public List <String> FindImages(String question, String userAgent)
{
List <String> imagesList = new List <String>();
try
{
String googleUrl = "https://www.google.com/search?tbm=isch&q=" + question.Replace(",", "");
NSoup.Nodes.Document htmlDoc = NSoupClient.Connect(googleUrl).UserAgent(userAgent).Timeout(10 * 1000).Get();
//Handling correctly auto redirects...
checkForRedirectsOnHTMLDocument(ref htmlDoc, userAgent);
/*
* //This is old method
* NSoup.Select.Elements images = htmlDoc.Select("div.rg_di.rg_el.ivg-i img"); //div with class="rg_di rg_el ivg-i" containing img
* foreach (NSoup.Nodes.Element img in images) {
* NSoup.Select.Elements links = img.Parent.Select("a[href]");
* if (links.Count() > 0) { //is there a link around img?
* NSoup.Nodes.Element link = img.Parent.Select("a[href]").First();
* String href = img.Parent.Attr("abs:href"); //link which needs to be parsed to get the full img url
* Regex regex = new Regex("imgurl=(.*?)&imgrefurl="); //Everything between "imgurl=" and "&imgrefurl="
* var v = regex.Match(href);
* if (v != null && v.Groups.Count == 2) {
* if (v.Groups[1].Value != String.Empty) {
* String imgURL = v.Groups[1].ToString();
* imagesList.Add(imgURL);
* }
* }
* }
* }
*/
NSoup.Select.Elements div_with_images = htmlDoc.Select("div.y.yi div.rg_di.rg_bx.rg_el.ivg-i"); //div with class="y yi" containing div with class="rg_di rg_bx rg_el ivg-i"
foreach (NSoup.Nodes.Element div_with_image in div_with_images)
{
NSoup.Nodes.Element rg_meta_div = div_with_image.Select("div.rg_meta").First();
String text_where_the_img_is = rg_meta_div.ToString();
Regex regex = new Regex("ou":"(.*?)""); //Everything between "ou":"" and """
var v = regex.Match(text_where_the_img_is);
if (v != null && v.Groups.Count == 2)
{
if (v.Groups[1].Value != String.Empty)
{
String imgURL = v.Groups[1].ToString();
imagesList.Add(imgURL);
}
}
}
}
catch (Exception ex)
{
this.Error = ex;
}
return(imagesList);
}
