internal override IEnumerable <string> Enumerate(IEnumerable <string> items,
GlobController enumerator)
{
string deviceName = (device + ":" + "/");
return(new [] { deviceName });
}
internal override IEnumerable <string> Enumerate(IEnumerable <string> items,
GlobController enumerator)
{
var result = items.SelectMany(t => enumerator.EnumerateFileSystemEntries(t)).Where(t => regex.IsMatch(t));
return(result);
}
private Glob(string text, SegmentSequence[] segments)
{
_text = text;
_segments = segments;
_regexCache = new Lazy <Regex>(MakeRegex);
_controller = new GlobController();
}
internal override IEnumerable<string> Enumerate(IEnumerable<string> items,
GlobController enumerator) {
foreach (Segment s in this.segments) {
items = s.Enumerate(items, enumerator);
}
return items;
}
internal override IEnumerable<string> Enumerate(IEnumerable<string> items,
GlobController enumerator) {
Queue<string> results = new Queue<string>(enumerator.OnlyDirectories(items));
while (results.Count > 0) {
var item = results.Dequeue();
yield return item;
var descendents = enumerator.EnumerateDirectories(item);
foreach (var d in descendents)
results.Enqueue(d);
}
}
static Exception _TryParse(string text, GlobController controller, out Glob value) {
text = controller.ExpandEnvironmentVariables(text);
SegmentSequence[] segments;
Exception ex = _TryParse(text, out segments);
value = null;
if (ex == null) {
value = new Glob(text, segments);
return null;
} else
return ex;
}
internal static IEnumerable<string> FilterDirectory(Glob glob,
string directory,
Predicate<string> match,
GlobController enumerator) {
var items = Enumerable.Empty<string>();
IEnumerable<string> subItemsStart = new[] { enumerator.ExpandEnvironmentVariables(directory) };
foreach (SegmentSequence sub in glob._segments) {
var subItems = sub.Enumerate(subItemsStart, enumerator);
items = items.Concat(subItems);
}
return items
.Where(t => match(t))
.Distinct();
}
protected Glob(string text, Glob.GlobController controller)
{
if (controller == null)
{
controller = new GlobController();
}
text = controller.ExpandEnvironmentVariables(text);
Exception ex = _TryParse(text, out _segments);
if (ex != null)
{
throw ex;
}
_text = text;
_regexCache = new Lazy <Regex>(MakeRegex);
_controller = controller;
}
internal override IEnumerable<string> Enumerate(IEnumerable<string> items,
GlobController enumerator) {
return items.SelectMany(t => enumerator.EnumerateDirectories(t));
}
internal override IEnumerable<string> Enumerate(IEnumerable<string> items,
GlobController enumerator) {
return new [] { "/" };
}
internal override IEnumerable<string> Enumerate(IEnumerable<string> items,
GlobController enumerator) {
return items.Where(t => enumerator.DirectoryExists(t));
}
internal abstract IEnumerable<string> Enumerate(IEnumerable<string> items,
GlobController enumerator);
