
var bsonType = bsonReader.GetCurrentBsonType();
switch (bsonType)
{
case BsonType.Document:
bsonReader.ReadStartDocument();
var width = bsonReader.ReadInt32("Width");
var height = bsonReader.ReadInt32("Height");
bsonReader.ReadEndDocument();
return new System.Drawing.Size(width, height);
default:
var message = string.Format("Cannot deserialize Size from BsonType {0}.", bsonType);
throw new FileFormatException(message);
}
}
public override object Deserialize(BsonReader bsonReader, Type nominalType, IBsonSerializationOptions options)
{
dynamic item = new ebayItemDataForSeller();
IDictionary<String, Object> dict = new Dictionary<String, Object>();
bsonReader.ReadStartDocument();
while (bsonReader.ReadBsonType() != BsonType.EndOfDocument)
{
var elementName = bsonReader.ReadName();
var pi = nominalType.GetProperty(elementName);
if (pi != null)
{
dynamic data = null;
if (bsonReader.CurrentBsonType.Equals(BsonType.Null))
{
bsonReader.ReadNull();
}
else
{
data = BsonDefaultSerializer.Instance.GetSerializer(pi.PropertyType).Deserialize(bsonReader, pi.PropertyType, options);
this.GetType().GetProperty(pi.Name).SetValue(item, data, null);
}
}
else
{
if (bsonReader.CurrentBsonType.Equals(BsonType.Null))
{
bsonReader.SkipValue();
}
else dict[elementName] = bsonReader.ReadString();
}
}
bsonReader.ReadEndDocument();
item.SetDynamics(dict);
return this;
}
public override object Deserialize(
BsonReader bsonReader,
Type nominalType
)
{
if (nominalType != typeof(object)) {
var message = string.Format("ObjectSerializer called for type: {0}", nominalType.FullName);
throw new InvalidOperationException(message);
}
var bsonType = bsonReader.CurrentBsonType;
if (bsonType == BsonType.Null) {
bsonReader.ReadNull();
return null;
} else if (bsonType == BsonType.Document) {
var bookmark = bsonReader.GetBookmark();
bsonReader.ReadStartDocument();
switch (bsonReader.ReadBsonType()) {
case BsonType.EndOfDocument:
bsonReader.ReadEndDocument();
return new object();
default:
bsonReader.ReturnToBookmark(bookmark);
var discriminatorConvention = BsonDefaultSerializer.LookupDiscriminatorConvention(typeof(object));
var actualType = discriminatorConvention.GetActualType(bsonReader, typeof(object));
if (actualType == typeof(object)) {
throw new BsonSerializationException("Unable to determine actual type of document to deserialize");
}
var serializer = BsonSerializer.LookupSerializer(actualType);
return serializer.Deserialize(bsonReader, nominalType, actualType);
}
} else {
var message = string.Format("Cannot deserialize an object from BsonType: {0}", bsonType);
throw new FileFormatException(message);
}
}
#pragma warning disable 618 // about obsolete BsonBinarySubType.OldBinary
public override object Deserialize(
BsonReader bsonReader,
Type nominalType
) {
BsonType bsonType = bsonReader.CurrentBsonType;
if (bsonType == BsonType.Null) {
bsonReader.ReadNull();
return null;
} else if (bsonType == BsonType.Binary) {
byte[] bytes;
BsonBinarySubType subType;
bsonReader.ReadBinaryData(out bytes, out subType);
if (subType != BsonBinarySubType.Binary && subType != BsonBinarySubType.OldBinary) {
var message = string.Format("Invalid Binary sub type: {0}", subType);
throw new FileFormatException(message);
}
return new BitArray(bytes);
} else if (bsonType == BsonType.Document) {
