/// <summary>
/// Deserializes collection items with specified <see cref="Unpacker"/> and stores them to <paramref name="collection"/>.
/// </summary>
/// <param name="unpacker"><see cref="Unpacker"/> which unpacks values of resulting object tree. This value will not be <c>null</c>.</param>
/// <param name="collection">Collection that the items to be stored. This value will not be <c>null</c>.</param>
/// <exception cref="SerializationException">
/// Failed to deserialize object due to invalid unpacker state, stream content, or so.
/// </exception>
/// <exception cref="NotSupportedException">
/// The type of <paramref name="collection" /> is not a collection.
/// </exception>
protected internal virtual void UnpackToCore(Unpacker unpacker, object collection)
{
throw SerializationExceptions.NewUnpackToIsNotSupported(this._targetType, null);
}
public static SerializationTarget Prepare(SerializationContext context, Type targetType)
{
var getters = GetTargetMembers(targetType).OrderBy(entry => entry.Contract.Id).ToArray();
if (getters.Length == 0)
{
throw new SerializationException(String.Format(CultureInfo.CurrentCulture, "Cannot serialize type '{0}' because it does not have any serializable fields nor properties.", targetType));
}
bool?canDeserialize = null;
var memberCandidates = getters.Where(entry => CheckTargetEligibility(entry.Member)).ToArray();
if (memberCandidates.Length == 0)
{
var deserializationConstructor = FindDeserializationConstructor(context, targetType, out canDeserialize);
var complementedMembers = ComplementMembers(getters, context, targetType);
var correspondingMemberNames = FindCorrespondingMemberNames(complementedMembers, deserializationConstructor);
return
(new SerializationTarget(
complementedMembers,
deserializationConstructor,
correspondingMemberNames,
canDeserialize
));
}
// Try to get default constructor.
var constructor = targetType.GetConstructor(ReflectionAbstractions.EmptyTypes);
if (constructor == null && !targetType.GetIsValueType())
{
// Try to get deserialization constructor.
var deserializationConstructor = FindDeserializationConstructor(context, targetType, out canDeserialize);
if (deserializationConstructor == null && !context.CompatibilityOptions.AllowAsymmetricSerializer)
{
throw SerializationExceptions.NewTargetDoesNotHavePublicDefaultConstructor(targetType);
}
constructor = deserializationConstructor;
}
else
{
// Let's prefer annotated constructor here.
var markedConstructors = FindExplicitDeserializationConstructors(targetType.GetConstructors());
if (markedConstructors.Count == 1)
{
// For backward compatibility, no exceptions are thrown here even if mulitiple deserialization constructor attributes in the type
// just use default constructor for it.
constructor = markedConstructors[0];
}
// OK, appropriate constructor and setters are found.
canDeserialize = true;
}
// Because members' order is equal to declared order is NOT guaranteed, so explicit ordering is required.
IList <SerializingMember> members;
if (memberCandidates.All(item => item.Contract.Id == DataMemberContract.UnspecifiedId))
{
// Alphabetical order.
members = memberCandidates.OrderBy(item => item.Contract.Name).ToArray();
}
else
{
// ID order.
members = ComplementMembers(memberCandidates, context, targetType);
}
return
(new SerializationTarget(
members,
constructor,
FindCorrespondingMemberNames(members, constructor),
canDeserialize
));
}
//20150611 applibot modify end
private static IList <SerializingMember> PrepareCore(SerializationContext context, Type targetType)
{
//20150611 applibot modify
//var entries = GetTargetMembers( targetType ).OrderBy( item => item.Contract.Id ).ToArray();
var entries = GetTargetMembers(targetType).OrderBy(intDelegateForAOT_).ToArray();
if (entries.Length == 0)
{
throw SerializationExceptions.NewNoSerializableFieldsException(targetType);
}
//20150611 applibot modify
//if ( entries.All( item => item.Contract.Id == DataMemberContract.UnspecifiedId ) )
if (entries.All(boolDelegateForAOT_))
{
// Alphabetical order.
//20150611 applibot modify
//return entries.OrderBy( item => item.Contract.Name ).ToArray();
return(entries.OrderBy(nameDelegateForAOT_).ToArray());
}
// ID order.
