public static T SearchScope <T>(this Scope scope, bool preferDirectParent = false) where T : Scope
{
if (scope == null)
{
throw new ArgumentNullException("scope");
}
T sought = scope as T;
if (sought != null)
{
return(sought);
}
BindScope bindScope = scope as BindScope;
if (bindScope != null)
{
sought = SearchScope <T>(preferDirectParent ? bindScope.Parent : bindScope.GrandChild);
if (sought != null)
{
return(sought);
}
return(SearchScope <T>(preferDirectParent ? bindScope.GrandChild : bindScope.Parent));
}
ChildScope childScope = scope as ChildScope;
if (childScope != null)
{
return(SearchScope <T>(childScope.Parent));
}
return(null);
}
public static T FindScope <T>(this ChildScope scope, bool skipThis = true, bool preferDirectParent = false) where T : Scope
{
if (scope == null)
{
throw new ArgumentNullException("scope");
}
T sought = SearchScope <T>(skipThis ? scope.Parent : scope, preferDirectParent);
if (sought == null)
{
throw new Exception("Could not find scope");
}
return(sought);
}
/// <summary>
/// Ported from T * search_scope(scope_t * ptr, bool prefer_direct_parents = false)
/// </summary>
public static T SearchScope <T>(this Scope scope, bool preferDirectParent = false) where T : Scope
{
if (scope == null)
{
throw new ArgumentNullException("scope");
}
Logger.Current.Debug("scope.search", () => String.Format("Searching scope {0}", scope.Description));
T sought = scope as T;
if (sought != null)
{
return(sought);
}
BindScope bindScope = scope as BindScope;
if (bindScope != null)
{
sought = SearchScope <T>(preferDirectParent ? bindScope.Parent : bindScope.GrandChild);
if (sought != null)
{
return(sought);
}
return(SearchScope <T>(preferDirectParent ? bindScope.GrandChild : bindScope.Parent));
}
ChildScope childScope = scope as ChildScope;
if (childScope != null)
{
return(SearchScope <T>(childScope.Parent));
}
return(null);
}