private void addProperties(ModelMap map, ModelMap overrides, ModelMapDiffOptions options)
{
var targetIndex = -1;
var instructionsToAdd = new List <IModelMapInstruction>();
var contexts = new Stack <IModelMapInstruction>();
foreach (var instruction in overrides.Instructions.Where(_ => _.GetType() != typeof(Instructions.RemoveProperty)).ToArray())
{
var mapInstructions = map.Instructions.ToList();
if (shouldOffset(instruction, options))
{
var i = mapInstructions.IndexOf(instruction);
if (i != -1)
{
targetIndex = i + 1;
}
}
if (targetIndex == -1)
{
continue;
}
var context = options.PropertyContexts.SingleOrDefault(_ => _.Matches(instruction.GetType()));
if (context != null && mapInstructions.IndexOf(instruction) == -1)
{
contexts.Push(context.WaitFor());
}
if (contexts.Count != 0)
{
instructionsToAdd.Add(instruction);
}
if (contexts.Count != 0 && contexts.Peek().GetType() == instruction.GetType())
{
contexts.Pop();
}
if (contexts.Count == 0 && instructionsToAdd.Count != 0)
{
map.InsertInstructions(targetIndex, instructionsToAdd);
targetIndex += instructionsToAdd.Count;
instructionsToAdd.Clear();
}
}
}