#if DEBUG && !UNITY
Contract.Assert(entries[0].Contract.Id >= 0);
#endif // DEBUG && !UNITY
if (context.CompatibilityOptions.OneBoundDataMemberOrder && entries[0].Contract.Id == 0)
{
throw new NotSupportedException("Cannot specify order value 0 on DataMemberAttribute when SerializationContext.CompatibilityOptions.OneBoundDataMemberOrder is set to true.");
}
//20150611 applibot modify
int maxId = 0;
foreach (SerializingMember item in entries)
{
if (maxId < item.Contract.Id)
{
maxId = item.Contract.Id;
}
}
//var maxId = entries.Max( item => item.Contract.Id );
//var maxId = entries.Max( intDelegateForAOT_ );
var result = new List <SerializingMember>(maxId + 1);
for (int source = 0, destination = context.CompatibilityOptions.OneBoundDataMemberOrder ? 1 : 0; source < entries.Length; source++, destination++)
{
#if DEBUG && !UNITY
Contract.Assert(entries[source].Contract.Id >= 0);
#endif // DEBUG && !UNITY
if (entries[source].Contract.Id < destination)
{
throw new SerializationException(String.Format(CultureInfo.CurrentCulture, "The member ID '{0}' is duplicated in the '{1}' elementType.", entries[source].Contract.Id, targetType));
}
while (entries[source].Contract.Id > destination)
{
result.Add(new SerializingMember());
destination++;
}
result.Add(entries[source]);
}
return(result);
}
/// <summary>
/// Retrieves a most appropriate constructor with <see cref="Int32"/> capacity parameter and <see cref="IEqualityComparer{T}"/> comparer parameter or both of them, >or default constructor of the <paramref name="instanceType"/>.
/// </summary>
/// <param name="instanceType">The target collection type to be instanciated.</param>
/// <returns>A constructor of the <paramref name="instanceType"/>.</returns>
internal static ConstructorInfo GetCollectionConstructor(Type instanceType)
{
const int noParameters = 0;
const int withCapacity = 10;
const int withComparer = 11;
const int withComparerAndCapacity = 20;
const int withCapacityAndComparer = 21;
ConstructorInfo constructor = null;
var currentScore = -1;
foreach (var candidate in instanceType.GetConstructors())
{
var parameters = candidate.GetParameters();
switch (parameters.Length)
{
case 0:
{
if (currentScore < noParameters)
{
constructor = candidate;
currentScore = noParameters;
}
break;
}
case 1:
{
if (currentScore < withCapacity && parameters[0].ParameterType == typeof(int))
{
constructor = candidate;
currentScore = noParameters;
}
else if (currentScore < withComparer && IsIEqualityComparer(parameters[0].ParameterType))
{
constructor = candidate;
currentScore = noParameters;
}
break;
}
case 2:
{
if (currentScore < withCapacityAndComparer && parameters[0].ParameterType == typeof(int) && IsIEqualityComparer(parameters[1].ParameterType))
{
constructor = candidate;
currentScore = withCapacityAndComparer;
}
else if (currentScore < withComparerAndCapacity && parameters[1].ParameterType == typeof(int) && IsIEqualityComparer(parameters[0].ParameterType))
{
constructor = candidate;
currentScore = withComparerAndCapacity;
}
break;
}
}
}
if (constructor == null)
{
SerializationExceptions.ThrowTargetDoesNotHavePublicDefaultConstructorNorInitialCapacity(instanceType);
}
return(constructor);
}
public static void UnpackMapTo(Unpacker unpacker, IDictionary dictionary)
{
#if DEBUG
if (unpacker == null)
{
throw new ArgumentNullException("unpacker");
}
if (dictionary == null)
{
throw new ArgumentNullException("dictionary");
}
if (!unpacker.IsMapHeader)
{
throw SerializationExceptions.NewIsNotMapHeader();
}
Contract.EndContractBlock();
#endif
int count = GetItemsCount(unpacker);
for (int i = 0; i < count; i++)
{
if (!unpacker.Read())
{
throw SerializationExceptions.NewMissingItem(i);
}
MessagePackObject key;
if (!unpacker.IsArrayHeader && !unpacker.IsMapHeader)
{
key = _messagePackObjectSerializer.UnpackFrom(unpacker);
}
else
{
using (Unpacker subtreeUnpacker = unpacker.ReadSubtree())
{
key = _messagePackObjectSerializer.UnpackFrom(subtreeUnpacker);
