public Item(RssItem item)
{
this.title = item.Title;
this.description = item.Description;
this.url = item.Link;
this.guid = item.Guid;
this.pub_date = item.PubDate;
}
private bool checkInDataGridView(RssItem item)
{
foreach (DataGridViewRow row in newsTable.Rows)
{
if (((string)row.Cells["Title"].Value == item.title) && ((string)row.Cells["Link"].Value == item.link))
{
return(false);
}
}
return(true);
}
private List <RssItem> parse(string channelUrl)
{
try
{
XmlDocument doc = new XmlDocument();
doc.Load(channelUrl);
XmlNode channel = doc.ChildNodes[1].FirstChild;
List <RssItem> rssItems = new List <RssItem>();
RssItem rssItem;
foreach (XmlNode item in channel.SelectNodes("item"))
{
if (checkItemOfFilters(item))
{
rssItem = new RssItem(
item.SelectSingleNode("title").InnerText,
item.SelectSingleNode("link").InnerText,
regex.Replace(item.SelectSingleNode("description").InnerText, ""),
item.SelectSingleNode("category") != null ? item.SelectSingleNode("category").InnerText : "",
item.SelectSingleNode("pubDate").InnerText
);
lock (this)
{
newsTable.Invoke(new Action(() =>
{
if (checkInDataGridView(rssItem))
{
int rowNumber = newsTable.Rows.Add();
newsTable.Rows[rowNumber].Cells["Title"].Value = rssItem.title;
newsTable.Rows[rowNumber].Cells["Category"].Value = rssItem.category;
newsTable.Rows[rowNumber].Cells["Description"].Value = rssItem.description;
newsTable.Rows[rowNumber].Cells["PubDate"].Value = rssItem.publicDate;
newsTable.Rows[rowNumber].Cells["Link"].Value = rssItem.link;
newsTable.Rows[rowNumber].Cells["ID"].Value = newsTable.Rows.Count;
}
}));
}
rssItems.Add(rssItem);
}
}
return(rssItems);
}
catch (Exception exc)
{
MessageBox.Show(exc.Message);
return(null);
}
}
// reads the channel section of an rss document
void readChannel(XmlNodeList node_list)
{
foreach (XmlNode node in node_list)
{
switch (node.Name.ToLower ())
{
case "title":
title = node.InnerText;
break;
case "link":
link = node.InnerText;
break;
case "description":
description = node.InnerText;
break;
case "pubdate":
pubdate = node.InnerText;
break;
case "item":
RssItem item = new RssItem (node.ChildNodes);
items.Add (item);
break;
}
}
}
public bool GetItems(string sourceName)
{
try
{
XmlDocument doc = new XmlDocument();
doc.Load(new XmlTextReader(sourceName));
XmlNode root = doc.DocumentElement;
articles = new RssItem[root.SelectNodes("channel/item").Count];
XmlNodeList nodeList = root.ChildNodes;
int count = 0;
foreach (XmlNode channel in nodeList)
{
foreach (XmlNode channel_item in channel)
{
switch (channel_item.Name)
{
case "title":
rssChannel.title = channel_item.InnerText;
break;
case "description":
rssChannel.description = channel_item.InnerText;
break;
case "link":
rssChannel.link = channel_item.InnerText;
break;
case "copyright":
rssChannel.copyright = channel_item.InnerText;
break;
case "image":
XmlNodeList imgList = channel_item.ChildNodes;
foreach (XmlNode imgItem in imgList)
{
switch (imgItem.Name)
{
case "url":
imageChanel.imgURL = imgItem.InnerText;
break;
case "link":
imageChanel.imgLink = imgItem.InnerText;
break;
case "title":
imageChanel.imgTitle = imgItem.InnerText;
break;
}
}
break;
case "item":
XmlNodeList itemsList = channel_item.ChildNodes;
articles[count] = new RssItem();
foreach (XmlNode item in itemsList)
{
switch (item.Name)
{
case "title":
articles[count].title = item.InnerText;
break;
case "link":
articles[count].link = item.InnerText;
break;
case "description":
articles[count].description = item.InnerText;
break;
case "pubDate":
articles[count].pubData = item.InnerText;
break;
}
}
++count;
break;
}
}
}
return(true);
}
catch (Exception ex)
{
return(false);
}
}
