CarrotInc.MiniJSON.Json.Serializer.SerializeString C# (CSharp) Метод

            void SerializeString(string str)
            {
                builder.Append('\"');

                char[] charArray = str.ToCharArray();
                foreach (var c in charArray) {
                    switch (c) {
                    case '"':
                        builder.Append("\\\"");
                        break;
                    case '\\':
                        builder.Append("\\\\");
                        break;
                    case '\b':
                        builder.Append("\\b");
                        break;
                    case '\f':
                        builder.Append("\\f");
                        break;
                    case '\n':
                        builder.Append("\\n");
                        break;
                    case '\r':
                        builder.Append("\\r");
                        break;
                    case '\t':
                        builder.Append("\\t");
                        break;
                    default:
                        int codepoint = Convert.ToInt32(c);
                        if ((codepoint >= 32) && (codepoint <= 126)) {
                            builder.Append(c);
                        }
                        else {
                            builder.Append("\\u" + Convert.ToString(codepoint, 16).PadLeft(4, '0'));
                        }
                        break;
                    }
                }

                builder.Append('\"');
            }