protected SyndicationItem(SyndicationItem source)
{
if (source == null)
{
throw new ArgumentNullException(nameof(source));
}
_extensions = source._extensions.Clone();
_authors = FeedUtils.ClonePersons(source._authors);
_categories = FeedUtils.CloneCategories(source._categories);
_content = (source._content != null) ? source._content.Clone() : null;
_contributors = FeedUtils.ClonePersons(source._contributors);
_copyright = FeedUtils.CloneTextContent(source._copyright);
_id = source._id;
_lastUpdatedTime = source._lastUpdatedTime;
_links = FeedUtils.CloneLinks(source._links);
_publishDate = source._publishDate;
if (source.SourceFeed != null)
{
_sourceFeed = source._sourceFeed.Clone(false);
_sourceFeed.Items = new Collection <SyndicationItem>();
}
_summary = FeedUtils.CloneTextContent(source._summary);
_baseUri = source._baseUri;
_title = FeedUtils.CloneTextContent(source._title);
}
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;
}
}