static internal Collection <SyndicationPerson> ClonePersons(Collection <SyndicationPerson> persons)
{
if (persons == null)
{
return(null);
}
Collection <SyndicationPerson> result = new NullNotAllowedCollection <SyndicationPerson>();
for (int i = 0; i < persons.Count; ++i)
{
result.Add(persons[i].Clone());
}
return(result);
}
static internal Collection <SyndicationCategory> CloneCategories(Collection <SyndicationCategory> categories)
{
if (categories == null)
{
return(null);
}
Collection <SyndicationCategory> result = new NullNotAllowedCollection <SyndicationCategory>();
for (int i = 0; i < categories.Count; ++i)
{
result.Add(categories[i].Clone());
}
return(result);
}
static internal Collection <SyndicationLink> CloneLinks(Collection <SyndicationLink> links)
{
if (links == null)
{
return(null);
}
Collection <SyndicationLink> result = new NullNotAllowedCollection <SyndicationLink>();
for (int i = 0; i < links.Count; ++i)
{
result.Add(links[i].Clone());
}
return(result);
}
protected SyndicationFeed(SyndicationFeed source, bool cloneItems)
{
if (source == null)
{
throw new ArgumentNullException(nameof(source));
}
_authors = FeedUtils.ClonePersons(source._authors);
_categories = FeedUtils.CloneCategories(source._categories);
_contributors = FeedUtils.ClonePersons(source._contributors);
_copyright = FeedUtils.CloneTextContent(source._copyright);
_description = FeedUtils.CloneTextContent(source._description);
_extensions = source._extensions.Clone();
_generator = source._generator;
_id = source._id;
_imageUrl = source._imageUrl;
_language = source._language;
_lastUpdatedTime = source._lastUpdatedTime;
_links = FeedUtils.CloneLinks(source._links);
_title = FeedUtils.CloneTextContent(source._title);
_baseUri = source._baseUri;
IList <SyndicationItem> srcList = source._items as IList <SyndicationItem>;
if (srcList != null)
{
Collection <SyndicationItem> tmp = new NullNotAllowedCollection <SyndicationItem>();
for (int i = 0; i < srcList.Count; ++i)
{
tmp.Add((cloneItems) ? srcList[i].Clone() : srcList[i]);
}
_items = tmp;
}
else
{
if (cloneItems)
{
throw new InvalidOperationException(SR.UnbufferedItemsCannotBeCloned);
}
_items = source._items;
}
}