/// <summary>
/// Loads the response as an HTML document.
/// </summary>
protected static Task <IDocument> LoadHtmlAsync(IBrowsingContext context, CreateDocumentOptions options, CancellationToken cancellationToken)
{
var parser = context.GetService <IHtmlParser>();
var document = new HtmlDocument(context, options.Source);
document.Setup(options.Response, options.ContentType, options.ImportAncestor);
context.NavigateTo(document);
return(parser.ParseDocumentAsync(document, cancellationToken));
}
protected void Setup(CreateDocumentOptions options)
{
ContentType = options.ContentType.Content;
Referrer = options.Response.Headers.GetOrDefault(HeaderNames.Referer, String.Empty);
DocumentUri = options.Response.Address.Href;
Cookie = options.Response.Headers.GetOrDefault(HeaderNames.SetCookie, String.Empty);
ImportAncestor = options.ImportAncestor;
ReadyState = DocumentReadyState.Loading;
}
/// <summary>
/// Creates a new document from the given arguments using the Content-Type
/// of the provided options.
/// </summary>
/// <param name="context">The browsing context to use.</param>
/// <param name="options">The options to consider.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>The task creating the document from the response.</returns>
public virtual Task <IDocument> CreateAsync(IBrowsingContext context, CreateDocumentOptions options, CancellationToken cancellationToken)
{
var contentType = options.ContentType;
foreach (var creator in _creators)
{
if (contentType.Represents(creator.Key))
{
return(creator.Value.Invoke(context, options, cancellationToken));
}
}
return(CreateDefaultAsync(context, options, cancellationToken));
}
/// <summary> /// Creates the default document for the given options. /// </summary> /// <param name="context">The browsing context to use.</param> /// <param name="options">The options to consider.</param> /// <param name="cancellationToken">The cancellation token.</param> /// <returns>The task creating the document from the response.</returns> protected virtual Task <IDocument> CreateDefaultAsync(IBrowsingContext context, CreateDocumentOptions options, CancellationToken cancellationToken) => LoadHtmlAsync(context, options, cancellationToken);
/// <summary>
/// Loads the response as a plain text (formatted as HTML) document.
/// </summary>
protected static async Task <IDocument> LoadTextAsync(IBrowsingContext context, CreateDocumentOptions options, CancellationToken cancellationToken)
{
var document = new HtmlDocument(context, options.Source);
document.Setup(options.Response, options.ContentType, options.ImportAncestor);
context.NavigateTo(document);
var root = document.CreateElement(TagNames.Html);
var head = document.CreateElement(TagNames.Head);
var body = document.CreateElement(TagNames.Body);
var pre = document.CreateElement(TagNames.Pre);
document.AppendChild(root);
root.AppendChild(head);
root.AppendChild(body);
body.AppendChild(pre);
pre.SetAttribute(AttributeNames.Style, "word-wrap: break-word; white-space: pre-wrap;");
await options.Source.PrefetchAllAsync(cancellationToken).ConfigureAwait(false);
pre.TextContent = options.Source.Text;
return(document);
}
