Пример #1
0
        public JsonPropertyInfo GetProperty(ReadOnlySpan <byte> propertyName, int propertyIndex)
        {
            ulong            key  = GetKey(propertyName);
            JsonPropertyInfo info = null;

            // First try sorted lookup.
            int count = _property_refs_sorted.Count;

            if (count != 0)
            {
                int iForward  = propertyIndex;
                int iBackward = propertyIndex - 1;
                while (iForward < count || (iBackward >= 0 && iBackward < count))
                {
                    if (iForward < count)
                    {
                        if (TryIsPropertyRefEqual(_property_refs_sorted, propertyName, key, iForward, out info))
                        {
                            return(info);
                        }
                        ++iForward;
                    }

                    if (iBackward >= 0)
                    {
                        if (TryIsPropertyRefEqual(_property_refs_sorted, propertyName, key, iBackward, out info))
                        {
                            return(info);
                        }
                        --iBackward;
                    }
                }
            }

            // Then try fallback
            for (int i = 0; i < _property_refs.Count; i++)
            {
                if (TryIsPropertyRefEqual(_property_refs, propertyName, key, i, out info))
                {
                    break;
                }
            }

            if (info == null)
            {
                string stringPropertyName = JsonReaderHelper.TranscodeHelper(propertyName);
                throw new InvalidOperationException($"todo: invalid property {stringPropertyName}");
            }

            _property_refs_sorted.Add(new PropertyRef(key, info));

            return(info);
        }
        private static string WriteCoreString(object value, Type type, JsonSerializerOptions options)
        {
            options ??= JsonSerializerOptions.s_defaultOptions;
            string result;

            using (var output = new ArrayBufferWriter <byte>(options.DefaultBufferSize))
            {
                WriteCore(output, value, type, options);
                result = JsonReaderHelper.TranscodeHelper(output.WrittenMemory.Span);
            }

            return(result);
        }