Mozilla/mozilla/layout/xml/document/src/nsXMLDocument.cpp

772 lines
22 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is Mozilla Communicator client code.
*
* The Initial Developer of the Original Code is Netscape Communications
* Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
* Pierre Phaneuf <pp@ludusdesign.com>
*/
#include "nsXMLDocument.h"
#include "nsWellFormedDTD.h"
#include "nsParserCIID.h"
#include "nsIParser.h"
#include "nsIXMLContent.h"
#include "nsIXMLContentSink.h"
#include "nsIPresShell.h"
#include "nsIPresContext.h"
#include "nsIContentViewerContainer.h"
#include "nsIContentViewer.h"
#include "nsIWebShell.h"
#include "nsIMarkupDocumentViewer.h"
#include "nsIDocumentLoader.h"
#include "nsIHTMLContent.h"
#include "nsHTMLParts.h"
#include "nsIHTMLStyleSheet.h"
#include "nsIHTMLCSSStyleSheet.h"
#include "nsIStyleSet.h"
#include "nsIComponentManager.h"
#include "nsIDOMComment.h"
#include "nsIDOMElement.h"
#include "nsIDOMText.h"
#include "nsIDOMCDATASection.h"
#include "nsIDOMProcessingInstruction.h"
#include "nsExpatDTD.h"
#include "nsINameSpaceManager.h"
#include "nsICSSLoader.h"
#include "nsCOMPtr.h"
#include "nsIURI.h"
#include "nsXPIDLString.h"
#include "nsIHTTPChannel.h"
#include "nsIServiceManager.h"
#include "nsICharsetAlias.h"
#include "nsIPref.h"
#include "nsICharsetDetector.h"
#include "prmem.h"
#include "prtime.h"
#include "nsIWebShellServices.h"
#include "nsICharsetDetectionAdaptor.h"
#include "nsCharsetDetectionAdaptorCID.h"
#include "nsICharsetAlias.h"
#include "nsIParserFilter.h"
// XXX The XML world depends on the html atoms
#include "nsHTMLAtoms.h"
#ifdef INCLUDE_XUL
#include "nsXULAtoms.h"
#endif
static NS_DEFINE_IID(kIDOMDocumentIID, NS_IDOMDOCUMENT_IID);
static NS_DEFINE_IID(kIDocumentIID, NS_IDOCUMENT_IID);
static NS_DEFINE_IID(kIXMLDocumentIID, NS_IXMLDOCUMENT_IID);
static NS_DEFINE_IID(kIWebShellIID, NS_IWEB_SHELL_IID);
static NS_DEFINE_IID(kIDOMCommentIID, NS_IDOMCOMMENT_IID);
static NS_DEFINE_IID(kIDOMElementIID, NS_IDOMELEMENT_IID);
static NS_DEFINE_IID(kIDOMTextIID, NS_IDOMTEXT_IID);
static NS_DEFINE_IID(kIHTMLContentContainerIID, NS_IHTMLCONTENTCONTAINER_IID);
static NS_DEFINE_IID(kIDOMNodeIID, NS_IDOMNODE_IID);
static NS_DEFINE_IID(kIDOMNodeListIID, NS_IDOMNODELIST_IID);
static NS_DEFINE_IID(kIDOMProcessingInstructionIID, NS_IDOMPROCESSINGINSTRUCTION_IID);
static NS_DEFINE_IID(kIDOMCDATASectionIID, NS_IDOMCDATASECTION_IID);
static NS_DEFINE_IID(kIContentIID, NS_ICONTENT_IID);
#define DETECTOR_PROGID_MAX 127
static char g_detector_progid[DETECTOR_PROGID_MAX + 1];
static PRBool gInitDetector = PR_FALSE;
static PRBool gPlugDetector = PR_FALSE;
static NS_DEFINE_IID(kIParserFilterIID, NS_IPARSERFILTER_IID);
// ==================================================================
// =
// ==================================================================
static int
MyPrefChangedCallback(const char*aPrefName, void* instance_data)
{
nsresult rv;
NS_WITH_SERVICE(nsIPref, prefs, "component://netscape/preferences", &rv);
