private uint RunQuery(C4View *view, C4QueryOptions options, bool verbose = false)
{
var allKeys = new List <string>(1200);
C4Error error;
var query = (C4QueryEnumerator *)LiteCoreBridge.Check(err => {
var localOpts = options;
return(Native.c4view_query(view, &localOpts, err));
});
C4SliceResult keySlice;
while (Native.c4queryenum_next(query, &error))
{
var key = query->key;
if (Native.c4key_peek(&key) == C4KeyToken.Array)
{
Native.c4key_skipToken(&key);
keySlice = NativeRaw.c4key_readString(&key);
}
else
{
Native.c4key_peek(&key).Should().Be(C4KeyToken.String, "because otherwise an invalid entry is present");
keySlice = NativeRaw.c4key_readString(&key);
}
((long)keySlice.buf).Should().NotBe(0, "because the entry should not be null");
var keyStr = ((C4Slice)keySlice).CreateString();
if (verbose)
{
var valStr = query->value.CreateString();
Console.Write($"{keyStr} ({valStr}) ");
}
allKeys.Add(keyStr);
Native.c4slice_free(keySlice);
}
Native.c4queryenum_free(query);
if (verbose)
{
Console.WriteLine();
}
return((uint)allKeys.Count);
}
/// <summary>
/// Runs a query and returns an enumerator for the results.
/// The enumerator's fields are not valid until you call c4queryenum_next(), though.
/// </summary>
/// <param name="view">The view to operate on</param>
/// <param name="options">The query options</param>
/// <param name="outError">The error that occurred if the operation doesn't succeed</param>
/// <returns>A pointer to the enumerator on success, otherwise null</returns>
public static C4QueryEnumerator *c4view_query(C4View *view, C4QueryOptions *options, C4Error *outError)
{
#if DEBUG
var retVal = _c4view_query(view, options, outError);
if(retVal != null) {
_AllocatedObjects[(IntPtr)retVal] = "C4QueryEnumerator";
#if ENABLE_LOGGING
Console.WriteLine("[c4view_query] Allocated 0x{0}", ((IntPtr)retVal).ToString("X"));
#endif
}
return retVal;
#else
return _c4view_query(view, options, outError);
#endif
}
private static extern C4QueryEnumerator* _c4view_query(C4View *view, C4QueryOptions *options, C4Error *outError);
