mirror of
https://github.com/rn10950/RetroZilla.git
synced 2024-07-04 08:20:14 +02:00
521 lines
14 KiB
C++
521 lines
14 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* vim:set ts=4 sw=4 et cindent: */
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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 of the GNU General Public License Version 2 or later (the "GPL"),
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* or 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 "nsXPCOMGlue.h"
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#include "nsGlueLinking.h"
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#include "nspr.h"
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#include "nsDebug.h"
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#include "nsIServiceManager.h"
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#include "nsGREDirServiceProvider.h"
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#include "nsXPCOMPrivate.h"
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#include "nsCOMPtr.h"
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#include <stdlib.h>
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#include <stdio.h>
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#ifdef XP_WIN
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#include <windows.h>
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#include <mbstring.h>
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#include <malloc.h>
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#define snprintf _snprintf
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#endif
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// functions provided by nsDebug.cpp
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nsresult GlueStartupDebug();
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void GlueShutdownDebug();
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static XPCOMFunctions xpcomFunctions;
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extern "C"
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nsresult XPCOMGlueStartup(const char* xpcomFile)
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{
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xpcomFunctions.version = XPCOM_GLUE_VERSION;
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xpcomFunctions.size = sizeof(XPCOMFunctions);
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GetFrozenFunctionsFunc func = nsnull;
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if (!xpcomFile)
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xpcomFile = XPCOM_DLL;
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func = XPCOMGlueLoad(xpcomFile);
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if (!func)
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return NS_ERROR_FAILURE;
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nsresult rv = (*func)(&xpcomFunctions, nsnull);
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if (NS_FAILED(rv)) {
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XPCOMGlueUnload();
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return rv;
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}
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rv = GlueStartupDebug();
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if (NS_FAILED(rv)) {
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memset(&xpcomFunctions, 0, sizeof(xpcomFunctions));
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XPCOMGlueUnload();
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return rv;
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}
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return NS_OK;
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}
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#if defined(XP_WIN) || defined(XP_OS2)
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#define READ_TEXTMODE "t"
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#else
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#define READ_TEXTMODE
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#endif
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void
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XPCOMGlueLoadDependentLibs(const char *xpcomDir, DependentLibsCallback cb)
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{
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char buffer[MAXPATHLEN];
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sprintf(buffer, "%s" XPCOM_FILE_PATH_SEPARATOR XPCOM_DEPENDENT_LIBS_LIST,
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xpcomDir);
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FILE *flist = fopen(buffer, "r" READ_TEXTMODE);
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if (!flist)
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return;
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while (fgets(buffer, sizeof(buffer), flist)) {
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int l = strlen(buffer);
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// ignore empty lines and comments
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if (l == 0 || *buffer == '#')
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continue;
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// cut the trailing newline, if present
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if (buffer[l - 1] == '\n')
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buffer[l - 1] = '\0';
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char buffer2[MAXPATHLEN];
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snprintf(buffer2, sizeof(buffer2),
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"%s" XPCOM_FILE_PATH_SEPARATOR "%s",
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xpcomDir, buffer);
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cb(buffer2);
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}
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fclose(flist);
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}
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extern "C"
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nsresult XPCOMGlueShutdown()
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{
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GlueShutdownDebug();
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XPCOMGlueUnload();
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memset(&xpcomFunctions, 0, sizeof(xpcomFunctions));
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return NS_OK;
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}
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extern "C" NS_COM nsresult
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NS_InitXPCOM2(nsIServiceManager* *result,
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nsIFile* binDirectory,
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nsIDirectoryServiceProvider* appFileLocationProvider)
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{
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if (!xpcomFunctions.init)
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return NS_ERROR_NOT_INITIALIZED;
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return xpcomFunctions.init(result, binDirectory, appFileLocationProvider);
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}
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extern "C" NS_COM nsresult
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NS_InitXPCOM3(nsIServiceManager* *result,
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nsIFile* binDirectory,
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nsIDirectoryServiceProvider* appFileLocationProvider,
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nsStaticModuleInfo const *staticComponents,
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PRUint32 componentCount)
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{
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if (!xpcomFunctions.init3)
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return NS_ERROR_NOT_INITIALIZED;
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return xpcomFunctions.init3(result, binDirectory, appFileLocationProvider,
