/// <summary>
/// looks for the "As face" by walking up the decorators
/// </summary>
/// <param name="obj"></param>
/// <param name="decorationType"></param>
/// <param name="exactTypeMatch"></param>
/// <returns></returns>
public static object AsAbove(this object obj, Type decorationType, bool exactTypeMatch = true)
{
if (obj == null)
{
return(null);
}
var match = IDecoratorAwareDecorationExtensions.WalkDecoratorsToOuter(obj, (dec) =>
{
//do type level filtering first
//if we're exact matching, the decoration has to be the same type
if (exactTypeMatch && decorationType.Equals(dec.GetType()) == false)
{
return(false);
}
//if we're not exact matching, the decoration has to be Of the same type
if (exactTypeMatch == false && (!(decorationType.IsAssignableFrom(dec.GetType()))))
{
return(false);
}
return(true);
});
return(match);
}
/// <summary>
/// looks for the "As face" by walking ALL the decorations. If DecoratorAware, walks down from Outer. If not
/// DecoratorAware, walks down from Self
/// </summary>
/// <param name="obj"></param>
/// <param name="decorationType"></param>
/// <param name="exactTypeMatch"></param>
/// <returns></returns>
public static object As(this object obj, Type decorationType, bool exactTypeMatch)
{
if (obj == null)
{
return(null);
}
//if decorator aware get the outer
object topMost = obj;
if (IDecoratorAwareDecorationExtensions.IsADecoratorAwareDecoration(obj))
{
topMost = IDecoratorAwareDecorationExtensions.GetOuterDecorator(obj);
}
return(AsBelow(topMost, decorationType, exactTypeMatch));
}
/// <summary>
/// If DecoratorAware, walks down from Outer. If not DecoratorAware, walks down from Self
/// </summary>
public static List <object> GetAllDecorations(this object obj)
{
List <object> rv = new List <object>();
if (obj == null)
{
return(rv);
}
//if decorator aware get the outer
object topMost = obj;
if (IDecoratorAwareDecorationExtensions.IsADecoratorAwareDecoration(obj))
{
topMost = IDecoratorAwareDecorationExtensions.GetOuterDecorator(obj);
}
rv = IDecorationExtensions.GetSelfAndAllDecorationsBelow(topMost);
return(rv);
}