bsonReader.ReadStartDocument();
var length = bsonReader.ReadInt32("Length");
byte[] bytes;
BsonBinarySubType subType;
bsonReader.ReadBinaryData("Bytes", out bytes, out subType);
if (subType != BsonBinarySubType.Binary && subType != BsonBinarySubType.OldBinary) {
var message = string.Format("Invalid Binary sub type: {0}", subType);
throw new FileFormatException(message);
}
bsonReader.ReadEndDocument();
var bitArray = new BitArray(bytes);
bitArray.Length = length;
return bitArray;
} else {
var message = string.Format("Cannot deserialize Byte[] from BsonType: {0}", bsonType);
throw new FileFormatException(message);
}
}
/// <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 object Deserialize(
BsonReader bsonReader,
Type nominalType,
Type actualType,
IBsonSerializationOptions options)
{
if (actualType != typeof(object))
{
var message = string.Format("ObjectSerializer can only be used with actual type System.Object, not type {0}.", actualType.FullName);
throw new ArgumentException(message, "actualType");
}
var bsonType = bsonReader.GetCurrentBsonType();
if (bsonType == BsonType.Null)
{
bsonReader.ReadNull();
return null;
}
else if (bsonType == BsonType.Document)
{
bsonReader.ReadStartDocument();
if (bsonReader.ReadBsonType() == BsonType.EndOfDocument)
{
bsonReader.ReadEndDocument();
return new object();
}
else
{
var message = string.Format("A document being deserialized to System.Object must be empty.");
throw new FileFormatException(message);
}
}
else
{
var message = string.Format("Cannot deserialize System.Object 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(DateTime));
var dateTimeSerializationOptions = EnsureSerializationOptions<DateTimeSerializationOptions>(options);
var bsonType = bsonReader.GetCurrentBsonType();
DateTime value;
switch (bsonType)
{
case BsonType.DateTime:
// use an intermediate BsonDateTime so MinValue and MaxValue are handled correctly
value = BsonDateTime.Create(bsonReader.ReadDateTime()).Value;
break;
case BsonType.Document:
bsonReader.ReadStartDocument();
bsonReader.ReadDateTime("DateTime"); // ignore value (use Ticks instead)
value = new DateTime(bsonReader.ReadInt64("Ticks"), DateTimeKind.Utc);
bsonReader.ReadEndDocument();
break;
case BsonType.Int64:
value = DateTime.SpecifyKind(new DateTime(bsonReader.ReadInt64()), DateTimeKind.Utc);
break;
case BsonType.String:
// note: we're not using XmlConvert because of bugs in Mono
if (dateTimeSerializationOptions.DateOnly)
{
value = DateTime.SpecifyKind(DateTime.ParseExact(bsonReader.ReadString(), "yyyy-MM-dd", null), DateTimeKind.Utc);
}
else
{
var formats = new string[] { "yyyy-MM-ddK", "yyyy-MM-ddTHH:mm:ssK", "yyyy-MM-ddTHH:mm:ss.FFFFFFFK" };
value = DateTime.ParseExact(bsonReader.ReadString(), formats, null, DateTimeStyles.AdjustToUniversal | DateTimeStyles.AssumeUniversal);
}
break;
default:
var message = string.Format("Cannot deserialize DateTime from BsonType {0}.", bsonType);
throw new FileFormatException(message);
}
if (dateTimeSerializationOptions.DateOnly)
{
if (value.TimeOfDay != TimeSpan.Zero)
{
throw new FileFormatException("TimeOfDay component for DateOnly DateTime value is not zero.");
}
value = DateTime.SpecifyKind(value, dateTimeSerializationOptions.Kind); // not ToLocalTime or ToUniversalTime!
