internal static byte ReadHeader(Type t, BinaryReader reader, NilImplication nilImplication, out object result)
{
result = null;
try
{
byte v = reader.ReadByte();
if (v == MsgPackConstants.Formats.NIL)
{
if (nilImplication == NilImplication.MemberDefault)
{
if (t.IsValueType)
{
result = Activator.CreateInstance(t);
}
}
else if (nilImplication == NilImplication.Prohibit)
{
throw new ApplicationException(nullProhibitedExceptionMessage);
}
}
return(v);
}
catch
{
return(0);
}
}
public TAction OnPacking(TPackingParameter parameter, NilImplication nilImplication)
{
switch (nilImplication)
{
case NilImplication.Prohibit:
{
TCondition condition = null;
if (parameter.ItemType == typeof(MessagePackObject))
{
condition = this.OnPackingMessagePackObject(parameter);
}
else if (!parameter.ItemType.GetIsValueType())
{
condition = this.OnPackingReferenceTypeObject(parameter);
}
else if (Nullable.GetUnderlyingType(parameter.ItemType) != null)
{
condition = this.OnPackingNullableValueTypeObject(parameter);
}
if (condition != null)
{
return(this.OnPackingCore(parameter, condition));
}
break;
}
}
return(null);
}
internal static object ReadMsgPackString(BinaryReader reader, NilImplication nilImplication, byte header = 0)
{
object result = null;
byte v = header == 0 ? ReadHeader(typeof(string), reader, nilImplication, out result) : header;
if (v != MsgPackConstants.Formats.NIL)
{
int length = 0;
if (v >= MsgPackConstants.FixedString.MIN && v <= MsgPackConstants.FixedString.MAX)
{
length = v - MsgPackConstants.FixedString.MIN;
}
else if (v == MsgPackConstants.Formats.STR_8)
{
length = reader.ReadByte();
}
else if (v == MsgPackConstants.Formats.STR_16)
{
length = (reader.ReadByte() << 8) +
reader.ReadByte();
}
else if (v == MsgPackConstants.Formats.STR_32)
{
length = (reader.ReadByte() << 24) +
(reader.ReadByte() << 16) +
(reader.ReadByte() << 8) +
reader.ReadByte();
}
byte[] stringBuffer = reader.ReadBytes(length);
result = UTF8Encoding.UTF8.GetString(stringBuffer);
}
return(result);
}
/// <summary>
/// Initializes a new instance of the <see cref="SerializerGenerationContext{TConstruct}"/> class.
/// </summary>
/// <param name="context">The serialization context.</param>
protected SerializerGenerationContext(SerializationContext context)
{
this.SerializationContext = context;
this.CollectionItemNilImplication = NilImplication.Null;
this.DictionaryKeyNilImplication = NilImplication.Prohibit;
this.TupleItemNilImplication = NilImplication.Null;
}
/// <summary>
/// Initializes a new instance of the <see cref="DataMemberContract"/> struct.
/// </summary>
/// <param name="member">The target member.</param>
public DataMemberContract(MemberInfo member)
{
Contract.Requires(member != null);
this._name = member.Name;
this._nilImplication = Serialization.NilImplication.MemberDefault;
this._id = UnspecifiedId;
}
/// <summary>
/// Initializes a new instance of the <see cref="DataMemberContract"/> struct.
/// </summary>
/// <param name="member">The target member.</param>
public DataMemberContract(MemberInfo member)
{
Contract.Assert(member != null);
this._name = member.Name;
this._nilImplication = NilImplication.MemberDefault;
this._id = UnspecifiedId;
}
/// <summary>
/// Initializes a new instance of the <see cref="DataMemberContract"/> struct from <see cref="DataMemberAttribute"/>.
/// </summary>
/// <param name="member">The target member.</param>
/// <param name="attribute">The data contract member attribute. This value can be <c>null</c>.</param>
public DataMemberContract(MemberInfo member, DataMemberAttribute attribute)
{
Contract.Requires(member != null);
Contract.Requires(attribute != null);
this._name = String.IsNullOrEmpty(attribute.Name) ? member.Name : attribute.Name;
this._nilImplication = Serialization.NilImplication.MemberDefault;
this._id = attribute.Order;
}
/// <summary>
/// Initializes a new instance of the <see cref="DataMemberContract"/> struct.
/// </summary>
/// <param name="member">The target member.</param>
public DataMemberContract(MemberInfo member)
{
#if !UNITY
Contract.Requires(member != null);
#endif // !UNITY
this._name = member.Name;
this._nilImplication = NilImplication.MemberDefault;
this._id = UnspecifiedId;
}
internal static object ReadMsgPackBoolean(BinaryReader reader, NilImplication nilImplication)
{
object result;
byte v = ReadHeader(typeof(bool), reader, nilImplication, out result);
if (v != MsgPackConstants.Formats.NIL)
{
result = v == MsgPackConstants.Bool.TRUE;
}
return(result);
}
/// <summary>
/// Initializes a new instance of the <see cref="DataMemberContract"/> struct.
/// </summary>
/// <param name="member">The target member.</param>
/// <param name="name">The name of member.</param>
/// <param name="nilImplication">The implication of the nil value for the member.</param>
/// <param name="id">The ID of the member. This value cannot be negative and must be unique in the type.</param>
public DataMemberContract(MemberInfo member, string name, NilImplication nilImplication, int?id)
{
Contract.Assert(member != null);
if (id < 0)
{
throw new SerializationException(String.Format(CultureInfo.CurrentCulture, "The member ID cannot be negative. The member is '{0}' in the '{1}' type.", member.Name, member.DeclaringType));
}
this._name = String.IsNullOrEmpty(name) ? member.Name : name;
this._nilImplication = nilImplication;
this._id = id ?? UnspecifiedId;
}
/// <summary>
/// Initializes a new instance of the <see cref="DataMemberContract"/> struct from <see cref="MessagePackMemberAttribute"/>.
/// </summary>
/// <param name="member">The target member.</param>
/// <param name="attribute">The MessagePack member attribute. This value can be <c>null</c>.</param>
public DataMemberContract(MemberInfo member, MessagePackMemberAttribute attribute)
{
Contract.Requires(member != null);
Contract.Requires(attribute != null);
if (attribute.Id < 0)
{
throw new SerializationException(String.Format(CultureInfo.CurrentCulture, "The member ID cannot be negative. The member is '{0}' in the '{1}' type.", member.Name, member.DeclaringType));
}
this._name = member.Name;
this._nilImplication = attribute.NilImplication;
this._id = attribute.Id;
}
internal static object ReadMsgPackULong(BinaryReader reader, NilImplication nilImplication, byte header = 0)
{
object result = null;
byte v = header == 0 ? ReadHeader(typeof(ulong), reader, nilImplication, out result) : header;
if (v != MsgPackConstants.Formats.NIL)
{
if (v != MsgPackConstants.Formats.UINT_64)
{
throw new ApplicationException("Serialized data doesn't match type being deserialized to");
}
result = reader.ReadUInt64();
}
return(result);
}
internal static object DeserializeObject(object o, BinaryReader reader, NilImplication nilImplication = NilImplication.MemberDefault)
{
var list = o as IList;
if (list != null)
{
return(MsgPackIO.DeserializeCollection(list, reader) ? null : o);
}
var dictionary = o as IDictionary;
if (dictionary != null)
{
return(MsgPackIO.DeserializeCollection(dictionary, reader) ? null : o);
}
return(GetSerializer(o.GetType()).Deserialize(o, reader));
}
public TAction OnUnpacked(TUnpackedParameter parameter, NilImplication nilImplication)
{
/*
* #if MEMBER_DEFAULT
* // nop
* #elif PROHIBIT
* throw SerializationExceptiuons.NullIsProhibited(...);
* #elif VALUE_TYPE
* throw SerializationExceptiuons.ValueTypeCannotbeNull(...);
* #else
* SET_VALUE(item);
* #endif
*/
// is nilable natually?