}
}
if (!unpacker.Read())
{
throw SerializationExceptions.NewMissingItem(i);
}
MessagePackObject value;
if (!unpacker.IsArrayHeader && !unpacker.IsMapHeader)
{
value = _messagePackObjectSerializer.UnpackFrom(unpacker);
}
else
{
using (Unpacker subtreeUnpacker = unpacker.ReadSubtree())
{
value = _messagePackObjectSerializer.UnpackFrom(subtreeUnpacker);
}
}
dictionary.Add(key, value);
}
}
public static void UnpackMapTo <TKey, TValue>(Unpacker unpacker, MessagePackSerializer <TKey> keySerializer, MessagePackSerializer <TValue> valueSerializer, IDictionary <TKey, TValue> dictionary)
{
if (unpacker == null)
{
SerializationExceptions.ThrowArgumentNullException("unpacker");
}
if (keySerializer == null)
{
SerializationExceptions.ThrowArgumentNullException("keySerializer");
}
if (valueSerializer == null)
{
SerializationExceptions.ThrowArgumentNullException("valueSerializer");
}
if (dictionary == null)
{
SerializationExceptions.ThrowArgumentNullException("dictionary");
}
#if ASSERT
Contract.Assert(unpacker != null);
Contract.Assert(keySerializer != null);
Contract.Assert(valueSerializer != null);
Contract.Assert(dictionary != null);
#endif // ASSERT
if (!unpacker.IsMapHeader)
{
SerializationExceptions.ThrowIsNotMapHeader(unpacker);
}
#if ASSERT
Contract.EndContractBlock();
#endif // ASSERT
int count = GetItemsCount(unpacker);
for (int i = 0; i < count; i++)
{
if (!unpacker.Read())
{
SerializationExceptions.ThrowMissingItem(i, unpacker);
}
TKey key;
if (!unpacker.IsArrayHeader && !unpacker.IsMapHeader)
{
key = keySerializer.UnpackFrom(unpacker);
}
else
{
using (Unpacker subtreeUnpacker = unpacker.ReadSubtree())
{
key = keySerializer.UnpackFrom(subtreeUnpacker);
}
}
if (!unpacker.Read())
{
SerializationExceptions.ThrowMissingItem(i, unpacker);
}
TValue value;
if (!unpacker.IsArrayHeader && !unpacker.IsMapHeader)
{
value = valueSerializer.UnpackFrom(unpacker);
}
else
{
using (Unpacker subtreeUnpacker = unpacker.ReadSubtree())
{
value = valueSerializer.UnpackFrom(subtreeUnpacker);
}
}
dictionary.Add(key, value);
}
}
public static void UnpackCollectionTo <T, TDiscarded>(Unpacker unpacker, MessagePackSerializer <T> serializer, IEnumerable <T> collection, Func <T, TDiscarded> addition)
{
if (unpacker == null)
{
SerializationExceptions.ThrowArgumentNullException("unpacker");
}
if (serializer == null)
{
SerializationExceptions.ThrowArgumentNullException("serializer");
}
if (collection == null)
{
SerializationExceptions.ThrowArgumentNullException("collection");
}
if (addition == null)
{
SerializationExceptions.ThrowArgumentNullException("addition");
}
#if ASSERT
Contract.Assert(unpacker != null);
Contract.Assert(serializer != null);
Contract.Assert(collection != null);
Contract.Assert(addition != null);
#endif // ASSERT
if (!unpacker.IsArrayHeader)
{
SerializationExceptions.ThrowIsNotArrayHeader(unpacker);
}
#if ASSERT
Contract.EndContractBlock();
#endif // ASSERT
int count = GetItemsCount(unpacker);
for (int i = 0; i < count; i++)
{
if (!unpacker.Read())
{
SerializationExceptions.ThrowMissingItem(i, unpacker);
}
T item;
if (!unpacker.IsArrayHeader && !unpacker.IsMapHeader)
{
item = serializer.UnpackFrom(unpacker);
}
else
{
using (Unpacker subtreeUnpacker = unpacker.ReadSubtree())
{
item = serializer.UnpackFrom(subtreeUnpacker);
}
}
addition(item);
}
}
/// <summary>
/// Deserializes collection items with specified <see cref="Unpacker"/> and stores them to <paramref name="collection"/>.
/// </summary>
/// <param name="unpacker"><see cref="Unpacker"/> which unpacks values of resulting object tree. This value will not be <c>null</c>.</param>
/// <param name="collection">Collection that the items to be stored. This value will not be <c>null</c>.</param>
/// <exception cref="SerializationException">
/// Failed to deserialize object due to invalid unpacker state, stream content, or so.
/// </exception>
/// <exception cref="NotSupportedException">
/// <typeparamref name="T"/> is not collection.
