protected override Expression VisitMember(MemberExpression node) { if (node.NodeType == ExpressionType.Constant) { return(base.VisitMember(node)); } string sourcePath; var parameterExpression = node.GetParameterExpression(); if (parameterExpression == null) { return(base.VisitMember(node)); } InfoDictionary.Add(parameterExpression, TypeMappings); var sType = parameterExpression.Type; if (InfoDictionary.ContainsKey(parameterExpression) && node.IsMemberExpression()) { sourcePath = node.GetPropertyFullName(); } else { return(base.VisitMember(node)); } var propertyMapInfoList = new List <PropertyMapInfo>(); FindDestinationFullName(sType, InfoDictionary[parameterExpression].DestType, sourcePath, propertyMapInfoList); string fullName; if (propertyMapInfoList.Any(x => x.CustomExpression != null)) { var last = propertyMapInfoList.Last(x => x.CustomExpression != null); var beforeCustExpression = propertyMapInfoList.Aggregate(new List <PropertyMapInfo>(), (list, next) => { if (propertyMapInfoList.IndexOf(next) < propertyMapInfoList.IndexOf(last)) { list.Add(next); } return(list); }); var afterCustExpression = propertyMapInfoList.Aggregate(new List <PropertyMapInfo>(), (list, next) => { if (propertyMapInfoList.IndexOf(next) > propertyMapInfoList.IndexOf(last)) { list.Add(next); } return(list); }); fullName = BuildFullName(beforeCustExpression); var visitor = new PrependParentNameVisitor(last.CustomExpression.Parameters[0].Type /*Parent type of current property*/, fullName, InfoDictionary[parameterExpression].NewParameter); var ex = propertyMapInfoList[propertyMapInfoList.Count - 1] != last ? visitor.Visit(last.CustomExpression.Body.AddExpressions(afterCustExpression)) : visitor.Visit(last.CustomExpression.Body); return(ex); } fullName = BuildFullName(propertyMapInfoList); var me = InfoDictionary[parameterExpression].NewParameter.BuildExpression(fullName); return(me); }
protected override Expression VisitMember(MemberExpression node) { string sourcePath; var parameterExpression = node.GetParameterExpression(); if (parameterExpression == null) { return(base.VisitMember(node)); } InfoDictionary.Add(parameterExpression, TypeMappings); var sType = parameterExpression.Type; if (sType != null && InfoDictionary.ContainsKey(parameterExpression) && node.IsMemberExpression()) { sourcePath = node.GetPropertyFullName(); } else { return(base.VisitMember(node)); } var propertyMapInfoList = new List <PropertyMapInfo>(); FindDestinationFullName(sType, InfoDictionary[parameterExpression].DestType, sourcePath, propertyMapInfoList); string fullName; if (propertyMapInfoList.Any(x => x.CustomExpression != null))//CustomExpression takes precedence over DestinationPropertyInfo { var last = propertyMapInfoList.Last(x => x.CustomExpression != null); var beforeCustExpression = propertyMapInfoList.Aggregate(new List <PropertyMapInfo>(), (list, next) => { if (propertyMapInfoList.IndexOf(next) < propertyMapInfoList.IndexOf(last)) { list.Add(next); } return(list); }); var afterCustExpression = propertyMapInfoList.Aggregate(new List <PropertyMapInfo>(), (list, next) => { if (propertyMapInfoList.IndexOf(next) > propertyMapInfoList.IndexOf(last)) { list.Add(next); } return(list); }); fullName = BuildFullName(beforeCustExpression); var visitor = new PrependParentNameVisitor(last.CustomExpression.Parameters[0].Type /*Parent type of current property*/, fullName, InfoDictionary[parameterExpression].NewParameter); var ex = propertyMapInfoList[propertyMapInfoList.Count - 1] != last ? visitor.Visit(last.CustomExpression.Body.MemberAccesses(afterCustExpression)) : visitor.Visit(last.CustomExpression.Body); var v = new FindMemberExpressionsVisitor(InfoDictionary[parameterExpression].NewParameter); v.Visit(ex); return(v.Result); } fullName = BuildFullName(propertyMapInfoList); var me = ExpressionFactory.MemberAccesses(fullName, InfoDictionary[parameterExpression].NewParameter); if (me.Expression.NodeType == ExpressionType.MemberAccess && (me.Type == typeof(string) || me.Type.GetTypeInfo().IsValueType || (me.Type.GetTypeInfo().IsGenericType && me.Type.GetGenericTypeDefinition() == typeof(Nullable <>) && Nullable.GetUnderlyingType(me.Type).GetTypeInfo().IsValueType))) { return(me.Expression); } return(me); }