コード例 #1
0
        protected void SetSharedObjects()
        {
            if (sharedElement == null)
            {
                return;
            }

            foreach (XElement e in sharedElement.Elements())
            {
                Ns     ns  = deserializeNamespaceLookup[e.GetPrefixOfNamespace(e.Name.Namespace)];
                object obj = null;
                bool   bs  = e.FirstNode.NodeType == System.Xml.XmlNodeType.CDATA;

                if (bs)
                {
                    if (Serializer.HasBinarySerializer(ns.Type))
                    {
                        XCData cdataNode = e.FirstNode as XCData;
                        int    length    = int.Parse(e.Attribute("Length").Value);
                        byte[] bytes     = Convert.FromBase64String(cdataNode.Value);
                        obj = Serializer.BinaryDeserialize(ns.Type, new BinarySerializerData(bytes, length));
                    }
                }
                else
                {
                    if (Serializer.HasXmlSerializer(ns.Type))
                    {
                        XAttribute valA = e.Attribute("Value");
                        obj = Serializer.Deserialize(ns.Type, valA.Value);
                    }
                    else
                    {
                        obj = Activator.CreateInstance(ns.Type);
                        sharedObjects_DeferredDeserialization.Add(e.Name.LocalName);
                    }
                }

                if (obj == null)
                {
                    throw new Exception("Could not resolve object type " + ns.Type.Name);
                }

                sharedObjects.Add(e.Name.LocalName, obj);
            }

            foreach (XElement e in sharedElement.Elements())
            {
                if (sharedObjects_DeferredDeserialization.Contains(e.Name.LocalName))
                {
                    object obj = sharedObjects[e.Name.LocalName];
                    SetMembers(obj, e);
                }
            }
        }
コード例 #2
0
        private Ns Lookup(Type type)
        {
            Object_Type ot = ReflectionHelper.Instance.GetObjectType(type);

            if (ot == Object_Type.Enum)
            {
                Type t  = Enum.GetUnderlyingType(type);
                Ns   ns = reverseNsLookup[t];
                return(new Ns(ns.Name, t, Object_Type.Enum));
            }

            return(reverseNsLookup[type]);
        }
コード例 #3
0
        private void SerializeCollection(object obj, XElement parent, string name, Type type, object value, bool preferBinarySerialization)
        {
            Ns          ns = Lookup(type);
            Object_Type ot = ns.ObjectType;

            XElement collectionElement = null;

            //first thing to do is create the base element that will hold the collection items
            switch (ot)
            {
            case Object_Type.List:
            case Object_Type.Dictionary:
            {
                collectionElement = XHelper.CreateElement(parent, ns.Name, name);
            }
            break;

            case Object_Type.Array:
            {
                int    dimensions             = type.GetArrayRank();
                Array  a                      = (Array)value;
                string dimensionsLengthString = string.Empty;

                for (int i = 0; i < dimensions; i++)
                {
                    dimensionsLengthString += (a.GetLength(i).ToString() + ";");
                }

                dimensionsLengthString = dimensionsLengthString.TrimEnd(new char[] { ';' });
                collectionElement      = XHelper.CreateElement(parent, ns.Name, name, null, new Dictionary <string, object>()
                    {
                        { "Dimensions", dimensionsLengthString }
                    });
            }
            break;

            default:
            {
                throw new Exception("Collection type not implemented");
            }
            }

            SerializeCollectionCallback callback = new SerializeCollectionCallback(SerializeListCallback);

            //now iterate through the items and call a callback on each one
            switch (ot)
            {
            case Object_Type.Array:
            case Object_Type.List:
            {
                XElement    valuesElement = XHelper.CreateElement(collectionElement, null, "Values");
                IEnumerator e             = ((IList)value).GetEnumerator();
                while (e.MoveNext())
                {
                    callback(obj, valuesElement, e.Current, preferBinarySerialization);
                }
            }
            break;

            case Object_Type.Dictionary:
            {
                XElement keysElement    = XHelper.CreateElement(collectionElement, null, "Keys");
                XElement valuesElement  = XHelper.CreateElement(collectionElement, null, "Values");
                IDictionaryEnumerator e = ((IDictionary)value).GetEnumerator();
                while (e.MoveNext())
                {
                    callback(obj, keysElement, e.Key, preferBinarySerialization);
                    callback(obj, valuesElement, e.Value, preferBinarySerialization);
                }
            }
            break;

            default:
            {
                throw new Exception("Collection type not implemented");
            }
            }
        }
コード例 #4
0
        protected void GetMember(object objectToSerialize, string name, Type type, object value, XElement e, bool preferBinarySerialization)
        {
            //this happens when the type of the member is different to the type of the value assigned to it
            //for example a member might be declared as a base class or interface and have a derived class assigned to it
            Type valType;

            if (value != null && (valType = value.GetType()) != type)
            {
                type = valType;
            }