}
else
{
switch (dateTimeSerializationOptions.Kind)
{
case DateTimeKind.Local:
case DateTimeKind.Unspecified:
value = DateTime.SpecifyKind(BsonUtils.ToLocalTime(value), dateTimeSerializationOptions.Kind);
break;
case DateTimeKind.Utc:
value = BsonUtils.ToUniversalTime(value);
break;
}
}
return value;
}
// 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)
{
var arraySerializationOptions = EnsureSerializationOptions<ArraySerializationOptions>(options);
var itemSerializationOptions = arraySerializationOptions.ItemSerializationOptions;
var bsonType = bsonReader.GetCurrentBsonType();
switch (bsonType)
{
case BsonType.Null:
bsonReader.ReadNull();
return null;
case BsonType.Array:
bsonReader.ReadStartArray();
var queue = new Queue();
var discriminatorConvention = BsonSerializer.LookupDiscriminatorConvention(typeof(object));
while (bsonReader.ReadBsonType() != BsonType.EndOfDocument)
{
var elementType = discriminatorConvention.GetActualType(bsonReader, typeof(object));
var serializer = BsonSerializer.LookupSerializer(elementType);
var element = serializer.Deserialize(bsonReader, typeof(object), elementType, itemSerializationOptions);
queue.Enqueue(element);
}
bsonReader.ReadEndArray();
return queue;
case BsonType.Document:
bsonReader.ReadStartDocument();
bsonReader.ReadString("_t"); // skip over discriminator
bsonReader.ReadName("_v");
var value = Deserialize(bsonReader, actualType, actualType, options);
bsonReader.ReadEndDocument();
return value;
default:
var message = string.Format("Can't deserialize a {0} from BsonType {1}.", nominalType.FullName, bsonType);
throw new FileFormatException(message);
}
}
// explicit interface implementation
object IBsonSerializable.Deserialize(BsonReader bsonReader, Type nominalType, IBsonSerializationOptions options)
{
if (bsonReader.CurrentBsonType == Bson.BsonType.Null)
{
bsonReader.ReadNull();
return null;
}
else
{
bsonReader.ReadStartDocument();
BsonType bsonType;
while ((bsonType = bsonReader.ReadBsonType()) != BsonType.EndOfDocument)
{
var name = bsonReader.ReadName();
switch (name)
{
case "abbreviated":
_abbreviated = bsonReader.ReadString();
break;
case "client":
_client = bsonReader.ReadString();
break;
case "command":
_command = BsonDocument.ReadFrom(bsonReader);
break;
case "cursorid":
_cursorId = BsonValue.ReadFrom(bsonReader).ToInt64();
break;
case "err":
_error = bsonReader.ReadString();
break;
case "exception":
_exception = bsonReader.ReadString();
break;
case "exceptionCode":
_exceptionCode = BsonValue.ReadFrom(bsonReader).ToInt32();
break;
case "exhaust":
_exhaust = BsonValue.ReadFrom(bsonReader).ToBoolean();
break;
case "fastmod":
_fastMod = BsonValue.ReadFrom(bsonReader).ToBoolean();
break;
case "fastmodinsert":
_fastModInsert = BsonValue.ReadFrom(bsonReader).ToBoolean();
break;
case "idhack":
_idHack = BsonValue.ReadFrom(bsonReader).ToBoolean();
break;
case "info":
_info = bsonReader.ReadString();
break;
case "keyUpdates":
_keyUpdates = BsonValue.ReadFrom(bsonReader).ToInt32();
break;
case "millis":
_duration = TimeSpan.FromMilliseconds(BsonValue.ReadFrom(bsonReader).ToDouble());
break;
case "moved":
_moved = BsonValue.ReadFrom(bsonReader).ToBoolean();
break;
