示例#1
0
        public static ParseStringDelegate GetParseMethod(TypeConfig typeConfig)
        {
            var type = typeConfig.Type;

            if (!type.IsStandardClass())
            {
                return(null);
            }
            var map = DeserializeTypeRef.GetTypeAccessorMap(typeConfig, Serializer);

            var ctorFn = JsConfig.ModelFactory(type);

            if (map == null)
            {
                return(value => ctorFn());
            }

            return(typeof(TSerializer) == typeof(Json.JsonTypeSerializer)
                ? (ParseStringDelegate)(value => DeserializeTypeRefJson.StringToType(type, value, ctorFn, map))
                : value => DeserializeTypeRefJsv.StringToType(type, value, ctorFn, map));
        }
示例#2
0
        internal static object StringToType(
            Type type,
            string strType,
            EmptyCtorDelegate ctorFn,
            Dictionary <string, TypeAccessor> typeAccessorMap)
        {
            var index = 0;

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

            //if (!Serializer.EatMapStartChar(strType, ref index))
            for (; index < strType.Length; index++)
            {
                var c = strType[index]; if (c >= JsonTypeSerializer.WhiteSpaceFlags.Length || !JsonTypeSerializer.WhiteSpaceFlags[c])
                {
                    break;
                }
            }                                                                                                                                                                        //Whitespace inline
            if (strType[index++] != JsWriter.MapStartChar)
            {
                throw DeserializeTypeRef.CreateSerializationError(type, strType);
            }

            if (JsonTypeSerializer.IsEmptyMap(strType, index))
            {
                return(ctorFn());
            }

            object instance = null;

            var strTypeLength = strType.Length;

            while (index < strTypeLength)
            {
                var propertyName = JsonTypeSerializer.ParseJsonString(strType, ref index);

                //Serializer.EatMapKeySeperator(strType, ref index);
                for (; index < strType.Length; index++)
                {
                    var c = strType[index]; if (c >= JsonTypeSerializer.WhiteSpaceFlags.Length || !JsonTypeSerializer.WhiteSpaceFlags[c])
                    {
                        break;
                    }
                }                                                                                                                                                                        //Whitespace inline
                if (strType.Length != index)
                {
                    index++;
                }

                var propertyValueStr = Serializer.EatValue(strType, ref index);
                var possibleTypeInfo = propertyValueStr != null && propertyValueStr.Length > 1;

                //if we already have an instance don't check type info, because then we will have a half deserialized object
                //we could throw here or just use the existing instance.
                if (instance == null && possibleTypeInfo && propertyName == JsWriter.TypeAttr)
                {
                    var explicitTypeName = Serializer.ParseString(propertyValueStr);
                    var explicitType     = AssemblyUtils.FindType(explicitTypeName);

                    if (explicitType != null && !explicitType.IsInterface() && !explicitType.IsAbstract())
                    {
                        instance = explicitType.CreateInstance();
                    }

                    if (instance == null)
                    {
                        Tracer.Instance.WriteWarning("Could not find type: " + propertyValueStr);
                    }
                    else
                    {
                        //If __type info doesn't match, ignore it.
                        if (!type.InstanceOfType(instance))
                        {
                            instance = null;
                        }
                        else
                        {
                            var derivedType = instance.GetType();
                            if (derivedType != type)
                            {
                                var derivedTypeConfig = new TypeConfig(derivedType);
                                var map = DeserializeTypeRef.GetTypeAccessorMap(derivedTypeConfig, Serializer);
                                if (map != null)
                                {
                                    typeAccessorMap = map;
                                }
                            }
                        }
                    }

