public static IEnumerable <ITagHelperAdapter> FirstOrDefault(
this ITagHelperAdapterCollection tagHelperAdapterCollection, string id)
{
var first = tagHelperAdapterCollection.First(id);
return(first ?? default(List <ITagHelperAdapter>));
}
public static IEnumerable <ITagHelperAdapter> First(this ITagHelperAdapterCollection tagHelperAdapterCollection, string id)
{
if (tagHelperAdapterCollection.Adapters == null)
{
return(null);
}
if (tagHelperAdapterCollection.Adapters.Count <= 0)
{
return(null);
}
IList <ITagHelperAdapter> output = null;
foreach (var adapter in tagHelperAdapterCollection.Adapters)
{
if (adapter.Id.Equals(id, System.StringComparison.OrdinalIgnoreCase))
{
if (output == null)
{
output = new List <ITagHelperAdapter>();
}
output.Add(adapter);
}
}
return(output);
}
public static void Add(this ITagHelperAdapterCollection tagHelperAdapterCollection, IEnumerable <ITagHelperAdapter> adapters)
{
foreach (var adapter in adapters)
{
tagHelperAdapterCollection.Adapters.Add(adapter);
}
}
public static IEnumerable <ITagHelperAdapter> First(this ITagHelperAdapterCollection tagHelperAdapterCollection, string viewName, string tagId)
{
if (tagHelperAdapterCollection.Adapters == null)
{
return(null);
}
if (tagHelperAdapterCollection.Adapters.Count <= 0)
{
return(null);
}
IList <ITagHelperAdapter> output = null;
foreach (var adapter in tagHelperAdapterCollection.Adapters)
{
var isView = adapter.ViewName?.Equals(viewName, System.StringComparison.OrdinalIgnoreCase) ?? false;
var isTag = adapter.TagHelperId?.Equals(tagId, System.StringComparison.OrdinalIgnoreCase) ?? false;
if (isView && isTag)
{
if (output == null)
{
output = new List <ITagHelperAdapter>();
}
output.Add(adapter);
}
}
return(output);
}
public static void Add(this ITagHelperAdapterCollection tagHelperAdapterCollection, ITagHelperAdapter adapter)
{
tagHelperAdapterCollection.Adapters.Add(adapter);
}