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staticComponents, componentCount);
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}
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extern "C" NS_COM nsresult
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NS_ShutdownXPCOM(nsIServiceManager* servMgr)
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{
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if (!xpcomFunctions.shutdown)
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return NS_ERROR_NOT_INITIALIZED;
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return xpcomFunctions.shutdown(servMgr);
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}
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extern "C" NS_COM nsresult
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NS_GetServiceManager(nsIServiceManager* *result)
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{
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if (!xpcomFunctions.getServiceManager)
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return NS_ERROR_NOT_INITIALIZED;
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return xpcomFunctions.getServiceManager(result);
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}
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extern "C" NS_COM nsresult
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NS_GetComponentManager(nsIComponentManager* *result)
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{
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if (!xpcomFunctions.getComponentManager)
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return NS_ERROR_NOT_INITIALIZED;
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return xpcomFunctions.getComponentManager(result);
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}
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extern "C" NS_COM nsresult
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NS_GetComponentRegistrar(nsIComponentRegistrar* *result)
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{
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if (!xpcomFunctions.getComponentRegistrar)
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return NS_ERROR_NOT_INITIALIZED;
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return xpcomFunctions.getComponentRegistrar(result);
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}
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extern "C" NS_COM nsresult
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NS_GetMemoryManager(nsIMemory* *result)
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{
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if (!xpcomFunctions.getMemoryManager)
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return NS_ERROR_NOT_INITIALIZED;
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return xpcomFunctions.getMemoryManager(result);
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}
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extern "C" NS_COM nsresult
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NS_NewLocalFile(const nsAString &path, PRBool followLinks, nsILocalFile* *result)
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{
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if (!xpcomFunctions.newLocalFile)
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return NS_ERROR_NOT_INITIALIZED;
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return xpcomFunctions.newLocalFile(path, followLinks, result);
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}
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extern "C" NS_COM nsresult
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NS_NewNativeLocalFile(const nsACString &path, PRBool followLinks, nsILocalFile* *result)
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{
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if (!xpcomFunctions.newNativeLocalFile)
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return NS_ERROR_NOT_INITIALIZED;
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return xpcomFunctions.newNativeLocalFile(path, followLinks, result);
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}
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extern "C" NS_COM nsresult
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NS_RegisterXPCOMExitRoutine(XPCOMExitRoutine exitRoutine, PRUint32 priority)
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{
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if (!xpcomFunctions.registerExitRoutine)
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return NS_ERROR_NOT_INITIALIZED;
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return xpcomFunctions.registerExitRoutine(exitRoutine, priority);
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}
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extern "C" NS_COM nsresult
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NS_UnregisterXPCOMExitRoutine(XPCOMExitRoutine exitRoutine)
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{
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if (!xpcomFunctions.unregisterExitRoutine)
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return NS_ERROR_NOT_INITIALIZED;
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return xpcomFunctions.unregisterExitRoutine(exitRoutine);
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}
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extern "C" NS_COM nsresult
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NS_GetDebug(nsIDebug* *result)
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{
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if (!xpcomFunctions.getDebug)
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return NS_ERROR_NOT_INITIALIZED;
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return xpcomFunctions.getDebug(result);
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}
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extern "C" NS_COM nsresult
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NS_GetTraceRefcnt(nsITraceRefcnt* *result)
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{
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if (!xpcomFunctions.getTraceRefcnt)
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return NS_ERROR_NOT_INITIALIZED;
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return xpcomFunctions.getTraceRefcnt(result);
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}
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extern "C" NS_COM nsresult
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NS_StringContainerInit(nsStringContainer &aStr)
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{
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if (!xpcomFunctions.stringContainerInit)
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return NS_ERROR_NOT_INITIALIZED;
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return xpcomFunctions.stringContainerInit(aStr);
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}
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extern "C" NS_COM nsresult
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NS_StringContainerInit2(nsStringContainer &aStr,
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const PRUnichar *aData,
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PRUint32 aDataLength,
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PRUint32 aFlags)
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{
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if (!xpcomFunctions.stringContainerInit2)
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return NS_ERROR_NOT_INITIALIZED;
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return xpcomFunctions.stringContainerInit2(aStr, aData, aDataLength, aFlags);
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}
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extern "C" NS_COM void
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NS_StringContainerFinish(nsStringContainer &aStr)
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{
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if (xpcomFunctions.stringContainerFinish)
