private static IList <MemberInfo> HandleMemberExpressionAndReturnMemberName(MemberExpression memberPropertySelector, PropertySelectionType propertySelectionType, IList <MemberInfo> result = null)
{
if (result == null)
{
result = new List <MemberInfo>();
}
if (memberPropertySelector.Expression is MemberExpression)
{
switch (propertySelectionType)
{
case PropertySelectionType.FirstProperty:
return(HandleMemberExpressionAndReturnMemberName(memberPropertySelector.Expression as MemberExpression, propertySelectionType, result));
case PropertySelectionType.LastProperty:
result.Add(memberPropertySelector.Member);
return(result);
case PropertySelectionType.AllProperties:
HandleMemberExpressionAndReturnMemberName(memberPropertySelector.Expression as MemberExpression, propertySelectionType, result);
result.Add(memberPropertySelector.Member);
return(result);
default:
throw new NotImplementedException(propertySelectionType.ToString());
}
}
else
{
result.Add(memberPropertySelector.Member);
return(result);
}
}
public static IList <MemberInfo> PropertyFunctionToPropertyInfo <TSource, TProperty>(Expression <Func <TSource, TProperty> > propertySelector, PropertySelectionType propertySelectionType = PropertySelectionType.FirstProperty)
{
if (propertySelector.Body is MemberExpression)
{
return(HandleMemberExpressionAndReturnMemberName(propertySelector.Body as MemberExpression, propertySelectionType));
}
else if (propertySelector.Body is UnaryExpression && (propertySelector.Body as UnaryExpression).Operand is MemberExpression)
{
return(HandleMemberExpressionAndReturnMemberName((propertySelector.Body as UnaryExpression).Operand as MemberExpression, propertySelectionType));
}
else
{
throw new NotImplementedException();
}
}
public static IList <MemberInfo> PropertyFunctionToPropertyInfo <T>(Expression <Func <T, object> > propertySelector, PropertySelectionType propertySelectionType = PropertySelectionType.FirstProperty)
{
return(PropertyFunctionToPropertyInfo <T, object>(propertySelector, propertySelectionType));
}
public static string PropertyFunctionToPropertyName <TSource, TProperty>(Expression <Func <TSource, TProperty> > propertySelector, PropertySelectionType propertySelectionType = PropertySelectionType.FirstProperty)
{
return(PropertyFunctionToPropertyInfo <TSource, TProperty>(propertySelector, propertySelectionType).ToSeparatedString(p => p.Name, separator: " "));
}
public static string PropertyFunctionToPropertyName <T>(Expression <Func <T, object> > propertySelector, PropertySelectionType propertySelectionType = PropertySelectionType.FirstProperty)
{
return(PropertyFunctionToPropertyName <T, object>(propertySelector, propertySelectionType));
}