                    Serializer.EatItemSeperatorOrMapEndChar(strType, ref index);
                    continue;
                }

                if (instance == null)
                {
                    instance = ctorFn();
                }

                var typeAccessor = PropertyNameResolver.GetTypeAccessorForProperty(propertyName, typeAccessorMap);

                var propType = possibleTypeInfo && propertyValueStr[0] == '_' ? TypeAccessor.ExtractType(Serializer, propertyValueStr) : null;
                if (propType != null)
                {
                    try
                    {
                        if (typeAccessor != null)
                        {
                            //var parseFn = Serializer.GetParseFn(propType);
                            var parseFn = JsonReader.GetParseFn(propType);

                            var propertyValue = parseFn(propertyValueStr);
                            typeAccessor.SetProperty(instance, propertyValue);
                        }

                        //Serializer.EatItemSeperatorOrMapEndChar(strType, ref index);
                        for (; index < strType.Length; index++)
                        {
                            var c = strType[index]; if (c >= JsonTypeSerializer.WhiteSpaceFlags.Length || !JsonTypeSerializer.WhiteSpaceFlags[c])
                            {
                                break;
                            }
                        }                                                                                                                                                                        //Whitespace inline
                        if (index != strType.Length)
                        {
                            var success = strType[index] == JsWriter.ItemSeperator || strType[index] == JsWriter.MapEndChar;
                            index++;
                            if (success)
                            {
                                for (; index < strType.Length; index++)
                                {
                                    var c = strType[index]; if (c >= JsonTypeSerializer.WhiteSpaceFlags.Length || !JsonTypeSerializer.WhiteSpaceFlags[c])
                                    {
                                        break;
                                    }
                                }                                                                                                                                                                        //Whitespace inline
                            }
                        }

                        continue;
                    }
                    catch (Exception e)
                    {
                        if (JsConfig.ThrowOnDeserializationError)
                        {
                            throw DeserializeTypeRef.GetSerializationException(propertyName, propertyValueStr, propType, e);
                        }
                        else
                        {
                            Tracer.Instance.WriteWarning("WARN: failed to set dynamic property {0} with: {1}", propertyName, propertyValueStr);
                        }
                    }
                }

                if (typeAccessor != null && typeAccessor.GetProperty != null && typeAccessor.SetProperty != null)
                {
                    try
                    {
                        var propertyValue = typeAccessor.GetProperty(propertyValueStr);
                        typeAccessor.SetProperty(instance, propertyValue);
                    }
                    catch (Exception e)
                    {
                        if (JsConfig.ThrowOnDeserializationError)
                        {
                            throw DeserializeTypeRef.GetSerializationException(propertyName, propertyValueStr, typeAccessor.PropertyType, e);
                        }
                        else
                        {
                            Tracer.Instance.WriteWarning("WARN: failed to set property {0} with: {1}", propertyName, propertyValueStr);
                        }
                    }
                }

                //Serializer.EatItemSeperatorOrMapEndChar(strType, ref index);
                for (; index < strType.Length; index++)
                {
                    var c = strType[index]; if (c >= JsonTypeSerializer.WhiteSpaceFlags.Length || !JsonTypeSerializer.WhiteSpaceFlags[c])
                    {
                        break;
                    }
                }                                                                                                                                                                        //Whitespace inline
                if (index != strType.Length)
                {
                    var success = strType[index] == JsWriter.ItemSeperator || strType[index] == JsWriter.MapEndChar;
                    index++;
                    if (success)
                    {
                        for (; index < strType.Length; index++)
                        {
                            var c = strType[index]; if (c >= JsonTypeSerializer.WhiteSpaceFlags.Length || !JsonTypeSerializer.WhiteSpaceFlags[c])
                            {
                                break;
                            }
                        }                                                                                                                                                                        //Whitespace inline
                    }
                }
            }

            return(instance);
        }
示例#3
0
        internal static object StringToType(
            Type type,
            string strType,
            EmptyCtorDelegate ctorFn,
            Dictionary <string, TypeAccessor> typeAccessorMap)
        {
            var index = 0;

