protected MemberBuilder(IMemberBuilder parent, IMember member)
{
Parent = parent;
Member = member;
Assignment = new AssignmentFrame {
Builder = this
};
}
object AssignFrame(object instance, AssignmentFrame currentFrame)
{
object assignedValue;
var hasChildren = currentFrame.Children.Any();
instance = currentFrame.Builder.Apply(instance, out assignedValue);
object newValue = assignedValue;
foreach (var childFrame in currentFrame.Children.Values)
{
newValue = AssignFrame(newValue, childFrame);
}
if (hasChildren && currentFrame.Builder.Value != newValue)
{
var oldValue = currentFrame.Builder.Value;
currentFrame.Builder.TrySetValue(newValue);
instance = currentFrame.Builder.Apply(instance, out assignedValue);
currentFrame.Builder.TrySetValue(oldValue);
}
return(instance);
}
public virtual IPropertyBuilder GetProperty(string propertyPath)
{
if (PropertiesCache.ContainsKey(propertyPath))
{
return(PropertiesCache[propertyPath]);
}
lock (PropertiesCache)
{
var property = Member.FindPropertyByPath(propertyPath);
if (property == null)
{
return(PropertiesCache[propertyPath] = null);
}
var currentFrame = Assignment;
foreach (var member in property.GetCallStack().OfType <IProperty>().Reverse())
{
if (currentFrame.Children.ContainsKey(member))
{
currentFrame = currentFrame.Children[member];
continue;
}
currentFrame.Children.Add(member,
currentFrame = new AssignmentFrame
{
Builder = member.CreateBuilder(currentFrame.Builder)
});
}
var lastProperty = (IPropertyBuilder)currentFrame.Builder;
PropertiesCache[propertyPath] = lastProperty;
return(lastProperty);
}
}