// 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(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);
            }
        }
        // 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 == "$csharpnull")
                    {
                        var csharpNull = bsonReader.ReadBoolean();
                        bsonReader.ReadEndDocument();
                        return csharpNull ? null : BsonNull.Value;
                    }
                    else
                    {
                        message = string.Format("Unexpected element name while deserializing a BsonNull: {0}.", name);
                        throw new FileFormatException(message);
                    }
                default:
                    message = string.Format("Cannot deserialize BsonNull from BsonType {0}.", bsonType);
                    throw new FileFormatException(message);
            }
        }
 private static OXmlPageSize ReadPageSize(BsonReader bsonReader)
 {
     bsonReader.ReadStartDocument();
     OXmlPageSize value = new OXmlPageSize();
     while (true)
     {
         BsonType bsonType = bsonReader.ReadBsonType();
         if (bsonType == BsonType.EndOfDocument)
             break;
         string name = bsonReader.ReadName();
         switch (name.ToLower())
         {
             case "width":
                 if (bsonType == BsonType.Null)
                     break;
                 if (bsonType != BsonType.Int32)
                     throw new PBException($"wrong PageSize width value {bsonType}");
                 value.Width = bsonReader.ReadInt32();
                 break;
             case "height":
                 if (bsonType == BsonType.Null)
                     break;
                 if (bsonType != BsonType.Int32)
                     throw new PBException($"wrong PageSize height value {bsonType}");
                 value.Height = bsonReader.ReadInt32();
                 break;
             default:
                 throw new PBException($"unknow PageSize value \"{name}\"");
         }
     }
     bsonReader.ReadEndDocument();
     return value;
 }
        /// <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 Type GetActualType(BsonReader bsonReader, Type nominalType)
 {
     var bookmark = bsonReader.GetBookmark();
     bsonReader.ReadStartDocument();
     var actualType = nominalType;
     if (bsonReader.FindElement("Type"))
     {
         var discriminator = BsonValue.ReadFrom(bsonReader);
         actualType = BsonSerializer.LookupActualType(nominalType, discriminator);
     }
     bsonReader.ReturnToBookmark(bookmark);
     return actualType;
 }
        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,
     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.SkipName();
             bsonReader.ReadStartArray();
             bsonReader.ReadBsonType();
             bsonReader.SkipName();
             var keyType = discriminatorConvention.GetActualType(bsonReader, typeof(object));
             var keySerializer = BsonSerializer.LookupSerializer(keyType);
             var key = keySerializer.Deserialize(bsonReader, typeof(object), keyType, null);
             bsonReader.ReadBsonType();
             bsonReader.SkipName();
             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, 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);
            }
        }
示例#14
0
        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;
        }
示例#15
0
 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);
     }
 }
        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 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, 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 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));
     }
 }
示例#21
0
        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 Type GetActualType(
     BsonReader bsonReader,
     Type nominalType
     ) {
     var bookmark = bsonReader.GetBookmark();
     bsonReader.ReadStartDocument();
     var actualType = nominalType;
     while(bsonReader.ReadBsonType() != BsonType.EndOfDocument) {
         var name = bsonReader.ReadName();
         if(name == "OnlyInB") {
             actualType = typeof(B);
             break;
         }
         else if(name == "OnlyInC") {
             actualType = typeof(C);
             break;
         }
         bsonReader.SkipValue();
     }
     bsonReader.ReturnToBookmark(bookmark);
     return actualType;
 }
        // 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(BsonDocument));

            var bsonType = bsonReader.GetCurrentBsonType();
            string message;
            switch (bsonType)
            {
                case BsonType.Document:
                    var documentSerializationOptions = (options ?? DocumentSerializationOptions.Defaults) as DocumentSerializationOptions;
                    if (documentSerializationOptions == null)
                    {
                        message = string.Format(
                            "Serialize method of BsonDocument expected serialization options of type {0}, not {1}.",
                            BsonUtils.GetFriendlyTypeName(typeof(DocumentSerializationOptions)),
                            BsonUtils.GetFriendlyTypeName(options.GetType()));
                        throw new BsonSerializationException(message);
                    }

                    bsonReader.ReadStartDocument();
                    var document = new BsonDocument(documentSerializationOptions.AllowDuplicateNames);
                    while (bsonReader.ReadBsonType() != BsonType.EndOfDocument)
                    {
                        var name = bsonReader.ReadName();
                        var value = (BsonValue)BsonValueSerializer.Instance.Deserialize(bsonReader, typeof(BsonValue), null);
                        document.Add(name, value);
                    }
                    bsonReader.ReadEndDocument();

                    return document;
                default:
                    message = string.Format("Cannot deserialize BsonDocument from BsonType {0}.", bsonType);
                    throw new FileFormatException(message);
            }
        }
        // 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);
            }
        }
        // private methods
        private Type GetActualType(BsonReader bsonReader)
        {
            var bookmark = bsonReader.GetBookmark();
            bsonReader.ReadStartDocument();
            if (bsonReader.FindElement("type"))
            {
                var type = bsonReader.ReadString();
                bsonReader.ReturnToBookmark(bookmark);

