private DateTime ParseDate(string p)
{
DateTime date = new DateTime();
try
{
date = W3CDateTime.Parse(p.ToString()).DateTime;
}
catch (Exception)
{
if (p.ToString() == "")
{
date = DateTime.Now;
}
else
{
try
{
date = DateTime.Parse(p.ToString());
}
catch (Exception)
{
try
{
string tmp = p.ToString();
tmp = tmp.Substring(0, tmp.LastIndexOf(" "));
tmp += " GMT";
date = DateTime.Parse(tmp);
}
catch {
// we have a serious date problem
date = DateTime.Now;
//exceptions.Add(e);
}
}
}
}
return(date);
}
/// <summary>Reads the next RssElement from the stream.</summary>
/// <returns>An RSS Element</returns>
/// <exception cref="InvalidOperationException">RssReader has been closed, and can not be read.</exception>
/// <exception cref="System.IO.FileNotFoundException">RSS file not found.</exception>
/// <exception cref="System.Xml.XmlException">Invalid XML syntax in RSS file.</exception>
/// <exception cref="System.IO.EndOfStreamException">Unable to read an RssElement. Reached the end of the stream.</exception>
public RssElement Read()
{
bool readData = false;
bool pushElement = true;
RssElement rssElement = null;
int lineNumber = -1;
int linePosition = -1;
if (reader == null)
{
throw new InvalidOperationException("RssReader has been closed, and can not be read.");
}
do
{
pushElement = true;
try
{
readData = reader.Read();
}
catch (System.IO.EndOfStreamException e)
{
throw new System.IO.EndOfStreamException("Unable to read an RssElement. Reached the end of the stream.", e);
}
catch (System.Xml.XmlException e)
{
if (lineNumber != -1 || linePosition != -1)
{
if (reader.LineNumber == lineNumber && reader.LinePosition == linePosition)
{
throw exceptions.LastException;
}
}
lineNumber = reader.LineNumber;
linePosition = reader.LinePosition;
exceptions.Add(e); // just add to list of exceptions and continue :)
}
if (readData)
{
string readerName = reader.Name.ToLower();
switch (reader.NodeType)
{
case XmlNodeType.Element:
{
if (reader.IsEmptyElement && reader.AttributeCount == 0)
{
break;
}
elementText = new StringBuilder();
switch (readerName)
{
case "item":
// is this the end of the channel element? (absence of </channel> before <item>)
if (!wroteChannel)
{
wroteChannel = true;
rssElement = channel; // return RssChannel
readData = false;
}
item = new RssItem(); // create new RssItem
channel.Items.Add(item);
break;
//case "source":
// source = new RssSource();
// item.Source = source;
// for (int i = 0; i < reader.AttributeCount; i++)
// {
// reader.MoveToAttribute(i);
// switch (reader.Name.ToLower())
// {
// case "url":
// try
// {
// source.Url = reader.Value;
// }
// catch (Exception e)
// {
// exceptions.Add(e);
// }
// break;
// }
// }
// break;
//case "pubdate":
// try
// {
// item.PubDate = W3CDateTime.Parse(elementText.ToString()).DateTime;
// }
// catch (Exception e)
// {
// try
// {
// string tmp = elementText.ToString();
// tmp = tmp.Substring(0, tmp.LastIndexOf(" "));
// tmp += " GMT";
// item.PubDate = DateTime.Parse(tmp);
// }
// catch
// {
// exceptions.Add(e);
// }
// }
// break;
case "enclosure":
enclosure = new RssEnclosure();
item.Enclosure = enclosure;
for (int i = 0; i < reader.AttributeCount; i++)
{
reader.MoveToAttribute(i);
switch (reader.Name.ToLower())
{
case "url":
try
{
enclosure.Url = reader.Value;
}
catch (Exception e)
{
exceptions.Add(e);
}
break;
case "length":
try
{
enclosure.Length = int.Parse(reader.Value);
}
catch (Exception)
{
enclosure.Length = 0;
//exceptions.Add(e);
}
break;
case "type":
enclosure.Type = reader.Value;
break;
}
}
break;
case "guid":
guid = new RssGuid();
item.Guid = guid;
for (int i = 0; i < reader.AttributeCount; i++)
{
reader.MoveToAttribute(i);
switch (reader.Name.ToLower())
{
case "ispermalink":
try
{
guid.PermaLink = bool.Parse(reader.Value);
}
catch (Exception e)
{
exceptions.Add(e);
}
break;
}
}
break;
case "channel":
channel = new RssChannel();
image = null;
enclosure = null;
item = null;
break;
case "image":
image = new RssImage();
channel.Image = image;
break;
case "rss":
for (int i = 0; i < reader.AttributeCount; i++)
