public override int Read()
{
// Read each character, skipping over characters that XML has prohibited
int nextCharacter;
do
{
// Read a character
if ((nextCharacter = base.Read()) == EOF)
{
// If the character denotes the end of the file, stop reading
break;
}
}
// Skip the character if it's prohibited, and try the next
while (!XmlSanitizingStream.IsLegalXmlChar(nextCharacter));
return(nextCharacter);
}
public override int Peek()
{
// Return the next legl XML character without reading it
int nextCharacter;
do
{
// See what the next character is
nextCharacter = base.Peek();
}while
(
// If it's prohibited XML, skip over the character in the stream
// and try the next.
!XmlSanitizingStream.IsLegalXmlChar(nextCharacter) &&
(nextCharacter = base.Read()) != EOF
);
return(nextCharacter);
} // method
SyndicationFeed LoadRSS10(string url)
{
HttpWebRequest webReq = WebRequest.Create(url) as HttpWebRequest;
webReq.Timeout = ( int )TimeSpan.FromSeconds(5).TotalMilliseconds;
webReq.ReadWriteTimeout = (int)TimeSpan.FromSeconds(5).TotalMilliseconds;
using (var resp = webReq.GetResponse())
using (var reader = new XmlSanitizingStream(resp.GetResponseStream()))
using (var xmlReader = XmlReader.Create(reader))
{
XmlDocument doc = new XmlDocument();
doc.Load(xmlReader);
List <SyndicationItem> feedItems = new List <SyndicationItem>();
SyndicationFeed feed = new SyndicationFeed();
feed.Items = feedItems;
XmlNamespaceManager nsManager = new XmlNamespaceManager(doc.NameTable);
nsManager.AddNamespace("rss", "http://purl.org/rss/1.0/");
feed.Title = new TextSyndicationContent(doc.SelectSingleNode("//rss:channel/rss:title/text()", nsManager).Value);
foreach (XmlNode node in doc.SelectNodes("//rss:item", nsManager))
{
var item = new SyndicationItem();
item.Title = new TextSyndicationContent(node.SelectSingleNode("./rss:title/text()", nsManager).Value);
item.PublishDate = DateTimeOffset.Parse(node.SelectSingleNode("./rss:pubDate/text()", nsManager).Value);
item.Links.Add(new SyndicationLink(new Uri(node.SelectSingleNode("./rss:link/text()", nsManager).Value)));
feedItems.Add(item);
}
return(feed);
}
}
SyndicationFeed LoadRSS10( string url )
{
HttpWebRequest webReq = WebRequest.Create( url ) as HttpWebRequest;
webReq.Timeout = ( int )TimeSpan.FromSeconds( 5 ).TotalMilliseconds;
webReq.ReadWriteTimeout = (int)TimeSpan.FromSeconds( 5 ).TotalMilliseconds;
using ( var resp = webReq.GetResponse() )
using ( var reader = new XmlSanitizingStream( resp.GetResponseStream() ) )
using ( var xmlReader = XmlReader.Create( reader ) )
{
XmlDocument doc = new XmlDocument();
doc.Load( xmlReader );
List<SyndicationItem> feedItems = new List<SyndicationItem>();
SyndicationFeed feed = new SyndicationFeed();
feed.Items = feedItems;
XmlNamespaceManager nsManager = new XmlNamespaceManager( doc.NameTable );
nsManager.AddNamespace( "rss", "http://purl.org/rss/1.0/" );
feed.Title = new TextSyndicationContent( doc.SelectSingleNode( "//rss:channel/rss:title/text()", nsManager ).Value );
foreach ( XmlNode node in doc.SelectNodes( "//rss:item", nsManager ) )
{
var item = new SyndicationItem();
item.Title = new TextSyndicationContent( node.SelectSingleNode( "./rss:title/text()", nsManager ).Value );
item.PublishDate = DateTimeOffset.Parse( node.SelectSingleNode( "./rss:pubDate/text()", nsManager ).Value );
item.Links.Add( new SyndicationLink( new Uri( node.SelectSingleNode( "./rss:link/text()", nsManager ).Value ) ) );
feedItems.Add( item );
}
return feed;
}
}
/// <summary>
/// Get whether an integer represents a legal XML 1.0 character. See the
/// specification at w3.org for these characters.
/// </summary>
public static bool IsLegalXmlChar(int character)
{
return(XmlSanitizingStream.IsLegalXmlChar("1.0", character));
}
