Пример #1
0
        public static IDictionary ParseIDictionary(string value, Type dictType)
        {
            if (value == null)
            {
                return(null);
            }

            var index = VerifyAndGetStartIndex(value, dictType);

            var valueParseMethod = Serializer.GetParseFn(typeof(object));

            if (valueParseMethod == null)
            {
                return(null);
            }

            var to = (IDictionary)dictType.CreateInstance();

            if (JsonTypeSerializer.IsEmptyMap(value, index))
            {
                return(to);
            }

            var valueLength = value.Length;

            while (index < valueLength)
            {
                var keyValue = Serializer.EatMapKey(value, ref index);
                Serializer.EatMapKeySeperator(value, ref index);
                var elementStartIndex = index;
                var elementValue      = Serializer.EatTypeValue(value, ref index);
                if (keyValue == null)
                {
                    continue;
                }

                var mapKey = valueParseMethod(keyValue);

                if (elementStartIndex < valueLength)
                {
                    Serializer.EatWhitespace(value, ref elementStartIndex);
                    to[mapKey] = DeserializeType <TSerializer> .ParsePrimitive(elementValue, value[elementStartIndex]);
                }
                else
                {
                    to[mapKey] = valueParseMethod(elementValue);
                }

                Serializer.EatItemSeperatorOrMapEndChar(value, ref index);
            }

            return(to);
        }
Пример #2
0
        public static IDynamicMetaObjectProvider ParseDynamic(string value)
        {
            var index = VerifyAndGetStartIndex(value, typeof(ExpandoObject));

            var result = new ExpandoObject();

            if (JsonTypeSerializer.IsEmptyMap(value))
            {
                return(result);
            }

            var container = (IDictionary <String, Object>)result;

            var tryToParsePrimitiveTypes = JsConfig.TryToParsePrimitiveTypeValues;

            var valueLength = value.Length;

            while (index < valueLength)
            {
                var keyValue = Serializer.EatMapKey(value, ref index);
                Serializer.EatMapKeySeperator(value, ref index);
                var elementValue = Serializer.EatValue(value, ref index);

                var mapKey = Serializer.UnescapeString(keyValue);

                if (JsonUtils.IsJsObject(elementValue))
                {
                    container[mapKey] = ParseDynamic(elementValue);
                }
                else if (JsonUtils.IsJsArray(elementValue))
                {
                    container[mapKey] = DeserializeList <List <object>, TSerializer> .Parse(elementValue);
                }
                else if (tryToParsePrimitiveTypes)
                {
                    container[mapKey] = DeserializeType <TSerializer> .ParsePrimitive(elementValue) ?? Serializer.UnescapeString(elementValue);
                }
                else
                {
                    container[mapKey] = Serializer.UnescapeString(elementValue);
                }

                Serializer.EatItemSeperatorOrMapEndChar(value, ref index);
            }

            return(result);
        }
Пример #3
0
        private ParseStringDelegate GetCoreParseFn <T>()
        {
            var type = Nullable.GetUnderlyingType(typeof(T)) ?? typeof(T);

            if (JsConfig <T> .HasDeserializeFn)
            {
                return(value => JsConfig <T> .ParseFn(Serializer, value));
            }

            if (type.IsEnum())
            {
                return(x => ParseUtils.TryParseEnum(type, Serializer.UnescapeSafeString(x)));
            }

            if (type == typeof(string))
            {
                return(Serializer.UnescapeString);
            }

            if (type == typeof(object))
            {
                return(DeserializeType <TSerializer> .ObjectStringToType);
            }

            var specialParseFn = ParseUtils.GetSpecialParseMethod(type);

            if (specialParseFn != null)
            {
                return(specialParseFn);
            }

            if (type.IsArray)
            {
                return(DeserializeArray <T, TSerializer> .Parse);
            }

            var builtInMethod = DeserializeBuiltin <T> .Parse;

            if (builtInMethod != null)
            {
                return(value => builtInMethod(Serializer.UnescapeSafeString(value)));
            }

            if (type.HasGenericType())
            {
                if (type.IsOrHasGenericInterfaceTypeOf(typeof(IList <>)))
                {
                    return(DeserializeList <T, TSerializer> .Parse);
                }

                if (type.IsOrHasGenericInterfaceTypeOf(typeof(IDictionary <,>)))
                {
                    return(DeserializeDictionary <TSerializer> .GetParseMethod(type));
                }

                if (type.IsOrHasGenericInterfaceTypeOf(typeof(ICollection <>)))
                {
                    return(DeserializeCollection <TSerializer> .GetParseMethod(type));
                }

                if (type.HasAnyTypeDefinitionsOf(typeof(Queue <>)) ||
                    type.HasAnyTypeDefinitionsOf(typeof(Stack <>)))
                {
                    return(DeserializeSpecializedCollections <T, TSerializer> .Parse);
                }

                if (type.IsOrHasGenericInterfaceTypeOf(typeof(KeyValuePair <,>)))
                {
                    return(DeserializeKeyValuePair <TSerializer> .GetParseMethod(type));
                }

