public static ParseDateTimeOffset ( string dateTimeOffsetStr ) : DateTimeOffset | ||
dateTimeOffsetStr | string | |
return | DateTimeOffset |
private static ParseStringDelegate GetParseFn() { var nullableType = Nullable.GetUnderlyingType(typeof(T)); if (nullableType == null) { #if NETFX_CORE var typeCode = ReflectionExtensions.GetTypeCode(typeof(T)); #else var typeCode = Type.GetTypeCode(typeof(T)); #endif switch (typeCode) { case TypeCode.Boolean: //Lots of kids like to use '1', HTML checkboxes use 'on' as a soft convention return(value => value.Length == 1 ? value == "1" : value.Length == 2 ? value == "on" : bool.Parse(value)); case TypeCode.Byte: return(value => byte.Parse(value, CultureInfo.InvariantCulture)); case TypeCode.SByte: return(value => sbyte.Parse(value, CultureInfo.InvariantCulture)); case TypeCode.Int16: return(value => short.Parse(value, CultureInfo.InvariantCulture)); case TypeCode.UInt16: return(value => ushort.Parse(value, CultureInfo.InvariantCulture)); case TypeCode.Int32: return(value => int.Parse(value, CultureInfo.InvariantCulture)); case TypeCode.UInt32: return(value => uint.Parse(value, CultureInfo.InvariantCulture)); case TypeCode.Int64: return(value => long.Parse(value, CultureInfo.InvariantCulture)); case TypeCode.UInt64: return(value => ulong.Parse(value, CultureInfo.InvariantCulture)); case TypeCode.Single: return(value => float.Parse(value, CultureInfo.InvariantCulture)); case TypeCode.Double: return(value => double.Parse(value, CultureInfo.InvariantCulture)); case TypeCode.Decimal: return(value => decimal.Parse(value, CultureInfo.InvariantCulture)); case TypeCode.DateTime: return(value => DateTimeSerializer.ParseShortestXsdDateTime(value)); case TypeCode.Char: char cValue; return(value => char.TryParse(value, out cValue) ? cValue : '\0'); } if (typeof(T) == typeof(Guid)) { return(value => new Guid(value)); } if (typeof(T) == typeof(DateTimeOffset)) { return(value => DateTimeSerializer.ParseDateTimeOffset(value)); } if (typeof(T) == typeof(TimeSpan)) { return(value => DateTimeSerializer.ParseTimeSpan(value)); } #if !MONOTOUCH && !SILVERLIGHT && !XBOX && !ANDROID if (typeof(T) == typeof(System.Data.Linq.Binary)) { return(value => new System.Data.Linq.Binary(Convert.FromBase64String(value))); } #endif } else { #if NETFX_CORE var typeCode = ReflectionExtensions.GetTypeCode(nullableType); #else var typeCode = Type.GetTypeCode(nullableType); #endif switch (typeCode) { case TypeCode.Boolean: return(value => string.IsNullOrEmpty(value) ? (bool?)null : value.Length == 1 ? value == "1" : value.Length == 2 ? value == "on" : bool.Parse(value)); case TypeCode.Byte: return(value => string.IsNullOrEmpty(value) ? (byte?)null : byte.Parse(value, CultureInfo.InvariantCulture)); case TypeCode.SByte: return(value => string.IsNullOrEmpty(value) ? (sbyte?)null : sbyte.Parse(value, CultureInfo.InvariantCulture)); case TypeCode.Int16: return(value => string.IsNullOrEmpty(value) ? (short?)null : short.Parse(value, CultureInfo.InvariantCulture)); case TypeCode.UInt16: return(value => string.IsNullOrEmpty(value) ? (ushort?)null : ushort.Parse(value, CultureInfo.InvariantCulture)); case TypeCode.Int32: return(value => string.IsNullOrEmpty(value) ? (int?)null : int.Parse(value, CultureInfo.InvariantCulture)); case TypeCode.UInt32: return(value => string.IsNullOrEmpty(value) ? (uint?)null : uint.Parse(value, CultureInfo.InvariantCulture)); case