var isNativelyNullable =
parameter.ItemType == typeof(MessagePackObject) ||
!parameter.ItemType.GetIsValueType() ||
Nullable.GetUnderlyingType(parameter.ItemType) != null;
// Nil Implication
switch (nilImplication)
{
case NilImplication.MemberDefault:
{
// Nothing to
return(OnNopOnUnpacked(parameter));
}
case NilImplication.Prohibit:
{
return(OnThrowNullIsProhibitedExceptionOnUnpacked(parameter));
}
case NilImplication.Null:
{
return(!isNativelyNullable?this.OnThrowValueTypeCannotBeNull3OnUnpacked(parameter) : parameter.Store);
}
default:
{
throw new SerializationException(
String.Format(CultureInfo.CurrentCulture, "Unknown NilImplication value '{0}'.", ( int )nilImplication)
);
}
}
}
internal static object DeserializeObjectType(Type type, BinaryReader reader, NilImplication nilImplication = NilImplication.MemberDefault)
{
if (type.IsPrimitive ||
type == typeof(string) ||
IsSerializableGenericCollection(type))
{
return(MsgPackIO.DeserializeValue(type, reader, nilImplication));
}
ConstructorInfo constructorInfo = type.GetConstructor(Type.EmptyTypes);
if (constructorInfo == null)
{
throw new ApplicationException("Can't deserialize Type [" + type + "] in MsgPackSerializer because it has no default constructor");
}
object result = constructorInfo.Invoke(SerializableProperty.EmptyObjArgs);
return(GetSerializer(type).Deserialize(result, reader));
}
internal SerializableProperty(PropertyInfo propInfo, int sequence = 0, NilImplication?nilImplication = null)
{
PropInfo = propInfo;
Name = propInfo.Name;
_nilImplication = nilImplication ?? NilImplication.MemberDefault;
Sequence = sequence;
ValueType = propInfo.PropertyType;
Type underlyingType = Nullable.GetUnderlyingType(propInfo.PropertyType);
if (underlyingType != null)
{
ValueType = underlyingType;
if (nilImplication.HasValue == false)
{
_nilImplication = NilImplication.Null;
}
}
}
internal static object ReadMsgPackDouble(BinaryReader reader, NilImplication nilImplication, byte header = 0)
{
object result = null;
byte v = header == 0 ? ReadHeader(typeof(double), reader, nilImplication, out result) : header;
if (v != MsgPackConstants.Formats.NIL)
{
if (v != MsgPackConstants.Formats.FLOAT_64)
{
throw new ApplicationException("Serialized data doesn't match type being deserialized to");
}
byte[] data = reader.ReadBytes(8);
if (BitConverter.IsLittleEndian)
{
Array.Reverse(data);
}
result = BitConverter.ToDouble(data, 0);
}
return(result);
}
/// <summary>
/// Initializes a new instance of the <see cref="DataMemberContract"/> struct.
/// </summary>
/// <param name="member">The target member.</param>
public DataMemberContract( MemberInfo member )
{
Contract.Requires( member != null );
this._name = member.Name;
this._nilImplication = Serialization.NilImplication.MemberDefault;
this._id = UnspecifiedId;
}
/// <summary>
/// Initializes a new instance of the <see cref="DataMemberContract"/> struct from <see cref="MessagePackMemberAttribute"/>.
/// </summary>
/// <param name="member">The target member.</param>
/// <param name="attribute">The MessagePack member attribute.</param>
public DataMemberContract( MemberInfo member, MessagePackMemberAttribute attribute )
{
#if !UNITY
Contract.Requires( member != null );
Contract.Requires( attribute != null );
#endif // !UNITY
if ( attribute.Id < 0 )
{
throw new SerializationException( String.Format( CultureInfo.CurrentCulture, "The member ID cannot be negative. The member is '{0}' in the '{1}' type.", member.Name, member.DeclaringType ) );
}
this._name = String.IsNullOrEmpty( attribute.Name ) ? member.Name : attribute.Name;
this._nilImplication = attribute.NilImplication;
this._id = attribute.Id;
}
/// <summary>
/// Initializes a new instance of the <see cref="DataMemberContract"/> struct.
/// </summary>
/// <param name="member">The target member.</param>
/// <param name="name">The name of member.</param>
/// <param name="nilImplication">The implication of the nil value for the member.</param>
/// <param name="id">The ID of the member. This value cannot be negative and must be unique in the type.</param>
public DataMemberContract( MemberInfo member, string name, NilImplication nilImplication, int? id )
{
#if !UNITY
Contract.Requires( member != null );
#endif // !UNITY
if ( id < 0 )
{
throw new SerializationException( String.Format( CultureInfo.CurrentCulture, "The member ID cannot be negative. The member is '{0}' in the '{1}' type.", member.Name, member.DeclaringType ) );
}
this._name = String.IsNullOrEmpty( name ) ? member.Name : name;
this._nilImplication = nilImplication;
this._id = id ?? UnspecifiedId;
}
/// <summary>
/// Initializes a new instance of the <see cref="DataMemberContract"/> struct.
/// </summary>
/// <param name="member">The target member.</param>
public DataMemberContract( MemberInfo member )
{
#if !UNITY
Contract.Requires( member != null );
#endif // !UNITY
this._name = member.Name;
this._nilImplication = NilImplication.MemberDefault;
this._id = UnspecifiedId;
}
public DataMemberContract()
{
this._name = null;
this._nilImplication = NilImplication.MemberDefault;
this._id = UnspecifiedId;
}
/// <summary>
/// Emits the serializing value instructions.
