/// <summary>
/// Create a new FormElement object.
/// </summary>
/// <param name="id">Initial value of the Id property.</param>
/// <param name="formId">Initial value of the FormId property.</param>
public static FormElement CreateFormElement(global::System.Int32 id, global::System.Int32 formId)
{
FormElement formElement = new FormElement();
formElement.Id = id;
formElement.FormId = formId;
return formElement;
}
/// <summary>
/// Deprecated Method for adding a new object to the FormElements EntitySet. Consider using the .Add method of the associated ObjectSet<T> property instead.
/// </summary>
public void AddToFormElements(FormElement formElement)
{
base.AddObject("FormElements", formElement);
}
private Form[] ExtractForms(Webpage page)
{
CrawlAnnounceItem item = new CrawlAnnounceItem(page, CrawlStatus.ExtractingFormsStarted, null, DateTime.Now, _sharedResource);
OnCrawlAnnounced(item);
List<Form> _formLst = new List<Form>();
HtmlNode.ElementsFlags.Remove("form");
HtmlDocument htmlDocument = new HtmlDocument();
htmlDocument.LoadHtml(page.Html);
HtmlNode root = htmlDocument.DocumentNode;
foreach (HtmlNode formNode in root.Descendants("form"))
{
Form form = new Form();
HtmlAttribute att = formNode.Attributes["action"];
string uri = (att == null || att.Value == "" || att.Value.StartsWith("#") ? page.Url : att.Value);
if (Uri.IsWellFormedUriString(uri, UriKind.Absolute))
form.Action = uri;
else if (Uri.IsWellFormedUriString(uri, UriKind.Relative))
form.Action = UnifyUri(page, uri);
form.Method = formNode.Attributes["method"].Value;
if (form.Action != null)
{
foreach (HtmlNode inputNode in formNode.Descendants("input"))
{
FormElement element = new FormElement();
if (inputNode.Attributes.Any(a => a.Name == "name"))
element.Name = inputNode.Attributes["name"].Value;
else
element.Name = "";
if (inputNode.Attributes.Any(a => a.Name == "value"))
element.Value = inputNode.Attributes["value"].Value;
else
element.Value = "";
element.Type = inputNode.Attributes["type"].Value;
form.FormElements.Add(element);
}
_formLst.Add(form);
}
}
_sharedResource.AddTotalFormsFound(_formLst.Count);
item = new CrawlAnnounceItem(page, CrawlStatus.ExtractingFormsFinished, string.Format("این صفحه دارای {0} فرم می باشد.", _formLst.Count), DateTime.Now, _sharedResource);
OnCrawlAnnounced(item);
return _formLst.ToArray();
}
