private static void ProcessItem(XmlNode node, List <FeedItem> items, DateTime dateContext, bool atom, RssChannelPriority priority)
{
XmlDocumentEx xmlDocument = (XmlDocumentEx)node.OwnerDocument;
// Get the item title
string itemTitle = null;
if (atom)
{
itemTitle = node.SelectSingleNode("dfltns:title", xmlDocument.NamespaceManager).InnerText;
}
else
{
itemTitle = node.SelectSingleNode("title").InnerText;
}
// Get the item description
string itemDescription = null;
if (atom)
{
try
{
itemDescription = node.SelectSingleNode("dfltns:content[@type=\"html\"]", xmlDocument.NamespaceManager).InnerText;
}
catch { }
if (itemDescription == null)
{
try
{
itemDescription = node.SelectSingleNode("dfltns:subtitle", xmlDocument.NamespaceManager).InnerText;
}
catch { }
}
}
else
{
if (xmlDocument.NamespaceManager.HasNamespace("content"))
{
try
{
itemDescription = node.SelectSingleNode(".//content:encoded", xmlDocument.NamespaceManager).InnerText;
}
catch { }
}
if (itemDescription == null)
{
try
{
itemDescription = node.SelectSingleNode(".//description").InnerText;
}
catch { }
}
}
// Get the item published date (if there is one)
DateTime pubDate = dateContext;
try
{
string pubDateString;
if (atom)
{
pubDateString = node.SelectSingleNode("dfltns:published", xmlDocument.NamespaceManager).InnerText;
}
else
{
pubDateString = node.SelectSingleNode("pubDate").InnerText;
}
if (!String.IsNullOrEmpty(pubDateString))
{
pubDate = Convert.ToDateTime(pubDateString);
}
}
catch { }
// Get the image width, height of the item
XmlNodeList contentNodes = null;
XmlNode content = null;
string imageUrl = null;
int width = -1, height = -1;
if (atom)
{
content = node.SelectSingleNode(".//dfltns:link[@rel=\"enclosure\"][@type=\"image/jpeg\"]", xmlDocument.NamespaceManager);
if (content != null)
{
imageUrl = content.Attributes["href"].Value;
}
}
else
{
// See if there is a media tag
if (xmlDocument.NamespaceManager.HasNamespace("media"))
{
contentNodes = node.SelectNodes(".//media:content[@type=\"image/jpeg\"]", xmlDocument.NamespaceManager);
}
// Try the enclosure variant
if (contentNodes == null)
{
contentNodes = node.SelectNodes(".//enclosure[@type=\"image/jpeg\"]", xmlDocument.NamespaceManager);
}
if (contentNodes != null)
{
int maxFileSize = -1;
foreach (XmlNode contentNode in contentNodes)
{
int fileSize = 0;
try
{
fileSize = Convert.ToInt32(contentNode.Attributes["fileSize"].Value);
}
catch { }
if (fileSize > maxFileSize)
{
content = contentNode;
}
}
imageUrl = content.Attributes["url"].Value;
if (!String.IsNullOrEmpty(imageUrl))
{
try
{
string widthString = content.Attributes["width"].Value;
if (!String.IsNullOrEmpty(widthString))
{
width = Convert.ToInt32(widthString);
}
}
catch { }
try
{
string heightString = content.Attributes["height"].Value;
if (!String.IsNullOrEmpty(heightString))
{
height = Convert.ToInt32(heightString);
}
}
catch { }
}
}
}
// Only save the data we need based on the priority
if (priority == RssChannelPriority.Image && imageUrl != null)
{
itemTitle = null;
itemDescription = null;
}
else if (priority == RssChannelPriority.Text && itemDescription != null)
{
imageUrl = null;
width = -1;
height = -1;
}
FeedItem feedItem = new FeedItem();
feedItem.title = itemTitle;
feedItem.description = itemDescription;
feedItem.pubDate = pubDate;
feedItem.imageUrl = imageUrl;
feedItem.imageWidth = width;
feedItem.imageHeight = height;
items.Add(feedItem);
}