mirror of
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289 lines
11 KiB
C++
289 lines
11 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* 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
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nsIServiceManager.h"
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#include "nsIComponentManager.h"
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#include "nsIComponentRegistrar.h"
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#include "nsIStreamConverterService.h"
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#include "nsIStreamConverter.h"
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#include "nsICategoryManager.h"
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#include "nsIFactory.h"
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#include "nsIStringStream.h"
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#include "nsCOMPtr.h"
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#include "nsNetUtil.h"
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#include "nspr.h"
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#define ASYNC_TEST // undefine this if you want to test sycnronous conversion.
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/////////////////////////////////
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// Event pump setup
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/////////////////////////////////
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#include "nsIEventQueueService.h"
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#ifdef XP_WIN
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#include <windows.h>
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#endif
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#ifdef XP_OS2
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#include <os2.h>
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#endif
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static int gKeepRunning = 0;
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static nsIEventQueue* gEventQ = nsnull;
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/////////////////////////////////
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// Event pump END
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/////////////////////////////////
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/////////////////////////////////
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// Test converters include
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/////////////////////////////////
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#include "Converters.h"
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// CID setup
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static NS_DEFINE_CID(kEventQueueServiceCID, NS_EVENTQUEUESERVICE_CID);
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static NS_DEFINE_CID(kStreamConverterServiceCID, NS_STREAMCONVERTERSERVICE_CID);
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////////////////////////////////////////////////////////////////////////
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// EndListener - This listener is the final one in the chain. It
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// receives the fully converted data, although it doesn't do anything with
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// the data.
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////////////////////////////////////////////////////////////////////////
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class EndListener : public nsIStreamListener {
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public:
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// nsISupports declaration
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NS_DECL_ISUPPORTS
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EndListener() {};
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// nsIStreamListener method
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NS_IMETHOD OnDataAvailable(nsIRequest* request, nsISupports *ctxt, nsIInputStream *inStr,
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PRUint32 sourceOffset, PRUint32 count)
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{
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nsresult rv;
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PRUint32 read, len;
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rv = inStr->Available(&len);
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if (NS_FAILED(rv)) return rv;
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char *buffer = (char*)nsMemory::Alloc(len + 1);
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if (!buffer) return NS_ERROR_OUT_OF_MEMORY;
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rv = inStr->Read(buffer, len, &read);
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buffer[len] = '\0';
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if (NS_SUCCEEDED(rv)) {
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printf("CONTEXT %p: Received %u bytes and the following data: \n %s\n\n", ctxt, read, buffer);
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}
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nsMemory::Free(buffer);
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return NS_OK;
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}
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// nsIRequestObserver methods
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NS_IMETHOD OnStartRequest(nsIRequest* request, nsISupports *ctxt) { return NS_OK; }
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NS_IMETHOD OnStopRequest(nsIRequest* request, nsISupports *ctxt,
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nsresult aStatus) { return NS_OK; }
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};
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NS_IMPL_ISUPPORTS1(EndListener, nsIStreamListener)
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////////////////////////////////////////////////////////////////////////
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// EndListener END
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////////////////////////////////////////////////////////////////////////
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nsresult SendData(const char * aData, nsIStreamListener* aListener, nsIRequest* request) {
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nsCOMPtr<nsIInputStream> dataStream;
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nsresult rv = NS_NewCharInputStream(getter_AddRefs(dataStream), aData);
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if (NS_FAILED(rv)) return rv;
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PRUint32 avail;
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dataStream->Available(&avail);
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return aListener->OnDataAvailable(request, nsnull, dataStream, 0, avail);
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}
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#define SEND_DATA(x) SendData(x, converterListener, request)
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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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{
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nsCOMPtr<nsIServiceManager> servMan;
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NS_InitXPCOM2(getter_AddRefs(servMan), nsnull, nsnull);
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nsCOMPtr<nsIComponentRegistrar> registrar = do_QueryInterface(servMan);
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NS_ASSERTION(registrar, "Null nsIComponentRegistrar");
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if (registrar)
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registrar->AutoRegister(nsnull);
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// Create the Event Queue for this thread...
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nsCOMPtr<nsIEventQueueService> eventQService =
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do_GetService(kEventQueueServiceCID, &rv);
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if (NS_FAILED(rv)) return rv;
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eventQService->GetThreadEventQueue(NS_CURRENT_THREAD, &gEventQ);
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nsCOMPtr<nsICategoryManager> catman =
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do_GetService(NS_CATEGORYMANAGER_CONTRACTID, &rv);
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if (NS_FAILED(rv)) return rv;
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nsXPIDLCString previous;
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///////////////////////////////////////////
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// BEGIN - Stream converter registration
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// All stream converters must register with the ComponentManager
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///////////////////////////////////////////
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// these stream converters are just for testing. running this harness
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// from the dist/bin dir will also pickup converters registered
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// in other modules (necko converters for example).
