772 lines
22 KiB
C++
772 lines
22 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is Mozilla Communicator client code.
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*
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* The Initial Developer of the Original Code is Netscape Communications
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* Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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* Pierre Phaneuf <pp@ludusdesign.com>
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*/
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#include "nsXMLDocument.h"
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#include "nsWellFormedDTD.h"
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#include "nsParserCIID.h"
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#include "nsIParser.h"
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#include "nsIXMLContent.h"
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#include "nsIXMLContentSink.h"
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#include "nsIPresShell.h"
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#include "nsIPresContext.h"
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#include "nsIContentViewerContainer.h"
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#include "nsIContentViewer.h"
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#include "nsIWebShell.h"
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#include "nsIMarkupDocumentViewer.h"
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#include "nsIDocumentLoader.h"
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#include "nsIHTMLContent.h"
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#include "nsHTMLParts.h"
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#include "nsIHTMLStyleSheet.h"
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#include "nsIHTMLCSSStyleSheet.h"
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#include "nsIStyleSet.h"
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#include "nsIComponentManager.h"
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#include "nsIDOMComment.h"
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#include "nsIDOMElement.h"
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#include "nsIDOMText.h"
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#include "nsIDOMCDATASection.h"
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#include "nsIDOMProcessingInstruction.h"
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#include "nsExpatDTD.h"
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#include "nsINameSpaceManager.h"
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#include "nsICSSLoader.h"
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#include "nsCOMPtr.h"
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#include "nsIURI.h"
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#include "nsXPIDLString.h"
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#include "nsIHTTPChannel.h"
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#include "nsIServiceManager.h"
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#include "nsICharsetAlias.h"
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#include "nsIPref.h"
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#include "nsICharsetDetector.h"
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#include "prmem.h"
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#include "prtime.h"
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#include "nsIWebShellServices.h"
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#include "nsICharsetDetectionAdaptor.h"
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#include "nsCharsetDetectionAdaptorCID.h"
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#include "nsICharsetAlias.h"
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#include "nsIParserFilter.h"
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// XXX The XML world depends on the html atoms
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#include "nsHTMLAtoms.h"
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#ifdef INCLUDE_XUL
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#include "nsXULAtoms.h"
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#endif
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static NS_DEFINE_IID(kIDOMDocumentIID, NS_IDOMDOCUMENT_IID);
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static NS_DEFINE_IID(kIDocumentIID, NS_IDOCUMENT_IID);
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static NS_DEFINE_IID(kIXMLDocumentIID, NS_IXMLDOCUMENT_IID);
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static NS_DEFINE_IID(kIWebShellIID, NS_IWEB_SHELL_IID);
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static NS_DEFINE_IID(kIDOMCommentIID, NS_IDOMCOMMENT_IID);
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static NS_DEFINE_IID(kIDOMElementIID, NS_IDOMELEMENT_IID);
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static NS_DEFINE_IID(kIDOMTextIID, NS_IDOMTEXT_IID);
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static NS_DEFINE_IID(kIHTMLContentContainerIID, NS_IHTMLCONTENTCONTAINER_IID);
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static NS_DEFINE_IID(kIDOMNodeIID, NS_IDOMNODE_IID);
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static NS_DEFINE_IID(kIDOMNodeListIID, NS_IDOMNODELIST_IID);
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static NS_DEFINE_IID(kIDOMProcessingInstructionIID, NS_IDOMPROCESSINGINSTRUCTION_IID);
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static NS_DEFINE_IID(kIDOMCDATASectionIID, NS_IDOMCDATASECTION_IID);
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static NS_DEFINE_IID(kIContentIID, NS_ICONTENT_IID);
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#define DETECTOR_PROGID_MAX 127
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static char g_detector_progid[DETECTOR_PROGID_MAX + 1];
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static PRBool gInitDetector = PR_FALSE;
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static PRBool gPlugDetector = PR_FALSE;
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static NS_DEFINE_IID(kIParserFilterIID, NS_IPARSERFILTER_IID);
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// ==================================================================
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// =
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// ==================================================================
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static int
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MyPrefChangedCallback(const char*aPrefName, void* instance_data)
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{
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nsresult rv;
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NS_WITH_SERVICE(nsIPref, prefs, "component://netscape/preferences", &rv);
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char* detector_name = nsnull;
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if(NS_SUCCEEDED(rv) && NS_SUCCEEDED(
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rv = prefs->CopyCharPref("intl.charset.detector",
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&detector_name)))
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{
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if(nsCRT::strlen(detector_name) > 0) {
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PL_strncpy(g_detector_progid, NS_CHARSET_DETECTOR_PROGID_BASE,DETECTOR_PROGID_MAX);
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PL_strncat(g_detector_progid, detector_name,DETECTOR_PROGID_MAX);
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gPlugDetector = PR_TRUE;
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} else {
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g_detector_progid[0]=0;
