986 lines
29 KiB
C++
986 lines
29 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 "nsIContent.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 "nsIDocShell.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 "nsIDOMDocumentType.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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#include "nsNetUtil.h"
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#include "nsDOMError.h"
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#include "nsScriptSecurityManager.h"
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#include "nsIPrincipal.h"
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#include "nslog.h"
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NS_IMPL_LOG(nsXMLDocumentLog)
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#define PRINTF NS_LOG_PRINTF(nsXMLDocumentLog)
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#define FLUSH NS_LOG_FLUSH(nsXMLDocumentLog)
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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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#define DETECTOR_CONTRACTID_MAX 127
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static char g_detector_contractid[DETECTOR_CONTRACTID_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 const char* kLoadAsData = "loadAsData";
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// ==================================================================
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// =
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// ==================================================================
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static int PR_CALLBACK
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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, "@mozilla.org/preferences;1", &rv);
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PRUnichar* detector_name = nsnull;
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if(NS_SUCCEEDED(rv) && NS_SUCCEEDED(
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rv = prefs->GetLocalizedUnicharPref("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_contractid, NS_CHARSET_DETECTOR_CONTRACTID_BASE,DETECTOR_CONTRACTID_MAX);
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PL_strncat(g_detector_contractid, NS_ConvertUCS2toUTF8(detector_name),DETECTOR_CONTRACTID_MAX);
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gPlugDetector = PR_TRUE;
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} else {
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g_detector_contractid[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_NewDOMDocument(nsIDOMDocument** aInstancePtrResult,
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const nsAReadableString& aNamespaceURI,
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const nsAReadableString& aQualifiedName,
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nsIDOMDocumentType* aDoctype,
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nsIURI* aBaseURI)
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{
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nsresult rv;
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*aInstancePtrResult = nsnull;
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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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rv = doc->Reset(nsnull, nsnull);
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if (NS_FAILED(rv)) {
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delete doc;
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return rv;
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}
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doc->SetDocumentURL(aBaseURI);
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if (aDoctype) {
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nsCOMPtr<nsIDOMNode> tmpNode;
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doc->AppendChild(aDoctype, getter_AddRefs(tmpNode));
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}
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if (aQualifiedName.Length() > 0) {
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nsCOMPtr<nsIDOMElement> root;
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rv = doc->CreateElementNS(aNamespaceURI, aQualifiedName, getter_AddRefs(root));
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if (NS_SUCCEEDED(rv)) {
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nsCOMPtr<nsIContent> content = do_QueryInterface(root);
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doc->SetRootContent(content);
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}
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}
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return doc->QueryInterface(NS_GET_IID(nsIDOMDocument), (void**) aInstancePtrResult);
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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(NS_GET_IID(nsIDocument), (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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}