            Ns ns = Lookup(type);

            Object_Type ot = ns.ObjectType;

            switch (ot)
            {
            case Object_Type.Struct:
            case Object_Type.Class:
            {
                bool isShared = Attribute.IsDefined(ns.Type, typeof(SerializeAsSharedObject), true);
                if (isShared)
                {
                    //first thing we do is create an element that links this value to the shared object
                    XElement assetObjectElement = XHelper.CreateElement(e, ns.Name, name);

                    if (value == null)
                    {
                        XHelper.CreateAttribute(assetObjectElement, "ID", "null");
                        return;
                    }

                    byte[] hash = MD5.Create().ComputeHash(BitShifter.ToByte(value.GetHashCode()));
                    //prefix with an X to make sure first character is a letter in accordance with XML standard
                    string s = "X" + string.Concat(hash.Select(x => x.ToString("X2")));

                    XHelper.CreateAttribute(assetObjectElement, "ID", s);

                    //then we actually create the shared object if it has not already been created
                    if (!checksums.Contains(s))
                    {
                        checksums.Add(s);

                        XElement sharedObjectElement = XHelper.CreateElement(sharedElement, ns.Name, s);

                        if (!Serializer.HasSerializer(type, preferBinarySerialization))
                        {
                            if (value != null)
                            {
                                GetMembers(value, sharedObjectElement);
                            }
                            else
                            {
                                CreateValue(sharedObjectElement, type, value, false);
                            }
                        }
                        else
                        {
                            CreateValue(sharedObjectElement, type, value, preferBinarySerialization);
                        }
                    }
                }
                else
                {
                    //if this class has a serializer, use it, otherwise we recurse through the objects members and serialize the items individually
                    if (!Serializer.HasSerializer(type, preferBinarySerialization))
                    {
                        if (value != null)
                        {
                            GetMembers(value, XHelper.CreateElement(e, ns.Name, name));
                        }
                        else
                        {
                            CreateValue(XHelper.CreateElement(e, ns.Name, name), type, value, false);
                        }
                    }
                    else
                    {
                        CreateValue(XHelper.CreateElement(e, ns.Name, name), type, value, preferBinarySerialization);
                    }
                }
            }
            break;

            case Object_Type.Primitive:
            {
                //any types that are Object_Type.Primitive have a built in serializer. so we know they can always be serialized
                CreateValue(XHelper.CreateElement(e, ns.Name, name), type, value, preferBinarySerialization);
            }
            break;

            case Object_Type.Enum:
            {
                //any types that are Object_Type.Enum use the built in IntSerializer. so we know they can always be serialized
                CreateValue(XHelper.CreateElement(e, ns.Name, name), ns.Type, value, preferBinarySerialization);
            }
            break;

            case Object_Type.List:
            case Object_Type.Dictionary:
            case Object_Type.Array:
            {
                //for collections. we need to iterate through the items and serialize each one
                //but we need to set this up recursively, in case the items in a collection are themselves collections
                if (value != null)
                {
                    if (!Serializer.HasSerializer(type, preferBinarySerialization))
                    {
                        SerializeCollection(objectToSerialize, e, name, type, value, preferBinarySerialization);
                    }
                    else
                    {
                        CreateValue(XHelper.CreateElement(e, ns.Name, name), type, value, preferBinarySerialization);
                    }
                }
                else
                {
                    CreateValue(XHelper.CreateElement(e, ns.Name, name), type, value, preferBinarySerialization);
                }
            }
            break;

            default:
                CreateValue(XHelper.CreateElement(e, ns.Name, name), type, null, preferBinarySerialization);     //if we can't determine the object type, just serialize it as null
                break;
            }
        }
コード例 #5
0
        private object DeserializeCollection(Ns ns, XElement e, bool isBinarySerialized)
        {
            //todo: handle null values for dictrionary and array the same way they are handled for list
            DeserializeCollectionCallback callback = new DeserializeCollectionCallback(DeserializeListCallback);

            switch (ns.ObjectType)
            {
            case Object_Type.List:
            {
                XElement valuesElement = e.Element("Values");
                if (valuesElement == null)
                {
                    XAttribute valueAttribute = e.Attribute("Value");

                    if (valueAttribute != null)
                    {
                        if (valueAttribute.Value.ToLower() == "null")
                        {
                            return(null);
                        }
                        else
                        {
                            throw new Exception("Malformed document");
                        }
                    }
                    else
                    {
                        //no values element to define values for the collection and no value element for a serialzier or null value. bad
                        throw new Exception("Collection Values element missing, Malformed document");
                    }
                }
                else
                {
                    List <XElement> values = valuesElement.Elements().ToList();
                    IList           il     = Activator.CreateInstance(ns.Type) as IList;