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gPlugDetector = PR_FALSE;
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}
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PR_FREEIF(detector_name);
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}
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return 0;
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}
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NS_LAYOUT nsresult
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NS_NewXMLDocument(nsIDocument** aInstancePtrResult)
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{
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nsXMLDocument* doc = new nsXMLDocument();
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if (doc == nsnull)
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return NS_ERROR_OUT_OF_MEMORY;
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return doc->QueryInterface(kIDocumentIID, (void**) aInstancePtrResult);
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}
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nsXMLDocument::nsXMLDocument()
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{
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mParser = nsnull;
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mAttrStyleSheet = nsnull;
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mInlineStyleSheet = nsnull;
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mCSSLoader = nsnull;
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#ifdef XSL
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mTransformMediator = nsnull;
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#endif
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}
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nsXMLDocument::~nsXMLDocument()
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{
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NS_IF_RELEASE(mParser);
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if (nsnull != mAttrStyleSheet) {
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mAttrStyleSheet->SetOwningDocument(nsnull);
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NS_RELEASE(mAttrStyleSheet);
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}
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if (nsnull != mInlineStyleSheet) {
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mInlineStyleSheet->SetOwningDocument(nsnull);
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NS_RELEASE(mInlineStyleSheet);
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}
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if (mCSSLoader) {
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mCSSLoader->DropDocumentReference();
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NS_RELEASE(mCSSLoader);
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}
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#ifdef XSL
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NS_IF_RELEASE(mTransformMediator);
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#endif
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}
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NS_IMETHODIMP
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nsXMLDocument::QueryInterface(REFNSIID aIID,
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void** aInstancePtr)
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{
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if (NULL == aInstancePtr) {
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return NS_ERROR_NULL_POINTER;
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}
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if (aIID.Equals(kIXMLDocumentIID)) {
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NS_ADDREF_THIS();
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*aInstancePtr = (void**) (nsIXMLDocument *)this;
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return NS_OK;
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}
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if (aIID.Equals(kIHTMLContentContainerIID)) {
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NS_ADDREF_THIS();
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*aInstancePtr = (void**) (nsIHTMLContentContainer *)this;
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return NS_OK;
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}
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return nsDocument::QueryInterface(aIID, aInstancePtr);
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}
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nsrefcnt nsXMLDocument::AddRef()
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{
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return nsDocument::AddRef();
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}
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nsrefcnt nsXMLDocument::Release()
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{
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return nsDocument::Release();
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}
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nsresult
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nsXMLDocument::Reset(nsIChannel* aChannel, nsILoadGroup* aLoadGroup)
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{
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nsresult result = nsDocument::Reset(aChannel, aLoadGroup);
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nsCOMPtr<nsIURI> aURL;
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result = aChannel->GetURI(getter_AddRefs(aURL));
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if (NS_FAILED(result)) return result;
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if (NS_FAILED(result)) {
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return result;
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}
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if (nsnull != mAttrStyleSheet) {
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mAttrStyleSheet->SetOwningDocument(nsnull);
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NS_RELEASE(mAttrStyleSheet);
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}
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if (nsnull != mInlineStyleSheet) {
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mInlineStyleSheet->SetOwningDocument(nsnull);
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NS_RELEASE(mInlineStyleSheet);
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}
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result = NS_NewHTMLStyleSheet(&mAttrStyleSheet, aURL, this);
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if (NS_OK == result) {
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AddStyleSheet(mAttrStyleSheet); // tell the world about our new style sheet
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result = NS_NewHTMLCSSStyleSheet(&mInlineStyleSheet, aURL, this);
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if (NS_OK == result) {
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AddStyleSheet(mInlineStyleSheet); // tell the world about our new style sheet
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}
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}
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return result;
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}
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NS_IMETHODIMP
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nsXMLDocument::GetContentType(nsString& aContentType) const
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{
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// XXX Should get document type from incoming stream
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aContentType.SetString("text/xml");
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return NS_OK;
