/// <summary>
        /// 添加字段
        /// </summary>
        /// <param name="field">字段信息</param>
        /// <param name="attribute">XML序列化成员配置</param>
        public void Push(FieldIndex field, MemberAttribute attribute)
        {
            Label end = generator.DefineLabel();

            generator.memberMapIsMember(OpCodes.Ldarg_0, field.MemberIndex);
            generator.Emit(OpCodes.Brfalse, end);

            MethodInfo isOutputMethod = SerializeMethodCache.GetIsOutputMethod(field.Member.FieldType);

            if (isOutputMethod != null)
            {
                generator.Emit(OpCodes.Ldarg_1);
                if (isValueType)
                {
                    generator.Emit(OpCodes.Ldarga_S, 2);
                }
                else
                {
                    generator.Emit(OpCodes.Ldarg_2);
                }
                generator.Emit(OpCodes.Ldfld, field.Member);
                generator.call(isOutputMethod);
                generator.Emit(OpCodes.Brfalse, end);
            }
            string name = field.AnonymousName;

            SerializeMemberDynamicMethod.WriteName(generator, OpCodes.Ldloc_0, name, false);

            if (attribute != null && attribute.ItemName != null)
            {
                generator.Emit(OpCodes.Ldarg_1);
                generator.Emit(OpCodes.Ldstr, attribute.ItemName);
                generator.Emit(OpCodes.Stfld, SerializeMemberDynamicMethod.ItemNameField);
            }
            bool       isCustom = false;
            MethodInfo method   = SerializeMethodCache.GetMemberMethodInfo(field.Member.FieldType, ref isCustom);

            if (isCustom)
            {
                if (isValueType)
                {
                    generator.Emit(OpCodes.Ldarga_S, 2);
                }
                else
                {
                    generator.Emit(OpCodes.Ldarg_2);
                }
                generator.Emit(OpCodes.Ldflda, field.Member);
                generator.Emit(OpCodes.Ldarg_1);
            }
            else
            {
                generator.Emit(OpCodes.Ldarg_1);
                if (isValueType)
                {
                    generator.Emit(OpCodes.Ldarga_S, 2);
                }
                else
                {
                    generator.Emit(OpCodes.Ldarg_2);
                }
                generator.Emit(OpCodes.Ldfld, field.Member);
            }
            generator.call(method);

            SerializeMemberDynamicMethod.WriteName(generator, OpCodes.Ldloc_0, name, true);

            generator.MarkLabel(end);
        }
Esempio n. 2
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        static TypeSerializer()
        {
            Type       type       = typeof(valueType);
            MethodInfo methodInfo = XmlSerializer.GetSerializeMethod(type);