case "nreturned":
_numberReturned = BsonValue.ReadFrom(bsonReader).ToInt32();
break;
case "ns":
_namespace = bsonReader.ReadString();
break;
case "nscanned":
_numberScanned = BsonValue.ReadFrom(bsonReader).ToInt32();
break;
case "ntoreturn":
_numberToReturn = BsonValue.ReadFrom(bsonReader).ToInt32();
break;
case "ntoskip":
_numberToSkip = BsonValue.ReadFrom(bsonReader).ToInt32();
break;
case "op":
_op = bsonReader.ReadString();
break;
case "query":
_query = BsonDocument.ReadFrom(bsonReader);
break;
case "responseLength":
_responseLength = BsonValue.ReadFrom(bsonReader).ToInt32();
break;
case "scanAndOrder":
_scanAndOrder = BsonValue.ReadFrom(bsonReader).ToBoolean();
break;
case "ts":
_timestamp = BsonUtils.ToDateTimeFromMillisecondsSinceEpoch(bsonReader.ReadDateTime());
break;
case "updateobj":
_updateObject = BsonDocument.ReadFrom(bsonReader);
break;
case "upsert":
_upsert = BsonValue.ReadFrom(bsonReader).ToBoolean();
break;
case "user":
_user = bsonReader.ReadString();
break;
default:
break; // ignore unknown elements
}
}
bsonReader.ReadEndDocument();
return this;
}
}
// 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(BsonDateTime));
var dateTimeSerializationOptions = EnsureSerializationOptions<DateTimeSerializationOptions>(options);
var bsonType = bsonReader.GetCurrentBsonType();
if (bsonType == BsonType.Null)
{
bsonReader.ReadNull();
return null;
}
else
{
long? millisecondsSinceEpoch = null;
long? ticks = null;
switch (bsonType)
{
case BsonType.DateTime:
millisecondsSinceEpoch = bsonReader.ReadDateTime();
break;
case BsonType.Document:
bsonReader.ReadStartDocument();
millisecondsSinceEpoch = bsonReader.ReadDateTime("DateTime");
bsonReader.ReadName("Ticks");
var ticksValue = BsonValue.ReadFrom(bsonReader);
if (!ticksValue.IsBsonUndefined)
{
ticks = ticksValue.ToInt64();
}
bsonReader.ReadEndDocument();
break;
case BsonType.Int64:
ticks = bsonReader.ReadInt64();
break;
case BsonType.String:
// note: we're not using XmlConvert because of bugs in Mono
DateTime dateTime;
if (dateTimeSerializationOptions.DateOnly)
{
dateTime = DateTime.SpecifyKind(DateTime.ParseExact(bsonReader.ReadString(), "yyyy-MM-dd", null), DateTimeKind.Utc);
}
else
{
var formats = new string[] { "yyyy-MM-ddK", "yyyy-MM-ddTHH:mm:ssK", "yyyy-MM-ddTHH:mm:ss.FFFFFFFK", };
dateTime = DateTime.ParseExact(bsonReader.ReadString(), formats, null, DateTimeStyles.AdjustToUniversal | DateTimeStyles.AssumeUniversal);
}
ticks = dateTime.Ticks;
break;
default:
var message = string.Format("Cannot deserialize DateTime from BsonType {0}.", bsonType);
throw new FileFormatException(message);
}
BsonDateTime bsonDateTime;
if (ticks.HasValue)
{
bsonDateTime = BsonDateTime.Create(new DateTime(ticks.Value, DateTimeKind.Utc));
}
else
{
bsonDateTime = BsonDateTime.Create(millisecondsSinceEpoch.Value);
}
if (dateTimeSerializationOptions.DateOnly)
{
var dateTime = bsonDateTime.Value;
if (dateTime.TimeOfDay != TimeSpan.Zero)
{
throw new FileFormatException("TimeOfDay component for DateOnly DateTime value is not zero.");
}
bsonDateTime = BsonDateTime.Create(DateTime.SpecifyKind(dateTime, dateTimeSerializationOptions.Kind)); // not ToLocalTime or ToUniversalTime!
