Can you send me the the program please
Bill Phillips wrote:
> I need to parse a URL into a nsIDOMHTMLDocument. Using the code below I was
> able to successfully do that, but when I step through the nodes of the
> document and try to do a GetValue() on the text nodes I always get a blank
> line.
>
> Below is the code I'm using. If someone can see something obviously wrong
> with it please let me know. I have a standalone program that I can send
> anyone who wants to try it.
>
> Thanks for any help,
>
> Bill Phillips
>
> nsString outString;
>
> nsCOMPtr<nsIURI> url;
> rv = NS_NewURI(getter_AddRefs(url), inString.ToNewCString());
>
> nsCOMPtr<nsIInputStream> inputStream;
> rv = NS_OpenURI(getter_AddRefs(inputStream), url);
>
> NS_WITH_SERVICE(nsIWebShell, webshell, kWebShellCID, &rv);
>
> NS_WITH_SERVICE(nsIParser, parser, kCParserCID, &rv);
>
> nsCOMPtr<nsIDocument> doc;
> rv = NS_NewHTMLDocument(getter_AddRefs(doc));
>
> if (NS_FAILED(rv))
> {
> printf("Unable to create a parser : 0x%x\n", rv);
> return NS_ERROR_FAILURE;
> }
>
> nsCOMPtr<nsIHTMLContentSink> sink;
> rv = NS_NewHTMLContentSink(getter_AddRefs(sink), doc, url, webshell);
> parser->SetContentSink(sink);
>
> parser->SetContentSink(sink);
> nsCOMPtr<nsIDTD> dtd = nsnull;
> if (inType.EqualsWithConversion("text/xif"))
> rv = NS_NewXIFDTD(getter_AddRefs(dtd));
> else
> rv = NS_NewNavHTMLDTD(getter_AddRefs(dtd));
> if (NS_FAILED(rv))
> {
> printf("Couldn't create new HTML DTD: 0x%x\n", rv);
> return rv;
> }
>
> parser->RegisterDTD(dtd);
>
> rv = parser->Parse(*inputStream, NS_ConvertASCIItoUCS2("text/html"));
> if (NS_FAILED(rv))
> {
> printf("Parse() failed! 0x%x\n", rv);
> return rv;
> }
>
> nsCOMPtr<nsIDOMHTMLDocument> domdoc;
> rv = doc->QueryInterface(nsIDOMHTMLDocument::GetIID(),
> getter_AddRefs(domdoc));
> printf("Parse_URL() - after nsIDOMHTMLDocument QI result = 0x%x\n", rv);
>
> nsString title;
> domdoc->GetTitle(title);
> printf("Parse_URL() - Document title = %s\n", title.ToNewUTF8String());
>
> nsCOMPtr<nsIDOMHTMLElement> body;
> rv = domdoc->GetBody(getter_AddRefs(body));
> printf("Parse_URL() - after GetBody rv = 0x%x\n", rv);
>
> nsCOMPtr<nsIDOMNodeList> nodelist;
> rv = body->GetChildNodes(getter_AddRefs(nodelist));
> printf("Parse_URL() - after GetChildNodes rv = 0x%x\n", rv);
>
> PRUint32 numnodes;
> nodelist->GetLength(&numnodes);
> printf("Parse_URL() - Number of nodes = %d\n", numnodes);
>
> nsCOMPtr<nsIDOMNode> node;
> PRUint16 nodetype;
> for(unsigned int i = 0; i < numnodes; i++)
> {
> nodelist->Item(i, getter_AddRefs(node));
>
> node->GetNodeType(&nodetype);
> printf("Parse_URL() - Node #%d, type is %d\n", i, nodetype);
>
> if(nodetype == nsIDOMNode::TEXT_NODE)
> {
> nsAutoString nodename;
> node->GetNodeName(nodename);
> printf(" Parse_URL() - Node #%d, name is %s\n", i,
> nodename.ToNewCString());
>
> nsAutoString nodevalue;
> node->GetNodeValue(nodevalue);
> printf(" Parse_URL() - Node #%d, value is %s\n", i,
> nodevalue.ToNewCString());
> }
> }
