зеркало из https://github.com/mozilla/gecko-dev.git
Remove obsolete file that is no longer part of the build.
This commit is contained in:
waterson%netscape.com
Родитель
7e2567dffc
Коммит
7a041f7f12
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@ -1,670 +0,0 @@
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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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.org code.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications 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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/*
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A data source that can read itself from and write itself to an
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XUL stream.
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TO DO
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-----
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1) Write code to serialize XUL back.
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*/
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#include "nsFileSpec.h"
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#include "nsFileStream.h"
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#include "nsIDTD.h"
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#include "nsIInputStream.h"
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#include "nsINameSpaceManager.h"
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#include "nsIOutputStream.h"
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#include "nsIParser.h"
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#include "nsIRDFContentSink.h"
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#include "nsIRDFNode.h"
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#include "nsIRDFService.h"
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#include "nsIRDFDataSource.h"
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#include "nsIRDFXMLDataSource.h"
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#include "nsIServiceManager.h"
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#include "nsIStreamListener.h"
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#include "nsIURL.h"
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#include "nsIIOService.h"
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#include "nsIURL.h"
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static NS_DEFINE_CID(kIOServiceCID, NS_IOSERVICE_CID);
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#include "nsLayoutCID.h" // for NS_NAMESPACEMANAGER_CID.
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#include "nsParserCIID.h"
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#include "nsRDFCID.h"
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#include "nsVoidArray.h"
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#include "plstr.h"
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#include "prio.h"
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#include "prthread.h"
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#include "rdfutil.h"
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#include "prlog.h"
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////////////////////////////////////////////////////////////////////////
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static NS_DEFINE_IID(kIDTDIID, NS_IDTD_IID);
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static NS_DEFINE_IID(kIInputStreamIID, NS_IINPUTSTREAM_IID);
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static NS_DEFINE_IID(kINameSpaceManagerIID, NS_INAMESPACEMANAGER_IID);
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static NS_DEFINE_IID(kIOutputStreamIID, NS_IOUTPUTSTREAM_IID);
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static NS_DEFINE_IID(kIParserIID, NS_IPARSER_IID);
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static NS_DEFINE_IID(kIRDFContentSinkIID, NS_IRDFCONTENTSINK_IID);
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static NS_DEFINE_IID(kIRDFDataSourceIID, NS_IRDFDATASOURCE_IID);
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static NS_DEFINE_IID(kIRDFLiteralIID, NS_IRDFLITERAL_IID);
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static NS_DEFINE_IID(kIRDFResourceIID, NS_IRDFRESOURCE_IID);
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static NS_DEFINE_IID(kIRDFServiceIID, NS_IRDFSERVICE_IID);
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static NS_DEFINE_IID(kIStreamListenerIID, NS_ISTREAMLISTENER_IID);
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static NS_DEFINE_IID(kISupportsIID, NS_ISUPPORTS_IID);
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static NS_DEFINE_CID(kNameSpaceManagerCID, NS_NAMESPACEMANAGER_CID);
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static NS_DEFINE_CID(kParserCID, NS_PARSER_IID); // XXX
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static NS_DEFINE_CID(kRDFInMemoryDataSourceCID, NS_RDFINMEMORYDATASOURCE_CID);
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static NS_DEFINE_CID(kRDFContentSinkCID, NS_RDFCONTENTSINK_CID);
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static NS_DEFINE_CID(kRDFServiceCID, NS_RDFSERVICE_CID);
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static NS_DEFINE_CID(kWellFormedDTDCID, NS_WELLFORMEDDTD_CID);
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static NS_DEFINE_IID(kIRDFXMLDataSourceIID, NS_IRDFXMLDATASOURCE_IID);
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static NS_DEFINE_IID(kXULContentSinkCID, NS_XULCONTENTSINK_CID);
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////////////////////////////////////////////////////////////////////////
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// Vocabulary stuff
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#include "rdf.h"
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DEFINE_RDF_VOCAB(RDF_NAMESPACE_URI, RDF, instanceOf);
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DEFINE_RDF_VOCAB(RDF_NAMESPACE_URI, RDF, nextVal);
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////////////////////////////////////////////////////////////////////////
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// XULDataSourceImpl
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class XULDataSourceImpl : public nsIRDFXMLDataSource
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{
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protected:
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struct NameSpaceMap {
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nsString URI;
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nsIAtom* Prefix;
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NameSpaceMap* Next;
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};
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nsIRDFDataSource* mInner;
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PRBool mIsSynchronous; // true if the document should be loaded synchronously
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PRBool mIsWritable; // true if the document can be written back
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PRBool mIsDirty; // true if the document should be written back
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nsVoidArray mObservers;
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char** mNamedDataSourceURIs;
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PRInt32 mNumNamedDataSourceURIs;
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nsIURI** mCSSStyleSheetURLs;
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PRInt32 mNumCSSStyleSheetURLs;
