Exemplo n.º 1
0
 public static TypeAccessor Create(ITypeSerializer serializer, TypeConfig typeConfig, FieldInfo fieldInfo)
 {
     return(new TypeAccessor
     {
         PropertyType = fieldInfo.FieldType,
         GetProperty = serializer.GetParseFn(fieldInfo.FieldType),
         SetProperty = GetSetFieldMethod(typeConfig, fieldInfo),
     });
 }
Exemplo n.º 2
0
        private static SetPropertyDelegate GetSetFieldMethod(TypeConfig typeConfig, FieldInfo fieldInfo)
        {
            if (fieldInfo.ReflectedType() != fieldInfo.DeclaringType)
            {
                fieldInfo = fieldInfo.DeclaringType.GetFieldInfo(fieldInfo.Name);
            }

            return(PclExport.Instance.GetSetFieldMethod(fieldInfo));
        }
Exemplo n.º 3
0
 public static TypeAccessor Create(ITypeSerializer serializer, TypeConfig typeConfig, PropertyInfo propertyInfo)
 {
     return(new TypeAccessor
     {
         PropertyType = propertyInfo.PropertyType,
         GetProperty = serializer.GetParseFn(propertyInfo.PropertyType),
         SetProperty = GetSetPropertyMethod(typeConfig, propertyInfo),
     });
 }
        internal static Dictionary <string, TypeAccessor> GetTypeAccessorMap(TypeConfig typeConfig, ITypeSerializer serializer)
        {
            var type           = typeConfig.Type;
            var isDataContract = type.IsDto();

            var propertyInfos = type.GetSerializableProperties();
            var fieldInfos    = type.GetSerializableFields();

            if (propertyInfos.Length == 0 && fieldInfos.Length == 0)
            {
                return(null);
            }

            var map = new Dictionary <string, TypeAccessor>(StringComparer.OrdinalIgnoreCase);

            if (propertyInfos.Length != 0)
            {
                foreach (var propertyInfo in propertyInfos)
                {
                    var propertyName = propertyInfo.Name;
                    if (isDataContract)
                    {
                        var dcsDataMember = propertyInfo.GetDataMember();
                        if (dcsDataMember != null && dcsDataMember.Name != null)
                        {
                            propertyName = dcsDataMember.Name;
                        }
                    }
                    map[propertyName] = TypeAccessor.Create(serializer, typeConfig, propertyInfo);
                }
            }

            if (fieldInfos.Length != 0)
            {
                foreach (var fieldInfo in fieldInfos)
                {
                    var field = fieldInfo.Name;
                    if (isDataContract)
                    {
                        var dcsDataMember = fieldInfo.GetDataMember();
                        if (dcsDataMember != null && dcsDataMember.Name != null)
                        {
                            field = dcsDataMember.Name;
                        }
                    }
                    map[field] = TypeAccessor.Create(serializer, typeConfig, fieldInfo);
                }
            }
            return(map);
        }
Exemplo n.º 5
0
        internal 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(JsonTypeSerializer)
                ? (ParseStringDelegate)(value => DeserializeTypeRefJson.StringToType(typeConfig, value, ctorFn, map))
                : value => DeserializeTypeRefJsv.StringToType(typeConfig, value, ctorFn, map));
        }
Exemplo n.º 6
0
        private static SetPropertyDelegate GetSetPropertyMethod(TypeConfig typeConfig, PropertyInfo propertyInfo)
        {
            if (propertyInfo.ReflectedType() != propertyInfo.DeclaringType)
            {
                propertyInfo = propertyInfo.DeclaringType.GetPropertyInfo(propertyInfo.Name);
            }

            if (!propertyInfo.CanWrite && !typeConfig.EnableAnonymousFieldSetterses)
            {
                return(null);
            }

            FieldInfo fieldInfo = null;

            if (!propertyInfo.CanWrite)
            {
                //TODO: What string comparison is used in SST?
                string fieldNameFormat = Env.IsMono ? "<{0}>" : "<{0}>i__Field";
                var    fieldName       = string.Format(fieldNameFormat, propertyInfo.Name);

                var fieldInfos = typeConfig.Type.GetWritableFields();
                foreach (var f in fieldInfos)
                {
                    if (f.IsInitOnly && f.FieldType == propertyInfo.PropertyType && f.Name == fieldName)
                    {
                        fieldInfo = f;
                        break;
                    }
                }

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

            return(PclExport.Instance.GetSetMethod(propertyInfo, fieldInfo));
        }
Exemplo n.º 7
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>);
        }
Exemplo n.º 8
0
        internal static object StringToType(
            TypeConfig typeConfig,
            string strType,
            EmptyCtorDelegate ctorFn,
            Dictionary <string, TypeAccessor> typeAccessorMap)
        {
            var index = 0;
            var type  = typeConfig.Type;

            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 propertyResolver = JsConfig.PropertyConvention == PropertyConvention.Lenient
                ? ParseUtils.LenientPropertyNameResolver
                : ParseUtils.DefaultPropertyNameResolver;

            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     = JsConfig.TypeFinder(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 = propertyResolver.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);
                            if (typeConfig.OnDeserializing != null)
                            {
                                propertyValue = typeConfig.OnDeserializing(instance, propertyName, propertyValue);
                            }
                            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);
                        if (typeConfig.OnDeserializing != null)
                        {
                            propertyValue = typeConfig.OnDeserializing(instance, propertyName, propertyValue);
                        }
                        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);
                        }
                    }
                }
                else if (typeConfig.OnDeserializing != null)
                {
                    // the property is not known by the DTO
                    typeConfig.OnDeserializing(instance, 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);
        }