/// </summary>
/// <param name="emitter">The emitter.</param>
/// <param name="il">The il generator.</param>
/// <param name="packerArgumentIndex">Index of the packer argument.</param>
/// <param name="valueType">Type of the current member value.</param>
/// <param name="memberName">Name of the current member.</param>
/// <param name="nilImplication">The nil implication of the current member.</param>
/// <param name="loadValueEmitter">The delegate which emits case specific value loading instructions.</param>
/// <param name="localHolder">The <see cref="LocalVariableHolder"/> which holds shared local variable information.</param>
public static void EmitSerializeValue(SerializerEmitter emitter, TracingILGenerator il, int packerArgumentIndex, Type valueType, string memberName, NilImplication nilImplication, Action <TracingILGenerator> loadValueEmitter, LocalVariableHolder localHolder)
{
Contract.Requires(emitter != null);
Contract.Requires(il != null);
Contract.Requires(packerArgumentIndex >= 0);
Contract.Requires(valueType != null);
Contract.Requires(loadValueEmitter != null);
/*
* var serializingValue = LOAD_VALUE;
* NULL_PROHIBIT_HANDLING
* GET_SERIALIZER.PackTo( packer, serializingValue );
*/
var value = localHolder.GetSerializingValue(valueType);
loadValueEmitter(il);
il.EmitAnyStloc(value);
if (memberName != null && nilImplication == NilImplication.Prohibit)
{
/*
* if( serializingValue == null )(
* {
* throw SerializationExceptions.NewNullIsProhibited();
* }
*/
if (!valueType.IsValueType)
{
il.EmitAnyLdloc(value);
var endIf = il.DefineLabel("END_IF");
il.EmitBrtrue_S(endIf);
il.EmitLdstr(memberName);
il.EmitAnyCall(SerializationExceptions.NewNullIsProhibitedMethod);
il.EmitThrow();
il.MarkLabel(endIf);
}
else if (Nullable.GetUnderlyingType(valueType) != null)
{
il.EmitAnyLdloca(value);
il.EmitGetProperty(typeof(Nullable <>).MakeGenericType(Nullable.GetUnderlyingType(valueType)).GetProperty("HasValue"));
var endIf = il.DefineLabel("END_IF");
il.EmitBrtrue_S(endIf);
il.EmitLdstr(memberName);
il.EmitAnyCall(SerializationExceptions.NewNullIsProhibitedMethod);
il.EmitThrow();
il.MarkLabel(endIf);
}
}
var serializerGetter = emitter.RegisterSerializer(valueType);
serializerGetter(il, 0);
il.EmitAnyLdarg(packerArgumentIndex);
il.EmitAnyLdloc(value);
il.EmitAnyCall(typeof(MessagePackSerializer <>).MakeGenericType(valueType).GetMethod("PackTo"));
}
internal static object ReadMsgPackInt(BinaryReader reader, NilImplication nilImplication, byte header = 0)
{
object result = null;
byte v = header == 0 ? ReadHeader(typeof(long), reader, nilImplication, out result) : header;
if (v != MsgPackConstants.Formats.NIL)
{
if (v <= MsgPackConstants.FixedInteger.POSITIVE_MAX)
{
result = v;
}
else if (v >= MsgPackConstants.FixedInteger.NEGATIVE_MIN)
{
result = -(v - MsgPackConstants.FixedInteger.NEGATIVE_MIN);
}
else if (v == MsgPackConstants.Formats.UINT_8)
{
result = reader.ReadByte();
}
else if (v == MsgPackConstants.Formats.UINT_16)
{
result = (reader.ReadByte() << 8) +
reader.ReadByte();
}
else if (v == MsgPackConstants.Formats.UINT_32)
{
result = (uint)(reader.ReadByte() << 24) +
(uint)(reader.ReadByte() << 16) +
(uint)(reader.ReadByte() << 8) +
(uint)reader.ReadByte();
}
else if (v == MsgPackConstants.Formats.UINT_64)
{
result = (ulong)(reader.ReadByte() << 56) +
(ulong)(reader.ReadByte() << 48) +
(ulong)(reader.ReadByte() << 40) +
(ulong)(reader.ReadByte() << 32) +
(ulong)(reader.ReadByte() << 24) +
(ulong)(reader.ReadByte() << 16) +
(ulong)(reader.ReadByte() << 8) +
(ulong)reader.ReadByte();
}
else if (v == MsgPackConstants.Formats.INT_8)
{
result = reader.ReadSByte();
}
else if (v == MsgPackConstants.Formats.INT_16)
{
byte[] data = reader.ReadBytes(2);
if (BitConverter.IsLittleEndian)
{
Array.Reverse(data);
}
result = BitConverter.ToInt16(data, 0);
}
else if (v == MsgPackConstants.Formats.INT_32)
{
byte[] data = reader.ReadBytes(4);
if (BitConverter.IsLittleEndian)
{
Array.Reverse(data);
}
result = BitConverter.ToInt32(data, 0);
}
else if (v == MsgPackConstants.Formats.INT_64)
{
byte[] data = reader.ReadBytes(8);
if (BitConverter.IsLittleEndian)
{
Array.Reverse(data);
}
result = BitConverter.ToInt64(data, 0);
}
else
{
throw new ApplicationException("Serialized data doesn't match type being deserialized to");
}
}
return(result);
}
/// <summary>
/// Emits the nil implication.
/// </summary>
/// <param name="il">The il generator.</param>
/// <param name="unpackerArgumentIndex">Index of the unpacker argument.</param>
/// <param name="memberName">Name of the deserializing member.</param>
/// <param name="nilImplication">The nil implication.</param>
/// <param name="endOfDeserialization">The label to the end of deserialization.</param>
/// <param name="localHolder">The <see cref="LocalVariableHolder"/> which holds shared local variable information.</param>
public static void EmitNilImplication(
TracingILGenerator il,
int unpackerArgumentIndex,
string memberName,
NilImplication nilImplication,
Label endOfDeserialization,
LocalVariableHolder localHolder
)
{
switch (nilImplication)
{
case NilImplication.MemberDefault:
{
// TODO: This should be empty for extra items.
/*
* if( unpacker.Data.Value.IsNil )
* {
* // Skip current.
* goto END_OF_DESERIALIZATION;
* }
*/
il.EmitAnyLdarg(unpackerArgumentIndex);
il.EmitGetProperty(Metadata._Unpacker.Data);
var data = localHolder.UnpackedData;
il.EmitAnyStloc(data);
il.EmitAnyLdloca(data);
il.EmitGetProperty(Metadata._Nullable <MessagePackObject> .Value);
var dataValue = localHolder.UnpackedDataValue;
il.EmitAnyStloc(dataValue);
il.EmitAnyLdloca(dataValue);
il.EmitGetProperty(Metadata._MessagePackObject.IsNil);
il.EmitBrtrue(endOfDeserialization);
break;
}
case NilImplication.Prohibit:
{
/*
* if( unpacker.Data.Value.IsNil )
* {
* throw SerializationEceptions.NewProhibitNullException( "..." );
* }
*/
il.EmitAnyLdarg(unpackerArgumentIndex);
il.EmitGetProperty(Metadata._Unpacker.Data);
var data = localHolder.UnpackedData;
il.EmitAnyStloc(data);
il.EmitAnyLdloca(data);
il.EmitGetProperty(Metadata._Nullable <MessagePackObject> .Value);
var dataValue = localHolder.UnpackedDataValue;
il.EmitAnyStloc(dataValue);
il.EmitAnyLdloca(dataValue);
il.EmitGetProperty(Metadata._MessagePackObject.IsNil);
var endIf0 = il.DefineLabel("END_IF0");
il.EmitBrfalse_S(endIf0);
il.EmitLdstr(memberName);
il.EmitAnyCall(SerializationExceptions.NewNullIsProhibitedMethod);
il.EmitThrow();
il.MarkLabel(endIf0);
break;
}
}
}
internal static object DeserializeValue(Type type, BinaryReader reader, NilImplication nilImplication)
{
object result = null;
bool isRichType = false;
if (type == typeof(string))
{
result = ReadMsgPackString(reader, nilImplication);
}
else if (type == typeof(int) || type == typeof(uint) ||
type == typeof(byte) || type == typeof(sbyte) ||
type == typeof(short) || type == typeof(ushort) ||
type == typeof(long) || type == typeof(ulong) ||
type == typeof(int?) || type == typeof(uint?) ||
type == typeof(byte?) || type == typeof(sbyte?) ||
type == typeof(short?) || type == typeof(ushort?) ||
type == typeof(long?) || type == typeof(ulong?))
