internal static int SortWordEntryComparer(WordIndexEntry item1, WordIndexEntry item2)
{
var c = item1.length.CompareTo(item2.length);
if (c != 0)
{
return(c);
}
c = item1.key.CompareTo(item2.key);
if (c != 0)
{
return(c);
}
if (item2.score == int.MaxValue)
{
return(0);
}
return(item1.score.CompareTo(item2.score));
}
protected void UpdateIndexWithNewContent(string[] updated, string[] removed, string[] moved)
{
if (!m_IndexReady)
{
return;
}
//using( new DebugTimer("Refreshing index with " + String.Join("\r\n\t", updated) + $"\r\nRemoved: {String.Join("\r\n\t", removed)}" + $"\r\nMoved: {String.Join("\r\n\t", moved)}\r\n"))
{
lock (this)
{
List <string> entries = null;
List <WordIndexEntry> words = null;
// Filter already known entries.
updated = updated.Where(u => Array.FindIndex(m_Entries, e => e == u) == -1).ToArray();
bool updateIndex = false;
if (updated.Length > 0)
{
entries = new List <string>(m_Entries);
words = new List <WordIndexEntry>(m_WordIndexEntries);
var wiec = new WordIndexEntryComparer();
var partialIndex = BuildPartialIndex(String.Empty, 0, updated, 0);
// Update entry file indexes
for (int i = 0; i < partialIndex.Count; ++i)
{
var pk = partialIndex[i];
var updatedEntry = updated[pk.fileIndex];
var matchedFileIndex = entries.FindIndex(e => e == updatedEntry);
if (matchedFileIndex == -1)
{
entries.Add(updatedEntry);
matchedFileIndex = entries.Count - 1;
}
var newWordIndex = new WordIndexEntry(pk.key, pk.length, matchedFileIndex, pk.score);
var insertIndex = words.BinarySearch(newWordIndex, wiec);
if (insertIndex > -1)
{
words.Insert(insertIndex, newWordIndex);
}
else
{
words.Insert(~insertIndex, newWordIndex);
}
}
updateIndex = true;
}
// Remove items
if (removed.Length > 0)
{
entries = entries ?? new List <string>(m_Entries);
words = words ?? new List <WordIndexEntry>(m_WordIndexEntries);
for (int i = 0; i < removed.Length; ++i)
{
var entryToBeRemoved = removed[i];
var entryIndex = entries.FindIndex(e => e == entryToBeRemoved);
if (entryIndex > -1)
{
updateIndex |= words.RemoveAll(w => w.fileIndex == entryIndex) > 0;
}
}
}
if (updateIndex)
{
UpdateIndexes(entries.ToArray(), SortIndexes(words));
}
}
}
}
public override bool Equals(object y)
{
WordIndexEntry other = (WordIndexEntry)y;
return(key == other.key && length == other.length && fileIndex == other.fileIndex);
}