char* detector_name = nsnull;
if(NS_SUCCEEDED(rv) && NS_SUCCEEDED(
rv = prefs->CopyCharPref("intl.charset.detector",
&detector_name)))
{
if(nsCRT::strlen(detector_name) > 0) {
PL_strncpy(g_detector_progid, NS_CHARSET_DETECTOR_PROGID_BASE,DETECTOR_PROGID_MAX);
PL_strncat(g_detector_progid, detector_name,DETECTOR_PROGID_MAX);
gPlugDetector = PR_TRUE;
} else {
g_detector_progid[0]=0;
gPlugDetector = PR_FALSE;
}
PR_FREEIF(detector_name);
}
return 0;
}
NS_LAYOUT nsresult
NS_NewXMLDocument(nsIDocument** aInstancePtrResult)
{
nsXMLDocument* doc = new nsXMLDocument();
if (doc == nsnull)
return NS_ERROR_OUT_OF_MEMORY;
return doc->QueryInterface(kIDocumentIID, (void**) aInstancePtrResult);
}
nsXMLDocument::nsXMLDocument()
{
mParser = nsnull;
mAttrStyleSheet = nsnull;
mInlineStyleSheet = nsnull;
mCSSLoader = nsnull;
#ifdef XSL
mTransformMediator = nsnull;
#endif
}
nsXMLDocument::~nsXMLDocument()
{
NS_IF_RELEASE(mParser);
if (nsnull != mAttrStyleSheet) {
mAttrStyleSheet->SetOwningDocument(nsnull);
NS_RELEASE(mAttrStyleSheet);
}
if (nsnull != mInlineStyleSheet) {
mInlineStyleSheet->SetOwningDocument(nsnull);
NS_RELEASE(mInlineStyleSheet);
}
if (mCSSLoader) {
mCSSLoader->DropDocumentReference();
NS_RELEASE(mCSSLoader);
}
#ifdef XSL
NS_IF_RELEASE(mTransformMediator);
#endif
}
NS_IMETHODIMP
nsXMLDocument::QueryInterface(REFNSIID aIID,
void** aInstancePtr)
{
if (NULL == aInstancePtr) {
return NS_ERROR_NULL_POINTER;
}
if (aIID.Equals(kIXMLDocumentIID)) {
NS_ADDREF_THIS();
*aInstancePtr = (void**) (nsIXMLDocument *)this;
return NS_OK;
}
if (aIID.Equals(kIHTMLContentContainerIID)) {
NS_ADDREF_THIS();
*aInstancePtr = (void**) (nsIHTMLContentContainer *)this;
return NS_OK;
}
return nsDocument::QueryInterface(aIID, aInstancePtr);
}
nsrefcnt nsXMLDocument::AddRef()
{
return nsDocument::AddRef();
}
nsrefcnt nsXMLDocument::Release()
{
return nsDocument::Release();
}
nsresult
nsXMLDocument::Reset(nsIChannel* aChannel, nsILoadGroup* aLoadGroup)
{
nsresult result = nsDocument::Reset(aChannel, aLoadGroup);
nsCOMPtr<nsIURI> aURL;
result = aChannel->GetURI(getter_AddRefs(aURL));
if (NS_FAILED(result)) return result;
if (NS_FAILED(result)) {
return result;
}
if (nsnull != mAttrStyleSheet) {
mAttrStyleSheet->SetOwningDocument(nsnull);
NS_RELEASE(mAttrStyleSheet);
}
if (nsnull != mInlineStyleSheet) {
mInlineStyleSheet->SetOwningDocument(nsnull);
NS_RELEASE(mInlineStyleSheet);
}
result = NS_NewHTMLStyleSheet(&mAttrStyleSheet, aURL, this);
if (NS_OK == result) {
AddStyleSheet(mAttrStyleSheet); // tell the world about our new style sheet
result = NS_NewHTMLCSSStyleSheet(&mInlineStyleSheet, aURL, this);
if (NS_OK == result) {
AddStyleSheet(mInlineStyleSheet); // tell the world about our new style sheet
}
}
return result;
}
NS_IMETHODIMP
nsXMLDocument::GetContentType(nsString& aContentType) const
{
// XXX Should get document type from incoming stream
aContentType.SetString("text/xml");
return NS_OK;
}
NS_IMETHODIMP
nsXMLDocument::StartDocumentLoad(const char* aCommand,