{
result = ReadMsgPackInt(reader, nilImplication);
}
else if (type == typeof(char))
{
result = ReadMsgPackInt(reader, nilImplication);
}
else if (type == typeof(float))
{
result = ReadMsgPackFloat(reader, nilImplication);
}
else if (type == typeof(double))
{
result = ReadMsgPackDouble(reader, nilImplication);
}
else if (type == typeof(Boolean) || type == typeof(bool))
{
result = ReadMsgPackBoolean(reader, nilImplication);
}
else if (type == typeof(DateTime))
{
object boxedVal = ReadMsgPackInt(reader, nilImplication);
if (boxedVal == null)
{
result = null;
}
else
{
long unixEpochTicks = (long)boxedVal;
result = ToDateTime(unixEpochTicks);
}
}
else if (type == typeof(TimeSpan))
{
object boxedVal = ReadMsgPackInt(reader, nilImplication);
if (boxedVal == null)
{
result = null;
}
else
{
int unixEpochTicks = (int)boxedVal;
result = ToTimeSpan(unixEpochTicks);
}
}
else if (type.IsEnum)
{
object boxedVal = ReadMsgPackString(reader, nilImplication);
if (boxedVal == null)
{
result = null;
}
else
{
string enumVal = (string)boxedVal;
if (enumVal == "")
{
result = null;
}
else
{
result = Enum.Parse(type, enumVal);
}
}
}
else if (type.IsArray)
{
int numElements = MsgPackIO.ReadNumArrayElements(reader);
if (numElements == -1)
{
result = null;
}
else
{
result = Activator.CreateInstance(type, new object[] { numElements });
MsgPackIO.DeserializeArray((Array)result, numElements, reader);
}
}
else if (type == typeof(System.Object))
{
byte header = reader.ReadByte();
if (header == MsgPackConstants.Formats.NIL)
{
result = null;
}
else if (header == MsgPackConstants.Bool.TRUE)
{
result = true;
}
else if (header == MsgPackConstants.Bool.FALSE)
{
result = false;
}
else if (header == MsgPackConstants.Formats.FLOAT_64)
{
result = ReadMsgPackDouble(reader, nilImplication, header);
}
else if (header == MsgPackConstants.Formats.FLOAT_32)
{
result = ReadMsgPackFloat(reader, nilImplication, header);
}
else if (header == MsgPackConstants.Formats.INTEGER_16)
{
result = ReadMsgPackInt(reader, nilImplication, header);
}
else if (header == MsgPackConstants.Formats.INTEGER_32)
{
result = ReadMsgPackInt(reader, nilImplication, header);
}
else if (header == MsgPackConstants.Formats.INTEGER_64)
{
result = ReadMsgPackInt(reader, nilImplication, header);
}
else if (header == MsgPackConstants.Formats.INTEGER_8)
{
result = ReadMsgPackInt(reader, nilImplication, header);
}
else if (header == MsgPackConstants.Formats.STRING_8)
{
result = ReadMsgPackString(reader, nilImplication, header);
}
else if (header == MsgPackConstants.Formats.STRING_16)
{
result = ReadMsgPackString(reader, nilImplication, header);
}
else if (header == MsgPackConstants.Formats.STRING_32)
{
result = ReadMsgPackString(reader, nilImplication, header);
}
else if (header >= MsgPackConstants.FixedString.MIN && header <= MsgPackConstants.FixedString.MAX)
{
result = ReadMsgPackString(reader, nilImplication, header);
}
else if (header == MsgPackConstants.Formats.UNSIGNED_INTEGER_8)
{
result = ReadMsgPackInt(reader, nilImplication, header);
}
else if (header == MsgPackConstants.Formats.UNSIGNED_INTEGER_16)
{
result = ReadMsgPackInt(reader, nilImplication, header);
}
else if (header == MsgPackConstants.Formats.UNSIGNED_INTEGER_32)
{
result = ReadMsgPackInt(reader, nilImplication, header);
}
else if (header == MsgPackConstants.Formats.UNSIGNED_INTEGER_64)
{
result = ReadMsgPackInt(reader, nilImplication, header);
}
else if (header >= MsgPackConstants.FixedInteger.POSITIVE_MIN && header <= MsgPackConstants.FixedInteger.POSITIVE_MAX)
{
if (header == 0)
{
result = 0;
}
else
{
result = ReadMsgPackInt(reader, nilImplication, header);
}
}
else if (header >= MsgPackConstants.FixedInteger.NEGATIVE_MIN && header <= MsgPackConstants.FixedInteger.NEGATIVE_MAX)
{
result = ReadMsgPackInt(reader, nilImplication, header);
}
else if ((header >= MsgPackConstants.FixedMap.MIN && header <= MsgPackConstants.FixedMap.MAX) ||
header == MsgPackConstants.Formats.MAP_16 || header == MsgPackConstants.Formats.MAP_32)
{
result = new Dictionary <string, object>();
MsgPackIO.DeserializeCollection((Dictionary <string, object>)result, reader, header);
}
else
{
isRichType = true;
}
}
else
{
isRichType = true;
}
if (isRichType)
{
ConstructorInfo constructorInfo = type.GetConstructor(Type.EmptyTypes);
if (constructorInfo == null)
{
throw new ApplicationException("Can't deserialize Type [" + type + "] because it has no default constructor");
}
result = constructorInfo.Invoke(SerializableProperty.EmptyObjArgs);
result = MsgPackSerializer.DeserializeObject(result, reader, nilImplication);
}
return(result);
}
/// <summary>
/// Emits the deserialize collection value.
/// </summary>
/// <param name="emitter">The emitter.</param>
/// <param name="il">The il generator.</param>
/// <param name="unpackerArgumentIndex">Index of the unpacker argument.</param>
/// <param name="target">The target collection variable.</param>
/// <param name="member">The deserializing member metadata which holds the collection.</param>
/// <param name="memberType">Type of the deserializing member.</param>
/// <param name="nilImplication">The nil implication.</param>
/// <param name="localHolder">The <see cref="LocalVariableHolder"/> which holds shared local variable information.</param>
public static void EmitDeserializeCollectionValue(SerializerEmitter emitter, TracingILGenerator il, int unpackerArgumentIndex, LocalBuilder target, MemberInfo member, Type memberType, NilImplication nilImplication, LocalVariableHolder localHolder)
{
Contract.Requires(emitter != null);
Contract.Requires(il != null);
Contract.Requires(unpackerArgumentIndex >= 0);
Contract.Requires(target != null);
Contract.Requires(member != null);
Contract.Requires(memberType != null);
Contract.Requires(localHolder != null);
var endOfDeserialization = il.DefineLabel("END_OF_DESERIALIZATION");
EmitGeneralRead(il, unpackerArgumentIndex);
switch (nilImplication)
{
case NilImplication.MemberDefault:
{
/*
* if( unpacker.Data.Value.IsNil )
* {
* // Skip current.
* goto END_OF_DESERIALIZATION;
* }
*/
il.EmitAnyLdarg(unpackerArgumentIndex);
il.EmitGetProperty(Metadata._Unpacker.Data);
var data = localHolder.UnpackedData;
il.EmitAnyStloc(data);
il.EmitAnyLdloca(data);
il.EmitGetProperty(Metadata._Nullable <MessagePackObject> .Value);
var dataValue = localHolder.UnpackedDataValue;
il.EmitAnyStloc(dataValue);
il.EmitAnyLdloca(dataValue);
il.EmitGetProperty(Metadata._MessagePackObject.IsNil);
il.EmitBrtrue(endOfDeserialization);
break;
}
case NilImplication.Null:
case NilImplication.Prohibit:
{
/*
* // for Prohibit
* if( unpacker.Data.Value.IsNil )
* {
* throw SerializationEceptions.NewProhibitNullException( "..." );
* }
*
* // for Null, and
* if( unpacker.Data.Value.IsNil )
* {
* throw SerializationEceptions.NewReadOnlyMemberItemsMustNotBeNullMethod( "..." );
* }
*/
il.EmitAnyLdarg(unpackerArgumentIndex);
il.EmitGetProperty(Metadata._Unpacker.Data);
var data = localHolder.UnpackedData;
il.EmitAnyStloc(data);
il.EmitAnyLdloca(data);
il.EmitGetProperty(Metadata._Nullable <MessagePackObject> .Value);
var dataValue = localHolder.UnpackedDataValue;
il.EmitAnyStloc(dataValue);
il.EmitAnyLdloca(dataValue);
il.EmitGetProperty(Metadata._MessagePackObject.IsNil);
var endIf0 = il.DefineLabel("END_IF0");
il.EmitBrfalse_S(endIf0);
il.EmitLdstr(member.Name);
if (nilImplication == NilImplication.Prohibit)
{
il.EmitAnyCall(SerializationExceptions.NewNullIsProhibitedMethod);
}
else
{
// Because result member is readonly collection, so the member will not be null if packed value was nil.
