public object DeserializeRootOrInner(SlimReader reader, TypeRegistry registry, RefPool refs, StreamingContext streamingContext, bool root, Type valueType = null)
{
Type type = valueType;
if (type == null)
{
var thandle = reader.ReadVarIntStr();
if (thandle.StringValue != null) //need to search for possible array descriptor
{
var ip = thandle.StringValue.IndexOf('|'); //array descriptor start
if (ip > 0)
{
var tname = thandle.StringValue.Substring(0, ip);
if (TypeRegistry.IsNullHandle(tname))
{
return(null);
}
type = registry[tname];
}
else
{
if (TypeRegistry.IsNullHandle(thandle))
{
return(null);
}
type = registry[thandle];
}
}
else
{
if (TypeRegistry.IsNullHandle(thandle))
{
return(null);
}
type = registry[thandle];
}
}
//we get here if we have a boxed value of directly-handled type
var ra = Format.GetReadActionForType(type) ?? Format.GetReadActionForRefType(type);//20150503 DKh fixed root byte[] slow
if (ra != null)
{
return(ra(reader));
}
TypeDescriptor td = getTypeDescriptorCachedOrMake(type);
object instance = null;
if (td.IsArray)
{
instance = Arrays.DescriptorToArray(reader.ReadString(), type);
}
else
{
instance = SerializationUtils.MakeNewObjectInstance(type);
}
if (root)
{
if (!type.IsValueType)//if this is a reference type
{
refs.Add(instance);
}
}
td.DeserializeInstance(reader, registry, refs, ref instance, streamingContext);
return(instance);
}
public object Deserialize(SlimReader reader, TypeRegistry registry, RefPool refs, StreamingContext streamingContext, Type valueType = null)
{
return(DeserializeRootOrInner(reader, registry, refs, streamingContext, false, valueType));
}
/// <summary>
/// Returns object reference for supplied metahandle
/// </summary>
public object HandleToReference(MetaHandle handle, TypeRegistry treg, SlimFormat format, SlimReader reader)
{
Debug.Assert(m_Mode == SerializationOperation.Deserializing, "HandleToReference() called while serializing", DebugAction.Throw);
if (handle.IsInlinedString)
{
return(handle.Metadata.Value.StringValue);
}
if (handle.IsInlinedTypeValue)
{
var tref = treg[handle.Metadata.Value];//adding this type to registry if it is not there yet
return(tref);
}
if (handle.IsInlinedRefType)
{
var tref = treg[handle.Metadata.Value];//adding this type to registry if it is not there yet
var ra = format.GetReadActionForRefType(tref);
if (ra != null)
{
var inst = ra(reader);
m_List.Add(inst);
return(inst);
}
else
{
throw new SlimDeserializationException("Internal error HandleToReference: no read action for ref type, but ref mhandle is inlined");
}
}
int idx = (int)handle.Handle;
if (idx < m_List.Count)
{
return(m_List[idx]);
}
if (!handle.Metadata.HasValue)
{
throw new SlimDeserializationException(StringConsts.SLIM_HNDLTOREF_MISSING_TYPE_NAME_ERROR + handle.ToString());
}
Type type;
var metadata = handle.Metadata.Value;
if (metadata.StringValue != null) //need to search for possible array descriptor
{
var ip = metadata.StringValue.IndexOf('|'); //array descriptor start
if (ip > 0)
{
var tname = metadata.StringValue.Substring(0, ip);
if (TypeRegistry.IsNullHandle(tname))
{
return(null);
}
type = treg[tname];
}
else
{
if (TypeRegistry.IsNullHandle(metadata))
{
return(null);
}
type = treg[metadata];
}
}
else
{
if (TypeRegistry.IsNullHandle(metadata))
{
return(null);
}
type = treg[metadata];
}
object instance = null;
if (type.IsArray)
{
//DKh 20130712 Removed repetitive code that was refactored into Arrays class
instance = Arrays.DescriptorToArray(metadata.StringValue, type);
}
else
{
//20130715 DKh
instance = SerializationUtils.MakeNewObjectInstance(type);
}
m_List.Add(instance);
return(instance);
}
private object deserialize(SlimReader reader, RefPool pool)
{
object root = null;
var scontext = new StreamingContext();
var registry = (m_TypeMode == TypeRegistryMode.PerCall) ? new TypeRegistry(m_GlobalTypes) : m_BatchTypeRegistry;
{
var rcount = registry.Count;
m_BatchTypeRegistryPriorCount = rcount;
readHeader(reader);
if (!m_SkipTypeRegistryCrosschecks)
{
if (reader.ReadUInt() != rcount)