nsIChannel* aChannel,
nsILoadGroup* aLoadGroup,
nsISupports* aContainer,
nsIStreamListener **aDocListener)
{
nsresult rv = nsDocument::StartDocumentLoad(aCommand,
aChannel, aLoadGroup,
aContainer,
aDocListener);
if (NS_FAILED(rv)) {
return rv;
}
nsIWebShell* webShell = nsnull;
nsAutoString charset("UTF-8");
PRBool bIsHTML = PR_FALSE;
char* aContentType;
nsCharsetSource charsetSource = kCharsetFromDocTypeDefault;
nsCOMPtr<nsIURI> aUrl;
rv = aChannel->GetURI(getter_AddRefs(aUrl));
if (NS_FAILED(rv)) return rv;
rv = aChannel->GetContentType(&aContentType);
if (NS_SUCCEEDED(rv)) {
if ( 0 == PL_strcmp(aContentType, "text/html")) {
bIsHTML = PR_TRUE;
}
}
nsCOMPtr<nsIHTTPChannel> httpChannel = do_QueryInterface(aChannel);
if(httpChannel) {
nsIAtom* contentTypeKey = NS_NewAtom("content-type");
nsXPIDLCString contenttypeheader;
rv = httpChannel->GetResponseHeader(contentTypeKey, getter_Copies(contenttypeheader));
NS_RELEASE(contentTypeKey);
if (NS_SUCCEEDED(rv)) {
nsAutoString contentType;
contentType = contenttypeheader;
PRInt32 start = contentType.RFind("charset=", PR_TRUE ) ;
if(kNotFound != start)
{
start += 8; // 8 = "charset=".length
PRInt32 end = contentType.FindCharInSet(";\n\r ", start );
if(kNotFound == end )
end = contentType.Length();
nsAutoString theCharset;
contentType.Mid(theCharset, start, end - start);
nsICharsetAlias* calias = nsnull;
rv = nsServiceManager::GetService(
kCharsetAliasCID,
NS_GET_IID(nsICharsetAlias),
(nsISupports**) &calias);
if(NS_SUCCEEDED(rv) && (nsnull != calias) )
{
nsAutoString preferred;
rv = calias->GetPreferred(theCharset, preferred);
if(NS_SUCCEEDED(rv))
{
charset = preferred;
charsetSource = kCharsetFromHTTPHeader;
}
nsServiceManager::ReleaseService(kCharsetAliasCID, calias);
}
}
}
}
static NS_DEFINE_IID(kCParserIID, NS_IPARSER_IID);
static NS_DEFINE_IID(kCParserCID, NS_PARSER_IID);
rv = nsComponentManager::CreateInstance(kCParserCID,
nsnull,
kCParserIID,
(void **)&mParser);
if (NS_OK == rv) {
nsIXMLContentSink* sink;
if (aContainer)
rv = aContainer->QueryInterface(kIWebShellIID, (void**)&webShell);
else rv = NS_NewXMLContentSink(&sink, this, aUrl, nsnull);
if(NS_SUCCEEDED(rv) && (nsnull != webShell)) {
nsCOMPtr<nsIContentViewer> cv;
webShell->GetContentViewer(getter_AddRefs(cv));
if (cv) {
nsCOMPtr<nsIMarkupDocumentViewer> muCV = do_QueryInterface(cv);
if (muCV) {
if(bIsHTML &&(0 == nsCRT::strcmp("view-source", aCommand))) { // only do this for view-source
//view source is now an XML document and we need to make provisions
//for the usual charset use when displaying those documents, this
//code mirrors nsHTMLDocument.cpp
PRUnichar* requestCharset = nsnull;
nsIParserFilter *cdetflt = nsnull;
nsCharsetSource requestCharsetSource = kCharsetUninitialized;
//need to be able to override doc charset default on user request
if( kCharsetFromDocTypeDefault == charsetSource ) // it is not from HTTP header
charsetSource = kCharsetFromWeakDocTypeDefault;
//check hint Charset (is this needed here?)
