Ejemplo n.º 1
0
        public override SKPointI Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
        {
            switch (reader.TokenType)
            {
            case JsonTokenType.None:
            case JsonTokenType.PropertyName:
                if (!reader.Read())
                {
                    throw new JsonException("expected token to parse");
                }
                break;
            }

            int?x = null, y = null;

            var startingDepth = reader.CurrentDepth;

            do
            {
                if (!reader.Read())
                {
                    throw new JsonException("expected token to parse");
                }

                switch (reader.TokenType)
                {
                case JsonTokenType.PropertyName when reader.ValueTextEquals("X"):
                    reader.EnsureRead();

                    x = reader.GetInt32();
                    break;

                case JsonTokenType.PropertyName when reader.ValueTextEquals("Y"):
                    reader.EnsureRead();

                    y = reader.GetInt32();
                    break;
                }
            }while (reader.CurrentDepth > startingDepth);

            if (!x.HasValue)
            {
                ThrowIncompleteObject(nameof(x));
            }
            if (!y.HasValue)
            {
                ThrowIncompleteObject(nameof(y));
            }

            return(new SKPointI(x.Value, y.Value));
        }