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xpcomFunctions.stringContainerFinish(aStr);
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}
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extern "C" NS_COM PRUint32
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NS_StringGetData(const nsAString &aStr, const PRUnichar **aBuf, PRBool *aTerm)
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{
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if (!xpcomFunctions.stringGetData) {
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*aBuf = nsnull;
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return 0;
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}
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return xpcomFunctions.stringGetData(aStr, aBuf, aTerm);
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}
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extern "C" NS_COM PRUint32
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NS_StringGetMutableData(nsAString &aStr, PRUint32 aLen, PRUnichar **aBuf)
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{
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if (!xpcomFunctions.stringGetMutableData) {
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*aBuf = nsnull;
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return 0;
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}
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return xpcomFunctions.stringGetMutableData(aStr, aLen, aBuf);
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}
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extern "C" NS_COM PRUnichar *
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NS_StringCloneData(const nsAString &aStr)
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{
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if (!xpcomFunctions.stringCloneData)
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return nsnull;
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return xpcomFunctions.stringCloneData(aStr);
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}
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extern "C" NS_COM nsresult
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NS_StringSetData(nsAString &aStr, const PRUnichar *aBuf, PRUint32 aCount)
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{
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if (!xpcomFunctions.stringSetData)
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return NS_ERROR_NOT_INITIALIZED;
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return xpcomFunctions.stringSetData(aStr, aBuf, aCount);
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}
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extern "C" NS_COM nsresult
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NS_StringSetDataRange(nsAString &aStr, PRUint32 aCutStart, PRUint32 aCutLength,
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const PRUnichar *aBuf, PRUint32 aCount)
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{
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if (!xpcomFunctions.stringSetDataRange)
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return NS_ERROR_NOT_INITIALIZED;
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return xpcomFunctions.stringSetDataRange(aStr, aCutStart, aCutLength, aBuf, aCount);
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}
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extern "C" NS_COM nsresult
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NS_StringCopy(nsAString &aDest, const nsAString &aSrc)
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{
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if (!xpcomFunctions.stringCopy)
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return NS_ERROR_NOT_INITIALIZED;
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return xpcomFunctions.stringCopy(aDest, aSrc);
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}
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extern "C" NS_COM nsresult
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NS_CStringContainerInit(nsCStringContainer &aStr)
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{
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if (!xpcomFunctions.cstringContainerInit)
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return NS_ERROR_NOT_INITIALIZED;
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return xpcomFunctions.cstringContainerInit(aStr);
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}
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extern "C" NS_COM nsresult
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NS_CStringContainerInit2(nsCStringContainer &aStr,
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const char *aData,
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PRUint32 aDataLength,
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PRUint32 aFlags)
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{
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if (!xpcomFunctions.cstringContainerInit2)
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return NS_ERROR_NOT_INITIALIZED;
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return xpcomFunctions.cstringContainerInit2(aStr, aData, aDataLength, aFlags);
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}
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extern "C" NS_COM void
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NS_CStringContainerFinish(nsCStringContainer &aStr)
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{
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if (xpcomFunctions.cstringContainerFinish)
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xpcomFunctions.cstringContainerFinish(aStr);
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}
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extern "C" NS_COM PRUint32
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NS_CStringGetData(const nsACString &aStr, const char **aBuf, PRBool *aTerm)
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{
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if (!xpcomFunctions.cstringGetData) {
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*aBuf = nsnull;
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return 0;
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}
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return xpcomFunctions.cstringGetData(aStr, aBuf, aTerm);
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}
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extern "C" NS_COM PRUint32
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NS_CStringGetMutableData(nsACString &aStr, PRUint32 aLen, char **aBuf)
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{
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if (!xpcomFunctions.cstringGetMutableData) {
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*aBuf = nsnull;
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return 0;
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}
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return xpcomFunctions.cstringGetMutableData(aStr, aLen, aBuf);
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}
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extern "C" NS_COM char *
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NS_CStringCloneData(const nsACString &aStr)
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{
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if (!xpcomFunctions.cstringCloneData)
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return nsnull;
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return xpcomFunctions.cstringCloneData(aStr);
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}
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extern "C" NS_COM nsresult
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NS_CStringSetData(nsACString &aStr, const char *aBuf, PRUint32 aCount)
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{
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if (!xpcomFunctions.cstringSetData)
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return NS_ERROR_NOT_INITIALIZED;