il.EmitAnyCall(SerializationExceptions.NewReadOnlyMemberItemsMustNotBeNullMethod);
}
il.EmitThrow();
il.MarkLabel(endIf0);
break;
}
}
/*
* if( !unpacker.IsArrayHeader && !unpacker.IsMapHeader )
* {
* throw new SerializatonException( "Cannot deserialize..." );
* }
*
* using( var subtreeUnpacker = unpacker.ReadSubtree() )
* {
* GET_SERIALIZER.UnpackTo( unpacker, result ) )
* }
*
* END_OF_DESERIALIZATION:
*/
var endIf = il.DefineLabel("THEN");
var serializerGetter = emitter.RegisterSerializer(memberType);
il.EmitAnyLdarg(unpackerArgumentIndex);
il.EmitGetProperty(Metadata._Unpacker.IsArrayHeader);
il.EmitBrtrue_S(endIf);
il.EmitAnyLdarg(unpackerArgumentIndex);
il.EmitGetProperty(Metadata._Unpacker.IsMapHeader);
il.EmitBrtrue_S(endIf);
// else
il.EmitLdstr(member.Name);
il.EmitAnyCall(SerializationExceptions.NewStreamDoesNotContainCollectionForMemberMethod);
il.EmitThrow();
// then
var subtreeUnpacker = localHolder.SubtreeUnpacker;
il.MarkLabel(endIf);
EmitUnpackerBeginReadSubtree(il, unpackerArgumentIndex, subtreeUnpacker);
serializerGetter(il, 0);
il.EmitAnyLdloc(subtreeUnpacker);
il.EmitAnyLdloc(target);
Emittion.EmitLoadValue(il, member);
il.EmitAnyCall(typeof(MessagePackSerializer <>).MakeGenericType(memberType).GetMethod("UnpackTo", new[] { typeof(Unpacker), memberType }));
EmitUnpackerEndReadSubtree(il, subtreeUnpacker);
il.MarkLabel(endOfDeserialization);
}
public static void EmitDeserializeCollectionValue(SerializerEmitter emitter, TracingILGenerator il, int unpackerArgumentIndex, LocalBuilder target, MemberInfo member, Type memberType, NilImplication nilImplication, LocalVariableHolder localHolder)
{
LocalBuilder unpackedData;
LocalBuilder unpackedDataValue;
Label label2;
Label label3;
Contract.Requires(emitter != null);
Contract.Requires(il != null);
Contract.Requires(unpackerArgumentIndex >= 0);
Contract.Requires(target != null);
Contract.Requires(member != null);
Contract.Requires(memberType != null);
Contract.Requires(localHolder != null);
Label label = il.DefineLabel("END_OF_DESERIALIZATION");
EmitGeneralRead(il, unpackerArgumentIndex);
switch (nilImplication)
{
case NilImplication.MemberDefault:
il.EmitAnyLdarg(unpackerArgumentIndex);
il.EmitGetProperty(_Unpacker.Data);
unpackedData = localHolder.UnpackedData;
il.EmitAnyStloc(unpackedData);
il.EmitAnyLdloca(unpackedData);
il.EmitGetProperty(_Nullable <MessagePackObject> .Value);
unpackedDataValue = localHolder.UnpackedDataValue;
il.EmitAnyStloc(unpackedDataValue);
il.EmitAnyLdloca(unpackedDataValue);
il.EmitGetProperty(_MessagePackObject.IsNil);
il.EmitBrtrue(label);
goto Label_01B5;
case NilImplication.Null:
case NilImplication.Prohibit:
il.EmitAnyLdarg(unpackerArgumentIndex);
il.EmitGetProperty(_Unpacker.Data);
unpackedData = localHolder.UnpackedData;
il.EmitAnyStloc(unpackedData);
il.EmitAnyLdloca(unpackedData);
il.EmitGetProperty(_Nullable <MessagePackObject> .Value);
unpackedDataValue = localHolder.UnpackedDataValue;
il.EmitAnyStloc(unpackedDataValue);
il.EmitAnyLdloca(unpackedDataValue);
il.EmitGetProperty(_MessagePackObject.IsNil);
label2 = il.DefineLabel("END_IF0");
il.EmitBrfalse_S(label2);
il.EmitLdstr(member.Name);
if (nilImplication != NilImplication.Prohibit)
{
il.EmitAnyCall(SerializationExceptions.NewReadOnlyMemberItemsMustNotBeNullMethod);
break;
}
il.EmitAnyCall(SerializationExceptions.NewNullIsProhibitedMethod);
break;
default:
goto Label_01B5;
}
il.EmitThrow();
il.MarkLabel(label2);
Label_01B5:
label3 = il.DefineLabel("THEN");
Action <TracingILGenerator, int> action = emitter.RegisterSerializer(memberType);
il.EmitAnyLdarg(unpackerArgumentIndex);
il.EmitGetProperty(_Unpacker.IsArrayHeader);
il.EmitBrtrue_S(label3);
il.EmitAnyLdarg(unpackerArgumentIndex);
il.EmitGetProperty(_Unpacker.IsMapHeader);
il.EmitBrtrue_S(label3);
il.EmitLdstr(member.Name);
il.EmitAnyCall(SerializationExceptions.NewStreamDoesNotContainCollectionForMemberMethod);
il.EmitThrow();
LocalBuilder subtreeUnpacker = localHolder.SubtreeUnpacker;
il.MarkLabel(label3);
EmitUnpackerBeginReadSubtree(il, unpackerArgumentIndex, subtreeUnpacker);
action(il, 0);
il.EmitAnyLdloc(subtreeUnpacker);
il.EmitAnyLdloc(target);
EmitLoadValue(il, member);
il.EmitAnyCall(typeof(MessagePackSerializer <>).MakeGenericType(new Type[] { memberType }).GetMethod("UnpackTo", new Type[] { typeof(Unpacker), memberType }));
EmitUnpackerEndReadSubtree(il, subtreeUnpacker);
il.MarkLabel(label);
}
public static void EmitDeserializeValue( SerializerEmitter emitter, TracingILGenerator il, int unpackerArgumentIndex, LocalBuilder value, NilImplication nilImplication, Action<TracingILGenerator, int> customUnpackerReading )
{
Contract.Requires( emitter != null );
Contract.Requires( il != null );
Contract.Requires( unpackerArgumentIndex >= 0 );
Contract.Requires( value != null );
if ( customUnpackerReading != null )
{
customUnpackerReading( il, unpackerArgumentIndex );
}
var endOfDeserialization = il.DefineLabel( "END_OF_DESERIALIZATION" );
/*
*
* if( !unpacker.IsArrayHeader && !unpacker.IsMapHeader )
* {
* valueN = GET_SERIALIZER.UnpackFrom( unpacker );
* }
* else
* {
* using( var subtreeUnpacker = unpacker.ReadSubtree )
* {
* valueN = GET_SERIALIZER.UnpackFrom( unpacker );
* }
* }
*
* isValueNUnpacked = true;
* END_OF_DESERIALIZATION:
*/
var then = il.DefineLabel( "THEN" );
var endIf = il.DefineLabel( "END_IF" );
var serializerGetter = emitter.RegisterSerializer( value.LocalType );
il.EmitAnyLdarg( unpackerArgumentIndex );
il.EmitGetProperty( Metadata._Unpacker.IsArrayHeader );
il.EmitBrtrue_S( then );
il.EmitAnyLdarg( unpackerArgumentIndex );
il.EmitGetProperty( Metadata._Unpacker.IsMapHeader );
il.EmitBrtrue_S( then );
// else
serializerGetter( il, 0 );
il.EmitAnyLdarg( unpackerArgumentIndex );
il.EmitAnyCall( typeof( MessagePackSerializer<> ).MakeGenericType( value.LocalType ).GetMethod( "UnpackFrom" ) );
il.EmitAnyStloc( value );
il.EmitBr_S( endIf );
// then
var subtreeUnpacker = il.DeclareLocal( typeof( Unpacker ), "subtreeUnpacker" );
il.MarkLabel( then );
EmitUnpackerBeginReadSubtree( il, unpackerArgumentIndex, subtreeUnpacker );
serializerGetter( il, 0 );
il.EmitAnyLdloc( subtreeUnpacker );
il.EmitAnyCall( typeof( MessagePackSerializer<> ).MakeGenericType( value.LocalType ).GetMethod( "UnpackFrom" ) );
il.EmitAnyStloc( value );
EmitUnpackerEndReadSubtree( il, subtreeUnpacker );
il.MarkLabel( endIf );
il.MarkLabel( endOfDeserialization );
}
/// <summary>
/// Initializes a new instance of the <see cref="DataMemberContract"/> struct from <see cref="DataMemberAttribute"/>.