                    foreach (XElement item in values)
                    {
                        il.Add(callback(item, isBinarySerialized));
                    }

                    return(il);
                }
            }

            case Object_Type.Dictionary:
            {
                List <XElement> keys   = e.Element("Keys").Elements().ToList();
                List <XElement> values = e.Element("Values").Elements().ToList();
                IDictionary     id     = Activator.CreateInstance(ns.Type) as IDictionary;

                if (keys.Count != values.Count)
                {
                    throw new Exception("Dictionary.Keys.Count != Dictionary.Values.Count, Malformed document");
                }

                for (int i = 0; i < keys.Count; i++)
                {
                    object key   = callback(keys[i], isBinarySerialized);
                    object value = callback(values[i], isBinarySerialized);

                    id.Add(key, value);
                }

                return(id);
            }

            case Object_Type.Array:
            {
                int dimensions = ns.Type.GetArrayRank();

                string[] dimensionLengthStrings = e.Attribute("Dimensions").Value.Split(new char[] { ';' });
                int[]    dimensionLengths       = new int[dimensionLengthStrings.Length];

                for (int i = 0; i < dimensions; i++)
                {
                    dimensionLengths[i] = int.Parse(dimensionLengthStrings[i]);
                }

                Type            itemType = ns.Type.GetElementType();
                List <XElement> values   = e.Element("Values").Elements().ToList();
                Array           a        = Array.CreateInstance(itemType, dimensionLengths);

                for (int i = 0; i < a.Length; i++)
                {
                    a.SetValue(callback(values[i], isBinarySerialized), Helpers.GetArrayIndices(dimensions, dimensionLengths, i));
                }

                return(a);
            }
            }

            return(null);
        }
コード例 #6
0
        protected object SetMember(XElement e, bool isBinarySerialized)
        {
            Ns          ns = deserializeNamespaceLookup[e.GetPrefixOfNamespace(e.Name.Namespace)];
            Object_Type ot = ns.ObjectType;

            switch (ot)
            {
            case Object_Type.Struct:
            case Object_Type.Class:
            {
                bool isShared = Attribute.IsDefined(ns.Type, typeof(SerializeAsSharedObject), true);

                if (isShared)
                {
                    string val = e.Attribute("ID").Value;

                    if (val == "null")
                    {
                        return(null);
                    }
                    else
                    {
                        return(sharedObjects[val]);
                    }
                }

                if (!Serializer.HasSerializer(ns.Type, isBinarySerialized))
                {
                    //In this case the serialized object had a value of null, so we just return null
                    if (e.Attribute("Value") != null && e.Attribute("Value").Value == "null")
                    {
                        return(null);
                    }
                    else
                    {
                        object instance = Activator.CreateInstance(ns.Type);
                        SetMembers(instance, e);
                        return(instance);
                    }
                }
                else
                {
                    if (isBinarySerialized)
                    {
                        XCData cdataNode = e.FirstNode as XCData;
                        int    length    = int.Parse(e.Attribute("Length").Value);
                        byte[] bytes     = Convert.FromBase64String(cdataNode.Value);

                        return(Serializer.BinaryDeserialize(ns.Type, new BinarySerializerData(bytes, length)));
                    }
                    else
                    {
                        if (e.Attribute("Value") == null)
                        {
                            Log.Instance.Write(Log_Severity.Warning, "{0} does not appear to be using the built in serializer. Save to update file output", ns.Type.Name);
                            object instance = Activator.CreateInstance(ns.Type);
                            SetMembers(instance, e);
                            return(instance);
                        }

                        return(Serializer.Deserialize(ns.Type, e.Attribute("Value").Value));
                    }
                }
            }

            case Object_Type.Primitive:
            {
                return(Serializer.Deserialize(ns.Type, e.Attribute("Value").Value));
            }

            case Object_Type.Enum:
            {
                return(Enum.ToObject(ns.Type, Serializer.Deserialize(typeof(int), e.Attribute("Value").Value)));
            }

            case Object_Type.List:
            case Object_Type.Dictionary:
            case Object_Type.Array:
            {
                if (Serializer.HasSerializer(ns.Type, isBinarySerialized))
                {
                    if (isBinarySerialized)
                    {
                        XCData cdataNode = e.FirstNode as XCData;
                        int    length    = int.Parse(e.Attribute("Length").Value);
                        byte[] bytes     = Convert.FromBase64String(cdataNode.Value);

                        return(Serializer.BinaryDeserialize(ns.Type, new BinarySerializerData(bytes, length)));
                    }
                    else
                    {
                        return(Serializer.Deserialize(ns.Type, e.Attribute("Value").Value));
                    }
                }
                else
                {
                    return(DeserializeCollection(ns, e, isBinarySerialized));
                }
            }

            default:
                return(null);
            }
        }