}
else
{
if (bsonDateTime.IsValidDateTime)
{
var dateTime = bsonDateTime.Value;
switch (dateTimeSerializationOptions.Kind)
{
case DateTimeKind.Local:
case DateTimeKind.Unspecified:
dateTime = DateTime.SpecifyKind(BsonUtils.ToLocalTime(dateTime), dateTimeSerializationOptions.Kind);
break;
case DateTimeKind.Utc:
dateTime = BsonUtils.ToUniversalTime(dateTime);
break;
}
bsonDateTime = BsonDateTime.Create(dateTime);
}
else
{
if (dateTimeSerializationOptions.Kind != DateTimeKind.Utc)
{
throw new FileFormatException("BsonDateTime is outside the range of .NET DateTime.");
}
}
}
return bsonDateTime;
}
}
public void TestBookmark() {
var json = "{ \"x\" : 1, \"y\" : 2 }";
using (bsonReader = BsonReader.Create(json)) {
// do everything twice returning to bookmark in between
var bookmark = bsonReader.GetBookmark();
Assert.AreEqual(BsonType.Document, bsonReader.ReadBsonType());
bsonReader.ReturnToBookmark(bookmark);
Assert.AreEqual(BsonType.Document, bsonReader.ReadBsonType());
bookmark = bsonReader.GetBookmark();
bsonReader.ReadStartDocument();
bsonReader.ReturnToBookmark(bookmark);
bsonReader.ReadStartDocument();
bookmark = bsonReader.GetBookmark();
Assert.AreEqual(BsonType.Int32, bsonReader.ReadBsonType());
bsonReader.ReturnToBookmark(bookmark);
Assert.AreEqual(BsonType.Int32, bsonReader.ReadBsonType());
bookmark = bsonReader.GetBookmark();
Assert.AreEqual("x", bsonReader.ReadName());
bsonReader.ReturnToBookmark(bookmark);
Assert.AreEqual("x", bsonReader.ReadName());
bookmark = bsonReader.GetBookmark();
Assert.AreEqual(1, bsonReader.ReadInt32());
bsonReader.ReturnToBookmark(bookmark);
Assert.AreEqual(1, bsonReader.ReadInt32());
bookmark = bsonReader.GetBookmark();
Assert.AreEqual(BsonType.Int32, bsonReader.ReadBsonType());
bsonReader.ReturnToBookmark(bookmark);
Assert.AreEqual(BsonType.Int32, bsonReader.ReadBsonType());
bookmark = bsonReader.GetBookmark();
Assert.AreEqual("y", bsonReader.ReadName());
bsonReader.ReturnToBookmark(bookmark);
Assert.AreEqual("y", bsonReader.ReadName());
bookmark = bsonReader.GetBookmark();
Assert.AreEqual(2, bsonReader.ReadInt32());
bsonReader.ReturnToBookmark(bookmark);
Assert.AreEqual(2, bsonReader.ReadInt32());
bookmark = bsonReader.GetBookmark();
Assert.AreEqual(BsonType.EndOfDocument, bsonReader.ReadBsonType());
bsonReader.ReturnToBookmark(bookmark);
Assert.AreEqual(BsonType.EndOfDocument, bsonReader.ReadBsonType());
bookmark = bsonReader.GetBookmark();
bsonReader.ReadEndDocument();
bsonReader.ReturnToBookmark(bookmark);
bsonReader.ReadEndDocument();
Assert.AreEqual(BsonReaderState.Done, bsonReader.State);
}
Assert.AreEqual(json, BsonSerializer.Deserialize<BsonDocument>(new StringReader(json)).ToJson());
}
public void TestNestedDocument() {
var json = "{ \"a\" : { \"b\" : 1, \"c\" : 2 } }";
using (bsonReader = BsonReader.Create(json)) {
Assert.AreEqual(BsonType.Document, bsonReader.ReadBsonType());
bsonReader.ReadStartDocument();
Assert.AreEqual(BsonType.Document, bsonReader.ReadBsonType());
Assert.AreEqual("a", bsonReader.ReadName());
bsonReader.ReadStartDocument();
Assert.AreEqual("b", bsonReader.ReadName());
Assert.AreEqual(1, bsonReader.ReadInt32());
Assert.AreEqual("c", bsonReader.ReadName());
Assert.AreEqual(2, bsonReader.ReadInt32());
bsonReader.ReadEndDocument();
bsonReader.ReadEndDocument();
Assert.AreEqual(BsonReaderState.Done, bsonReader.State);
}
Assert.AreEqual(json, BsonSerializer.Deserialize<BsonDocument>(new StringReader(json)).ToJson());
}