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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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}
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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(NS_GET_IID(nsIXMLDocument))) {
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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(NS_GET_IID(nsIHTMLContentContainer))) {
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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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if (NS_FAILED(result)) return result;
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nsCOMPtr<nsIURI> url;
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if (aChannel) {
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result = aChannel->GetURI(getter_AddRefs(url));
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if (NS_FAILED(result)) 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 = SetDefaultStylesheets(url);
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return result;
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}
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NS_IMETHODIMP
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nsXMLDocument::GetContentType(nsAWritableString& aContentType) const
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{
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// XXX Should get document type from incoming stream
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aContentType.Assign(NS_LITERAL_STRING("text/xml"));
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return NS_OK;
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}
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NS_IMETHODIMP
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nsXMLDocument::Load(const nsAReadableString& aUrl)
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{
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nsCOMPtr<nsIChannel> channel;
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nsCOMPtr<nsIURI> uri;
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nsresult rv;
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// Create a new URI
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rv = NS_NewURI(getter_AddRefs(uri), aUrl, mDocumentURL);
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if (NS_FAILED(rv)) return rv;
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// Get security manager, check to see if we're allowed to load this URI
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NS_WITH_SERVICE(nsIScriptSecurityManager, secMan, NS_SCRIPTSECURITYMANAGER_CONTRACTID, &rv);
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if (NS_FAILED(rv)) return rv;
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if (NS_FAILED(secMan->CheckLoadURIFromScript(nsnull, uri)))
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return NS_ERROR_FAILURE;
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// Set a principal for this document
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NS_IF_RELEASE(mPrincipal);
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rv = secMan->GetCodebasePrincipal(uri, &mPrincipal);
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if (!mPrincipal) return rv;
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// Create a channel
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rv = NS_OpenURI(getter_AddRefs(channel), uri, nsnull);
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if (NS_FAILED(rv)) return rv;
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// Prepare for loading the XML document "into oneself"
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nsCOMPtr<nsIStreamListener> listener;
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if (NS_FAILED(rv = StartDocumentLoad(kLoadAsData, channel,
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nsnull, nsnull,
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getter_AddRefs(listener),
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PR_FALSE))) {
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NS_ERROR("nsXMLDocument::Load: Failed to start the document load.");
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return rv;
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}
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// Start an asynchronous read of the XML document
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rv = channel->AsyncRead(listener, nsnull);
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return rv;
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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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PRBool aReset)
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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, aReset);
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if (NS_FAILED(rv)) {
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return rv;
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}
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nsAutoString charset; charset.AssignWithConversion("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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Recycle(aContentType);