TypeCode.Int64: return(value => string.IsNullOrEmpty(value) ? (long?)null : long.Parse(value, CultureInfo.InvariantCulture)); case TypeCode.UInt64: return(value => string.IsNullOrEmpty(value) ? (ulong?)null : ulong.Parse(value, CultureInfo.InvariantCulture)); case TypeCode.Single: return(value => string.IsNullOrEmpty(value) ? (float?)null : float.Parse(value, CultureInfo.InvariantCulture)); case TypeCode.Double: return(value => string.IsNullOrEmpty(value) ? (double?)null : double.Parse(value, CultureInfo.InvariantCulture)); case TypeCode.Decimal: return(value => string.IsNullOrEmpty(value) ? (decimal?)null : decimal.Parse(value, CultureInfo.InvariantCulture)); case TypeCode.DateTime: return(value => DateTimeSerializer.ParseShortestNullableXsdDateTime(value)); case TypeCode.Char: char cValue; return(value => string.IsNullOrEmpty(value) ? (char?)null : char.TryParse(value, out cValue) ? cValue : '\0'); } if (typeof(T) == typeof(TimeSpan?)) { return(value => DateTimeSerializer.ParseNullableTimeSpan(value)); } if (typeof(T) == typeof(Guid?)) { return(value => string.IsNullOrEmpty(value) ? (Guid?)null : new Guid(value)); } if (typeof(T) == typeof(DateTimeOffset?)) { return(value => DateTimeSerializer.ParseNullableDateTimeOffset(value)); } } return(null); }
private static ParseStringSegmentDelegate GetParseStringSegmentFn() { var nullableType = Nullable.GetUnderlyingType(typeof(T)); if (nullableType == null) { var typeCode = typeof(T).GetTypeCode(); switch (typeCode) { case TypeCode.Boolean: //Lots of kids like to use '1', HTML checkboxes use 'on' as a soft convention return(value => value.Length == 1 ? value.Equals("1") : value.Length == 2 ? value.Equals("on") : value.ParseBoolean()); case TypeCode.Byte: return(value => value.ParseByte()); case TypeCode.SByte: return(value => value.ParseSByte()); case TypeCode.Int16: return(value => value.ParseInt16()); case TypeCode.UInt16: return(value => value.ParseUInt16()); case TypeCode.Int32: return(value => value.ParseInt32()); case TypeCode.UInt32: return(value => value.ParseUInt32()); case TypeCode.Int64: return(value => value.ParseInt64()); case TypeCode.UInt64: return(value => value.ParseUInt64()); case TypeCode.Single: return(value => float.Parse(value.Value, CultureInfo.InvariantCulture)); case TypeCode.Double: return(value => double.Parse(value.Value, CultureInfo.InvariantCulture)); case TypeCode.Decimal: return(value => value.ParseDecimal(allowThousands: true)); case TypeCode.DateTime: return(value => DateTimeSerializer.ParseShortestXsdDateTime(value.Value)); case TypeCode.Char: return(value => { char cValue; return char.TryParse(value.Value, out cValue) ? cValue : '\0'; }); } if (typeof(T) == typeof(Guid)) { return(value => value.ParseGuid()); } if (typeof(T) == typeof(DateTimeOffset)) { return(value => DateTimeSerializer.ParseDateTimeOffset(value.Value)); } if (typeof(T) == typeof(TimeSpan)) { return(value => DateTimeSerializer.ParseTimeSpan(value.Value)); } } else { var typeCode = nullableType.GetTypeCode(); switch (typeCode) { case TypeCode.Boolean: return(value => value.IsNullOrEmpty() ? (bool?)null : value.Length == 1 ? value.Equals("1") : value.Length == 2 ? value.Equals("on") : value.ParseBoolean()); case TypeCode.Byte: return(value => value.IsNullOrEmpty() ? (byte?)null : value.ParseByte()); case TypeCode.SByte: return(value => value.IsNullOrEmpty() ? (sbyte?)null : value.ParseSByte()); case TypeCode.Int16: return(value => value.IsNullOrEmpty() ? (short?)null : value.ParseInt16()); case TypeCode.UInt16: return(value => value.IsNullOrEmpty() ? (ushort?)null : value.ParseUInt16()); case TypeCode.Int32: return(value => value.IsNullOrEmpty() ? (int?)null : value.ParseInt32()); case TypeCode.UInt32: return(value => value.IsNullOrEmpty() ? (uint?)null : value.ParseUInt32()); case TypeCode.Int64: return(value => value.IsNullOrEmpty() ? (long?)null : value.ParseInt64()); case TypeCode.UInt64: return(value => value.IsNullOrEmpty() ? (ulong?)null : value.ParseUInt64()); case TypeCode.Single: return(value => value.IsNullOrEmpty() ? (float?)null : float.Parse(value.Value, CultureInfo.InvariantCulture)); case TypeCode.Double: return(value => value.IsNullOrEmpty() ? (double?)null : double.Parse(value.Value, CultureInfo.InvariantCulture)); case TypeCode.Decimal: return(value => value.IsNullOrEmpty() ? (decimal?)null : value.ParseDecimal(allowThousands: true)); case TypeCode.DateTime: return(value => DateTimeSerializer.ParseShortestNullableXsdDateTime(value.Value)); case TypeCode.Char: return(value => { char cValue; return value.IsNullOrEmpty() ? (char?)null : char.TryParse(value.Value, out cValue) ? cValue : '\0'; }); } if (typeof(T) == typeof(TimeSpan?)) { return(value => DateTimeSerializer.ParseNullableTimeSpan(value.Value)); } if (typeof(T) == typeof(Guid?)) { return(value => value.IsNullOrEmpty() ? (Guid?)null : value.ParseGuid()); } if (typeof(T) == typeof(DateTimeOffset?)) { return(value => DateTimeSerializer.ParseNullableDateTimeOffset(value.Value)); } } return(null); }
private static ParseStringDelegate GetParseFn() { //Note the generic typeof(T) is faster than using var type = typeof(T) if (typeof(T) == typeof(bool)) { return(value => bool.Parse(value)); } if (typeof(T) == typeof(byte)) { return(value => byte.Parse(value)); } if (typeof(T) == typeof(sbyte)) { return(value => sbyte.Parse(value)); } if (typeof(T) == typeof(short)) { return(value => short.Parse(value)); } if (typeof(T) == typeof(int)) { return(value => int.Parse(value)); } if (typeof(T) == typeof(long)) { return(value => long.Parse(value)); } if (typeof(T) == typeof(float)) { return(value => float.Parse(value, CultureInfo.InvariantCulture)); } if (typeof(T) == typeof(double)) { return(value => double.Parse(value, CultureInfo.InvariantCulture)); } if (typeof(T) == typeof(decimal)) { return(value => decimal.Parse(value, CultureInfo.InvariantCulture)); } if (typeof(T) == typeof(Guid)) { return(value => new Guid(value)); } if (typeof(T) == typeof(DateTime?)) { return(value => DateTimeSerializer.ParseShortestNullableXsdDateTime(value)); } if (typeof(T) == typeof(DateTime) || typeof(T) == typeof(DateTime?)) { return(value => DateTimeSerializer.ParseShortestXsdDateTime(value)); } if (typeof(T) == typeof(DateTimeOffset) || typeof(T) == typeof(DateTimeOffset?)) { return(value => DateTimeSerializer.ParseDateTimeOffset(value)); } if (typeof(T) == typeof(TimeSpan)) { return(value => DateTimeSerializer.ParseTimeSpan(value)); } if (typeof(T) == typeof(TimeSpan?)) { return(value => DateTimeSerializer.ParseNullableTimeSpan(value)); } #if !MONOTOUCH && !SILVERLIGHT && !XBOX && !ANDROID if (typeof(T) == typeof(System.Data.Linq.Binary)) { return(value => new System.Data.Linq.Binary(Convert.FromBase64String(value))); } #endif