public static LightWeightHTMLDocument FromStream(Stream stream, string url, string name)
{
if (!stream.CanSeek)
{
string filePath = TempFileManager.Instance.CreateTempFile();
using (FileStream file = new FileStream(filePath, FileMode.Open))
StreamHelper.Transfer(stream, file);
return(LightWeightHTMLDocument.FromFile(filePath, url, name));
}
else
{
Encoding currentEncoding = Encoding.Default;
LightWeightHTMLDocument lwDoc = null;
using (StreamReader reader = new StreamReader(stream, currentEncoding))
{
lwDoc = LightWeightHTMLDocument.FromString(reader.ReadToEnd(), url, name, true);
// If there is no metadata that disagrees with our encoding, just return the DOM read with default decoding
LightWeightHTMLMetaData metaData = new LightWeightHTMLMetaData(lwDoc);
if (metaData != null && metaData.Charset != null)
{
try
{
// The decoding is different than the encoding used to read this document, reread it with correct encoding
Encoding encoding = Encoding.GetEncoding(metaData.Charset);
if (encoding != currentEncoding)
{
reader.DiscardBufferedData();
stream.Seek(0, SeekOrigin.Begin);
using (StreamReader reader2 = new StreamReader(stream, encoding))
{
lwDoc = LightWeightHTMLDocument.FromString(reader2.ReadToEnd(), url, name, true);
}
}
}
catch (NotSupportedException)
{
// The encoding isn't supported on this system
}
catch (ArgumentException)
{
// The encoding isn't an encoding that the OS even knows about (its probably
// not well formatted or misspelled or something)
}
}
}
return(lwDoc);
}
}
public static LightWeightHTMLDocument[] GetLightWeightDocumentForFrames(IHTMLDocument2 htmlDocument)
{
ArrayList frameLightWeightDocuments = new ArrayList();
// Get the IOleContainer for the for the html document (this requires that
// the document is the root document in the browser)
IOleContainer oleContainer = (IOleContainer)htmlDocument;
IEnumUnknown enumUnknown;
// Enumerate the controls in the browser
oleContainer.EnumObjects(OLECONTF.EMBEDDINGS, out enumUnknown);
// Iterate through the controls
object unknown;
for (int i = 0; HRESULT.S_OK == enumUnknown.Next(1, out unknown, IntPtr.Zero); i++)
{
// Only subframes should cast to IWebBrowser2
IWebBrowser2 webBrowser = unknown as IWebBrowser2;
// Since it is a subframe, we can also get the base frame implementation for it
IHTMLFrameBase frameBase = unknown as IHTMLFrameBase;
// It's a frame, add this to the list!
if (webBrowser != null)
{
try
{
IHTMLDocument2 frameDocument = webBrowser.Document as IHTMLDocument2;
if (frameDocument != null)
{
LightWeightHTMLDocument document = LightWeightHTMLDocument.FromIHTMLDocument2(frameDocument, frameDocument.url, frameBase.name);
if (document != null)
{
frameLightWeightDocuments.Add(document);
}
}
}
catch (InvalidCastException)
{
string html = "<HTML></HTML>";
LightWeightHTMLDocument document = LightWeightHTMLDocument.FromString(html, webBrowser.LocationURL, webBrowser.LocationURL, true);
if (document != null)
{
frameLightWeightDocuments.Add(document);
}
}
}
}
return((LightWeightHTMLDocument[])frameLightWeightDocuments.ToArray(typeof(LightWeightHTMLDocument)));
}
public static LightWeightHTMLDocument FromString(string html, string baseUrl)
{
return(LightWeightHTMLDocument.FromString(html, baseUrl, true));
}