                if (type.IsOrHasGenericInterfaceTypeOf(typeof(IEnumerable <>)))
                {
                    return(DeserializeEnumerable <T, TSerializer> .Parse);
                }

                var customFn = DeserializeCustomGenericType <TSerializer> .GetParseMethod(type);

                if (customFn != null)
                {
                    return(customFn);
                }
            }

            var pclParseFn = PclExport.Instance.GetJsReaderParseMethod <TSerializer>(typeof(T));

            if (pclParseFn != null)
            {
                return(pclParseFn);
            }

            var isDictionary = typeof(T) != typeof(IEnumerable) && typeof(T) != typeof(ICollection) &&
                               (typeof(T).AssignableFrom(typeof(IDictionary)) || typeof(T).HasInterface(typeof(IDictionary)));

            if (isDictionary)
            {
                return(DeserializeDictionary <TSerializer> .GetParseMethod(type));
            }

            var isEnumerable = typeof(T).AssignableFrom(typeof(IEnumerable)) ||
                               typeof(T).HasInterface(typeof(IEnumerable));

            if (isEnumerable)
            {
                var parseFn = DeserializeSpecializedCollections <T, TSerializer> .Parse;
                if (parseFn != null)
                {
                    return(parseFn);
                }
            }

            if (type.IsValueType())
            {
                var staticParseMethod = StaticParseMethod <T> .Parse;
                if (staticParseMethod != null)
                {
                    return(value => staticParseMethod(Serializer.UnescapeSafeString(value)));
                }
            }
            else
            {
                var staticParseMethod = StaticParseRefTypeMethod <TSerializer, T> .Parse;
                if (staticParseMethod != null)
                {
                    return(value => staticParseMethod(Serializer.UnescapeSafeString(value)));
                }
            }

            var typeConstructor = DeserializeType <TSerializer> .GetParseMethod(TypeConfig <T> .GetState());

            if (typeConstructor != null)
            {
                return(typeConstructor);
            }

            var stringConstructor = DeserializeTypeUtils.GetParseMethod(type);

            if (stringConstructor != null)
            {
                return(stringConstructor);
            }

            return(DeserializeType <TSerializer> .ParseAbstractType <T>);
        }
Пример #4
0
        public static IDictionary <TKey, TValue> ParseDictionary <TKey, TValue>(
            string value, Type createMapType,
            ParseStringDelegate parseKeyFn, ParseStringDelegate parseValueFn)
        {
            if (value == null)
            {
                return(null);
            }

            var tryToParseItemsAsDictionaries =
                JsConfig.ConvertObjectTypesIntoStringDictionary && typeof(TValue) == typeof(object);
            var tryToParseItemsAsPrimitiveTypes =
                JsConfig.TryToParsePrimitiveTypeValues && typeof(TValue) == typeof(object);

            var index = VerifyAndGetStartIndex(value, createMapType);

            var to = (createMapType == null)
                ? new Dictionary <TKey, TValue>()
                : (IDictionary <TKey, TValue>)createMapType.CreateInstance();

            if (JsonTypeSerializer.IsEmptyMap(value, index))
            {
                return(to);
            }

            var valueLength = value.Length;

            while (index < valueLength)
            {
                var keyValue = Serializer.EatMapKey(value, ref index);
                Serializer.EatMapKeySeperator(value, ref index);
                var elementStartIndex = index;
                var elementValue      = Serializer.EatTypeValue(value, ref index);
                if (keyValue == null)
                {
                    continue;
                }

                TKey mapKey = (TKey)parseKeyFn(keyValue);

                if (tryToParseItemsAsDictionaries)
                {
                    Serializer.EatWhitespace(value, ref elementStartIndex);
                    if (elementStartIndex < valueLength && value[elementStartIndex] == JsWriter.MapStartChar)
                    {
                        var tmpMap = ParseDictionary <TKey, TValue>(elementValue, createMapType, parseKeyFn, parseValueFn);
                        if (tmpMap != null && tmpMap.Count > 0)
                        {
                            to[mapKey] = (TValue)tmpMap;
                        }
                    }
                    else if (elementStartIndex < valueLength && value[elementStartIndex] == JsWriter.ListStartChar)
                    {
                        to[mapKey] = (TValue)DeserializeList <List <object>, TSerializer> .Parse(elementValue);
                    }
                    else
                    {
                        to[mapKey] = (TValue)(tryToParseItemsAsPrimitiveTypes && elementStartIndex < valueLength
                                        ? DeserializeType <TSerializer> .ParsePrimitive(elementValue, value[elementStartIndex])
                                        : parseValueFn(elementValue));
                    }
                }
                else
                {
                    if (tryToParseItemsAsPrimitiveTypes && elementStartIndex < valueLength)
                    {
                        Serializer.EatWhitespace(value, ref elementStartIndex);
                        to[mapKey] = (TValue)DeserializeType <TSerializer> .ParsePrimitive(elementValue, value[elementStartIndex]);
                    }
                    else
                    {
                        to[mapKey] = (TValue)parseValueFn(elementValue);
                    }
                }

                Serializer.EatItemSeperatorOrMapEndChar(value, ref index);
            }

            return(to);
        }