if (typeof(T) == typeof(char)) { char cValue; return(value => char.TryParse(value, out cValue) ? cValue : '\0'); } if (typeof(T) == typeof(ushort)) { return(value => ushort.Parse(value)); } if (typeof(T) == typeof(uint)) { return(value => uint.Parse(value)); } if (typeof(T) == typeof(ulong)) { return(value => ulong.Parse(value)); } if (typeof(T) == typeof(bool?)) { return(value => value == null ? (bool?)null : bool.Parse(value)); } if (typeof(T) == typeof(byte?)) { return(value => value == null ? (byte?)null : byte.Parse(value)); } if (typeof(T) == typeof(sbyte?)) { return(value => value == null ? (sbyte?)null : sbyte.Parse(value)); } if (typeof(T) == typeof(short?)) { return(value => value == null ? (short?)null : short.Parse(value)); } if (typeof(T) == typeof(int?)) { return(value => value == null ? (int?)null : int.Parse(value)); } if (typeof(T) == typeof(long?)) { return(value => value == null ? (long?)null : long.Parse(value)); } if (typeof(T) == typeof(float?)) { return(value => value == null ? (float?)null : float.Parse(value, CultureInfo.InvariantCulture)); } if (typeof(T) == typeof(double?)) { return(value => value == null ? (double?)null : double.Parse(value, CultureInfo.InvariantCulture)); } if (typeof(T) == typeof(decimal?)) { return(value => value == null ? (decimal?)null : decimal.Parse(value, CultureInfo.InvariantCulture)); } if (typeof(T) == typeof(TimeSpan?)) { return(value => value == null ? (TimeSpan?)null : TimeSpan.Parse(value)); } if (typeof(T) == typeof(Guid?)) { return(value => value == null ? (Guid?)null : new Guid(value)); } if (typeof(T) == typeof(ushort?)) { return(value => value == null ? (ushort?)null : ushort.Parse(value)); } if (typeof(T) == typeof(uint?)) { return(value => value == null ? (uint?)null : uint.Parse(value)); } if (typeof(T) == typeof(ulong?)) { return(value => value == null ? (ulong?)null : ulong.Parse(value)); } if (typeof(T) == typeof(char?)) { char cValue; return(value => value == null ? (char?)null : char.TryParse(value, out cValue) ? cValue : '\0'); } return(null); }
private static ParseStringDelegate GetParseFn() { var nullableType = Nullable.GetUnderlyingType(typeof(T)); if (nullableType == null) { var typeCode = typeof(T).GetTypeCode(); switch (typeCode) { case TypeCode.Boolean: //Lots of kids like to use '1', HTML checkboxes use 'on' as a soft convention return(value => value.Length == 1 ? value == "1" : value.Length == 2 ? value == "on" : bool.Parse(value)); case TypeCode.Byte: return(value => byte.Parse(value, CultureInfo.InvariantCulture)); case TypeCode.SByte: return(value => sbyte.Parse(value, CultureInfo.InvariantCulture)); case TypeCode.Int16: return(value => short.Parse(value, CultureInfo.InvariantCulture)); case TypeCode.UInt16: return(value => ushort.Parse(value, CultureInfo.InvariantCulture)); case TypeCode.Int32: return(value => int.Parse(value, CultureInfo.InvariantCulture)); case TypeCode.UInt32: return(value => uint.Parse(value, CultureInfo.InvariantCulture)); case TypeCode.Int64: return(value => long.Parse(value, CultureInfo.InvariantCulture)); case TypeCode.UInt64: return(value => ulong.Parse(value, CultureInfo.InvariantCulture)); case TypeCode.Single: return(value => float.Parse(value, CultureInfo.InvariantCulture)); case TypeCode.Double: return(value => double.Parse(value, CultureInfo.InvariantCulture)); case TypeCode.Decimal: return(value => decimal.Parse(value, CultureInfo.InvariantCulture)); case TypeCode.DateTime: return(value => DateTimeSerializer.ParseShortestXsdDateTime(value)); case TypeCode.Char: char cValue; return(value => char.TryParse(value, out cValue) ? cValue : '\0'); } if (typeof(T) == typeof(Guid)) { return(value => new Guid(value)); } if (typeof(T) == typeof(DateTimeOffset)) { return(value => DateTimeSerializer.ParseDateTimeOffset(value)); } if (typeof(T) == typeof(TimeSpan)) { return(value => DateTimeSerializer.ParseTimeSpan(value)); } } else { var typeCode = nullableType.GetTypeCode(); switch (typeCode) { case TypeCode.Boolean: return(value => string.IsNullOrEmpty(value) ? (bool?)null : value.Length == 1 ? value == "1" : value.Length == 2 ? value == "on" : bool.Parse(value)); case TypeCode.Byte: return(value => string.IsNullOrEmpty(value) ? (byte?)null : byte.Parse(value, CultureInfo.InvariantCulture)); case TypeCode.SByte: return(value => string.IsNullOrEmpty(value) ? (sbyte?)null : sbyte.Parse(value, CultureInfo.InvariantCulture)); case TypeCode.Int16: return(value => string.IsNullOrEmpty(value) ? (short?)null : short.Parse(value, CultureInfo.InvariantCulture)); case TypeCode.UInt16: return(value => string.IsNullOrEmpty(value) ? (ushort?)null : ushort.Parse(value, CultureInfo.InvariantCulture)); case TypeCode.Int32: return(value => string.IsNullOrEmpty(value) ? (int?)null : int.Parse(value, CultureInfo.InvariantCulture)); case TypeCode.UInt32: return(value => string.IsNullOrEmpty(value) ? (uint?)null : uint.Parse(value, CultureInfo.InvariantCulture)); case TypeCode.Int64: return(value => string.IsNullOrEmpty(value) ? (long?)null : long.Parse(value, CultureInfo.InvariantCulture)); case TypeCode.UInt64: return(value => string.IsNullOrEmpty(value) ? (ulong?)null : ulong.Parse(value, CultureInfo.InvariantCulture)); case TypeCode.Single: return(value => string.IsNullOrEmpty(value) ? (float?)null : float.Parse(value, CultureInfo.InvariantCulture)); case TypeCode.Double: return(value => string.IsNullOrEmpty(value) ? (double?)null : double.Parse(value, CultureInfo.InvariantCulture)); case TypeCode.Decimal: return(value => string.IsNullOrEmpty(value) ? (decimal?)null : decimal.Parse(value, CultureInfo.InvariantCulture)); case TypeCode.DateTime: return(value => DateTimeSerializer.ParseShortestNullableXsdDateTime(value)); case TypeCode.Char: char cValue; return(value => string.IsNullOrEmpty(value) ? (char?)null : char.TryParse(value, out cValue) ? cValue : '\0'); } if (typeof(T) == typeof(TimeSpan?)) { return(value => DateTimeSerializer.ParseNullableTimeSpan(value)); } if (typeof(T) == typeof(Guid?)) { return(value => string.IsNullOrEmpty(value) ? (Guid?)null : new Guid(value)); } if (typeof(T) == typeof(DateTimeOffset?)) { return(value => DateTimeSerializer.ParseNullableDateTimeOffset(value)); } } return(null); }
private static ParseStringSpanDelegate GetParseStringSpanFn() { var nullableType = Nullable.GetUnderlyingType(typeof(T)); if (nullableType == null) { var typeCode = typeof(T).GetTypeCode(); switch (typeCode) { case TypeCode.Boolean: return(value => value.ParseBoolean()); case TypeCode.SByte: return(SignedInteger <sbyte> .ParseObject); case TypeCode.Byte: return(UnsignedInteger <byte> .ParseObject); case TypeCode.Int16: return(SignedInteger <short> .ParseObject); case TypeCode.UInt16: return(UnsignedInteger <ushort> .ParseObject); case TypeCode.Int32: return(SignedInteger <int> .ParseObject); case TypeCode.UInt32: return(UnsignedInteger <uint> .ParseObject); case TypeCode.Int64: return(SignedInteger <long> .ParseObject); case TypeCode.UInt64: return(UnsignedInteger <ulong> .ParseObject); case TypeCode.Single: return(value => MemoryProvider.Instance.ParseFloat(value)); case TypeCode.Double: return(value => MemoryProvider.Instance.ParseDouble(value)); case TypeCode.Decimal: return(value => MemoryProvider.Instance.ParseDecimal(value)); case TypeCode.DateTime: return(value => DateTimeSerializer.ParseShortestXsdDateTime(value.ToString())); case TypeCode.Char: return(value => value.Length == 0 ? (char)0 : value.Length == 1 ? value[0] : JsonTypeSerializer.Unescape(value)[0]); } if (typeof(T) == typeof(Guid)) { return(value => value.ParseGuid()); } if (typeof(T) == typeof(DateTimeOffset)) { return(value => DateTimeSerializer.ParseDateTimeOffset(value.ToString())); } if (typeof(T) == typeof(TimeSpan)) { return(value => DateTimeSerializer.ParseTimeSpan(value.ToString())); } #if NET6_0 if (typeof(T) == typeof(DateOnly)) { return(value => DateOnly.FromDateTime(DateTimeSerializer.ParseShortestXsdDateTime(value.ToString()))); } if (typeof(T) == typeof(TimeOnly)) { return(value => TimeOnly.FromTimeSpan(DateTimeSerializer.ParseTimeSpan(value.ToString()))); } #endif } else { var typeCode = nullableType.GetTypeCode(); switch (typeCode) { case TypeCode.Boolean: return(value => value.IsNullOrEmpty() ? (bool?)null : value.ParseBoolean()); case TypeCode.SByte: return(SignedInteger <sbyte> .ParseNullableObject); case TypeCode.Byte: return(UnsignedInteger <byte> .ParseNullableObject); case TypeCode.Int16: return(SignedInteger <short> .ParseNullableObject); case TypeCode.UInt16: return(UnsignedInteger <ushort> .ParseNullableObject); case TypeCode.Int32: return(SignedInteger <int> .ParseNullableObject); case TypeCode.UInt32: return(UnsignedInteger <uint> .ParseNullableObject); case TypeCode.Int64: return(SignedInteger <long> .ParseNullableObject); case TypeCode.UInt64: return(UnsignedInteger <ulong> .ParseNullableObject); case TypeCode.Single: return(value => value.IsNullOrEmpty() ? (float?)null : value.ParseFloat()); case TypeCode.Double: return(value => value.IsNullOrEmpty() ? (double?)null : value.ParseDouble()); case TypeCode.Decimal: return(value => value.IsNullOrEmpty() ? (decimal?)null : value.ParseDecimal()); case TypeCode.DateTime: return(value => DateTimeSerializer.ParseShortestNullableXsdDateTime(value.ToString())); case TypeCode.Char: return(value => value.IsEmpty ? (char?)null : value.Length == 1 ? value[0] : JsonTypeSerializer.Unescape(value)[0]); } if (typeof(T) == typeof(TimeSpan?)) { return(value => DateTimeSerializer.ParseNullableTimeSpan(value.ToString())); } if (typeof(T) == typeof(Guid?)) { return(value => value.IsNullOrEmpty() ? (Guid?)null : value.ParseGuid()); } if (typeof(T) == typeof(DateTimeOffset?)) { return(value => DateTimeSerializer.ParseNullableDateTimeOffset(value.ToString())); } #if NET6_0 if (typeof(T) == typeof(DateOnly?)) { return(value => value.IsNullOrEmpty() ? default : DateOnly.FromDateTime(DateTimeSerializer.ParseShortestXsdDateTime(value.ToString()))); } if (typeof(T) == typeof(TimeOnly?)) { return(value => value.IsNullOrEmpty() ? default : TimeOnly.FromTimeSpan(DateTimeSerializer.ParseTimeSpan(value.ToString()))); } #endif } return(null); }
