public int FindMissingRevisions(RevisionList revs)
{
var sortedRevs = new RevisionList(revs);
sortedRevs.SortByDocID();
var lastDocId = (string)null;
var doc = (C4Document*)null;
var removedCount = 0;
try {
foreach(var rev in sortedRevs) {
if(rev.DocID != lastDocId) {
lastDocId = rev.DocID;
Native.c4doc_free(doc);
doc = Native.c4doc_get(Forest, lastDocId, true, null);
}
if(doc == null) {
continue;
}
rev.RevID.PinAndUse(slice =>
{
if(Native.c4doc_selectRevision(doc, slice, false, null)) {
while (revs.Contains (rev)) {
removedCount++;
revs.Remove (rev);
}
}
});
}
} finally {
Native.c4doc_free(doc);
}
return removedCount;
}
