public override void Parse()
{
base.Parse();
//Uri currentBase = new Uri(Feed._base.ToString());
while (XmlReader.Read())
{
if (XmlReader.NodeType == XmlNodeType.Element)
{
//if (XmlReader.HasAttributes)
//{
// XmlReader.MoveToAttribute("xml:base");
// currentBase = new Uri(Feed._base, XmlReader.Value);
//}
switch (XmlReader.Name)
{
case "title" :
XmlReader.MoveToContent();
Feed.Title = XmlReader.ReadString();
break;
case "subtitle":
XmlReader.MoveToContent();
Feed.Description = XmlReader.ReadString();
break;
case "icon":
XmlReader.MoveToContent();
Feed.Icon = XmlReader.ReadString();
break;
case "logo":
XmlReader.MoveToContent();
Image image = new Image();
image.Uri = XmlReader.ReadString();
Feed.Image = image;
break;
case "id":
XmlReader.MoveToContent();
Feed.Id = XmlReader.ReadString();
break;
case "updated":
case "modified":
XmlReader.MoveToContent();
Feed.Updated = DTHelper.ParseDateTime(XmlReader.ReadString());
break;
case "author":
XmlReader.MoveToContent();
Feed.Authors.Add(readPerson(XmlReader.ReadSubtree()));
break;
case "contributor":
XmlReader.MoveToContent();
Feed.Contributors.Add(readPerson(XmlReader.ReadSubtree()));
break;
case "link":
Link link = new Link();
while (XmlReader.MoveToNextAttribute())
{
switch (XmlReader.Name)
{
case "href": link.href = XmlReader.Value; break;
case "hreflang": link.hreflang = XmlReader.Value; break;
case "length": link.length = XmlReader.Value; break;
case "rel": link.rel = XmlReader.Value; break;
case "title": link.title = XmlReader.Value; break;
case "type": link.type = XmlReader.Value; break;
}
}
normalizeFeedLink(link);
break;
case "rights":
XmlReader.MoveToContent();
Feed.Copyright = XmlReader.ReadString();
break;
case "category":
Category category = new Category();
while (XmlReader.MoveToNextAttribute())
{
switch (XmlReader.Name)
{
case "term": category.Term = XmlReader.Value; break;
case "scheme": category.Scheme = XmlReader.Value; break;
case "label": category.Label = XmlReader.Value; break;
}
}
if (category.Label.Length == 0)
category.Label = category.Term;
Feed.Categories.Add(category);
break;
case "generator":
Generator generator = new Generator();
while (XmlReader.MoveToNextAttribute())
{
switch (XmlReader.Name)
{
case "uri": generator.Uri = XmlReader.Value; break;
case "version": generator.Version = XmlReader.Value; break;
}
}
XmlReader.MoveToContent();
generator.Name = XmlReader.ReadString();
Feed.Generator = generator;
break;
case "entry":
XmlReader.MoveToContent();
readEntry(XmlReader.ReadSubtree());
break;
}
}
}
Complete();
}
public override void Parse()
{
base.Parse();
while (XmlReader.Read())
{
if (XmlReader.Depth == 1)
{
if (XmlReader.NodeType == XmlNodeType.Element)
{
switch (XmlReader.Name)
{
case "title":
XmlReader.MoveToContent();
Feed.Title = XmlReader.ReadString();
break;
case "description":
XmlReader.MoveToContent();
Feed.Description = XmlReader.ReadString();
break;
case "link":
XmlReader.MoveToContent();
Feed.WebUri = new FeedUri(XmlReader.ReadString());
break;
case "language":
XmlReader.MoveToContent();
Feed.Language = XmlReader.ReadString();
break;
case "copyright":
XmlReader.MoveToContent();
Feed.Copyright = XmlReader.ReadString();
break;
case "managingEditor":
XmlReader.MoveToContent();
Feed.Authors.Add(readPerson(XmlReader.ReadString()));
break;
case "webMaster":
XmlReader.MoveToContent();
Feed.WebMaster = readPerson(XmlReader.ReadString());
break;
case "pubDate":
XmlReader.MoveToContent();
Feed.Published = DTHelper.ParseDateTime(XmlReader.ReadString());
break;
case "lastBuildDate":
XmlReader.MoveToContent();
Feed.Updated = DTHelper.ParseDateTime(XmlReader.ReadString());
break;
case "category":
Category category = new Category();
while (XmlReader.MoveToNextAttribute())
{
if (XmlReader.Name == "domain")
category.Scheme = XmlReader.Value;
}
XmlReader.MoveToContent();
category.Label = category.Term = XmlReader.ReadString();
Feed.Categories.Add(category);
break;
case "generator":
Generator generator = new Generator();
XmlReader.MoveToContent();
generator.Name = XmlReader.ReadString();
if (Uri.IsWellFormedUriString(generator.Name, UriKind.Absolute))
generator.Uri = generator.Name;
Feed.Generator = generator;
break;
case "docs":
XmlReader.MoveToContent();
Feed.RssDocumentation = XmlReader.ReadString();
break;
case "cloud":
Cloud cloud = new Cloud();
int port = 0;
while (XmlReader.MoveToNextAttribute())
{
switch (XmlReader.Name)
{
case "domain": cloud.Domain = XmlReader.Value; break;
