зеркало из https://github.com/mozilla/pjs.git
339 строки
9.9 KiB
C++
339 строки
9.9 KiB
C++
/* -*- 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 simple test program that reads in RDF/XML into an in-memory data
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source, then periodically updates it. It prints the messages
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indicating assert and unassert activity to the console.
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The program takes two parameters: the URL from which to read, and
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the poll-interval at which to re-load the .
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*/
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#include <stdlib.h>
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#include "nsCOMPtr.h"
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#include "nsIEventQueueService.h"
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#include "nsIInputStream.h"
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#include "nsIIOService.h"
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#include "nsIGenericFactory.h"
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#include "nsIRDFCompositeDataSource.h"
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#include "nsIRDFRemoteDataSource.h"
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#include "nsIRDFNode.h"
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#include "nsIRDFService.h"
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#include "nsIRDFXMLSource.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 "nsDOMCID.h" // for NS_SCRIPT_NAMESET_REGISTRY_CID
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#include "nsLayoutCID.h" // for NS_NAMESPACEMANAGER_CID
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#include "nsRDFCID.h"
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#include "nsRDFCID.h"
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#include "nsIComponentManager.h"
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#include "nsXPIDLString.h"
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#include "prthread.h"
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#include "plevent.h"
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#include "plstr.h"
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#include "nsParserCIID.h"
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#include "nsString.h"
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#if defined(XP_PC)
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#define DOM_DLL "jsdom.dll"
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#define LAYOUT_DLL "gkhtml.dll"
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#define NETLIB_DLL "netlib.dll"
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#define PARSER_DLL "gkparser.dll"
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#define RDF_DLL "rdf.dll"
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#define XPCOM_DLL "xpcom32.dll"
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#elif defined(XP_UNIX) || defined(XP_BEOS)
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#define DOM_DLL "libjsdom"MOZ_DLL_SUFFIX
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#define LAYOUT_DLL "libgklayout"MOZ_DLL_SUFFIX
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#define NETLIB_DLL "libnecko"MOZ_DLL_SUFFIX
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#define PARSER_DLL "libhtmlpars"MOZ_DLL_SUFFIX
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#define RDF_DLL "librdf"MOZ_DLL_SUFFIX
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#define XPCOM_DLL "libxpcom"MOZ_DLL_SUFFIX
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#elif defined(XP_MAC)
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#define DOM_DLL "DOM_DLL"
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#define LAYOUT_DLL "LAYOUT_DLL"
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#define NETLIB_DLL "NETLIB_DLL"
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#define PARSER_DLL "PARSER_DLL"
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#define RDF_DLL "RDF_DLL"
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#define XPCOM_DLL "XPCOM_DLL"
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#endif
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////////////////////////////////////////////////////////////////////////
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// CIDs
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// rdf
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static NS_DEFINE_CID(kRDFServiceCID, NS_RDFSERVICE_CID);
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static NS_DEFINE_CID(kRDFXMLDataSourceCID, NS_RDFXMLDATASOURCE_CID);
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// xpcom
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static NS_DEFINE_CID(kEventQueueServiceCID, NS_EVENTQUEUESERVICE_CID);
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static NS_DEFINE_CID(kGenericFactoryCID, NS_GENERICFACTORY_CID);
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////////////////////////////////////////////////////////////////////////
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// IIDs
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NS_DEFINE_IID(kIEventQueueServiceIID, NS_IEVENTQUEUESERVICE_IID);
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#include "nsIMemory.h" // for the CID
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static nsresult
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SetupRegistry(void)
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{
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// netlib
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static NS_DEFINE_CID(kIOServiceCID, NS_IOSERVICE_CID);
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nsComponentManager::RegisterComponent(kIOServiceCID, NULL, NULL, NETLIB_DLL, PR_FALSE, PR_FALSE);
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// parser
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static NS_DEFINE_CID(kParserCID, NS_PARSER_IID);
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static NS_DEFINE_CID(kWellFormedDTDCID, NS_WELLFORMEDDTD_CID);
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nsComponentManager::RegisterComponent(kParserCID, NULL, NULL, PARSER_DLL, PR_FALSE, PR_FALSE);
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nsComponentManager::RegisterComponent(kWellFormedDTDCID, NULL, NULL, PARSER_DLL, PR_FALSE, PR_FALSE);
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// layout
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static NS_DEFINE_CID(kNameSpaceManagerCID, NS_NAMESPACEMANAGER_CID);
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nsComponentManager::RegisterComponent(kNameSpaceManagerCID, NULL, NULL, LAYOUT_DLL, PR_FALSE, PR_FALSE);