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nsIRDFResource* mRootResource;
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PRBool mIsLoading; // true while the document is loading
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NameSpaceMap* mNameSpaces;
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public:
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XULDataSourceImpl(void);
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virtual ~XULDataSourceImpl(void);
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// nsISupports
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NS_DECL_ISUPPORTS
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// nsIRDFDataSource
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NS_IMETHOD Init(const char* uri);
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NS_IMETHOD GetURI(char* *uri) {
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return mInner->GetURI(uri);
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}
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NS_IMETHOD GetSource(nsIRDFResource* property,
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nsIRDFNode* target,
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PRBool tv,
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nsIRDFResource** source) {
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return mInner->GetSource(property, target, tv, source);
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}
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NS_IMETHOD GetSources(nsIRDFResource* property,
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nsIRDFNode* target,
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PRBool tv,
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nsISimpleEnumerator** sources) {
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return mInner->GetSources(property, target, tv, sources);
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}
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NS_IMETHOD GetTarget(nsIRDFResource* source,
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nsIRDFResource* property,
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PRBool tv,
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nsIRDFNode** target) {
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return mInner->GetTarget(source, property, tv, target);
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}
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NS_IMETHOD GetTargets(nsIRDFResource* source,
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nsIRDFResource* property,
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PRBool tv,
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nsISimpleEnumerator** targets) {
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return mInner->GetTargets(source, property, tv, targets);
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}
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NS_IMETHOD Assert(nsIRDFResource* source,
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nsIRDFResource* property,
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nsIRDFNode* target,
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PRBool tv) {
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return mInner->Assert(source, property, target, tv);;
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}
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NS_IMETHOD Unassert(nsIRDFResource* source,
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nsIRDFResource* property,
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nsIRDFNode* target) {
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return mInner->Unassert(source, property, target);
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}
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NS_IMETHOD HasAssertion(nsIRDFResource* source,
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nsIRDFResource* property,
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nsIRDFNode* target,
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PRBool tv,
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PRBool* hasAssertion) {
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return mInner->HasAssertion(source, property, target, tv, hasAssertion);
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}
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NS_IMETHOD AddObserver(nsIRDFObserver* n) {
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return mInner->AddObserver(n);
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}
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NS_IMETHOD RemoveObserver(nsIRDFObserver* n) {
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return mInner->RemoveObserver(n);
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}
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NS_IMETHOD ArcLabelsIn(nsIRDFNode* node,
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nsISimpleEnumerator** labels) {
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return mInner->ArcLabelsIn(node, labels);
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}
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NS_IMETHOD ArcLabelsOut(nsIRDFResource* source,
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nsISimpleEnumerator** labels) {
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return mInner->ArcLabelsOut(source, labels);
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}
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NS_IMETHOD GetAllResources(nsISimpleEnumerator** aResult) {
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return mInner->GetAllResources(aResult);
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}
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NS_IMETHOD Flush(void);
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NS_IMETHOD GetAllCommands(nsIRDFResource* source,
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nsIEnumerator/*<nsIRDFResource>*/** commands) {
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return mInner->GetAllCommands(source, commands);
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}
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NS_IMETHOD GetAllCmds(nsIRDFResource* source,
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nsISimpleEnumerator/*<nsIRDFResource>*/** commands) {
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return mInner->GetAllCmds(source, commands);
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}
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NS_IMETHOD IsCommandEnabled(nsISupportsArray/*<nsIRDFResource>*/* aSources,
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nsIRDFResource* aCommand,
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nsISupportsArray/*<nsIRDFResource>*/* aArguments,
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PRBool* aResult) {
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return mInner->IsCommandEnabled(aSources, aCommand, aArguments, aResult);
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}
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NS_IMETHOD DoCommand(nsISupportsArray/*<nsIRDFResource>*/* aSources,
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nsIRDFResource* aCommand,
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nsISupportsArray/*<nsIRDFResource>*/* aArguments) {
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// XXX Uh oh, this could cause problems wrt. the "dirty" flag
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// if it changes the in-memory store's internal state.
