private void backgroundWorker_genSearchWork(object sender, DoWorkEventArgs e)
{
Console.WriteLine("Background worker...");
if (authorCheckBox.Checked == true)
{
prevSelectedIndex = -1;
// get suggestions
if (a[0])
authSug = CSParser.getAuthSuggestions(searchField.Text);
else if (a[1])
{
authSug = GSScraper.getAuthSuggestions(searchField.Text);
}
else
authSug = MSParser.getAuthSuggestions(searchField.Text);
if (authSug == null || !authSug.isSet())
{
/* Case : No suggestions */
if (a[0] == true)
{
authStats = CSParser.getAuthors(searchField.Text, "", "");
authStats.Type = 0;
}
else if (a[1] == true)
{
authStats = GSScraper.getAuthors(searchField.Text, "", "", ref gs_nextUrl);
if (authStats == null)
MessageBox.Show("Oops! You have reached administrative limit for Google Scholar." +
"\nIf you are behind a proxy server, please try changing your settings.");
else
authStats.Type = 1;
}
else
{
authStats = MSParser.getAuthors(searchField.Text, "", "");
authStats.Type = 2;
}
suggestions = false;
}
else
{
authors = authSug.getSuggestions();
auth_url = authSug.getSuggestionsURL();
suggestions = true;
}
}
else // journal
{
if (a[0])
{
journalStats = CSParser.getJournals(searchField.Text, "", "");
journalStats.Type = 0;
}
else if (a[1])
{
journalStats = GSScraper.getJournals(searchField.Text, "", "", ref gs_nextUrl);
if(journalStats == null)
MessageBox.Show("Oops! You have reached administrative limit for Google Scholar." +
"\nIf you are behind a proxy server, please try changing your settings.");
else
journalStats.Type = 1;
}
else
{
journalStats = MSParser.getJournals(searchField.Text, "", "");
journalStats.Type = 2;
}
}
}
//,ref string next_URL)
// SUGGESTIONS FROM SEARCH PAGE
public SG.AuthSuggestion getAuthSuggestions(string authName)
{
List<string> names = new List<string>();
List<string> links = new List<string>();
/*
if (latestSearch.Equals("default") || (!latestSearch.Equals(authName)))
{
loadHtmlDocument(authName);
}
// DID U MEAN TAG
string xpath = "//*[@class=\"gs_med\"]";
HtmlNode dymNode = doc.DocumentNode.SelectSingleNode(xpath);
if (dymNode != null)
{
Console.WriteLine("\nDID YOU MEAN TAG ");
Console.WriteLine(dymNode.InnerText);
}
*/
// AUTHOR SUGGESTIONS
authName = authName.Trim();
authName = Regex.Replace(authName, @"\s+", "+");
string url = "http://scholar.google.co.in/citations?view_op=search_authors&mauthors=" + authName + "&hl=en&oi=ao";
HtmlWeb web = new HtmlWeb();
try
{
doc = web.Load(url);
}
catch (Exception e) {
return null;
}
string profiles_url = null;
string xpath = "//*[@class=\"cit-dark-large-link\"]";
//string xpath = "//*[@class=\"\"]";
HtmlNodeCollection profileNode = doc.DocumentNode.SelectNodes(xpath);
if (profileNode != null)
{
foreach (HtmlNode urlNode in profileNode)
{
//HtmlNode urlNode = node.SelectSingleNode(".//a");
if (urlNode != null)
{
profiles_url = urlNode.GetAttributeValue("href", "");
names.Add(urlNode.InnerText);
if (!profiles_url.Equals(""))
{
profiles_url = "http://scholar.google.com" + profiles_url;
profiles_url = profiles_url.Replace("amp;", "");
}
links.Add(profiles_url);
}
}
//NEXT PAGE URL EXTRACTION
HtmlNode next = doc.DocumentNode.SelectSingleNode("//*[@class=\"g-section cit-dgb\"]//tr/td[2]/a");
string next_URL;
if (next != null)
{
next_URL = next.Attributes["href"].Value;
next_URL = "http://scholar.google.com" + next_URL;
next_URL = next_URL.Replace("amp;", "");
}
else next_URL = null;
//TAKING RESULTS FROM NEXT PAGE
SG.AuthSuggestion suggestions = new SG.AuthSuggestion(names,links,true);
getAuthSuggestionsNextPage(next_URL, ref suggestions, ref next_URL);
return suggestions;
}
else return new SG.AuthSuggestion(null, null, false);
}
