/// <summary>
/// Creates a new set of document options from the given response with
/// the provided configuration.
/// </summary>
/// <param name="response">The response to pass on.</param>
/// <param name="encoding">The optional default encoding.</param>
/// <param name="ancestor">The optional import ancestor.</param>
public CreateDocumentOptions(IResponse response, Encoding encoding = null, IDocument ancestor = null)
{
var contentType = response.GetContentType(MimeTypeNames.Html);
var charset = contentType.GetParameter(AttributeNames.Charset);
var defaultEncoding = encoding ?? Encoding.UTF8;
var source = new TextSource(response.Content, defaultEncoding);
if (!String.IsNullOrEmpty(charset) && TextEncoding.IsSupported(charset))
{
source.CurrentEncoding = TextEncoding.Resolve(charset);
}
_source = source;
_contentType = contentType;
_response = response;
_ancestor = ancestor;
}
/// <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 Encoding GetEncoding()
{
var charset = Charset;
if (charset != null)
{
charset = charset.Trim();
if (TextEncoding.IsSupported(charset))
{
return(TextEncoding.Resolve(charset));
}
}
var equiv = HttpEquivalent;
var shouldParseContent = equiv != null && equiv.Isi(HeaderNames.ContentType);
return(shouldParseContent ? TextEncoding.Parse(Content ?? String.Empty) : null);
}
void SetEncoding(String charSet)
{
if (TextEncoding.IsSupported(charSet))
{
var encoding = TextEncoding.Resolve(charSet);
if (encoding != null)
{
try
{
_document.Source.CurrentEncoding = encoding;
}
catch (NotSupportedException)
{
_currentMode = XmlTreeMode.Initial;
_document.ReplaceAll(null, true);
_openElements.Clear();
}
}
}
}
/// <summary>
/// Gets the specified charset, if there has been any specified.
/// </summary>
/// <returns>The encoding or null.</returns>
public Encoding GetEncoding()
{
var charset = Charset;
if (charset != null)
{
charset = charset.Trim();
if (TextEncoding.IsSupported(charset))
{
return(TextEncoding.Resolve(charset));
}
}
var equiv = HttpEquivalent;
if (equiv != null && equiv.Equals(HeaderNames.ContentType, StringComparison.OrdinalIgnoreCase))
{
return(TextEncoding.Parse(Content ?? String.Empty));
}
return(null);
}