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return mInner->DoCommand(aSources, aCommand, aArguments);
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}
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// nsIRDFXMLDataSource interface
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NS_IMETHOD SetSynchronous(PRBool aIsSynchronous);
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NS_IMETHOD SetReadOnly(PRBool aIsReadOnly);
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NS_IMETHOD BeginLoad(void);
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NS_IMETHOD Interrupt(void);
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NS_IMETHOD Resume(void);
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NS_IMETHOD EndLoad(void);
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NS_IMETHOD SetRootResource(nsIRDFResource* aResource);
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NS_IMETHOD GetRootResource(nsIRDFResource** aResource);
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NS_IMETHOD AddCSSStyleSheetURL(nsIURI* aStyleSheetURL);
|
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NS_IMETHOD GetCSSStyleSheetURLs(nsIURI*** aStyleSheetURLs, PRInt32* aCount);
|
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NS_IMETHOD AddNamedDataSourceURI(const char* aNamedDataSourceURI);
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NS_IMETHOD GetNamedDataSourceURIs(const char* const** aNamedDataSourceURIs, PRInt32* aCount);
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NS_IMETHOD AddNameSpace(nsIAtom* aPrefix, const nsString& aURI);
|
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NS_IMETHOD AddXMLStreamObserver(nsIRDFXMLDataSourceObserver* aObserver);
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NS_IMETHOD RemoveXMLStreamObserver(nsIRDFXMLDataSourceObserver* aObserver);
|
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};
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////////////////////////////////////////////////////////////////////////
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nsresult
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NS_NewXULDataSource(nsIRDFXMLDataSource** result)
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{
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XULDataSourceImpl* ds = new XULDataSourceImpl();
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if (! ds)
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return NS_ERROR_NULL_POINTER;
|
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*result = ds;
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NS_ADDREF(*result);
|
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return NS_OK;
|
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}
|
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XULDataSourceImpl::XULDataSourceImpl(void)
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: mIsSynchronous(PR_FALSE),
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mIsWritable(PR_TRUE),
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mIsDirty(PR_FALSE),
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mNamedDataSourceURIs(nsnull),
|
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mNumNamedDataSourceURIs(0),
|
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mCSSStyleSheetURLs(nsnull),
|
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mNumCSSStyleSheetURLs(0),
|
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mIsLoading(PR_FALSE),
|
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mNameSpaces(nsnull)
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{
|
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nsresult rv;
|
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if (NS_FAILED(rv = nsComponentManager::CreateInstance(kRDFInMemoryDataSourceCID,
|
||||
nsnull,
|
||||
