void DoTest(TrieNode n, string streamStr, long initialPos, long?expected, long limit = long.MaxValue)
{
Stream s = new MemoryStream(Encoding.UTF8.GetBytes(streamStr));
s.Position = initialPos;
Assert.AreEqual(expected, n.Find(s, limit));
}
public override TextStreamPosition?Find(Stream stream, Encoding encoding, TextStreamPositioningParams positioningParams)
{
EnsureInitialized(encoding);
stream.Position = 0;
var tmp = trieNode.Find(stream, 1024 * 1024 * 1);
if (tmp == null)
{
return(null);
}
return(new TextStreamPosition(tmp.Value, positioningParams));
}
public override TextStreamPosition?Find(Stream stream, Encoding encoding, bool findEnd, TextStreamPositioningParams positioningParams)
{
EnsureInitialized(encoding);
var bufSize = 1 * 1024 * 1024;
if (findEnd)
{
stream.Position = Math.Max(0, stream.Length - bufSize);
}
else
{
stream.Position = 0;
}
var tmp = trieNode.Find(stream, bufSize);
if (tmp == null)
{
return(null);
}
return(new TextStreamPosition(tmp.Value, positioningParams));
}