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

            //if (!Serializer.EatMapStartChar(strType, ref index))
            if (strType[index++] != JsWriter.MapStartChar)
            {
                throw DeserializeTypeRef.CreateSerializationError(type, strType);
            }

            if (JsonTypeSerializer.IsEmptyMap(strType))
            {
                return(ctorFn());
            }

            object instance = null;

            var strTypeLength = strType.Length;

            while (index < strTypeLength)
            {
                var propertyName = Serializer.EatMapKey(strType, ref index);

                //Serializer.EatMapKeySeperator(strType, ref index);
                index++;

                var propertyValueStr = Serializer.EatValue(strType, ref index);
                var possibleTypeInfo = propertyValueStr != null && propertyValueStr.Length > 1;

                if (possibleTypeInfo && propertyName == JsWriter.TypeAttr)
                {
                    var explicitTypeName = Serializer.ParseString(propertyValueStr);
                    var explicitType     = AssemblyUtils.FindType(explicitTypeName);

                    if (explicitType != null && !explicitType.IsInterface() && !explicitType.IsAbstract())
                    {
                        instance = explicitType.CreateInstance();
                    }

                    if (instance == null)
                    {
                        Tracer.Instance.WriteWarning("Could not find type: " + propertyValueStr);
                    }
                    else
                    {
                        //If __type info doesn't match, ignore it.
                        if (!type.InstanceOfType(instance))
                        {
                            instance = null;
                        }
                        else
                        {
                            var derivedType = instance.GetType();
                            if (derivedType != type)
                            {
                                var derivedTypeConfig = new TypeConfig(derivedType);
                                var map = DeserializeTypeRef.GetTypeAccessorMap(derivedTypeConfig, Serializer);
                                if (map != null)
                                {
                                    typeAccessorMap = map;
                                }
                            }
                        }
                    }

                    //Serializer.EatItemSeperatorOrMapEndChar(strType, ref index);
                    if (index != strType.Length)
                    {
                        index++;
                    }

                    continue;
                }

                if (instance == null)
                {
                    instance = ctorFn();
                }

                TypeAccessor typeAccessor;
                typeAccessorMap.TryGetValue(propertyName, out typeAccessor);

                var propType = possibleTypeInfo && propertyValueStr[0] == '_' ? TypeAccessor.ExtractType(Serializer, propertyValueStr) : null;
                if (propType != null)
                {
                    try
                    {
                        if (typeAccessor != null)
                        {
                            var parseFn       = Serializer.GetParseFn(propType);
                            var propertyValue = parseFn(propertyValueStr);
                            typeAccessor.SetProperty(instance, propertyValue);
                        }

                        //Serializer.EatItemSeperatorOrMapEndChar(strType, ref index);
                        if (index != strType.Length)
                        {
                            index++;
                        }

                        continue;
                    }
                    catch (Exception e)
                    {
                        if (JsConfig.ThrowOnDeserializationError)
                        {
                            throw DeserializeTypeRef.GetSerializationException(propertyName, propertyValueStr, propType, e);
                        }
                        else
                        {
                            Tracer.Instance.WriteWarning("WARN: failed to set dynamic property {0} with: {1}", propertyName, propertyValueStr);
                        }
                    }
                }

                if (typeAccessor != null && typeAccessor.GetProperty != null && typeAccessor.SetProperty != null)
                {
                    try
                    {
                        var propertyValue = typeAccessor.GetProperty(propertyValueStr);
                        typeAccessor.SetProperty(instance, propertyValue);
                    }
                    catch (Exception e)
                    {
                        if (JsConfig.ThrowOnDeserializationError)
                        {
                            throw DeserializeTypeRef.GetSerializationException(propertyName, propertyValueStr, propType, e);
                        }
                        else
                        {
                            Tracer.Instance.WriteWarning("WARN: failed to set property {0} with: {1}", propertyName, propertyValueStr);
                        }
                    }
                }

                //Serializer.EatItemSeperatorOrMapEndChar(strType, ref index);
                if (index != strType.Length)
                {
                    index++;
                }
            }

            return(instance);
        }