/// <summary>
/// Determines whether container contains specified value.
/// </summary>
/// <param name="objA">The object aggregate.</param>
/// <param name="objB">The object attribute.</param>
/// <returns>True whether container contains specified value.</returns>
internal static bool AreEqual(ObjectValueContainer objA, ObjectValueContainer objB)
{
if (objA == objB)
{
return(true);
}
if (objA != null)
{
return(objA.DataEquals(objB));
}
else
{
return(objB.DataEquals(objA));
}
}
/// <summary>
/// Sets objects for given index.
/// </summary>
/// <param name="index">The index.</param>
/// <param name="objects">The objects.</param>
internal void SetObjects(MemoryIndex index, ObjectValueContainer objects)
{
lockedTest();
IndexData data;
if (!IndexData.TryGetValue(index, out data))
{
data = new IndexData(null, null, null);
}
IndexDataBuilder builder = data.Builder();
builder.Objects = objects;
IndexData[index] = builder.Build();
}
/// <summary>
/// Compares this data structure with the given object.
/// </summary>
/// <param name="other">The other.</param>
/// <returns>True whether this data structure with the given object.</returns>
internal bool DataEquals(ObjectValueContainer other)
{
if (other == null)
{
return(this.values.Count == 0);
}
if (this.values.Count != other.values.Count)
{
return(false);
}
foreach (ObjectValue value in values)
{
if (!other.values.Contains(value))
{
return(false);
}
}
return(true);
}
/// <summary>
/// Processes the field - traverse thru all containing objects or sets path to undefined.
/// </summary>
/// <param name="parentIndex">Index of the parent.</param>
/// <param name="fieldSegment">The field segment.</param>
/// <param name="visitor">The visitor to process scalar values.</param>
private void processField(MemoryIndex parentIndex, FieldPathSegment fieldSegment, ProcessValueAsLocationVisitor visitor)
{
MemoryEntry entry;
if (snapshot.Data.TryGetMemoryEntry(parentIndex, out entry))
{
bool processOtherValues = false;
ObjectValueContainer objectValues = snapshot.Structure.GetObjects(parentIndex);
if (objectValues.Count > 0)
{
foreach (ObjectValue objectValue in objectValues)
{
ObjectDescriptor descriptor = snapshot.Structure.GetDescriptor(objectValue);
process(fieldSegment, descriptor);
}
processOtherValues = entry.Count > objectValues.Count;
}
else if (entry.Count > 0)
{
processOtherValues = true;
}
else
{
IsDefined = false;
}
if (processOtherValues)
{
visitor.ProcessValues(parentIndex, entry.PossibleValues, true);
}
}
else
{
IsDefined = false;
}
}
/// <summary>
/// Initializes a new instance of the <see cref="IndexData"/> class.
/// </summary>
/// <param name="data">The data.</param>
public IndexData(IndexDataBuilder data)
{
Aliases = data.Aliases;
Array = data.Array;
Objects = data.Objects;
}
/// <summary>
/// Initializes a new instance of the <see cref="IndexData"/> class.
/// </summary>
/// <param name="aliases">The aliases.</param>
/// <param name="array">The array.</param>
/// <param name="objects">The objects.</param>
public IndexData(MemoryAlias aliases, AssociativeArray array, ObjectValueContainer objects)
{
Aliases = aliases;
Array = array;
Objects = objects;
}
/// <summary>
/// Processes the field - traverse thru all containing objects. When there is possibility undefined
/// value in location new object is created.
/// </summary>
/// <param name="segment">The segment.</param>
/// <param name="parentIndex">Index of the parent.</param>
/// <param name="visitor">The visitor to process scalar values.</param>
/// <param name="isMust">if set to <c>true</c> [is must].</param>
private void processField(PathSegment segment, MemoryIndex parentIndex, FieldLocationVisitor visitor, bool isMust)
{
bool processOtherValues = false;
MemoryEntry entry;
if (snapshot.Structure.TryGetMemoryEntry(parentIndex, out entry))
{
ObjectValueContainer objects = snapshot.Structure.GetObjects(parentIndex);
if (objects.Count > 0)
{
processOtherValues = entry.Count > objects.Count;
}
else if (entry.Count > 0)
{
processOtherValues = true;
}
else
{
entry = snapshot.Data.EmptyEntry;
processOtherValues = true;
}
}
else
{
entry = snapshot.Data.EmptyEntry;
processOtherValues = true;
}
if (processOtherValues)
{
if (entry.Count > 1)
{
isMust = false;
}
visitor.ProcessValues(parentIndex, entry.PossibleValues, isMust);
ReadFieldVisitor valueVisitor = visitor.LastValueVisitor;
bool removeUndefined = isMust;
if (valueVisitor.ContainsDefinedValue || valueVisitor.ContainsAnyValue)
{
isMust = false;
}
if (valueVisitor.ContainsUndefinedValue && snapshot.CurrentMode == SnapshotMode.MemoryLevel)
{
ObjectValue objectValue = snapshot.CreateObject(parentIndex, isMust, removeUndefined);
}
}
ObjectValueContainer objectValues = snapshot.Structure.GetObjects(parentIndex);
if (objectValues.Count == 1 && snapshot.HasMustReference(parentIndex))
{
ObjectDescriptor descriptor = snapshot.Structure.GetDescriptor(objectValues.First());
creatorVisitor.ObjectValue = objectValues.First();
processSegment(segment, descriptor, isMust);
}
else
{
foreach (ObjectValue value in objectValues)
{
ObjectDescriptor descriptor = snapshot.Structure.GetDescriptor(value);
creatorVisitor.ObjectValue = value;
processSegment(segment, descriptor, false);
}
}
}
/// <summary>
/// Initializes a new instance of the <see cref="ObjectValueContainerBuilder"/> class.
/// </summary>
/// <param name="objectValueContainer">The object value container.</param>
public ObjectValueContainerBuilder(ObjectValueContainer objectValueContainer)
{
Values = new HashSet <ObjectValue>(objectValueContainer);
}