private static ParseStringSpanDelegate GetParseStringSpanFn() { var nullableType = Nullable.GetUnderlyingType(typeof(T)); if (nullableType == null) { var typeCode = typeof(T).GetTypeCode(); switch (typeCode) { case TypeCode.Boolean: //Lots of kids like to use '1', HTML checkboxes use 'on' as a soft convention return(value => value.Length == 1 ? value[0] == '1' : value.Length == 2 ? value[0] == 'o' && value[1] == 'n' : value.ParseBoolean()); case TypeCode.SByte: return(SignedInteger <sbyte> .ParseObject); case TypeCode.Byte: return(UnsignedInteger <byte> .ParseObject); case TypeCode.Int16: return(SignedInteger <short> .ParseObject); case TypeCode.UInt16: return(UnsignedInteger <ushort> .ParseObject); case TypeCode.Int32: return(SignedInteger <int> .ParseObject); case TypeCode.UInt32: return(UnsignedInteger <uint> .ParseObject); case TypeCode.Int64: return(SignedInteger <long> .ParseObject); case TypeCode.UInt64: return(UnsignedInteger <ulong> .ParseObject); case TypeCode.Single: return(value => MemoryProvider.Instance.ParseFloat(value)); case TypeCode.Double: return(value => MemoryProvider.Instance.ParseDouble(value)); case TypeCode.Decimal: return(value => MemoryProvider.Instance.ParseDecimal(value)); case TypeCode.DateTime: return(value => DateTimeSerializer.ParseShortestXsdDateTime(value.ToString())); case TypeCode.Char: return(value => value[0]); } if (typeof(T) == typeof(Guid)) { return(value => value.ParseGuid()); } if (typeof(T) == typeof(DateTimeOffset)) { return(value => DateTimeSerializer.ParseDateTimeOffset(value.ToString())); } if (typeof(T) == typeof(TimeSpan)) { return(value => DateTimeSerializer.ParseTimeSpan(value.ToString())); } } else { var typeCode = nullableType.GetTypeCode(); switch (typeCode) { case TypeCode.Boolean: return(value => value.IsNullOrEmpty() ? (bool?)null : value.Length == 1 ? value[0] == '1' : value.Length == 2 ? value[0] == 'o' && value[1] == 'n' : value.ParseBoolean()); case TypeCode.SByte: return(SignedInteger <sbyte> .ParseNullableObject); case TypeCode.Byte: return(UnsignedInteger <byte> .ParseNullableObject); case TypeCode.Int16: return(SignedInteger <short> .ParseNullableObject); case TypeCode.UInt16: return(UnsignedInteger <ushort> .ParseNullableObject); case TypeCode.Int32: return(SignedInteger <int> .ParseNullableObject); case TypeCode.UInt32: return(UnsignedInteger <uint> .ParseNullableObject); case TypeCode.Int64: return(SignedInteger <long> .ParseNullableObject); case TypeCode.UInt64: return(UnsignedInteger <ulong> .ParseNullableObject); case TypeCode.Single: return(value => value.IsNullOrEmpty() ? (float?)null : value.ParseFloat()); case TypeCode.Double: return(value => value.IsNullOrEmpty() ? (double?)null : value.ParseDouble()); case TypeCode.Decimal: return(value => value.IsNullOrEmpty() ? (decimal?)null : value.ParseDecimal()); case TypeCode.DateTime: return(value => DateTimeSerializer.ParseShortestNullableXsdDateTime(value.ToString())); case TypeCode.Char: return(value => value.IsEmpty ? (char?)null : value[0]); } if (typeof(T) == typeof(TimeSpan?)) { return(value => DateTimeSerializer.ParseNullableTimeSpan(value.ToString())); } if (typeof(T) == typeof(Guid?)) { return(value => value.IsNullOrEmpty() ? (Guid?)null : value.ParseGuid()); } if (typeof(T) == typeof(DateTimeOffset?)) { return(value => DateTimeSerializer.ParseNullableDateTimeOffset(value.ToString())); } } return(null); }