public async IAsyncEnumerable <PropfindResult> EnumeratePropertiesInternal(IAsyncEnumerable <PropfindResult> backenditems, OperationDepth depth, bool getAllProps, IEnumerable <XName> additionalProps)
{
await foreach (var item in backenditems)
{
foreach (var(orig, newext, replace, _, newMime) in rules)
{
if (item.Path.EndsWith(orig, StringComparison.InvariantCultureIgnoreCase))
{
if (replace)
{
item.Path = item.Path.Substring(0, item.Path.Length - orig.Length) + newext;
if (newMime != null)
{
item[Name.GetContentType] = newMime;
}
}
else
{
var ni = new PropfindResult(item);
ni.Path = item.Path.Substring(0, item.Path.Length - orig.Length) + newext;
if (newMime != null)
{
ni[Name.GetContentType] = newMime;
}
yield return(ni);
}
break;
}
}
yield return(item);
}
}
public Task <IAsyncEnumerable <PropfindResult>?> EnumerateProperties(string path, OperationDepth depth, bool getAllProps, IEnumerable <XName> additionalProps)
{
var query = QueryFromPath(path);
if (!Index.TryGetItem(query, out var rootItem))
{
return(Task.FromResult <IAsyncEnumerable <PropfindResult>?>(null));
}
else
{
return(Task.FromResult <IAsyncEnumerable <PropfindResult>?>(EnumerateProperties(rootItem, depth, getAllProps, additionalProps)));
}
}
public async Task <IAsyncEnumerable <PropfindResult>?> EnumerateProperties(string path, OperationDepth depth, bool getAllProps, IEnumerable <XName> additionalProps)
{
foreach (var(orig, newext, _, _, _) in rules)
{
if (path.EndsWith(newext, StringComparison.InvariantCultureIgnoreCase))
{
path = path.Substring(0, path.Length - newext.Length) + orig;
break;
}
}
var backenditems = await backend.EnumerateProperties(path, depth, getAllProps, additionalProps);
if (backenditems == null)
{
return(null);
}
return(EnumeratePropertiesInternal(backenditems, depth, getAllProps, additionalProps));
}