case "path": cloud.Path = XmlReader.Value; break;
case "port":
Int32.TryParse(XmlReader.Value, out port);
cloud.Port = port;
break;
case "protocol": cloud.Protocol = XmlReader.Value; break;
case "registerProcedure": cloud.RegisterProcedure = XmlReader.Value; break;
}
}
Feed.Cloud = cloud;
break;
case "ttl":
int ttl = 0;
XmlReader.MoveToContent();
Int32.TryParse(XmlReader.ReadString(), out ttl);
Feed.Ttl = ttl;
break;
case "image":
XmlReader.MoveToContent();
Feed.Image = readImage(XmlReader.ReadSubtree());
break;
case "rating": break; // PICS is not yet implemented
case "textInput": break; // The purpose of the <textInput> element is something of a mystery
case "skipHours":
XmlReader.MoveToContent();
short hour = 0;
if (Int16.TryParse(XmlReader.ReadString(), out hour))
Feed.SkipHours.Add(hour);
break;
case "skipDays":
XmlReader.MoveToContent();
switch (XmlReader.ReadString())
{
case "Monday": Feed.SkipDays.Add(Days.Monday); break;
case "Tuesday": Feed.SkipDays.Add(Days.Tuesday); break;
case "Wednesday": Feed.SkipDays.Add(Days.Wednesday); break;
case "Thursday": Feed.SkipDays.Add(Days.Thursday); break;
case "Friday": Feed.SkipDays.Add(Days.Friday); break;
case "Saturday": Feed.SkipDays.Add(Days.Saturday); break;
case "Sunday": Feed.SkipDays.Add(Days.Sunday); break;
}
break;
case "item":
XmlReader.MoveToContent();
readItem(XmlReader.ReadSubtree());
break;
default:
if (readModules && XmlReader.Prefix != String.Empty)
{
IModule module = Feed.GetModule(XmlReader.Prefix);
if (module != null)
module.Parse(XmlReader.ReadSubtree());
}
break;
}
}
}
}
Complete();
}
private void readEntry(XmlReader subReader)
{
subReader.MoveToContent();
FeedItem feedItem = new FeedItem();
while (subReader.Read())
{
if (subReader.NodeType == XmlNodeType.Element)
{
switch (subReader.Name)
{
case "title":
subReader.MoveToContent();
feedItem.Title = subReader.ReadString();
break;
case "id":
subReader.MoveToContent();
FeedGuid guid = new FeedGuid(subReader.ReadString());
if(!Uri.IsWellFormedUriString(guid.Id, UriKind.Absolute))
guid.PermaLink = false;
feedItem.Guid = guid;
break;
case "content":
bool contentRead = false;
while (subReader.MoveToNextAttribute())
{
if (subReader.Name == "type")
{
if (subReader.Value == "xhtml")
{
subReader.MoveToContent();
feedItem.Content = subReader.ReadInnerXml();
feedItem.ContentType = TextType.Xhtml;
contentRead = true;
}
else if (subReader.Value == "html")
{
feedItem.ContentType = TextType.Html;
}
}
}
if (!contentRead)
{
subReader.MoveToContent();
feedItem.Content = subReader.ReadString();
}
break;
case "summary":
bool summaryRead = false;
while (subReader.MoveToNextAttribute())
{
if (subReader.Name == "type")
{
if (subReader.Value == "xhtml")
{
subReader.MoveToContent();
feedItem.Summary = subReader.ReadInnerXml();
feedItem.SummaryType = TextType.Xhtml;
summaryRead = true;
}
else if (subReader.Value == "html")
{
feedItem.SummaryType = TextType.Html;
}
}
}
if (!summaryRead)
{
subReader.MoveToContent();
feedItem.Summary = subReader.ReadString();
}
break;
case "modified":
case "updated":
subReader.MoveToContent();
feedItem.Updated = DTHelper.ParseDateTime(subReader.ReadString());
break;
case "published":
case "created":
subReader.MoveToContent();
feedItem.Published = DTHelper.ParseDateTime(subReader.ReadString());
break;
case "author":
subReader.MoveToContent();
feedItem.Authors.Add(readPerson(subReader.ReadSubtree()));
break;
case "contributor":
subReader.MoveToContent();
feedItem.Contributors.Add(readPerson(subReader.ReadSubtree()));
break;
case "rights":
subReader.MoveToContent();
feedItem.Copyright = subReader.ReadString();
break;
case "category":
Category category = new Category();
while (subReader.MoveToNextAttribute())
{
switch (subReader.Name)
{
case "term": category.Term = subReader.Value; break;
case "scheme": category.Scheme = subReader.Value; break;
case "label": category.Label = subReader.Value; break;
}
}
feedItem.Categories.Add(category);
break;
case "link":
Link link = new Link();
while (subReader.MoveToNextAttribute())
{
switch (subReader.Name)
{
case "href": link.href = subReader.Value; break;
case "hreflang": link.hreflang = subReader.Value; break;
case "length": link.length = subReader.Value; break;
case "rel": link.rel = subReader.Value; break;
case "title": link.title = subReader.Value; break;
case "type": link.type = subReader.Value; break;
}
}
//In case someone formats a link as <link>href</link>
//we can tolerate that as well.