kIRDFDataSourceIID,
|
||||
(void**) &mInner)))
|
||||
PR_ASSERT(0);
|
||||
|
||||
NS_INIT_REFCNT();
|
||||
}
|
||||
|
||||
|
||||
XULDataSourceImpl::~XULDataSourceImpl(void)
|
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{
|
||||
nsIRDFService* rdfService;
|
||||
if (NS_SUCCEEDED(nsServiceManager::GetService(kRDFServiceCID,
|
||||
kIRDFServiceIID,
|
||||
(nsISupports**) &rdfService))) {
|
||||
rdfService->UnregisterDataSource(this);
|
||||
nsServiceManager::ReleaseService(kRDFServiceCID, rdfService);
|
||||
}
|
||||
|
||||
Flush();
|
||||
|
||||
while (mNumNamedDataSourceURIs-- > 0) {
|
||||
delete mNamedDataSourceURIs[mNumNamedDataSourceURIs];
|
||||
}
|
||||
|
||||
delete mNamedDataSourceURIs;
|
||||
|
||||
while (mNumCSSStyleSheetURLs-- > 0) {
|
||||
NS_RELEASE(mCSSStyleSheetURLs[mNumCSSStyleSheetURLs]);
|
||||
}
|
||||
|
||||
delete mCSSStyleSheetURLs;
|
||||
|
||||
while (mNameSpaces) {
|
||||
NameSpaceMap* doomed = mNameSpaces;
|
||||
mNameSpaces = mNameSpaces->Next;
|
||||
|
||||
NS_RELEASE(doomed->Prefix);
|
||||
delete doomed;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
NS_IMPL_ADDREF(XULDataSourceImpl);
|
||||
NS_IMPL_RELEASE(XULDataSourceImpl);
|
||||
|
||||
NS_IMETHODIMP
|
||||
XULDataSourceImpl::QueryInterface(REFNSIID iid, void** result)
|
||||
{
|
||||
if (! result)
|
||||
return NS_ERROR_NULL_POINTER;
|
||||
|
||||
if (iid.Equals(kISupportsIID) ||
|
||||
iid.Equals(kIRDFDataSourceIID) ||
|
||||
iid.Equals(kIRDFXMLDataSourceIID)) {
|
||||
*result = NS_STATIC_CAST(nsIRDFDataSource*, this);
|
||||
NS_ADDREF(this);
|
||||
return NS_OK;
|
||||
}
|
||||
else {
|
||||
*result = nsnull;
|
||||
return NS_NOINTERFACE;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
NS_IMETHODIMP
|
||||
XULDataSourceImpl::Init(const char* uri)
|
||||
{
|
||||
static const char kFileURIPrefix[] = "file:";
|
||||
static const char kResourceURIPrefix[] = "resource:";
|
||||
|
||||
NS_PRECONDITION(mInner != nsnull, "not initialized");
|
||||
if (! mInner)
|
||||
return NS_ERROR_OUT_OF_MEMORY;
|
||||
|
||||
nsresult rv;
|
||||
|
||||
// XXX this is a hack: any "file:" URI is considered writable. All
|
||||
// others are considered read-only.
|
||||
if (PL_strncmp(uri, kFileURIPrefix, sizeof(kFileURIPrefix) - 1) != 0)
|
||||
mIsWritable = PR_FALSE;
|
||||
|
||||
nsIRDFService* rdfService = nsnull;
|
||||
nsINameSpaceManager* ns = nsnull;
|
||||
nsIRDFContentSink* sink = nsnull;
|
||||
nsIParser* parser = nsnull;
|
||||
nsIDTD* dtd = nsnull;
|
||||
nsIStreamListener* lsnr = nsnull;
|
||||
nsIURI* url = nsnull;
|
||||
nsAutoString utf8("UTF-8");
|
||||
|
||||
NS_WITH_SERVICE(nsIIOService, service, kIOServiceCID, &rv);
|
||||
if (NS_FAILED(rv)) return rv;
|
||||
|
||||
nsIURI *uriPtr = nsnull;
|
||||
rv = service->NewURI(uri, nsnull, &uriPtr);
|
||||
if (NS_FAILED(rv)) return rv;
|
||||
|
||||
rv = uriPtr->QueryInterface(NS_GET_IID(nsIURI), (void**)&url);
|
||||
NS_RELEASE(uriPtr);
|
||||
if (NS_FAILED(rv))
|
||||
goto done;
|
||||
|
||||
if (NS_FAILED(rv = mInner->Init(uri)))
|
||||
goto done;
|
||||
|
||||
if (NS_FAILED(rv = nsServiceManager::GetService(kRDFServiceCID,
|
||||
kIRDFServiceIID,
|
||||
(nsISupports**) &rdfService)))
|
||||
goto done;
|
||||
|
||||
if (NS_FAILED(rv = rdfService->RegisterDataSource(this, PR_FALSE)))
|
||||
goto done;
|
||||
|
||||
if (NS_FAILED(rv = nsComponentManager::CreateInstance(kNameSpaceManagerCID,
|
||||
nsnull,
|
||||
kINameSpaceManagerIID,
|
||||
(void**) &ns)))
|
||||
goto done;
|
||||
|
||||
if (NS_FAILED(rv = nsComponentManager::CreateInstance(kXULContentSinkCID,
|
||||
nsnull,
|
||||
kIRDFContentSinkIID,
|
||||
(void**) &sink)))
|
||||
goto done;
|
||||
|
||||
if (NS_FAILED(sink->Init(url, ns)))
|
||||
goto done;
|
||||
|
||||
// We set the content sink's data source directly to our in-memory
|
||||
// store. This allows the initial content to be generated "directly".