/// </summary>
/// <param name="member">The target member.</param>
/// <param name="attribute">The data contract member attribute. This value can be <c>null</c>.</param>
public DataMemberContract( MemberInfo member, DataMemberAttribute attribute )
{
Contract.Requires( member != null );
Contract.Requires( attribute != null );
this._name = String.IsNullOrEmpty( attribute.Name ) ? member.Name : attribute.Name;
this._nilImplication = Serialization.NilImplication.MemberDefault;
this._id = attribute.Order;
}
/// <summary>
/// Emits the deserialize collection value.
/// </summary>
/// <param name="emitter">The emitter.</param>
/// <param name="il">The il generator.</param>
/// <param name="unpackerArgumentIndex">Index of the unpacker argument.</param>
/// <param name="target">The target collection variable.</param>
/// <param name="member">The deserializing member metadata which holds the collection.</param>
/// <param name="memberType">Type of the deserializing member.</param>
/// <param name="nilImplication">The nil implication.</param>
/// <param name="localHolder">The <see cref="LocalVariableHolder"/> which holds shared local variable information.</param>
public static void EmitDeserializeCollectionValue( SerializerEmitter emitter, TracingILGenerator il, int unpackerArgumentIndex, LocalBuilder target, MemberInfo member, Type memberType, NilImplication nilImplication, LocalVariableHolder localHolder )
{
Contract.Requires( emitter != null );
Contract.Requires( il != null );
Contract.Requires( unpackerArgumentIndex >= 0 );
Contract.Requires( target != null );
Contract.Requires( member != null );
Contract.Requires( memberType != null );
Contract.Requires( localHolder != null );
var endOfDeserialization = il.DefineLabel( "END_OF_DESERIALIZATION" );
EmitGeneralRead( il, unpackerArgumentIndex );
switch ( nilImplication )
{
case NilImplication.MemberDefault:
{
/*
* if( unpacker.Data.Value.IsNil )
* {
* // Skip current.
* goto END_OF_DESERIALIZATION;
* }
*/
il.EmitAnyLdarg( unpackerArgumentIndex );
il.EmitGetProperty( Metadata._Unpacker.Data );
var data = localHolder.UnpackedData;
il.EmitAnyStloc( data );
il.EmitAnyLdloca( data );
il.EmitGetProperty( Metadata._Nullable<MessagePackObject>.Value );
var dataValue = localHolder.UnpackedDataValue;
il.EmitAnyStloc( dataValue );
il.EmitAnyLdloca( dataValue );
il.EmitGetProperty( Metadata._MessagePackObject.IsNil );
il.EmitBrtrue( endOfDeserialization );
break;
}
case NilImplication.Null:
case NilImplication.Prohibit:
{
/*
* // for Prohibit
* if( unpacker.Data.Value.IsNil )
* {
* throw SerializationEceptions.NewProhibitNullException( "..." );
* }
*
* // for Null, and
* if( unpacker.Data.Value.IsNil )
* {
* throw SerializationEceptions.NewReadOnlyMemberItemsMustNotBeNullMethod( "..." );
* }
*/
il.EmitAnyLdarg( unpackerArgumentIndex );
il.EmitGetProperty( Metadata._Unpacker.Data );
var data = localHolder.UnpackedData;
il.EmitAnyStloc( data );
il.EmitAnyLdloca( data );
il.EmitGetProperty( Metadata._Nullable<MessagePackObject>.Value );
var dataValue = localHolder.UnpackedDataValue;
il.EmitAnyStloc( dataValue );
il.EmitAnyLdloca( dataValue );
il.EmitGetProperty( Metadata._MessagePackObject.IsNil );
var endIf0 = il.DefineLabel( "END_IF0" );
il.EmitBrfalse_S( endIf0 );
il.EmitLdstr( member.Name );
if ( nilImplication == NilImplication.Prohibit )
{
il.EmitAnyCall( SerializationExceptions.NewNullIsProhibitedMethod );
}
else
{
// Because result member is readonly collection, so the member will not be null if packed value was nil.
il.EmitAnyCall( SerializationExceptions.NewReadOnlyMemberItemsMustNotBeNullMethod );
}
il.EmitThrow();
il.MarkLabel( endIf0 );
break;
}
}
/*
* if( !unpacker.IsArrayHeader && !unpacker.IsMapHeader )
* {
* throw new SerializatonException( "Cannot deserialize..." );
* }
*
* using( var subtreeUnpacker = unpacker.ReadSubtree() )
* {
* GET_SERIALIZER.UnpackTo( unpacker, result ) )
* }
*
* END_OF_DESERIALIZATION:
*/
var endIf = il.DefineLabel( "THEN" );
var serializerGetter = emitter.RegisterSerializer( memberType );
il.EmitAnyLdarg( unpackerArgumentIndex );
il.EmitGetProperty( Metadata._Unpacker.IsArrayHeader );
il.EmitBrtrue_S( endIf );
il.EmitAnyLdarg( unpackerArgumentIndex );
il.EmitGetProperty( Metadata._Unpacker.IsMapHeader );
il.EmitBrtrue_S( endIf );
// else
il.EmitLdstr( member.Name );
il.EmitAnyCall( SerializationExceptions.NewStreamDoesNotContainCollectionForMemberMethod );
il.EmitThrow();
// then
var subtreeUnpacker = localHolder.SubtreeUnpacker;
il.MarkLabel( endIf );
EmitUnpackerBeginReadSubtree( il, unpackerArgumentIndex, subtreeUnpacker );
serializerGetter( il, 0 );
il.EmitAnyLdloc( subtreeUnpacker );
il.EmitAnyLdloc( target );
Emittion.EmitLoadValue( il, member );
il.EmitAnyCall( typeof( MessagePackSerializer<> ).MakeGenericType( memberType ).GetMethod( "UnpackTo", new[] { typeof( Unpacker ), memberType } ) );
EmitUnpackerEndReadSubtree( il, subtreeUnpacker );
il.MarkLabel( endOfDeserialization );
}
/// <summary>
/// Emits the serializing value instructions.