if (String.IsNullOrEmpty(link.href))
{
subReader.MoveToContent();
link.href = subReader.ReadString();
}
normalizeFeedItemLink(feedItem, link);
break;
default:
if (readModules && subReader.Prefix != String.Empty)
readModuleItem(subReader, feedItem);
break;
}
}
}
Feed.Items.Add(feedItem);
}
private void readItem(XmlReader subReader)
{
subReader.MoveToContent();
m_CurrentFeedItem = new FeedItem();
while (subReader.Read())
{
if (subReader.NodeType == XmlNodeType.Element)
{
m_CurrentNode = subReader.Name;
switch (m_CurrentNode)
{
case "title":
subReader.MoveToContent();
m_CurrentFeedItem.Title = subReader.ReadString();
break;
case "description":
subReader.MoveToContent();
try
{
// One feed had a hex character / & that couldnt be read with XmlReader.
m_CurrentFeedItem.Content = subReader.ReadString();
}
catch(Exception ex)
{
System.Diagnostics.Debug.WriteLine("Error reading the description of a feed item. Ignored usually: "+ex.Message);
}
break;
case "link":
subReader.MoveToContent();
FeedUri uri = new FeedUri(subReader.ReadString());
m_CurrentFeedItem.WebUris.Add(uri);
break;
case "author":
subReader.MoveToContent();
m_CurrentFeedItem.Authors.Add(readPerson(subReader.ReadString()));
break;
case "category":
Category category = new Category();
while (subReader.MoveToNextAttribute())
{
if (subReader.Name == "domain")
category.Scheme = subReader.Value;
}
subReader.MoveToContent();
category.Label = category.Term = subReader.ReadString();
m_CurrentFeedItem.Categories.Add(category);
break;
case "comments":
subReader.MoveToContent();
m_CurrentFeedItem.CommentsUri = subReader.ReadString();
break;
case "enclosure":
Enclosure enclosure = new Enclosure();
while (subReader.MoveToNextAttribute())
{
switch (subReader.Name)
{
case "url": enclosure.Uri = subReader.Value; break;
case "length":
int length = 0;
if (Int32.TryParse(subReader.Value, out length))
enclosure.Length = length;
break;
case "type": enclosure.Type = subReader.Value; break;
}
}
m_CurrentFeedItem.Enclosures.Add(enclosure);
break;
case "guid":
FeedGuid guid = new FeedGuid();
if (subReader.MoveToFirstAttribute())
{
if (subReader.Name == "isPermaLink" && subReader.Value == "false")
guid.PermaLink = false;
}
subReader.MoveToContent();
guid.Id = subReader.ReadString();
m_CurrentFeedItem.Guid = guid;
break;
case "pubDate":
subReader.MoveToContent();
m_CurrentFeedItem.Published = DTHelper.ParseDateTime(subReader.ReadString());
break;
case "source":
Source source = new Source();
if (subReader.MoveToFirstAttribute())
{
if (subReader.Name == "url")
source.Uri = subReader.Value;
}
subReader.MoveToContent();
source.Title = subReader.ReadString();
m_CurrentFeedItem.Source = source;
break;
default:
if (readModules && subReader.Prefix != String.Empty)
readModuleItem(subReader, m_CurrentFeedItem);
break;
}
}
}
Feed.Items.Add(m_CurrentFeedItem);
}