{
throw new SlimDeserializationException(StringConsts.SLIM_TREG_COUNT_ERROR);
}
if (reader.ReadULong() != registry.CSum)
{
throw new SlimDeserializationException(StringConsts.SLIM_TREG_CSUM_ERROR);
}
}
//Read root
//Deser will add root to pool[1] if its ref-typed
//------------------------------------------------
root = m_Format.TypeSchema.DeserializeRootOrInner(reader, registry, pool, scontext, root: true);
if (root == null)
{
return(null);
}
if (root is rootTypeBox)
{
return(((rootTypeBox)root).TypeValue);
}
var type = root.GetType();
var isValType = type.IsValueType;
var i = 1;
if (!isValType)
{
i++;
}
//Read all the rest of objects. The upper bound of this loop may increase as objects are read and their references added to pool
//0 = NULL
//1 = root IF root is ref type
//-----------------------------------------------
var ts = m_Format.TypeSchema;
for (; i < pool.Count; i++)
{
var instance = pool[i];
var tinst = instance.GetType();
if (!m_Format.IsRefTypeSupported(tinst))
{
ts.DeserializeRefTypeInstance(instance, reader, registry, pool, scontext);
}
}
}
//perform fixups for ISerializable
//---------------------------------------------
var fxps = pool.Fixups;
for (var i = 0; i < fxps.Count; i++)
{
var fixup = fxps[i];
var t = fixup.Instance.GetType();
var ctor = SerializationUtils.GetISerializableCtorInfo(t);
if (ctor == null)
{
throw new SlimDeserializationException(StringConsts.SLIM_ISERIALIZABLE_MISSING_CTOR_ERROR + t.FullName);
}
ctor.Invoke(fixup.Instance, new object[] { fixup.Info, scontext });
}
//20150214 DD - fixing deserialization problem of Dictionary(InvariantStringComparer)
//before 20150214 this was AFTER OnDeserialization
//invoke OnDeserialized-decorated methods
//--------------------------------------------
var odc = pool.OnDeserializedCallbacks;
for (int i = 0; i < odc.Count; i++)
{
var cb = odc[i];
cb.Descriptor.InvokeOnDeserializedCallbak(cb.Instance, scontext);
}
//before 20150214 this was BEFORE OnDeserializedCallbacks
//invoke IDeserializationCallback
//---------------------------------------------
for (int i = 1; i < pool.Count; i++)//[0]=null
{
var dc = pool[i] as IDeserializationCallback;
if (dc != null)
{
try
{
dc.OnDeserialization(this);
}
catch (Exception error)
{
throw new SlimDeserializationException(StringConsts.SLIM_DESERIALIZE_CALLBACK_ERROR + error.ToMessageWithType(), error);
}
}
}
return(root);
}
/// <summary>
/// Returns object reference for supplied metahandle
/// </summary>
public object HandleToReference(MetaHandle handle, TypeRegistry treg, SlimFormat format, SlimReader reader)
{
if (handle.IsInlinedString)
{
return(handle.Metadata);
}
if (handle.IsInlinedTypeValue)
{
var tref = treg.GetByHandle(handle.Metadata);//adding this type to registry if it is not there yet
return(tref);
}
if (handle.IsInlinedRefType)
{
var tref = treg.GetByHandle(handle.Metadata);//adding this type to registry if it is not there yet
var ra = format.GetReadActionForRefType(tref);
if (ra != null)
{
var inst = ra(reader);
m_List.Add(inst);
m_Dict.Add(inst, m_List.Count - 1);
return(inst);
}
else
{
throw new SlimDeserializationException("Internal error HandleToReference: no read action for ref type, but ref mhandle is inlined");
}
}
int idx = (int)handle.Handle;
if (idx < m_List.Count)
{
return(m_List[idx]);
}
if (string.IsNullOrEmpty(handle.Metadata))
{
throw new SlimDeserializationException(StringConsts.SLIM_HNDLTOREF_MISSING_TYPE_NAME_ERROR + handle.ToString());
}
var metadata = handle.Metadata;
var ip = metadata.IndexOf('|');
//var segments = metadata.Split('|');
var th = ip > 0 ? metadata.Substring(0, ip) : metadata;
//20140701 DKh
var type = treg[th];//segments[0]];
object instance = null;
if (type.IsArray)
{
//DKh 20130712 Removed repetitive code that was refactored into Arrays class
instance = Arrays.DescriptorToArray(metadata, treg, type);
}
else
{
//20130715 DKh
instance = SerializationUtils.MakeNewObjectInstance(type);
}
m_List.Add(instance);
m_Dict.Add(instance, m_List.Count - 1);
return(instance);
}
