public HtmlCollection QuerySelectorAll(string selector)
{
if (string.IsNullOrWhiteSpace(selector))
{
return(this);
}
var collection = new HtmlCollection();
collection.AddRange(_querySelectorAll(selector));
return(collection);
}
public async Task <HtmlCollection> DocumentElement()
{
IDocument container;
if (!string.IsNullOrWhiteSpace(Raw))
{
var parser = new HtmlParser();
container = parser.Parse(Raw);
}
else if (!string.IsNullOrWhiteSpace(Url))
{
container = await BrowsingContext.New(Configuration.Default.WithDefaultLoader(requesters: new[] { _requester })).OpenAsync(Url);
}
else
{
throw new Exception("no source");
}
if (Actions != null)
{
foreach (var action in Actions)
{
var subjects = container.QuerySelectorAll(action.At);
if (action.Type == "insert")
{
var sources = await action.Source.DocumentElement();
subjects.ForEach(subject => sources.ForEach(source => subject.AppendChild(source.Clone(deep: true))));
}
else if (action.Type == "replace")
{
var sources = await action.Source.DocumentElement();
subjects.ForEach(subject => subject.Replace(sources.Clone().ToArray()));
}
else if (action.Type == "remove")
{
subjects.ForEach(subject => subject.Remove());
}
else if (action.Type == "insert-after")
{
var sources = await action.Source.DocumentElement();
subjects.ForEach(subject => subject.Insert(AdjacentPosition.AfterEnd, sources.ToHtml()));
}
else if (action.Type == "insert-before")
{
var sources = await action.Source.DocumentElement();
subjects.ForEach(subject => subject.Insert(AdjacentPosition.BeforeBegin, sources.ToHtml()));
}
else if (action.Type == "wrap")
{
var sources = await action.Source.DocumentElement();
if (sources.Count > 1)
{
throw new Exception("Wrap can only support a single element in the source");
}
subjects.ForEach(subject => {
var contextSource = sources.First().Clone();
subject.Replace(contextSource);
contextSource.AppendChild(subject);
});
}
}
}
var elements = new HtmlCollection();
if (!string.IsNullOrWhiteSpace(Raw))
{
if (Raw.Contains("<html>"))
{
elements.Add(container.DocumentElement);
}
else
{
if (container.Body.Children.Any())
{
elements.AddRange(container.Body.Children);
}
else if (container.Head.Children.Any())
{
elements.AddRange(container.Head.Children);
}
else
{
throw new Exception("Could not find created element");
}
}
if (!string.IsNullOrWhiteSpace(Select))
{
elements = elements.QuerySelectorAll(Select);
}
}
else if (!string.IsNullOrWhiteSpace(Url))
{
if (!string.IsNullOrWhiteSpace(Select))
{
elements.AddRange(container.QuerySelectorAll(Select));
}
else
{
elements.Add(container.DocumentElement);
}
}
else
{
throw new Exception("no source");
}
return(elements);
}