// Token: 0x06008A25 RID: 35365 RVA: 0x00256A88 File Offset: 0x00254C88
bool IEqualityComparer.Equals(object x, object y)
{
if (x == null)
{
return(y == null);
}
if (y == null || x.GetHashCode() != y.GetHashCode())
{
return(false);
}
WeakHashtable.EqualityWeakReference equalityWeakReference = x as WeakHashtable.EqualityWeakReference;
WeakHashtable.EqualityWeakReference equalityWeakReference2 = y as WeakHashtable.EqualityWeakReference;
if (equalityWeakReference != null && equalityWeakReference2 != null && !equalityWeakReference2.IsAlive && !equalityWeakReference.IsAlive)
{
return(true);
}
if (equalityWeakReference != null)
{
x = equalityWeakReference.Target;
}
if (equalityWeakReference2 != null)
{
y = equalityWeakReference2.Target;
}
return(x == y);
}
// Token: 0x06006566 RID: 25958 RVA: 0x001C6F60 File Offset: 0x001C5160
public object UnwrapKey(object key)
{
WeakHashtable.EqualityWeakReference equalityWeakReference = key as WeakHashtable.EqualityWeakReference;
if (equalityWeakReference == null)
{
return(null);
}
return(equalityWeakReference.Target);
}
// Token: 0x06006567 RID: 25959 RVA: 0x001C6F80 File Offset: 0x001C5180
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;
}
float num = (float)(totalMemory - this._lastGlobalMem) / (float)this._lastGlobalMem;
float num2 = (float)(count - this._lastHashCount) / (float)this._lastHashCount;
if (num < 0f && num2 >= 0f)
{
ArrayList arrayList = null;
foreach (object obj in this.Keys)
{
WeakHashtable.EqualityWeakReference equalityWeakReference = obj as WeakHashtable.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;
}
public IEnumerator <T> GetEnumerator()
{
foreach (object key in _hashTable.Keys)
{
WeakHashtable.EqualityWeakReference objRef = key as WeakHashtable.EqualityWeakReference;
if (objRef != null)
{
T obj = objRef.Target as T;
if (obj != null)
{
yield return(obj);
}
}
}
}
public IEnumerator <KeyValuePair <TKey, TValue> > GetEnumerator()
{
foreach (object obj in _hashTable.Keys)
{
WeakHashtable.EqualityWeakReference keyRef = obj as WeakHashtable.EqualityWeakReference;
if (keyRef != null)
{
TKey key = keyRef.Target as TKey;
if (key != null)
{
yield return(new KeyValuePair <TKey, TValue>(key, (TValue)_hashTable[obj]));
}
}
}
}
public IEnumerator <KeyType> GetEnumerator()
{
WeakHashtable hashTable = Dict._hashTable;
foreach (object obj in hashTable.Keys)
{
WeakHashtable.EqualityWeakReference keyRef = obj as WeakHashtable.EqualityWeakReference;
if (keyRef != null)
{
KeyType key = keyRef.Target as KeyType;
if (key != null)
{
yield return(key);
}
}
}
}
// Token: 0x06006571 RID: 25969 RVA: 0x001C7236 File Offset: 0x001C5436
public IEnumerator <T> GetEnumerator()
{
foreach (object obj in this._hashTable.Keys)
{
WeakHashtable.EqualityWeakReference equalityWeakReference = obj as WeakHashtable.EqualityWeakReference;
if (equalityWeakReference != null)
{
T t = equalityWeakReference.Target as T;
if (t != null)
{
yield return(t);
}
}
}
IEnumerator enumerator = null;
yield break;
yield break;
}