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// xpcom
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static NS_DEFINE_CID(kMemoryCID, NS_MEMORY_CID);
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static NS_DEFINE_CID(kEventQueueCID, NS_EVENTQUEUE_CID);
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nsComponentManager::RegisterComponent(kEventQueueServiceCID, NULL, NULL, XPCOM_DLL, PR_FALSE, PR_FALSE);
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nsComponentManager::RegisterComponent(kEventQueueCID, NULL, NULL, XPCOM_DLL, PR_FALSE, PR_FALSE);
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nsComponentManager::RegisterComponent(kGenericFactoryCID, NULL, NULL, XPCOM_DLL, PR_FALSE, PR_FALSE);
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nsComponentManager::RegisterComponent(kMemoryCID, NULL, NULL, XPCOM_DLL, PR_FALSE, PR_FALSE);
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return NS_OK;
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}
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////////////////////////////////////////////////////////////////////////
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class Observer : public nsIRDFObserver
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{
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public:
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Observer();
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virtual ~Observer() {}
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// nsISupports interface
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NS_DECL_ISUPPORTS
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// nsIRDFObserver interface
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NS_DECL_NSIRDFOBSERVER
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};
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Observer::Observer()
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{
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NS_INIT_REFCNT();
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}
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NS_IMPL_ISUPPORTS1(Observer, nsIRDFObserver)
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static nsresult
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rdf_WriteOp(const char* aOp,
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nsIRDFResource* aSource,
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nsIRDFResource* aProperty,
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nsIRDFNode* aTarget)
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{
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nsresult rv;
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nsXPIDLCString source;
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rv = aSource->GetValue(getter_Copies(source));
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if (NS_FAILED(rv)) return rv;
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nsXPIDLCString property;
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rv = aProperty->GetValue(getter_Copies(property));
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if (NS_FAILED(rv)) return rv;
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nsCOMPtr<nsIRDFResource> resource;
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nsCOMPtr<nsIRDFLiteral> literal;
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printf("%.8s [%s]\n", aOp, (const char*) source);
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printf(" --[%s]--\n", (const char*) property);
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if ((resource = do_QueryInterface(aTarget)) != nsnull) {
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nsXPIDLCString target;
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rv = resource->GetValue(getter_Copies(target));
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if (NS_FAILED(rv)) return rv;
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printf(" ->[%s]\n", (const char*) target);
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}
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else if ((literal = do_QueryInterface(aTarget)) != nsnull) {
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nsXPIDLString target;
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rv = literal->GetValue(getter_Copies(target));
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if (NS_FAILED(rv)) return rv;
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char* p = nsAutoString(target).ToNewCString();
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if (! p)
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return NS_ERROR_OUT_OF_MEMORY;
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printf(" ->\"%s\"\n", p);
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nsCRT::free(p);
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}
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printf("\n");
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return NS_OK;
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}
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NS_IMETHODIMP
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Observer::OnAssert(nsIRDFDataSource* aDataSource,
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nsIRDFResource* aSource,
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nsIRDFResource* aProperty,
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nsIRDFNode* aTarget)
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{
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return rdf_WriteOp("assert", aSource, aProperty, aTarget);
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}
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NS_IMETHODIMP
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Observer::OnUnassert(nsIRDFDataSource* aDataSource,
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nsIRDFResource* aSource,
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nsIRDFResource* aProperty,
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nsIRDFNode* aTarget)
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{
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return rdf_WriteOp("unassert", aSource, aProperty, aTarget);
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}
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NS_IMETHODIMP
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Observer::OnChange(nsIRDFDataSource* aDataSource,
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nsIRDFResource* aSource,
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nsIRDFResource* aProperty,
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nsIRDFNode* aOldTarget,
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nsIRDFNode* aNewTarget)
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{
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nsresult rv;
