/// <summary>
/// Create an Rdf data store, with config.
/// </summary>
public RdfData(INodeFactory factory)
{
_factory = factory ?? new NodeFactory();
_data = new List <Quad>();
System = _factory.Uri(DefaultSysGraphUri);
Default = _factory.Uri(DefaultGraphUri);
}
/// <summary>Create an new <see cref="RdfsList"/>.</summary>
public RdfsList(INodeFactory f, Graph owner)
{
_f = f;
_owner = owner;
_first = f.Uri(RDFS.First);
_next = f.Uri(RDFS.Rest);
_nil = f.Uri(RDFS.Nil);
}
private void BreadthFirstReadInfo(Queue <DirectoryInfo> q,
GraphBuilder g, INodeFactory f, int maxDepth = -1)
{
var contains = f.Uri("app:contains");
var itemType = f.Uri("app:type");
var itemTypeFolder = f.New("folder");
var itemTypeFile = f.New("file");
var lastModify = f.Uri(PosixStat.LastModified);
var size = f.Uri(PosixStat.Size);
var depth = 0;
while (q.Count > 0)
{
var root = q.Dequeue();
var subject = f.Uri(root.AsUri());
try
{
foreach (var file in root.EnumerateFiles())
{
g.For(subject)
.With(contains).To(f.Uri(file.AsUri()))
.With(itemType).Add(itemTypeFile)
.Then()
.With(lastModify).Add(f.New(file.LastWriteTime))
.Then()
.With(size).Add(f.New(file.Length));
}
foreach (var dir in root.EnumerateDirectories())
{
g.For(subject).With(contains).To(f.Uri(dir.AsUri()))
.With(itemType).Add(itemTypeFolder);
}
if (maxDepth > 0 && depth < maxDepth)
{
foreach (var subDir in root.GetDirectories())
{
q.Enqueue(subDir);
}
depth++;
}
}
catch (UnauthorizedAccessException ex)
{
g.For(subject)
.With("app:AccessGranted", out _).Add(false)
.Then().With("app:error", out _)
.Add(ex.Message)
.Add(ex);
}
}
}
/// <inheritdoc /> public UriNode Uri(ReadOnlySpan <char> uriValue) => _factory.Uri(uriValue);