/// </summary>
/// <param name="emitter">The emitter.</param>
/// <param name="il">The il generator.</param>
/// <param name="packerArgumentIndex">Index of the packer argument.</param>
/// <param name="valueType">Type of the current member value.</param>
/// <param name="memberName">Name of the current member.</param>
/// <param name="nilImplication">The nil implication of the current member.</param>
/// <param name="loadValueEmitter">The delegate which emits case specific value loading instructions.</param>
/// <param name="localHolder">The <see cref="LocalVariableHolder"/> which holds shared local variable information.</param>
public static void EmitSerializeValue( SerializerEmitter emitter, TracingILGenerator il, int packerArgumentIndex, Type valueType, string memberName, NilImplication nilImplication, Action<TracingILGenerator> loadValueEmitter, LocalVariableHolder localHolder )
{
Contract.Requires( emitter != null );
Contract.Requires( il != null );
Contract.Requires( packerArgumentIndex >= 0 );
Contract.Requires( valueType != null );
Contract.Requires( loadValueEmitter != null );
/*
* var serializingValue = LOAD_VALUE;
* NULL_PROHIBIT_HANDLING
* GET_SERIALIZER.PackTo( packer, serializingValue );
*/
var value = localHolder.GetSerializingValue( valueType );
loadValueEmitter( il );
il.EmitAnyStloc( value );
if ( memberName != null && nilImplication == NilImplication.Prohibit )
{
/*
* if( serializingValue == null )(
* {
* throw SerializationExceptions.NewNullIsProhibited();
* }
*/
if ( !valueType.IsValueType )
{
il.EmitAnyLdloc( value );
var endIf = il.DefineLabel( "END_IF" );
il.EmitBrtrue_S( endIf );
il.EmitLdstr( memberName );
il.EmitAnyCall( SerializationExceptions.NewNullIsProhibitedMethod );
il.EmitThrow();
il.MarkLabel( endIf );
}
else if ( Nullable.GetUnderlyingType( valueType ) != null )
{
il.EmitAnyLdloca( value );
il.EmitGetProperty( typeof( Nullable<> ).MakeGenericType( Nullable.GetUnderlyingType( valueType ) ).GetProperty( "HasValue" ) );
var endIf = il.DefineLabel( "END_IF" );
il.EmitBrtrue_S( endIf );
il.EmitLdstr( memberName );
il.EmitAnyCall( SerializationExceptions.NewNullIsProhibitedMethod );
il.EmitThrow();
il.MarkLabel( endIf );
}
}
var serializerGetter = emitter.RegisterSerializer( valueType );
serializerGetter( il, 0 );
il.EmitAnyLdarg( packerArgumentIndex );
il.EmitAnyLdloc( value );
il.EmitAnyCall( typeof( MessagePackSerializer<> ).MakeGenericType( valueType ).GetMethod( "PackTo" ) );
}
/// <summary>
/// Emits the nil implication.
/// </summary>
/// <param name="il">The il generator.</param>
/// <param name="unpackerArgumentIndex">Index of the unpacker argument.</param>
/// <param name="memberName">Name of the deserializing member.</param>
/// <param name="nilImplication">The nil implication.</param>
/// <param name="endOfDeserialization">The label to the end of deserialization.</param>
/// <param name="localHolder">The <see cref="LocalVariableHolder"/> which holds shared local variable information.</param>
public static void EmitNilImplication(
TracingILGenerator il,
int unpackerArgumentIndex,
string memberName,
NilImplication nilImplication,
Label endOfDeserialization,
LocalVariableHolder localHolder
)
{
switch ( nilImplication )
{
case NilImplication.MemberDefault:
{
// TODO: This should be empty for extra items.
/*
* if( unpacker.Data.Value.IsNil )
* {
* // Skip current.
* goto END_OF_DESERIALIZATION;
* }
*/
il.EmitAnyLdarg( unpackerArgumentIndex );
il.EmitGetProperty( Metadata._Unpacker.Data );
var data = localHolder.UnpackedData;
il.EmitAnyStloc( data );
il.EmitAnyLdloca( data );
il.EmitGetProperty( Metadata._Nullable<MessagePackObject>.Value );
var dataValue = localHolder.UnpackedDataValue;
il.EmitAnyStloc( dataValue );
il.EmitAnyLdloca( dataValue );
il.EmitGetProperty( Metadata._MessagePackObject.IsNil );
il.EmitBrtrue( endOfDeserialization );
break;
}
case NilImplication.Prohibit:
{
/*
* if( unpacker.Data.Value.IsNil )
* {
* throw SerializationEceptions.NewProhibitNullException( "..." );
* }
*/
il.EmitAnyLdarg( unpackerArgumentIndex );
il.EmitGetProperty( Metadata._Unpacker.Data );
var data = localHolder.UnpackedData;
il.EmitAnyStloc( data );
il.EmitAnyLdloca( data );
il.EmitGetProperty( Metadata._Nullable<MessagePackObject>.Value );
var dataValue = localHolder.UnpackedDataValue;
il.EmitAnyStloc( dataValue );
il.EmitAnyLdloca( dataValue );
il.EmitGetProperty( Metadata._MessagePackObject.IsNil );
var endIf0 = il.DefineLabel( "END_IF0" );
il.EmitBrfalse_S( endIf0 );
il.EmitLdstr( memberName );
il.EmitAnyCall( SerializationExceptions.NewNullIsProhibitedMethod );
il.EmitThrow();
il.MarkLabel( endIf0 );
break;
}
}
}
/// <summary>
/// Initializes a new instance of the <see cref="DataMemberContract"/> struct.
