private static void ScanArrayRanks(IDataAdapter data, Type elementType, int[] lengths, int index)
{
if (index == lengths.Length - 1 && elementType.IsPrimitive)
{
string value = data.GetStringValue();
lengths[index] = ByteUtils.GetBytesInBase64(value) / ByteUtils.GetSizeOf(elementType);
return;
}
int count = 0;
IDataAdapter firstChild = null;
foreach (IDataAdapter e in data.GetArray().GetChildren())
{
if (firstChild == null)
{
firstChild = e;
}
count++;
}
lengths[index] = count;
if (index < lengths.Length - 1)
{
ScanArrayRanks(firstChild, elementType, lengths, index + 1);
}
}
private void DeserializeContainer(ref object container, Type type, Type elementType, IDataAdapter data, string addMethodName, bool reverse = false)
{
if (container == null)
{
container = TypeCache.CreateParameterless(type);
}
Action <object, object> addAction = null;
if (!TypeCache.TryGetTypeAccessor(type, ref addAction))
{
addAction = InvocationHelper.CreateSetDelegate(type, elementType, addMethodName);
TypeCache.AddTypeAccessor(type, addAction);
}
if (elementType.IsPrimitive)
{
byte[] buffer = Convert.FromBase64String(data.GetStringValue());
int size = ByteUtils.GetSizeOf(elementType);
int count = buffer.Length / size;
Func <byte[], int, object> reader = ByteUtils.GetBinaryReader(elementType);
if (reverse)
{
for (int i = count - 1; i >= 0; i--)
{
addAction(container, reader(buffer, size * i));
}
}
else
{
for (int i = 0; i < count; i++)
{
addAction(container, reader(buffer, size * i));
}
}
return;
}
IDataArray array = data.GetArray();
if (reverse)
{
foreach (IDataAdapter element in array.GetChildrenReversed())
{
addAction(container, DeserializeObject(elementType, element, null));
}
}
else
{
foreach (IDataAdapter element in array.GetChildren())
{
addAction(container, DeserializeObject(elementType, element, null));
}
}
}
private void DeserializeArrayRank(Array array, Type elementType, int[] coords, int r, IDataAdapter data)
{
if (r == coords.Length - 1)
{
if (elementType.IsPrimitive)
{
byte[] buffer = Convert.FromBase64String(data.GetStringValue());
int size = ByteUtils.GetSizeOf(elementType);
int count = array.GetLength(r);
Func <byte[], int, object> reader = ByteUtils.GetBinaryReader(elementType);
for (int i = 0; i < count; i++)
{
coords[r] = i;
array.SetValue(reader(buffer, i * size), coords);
}
}
else
{
int index = 0;
foreach (IDataAdapter element in data.GetArray().GetChildren())
{
coords[r] = index++;
array.SetValue(DeserializeObject(elementType, element, null), coords);
}
}
}
else
{
int index = 0;
foreach (IDataAdapter element in data.GetArray().GetChildren())
{
coords[r] = index++;
DeserializeArrayRank(array, elementType, coords, r + 1, element);
}
}
}
private void DeserializeContainer(ref object container, Type type, Type elementType, Type returnType, IDataAdapter data, string addMethodName)
{
if (container == null)
{
container = TypeCache.CreateParameterless(type);
}
Func <object, object, object> addFunc = null;
if (!TypeCache.TryGetTypeAccessor(type, ref addFunc))
{
addFunc = InvocationHelper.CreateGetSetDelegate(type, elementType, returnType, addMethodName);
TypeCache.AddTypeAccessor(type, addFunc);
}
foreach (IDataAdapter element in data.GetArray().GetChildren())
{
addFunc(container, DeserializeObject(elementType, element, null));
}
}
/// <summary>
/// Deserialize object from source data.
/// </summary>
/// <typeparam name="T">Type of the class to deserialize root. Use <see cref="object"/> if class is unknown.</typeparam>
/// <param name="data">Data source to deserialize from</param>
/// <returns>The object or root of object model deserialized from <paramref name="data"/>.</returns>
/// <exception cref="SerializationException">thrown when deserialization fails</exception>
public T DeserializeObject <T>(IDataAdapter data)
{
maxObjId = 1;
objectCache.Clear();
flags = (OptimizationFlags)data.GetIntValue(ATTRIBUTE_FLAGS, true);
IDataAdapter types = data.GetChild(ELEMENT_TYPES);
if (types != null)
{
IDataArray array = types.GetArray();
int index = 1;
foreach (IDataAdapter child in array.GetChildren())
{
typeCache.Add(index++, InternalResolveTypes(child.GetStringValue()));
}
}
return((T)DeserializeObject(typeof(T), data, null));
}
private void DeserializeContainer(Type type, TypeCategory category, IDataAdapter data, ref object target)
{
// arrays
if (category == TypeCategory.Array)
{
Type elementType = type.GetElementType();
int rank = (int)data.GetIntValue(ATTRIBUTE_ARRAY_RANK, true);
if (rank == 0)
{
rank = 1;
}
int[] lengths = new int[rank];
ScanArrayRanks(data, elementType, lengths, 0);
Array array;
if (target == null)
{
target = array = Array.CreateInstance(elementType, lengths);
}
else
{
array = (Array)target;
}
int[] coords = new int[array.Rank];
DeserializeArrayRank(array, elementType, coords, 0, data);
return;
}
// non generic containers
switch (category)
{
case TypeCategory.IList:
DeserializeContainer(ref target, type, typeof(object), data, "Add");
return;
case TypeCategory.Queue:
DeserializeContainer(ref target, type, typeof(object), data, "Enqueue");
return;
case TypeCategory.Stack:
DeserializeContainer(ref target, type, typeof(object), data, "Push", true);
return;
}
// generics
Type[] genericArgs = TypeCache.GetTypeGenericArgs(type);
switch (category)
{
case TypeCategory.GenericIList:
DeserializeContainer(ref target, type, genericArgs[0], data, "Add");
return;
case TypeCategory.GenericQueue:
DeserializeContainer(ref target, type, genericArgs[0], data, "Enqueue");
return;
case TypeCategory.GenericStack:
DeserializeContainer(ref target, type, genericArgs[0], data, "Push", true);
return;
case TypeCategory.ISet:
DeserializeContainer(ref target, type, genericArgs[0], typeof(bool), data, "Add");
return;
case TypeCategory.LinkedList:
DeserializeContainer(ref target, type, genericArgs[0], typeof(LinkedListNode <>).MakeGenericType(genericArgs[0]), data, "AddLast");
return;
}
if (category == TypeCategory.IDictionary)
{
if (target == null)
{
target = TypeCache.CreateParameterless(type);
}
Action <object, object, object> setAction = null;
if (!TypeCache.TryGetTypeAccessor(type, ref setAction))
{
setAction = InvocationHelper.CreateSetDelegate(type, genericArgs[0], genericArgs[1], "Add");
TypeCache.AddTypeAccessor(type, setAction);
}
foreach (IDataAdapter element in data.GetArray().GetChildren())
{
setAction(
target,
DeserializeObject(genericArgs[0], element.GetChild("Key"), null),
DeserializeObject(genericArgs[1], element.GetChild("Value"), null)
);
}
}
}
