// Token: 0x06006576 RID: 25974 RVA: 0x001C7285 File Offset: 0x001C5485
private void WrapKey(ref object key)
{
if (key != null && !key.GetType().IsValueType)
{
key = new WeakObjectHashtable.EqualityWeakReference(key);
}
}
// Token: 0x06006577 RID: 25975 RVA: 0x001C72A4 File Offset: 0x001C54A4
public object UnwrapKey(object key)
{
WeakObjectHashtable.EqualityWeakReference equalityWeakReference = key as WeakObjectHashtable.EqualityWeakReference;
if (equalityWeakReference == null)
{
return(key);
}
return(equalityWeakReference.Target);
}
// Token: 0x06006578 RID: 25976 RVA: 0x001C72C4 File Offset: 0x001C54C4
private void ScavengeKeys()
{
int count = this.Count;
if (count == 0)
{
return;
}
if (this._lastHashCount == 0)
{
this._lastHashCount = count;
return;
}
long totalMemory = GC.GetTotalMemory(false);
if (this._lastGlobalMem == 0L)
{
this._lastGlobalMem = totalMemory;
return;
}
long num = totalMemory - this._lastGlobalMem;
long num2 = (long)(count - this._lastHashCount);
if (num < 0L && num2 >= 0L)
{
ArrayList arrayList = null;
foreach (object obj in this.Keys)
{
WeakObjectHashtable.EqualityWeakReference equalityWeakReference = obj as WeakObjectHashtable.EqualityWeakReference;
if (equalityWeakReference != null && !equalityWeakReference.IsAlive)
{
if (arrayList == null)
{
arrayList = new ArrayList();
}
arrayList.Add(equalityWeakReference);
}
}
if (arrayList != null)
{
foreach (object key in arrayList)
{
this.Remove(key);
}
}
}
this._lastGlobalMem = totalMemory;
this._lastHashCount = count;
}