            if (methodInfo != null)
            {
                defaultSerializer = (Action <XmlSerializer, valueType>)Delegate.CreateDelegate(typeof(Action <XmlSerializer, valueType>), methodInfo);
                isValueType       = true;
                return;
            }
            if (type.IsArray)
            {
                if (type.GetArrayRank() == 1)
                {
                    defaultSerializer = (Action <XmlSerializer, valueType>)SerializeMethodCache.GetArray(type.GetElementType());
                }
                else
                {
                    defaultSerializer = ignore;
                }
                isValueType = true;
                return;
            }
            if (type.IsEnum)
            {
                defaultSerializer = enumToString;
                isValueType       = true;
                return;
            }
            if (type.IsInterface || type.IsPointer || typeof(Delegate).IsAssignableFrom(type))
            {
                defaultSerializer = ignore;
                isValueType       = true;
                return;
            }
            if (type.IsGenericType)
            {
                Type genericType = type.GetGenericTypeDefinition();
                if (genericType == typeof(Nullable <>))
                {
                    defaultSerializer = (Action <XmlSerializer, valueType>)StructGenericType.Get(type.GetGenericArguments()[0]).XmlSerializeNullableMethod;
                    isValueType       = true;
                    return;
                }
            }
            if ((methodInfo = SerializeMethodCache.GetCustom(type)) != null)
            {
                if (type.IsValueType)
                {
#if NOJIT
                    defaultSerializer = new CustomSerializer(methodInfo).Serialize;
#else
                    DynamicMethod dynamicMethod = new DynamicMethod("CustomXmlSerializer", null, new Type[] { typeof(XmlSerializer), type }, type, true);
                    ILGenerator   generator     = dynamicMethod.GetILGenerator();
                    generator.Emit(OpCodes.Ldarga_S, 1);
                    generator.Emit(OpCodes.Ldarg_0);
                    generator.call(methodInfo);
                    generator.Emit(OpCodes.Ret);
                    defaultSerializer = (Action <XmlSerializer, valueType>)dynamicMethod.CreateDelegate(typeof(Action <XmlSerializer, valueType>));
#endif
                }
                else
                {
                    defaultSerializer = (Action <XmlSerializer, valueType>)Delegate.CreateDelegate(typeof(Action <XmlSerializer, valueType>), methodInfo);
                }
                isValueType = true;
            }
            else
            {
                Delegate enumerableDelegate = SerializeMethodCache.GetIEnumerable(type);
                if (enumerableDelegate != null)
                {
                    defaultSerializer = (Action <XmlSerializer, valueType>)enumerableDelegate;
                    isValueType       = true;
                }
                else
                {
                    Type attributeType;
                    attribute = type.customAttribute <XmlSerializeAttribute>(out attributeType) ?? (type.Name[0] == '<' ? XmlSerializeAttribute.AnonymousTypeMember : XmlSerializer.DefaultAttribute);
                    if (type.IsValueType)
                    {
                        isValueType = true;
                    }
                    else if (attribute != XmlSerializer.DefaultAttribute && attributeType != type)
                    {
                        for (Type baseType = type.BaseType; baseType != typeof(object); baseType = baseType.BaseType)
                        {
                            XmlSerializeAttribute baseAttribute = baseType.customAttribute <XmlSerializeAttribute>();
                            if (baseAttribute != null)
                            {
                                if (baseAttribute.IsBaseType)
                                {
                                    methodInfo        = SerializeMethodCache.BaseSerializeMethod.MakeGenericMethod(baseType, type);
                                    defaultSerializer = (Action <XmlSerializer, valueType>)Delegate.CreateDelegate(typeof(Action <XmlSerializer, valueType>), methodInfo);
                                    return;
                                }
                                break;
                            }
                        }
                    }
                    LeftArray <KeyValue <FieldIndex, XmlSerializeMemberAttribute> > fields = SerializeMethodCache.GetFields(MemberIndexGroup <valueType> .GetFields(attribute.MemberFilters), attribute);
                    LeftArray <PropertyMethod> properties = SerializeMethodCache.GetProperties(MemberIndexGroup <valueType> .GetProperties(attribute.MemberFilters), attribute);
                    bool isBox = false;
                    if (type.IsValueType && fields.Length + properties.Length == 1)
                    {
                        BoxSerializeAttribute boxSerialize = AutoCSer.Metadata.TypeAttribute.GetAttribute <BoxSerializeAttribute>(type);
                        if (boxSerialize != null && boxSerialize.IsXml)
                        {
                            isBox = true;
                        }
                    }
#if NOJIT
                    if (isBox)
                    {
                        defaultSerializer = memberSerializer = new FieldPropertySerializer(ref fields, ref properties).SerializeBox;
                    }
                    else
                    {
                        memberSerializer    = new FieldPropertySerializer(ref fields, ref properties).Serialize;
                        memberMapSerializer = new MemberMapSerializer(ref fields, ref properties).Serialize;
                    }
#else
                    SerializeMemberDynamicMethod    dynamicMethod          = new SerializeMemberDynamicMethod(type);
                    SerializeMemberMapDynamicMethod memberMapDynamicMethod = isBox ? default(SerializeMemberMapDynamicMethod) : new SerializeMemberMapDynamicMethod(type);
                    foreach (KeyValue <FieldIndex, XmlSerializeMemberAttribute> member in fields)
                    {
                        if (isBox)
                        {
                            dynamicMethod.PushBox(member.Key);
                        }
                        else
                        {
                            dynamicMethod.Push(member.Key, member.Value);
                            memberMapDynamicMethod.Push(member.Key, member.Value);
                        }
                    }
                    foreach (PropertyMethod member in properties)
                    {
                        if (isBox)
                        {
                            dynamicMethod.PushBox(member.Property, member.Method);
                        }
                        else
                        {
                            dynamicMethod.Push(member.Property, member.Method, member.Attribute);
                            memberMapDynamicMethod.Push(member.Property, member.Method, member.Attribute);
                        }
                    }
                    memberSerializer = (Action <XmlSerializer, valueType>)dynamicMethod.Create <Action <XmlSerializer, valueType> >();
                    if (isBox)
                    {
                        defaultSerializer = memberSerializer;
                    }
                    else
                    {
                        memberMapSerializer = (Action <MemberMap, XmlSerializer, valueType>)memberMapDynamicMethod.Create <Action <MemberMap, XmlSerializer, valueType> >();
                    }
#endif
                }
            }
        }
        /// <summary>
        /// 添加属性
        /// </summary>
        /// <param name="property">属性信息</param>
        /// <param name="propertyMethod">函数信息</param>
        /// <param name="attribute">XML序列化成员配置</param>
        public void Push(PropertyIndex property, MethodInfo propertyMethod, MemberAttribute attribute)
        {
            Label end = generator.DefineLabel();