|
||||
if (NS_FAILED(rv = sink->SetDataSource(this)))
|
||||
goto done;
|
||||
|
||||
if (NS_FAILED(rv = nsComponentManager::CreateInstance(kParserCID,
|
||||
nsnull,
|
||||
kIParserIID,
|
||||
(void**) &parser)))
|
||||
goto done;
|
||||
|
||||
parser->SetDocumentCharset(utf8, kCharsetFromDocTypeDefault);
|
||||
parser->SetContentSink(sink);
|
||||
|
||||
// XXX this should eventually be kRDFDTDCID (oh boy, that's a
|
||||
// pretty identifier). The RDF DTD will be a much more
|
||||
// RDF-resilient parser.
|
||||
if (NS_FAILED(rv = nsComponentManager::CreateInstance(kWellFormedDTDCID,
|
||||
nsnull,
|
||||
kIDTDIID,
|
||||
(void**) &dtd)))
|
||||
goto done;
|
||||
|
||||
parser->RegisterDTD(dtd);
|
||||
|
||||
if (NS_FAILED(rv = parser->QueryInterface(kIStreamListenerIID, (void**) &lsnr)))
|
||||
goto done;
|
||||
|
||||
if (NS_FAILED(parser->Parse(url)))
|
||||
goto done;
|
||||
|
||||
rv = NS_OpenURL(url, lsnr);
|
||||
|
||||
done:
|
||||
NS_IF_RELEASE(lsnr);
|
||||
NS_IF_RELEASE(dtd);
|
||||
NS_IF_RELEASE(parser);
|
||||
NS_IF_RELEASE(sink);
|
||||
if (rdfService) {
|
||||
nsServiceManager::ReleaseService(kRDFServiceCID, rdfService);
|
||||
rdfService = nsnull;
|
||||
}
|
||||
NS_IF_RELEASE(url);
|
||||
return rv;
|
||||
}
|
||||
|
||||
|
||||
NS_IMETHODIMP
|
||||
XULDataSourceImpl::Flush(void)
|
||||
{
|
||||
NS_NOTYETIMPLEMENTED("write me!");
|
||||
return NS_ERROR_NOT_IMPLEMENTED;
|
||||
}
|
||||
|
||||
////////////////////////////////////////////////////////////////////////
|
||||
// nsIRDFXMLDataSource methods
|
||||
|
||||
NS_IMETHODIMP
|
||||
XULDataSourceImpl::SetSynchronous(PRBool aIsSynchronous)
|
||||
{
|
||||
mIsSynchronous = aIsSynchronous;
|
||||
return NS_OK;
|
||||
}
|
||||
|
||||
NS_IMETHODIMP
|
||||
XULDataSourceImpl::SetReadOnly(PRBool aIsReadOnly)
|
||||
{
|
||||
if (mIsWritable && aIsReadOnly)
|
||||
mIsWritable = PR_FALSE;
|
||||
|
||||
return NS_OK;
|
||||
}
|
||||
|
||||
NS_IMETHODIMP
|
||||
XULDataSourceImpl::BeginLoad(void)
|
||||
{
|
||||
mIsLoading = PR_TRUE;
|
||||
for (PRInt32 i = mObservers.Count() - 1; i >= 0; --i) {
|
||||
nsIRDFXMLDataSourceObserver* obs = (nsIRDFXMLDataSourceObserver*) mObservers[i];
|
||||
obs->OnBeginLoad(this);
|
||||
}
|
||||
return NS_OK;
|
||||
}
|
||||
|
||||
NS_IMETHODIMP
|
||||
XULDataSourceImpl::Interrupt(void)
|
||||
{
|
||||
for (PRInt32 i = mObservers.Count() - 1; i >= 0; --i) {
|
||||
nsIRDFXMLDataSourceObserver* obs = (nsIRDFXMLDataSourceObserver*) mObservers[i];
|
||||
obs->OnInterrupt(this);
|
||||
}
|
