private static bool AppliesByContext(StructureDataValue structure, string context)
{
// todo - would we want to support negated contexts?
// ie do NOT apply do 'ajax-*'? but to everything else?
// null context => applies if has no contexts or contexts contains 'null'
if (context == null)
{
return(structure.Contexts.Length == 0 || structure.Contexts.Contains(null));
}
// non-null context => cannot apply if contexts is empty
if (structure.Contexts.Length == 0)
{
return(false);
}
// applies if contexts contains the context
if (structure.Contexts.Contains(context, StringComparer.InvariantCultureIgnoreCase))
{
return(true);
}
// applies if a contexts item is a wildcard and matches
return(structure.Contexts.Any(x =>
x != null &&
x.EndsWith("*") &&
context.StartsWith(x.Substring(0, x.Length - 1), StringComparison.InvariantCultureIgnoreCase)));
}
private static bool AppliesByContentType(StructureDataValue structure, string contentType)
{
// note: do not have to handle 'null' here as we do with contexts, because the required
// context could be null (no context) but the current content type is never null.
if (structure.ContentTypes == null || structure.ContentTypes.Length == 0)
{
return(true);
}
var contains = structure.ContentTypes.Contains(contentType, StringComparer.InvariantCultureIgnoreCase);
return(structure.ContentTypesNegate ? !contains : contains);
}
