public void CombineWithOtherCustomMappings(CustomMapping root, IEnumerable <CustomMapping> mappings)
{
lock (root)
{
foreach (var otherMapping in mappings)
{
foreach (var m in otherMapping.Members)
{
if (!root.Members.Contains(m))
{
var oldParams = otherMapping.ArgumentParameters.Select(p => p.Parameter).ToList();
var newParams = root.ArgumentParameters.Select(p => p.Parameter).ToList();
oldParams.Add(otherMapping.SourceParameter);
newParams.Add(root.SourceParameter);
var visitor = new ParameterVisitor(oldParams, newParams);
var member = new MemberExpressionTuple
{
Expression = visitor.Visit(m.Expression),
Member = m.Member
};
root.Members.Add(member);
}
}
}
}
}
private static CustomMapping GetCustomMappingFromNewExpression(Type destinationType, NewExpression expression)
{
var newMapping = new CustomMapping();
newMapping.DestinationType = destinationType;
for (var i = 0; i < expression.Arguments.Count; i++)
{
var member = expression.Members[i];
var argument = expression.Arguments[i];
var memberOnDestination = destinationType.GetMember(member.Name).FirstOrDefault();
if (memberOnDestination == null)
{
throw new ArgumentException(string.Format("Member {0} does not exist on type {1}", member.Name, destinationType.Name));
}
var memberExpression = new MemberExpressionTuple();
memberExpression.Member = memberOnDestination;
if (argument is NewExpression)
{
var cm = GetCustomMappingFromNewExpression(memberExpression.Member.PropertyOrFieldType, (NewExpression)argument);
if (cm != null)
{
newMapping.CustomMappings.Add(cm);
}
}
else
{
memberExpression.Expression = argument;
}
newMapping.Members.Add(memberExpression);
}
return(newMapping);
}
private static CustomMapping GetCustomMappingFromMemberInitExpression(Type destinationType, MemberInitExpression expression)
{
var newMapping = new CustomMapping();
newMapping.DestinationType = destinationType;
foreach (MemberAssignment assignment in expression.Bindings)
{
var member = assignment.Member;
var argument = assignment.Expression;
var memberOnDestination = destinationType.GetMember(member.Name).FirstOrDefault();
if (memberOnDestination == null)
{
throw new ArgumentException(string.Format("Member {0} does not exist on type {1}", member.Name, destinationType.Name));
}
var memberExpression = new MemberExpressionTuple();
memberExpression.Member = memberOnDestination;
var argAsNewExpression = argument as NewExpression;
if (argAsNewExpression != null && argAsNewExpression.Members != null)
{
newMapping.CustomMappings.Add(GetCustomMappingFromNewExpression(memberExpression.Member.PropertyOrFieldType, (NewExpression)argument));
}
else
{
memberExpression.Expression = argument;
}
newMapping.Members.Add(memberExpression);
}
return(newMapping);
}
private static CustomMapping GetCustomMappingFromNewExpression(Type destinationType, NewExpression expression)
{
var newMapping = new CustomMapping();
newMapping.DestinationType = destinationType;
for (var i = 0; i < expression.Arguments.Count; i++)
{
var member = expression.Members[i];
var argument = expression.Arguments[i];
var memberOnDestination = destinationType.GetMember(member.Name).FirstOrDefault();
if (memberOnDestination == null)
{
throw new ArgumentException(string.Format("Member {0} does not exist on type {1}", member.Name, destinationType.Name));
}
var memberExpression = new MemberExpressionTuple();
memberExpression.Member = memberOnDestination;
if (argument is NewExpression)
{
newMapping.CustomMappings.Add(GetCustomMappingFromNewExpression(memberExpression.Member.PropertyOrFieldType, (NewExpression)argument));
}
else
{
memberExpression.Expression = argument;
}
newMapping.Members.Add(memberExpression);
}
return newMapping;
}