PRUnichar* hintCharset = nsnull;
nsCharsetSource hintSource = kCharsetUninitialized;
rv = muCV->GetHintCharacterSet(&hintCharset);
if(NS_SUCCEEDED(rv)) {
rv = muCV->GetHintCharacterSetSource((PRInt32 *)(&hintSource));
if(NS_SUCCEEDED(rv)) {
if(hintSource > charsetSource) {
charset = hintCharset;
Recycle(hintCharset);
charsetSource = hintSource;
}
if(kCharsetUninitialized != hintSource) {
muCV->SetHintCharacterSetSource((PRInt32)(kCharsetUninitialized));
}
}//hint Charset
// get user default charset
if(kCharsetFromUserDefault > charsetSource)
{
PRUnichar* defaultCharsetFromWebShell = NULL;
if (muCV) {
rv = muCV->GetDefaultCharacterSet(&defaultCharsetFromWebShell);
if(NS_SUCCEEDED(rv)) {
#ifdef DEBUG_charset
nsAutoString d(defaultCharsetFromWebShell);
char* cCharset = d.ToNewCString();
printf("From default charset, charset = %s\n", cCharset);
Recycle(cCharset);
#endif
charset = defaultCharsetFromWebShell;
Recycle(defaultCharsetFromWebShell);
charsetSource = kCharsetFromUserDefault;
}
}//user default
//user requested charset
if(NS_SUCCEEDED(rv))
{
if(requestCharsetSource > charsetSource)
{
#ifdef DEBUG_charset
nsAutoString d(requestCharset);
char* cCharset = d.ToNewCString();
printf("From request charset, charset = %s req=%d->%d\n",
cCharset, charsetSource, requestCharsetSource);
Recycle(cCharset);
#endif
charsetSource = requestCharsetSource;
charset = requestCharset;
Recycle(requestCharset);
}
}
//charset from previous loading
if(kCharsetFromPreviousLoading > charsetSource)
{
PRUnichar* forceCharsetFromWebShell = NULL;
if (muCV) {
rv = muCV->GetForceCharacterSet(&forceCharsetFromWebShell);
}
if(NS_SUCCEEDED(rv) && (nsnull != forceCharsetFromWebShell))
{
#ifdef DEBUG_charset
nsAutoString d(forceCharsetFromWebShell);
char* cCharset = d.ToNewCString();
printf("From force, charset = %s \n", cCharset);
Recycle(cCharset);
#endif
charset = forceCharsetFromWebShell;
Recycle(forceCharsetFromWebShell);
//TODO: we should define appropriate constant for force charset
charsetSource = kCharsetFromPreviousLoading;
}
} //previous loading
//auto-detector charset (needed here?)
nsresult rv_detect = NS_OK;
if(! gInitDetector)
{
nsCOMPtr<nsIPref> pref(do_GetService(NS_PREF_PROGID));
if(pref)
{
char* detector_name = nsnull;
if(NS_SUCCEEDED(
rv_detect = pref->CopyCharPref("intl.charset.detector",
&detector_name)))
{
PL_strncpy(g_detector_progid, NS_CHARSET_DETECTOR_PROGID_BASE,DETECTOR_PROGID_MAX);
PL_strncat(g_detector_progid, detector_name,DETECTOR_PROGID_MAX);
gPlugDetector = PR_TRUE;
PR_FREEIF(detector_name);
}
pref->RegisterCallback("intl.charset.detector", MyPrefChangedCallback, nsnull);
}
gInitDetector = PR_TRUE;
}
//auto-detector charset (needed here?)
if((kCharsetFromAutoDetection > charsetSource ) && gPlugDetector)
{
// we could do charset detection
nsICharsetDetector *cdet = nsnull;
nsIWebShellServices *wss = nsnull;
nsICharsetDetectionAdaptor *adp = nsnull;
if(NS_SUCCEEDED( rv_detect =
nsComponentManager::CreateInstance(g_detector_progid, nsnull,
NS_GET_IID(nsICharsetDetector), (void**)&cdet)))
{
if(NS_SUCCEEDED( rv_detect =
nsComponentManager::CreateInstance(
NS_CHARSET_DETECTION_ADAPTOR_PROGID, nsnull,
kIParserFilterIID, (void**)&cdetflt)))
{
if(cdetflt &&
NS_SUCCEEDED( rv_detect=
cdetflt->QueryInterface(
NS_GET_IID(nsICharsetDetectionAdaptor),(void**) &adp)))
{
if( NS_SUCCEEDED( rv_detect=
webShell->QueryInterface(
NS_GET_IID(nsIWebShellServices),(void**) &wss)))
{
rv_detect = adp->Init(wss, cdet, (nsIDocument*)this,
mParser, charset.GetUnicode(),aCommand);
nsIParserFilter *oldFilter = nsnull;
if(cdetflt)
oldFilter = mParser->SetParserFilter(cdetflt);
NS_IF_RELEASE(oldFilter);
NS_IF_RELEASE(cdetflt);
}
}
}
}
else
{
// IF we cannot create the detector, don't bother to
// create one next time.
