pjs/xpcom/glue/standalone/nsXPCOMGlue.cpp

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: NPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Netscape Public License
* Version 1.1 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the NPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the NPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "nspr.h"
#include "prlink.h"
#include "nsMemory.h"
#include "nsXPCOMPrivate.h"
#include "nsGREDirServiceProvider.h"
static PRLibrary *xpcomLib = nsnull;
static XPCOMFunctions *xpcomFunctions = nsnull;
static nsIMemory* xpcomMemory = nsnull;
2002-07-18 11:19:45 +04:00
//#define XPCOM_GLUE_NO_DYNAMIC_LOADING
extern nsresult GlueStartupMemory();
extern void GlueShutdownMemory();
extern "C"
nsresult NS_COM XPCOMGlueStartup(const char* xpcomFile)
{
#ifdef XPCOM_GLUE_NO_DYNAMIC_LOADING
return NS_OK;
#else
nsresult rv;
PRLibSpec libSpec;
libSpec.type = PR_LibSpec_Pathname;
if (!xpcomFile)
libSpec.value.pathname = XPCOM_DLL;
else
libSpec.value.pathname = xpcomFile;
xpcomLib = PR_LoadLibraryWithFlags(libSpec, PR_LD_LAZY|PR_LD_GLOBAL);
if (!xpcomLib)
return NS_ERROR_FAILURE;
GetFrozenFunctionsFunc function =
(GetFrozenFunctionsFunc)PR_FindSymbol(xpcomLib, "NS_GetFrozenFunctions");
if (!function) {
PR_UnloadLibrary(xpcomLib);
xpcomLib = nsnull;
return NS_ERROR_FAILURE;
}
xpcomFunctions = (XPCOMFunctions*) calloc(1, sizeof(XPCOMFunctions));
if (!xpcomFunctions){
PR_UnloadLibrary(xpcomLib);
xpcomLib = nsnull;
return NS_ERROR_FAILURE;
}
xpcomFunctions->version = XPCOM_GLUE_VERSION;
xpcomFunctions->size = sizeof(XPCOMFunctions);
rv = (*function)(xpcomFunctions, libSpec.value.pathname);
if (NS_FAILED(rv)) {
free(xpcomFunctions);
xpcomFunctions = nsnull;
PR_UnloadLibrary(xpcomLib);
xpcomLib = nsnull;
return NS_ERROR_FAILURE;
}
// startup the nsMemory
return GlueStartupMemory();
#endif
}
extern "C"
nsresult NS_COM XPCOMGlueShutdown()
{
#ifdef XPCOM_GLUE_NO_DYNAMIC_LOADING
return NS_OK;
#else
if (xpcomFunctions) {
free ((void*)xpcomFunctions);
xpcomFunctions = nsnull;
}
GlueShutdownMemory();
if (xpcomLib) {
PR_UnloadLibrary(xpcomLib);
xpcomLib = nsnull;
}
return NS_OK;
#endif
}
#ifndef XPCOM_GLUE_NO_DYNAMIC_LOADING
extern "C" NS_COM nsresult
NS_InitXPCOM2(nsIServiceManager* *result,
nsIFile* binDirectory,
nsIDirectoryServiceProvider* appFileLocationProvider)
{
if (!xpcomFunctions)
return NS_ERROR_NOT_INITIALIZED;
return xpcomFunctions->init(result, binDirectory, appFileLocationProvider);
}
extern "C" NS_COM nsresult
NS_ShutdownXPCOM(nsIServiceManager* servMgr)
{
if (!xpcomFunctions)
return NS_ERROR_NOT_INITIALIZED;
return xpcomFunctions->shutdown(servMgr);
}
extern "C" NS_COM nsresult
NS_GetServiceManager(nsIServiceManager* *result)
{
if (!xpcomFunctions)
return NS_ERROR_NOT_INITIALIZED;
return xpcomFunctions->getServiceManager(result);
}
extern "C" NS_COM nsresult
NS_GetComponentManager(nsIComponentManager* *result)
{
if (!xpcomFunctions)
return NS_ERROR_NOT_INITIALIZED;
return xpcomFunctions->getComponentManager(result);
}
extern "C" NS_COM nsresult
NS_GetComponentRegistrar(nsIComponentRegistrar* *result)
{
if (!xpcomFunctions)
return NS_ERROR_NOT_INITIALIZED;
return xpcomFunctions->getComponentRegistrar(result);
}
extern "C" NS_COM nsresult
NS_GetMemoryManager(nsIMemory* *result)
{
if (!xpcomFunctions)
return NS_ERROR_NOT_INITIALIZED;
return xpcomFunctions->getMemoryManager(result);
}
extern "C" NS_COM nsresult
NS_NewLocalFile(const nsAString &path, PRBool followLinks, nsILocalFile* *result)
{
if (!xpcomFunctions)
return NS_ERROR_NOT_INITIALIZED;
return xpcomFunctions->newLocalFile(path, followLinks, result);
}
extern "C" NS_COM nsresult
NS_NewNativeLocalFile(const nsACString &path, PRBool followLinks, nsILocalFile* *result)
{
if (!xpcomFunctions)
return NS_ERROR_NOT_INITIALIZED;
return xpcomFunctions->newNativeLocalFile(path, followLinks, result);
}
extern "C" NS_COM nsresult
NS_RegisterXPCOMExitRoutine(XPCOMExitRoutine exitRoutine, PRUint32 priority)
{
if (!xpcomFunctions)
return NS_ERROR_NOT_INITIALIZED;
return xpcomFunctions->registerExitRoutine(exitRoutine, priority);
}
extern "C" NS_COM nsresult
NS_UnregisterXPCOMExitRoutine(XPCOMExitRoutine exitRoutine)
{
if (!xpcomFunctions)
return NS_ERROR_NOT_INITIALIZED;
return xpcomFunctions->unregisterExitRoutine(exitRoutine);
}
#endif // #ifndef XPCOM_GLUE_NO_DYNAMIC_LOADING
// Default GRE startup/shutdown code
extern "C"
nsresult NS_COM GRE_Startup()
{
char* xpcomLocation = nsGREDirServiceProvider::GetXPCOMPath();
// Startup the XPCOM Glue that links us up with XPCOM.
nsresult rv = XPCOMGlueStartup(xpcomLocation);
if (xpcomLocation)
free(xpcomLocation);
if (NS_FAILED(rv)) {
NS_WARNING("gre: XPCOMGlueStartup failed");
return rv;
}
nsGREDirServiceProvider *provider = new nsGREDirServiceProvider();
if ( !provider ) {
NS_WARNING("GRE_Startup failed");
XPCOMGlueShutdown();
return NS_ERROR_OUT_OF_MEMORY;
}
nsCOMPtr<nsIServiceManager> servMan;
NS_ADDREF( provider );
rv = NS_InitXPCOM2(getter_AddRefs(servMan), nsnull, provider);
NS_RELEASE(provider);
if ( NS_FAILED(rv) || !servMan) {
NS_WARNING("gre: NS_InitXPCOM failed");
XPCOMGlueShutdown();
return rv;
}
return NS_OK;
}
extern "C"
nsresult NS_COM GRE_Shutdown()
{
NS_ShutdownXPCOM(nsnull);
XPCOMGlueShutdown();
return NS_OK;
}