public void FieldByRegistration()
{
var type = typeof(Test9_class);
Assert.False(CloneCmdConfig <Test9_class> .CanShallowClone(x => x.FieldOne));
CloneCmdConfig <Test9_class> .ShallowClone(x => x.FieldOne);
Assert.True(CloneCmdConfig <Test9_class> .CanShallowClone(x => x.FieldOne));
}
public void PropertyByRegistration()
{
var type = typeof(Test10_class);
Assert.False(CloneCmdConfig <Test10_class> .CanShallowClone(x => x.PropOne));
CloneCmdConfig <Test10_class> .ShallowClone(x => x.PropOne);
Assert.True(CloneCmdConfig <Test10_class> .CanShallowClone(x => x.PropOne));
}
public static BlockExpression GetMemberAssignments <T>(
ParameterExpression source,
ParameterExpression target,
ParameterExpression context)
{
List <Expression> expressions = new List <Expression>();
foreach (var field in CloneCmdConfig <T> .GetFields())
{
var memberType = field.Type;
var memberInfo = field.FieldInfo;
var cloneExpression = field.CanShallowClone()
? Expression.MakeMemberAccess(source, memberInfo)
: (Expression)GetSafeClone(memberType, Expression.MakeMemberAccess(source, memberInfo),
context);
expressions.Add(Expression.Assign(
Expression.MakeMemberAccess(target, memberInfo),
cloneExpression));
}
foreach (var prop in CloneCmdConfig <T> .GetProperties())
{
var memberType = prop.Type;
var memberInfo = prop.HasBackingField ?
prop.BackingField.FieldInfo :
(MemberInfo)prop.PropertyInfo;
var cloneExpression = prop.CanShallowClone()
? Expression.MakeMemberAccess(source, memberInfo)
: (Expression)GetSafeClone(memberType, Expression.MakeMemberAccess(source, memberInfo), context);
expressions.Add(Expression.Assign(
Expression.MakeMemberAccess(target, memberInfo),
cloneExpression));
}
return(expressions.Count > 0 ?
Expression.Block(expressions) :
null);
}
private static bool CanShallowClonePropHelper <T>(
string propName)
{
return(CloneCmdConfig <T> .CanShallowClone(propName));
}
private static bool CanShallowCloneFieldHelper <T>(
string fieldName)
{
return(CloneCmdConfig <T> .CanShallowClone(fieldName));
}
