/// <summary>
/// Adds all objects-data pairs from a different storage in the current storage.
/// </summary>
public virtual void addAll(SplObjectStorage storage)
{
using (var e = storage.storage.GetFastEnumerator())
while (e.MoveNext())
{
this.storage[e.CurrentKey] = e.CurrentValue.DeepCopy();
}
}
/// <summary>
/// Removes objects contained in another storage from the current storage.
/// </summary>
public virtual void removeAll(SplObjectStorage storage)
{
using (var e = storage.storage.GetFastEnumerator())
while (e.MoveNext())
{
this.storage.RemoveKey(e.CurrentKey);
}
}
/// <summary>
/// Removes all objects except for those contained in another storage from the current storage.
/// </summary>
public virtual void removeAllExcept(SplObjectStorage storage)
{
using (var e = this.storage.GetFastEnumerator())
while (e.MoveNext())
{
if (!storage.storage.ContainsKey(e.CurrentKey))
{
// NOTE: deleting element under the enumerator current entry, FastEnumerator survives
this.storage.RemoveKey(e.CurrentKey);
}
}
}