{
reader.MoveToAttribute(i);
if (reader.Name.ToLower() == "version")
{
switch (reader.Value)
{
case "0.91":
rssVersion = RssVersion.RSS091;
break;
case "0.92":
rssVersion = RssVersion.RSS092;
break;
case "2.0":
rssVersion = RssVersion.RSS20;
break;
default:
rssVersion = RssVersion.NotSupported;
break;
}
}
}
break;
case "rdf":
for (int i = 0; i < reader.AttributeCount; i++)
{
reader.MoveToAttribute(i);
if (reader.Name.ToLower() == "version")
{
switch (reader.Value)
{
case "0.90":
rssVersion = RssVersion.RSS090;
break;
case "1.0":
rssVersion = RssVersion.RSS10;
break;
default:
rssVersion = RssVersion.NotSupported;
break;
}
}
}
break;
}
if (pushElement)
{
xmlNodeStack.Push(readerName);
}
break;
}
case XmlNodeType.EndElement:
{
if (xmlNodeStack.Count == 1)
{
break;
}
string childElementName = (string)xmlNodeStack.Pop();
string parentElementName = (string)xmlNodeStack.Peek();
switch (childElementName) // current element
{
// item classes
case "item":
rssElement = item;
readData = false;
break;
//case "source":
// source.Name = elementText.ToString();
// rssElement = source;
// readData = false;
// break;
case "enclosure":
rssElement = enclosure;
readData = false;
break;
case "guid":
guid.Name = elementText.ToString();
rssElement = guid;
readData = false;
break;
case "pubdate":
rssElement = channel;
readData = false;
break;
case "channel":
if (wroteChannel)
{
wroteChannel = false;
}
else
{
wroteChannel = true;
rssElement = channel;
readData = false;
}
break;
}
switch (parentElementName) // parent element
{
case "item":
switch (childElementName)
{
case "pubdate":
try
{
item.PubDate = W3CDateTime.Parse(elementText.ToString()).DateTime;
}
catch (Exception e)
{
try
{
string tmp = elementText.ToString();
tmp = tmp.Substring(0, tmp.LastIndexOf(" "));
tmp += " GMT";
item.PubDate = DateTime.Parse(tmp);
}
catch
{
exceptions.Add(e);
}
}
break;
case "title":
item.Title = elementText.ToString();
break;
case "link":
item.Link = elementText.ToString();
break;
case "description":
item.Description = elementText.ToString();
break;
}
break;
case "channel":
switch (childElementName)
{
case "title":
channel.Title = elementText.ToString();
break;
case "link":
try
{
channel.Link = elementText.ToString();
}
catch (Exception e)
{
exceptions.Add(e);
}
break;
case "description":
channel.Description = elementText.ToString();
break;
case "pubdate":
try
{
channel.PubDate = W3CDateTime.Parse(elementText.ToString()).DateTime;
}
catch (Exception)
{
if (elementText.ToString() == "")
{
channel.PubDate = DateTime.Now;
}
else
{
try
{
channel.PubDate = DateTime.Parse(elementText.ToString());
}
catch (Exception e)
{
try
{
string tmp = elementText.ToString();
tmp = tmp.Substring(0, tmp.LastIndexOf(" "));
tmp += " GMT";
channel.PubDate = DateTime.Parse(tmp);
}
catch
{
exceptions.Add(e);
}
}
}
}
break;
case "lastbuilddate":
try
{
channel.LastBuildDate = W3CDateTime.Parse(elementText.ToString()).DateTime;
//channel.LastBuildDate = DateTime.Parse(elementText.ToString());
}
catch (Exception)
{
if (elementText.ToString() == "")
{
channel.LastBuildDate = DateTime.Now;
}
else
{
try
{
channel.LastBuildDate = DateTime.Parse(elementText.ToString());
}
catch (Exception e)
{
try
{
string tmp = elementText.ToString();
tmp = tmp.Substring(0, tmp.LastIndexOf(" "));
tmp += " GMT";
channel.LastBuildDate = DateTime.Parse(tmp);
}
catch
{
exceptions.Add(e);
}
}
}
}
break;
}
break;
case "image":
switch (childElementName)
{
case "url":
try
{
image.Url = elementText.ToString();
}
catch (Exception e)
{
exceptions.Add(e);
}
break;
case "title":
image.Title = elementText.ToString();
break;
case "link":
try
{
image.Link = elementText.ToString();
}
catch (Exception e)
{
exceptions.Add(e);
}
break;
case "content:encoded":
item.Content = elementText.ToString();
break;
case "description":
image.Description = elementText.ToString();
break;
}
break;
}
break;
}
case XmlNodeType.Text:
elementText.Append(reader.Value);
break;
case XmlNodeType.CDATA:
elementText.Append(reader.Value);
break;
}
}
}while (readData);
return(rssElement);
}