gPlugDetector = PR_FALSE;
}
NS_IF_RELEASE(wss);
NS_IF_RELEASE(cdet);
NS_IF_RELEASE(adp);
// NO NS_IF_RELEASE(cdetflt); here, do it after mParser->SetParserFilter
}
}
} //charset selection for view source only
}
}
}
if(NS_SUCCEEDED(rv))
rv = NS_NewXMLContentSink(&sink, this, aUrl, webShell);
NS_IF_RELEASE(webShell);
}
if (NS_OK == rv) {
// Set the parser as the stream listener for the document loader...
static NS_DEFINE_IID(kIStreamListenerIID, NS_ISTREAMLISTENER_IID);
rv = mParser->QueryInterface(kIStreamListenerIID, (void**)aDocListener);
if (NS_OK == rv) {
mParser->SetDocumentCharset(charset, charsetSource);
mParser->SetCommand(aCommand);
mParser->SetContentSink(sink);
mParser->Parse(aUrl, nsnull, PR_FALSE, (void *)this);
}
NS_RELEASE(sink);
}
}
return rv;
}
NS_IMETHODIMP
nsXMLDocument::EndLoad()
{
NS_IF_RELEASE(mParser);
return nsDocument::EndLoad();
}
NS_IMETHODIMP
nsXMLDocument::GetAttributeStyleSheet(nsIHTMLStyleSheet** aResult)
{
NS_PRECONDITION(nsnull != aResult, "null ptr");
if (nsnull == aResult) {
return NS_ERROR_NULL_POINTER;
}
*aResult = mAttrStyleSheet;
if (nsnull == mAttrStyleSheet) {
return NS_ERROR_NOT_AVAILABLE; // probably not the right error...
}
else {
NS_ADDREF(mAttrStyleSheet);
}
return NS_OK;
}
NS_IMETHODIMP
nsXMLDocument::GetInlineStyleSheet(nsIHTMLCSSStyleSheet** aResult)
{
NS_PRECONDITION(nsnull != aResult, "null ptr");
if (nsnull == aResult) {
return NS_ERROR_NULL_POINTER;
}
*aResult = mInlineStyleSheet;
if (nsnull == mInlineStyleSheet) {
return NS_ERROR_NOT_AVAILABLE; // probably not the right error...
}
else {
NS_ADDREF(mInlineStyleSheet);
}
return NS_OK;
}
void nsXMLDocument::InternalAddStyleSheet(nsIStyleSheet* aSheet) // subclass hook for sheet ordering
{
if (aSheet == mAttrStyleSheet) { // always first
mStyleSheets.InsertElementAt(aSheet, 0);
}
else if (aSheet == mInlineStyleSheet) { // always last
mStyleSheets.AppendElement(aSheet);
}
else {
if (mInlineStyleSheet == mStyleSheets.ElementAt(mStyleSheets.Count() - 1)) {
// keep attr sheet last
mStyleSheets.InsertElementAt(aSheet, mStyleSheets.Count() - 1);
}
else {
mStyleSheets.AppendElement(aSheet);
}
}
}
void
nsXMLDocument::InternalInsertStyleSheetAt(nsIStyleSheet* aSheet, PRInt32 aIndex)
{
mStyleSheets.InsertElementAt(aSheet, aIndex + 1); // offset one for the attr style sheet
}
// nsIDOMDocument interface
NS_IMETHODIMP
nsXMLDocument::GetDoctype(nsIDOMDocumentType** aDocumentType)
{
// XXX TBI
*aDocumentType = nsnull;
return NS_OK;
}
NS_IMETHODIMP
nsXMLDocument::CreateCDATASection(const nsString& aData, nsIDOMCDATASection** aReturn)
{
nsIContent* content;
nsresult rv = NS_NewXMLCDATASection(&content);
if (NS_OK == rv) {
rv = content->QueryInterface(kIDOMCDATASectionIID, (void**)aReturn);
(*aReturn)->AppendData(aData);
NS_RELEASE(content);
}
return rv;
}
NS_IMETHODIMP
nsXMLDocument::CreateEntityReference(const nsString& aName, nsIDOMEntityReference** aReturn)
{
*aReturn = nsnull;
return NS_OK;
}
NS_IMETHODIMP
nsXMLDocument::CreateProcessingInstruction(const nsString& aTarget,
const nsString& aData,
nsIDOMProcessingInstruction** aReturn)
{
nsIContent* content;
