void Crawler(string URL, int Depth)
{
ProgressBar.Value = limit;
if (limit != 0)
{
string htmlCode = null;
try
{
htmlCode = client.DownloadString(URL);
}
catch
{
MessageBox.Show("Internet Connection is not working.");
}
string title = Regex.Match(htmlCode, @"\<title\b[^>]*\>\s*(?<Title>[\s\S]*?)\</title\>", RegexOptions.IgnoreCase).Groups["Title"].Value;
try
{
ID++;
string Page = ExtractText(htmlCode).Replace("'", "''");
System.IO.File.WriteAllText($"{ID}.html", htmlCode);
Query($"Insert into web values ('{URL}','{ID}','{title.Substring(0, title.Length > 98 ? 98 : title.Length)}','{Page.Substring(0, Page.Length> 7999?7999:Page.Length-1)}');");
limit--;
}
catch (Exception ex) { ID--; }// MessageBox.Show(ex.Message); }
Depth--;
foreach (LinkItem i in LinkFinder.Find(htmlCode))
{
try
{
if (Depth > 0)
{
if (Uri.IsWellFormedUriString(i.Href, UriKind.Absolute))
{
Crawler(i.Href, Depth);
}
}
}
catch
{ }
}
}
}
public List <Link> ChildLinks()
{
LinkFinder linkFinder = new LinkFinder(linkStr);
List <Link> childLinks = new List <Link>();
try
{
Thread.Sleep(2000);
List <string> temp = linkFinder.GetSiteLinks();
foreach (var element in temp)
{
childLinks.Add((Link)element);
Console.WriteLine("current item received: " + element);
}
}
catch
{
IsValid = false;
}
return(childLinks);
}