||||
return NS_OK;
|
||||
}
|
||||
|
||||
NS_IMETHODIMP
|
||||
XULDataSourceImpl::Resume(void)
|
||||
{
|
||||
for (PRInt32 i = mObservers.Count() - 1; i >= 0; --i) {
|
||||
nsIRDFXMLDataSourceObserver* obs = (nsIRDFXMLDataSourceObserver*) mObservers[i];
|
||||
obs->OnResume(this);
|
||||
}
|
||||
return NS_OK;
|
||||
}
|
||||
|
||||
NS_IMETHODIMP
|
||||
XULDataSourceImpl::EndLoad(void)
|
||||
{
|
||||
mIsLoading = PR_FALSE;
|
||||
for (PRInt32 i = mObservers.Count() - 1; i >= 0; --i) {
|
||||
nsIRDFXMLDataSourceObserver* obs = (nsIRDFXMLDataSourceObserver*) mObservers[i];
|
||||
obs->OnEndLoad(this);
|
||||
}
|
||||
return NS_OK;
|
||||
}
|
||||
|
||||
NS_IMETHODIMP
|
||||
XULDataSourceImpl::SetRootResource(nsIRDFResource* aResource)
|
||||
{
|
||||
NS_PRECONDITION(aResource != nsnull, "null ptr");
|
||||
if (! aResource)
|
||||
return NS_ERROR_NULL_POINTER;
|
||||
|
||||
NS_ADDREF(aResource);
|
||||
mRootResource = aResource;
|
||||
|
||||
for (PRInt32 i = mObservers.Count() - 1; i >= 0; --i) {
|
||||
nsIRDFXMLDataSourceObserver* obs = (nsIRDFXMLDataSourceObserver*) mObservers[i];
|
||||
obs->OnRootResourceFound(this, mRootResource);
|
||||
}
|
||||
return NS_OK;
|
||||
}
|
||||
|
||||
NS_IMETHODIMP
|
||||
XULDataSourceImpl::GetRootResource(nsIRDFResource** aResource)
|
||||
{
|
||||
NS_ADDREF(mRootResource);
|
||||
*aResource = mRootResource;
|
||||
return NS_OK;
|
||||
}
|
||||
|
||||
NS_IMETHODIMP
|
||||
XULDataSourceImpl::AddCSSStyleSheetURL(nsIURI* aCSSStyleSheetURL)
|
||||
{
|
||||
NS_PRECONDITION(aCSSStyleSheetURL != nsnull, "null ptr");
|
||||
if (! aCSSStyleSheetURL)
|
||||
return NS_ERROR_NULL_POINTER;
|
||||
|
||||
nsIURI** p = new nsIURI*[mNumCSSStyleSheetURLs + 1];
|
||||
if (! p)
|
||||
return NS_ERROR_OUT_OF_MEMORY;
|
||||
|
||||
PRInt32 i;
|
||||
for (i = mNumCSSStyleSheetURLs - 1; i >= 0; --i)
|
||||
p[i] = mCSSStyleSheetURLs[i];
|
||||
|
||||
NS_ADDREF(aCSSStyleSheetURL);
|
||||
p[mNumCSSStyleSheetURLs] = aCSSStyleSheetURL;
|
||||
|
||||
++mNumCSSStyleSheetURLs;
|
||||
mCSSStyleSheetURLs = p;
|
||||
|
||||
for (i = mObservers.Count() - 1; i >= 0; --i) {
|
||||
nsIRDFXMLDataSourceObserver* obs = (nsIRDFXMLDataSourceObserver*) mObservers[i];
|
||||
obs->OnCSSStyleSheetAdded(this, aCSSStyleSheetURL);
|
||||
}
|
||||
|
||||
return NS_OK;
|
||||
}
|
||||
|
||||
NS_IMETHODIMP
|
||||
XULDataSourceImpl::GetCSSStyleSheetURLs(nsIURI*** aCSSStyleSheetURLs, PRInt32* aCount)
|
||||
{
|
||||
*aCSSStyleSheetURLs = mCSSStyleSheetURLs;
|
||||
*aCount = mNumCSSStyleSheetURLs;