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PRUint32 converterListSize = 7;
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const char *const converterList[] = {
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"?from=a/foo&to=b/foo",
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"?from=b/foo&to=c/foo",
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"?from=b/foo&to=d/foo",
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"?from=c/foo&to=d/foo",
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"?from=d/foo&to=e/foo",
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"?from=d/foo&to=f/foo",
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"?from=t/foo&to=k/foo",
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};
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TestConverterFactory *convFactory = new TestConverterFactory(kTestConverterCID, "TestConverter", NS_ISTREAMCONVERTER_KEY);
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nsCOMPtr<nsIFactory> convFactSup(do_QueryInterface(convFactory, &rv));
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if (NS_FAILED(rv)) return rv;
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for (PRUint32 count = 0; count < converterListSize; ++count) {
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// register the TestConverter with the component manager. One contractid registration
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// per conversion pair (from - to pair).
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nsCString contractID(NS_ISTREAMCONVERTER_KEY);
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contractID.Append(converterList[count]);
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rv = registrar->RegisterFactory(kTestConverterCID,
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"TestConverter",
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contractID.get(),
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convFactSup);
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if (NS_FAILED(rv)) return rv;
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rv = catman->AddCategoryEntry(NS_ISTREAMCONVERTER_KEY, converterList[count], "x",
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PR_TRUE, PR_TRUE, getter_Copies(previous));
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if (NS_FAILED(rv)) return rv;
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}
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nsCOMPtr<nsIStreamConverterService> StreamConvService =
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do_GetService(kStreamConverterServiceCID, &rv);
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if (NS_FAILED(rv)) return rv;
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// Define the *from* content type and *to* content-type for conversion.
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static const char fromStr[] = "a/foo";
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static const char toStr[] = "c/foo";
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#ifdef ASYNC_TEST
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// ASYNCHRONOUS conversion
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// Build up a channel that represents the content we're
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// starting the transaction with.
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//
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// sample multipart mixed content-type string:
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// "multipart/x-mixed-replacE;boundary=thisrandomstring"
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#if 0
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nsCOMPtr<nsIChannel> channel;
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nsCOMPtr<nsIURI> dummyURI;
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rv = NS_NewURI(getter_AddRefs(dummyURI), "http://meaningless");
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if (NS_FAILED(rv)) return rv;
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rv = NS_NewInputStreamChannel(getter_AddRefs(channel),
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dummyURI,
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nsnull, // inStr
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"text/plain", // content-type
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-1); // XXX fix contentLength
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if (NS_FAILED(rv)) return rv;
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nsCOMPtr<nsIRequest> request(do_QueryInterface(channel));
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#endif
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nsCOMPtr<nsIRequest> request;
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// setup a listener to receive the converted data. This guy is the end
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// listener in the chain, he wants the fully converted (toType) data.
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// An example of this listener in mozilla would be the DocLoader.
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nsIStreamListener *dataReceiver = new EndListener();
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NS_ADDREF(dataReceiver);
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// setup a listener to push the data into. This listener sits inbetween the
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// unconverted data of fromType, and the final listener in the chain (in this case
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// the dataReceiver.
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nsIStreamListener *converterListener = nsnull;
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rv = StreamConvService->AsyncConvertData(fromStr, toStr,
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dataReceiver, nsnull, &converterListener);
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if (NS_FAILED(rv)) return rv;
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NS_RELEASE(dataReceiver);
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// at this point we have a stream listener to push data to, and the one
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// that will receive the converted data. Let's mimic On*() calls and get the conversion
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// going. Typically these On*() calls would be made inside their respective wrappers On*()
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// methods.
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rv = converterListener->OnStartRequest(request, nsnull);
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if (NS_FAILED(rv)) return rv;
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rv = SEND_DATA("aaa");
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if (NS_FAILED(rv)) return rv;
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rv = SEND_DATA("aaa");
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if (NS_FAILED(rv)) return rv;
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// Finish the request.
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rv = converterListener->OnStopRequest(request, nsnull, rv);
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if (NS_FAILED(rv)) return rv;
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NS_RELEASE(converterListener);
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#else
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// SYNCHRONOUS conversion
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nsCOMPtr<nsIInputStream> convertedData;
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rv = StreamConvService->Convert(inputData, fromStr, toStr,
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nsnull, getter_AddRefs(convertedData));
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if (NS_FAILED(rv)) return rv;
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#endif
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// Enter the message pump to allow the URL load to proceed.
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while ( gKeepRunning ) {
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PLEvent *gEvent;
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gEventQ->WaitForEvent(&gEvent);
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gEventQ->HandleEvent(gEvent);
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/* gKeepRunning = PR_FALSE; */
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}
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} // this scopes the nsCOMPtrs
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// no nsCOMPtrs are allowed to be alive when you call NS_ShutdownXPCOM
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NS_ShutdownXPCOM(nsnull);
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return rv;
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}
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