コード例 #1
0
        protected override void ReadObjectProperties(JsonReader reader, Expression result, Dictionary <string, Property> properties, JsonSerializer serializer)
        {
            if (result is ConstantExpression constantExpression)
            {
                reader.CheckNotNull(nameof(reader)).AssertProperty(nameof(ConstantExpression.Type));
                var typeInfo = reader.Read <TypeInfo>(serializer);
                constantExpression.Type = typeInfo ?? throw reader.CreateException($"{nameof(ConstantExpression.Type)} must not be null.");

                reader.Advance();
                if (reader.IsProperty(ValueTypePropertyName))
                {
                    typeInfo = reader.Read <TypeInfo>(serializer);
                    reader.Advance();
                }

                reader.AssertProperty(nameof(ConstantExpression.Value), false);
                var value = reader.Read(typeInfo, serializer);
                constantExpression.Value = value;

                reader.AssertEndObject();
            }
            else
            {
                base.ReadObjectProperties(reader, result, properties, serializer);
            }
        }
コード例 #2
0
        protected override void ReadObjectProperties(JsonReader reader, VariableQueryArgument result, Dictionary <string, Property> properties, JsonSerializer serializer)
        {
            reader.CheckNotNull(nameof(reader)).AssertProperty(nameof(VariableQueryArgument.Type));
            var typeInfo = reader.Read <TypeInfo>(serializer) ?? throw reader.CreateException($"{nameof(VariableQueryArgument.Type)} must not be null.");

            reader.AssertProperty(nameof(VariableQueryArgument.Value));
            var value = reader.Read(typeInfo, serializer);

            reader.AssertEndObject();

            result.CheckNotNull(nameof(result)).Type = typeInfo;
            result.Value = value;
        }
コード例 #3
0
        protected override void ReadObjectProperties(JsonReader reader, VariableQueryArgumentList result, Dictionary <string, Property> properties, JsonSerializer serializer)
        {
            TypeInfo?elementTypeInfo;

            void SetResult(List <object?>?values = null)
            {
                reader.AssertEndObject();
                result.CheckNotNull(nameof(result)).ElementType = elementTypeInfo;
                result.Values = values ?? new List <object?>();
            }

            reader.CheckNotNull(nameof(reader)).AssertProperty(nameof(VariableQueryArgumentList.ElementType));
            elementTypeInfo = reader.Read <TypeInfo>(serializer) ?? throw reader.CreateException($"{nameof(VariableQueryArgumentList.ElementType)} must not be null.");

            reader.Advance();
            if (reader.TokenType == JsonToken.Null)
            {
                SetResult();
                return;
            }

            if (reader.TokenType != JsonToken.StartArray)
            {
                throw reader.CreateException($"Expected array");
            }

            bool TryReadNextItem(out object?value)
            {
                if (!reader.TryRead(elementTypeInfo !, serializer, out value))
                {
                    // TODO: is max length quota required?
                    if (reader.TokenType == JsonToken.EndArray)
                    {
                        return(false);
                    }

                    throw reader.CreateException("Unexpected token structure.");
                }

                return(true);
            }

            var values = new List <object?>();

            while (TryReadNextItem(out object?value))
            {
                values.Add(value);
            }

            SetResult(values);
        }
コード例 #4
0
        protected override void ReadObjectProperties(JsonReader reader, DynamicObject result, Dictionary <string, Property> properties, JsonSerializer serializer)
        {
            reader.Advance();

            TypeInfo?typeInfo = null;

            void SetResult(IEnumerable <DynamicProperty>?properties = null)
            {
                reader.AssertEndObject();

                result.Type = typeInfo;
                if (properties?.Any() == true)
                {
                    result.Properties = new PropertySet(properties);
                }
            }

            if (reader.IsProperty(nameof(DynamicObject.Type)))
            {
                typeInfo = reader.Read <TypeInfo?>(serializer);
                reader.Advance();
            }

            if (reader.IsProperty("Value"))
            {
                var value = reader.Read(typeInfo, serializer);
                SetResult(new[] { new DynamicProperty(string.Empty, value) });
                return;
            }

            if (reader.IsProperty("Values"))
            {
                reader.Advance();
                if (reader.TokenType == JsonToken.Null)
                {
                    SetResult();
                    return;
                }

                if (reader.TokenType != JsonToken.StartArray)
                {
                    throw reader.CreateException($"Expected array");
                }

                var elementType = TypeHelper.GetElementType(typeInfo?.Type) ?? typeof(object);
                bool TryReadNextItem(out object?value)
                {
                    if (!reader.TryRead(elementType, serializer, out value))
                    {
                        // TODO: is max length quota required?
                        if (reader.TokenType == JsonToken.EndArray)
                        {
                            return(false);
                        }

