public override void DoProcess(ResolveRenderingDataSourceArgs args)
{
// we only want query type data sources, e.g. queries, fast queries, or relative sources
if (!(args.DataSource.StartsWith("query:") || args.DataSource.StartsWith("fast:") || args.DataSource.StartsWith(".")))
{
return;
}
string query = args.DataSource;
bool useFastQuery = false;
// strip the starting query: if one exists, we wont send that on to Sitecore
if (query.StartsWith("query:"))
query = query.Substring(6);
// strip fast: if present, but keep a note if it was a fast query for later
if (query.StartsWith("fast:"))
{
query = query.Substring(5);
useFastQuery = true;
}
Item rootItem = args.ContextItem;
// move up any parent items until we get to the meat of the query
while (query.StartsWith("../"))
{
rootItem = rootItem.Parent;
query = query.Substring(3);
}
// strip any explicit relative paths; we'll "relative-ize" the query with the root item's full path anyway
if (query.StartsWith("./"))
query = query.Substring(2);
// if the path is not an absolute one, we'll prepend the full path of the root item to turn it into an effectively relative query
if (!query.StartsWith("/"))
query = rootItem.Paths.FullPath + "/" + query;
// if the original query contained the fast moniker we'll re-add it here to the parsed query
if (useFastQuery) query = "fast:" + query;
args.DataSourceItems.AddRange(rootItem.Database.SelectItems(query));
args.HasItems = true;
}