            generator.memberMapIsMember(OpCodes.Ldarg_0, property.MemberIndex);
            generator.Emit(OpCodes.Brfalse, end);

            MethodInfo isOutputMethod = SerializeMethodCache.GetIsOutputMethod(property.Member.PropertyType);

            if (isOutputMethod != null)
            {
                generator.Emit(OpCodes.Ldarg_1);
                if (isValueType)
                {
                    generator.Emit(OpCodes.Ldarga_S, 2);
                }
                else
                {
                    generator.Emit(OpCodes.Ldarg_2);
                }
                generator.call(propertyMethod);
                generator.call(isOutputMethod);
                generator.Emit(OpCodes.Brfalse, end);
            }
            SerializeMemberDynamicMethod.WriteName(generator, OpCodes.Ldloc_0, property.Member.Name, false);

            if (attribute != null && attribute.ItemName != null)
            {
                generator.Emit(OpCodes.Ldarg_1);
                generator.Emit(OpCodes.Ldstr, attribute.ItemName);
                generator.Emit(OpCodes.Stfld, SerializeMemberDynamicMethod.ItemNameField);
            }
            bool       isCustom = false;
            MethodInfo method   = SerializeMethodCache.GetMemberMethodInfo(property.Member.PropertyType, ref isCustom);

            if (isCustom)
            {
                LocalBuilder loadMember = generator.DeclareLocal(property.Member.PropertyType);
                if (isValueType)
                {
                    generator.Emit(OpCodes.Ldarga_S, 2);
                }
                else
                {
                    generator.Emit(OpCodes.Ldarg_2);
                }
                generator.call(propertyMethod);
                generator.Emit(OpCodes.Stloc_0);
                generator.Emit(OpCodes.Ldloca_S, loadMember);
                generator.Emit(OpCodes.Ldarg_1);
            }
            else
            {
                generator.Emit(OpCodes.Ldarg_1);
                if (isValueType)
                {
                    generator.Emit(OpCodes.Ldarga_S, 2);
                }
                else
                {
                    generator.Emit(OpCodes.Ldarg_2);
                }
                generator.call(propertyMethod);
            }
            generator.call(method);

            SerializeMemberDynamicMethod.WriteName(generator, OpCodes.Ldloc_0, property.Member.Name, true);

            generator.MarkLabel(end);
        }