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aContentType = nsnull;
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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.AssignWithConversion( NS_STATIC_CAST(const char*, 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 = 0;
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if(PRUnichar('"') == contentType.CharAt(start)) {
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start++;
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end = contentType.FindCharInSet("\"", start );
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if(kNotFound == end )
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end = contentType.Length();
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} else {
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end = contentType.FindCharInSet(";\n\r ", start );
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if(kNotFound == end )
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end = contentType.Length();
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}
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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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nsCOMPtr<nsIDocShell> docShell;
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if(aContainer)
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docShell = do_QueryInterface(aContainer, &rv);
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else rv = NS_NewXMLContentSink(&sink, this, aUrl, nsnull);
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if(NS_SUCCEEDED(rv) && (docShell)) {
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nsCOMPtr<nsISupportsParserBundle> parserBundle;
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nsresult result;
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parserBundle = do_QueryInterface(mParser, &result);
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if(NS_SUCCEEDED(result)) {
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// We do this to help consumers who don't have access to the webshell.
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nsAutoString theID;
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theID.AssignWithConversion("docshell");
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parserBundle->SetDataIntoBundle(theID,docShell);
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}
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nsCOMPtr<nsIContentViewer> cv;
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docShell->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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|
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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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}
|
|
if(kCharsetUninitialized != hintSource) {
|
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muCV->SetHintCharacterSetSource((PRInt32)(kCharsetUninitialized));
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}
|
|
}//hint Charset
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|
|
|
|
// get user default charset
|
|
if(kCharsetFromUserDefault > charsetSource)
|
|
{
|
|
PRUnichar* defaultCharsetFromDocShell = NULL;
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|
if (muCV) {
|
|
rv = muCV->GetDefaultCharacterSet(&defaultCharsetFromDocShell);
|
|
if(NS_SUCCEEDED(rv)) {
|
|
#ifdef DEBUG_charset
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|
nsAutoString d(defaultCharsetFromDocShell);
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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 = defaultCharsetFromDocShell;
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Recycle(defaultCharsetFromDocShell);
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charsetSource = kCharsetFromUserDefault;
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|
}
|
|
}//user default
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|
|
//user requested charset
|
|
if(NS_SUCCEEDED(rv))
|
|
{
|
|
if(requestCharsetSource > charsetSource)
|
|
{
|
|
#ifdef DEBUG_charset
|
|
nsAutoString d(requestCharset);
|
|
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);
|
|
#endif
|
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charsetSource = requestCharsetSource;
|
|
charset = requestCharset;
|
|
Recycle(requestCharset);
|
|
}
|
|
}
|
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|
|
//charset from previous loading
|
|
if(kCharsetFromPreviousLoading > charsetSource)
|
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{
|
|
PRUnichar* forceCharsetFromDocShell = NULL;
|
|
if (muCV) {
|
|
rv = muCV->GetForceCharacterSet(&forceCharsetFromDocShell);
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|
}
|
|
if(NS_SUCCEEDED(rv) && (nsnull != forceCharsetFromDocShell))
|
|
{
|
|
#ifdef DEBUG_charset
|
|
nsAutoString d(forceCharsetFromDocShell);
|
|
char* cCharset = d.ToNewCString();
|
|
PRINTF("From force, charset = %s \n", cCharset);
|
|
Recycle(cCharset);
|
|
#endif
|
|
charset = forceCharsetFromDocShell;
|
|
Recycle(forceCharsetFromDocShell);
|
|
//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_CONTRACTID));
