/// <summary>
/// Adds filters below the specified xml element.
/// </summary>
/// <param name="root">Filter root element.</param>
private void AddFiltersFromXml(IFilterChain chain, XElement root)
{
if (root == null)
{
return;
}
foreach (var filterElement in root.Elements().Where(element => element.Name.LocalName == XML_ELEMENT_FILTER))
{
var fileFilter = FileFilters.CreateFileFilter(filterElement);
if (fileFilter != null)
{
// Configure filter mode
IInvertibleFileFilter invertibleFileFilter = fileFilter as IInvertibleFileFilter;
if (invertibleFileFilter != null)
{
var modeAttribute = filterElement.Attribute(XML_ATTRIBUTE_MODE);
if (modeAttribute != null)
{
FileFilterMode mode;
if (Enum.TryParse <FileFilterMode>(modeAttribute.Value, true, out mode))
{
invertibleFileFilter.Mode = mode;
}
}
}
// Add sub filters, if the filter is a filter chain.
IFilterChain filterChain = fileFilter as IFilterChain;
if (filterChain != null)
{
AddFiltersFromXml(filterChain, filterElement);
}
chain.Filters.Add(fileFilter);
}
}
}