/// </exception>
protected internal virtual void UnpackToCore(Unpacker unpacker, T collection)
{
throw SerializationExceptions.NewUnpackToIsNotSupported(typeof(T), null);
}
public static SerializationTarget Prepare(SerializationContext context, Type targetType)
{
VerifyCanSerializeTargetType(context, targetType);
var getters = GetTargetMembers(targetType).OrderBy(entry => entry.Contract.Id).ToArray();
if (getters.Length == 0 &&
!typeof(IPackable).IsAssignableFrom(targetType) &&
!typeof(IUnpackable).IsAssignableFrom(targetType)
#if FEATURE_TAP
&& (context.SerializerOptions.WithAsync &&
(!typeof(IAsyncPackable).IsAssignableFrom(targetType) &&
!typeof(IAsyncUnpackable).IsAssignableFrom(targetType)
)
)
#endif // FEATURE_TAP
)
{
throw new SerializationException(String.Format(CultureInfo.CurrentCulture, "Cannot serialize type '{0}' because it does not have any serializable fields nor properties.", targetType));
}
var memberCandidates = getters.Where(entry => CheckTargetEligibility(context, entry.Member)).ToArray();
if (memberCandidates.Length == 0)
{
ConstructorKind constructorKind;
var deserializationConstructor = FindDeserializationConstructor(context, targetType, out constructorKind);
var complementedMembers = ComplementMembers(getters, context, targetType);
var correspondingMemberNames = FindCorrespondingMemberNames(complementedMembers, deserializationConstructor);
return
(new SerializationTarget(
complementedMembers,
deserializationConstructor,
correspondingMemberNames,
DetermineCanDeserialize(constructorKind, context, targetType, correspondingMemberNames, allowDefault: false)
));
}
else
{
bool? canDeserialize;
ConstructorKind constructorKind;
// Try to get default constructor.
var constructor = targetType.GetConstructor(ReflectionAbstractions.EmptyTypes);
if (constructor == null && !targetType.GetIsValueType())
{
// Try to get deserialization constructor.
var deserializationConstructor = FindDeserializationConstructor(context, targetType, out constructorKind);
if (deserializationConstructor == null && !context.CompatibilityOptions.AllowAsymmetricSerializer)
{
throw SerializationExceptions.NewTargetDoesNotHavePublicDefaultConstructor(targetType);
}
constructor = deserializationConstructor;
canDeserialize = null;
}
else
{
constructorKind = ConstructorKind.Default;
// Let's prefer annotated constructor here.
var markedConstructors = FindExplicitDeserializationConstructors(targetType.GetConstructors());
if (markedConstructors.Count == 1)
{
// For backward compatibility, no exceptions are thrown here even if mulitiple deserialization constructor attributes in the type
// just use default constructor for it.
constructor = markedConstructors[0];
constructorKind = ConstructorKind.Marked;
}
// OK, appropriate constructor and setters are found.
canDeserialize = true;
}
if (constructor != null && constructor.GetParameters().Any())
{
// Recalculate members because getter-only/readonly members should be included for constructor deserialization.
memberCandidates = getters;
}
// Because members' order is equal to declared order is NOT guaranteed, so explicit ordering is required.
IList <SerializingMember> members;
if (memberCandidates.All(item => item.Contract.Id == DataMemberContract.UnspecifiedId))
{
// Alphabetical order.
members = memberCandidates.OrderBy(item => item.Contract.Name).ToArray();
}
else
{
// ID order.
members = ComplementMembers(memberCandidates, context, targetType);
}
var correspondingMemberNames = FindCorrespondingMemberNames(members, constructor);
return
(new SerializationTarget(
members,
constructor,
correspondingMemberNames,
canDeserialize ?? DetermineCanDeserialize(constructorKind, context, targetType, correspondingMemberNames, allowDefault: true)
));
}
}
public static void PackToMap <TObject>(
ref PackToMapParameters <TObject> parameter
)
{
if (parameter.Packer == null)
{
SerializationExceptions.ThrowArgumentNullException("parameter", "Packer");
}
if (parameter.Operations == null)
{
SerializationExceptions.ThrowArgumentNullException("parameter", "Operations");
}
#if ASSERT
Contract.Assert(parameter.Packer != null);
Contract.Assert(parameter.Operations != null);
#endif // ASSERT
if (parameter.NullCheckers != null &&
parameter.SerializationContext != null && parameter.SerializationContext.DictionarySerlaizationOptions.OmitNullEntry)
{
#if ASSERT
Contract.Assert(!SerializerDebugging.UseLegacyNullMapEntryHandling);
#endif // ASSERT
// Skipping causes the entries count header reducing, so count up null entries first.
var nullCount = 0;
foreach (var nullChecker in parameter.NullCheckers)
{
if (nullChecker.Value(parameter.Target))
{
nullCount++;
}
}
parameter.Packer.PackMapHeader(parameter.Operations.Count - nullCount);
foreach (var operation in parameter.Operations)
{
Func <TObject, bool> nullChecker;
if (parameter.NullCheckers.TryGetValue(operation.Key, out nullChecker))
{
if (nullChecker(parameter.Target))
{
continue;
}
}
parameter.Packer.PackString(operation.Key);
operation.Value(parameter.Packer, parameter.Target);
}
}
else
{
parameter.Packer.PackMapHeader(parameter.Operations.Count);
// Compatible path
foreach (var operation in parameter.Operations)
{
parameter.Packer.PackString(operation.Key);
operation.Value(parameter.Packer, parameter.Target);
}
}
#pragma warning restore 618
}
