/// <summary>
/// Initializes a new instance of the RssChannel class and set default values.
/// </summary>
public RssChannel()
{
Cloud = new RssCloud();
Image = new RssImage();
TextInput = new RssTextInput();
_items = new RssItemCollection(this);
SetVersion("2.0");
//
this.PubDate = DateTime.Now;
this.LastBuildDate = PubDate;
this.Language = System.Globalization.CultureInfo.CurrentCulture;
}
/// <summary>
/// Parser use XmlTextReader as input for data
/// </summary>
protected virtual void Parse(XmlReader xmlTextReader)
{
try
{
// initalize
PropertyInfo propertyInfo = null;
bool supressRead = false;
// try to read the rss header
xmlTextReader.MoveToContent();
if (xmlTextReader.Name == "rss")
SetVersion(xmlTextReader.GetAttribute("version"));
else
SetVersion("");
xmlTextReader.Read();
// process channel
while (!xmlTextReader.EOF)
{
// if no ReadInnerXml() call was done, read
if (!supressRead)
xmlTextReader.Read();
// Move to content
xmlTextReader.MoveToContent();
// set default for next loop
supressRead = false;
//
if (xmlTextReader.NodeType == XmlNodeType.Element)
{
if (xmlTextReader.Name == "item")
{
if (xmlTextReader.IsEmptyElement)
continue;
// add new item to item collection
Items.Add(new RssItem(xmlTextReader));
}
// image has sub elements
else if (xmlTextReader.Name == "image")
{
if (xmlTextReader.IsEmptyElement)
continue;
Image = new RssImage(xmlTextReader);
}
// image has sub elements
else if (xmlTextReader.Name == "textInput")
{
if (xmlTextReader.IsEmptyElement)
continue;
TextInput = new RssTextInput(xmlTextReader);
}
else if (xmlTextReader.Name == "cloud")
{
if (!xmlTextReader.HasAttributes)
continue;
Cloud = new RssCloud(xmlTextReader);
}
else if (xmlTextReader.Name == "skipDays")
{
if (xmlTextReader.IsEmptyElement)
continue;
// find related property by name
propertyInfo = GetType().GetProperty(xmlTextReader.Name, BindingFlags.IgnoreCase | BindingFlags.Public | BindingFlags.Instance);
if (propertyInfo != null)
{
// find days and parse SkipDays enum
int result = 0;
while (!(xmlTextReader.Name == "skipDays" && xmlTextReader.NodeType == XmlNodeType.EndElement))
{
xmlTextReader.Read();
if (xmlTextReader.NodeType != XmlNodeType.Element)
continue;
xmlTextReader.Read();
result += (int)Enum.Parse(typeof(SkipDays), xmlTextReader.Value, true);
}
// set value
propertyInfo.SetValue(this, Enum.ToObject(typeof(SkipDays), result), null);
}
}
else if (xmlTextReader.Name == "skipHours")
{
if (xmlTextReader.IsEmptyElement) continue;
// find related property by name
propertyInfo = GetType().GetProperty(xmlTextReader.Name, BindingFlags.IgnoreCase | BindingFlags.Public | BindingFlags.Instance);
if (propertyInfo != null)
{
// read all hours elements
ArrayList list = new ArrayList();
while (!(xmlTextReader.Name == "skipHours" && xmlTextReader.NodeType == XmlNodeType.EndElement))
{
xmlTextReader.Read();
if (xmlTextReader.NodeType != XmlNodeType.Element)
continue;
xmlTextReader.Read();
list.Add(Convert.ToInt32(xmlTextReader.Value));
}
// set value
propertyInfo.SetValue(this, list.ToArray(typeof(int)), null);
}
}
// items is the item collection, skip if specified
else if (xmlTextReader.Name.ToLower() == "items")
{
}
// otherwise fill channel element
else
{
supressRead = XmlSerializationUtil.DecodeXmlTextReaderValue(this, xmlTextReader);
}
}
}
}
catch (Exception e)
{
throw e;
}
finally
{
if (xmlTextReader != null)
xmlTextReader.Close();
}
}