                switch (type)
                {
                    case "link": return typeof(GeoJsonLinkedCoordinateReferenceSystem);
                    case "name": return typeof(GeoJsonNamedCoordinateReferenceSystem);
                    default:
                        var message = string.Format("The type field of the GeoJsonCoordinateReferenceSystem is not valid: '{0}'.", type);
                        throw new FormatException(message);
                }
            }
            else
            {
                throw new FormatException("GeoJsonCoordinateReferenceSystem object is missing the type field.");
            }
        }
        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;
        }
 #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);
     }
 }
        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);
            }
        }
        // public methods
        /// <summary>
        /// Gets the actual type of an object by reading the discriminator from a BsonReader.
        /// </summary>
        /// <param name="bsonReader">The reader.</param>
        /// <param name="nominalType">The nominal type.</param>
        /// <returns>The actual type.</returns>
        public Type GetActualType(BsonReader bsonReader, Type nominalType)
        {
            // the BsonReader is sitting at the value whose actual type needs to be found
            var bsonType = bsonReader.GetCurrentBsonType();
            if (bsonType == BsonType.Document)
            {
                // ensure KnownTypes of nominalType are registered (so IsTypeDiscriminated returns correct answer)
                BsonSerializer.EnsureKnownTypesAreRegistered(nominalType);

                // we can skip looking for a discriminator if nominalType has no discriminated sub types
                if (BsonSerializer.IsTypeDiscriminated(nominalType))
                {
                    var bookmark = bsonReader.GetBookmark();
                    bsonReader.ReadStartDocument();
                    var actualType = nominalType;
                    if (bsonReader.FindElement(_elementName))
                    {
                        var context = BsonDeserializationContext.CreateRoot<BsonValue>(bsonReader);
                        var discriminator = BsonValueSerializer.Instance.Deserialize(context);
                        if (discriminator.IsBsonArray)
                        {
                            discriminator = discriminator.AsBsonArray.Last(); // last item is leaf class discriminator
                        }
                        actualType = BsonSerializer.LookupActualType(nominalType, discriminator);
                    }
                    bsonReader.ReturnToBookmark(bookmark);
                    return actualType;
                }
            }

            return nominalType;
        }
        // public methods
        /// <summary>
        /// Gets the actual type of an object by reading the discriminator from a BsonReader.
        /// </summary>
        /// <param name="bsonReader">The reader.</param>
        /// <param name="nominalType">The nominal type.</param>
        /// <returns>The actual type.</returns>
        public Type GetActualType(BsonReader bsonReader, Type nominalType)
        {
            // the BsonReader is sitting at the value whose actual type needs to be found
            var bsonType = bsonReader.CurrentBsonType;
            if (bsonReader.State == BsonReaderState.Value)
            {
                Type primitiveType = null;
                switch (bsonType)
                {
                    case BsonType.Boolean: primitiveType = typeof(bool); break;
                    case BsonType.Binary:
                        var bookmark = bsonReader.GetBookmark();
                        byte[] bytes;
                        BsonBinarySubType subType;
                        bsonReader.ReadBinaryData(out bytes, out subType);
                        if (subType == BsonBinarySubType.UuidStandard || subType == BsonBinarySubType.UuidLegacy)
                        {
                            primitiveType = typeof(Guid);
                        }
                        bsonReader.ReturnToBookmark(bookmark);
                        break;
                    case BsonType.DateTime: primitiveType = typeof(DateTime); break;
                    case BsonType.Double: primitiveType = typeof(double); break;
                    case BsonType.Int32: primitiveType = typeof(int); break;
                    case BsonType.Int64: primitiveType = typeof(long); break;
                    case BsonType.ObjectId: primitiveType = typeof(ObjectId); break;
                    case BsonType.String: primitiveType = typeof(string); break;
                }

                if (primitiveType != null && nominalType.IsAssignableFrom(primitiveType))
                {
                    return primitiveType;
                }
            }

            if (bsonType == BsonType.Document)
            {
                // ensure KnownTypes of nominalType are registered (so IsTypeDiscriminated returns correct answer)
                BsonDefaultSerializer.EnsureKnownTypesAreRegistered(nominalType);

                // we can skip looking for a discriminator if nominalType has no discriminated sub types
                if (BsonDefaultSerializer.IsTypeDiscriminated(nominalType))
                {
                    var bookmark = bsonReader.GetBookmark();
                    bsonReader.ReadStartDocument();
                    var actualType = nominalType;
                    if (bsonReader.FindElement(_elementName))
                    {
                        var discriminator = BsonValue.ReadFrom(bsonReader);
                        if (discriminator.IsBsonArray)
                        {
                            discriminator = discriminator.AsBsonArray.Last(); // last item is leaf class discriminator
                        }
                        actualType = BsonDefaultSerializer.LookupActualType(nominalType, discriminator);
                    }
                    bsonReader.ReturnToBookmark(bookmark);
                    return actualType;
                }
            }

            return nominalType;
        }