/// </summary>
/// <param name="member">The target member.</param>
public DataMemberContract( MemberInfo member )
{
Contract.Assert( member != null );
this._name = member.Name;
this._nilImplication = NilImplication.MemberDefault;
this._id = UnspecifiedId;
}
public DataMemberContract()
{
this._name = null;
this._nilImplication = NilImplication.MemberDefault;
this._id = UnspecifiedId;
}
public static void EmitNilImplication(TracingILGenerator il, int unpackerArgumentIndex, string memberName, NilImplication nilImplication, Label endOfDeserialization, LocalVariableHolder localHolder)
{
LocalBuilder unpackedData;
LocalBuilder unpackedDataValue;
switch (nilImplication)
{
case NilImplication.MemberDefault:
il.EmitAnyLdarg(unpackerArgumentIndex);
il.EmitGetProperty(_Unpacker.Data);
unpackedData = localHolder.UnpackedData;
il.EmitAnyStloc(unpackedData);
il.EmitAnyLdloca(unpackedData);
il.EmitGetProperty(_Nullable <MessagePackObject> .Value);
unpackedDataValue = localHolder.UnpackedDataValue;
il.EmitAnyStloc(unpackedDataValue);
il.EmitAnyLdloca(unpackedDataValue);
il.EmitGetProperty(_MessagePackObject.IsNil);
il.EmitBrtrue(endOfDeserialization);
break;
case NilImplication.Prohibit:
{
il.EmitAnyLdarg(unpackerArgumentIndex);
il.EmitGetProperty(_Unpacker.Data);
unpackedData = localHolder.UnpackedData;
il.EmitAnyStloc(unpackedData);
il.EmitAnyLdloca(unpackedData);
il.EmitGetProperty(_Nullable <MessagePackObject> .Value);
unpackedDataValue = localHolder.UnpackedDataValue;
il.EmitAnyStloc(unpackedDataValue);
il.EmitAnyLdloca(unpackedDataValue);
il.EmitGetProperty(_MessagePackObject.IsNil);
Label target = il.DefineLabel("END_IF0");
il.EmitBrfalse_S(target);
il.EmitLdstr(memberName);
il.EmitAnyCall(SerializationExceptions.NewNullIsProhibitedMethod);
il.EmitThrow();
il.MarkLabel(target);
break;
}
}
}
public static void EmitSerializeValue(SerializerEmitter emitter, TracingILGenerator il, int packerArgumentIndex, Type valueType, string memberName, NilImplication nilImplication, Action <TracingILGenerator> loadValueEmitter, LocalVariableHolder localHolder)
{
Contract.Requires(emitter != null);
Contract.Requires(il != null);
Contract.Requires(packerArgumentIndex >= 0);
Contract.Requires(valueType != null);
Contract.Requires(loadValueEmitter != null);
LocalBuilder serializingValue = localHolder.GetSerializingValue(valueType);
loadValueEmitter(il);
il.EmitAnyStloc(serializingValue);
if ((memberName != null) && (nilImplication == NilImplication.Prohibit))
{
Label label;
if (!valueType.IsValueType)
{
il.EmitAnyLdloc(serializingValue);
label = il.DefineLabel("END_IF");
il.EmitBrtrue_S(label);
il.EmitLdstr(memberName);
il.EmitAnyCall(SerializationExceptions.NewNullIsProhibitedMethod);
il.EmitThrow();
il.MarkLabel(label);
}
else if (Nullable.GetUnderlyingType(valueType) != null)
{
il.EmitAnyLdloca(serializingValue);
il.EmitGetProperty(typeof(Nullable <>).MakeGenericType(new Type[] { Nullable.GetUnderlyingType(valueType) }).GetProperty("HasValue"));
label = il.DefineLabel("END_IF");
il.EmitBrtrue_S(label);
il.EmitLdstr(memberName);
il.EmitAnyCall(SerializationExceptions.NewNullIsProhibitedMethod);
il.EmitThrow();
il.MarkLabel(label);
}
}
emitter.RegisterSerializer(valueType)(il, 0);
il.EmitAnyLdarg(packerArgumentIndex);
il.EmitAnyLdloc(serializingValue);
il.EmitAnyCall(typeof(MessagePackSerializer <>).MakeGenericType(new Type[] { valueType }).GetMethod("PackTo"));
}
public static void EmitDeserializeValue( SerializerEmitter emitter, TracingILGenerator il, int unpackerArgumentIndex, LocalBuilder value, LocalBuilder isUnpacked, string memberName, NilImplication nilImplication, Action<TracingILGenerator, int> customUnpackerReading )
{
Contract.Requires( emitter != null );
Contract.Requires( il != null );
Contract.Requires( unpackerArgumentIndex >= 0 );
Contract.Requires( value != null );
if ( customUnpackerReading != null )
{
customUnpackerReading( il, unpackerArgumentIndex );
}
var endOfDeserialization = il.DefineLabel( "END_OF_DESERIALIZATION" );
if ( memberName != null )
{
switch ( nilImplication )
{
case NilImplication.MemberDefault:
{
/*
* if( unpacker.Data.Value.IsNil )
* {
* // Skip current.
* goto END_OF_DESERIALIZATION;
* }
*/
il.EmitAnyLdarg( unpackerArgumentIndex );
il.EmitGetProperty( Metadata._Unpacker.Data );
var data = il.DeclareLocal( typeof( MessagePackObject? ), "data" );
il.EmitAnyStloc( data );
il.EmitAnyLdloca( data );
il.EmitGetProperty( Metadata._Nullable<MessagePackObject>.Value );
var dataValue = il.DeclareLocal( typeof( MessagePackObject ), "dataValue" );
il.EmitAnyStloc( dataValue );
il.EmitAnyLdloca( dataValue );
il.EmitGetProperty( Metadata._MessagePackObject.IsNil );
il.EmitBrtrue( endOfDeserialization );
break;
}
case NilImplication.Prohibit:
{
/*
* if( unpacker.Data.Value.IsNil )
* {
* throw SerializationEceptions.NewProhibitNullException( "..." );
* }
*/
il.EmitAnyLdarg( unpackerArgumentIndex );
il.EmitGetProperty( Metadata._Unpacker.Data );
var data = il.DeclareLocal( typeof( MessagePackObject? ), "data" );
il.EmitAnyStloc( data );
il.EmitAnyLdloca( data );
il.EmitGetProperty( Metadata._Nullable<MessagePackObject>.Value );
var dataValue = il.DeclareLocal( typeof( MessagePackObject ), "dataValue" );
il.EmitAnyStloc( dataValue );
il.EmitAnyLdloca( dataValue );
il.EmitGetProperty( Metadata._MessagePackObject.IsNil );
var endIf0 = il.DefineLabel( "END_IF0" );
il.EmitBrfalse_S( endIf0 );
il.EmitLdstr( memberName );
il.EmitAnyCall( SerializationExceptions.NewNullIsProhibitedMethod );
il.EmitThrow();
il.MarkLabel( endIf0 );
break;
}
}
}
/*
*
* if( !unpacker.IsArrayHeader && !unpacker.IsMapHeader )
* {
* valueN = GET_SERIALIZER.UnpackFrom( unpacker );
* }
* else
* {
* using( var subtreeUnpacker = unpacker.ReadSubtree )
* {
* valueN = GET_SERIALIZER.UnpackFrom( unpacker );
* }
* }
*
* isValueNUnpacked = true;
* END_OF_DESERIALIZATION:
*/
var then = il.DefineLabel( "THEN" );
var endIf = il.DefineLabel( "END_IF" );
var serializerGetter = emitter.RegisterSerializer( value.LocalType );
il.EmitAnyLdarg( unpackerArgumentIndex );
il.EmitGetProperty( Metadata._Unpacker.IsArrayHeader );
il.EmitBrtrue_S( then );
il.EmitAnyLdarg( unpackerArgumentIndex );
il.EmitGetProperty( Metadata._Unpacker.IsMapHeader );
il.EmitBrtrue_S( then );
// else
serializerGetter( il, 0 );
il.EmitAnyLdarg( unpackerArgumentIndex );
il.EmitAnyCall( typeof( MessagePackSerializer<> ).MakeGenericType( value.LocalType ).GetMethod( "UnpackFrom" ) );
il.EmitAnyStloc( value );
il.EmitBr_S( endIf );
// then
var subtreeUnpacker = il.DeclareLocal( typeof( Unpacker ), "subtreeUnpacker" );
il.MarkLabel( then );
EmitUnpackerBeginReadSubtree( il, unpackerArgumentIndex, subtreeUnpacker );
serializerGetter( il, 0 );
il.EmitAnyLdloc( subtreeUnpacker );
il.EmitAnyCall( typeof( MessagePackSerializer<> ).MakeGenericType( value.LocalType ).GetMethod( "UnpackFrom" ) );
il.EmitAnyStloc( value );
EmitUnpackerEndReadSubtree( il, subtreeUnpacker );
il.MarkLabel( endIf );
if ( isUnpacked != null )
{
il.EmitLdc_I4_1();
il.EmitAnyStloc( isUnpacked );
}
il.MarkLabel( endOfDeserialization );
}
