/// <summary>
/// Initializes a new instance of the <see cref="CopyWithinSnapshotWorker"/> class.
/// </summary>
/// <param name="snapshot">The snapshot.</param>
/// <param name="isMust">if set to <c>true</c> [is must].</param>
public CopyWithinSnapshotWorker(Snapshot snapshot, bool isMust)
{
this.snapshot = snapshot;
this.isMust = isMust;
AliasState = CopyAliasState.OnlyAliases;
}
/// <summary>
/// Processes the array value - create new copy of this level of memory tree.
/// </summary>
/// <param name="targetIndex">Index of the target.</param>
/// <param name="value">The value.</param>
/// <returns>Array value which should be inserted into target location.</returns>
internal AssociativeArray ProcessArrayValue(MemoryIndex targetIndex, AssociativeArray value)
{
AssociativeArray arrayValue = snapshot.CreateArray(targetIndex, isMust);
ArrayDescriptor sourceDescriptor = snapshot.Structure.GetDescriptor(value);
ArrayDescriptor targetDescriptor = snapshot.Structure.GetDescriptor(arrayValue);
CopyAliasState oldState = AliasState;
AliasState = CopyAliasState.OnlyAliases;
Copy(sourceDescriptor.UnknownIndex, targetDescriptor.UnknownIndex);
AliasState = CopyAliasState.LinkWithIndex;
foreach (var index in sourceDescriptor.Indexes)
{
MemoryIndex newIndex = snapshot.CreateIndex(index.Key, arrayValue, false, false);
Copy(index.Value, newIndex);
}
AliasState = oldState;
return(arrayValue);
}