예제 #1
0
        static void Pull(BsonDocument document, string name, BsonValue value, bool all)
        {
            var r = document.ResolvePath(name);
            if (r == null)
                return;

            BsonValue vArray;
            if (r.Array != null)
                vArray = r.Array[r.Index];
            else if (!r.Document.TryGetValue(r.Key, out vArray))
                return;

            if (vArray.BsonType != BsonType.Array)
                throw new InvalidOperationException(string.Format(null, @"Value ""{0}"" must be array.", name));

            var array = vArray.AsBsonArray;
            if (!all && value.BsonType == BsonType.Document)
            {
                //_131130_103226 Created in Update.Pull(query)
                var wrapper = value as BsonDocumentWrapper;
                if (wrapper != null)
                    value = (BsonValue)wrapper.WrappedObject;

                var predicate = QueryCompiler.GetFunction(value.AsBsonDocument);
                for (int i = array.Count; --i >= 0; )
                {
                    var v = array[i];
                    if (v.BsonType == BsonType.Document && predicate(v.AsBsonDocument))
                        array.RemoveAt(i);
                }
            }
            else
            {
                BsonArray values = all ? value.AsBsonArray : null;
                for (int i = array.Count; --i >= 0; )
                {
                    if (values == null)
                    {
                        if (value.CompareTo(array[i]) == 0)
                            array.RemoveAt(i);
                    }
                    else
                    {
                        if (values.ContainsByCompareTo(array[i]))
                            array.RemoveAt(i);
                    }
                }
            }
        }
 internal static bool GteComparer(BsonValue lhs, BsonValue rhs)
 => lhs.CompareTo(rhs) >= 0;
 internal static bool LtComparer(BsonValue lhs, BsonValue rhs)
 => lhs.CompareTo(rhs) < 0;
 internal static bool EqComparer(BsonValue lhs, BsonValue rhs)
 => lhs.CompareTo(rhs) == 0;