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}
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NS_IMETHODIMP
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nsXMLDocument::StartDocumentLoad(const char* aCommand,
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nsIChannel* aChannel,
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nsILoadGroup* aLoadGroup,
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nsISupports* aContainer,
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nsIStreamListener **aDocListener)
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{
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nsresult rv = nsDocument::StartDocumentLoad(aCommand,
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aChannel, aLoadGroup,
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aContainer,
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aDocListener);
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if (NS_FAILED(rv)) {
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return rv;
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}
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nsIWebShell* webShell = nsnull;
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nsAutoString charset("UTF-8");
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PRBool bIsHTML = PR_FALSE;
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char* aContentType;
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nsCharsetSource charsetSource = kCharsetFromDocTypeDefault;
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nsCOMPtr<nsIURI> aUrl;
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rv = aChannel->GetURI(getter_AddRefs(aUrl));
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if (NS_FAILED(rv)) return rv;
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rv = aChannel->GetContentType(&aContentType);
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if (NS_SUCCEEDED(rv)) {
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if ( 0 == PL_strcmp(aContentType, "text/html")) {
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bIsHTML = PR_TRUE;
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}
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}
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nsCOMPtr<nsIHTTPChannel> httpChannel = do_QueryInterface(aChannel);
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if(httpChannel) {
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nsIAtom* contentTypeKey = NS_NewAtom("content-type");
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nsXPIDLCString contenttypeheader;
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rv = httpChannel->GetResponseHeader(contentTypeKey, getter_Copies(contenttypeheader));
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NS_RELEASE(contentTypeKey);
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if (NS_SUCCEEDED(rv)) {
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nsAutoString contentType;
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contentType = contenttypeheader;
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PRInt32 start = contentType.RFind("charset=", PR_TRUE ) ;
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if(kNotFound != start)
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{
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start += 8; // 8 = "charset=".length
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PRInt32 end = contentType.FindCharInSet(";\n\r ", start );
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if(kNotFound == end )
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end = contentType.Length();
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nsAutoString theCharset;
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contentType.Mid(theCharset, start, end - start);
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nsICharsetAlias* calias = nsnull;
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rv = nsServiceManager::GetService(
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kCharsetAliasCID,
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NS_GET_IID(nsICharsetAlias),
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(nsISupports**) &calias);
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if(NS_SUCCEEDED(rv) && (nsnull != calias) )
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{
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nsAutoString preferred;
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rv = calias->GetPreferred(theCharset, preferred);
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if(NS_SUCCEEDED(rv))
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{
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charset = preferred;
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charsetSource = kCharsetFromHTTPHeader;
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}
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nsServiceManager::ReleaseService(kCharsetAliasCID, calias);
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}
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}
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}
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}
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static NS_DEFINE_IID(kCParserIID, NS_IPARSER_IID);
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static NS_DEFINE_IID(kCParserCID, NS_PARSER_IID);
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rv = nsComponentManager::CreateInstance(kCParserCID,
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nsnull,
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kCParserIID,
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(void **)&mParser);
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if (NS_OK == rv) {
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nsIXMLContentSink* sink;
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if (aContainer)
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rv = aContainer->QueryInterface(kIWebShellIID, (void**)&webShell);
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else rv = NS_NewXMLContentSink(&sink, this, aUrl, nsnull);
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if(NS_SUCCEEDED(rv) && (nsnull != webShell)) {
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nsCOMPtr<nsIContentViewer> cv;
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webShell->GetContentViewer(getter_AddRefs(cv));
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if (cv) {
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nsCOMPtr<nsIMarkupDocumentViewer> muCV = do_QueryInterface(cv);
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if (muCV) {
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if(bIsHTML &&(0 == nsCRT::strcmp("view-source", aCommand))) { // only do this for view-source
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//view source is now an XML document and we need to make provisions
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//for the usual charset use when displaying those documents, this
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//code mirrors nsHTMLDocument.cpp
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PRUnichar* requestCharset = nsnull;
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nsIParserFilter *cdetflt = nsnull;
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nsCharsetSource requestCharsetSource = kCharsetUninitialized;
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//need to be able to override doc charset default on user request
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if( kCharsetFromDocTypeDefault == charsetSource ) // it is not from HTTP header
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charsetSource = kCharsetFromWeakDocTypeDefault;
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//check hint Charset (is this needed here?)