|
||||
return NS_OK;
|
||||
}
|
||||
|
||||
NS_IMETHODIMP
|
||||
XULDataSourceImpl::AddNamedDataSourceURI(const char* aNamedDataSourceURI)
|
||||
{
|
||||
NS_PRECONDITION(aNamedDataSourceURI != nsnull, "null ptr");
|
||||
if (! aNamedDataSourceURI)
|
||||
return NS_ERROR_NULL_POINTER;
|
||||
|
||||
char** p = new char*[mNumNamedDataSourceURIs + 1];
|
||||
if (! p)
|
||||
return NS_ERROR_OUT_OF_MEMORY;
|
||||
|
||||
PRInt32 i;
|
||||
for (i = mNumNamedDataSourceURIs - 1; i >= 0; --i)
|
||||
p[i] = mNamedDataSourceURIs[i];
|
||||
|
||||
PRInt32 len = PL_strlen(aNamedDataSourceURI);
|
||||
char* buf = new char[len + 1];
|
||||
if (! buf) {
|
||||
delete p;
|
||||
return NS_ERROR_OUT_OF_MEMORY;
|
||||
}
|
||||
|
||||
PL_strcpy(buf, aNamedDataSourceURI);
|
||||
p[mNumNamedDataSourceURIs] = buf;
|
||||
|
||||
++mNumNamedDataSourceURIs;
|
||||
mNamedDataSourceURIs = p;
|
||||
|
||||
for (i = mObservers.Count() - 1; i >= 0; --i) {
|
||||
nsIRDFXMLDataSourceObserver* obs = (nsIRDFXMLDataSourceObserver*) mObservers[i];
|
||||
obs->OnNamedDataSourceAdded(this, aNamedDataSourceURI);
|
||||
}
|
||||
|
||||
return NS_OK;
|
||||
}
|
||||
|
||||
NS_IMETHODIMP
|
||||
XULDataSourceImpl::GetNamedDataSourceURIs(const char* const** aNamedDataSourceURIs, PRInt32* aCount)
|
||||
{
|
||||
*aNamedDataSourceURIs = mNamedDataSourceURIs;
|
||||
*aCount = mNumNamedDataSourceURIs;
|
||||
return NS_OK;
|
||||
}
|
||||
|
||||
NS_IMETHODIMP
|
||||
XULDataSourceImpl::AddNameSpace(nsIAtom* aPrefix, const nsString& aURI)
|
||||
{
|
||||
NameSpaceMap* entry;
|
||||
|
||||
// ensure that URIs are unique
|
||||
for (entry = mNameSpaces; entry != nsnull; entry = entry->Next) {
|
||||
if (aURI.Equals(entry->URI))
|
||||
return NS_OK;
|
||||
}
|
||||
|
||||
// okay, it's a new one: let's add it.
|
||||
entry = new NameSpaceMap;
|
||||
if (! entry)
|
||||
return NS_ERROR_OUT_OF_MEMORY;
|
||||
|
||||
NS_ADDREF(aPrefix);
|
||||
entry->Prefix = aPrefix;
|
||||
entry->URI = aURI;
|
||||
entry->Next = mNameSpaces;
|
||||
mNameSpaces = entry;
|
||||
return NS_OK;
|
||||
}
|
||||
|
||||
|
||||
NS_IMETHODIMP
|
||||
XULDataSourceImpl::AddXMLStreamObserver(nsIRDFXMLDataSourceObserver* aObserver)
|
||||
{
|
||||
mObservers.AppendElement(aObserver);
|
||||
return NS_OK;
|
||||
}
|
||||
|
||||
NS_IMETHODIMP
|
||||
XULDataSourceImpl::RemoveXMLStreamObserver(nsIRDFXMLDataSourceObserver* aObserver)
|
||||
{
|
||||
mObservers.RemoveElement(aObserver);
|
||||
return NS_OK;
|
||||
}
|
||||
|
||||
|
||||
Загрузка…
Ссылка в новой задаче