|
|
if(pref)
|
|
{
|
|
PRUnichar* detector_name = nsnull;
|
|
if(NS_SUCCEEDED(
|
|
rv_detect = pref->GetLocalizedUnicharPref("intl.charset.detector",
|
|
&detector_name)))
|
|
{
|
|
PL_strncpy(g_detector_contractid, NS_CHARSET_DETECTOR_CONTRACTID_BASE,DETECTOR_CONTRACTID_MAX);
|
|
PL_strncat(g_detector_contractid, NS_ConvertUCS2toUTF8(detector_name),DETECTOR_CONTRACTID_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;
|
|
nsCOMPtr<nsIWebShellServices> wss;
|
|
nsICharsetDetectionAdaptor *adp = nsnull;
|
|
|
|
if(NS_SUCCEEDED( rv_detect =
|
|
nsComponentManager::CreateInstance(g_detector_contractid, nsnull,
|
|
NS_GET_IID(nsICharsetDetector), (void**)&cdet)))
|
|
{
|
|
if(NS_SUCCEEDED( rv_detect =
|
|
nsComponentManager::CreateInstance(
|
|
NS_CHARSET_DETECTION_ADAPTOR_CONTRACTID, nsnull,
|
|
NS_GET_IID(nsIParserFilter), (void**)&cdetflt)))
|
|
{
|
|
if(cdetflt &&
|
|
NS_SUCCEEDED( rv_detect=
|
|
cdetflt->QueryInterface(
|
|
NS_GET_IID(nsICharsetDetectionAdaptor),(void**) &adp)))
|
|
{
|
|
wss = do_QueryInterface(docShell,
|
|
&rv_detect);
|
|
|
|
if( NS_SUCCEEDED(rv_detect))
|
|
{
|
|
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(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))
|
|
{
|
|
nsCOMPtr<nsIWebShell> webShell(do_QueryInterface(docShell));
|
|
rv = NS_NewXMLContentSink(&sink, this, aUrl, webShell);
|
|
}
|
|
}
|
|
|
|
if (NS_OK == rv) {
|
|
// Set the parser as the stream listener for the document loader...
|
|
rv = mParser->QueryInterface(NS_GET_IID(nsIStreamListener), (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()
|
|
{
|
|
nsAutoString cmd;
|
|
if (mParser) mParser->GetCommand(cmd);
|
|
NS_IF_RELEASE(mParser);
|
|
if (cmd.EqualsWithConversion(kLoadAsData)) {
|
|
// Generate a document load event for the case when an XML document was loaded
|
|
// as pure data without any presentation attached to it.
|
|
nsCOMPtr<nsIScriptGlobalObject> scriptGlobal;
|
|
nsEventStatus status = nsEventStatus_eIgnore;
|
|
nsMouseEvent event;
|
|
event.eventStructType = NS_EVENT;
|
|
event.message = NS_PAGE_LOAD;
|
|
HandleDOMEvent(nsnull, &event, nsnull, NS_EVENT_FLAG_INIT, &status);
|
|
}
|
|
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)
|
|
{
|
|
return nsDocument::GetDoctype(aDocumentType);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsXMLDocument::CreateCDATASection(const nsAReadableString& aData, nsIDOMCDATASection** aReturn)
|
|
{
|
|
nsIContent* content;
|
|
nsresult rv = NS_NewXMLCDATASection(&content);
|
|
|
|
if (NS_OK == rv) {
|
|
rv = content->QueryInterface(NS_GET_IID(nsIDOMCDATASection), (void**)aReturn);
|
|
(*aReturn)->AppendData(aData);
|
|
NS_RELEASE(content);
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsXMLDocument::CreateEntityReference(const nsAReadableString& aName, nsIDOMEntityReference** aReturn)
|
|
{
|
|
*aReturn = nsnull;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsXMLDocument::CreateProcessingInstruction(const nsAReadableString& aTarget,
|
|
const nsAReadableString& aData,
|
|
nsIDOMProcessingInstruction** aReturn)
|
|
{
|
|
nsIContent* content;
|
|
nsresult rv = NS_NewXMLProcessingInstruction(&content, aTarget, aData);
|
|
|
|
if (NS_OK != rv) {
|
|
return rv;
|
|
}
|
|
|
|
rv = content->QueryInterface(NS_GET_IID(nsIDOMProcessingInstruction), (void**)aReturn);
|
|
NS_RELEASE(content);
|
|
|
|
return rv;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsXMLDocument::CreateElement(const nsAReadableString& aTagName,
|
|
nsIDOMElement** aReturn)
|
|
{
|
|
NS_ENSURE_ARG_POINTER(aReturn);
|
|
NS_ENSURE_TRUE(aTagName.Length(), NS_ERROR_DOM_INVALID_CHARACTER_ERR);
|
|
|
|
nsIXMLContent* content;
|
|
nsCOMPtr<nsINodeInfo> nodeInfo;
|
|
nsresult rv;
|
|
|
|
rv = mNodeInfoManager->GetNodeInfo(aTagName, nsnull, kNameSpaceID_None,
|
|
*getter_AddRefs(nodeInfo));
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
rv = NS_NewXMLElement(&content, nodeInfo);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
rv = content->QueryInterface(NS_GET_IID(nsIDOMElement), (void**)aReturn);
|
|
NS_RELEASE(content);
|
|
|
|
return rv;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsXMLDocument::CloneNode(PRBool aDeep, nsIDOMNode** aReturn)
|
|
{
|
|
NS_ENSURE_ARG_POINTER(aReturn);
|
|
*aReturn = nsnull;
|
|
|
|
nsresult rv;
|
|
nsCOMPtr<nsIDOMDocumentType> docType, newDocType;
|
|
nsCOMPtr<nsIDOMDocument> newDoc;
|
|
|
|
// Get the doctype prior to new document construction. There's no big
|
|
// advantage now to dealing with the doctype separately, but maybe one
|
|
// day we'll do something significant with the doctype on document creation.
|
|
GetDoctype(getter_AddRefs(docType));
|
|
if (docType) {
|
|
nsCOMPtr<nsIDOMNode> newDocTypeNode;
|
|
rv = docType->CloneNode(PR_TRUE, getter_AddRefs(newDocTypeNode));
|
|
if (NS_FAILED(rv)) return rv;
|
|
newDocType = do_QueryInterface(newDocTypeNode);
|
|
}
|
|
|
|
// Create an empty document
|
|
nsAutoString emptyStr;
|
|
emptyStr.Truncate();
|
|
rv = NS_NewDOMDocument(getter_AddRefs(newDoc), emptyStr, emptyStr,
|
|
newDocType, mDocumentURL);
|
|
if (NS_FAILED(rv)) return rv;
|
|
|
|
if (aDeep) {
|
|
// If there was a doctype, a new one has already been inserted into the
|
|
// new document. We might have to add nodes before it.