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rv = rdf_WriteOp("chg-from", aSource, aProperty, aOldTarget);
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if (NS_FAILED(rv)) return rv;
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rv = rdf_WriteOp("chg-to", aSource, aProperty, aNewTarget);
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if (NS_FAILED(rv)) return rv;
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return NS_OK;
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}
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NS_IMETHODIMP
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Observer::OnMove(nsIRDFDataSource* aDataSource,
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nsIRDFResource* aOldSource,
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nsIRDFResource* aNewSource,
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nsIRDFResource* aProperty,
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nsIRDFNode* aTarget)
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{
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nsresult rv;
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rv = rdf_WriteOp("mv-from", aOldSource, aProperty, aTarget);
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if (NS_FAILED(rv)) return rv;
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rv = rdf_WriteOp("mv-to", aNewSource, aProperty, aTarget);
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if (NS_FAILED(rv)) return rv;
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return NS_OK;
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}
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NS_IMETHODIMP
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Observer::BeginUpdateBatch(nsIRDFDataSource* aDataSource)
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{
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return NS_OK;
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}
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NS_IMETHODIMP
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Observer::EndUpdateBatch(nsIRDFDataSource* aDataSource)
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{
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return NS_OK;
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}
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////////////////////////////////////////////////////////////////////////
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int
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main(int argc, char** argv)
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{
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nsresult rv;
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if (argc < 2) {
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fprintf(stderr, "usage: %s <url> [<poll-interval>]\n", argv[0]);
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return 1;
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}
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SetupRegistry();
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// Get netlib off the floor...
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NS_WITH_SERVICE(nsIEventQueueService, theEventQueueService, kEventQueueServiceCID, &rv);
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if (NS_FAILED(rv)) return rv;
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rv = theEventQueueService->CreateThreadEventQueue();
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NS_ASSERTION(NS_SUCCEEDED(rv), "unable to create thread event queue");
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if (NS_FAILED(rv)) return rv;
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// Create a stream data source and initialize it on argv[1], which
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// is hopefully a "file:" URL. (Actually, we can do _any_ kind of
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// URL, but only a "file:" URL will be written back to disk.)
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nsCOMPtr<nsIRDFDataSource> ds;
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rv = nsComponentManager::CreateInstance(kRDFXMLDataSourceCID,
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nsnull,
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NS_GET_IID(nsIRDFDataSource),
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getter_AddRefs(ds));
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NS_ASSERTION(NS_SUCCEEDED(rv), "unable to create RDF/XML data source");
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if (NS_FAILED(rv)) return rv;
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nsCOMPtr<nsIRDFRemoteDataSource> remote
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= do_QueryInterface(ds);
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if (! remote)
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return NS_ERROR_UNEXPECTED;
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rv = remote->Init(argv[1]);
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NS_ASSERTION(NS_SUCCEEDED(rv), "unable to initialize data source");
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if (NS_FAILED(rv)) return rv;
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// The do_QI() on the pointer is a hack to make sure that the new
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// object gets AddRef()-ed.
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nsCOMPtr<nsIRDFObserver> observer = do_QueryInterface(new Observer);
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if (! observer)
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return NS_ERROR_OUT_OF_MEMORY;
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rv = ds->AddObserver(observer);
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if (NS_FAILED(rv)) return rv;
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while (1) {
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// Okay, this should load the XML file...
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rv = remote->Refresh(PR_TRUE);
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NS_ASSERTION(NS_SUCCEEDED(rv), "unable to open datasource");
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if (NS_FAILED(rv)) return rv;
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if (argc <= 2)
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break;
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PRInt32 pollinterval = atol(argv[2]);
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if (! pollinterval)
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break;
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PR_Sleep(PR_SecondsToInterval(pollinterval));
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}
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return NS_OK;
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}
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