nsresult rv = NS_NewXMLProcessingInstruction(&content, aTarget, aData);
if (NS_OK != rv) {
return rv;
}
rv = content->QueryInterface(kIDOMProcessingInstructionIID, (void**)aReturn);
NS_RELEASE(content);
return rv;
}
NS_IMETHODIMP
nsXMLDocument::CreateElement(const nsString& aTagName,
nsIDOMElement** aReturn)
{
nsIXMLContent* content;
nsIAtom* tag = NS_NewAtom(aTagName);
nsresult rv = NS_NewXMLElement(&content, tag);
NS_RELEASE(tag);
if (NS_OK != rv) {
return rv;
}
rv = content->QueryInterface(kIDOMElementIID, (void**)aReturn);
NS_RELEASE(content);
return rv;
}
NS_IMETHODIMP
nsXMLDocument::CreateElementWithNameSpace(const nsString& aTagName,
const nsString& aNameSpace,
nsIDOMElement** aReturn)
{
PRInt32 namespaceID = kNameSpaceID_None;
nsresult rv = NS_OK;
if ((0 < aNameSpace.Length() && (nsnull != mNameSpaceManager))) {
mNameSpaceManager->GetNameSpaceID(aNameSpace, namespaceID);
}
nsIContent* content;
if (namespaceID == kNameSpaceID_HTML) {
nsIHTMLContent* htmlContent;
rv = NS_CreateHTMLElement(&htmlContent, aTagName);
content = (nsIContent*)htmlContent;
}
else {
nsIXMLContent* xmlContent;
nsIAtom* tag;
tag = NS_NewAtom(aTagName);
rv = NS_NewXMLElement(&xmlContent, tag);
NS_RELEASE(tag);
if (NS_OK == rv) {
xmlContent->SetNameSpaceID(namespaceID);
}
content = (nsIXMLContent*)xmlContent;
}
if (NS_OK != rv) {
return rv;
}
rv = content->QueryInterface(kIDOMElementIID, (void**)aReturn);
return rv;
}
// nsIXMLDocument interface
static nsIContent *
MatchName(nsIContent *aContent, const nsString& aName)
{
nsAutoString value;
nsIContent *result = nsnull;
PRInt32 ns;
aContent->GetNameSpaceID(ns);
if (kNameSpaceID_HTML == ns) {
if ((NS_CONTENT_ATTR_HAS_VALUE == aContent->GetAttribute(kNameSpaceID_None, nsHTMLAtoms::id, value)) &&
aName.Equals(value)) {
return aContent;
}
else if ((NS_CONTENT_ATTR_HAS_VALUE == aContent->GetAttribute(kNameSpaceID_None, nsHTMLAtoms::name, value)) &&
aName.Equals(value)) {
return aContent;
}
}
PRInt32 i, count;
aContent->ChildCount(count);
for (i = 0; i < count && result == nsnull; i++) {
nsIContent *child;
aContent->ChildAt(i, child);
result = MatchName(child, aName);
NS_RELEASE(child);
}
return result;
}
NS_IMETHODIMP
nsXMLDocument::GetContentById(const nsString& aName, nsIContent** aContent)
{
// XXX Since we don't have a validating parser, the only content
// that this applies to is HTML content.
nsIContent *content;
content = MatchName(mRootContent, aName);
NS_IF_ADDREF(content);
*aContent = content;
return NS_OK;
}
#ifdef XSL
NS_IMETHODIMP
nsXMLDocument::SetTransformMediator(nsITransformMediator* aMediator)
{
NS_ASSERTION(nsnull == mTransformMediator, "nsXMLDocument::SetTransformMediator(): \
Cannot set a second transform mediator\n");
mTransformMediator = aMediator;
NS_IF_ADDREF(mTransformMediator);
return NS_OK;
}
#endif
NS_IMETHODIMP
nsXMLDocument::GetCSSLoader(nsICSSLoader*& aLoader)
{
nsresult result = NS_OK;
if (! mCSSLoader) {
result = NS_NewCSSLoader(this, &mCSSLoader);
if (mCSSLoader) {
mCSSLoader->SetCaseSensitive(PR_TRUE);
mCSSLoader->SetQuirkMode(PR_FALSE); // No quirks in XML
}
}
aLoader = mCSSLoader;
NS_IF_ADDREF(aLoader);
return result;
}