|
|
PRBool beforeDocType = (docType.get() != nsnull);
|
|
nsCOMPtr<nsIDOMNodeList> childNodes;
|
|
|
|
GetChildNodes(getter_AddRefs(childNodes));
|
|
if (childNodes) {
|
|
PRUint32 index, count;
|
|
childNodes->GetLength(&count);
|
|
for (index=0; index < count; index++) {
|
|
nsCOMPtr<nsIDOMNode> child;
|
|
childNodes->Item(index, getter_AddRefs(child));
|
|
if (child && (child != docType)) {
|
|
nsCOMPtr<nsIDOMNode> newChild;
|
|
rv = child->CloneNode(aDeep, getter_AddRefs(newChild));
|
|
if (NS_FAILED(rv)) return rv;
|
|
|
|
nsCOMPtr<nsIDOMNode> dummyNode;
|
|
if (beforeDocType) {
|
|
rv = newDoc->InsertBefore(newChild,
|
|
docType,
|
|
getter_AddRefs(dummyNode));
|
|
if (NS_FAILED(rv)) return NS_ERROR_FAILURE;
|
|
}
|
|
else {
|
|
rv = newDoc->AppendChild(newChild,
|
|
getter_AddRefs(dummyNode));
|
|
if (NS_FAILED(rv)) return NS_ERROR_FAILURE;
|
|
}
|
|
}
|
|
else {
|
|
beforeDocType = PR_FALSE;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return newDoc->QueryInterface(NS_GET_IID(nsIDOMNode), (void**)aReturn);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsXMLDocument::ImportNode(nsIDOMNode* aImportedNode,
|
|
PRBool aDeep,
|
|
nsIDOMNode** aReturn)
|
|
{
|
|
return nsDocument::ImportNode(aImportedNode, aDeep, aReturn);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsXMLDocument::CreateAttributeNS(const nsAReadableString& aNamespaceURI,
|
|
const nsAReadableString& aQualifiedName,
|
|
nsIDOMAttr** aReturn)
|
|
{
|
|
NS_NOTYETIMPLEMENTED("write me");
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsXMLDocument::CreateElementNS(const nsAReadableString& aNamespaceURI,
|
|
const nsAReadableString& aQualifiedName,
|
|
nsIDOMElement** aReturn)
|
|
{
|
|
nsresult rv = NS_OK;
|
|
|
|
nsCOMPtr<nsINodeInfo> nodeInfo;
|
|
rv = mNodeInfoManager->GetNodeInfo(aQualifiedName, aNamespaceURI,
|
|
*getter_AddRefs(nodeInfo));
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
PRInt32 namespaceID;
|
|
nodeInfo->GetNamespaceID(namespaceID);
|
|
|
|
nsCOMPtr<nsIContent> content;
|
|
if (namespaceID == kNameSpaceID_HTML) {
|
|
nsCOMPtr<nsIHTMLContent> htmlContent;
|
|
|
|
rv = NS_CreateHTMLElement(getter_AddRefs(htmlContent), nodeInfo);
|
|
content = do_QueryInterface(htmlContent);
|
|
}
|
|
else {
|
|
nsCOMPtr<nsIXMLContent> xmlContent;
|
|
rv = NS_NewXMLElement(getter_AddRefs(xmlContent), nodeInfo);
|
|
content = do_QueryInterface(xmlContent);
|
|
}
|
|
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
content->SetContentID(mNextContentID++);
|
|
|
|
return content->QueryInterface(NS_GET_IID(nsIDOMElement), (void**)aReturn);
|
|
}
|
|
|
|
static nsIContent *
|
|
MatchName(nsIContent *aContent, const nsAReadableString& 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;
|
|
}
|
|
}
|
|
else {
|
|
nsCOMPtr<nsIXMLContent> xmlContent = do_QueryInterface(aContent);
|
|
nsCOMPtr<nsIAtom> IDValue;
|
|
if (xmlContent && NS_SUCCEEDED(xmlContent->GetID(*getter_AddRefs(IDValue))) && IDValue) {
|
|
const PRUnichar* IDValStr = nsnull;
|
|
IDValue->GetUnicode(&IDValStr);
|
|
if (aName.Equals(IDValStr)) {
|
|
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::GetElementById(const nsAReadableString& aElementId,
|
|
nsIDOMElement** aReturn)
|
|
{
|
|
// XXX Since we don't have a validating parser, the only content
|
|
// that this applies to is HTML content.
|
|
NS_ENSURE_ARG_POINTER(aReturn);
|
|
*aReturn = nsnull;
|
|
|
|
NS_WARN_IF_FALSE(!aElementId.IsEmpty(),"getElementById(\"\"), fix caller?");
|
|
if (aElementId.IsEmpty())
|
|
return NS_OK;
|
|
|
|
// XXX For now, we do a brute force search of the content tree.
|
|
// We should come up with a more efficient solution.
|
|
nsCOMPtr<nsIContent> content = do_QueryInterface(MatchName(mRootContent,aElementId));
|
|
|
|
nsresult rv = NS_OK;
|
|
if (content) {
|
|
rv = content->QueryInterface(NS_GET_IID(nsIDOMElement),(void**)aReturn);
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
|
|
// nsIXMLDocument
|
|
NS_IMETHODIMP
|
|
nsXMLDocument::SetDefaultStylesheets(nsIURI* aUrl)
|
|
{
|
|
nsresult result = NS_OK;
|
|
if (aUrl) {
|
|
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::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;
|
|
}
|
|
|