internal object InitializeCollection(BinaryReader br, bool addToCache, DataTypeDescriptor descriptor, DeserializationManager manager, out int count)
{
object result;
// KeyValuePair, DictionaryEntry
if (IsSingleElement)
{
// Note: If addToCache is true, then the key-value may contain itself via references.
// That's why we create the instance first and then set Key and Value (just like at object graphs).
result = Activator.CreateInstance(descriptor.GetTypeToCreate());
if (addToCache)
{
manager.AddObjectToCache(result);
}
count = 1;
return(result);
}
// 1.) Count
count = Read7BitInt(br);
// 2.) Capacity
int capacity = HasCapacity ? Read7BitInt(br) : count;
// 3.) Case sensitivity
bool caseInsensitive = false;
if (HasCaseInsensitivity)
{
caseInsensitive = br.ReadBoolean();
}
// 4.) Read-only
if (HasReadOnly)
{
descriptor.IsReadOnly = br.ReadBoolean();
}
// In the ID cache the collection comes first and then the comparer so we add a placeholder to the cache.
// Unlike for KeyValuePairs this works here because we can assume that a comparer does not reference the collection.
int id = 0;
if (addToCache)
{
manager.AddObjectToCache(null, out id);
}
// 5.) Comparer
object comparer = HasAnyComparer
? br.ReadBoolean()
? IsNonNullDefaultComparer ? GetDefaultComparer(descriptor.Type) : null
: manager.ReadWithType(br)
: null;
result = CreateCollection(descriptor, capacity, caseInsensitive, comparer);
if (id != 0)
{
manager.ReplaceObjectInCache(id, result);
}
return(result);
}