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PRUnichar* hintCharset = nsnull;
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nsCharsetSource hintSource = kCharsetUninitialized;
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rv = muCV->GetHintCharacterSet(&hintCharset);
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if(NS_SUCCEEDED(rv)) {
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rv = muCV->GetHintCharacterSetSource((PRInt32 *)(&hintSource));
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if(NS_SUCCEEDED(rv)) {
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if(hintSource > charsetSource) {
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charset = hintCharset;
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Recycle(hintCharset);
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charsetSource = hintSource;
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}
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if(kCharsetUninitialized != hintSource) {
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muCV->SetHintCharacterSetSource((PRInt32)(kCharsetUninitialized));
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}
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}//hint Charset
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// get user default charset
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if(kCharsetFromUserDefault > charsetSource)
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{
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PRUnichar* defaultCharsetFromWebShell = NULL;
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if (muCV) {
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rv = muCV->GetDefaultCharacterSet(&defaultCharsetFromWebShell);
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if(NS_SUCCEEDED(rv)) {
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#ifdef DEBUG_charset
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nsAutoString d(defaultCharsetFromWebShell);
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char* cCharset = d.ToNewCString();
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printf("From default charset, charset = %s\n", cCharset);
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Recycle(cCharset);
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#endif
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charset = defaultCharsetFromWebShell;
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Recycle(defaultCharsetFromWebShell);
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charsetSource = kCharsetFromUserDefault;
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}
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}//user default
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//user requested charset
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if(NS_SUCCEEDED(rv))
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{
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if(requestCharsetSource > charsetSource)
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{
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#ifdef DEBUG_charset
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nsAutoString d(requestCharset);
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char* cCharset = d.ToNewCString();
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printf("From request charset, charset = %s req=%d->%d\n",
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cCharset, charsetSource, requestCharsetSource);
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Recycle(cCharset);
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#endif
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charsetSource = requestCharsetSource;
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charset = requestCharset;
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Recycle(requestCharset);
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}
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}
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//charset from previous loading
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if(kCharsetFromPreviousLoading > charsetSource)
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{
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PRUnichar* forceCharsetFromWebShell = NULL;
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if (muCV) {
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rv = muCV->GetForceCharacterSet(&forceCharsetFromWebShell);
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}
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if(NS_SUCCEEDED(rv) && (nsnull != forceCharsetFromWebShell))
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{
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#ifdef DEBUG_charset
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nsAutoString d(forceCharsetFromWebShell);
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char* cCharset = d.ToNewCString();
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printf("From force, charset = %s \n", cCharset);
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Recycle(cCharset);
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#endif
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charset = forceCharsetFromWebShell;
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Recycle(forceCharsetFromWebShell);
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//TODO: we should define appropriate constant for force charset
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charsetSource = kCharsetFromPreviousLoading;
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}
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} //previous loading
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//auto-detector charset (needed here?)
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nsresult rv_detect = NS_OK;
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if(! gInitDetector)
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{
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nsCOMPtr<nsIPref> pref(do_GetService(NS_PREF_PROGID));
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if(pref)
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{
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char* detector_name = nsnull;
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if(NS_SUCCEEDED(
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rv_detect = pref->CopyCharPref("intl.charset.detector",
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&detector_name)))
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{
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PL_strncpy(g_detector_progid, NS_CHARSET_DETECTOR_PROGID_BASE,DETECTOR_PROGID_MAX);
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PL_strncat(g_detector_progid, detector_name,DETECTOR_PROGID_MAX);
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gPlugDetector = PR_TRUE;
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PR_FREEIF(detector_name);
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}
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pref->RegisterCallback("intl.charset.detector", MyPrefChangedCallback, nsnull);
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}
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gInitDetector = PR_TRUE;
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}
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//auto-detector charset (needed here?)
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if((kCharsetFromAutoDetection > charsetSource ) && gPlugDetector)
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{
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// we could do charset detection
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nsICharsetDetector *cdet = nsnull;
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nsIWebShellServices *wss = nsnull;
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nsICharsetDetectionAdaptor *adp = nsnull;
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if(NS_SUCCEEDED( rv_detect =
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nsComponentManager::CreateInstance(g_detector_progid, nsnull,
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NS_GET_IID(nsICharsetDetector), (void**)&cdet)))
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{
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if(NS_SUCCEEDED( rv_detect =
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nsComponentManager::CreateInstance(
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NS_CHARSET_DETECTION_ADAPTOR_PROGID, nsnull,
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kIParserFilterIID, (void**)&cdetflt)))
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{
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if(cdetflt &&
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NS_SUCCEEDED( rv_detect=
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cdetflt->QueryInterface(
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NS_GET_IID(nsICharsetDetectionAdaptor),(void**) &adp)))
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{
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if( NS_SUCCEEDED( rv_detect=
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webShell->QueryInterface(
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NS_GET_IID(nsIWebShellServices),(void**) &wss)))
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{
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rv_detect = adp->Init(wss, cdet, (nsIDocument*)this,
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mParser, charset.GetUnicode(),aCommand);
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nsIParserFilter *oldFilter = nsnull;
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if(cdetflt)
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oldFilter = mParser->SetParserFilter(cdetflt);
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NS_IF_RELEASE(oldFilter);
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NS_IF_RELEASE(cdetflt);
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}
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}
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}
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}
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else
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{
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// IF we cannot create the detector, don't bother to
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// create one next time.
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gPlugDetector = PR_FALSE;
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}
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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;
|
|
}
|
|
|