                        throw reader.CreateException("Unexpected token structure.");
                    }

                    return(true);
                }

                var values = new List <object?>();
                while (TryReadNextItem(out var item))
                {
                    values.Add(item);
                }

                if (values.Any(x => x != null && (elementType == typeof(object) || !elementType.IsAssignableFrom(x.GetType()))) &&
                    values.All(x => x is null || x is string))
                {
                    elementType = typeof(string);
                }

                var valueArray = CastCollectionToArrayOfType(elementType, values);
                SetResult(new[] { new DynamicProperty(string.Empty, valueArray) });
                return;
            }

            if (reader.IsProperty(nameof(DynamicObject.Properties)))
            {
                reader.Advance();
                if (reader.TokenType == JsonToken.Null)
                {
                    SetResult();
                    return;
                }

                if (reader.TokenType != JsonToken.StartArray)
                {
                    throw reader.CreateException("Expected array");
                }

                var propertySet = new List <DynamicProperty>();

                bool NextItem()
                {
                    // TODO: is max length quota required?
                    reader.Advance();
                    return(reader.TokenType != JsonToken.EndArray);
                }

                while (NextItem())
                {
                    reader.AssertStartObject(false);

                    reader.AssertProperty(nameof(DynamicProperty.Name));
                    var name = reader.ReadAsString() ?? throw reader.CreateException("Property name must not be null");

                    reader.AssertProperty(nameof(Type));
                    var type = reader.Read <TypeInfo?>(serializer);

                    reader.AssertProperty(nameof(DynamicProperty.Value));
                    var value = reader.Read(type, serializer);

                    reader.AssertEndObject();
                    propertySet.Add(new DynamicProperty(name, value));
                }

                SetResult(propertySet);
                return;
            }

            throw reader.CreateException($"Unexpected token {reader.TokenType}");
        }
コード例 #5
0
        protected override void ReadObjectProperties(JsonReader reader, DynamicObject result, Dictionary <string, Property> properties, JsonSerializer serializer)
        {
            reader.CheckNotNull(nameof(reader)).Advance();
            result.CheckNotNull(nameof(result));
            serializer.CheckNotNull(nameof(serializer));

            TypeInfo?typeInfo = null;

            void SetResult(IEnumerable <DynamicProperty>?properties = null)
            {
                reader.AssertEndObject();

                result.Type = typeInfo;
                if (properties?.Any() is true)
                {
                    result.Properties = new PropertySet(properties);
                }
            }

            if (reader.IsProperty(nameof(DynamicObject.Type)))
            {
                typeInfo = reader.Read <TypeInfo?>(serializer);
                reader.Advance();
            }

            bool IsProperty(string property, out bool isDynamicValueType)
            {
                isDynamicValueType = false;

                if (reader.IsProperty(property))
                {
                    return(true);
                }

                if (reader.IsProperty($"Dynamic{property}"))
                {
                    isDynamicValueType = true;
                    return(true);
                }

                return(false);
            }

            if (IsProperty(ValueProperty, out var isDynamicValue))
            {
                var value = isDynamicValue
                    ? reader.Read <DynamicObject>(serializer)
                    : reader.Read(typeInfo, serializer);
                SetResult(new[] { new DynamicProperty(string.Empty, value) });
                return;
            }

            if (IsProperty(ValuesProperty, out isDynamicValue))
            {
                reader.Advance();
                if (reader.TokenType == JsonToken.Null)
                {
                    SetResult();
                    return;
                }

                if (reader.TokenType != JsonToken.StartArray)
                {
                    throw reader.CreateException($"Expected array");
                }

                var elementType = TypeHelper.GetElementType(typeInfo?.ToType()) ?? typeof(object);
                bool TryReadNextItem(out object?value)
                {
                    var itemType = isDynamicValue ? typeof(DynamicObject) : elementType;

                    if (!reader.TryRead(itemType, serializer, out value))
                    {
                        if (reader.TokenType == JsonToken.EndArray)
                        {
                            return(false);
                        }

                        throw reader.CreateException("Unexpected token structure.");
                    }

                    return(true);
                }

                var values = new List <object?>();
                while (TryReadNextItem(out var item))
                {
                    values.Add(item);
                }

                if (isDynamicValue)
                {
                    elementType = typeof(object);
                }
                else if (values.Any(x => x is not null && (elementType == typeof(object) || !elementType.IsInstanceOfType(x))) &&
                         values.All(x => x is null || x is string))
                {
                    elementType = typeof(string);
                }

                var valueArray = values.CastCollectionToArrayOfType(elementType);
                SetResult(new[] { new DynamicProperty(string.Empty, valueArray) });
                return;
            }

            if (reader.IsProperty(nameof(DynamicObject.Properties)))
            {
                reader.Advance();
                if (reader.TokenType == JsonToken.Null)
                {
                    SetResult();
                    return;
                }

                if (reader.TokenType != JsonToken.StartArray)
                {
                    throw reader.CreateException("Expected array");
                }

                var propertySet = new List <DynamicProperty>();

                bool NextItem()
                {
                    reader.Advance();
                    return(reader.TokenType != JsonToken.EndArray);
                }

                while (NextItem())
                {
                    reader.AssertStartObject(false);

                    reader.AssertProperty(nameof(DynamicProperty.Name));
                    var name = reader.ReadAsString() ?? throw reader.CreateException("Property name must not be null");

                    reader.AssertProperty(nameof(Type));
                    var type = reader.Read <TypeInfo?>(serializer);

                    reader.AssertProperty(nameof(DynamicProperty.Value));
                    var value = reader.Read(type, serializer);

                    reader.AssertEndObject();
                    propertySet.Add(new DynamicProperty(name, value));
                }

                SetResult(propertySet);
                return;
            }

            throw reader.CreateException($"Unexpected token {reader.TokenType}");
        }