static async void Composite(string path)
{
WebCrawler crawler = WebCrawler.GetInstance();
HtmlStoreProxy proxy = new HtmlStoreProxy();
MyHtmlModel model = await proxy.GetMyHtmlModel(path);
HtmlDocument htmlDoc = new HtmlDocument();
htmlDoc.LoadHtml(model.HTML);
HtmlNode html = crawler.GetFirstNode("html", htmlDoc);
var bodyNode = html.SelectSingleNode("//body");
var navigationNode = crawler.GetNode
(
"class",
"navbar navbar-expand-lg navbar-light fixed-top",
htmlDoc
);
var headerNode = crawler.GetNode
(
"class",
"masthead",
htmlDoc
);
var aboutSectionNode = crawler.GetNode
(
"id",
"about",
htmlDoc
);
var signupSection = crawler.GetNode
(
"id",
"signup",
htmlDoc
);
var contentOfsignupSection = crawler.GetFirstNode("body/section[3]/div[1]", htmlDoc);
signupSection.RemoveAllChildren();
html.RemoveChild(bodyNode);//html tag is without body tag
Console.WriteLine(html.OuterHtml);
////////////////Composite realization
Composite.Component htmlComposite = new CompositeComponent
(
new MyHtmlModel()
{
HTML = html.OuterHtml, Name = "WithoutBody"
}
);
htmlComposite.Node = html;
bodyNode.RemoveAllChildren();//body tag is empty
//composite components
Composite.Component EmptyBody = new CompositeComponent
(
new MyHtmlModel()
{
HTML = bodyNode.OuterHtml, Name = "EmptyBody"
}
);
EmptyBody.Node = bodyNode;
//leaf
HtmlElem navigation = new HtmlElem(new MyHtmlModel()
{
HTML = navigationNode.OuterHtml,
Name = "NavBar"
});
navigation.Node = navigationNode;
//leaf
HtmlElem header = new HtmlElem(new MyHtmlModel()
{
HTML = headerNode.OuterHtml,
Name = "Header"
});
header.Node = headerNode;
//leaf
HtmlElem AboutSection = new HtmlElem(new MyHtmlModel()
{
HTML = aboutSectionNode.OuterHtml,
Name = "NavBar"
});
AboutSection.Node = aboutSectionNode;
//append children to body
EmptyBody.Add(navigation);
EmptyBody.Node.AppendChild(navigation.Node);
EmptyBody.Add(header);
EmptyBody.Node.AppendChild(header.Node);
EmptyBody.Add(AboutSection);
EmptyBody.Node.AppendChild(AboutSection.Node);
htmlComposite.Add(EmptyBody);
htmlComposite.Node.AppendChild(EmptyBody.Node);
htmlComposite.Display();//displaying tree
Console.WriteLine("--------------------htmlComposite html----------------");
Console.WriteLine(htmlComposite.Node.OuterHtml); //displaying node html
EmptyBody.Remove(AboutSection); //remove child
EmptyBody.Node.RemoveChild(AboutSection.Node); //remove node
Console.WriteLine("--------------------htmlComposite html after remove----------------");
Console.WriteLine(htmlComposite.Node.OuterHtml);//displaying body without child
EmptyBody.Add(AboutSection);
EmptyBody.Node.AppendChild(AboutSection.Node);
//add one more composite element
Composite.Component signUpSectionComposite = new CompositeComponent
(new MyHtmlModel()
{
HTML = signupSection.OuterHtml,
Name = "EmptySignUpSection"
});
signUpSectionComposite.Node = signupSection;
//leaf
HtmlElem signUpSectionContainer = new HtmlElem
(
new MyHtmlModel()
{
HTML = contentOfsignupSection.OuterHtml,
Name = "SignUpSectionContainer"
}
);
signUpSectionContainer.Node = contentOfsignupSection;
signUpSectionComposite.Add(signUpSectionContainer);
signUpSectionComposite.Node.AppendChild(signUpSectionContainer.Node);
EmptyBody.Add(signUpSectionComposite);
EmptyBody.Node.AppendChild(signUpSectionComposite.Node);
htmlComposite.Display();
Console.WriteLine("--------------------htmlComposite html----------------");
Console.WriteLine(htmlComposite.Node.OuterHtml);
//htmlComposite.MyHtmlmodel.HTML=htmlComposite.Node.OuterHtml;//saving all html
MyHtmlModel final = new MyHtmlModel()
{
HTML = htmlComposite.MyHtmlmodel.HTML,
Name = "ResultOfComposition"
};
try
{
GenericSerializer serializer = new GenericSerializer("res", @"E:\studying\education\6сем\трпз\lab5\Saves\");
serializer.BinarySerializing(FileMode.Create, final);
serializer.DataContractSerialization(FileMode.Create, typeof(MyHtmlModel), final);
}
catch (Exception e)
{
}
EmptyBody.Remove(header); //remove child
EmptyBody.Node.RemoveChild(header.Node); //remove node
htmlComposite.Display();
}