void IMetaHandler.HandleContent(IHtmlMetaElement element)
{
var encoding = this.GetEncoding(element);
if (encoding != null)
{
var document = element.Owner;
document.Source.CurrentEncoding = encoding;
}
}
/// <summary>
/// Gets the associated encoding, if any.
/// </summary>
/// <param name="element">The element to get the encoding from.</param>
/// <returns>The discovered encoding or null.</returns>
protected virtual Encoding GetEncoding(IHtmlMetaElement element)
{
var charset = element.Charset;
if (charset != null)
{
charset = charset.Trim();
if (TextEncoding.IsSupported(charset))
{
return(TextEncoding.Resolve(charset));
}
}
var shouldParseContent = element.HttpEquivalent.Isi(HeaderNames.ContentType);
return(shouldParseContent ? TextEncoding.Parse(element.Content ?? String.Empty) : null);
}
public void ParseShopCategory()
{
Func <IHtmlDocument, string> doHtmlParser = ((document) =>
{
var blueListItemsLinq = document.QuerySelector("head").QuerySelectorAll("meta").Where(
m =>
{
IHtmlMetaElement temp = m as IHtmlMetaElement;
if (temp != null)
{
return(temp.Name == "microscope-data");
}
return(false);
});
return(null);
});
ParseCommon("shop_category", doHtmlParser, shopDBBase);
}
void IMetaHandler.HandleContent(IHtmlMetaElement element)
{
var metaValue = element.HttpEquivalent;
if (metaValue.Isi("refresh"))
{
var document = element.Owner;
var content = element.Content;
var baseUrl = new Url(document.DocumentUri);
var redirectUrl = baseUrl;
var delay = content;
var sepIndex = content.IndexOf(';');
if (sepIndex >= 0)
{
delay = content.Substring(0, sepIndex);
var rest = content.Substring(sepIndex + 1).Trim();
if (rest.StartsWith("url=", StringComparison.OrdinalIgnoreCase))
{
var relativeUrl = rest.Substring(4);
if (relativeUrl.Length > 0)
{
redirectUrl = new Url(baseUrl, relativeUrl);
}
}
}
if (Int32.TryParse(delay, out var delaySeconds))
{
var delayTime = TimeSpan.FromSeconds(delaySeconds);
Task.Delay(delayTime)
.ContinueWith(task => document.Location.Assign(redirectUrl.Href));
}
}
}
public void HandleContent(IHtmlMetaElement element)
{
element.Owner.Source.CurrentEncoding = Encoding.UTF8;
}