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return xpcomFunctions.cstringSetData(aStr, aBuf, aCount);
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}
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extern "C" NS_COM nsresult
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NS_CStringSetDataRange(nsACString &aStr, PRUint32 aCutStart, PRUint32 aCutLength,
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const char *aBuf, PRUint32 aCount)
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{
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if (!xpcomFunctions.cstringSetDataRange)
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return NS_ERROR_NOT_INITIALIZED;
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return xpcomFunctions.cstringSetDataRange(aStr, aCutStart, aCutLength, aBuf, aCount);
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}
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extern "C" NS_COM nsresult
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NS_CStringCopy(nsACString &aDest, const nsACString &aSrc)
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{
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if (!xpcomFunctions.cstringCopy)
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return NS_ERROR_NOT_INITIALIZED;
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return xpcomFunctions.cstringCopy(aDest, aSrc);
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}
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extern "C" NS_COM nsresult
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NS_CStringToUTF16(const nsACString &aSrc, nsCStringEncoding aSrcEncoding, nsAString &aDest)
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{
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if (!xpcomFunctions.cstringToUTF16)
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return NS_ERROR_NOT_INITIALIZED;
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return xpcomFunctions.cstringToUTF16(aSrc, aSrcEncoding, aDest);
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}
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extern "C" NS_COM nsresult
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NS_UTF16ToCString(const nsAString &aSrc, nsCStringEncoding aDestEncoding, nsACString &aDest)
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{
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if (!xpcomFunctions.utf16ToCString)
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return NS_ERROR_NOT_INITIALIZED;
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return xpcomFunctions.utf16ToCString(aSrc, aDestEncoding, aDest);
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}
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extern "C" NS_COM void*
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NS_Alloc(PRSize size)
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{
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if (!xpcomFunctions.allocFunc)
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return nsnull;
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return xpcomFunctions.allocFunc(size);
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}
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extern "C" NS_COM void*
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NS_Realloc(void* ptr, PRSize size)
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{
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if (!xpcomFunctions.reallocFunc)
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return nsnull;
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return xpcomFunctions.reallocFunc(ptr, size);
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}
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extern "C" NS_COM void
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NS_Free(void* ptr)
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{
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if (xpcomFunctions.freeFunc)
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xpcomFunctions.freeFunc(ptr);
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}
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// Default GRE startup/shutdown code
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extern "C"
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nsresult GRE_Startup()
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{
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const char* xpcomLocation = GRE_GetXPCOMPath();
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// Startup the XPCOM Glue that links us up with XPCOM.
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nsresult rv = XPCOMGlueStartup(xpcomLocation);
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if (NS_FAILED(rv)) {
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NS_WARNING("gre: XPCOMGlueStartup failed");
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return rv;
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}
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#ifdef XP_WIN
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// On windows we have legacy GRE code that does not load the GRE dependent
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// libs (seamonkey GRE, not libxul)... add the GRE to the PATH.
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// See bug 301043.
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const char *lastSlash = strrchr(xpcomLocation, '\\');
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if (lastSlash) {
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int xpcomPathLen = lastSlash - xpcomLocation;
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DWORD pathLen = GetEnvironmentVariable("PATH", nsnull, 0);
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char *newPath = (char*) _alloca(xpcomPathLen + pathLen + 1);
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strncpy(newPath, xpcomLocation, xpcomPathLen);
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// in case GetEnvironmentVariable fails
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newPath[xpcomPathLen] = ';';
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newPath[xpcomPathLen + 1] = '\0';
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GetEnvironmentVariable("PATH", newPath + xpcomPathLen + 1, pathLen);
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SetEnvironmentVariable("PATH", newPath);
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}
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#endif
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nsGREDirServiceProvider *provider = new nsGREDirServiceProvider();
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if ( !provider ) {
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NS_WARNING("GRE_Startup failed");
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XPCOMGlueShutdown();
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return NS_ERROR_OUT_OF_MEMORY;
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}
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nsCOMPtr<nsIServiceManager> servMan;
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NS_ADDREF( provider );
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rv = NS_InitXPCOM2(getter_AddRefs(servMan), nsnull, provider);
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NS_RELEASE(provider);
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if ( NS_FAILED(rv) || !servMan) {
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NS_WARNING("gre: NS_InitXPCOM failed");
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XPCOMGlueShutdown();
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return rv;
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}
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return NS_OK;
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}
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extern "C"
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nsresult GRE_Shutdown()
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{
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NS_ShutdownXPCOM(nsnull);
|
|
XPCOMGlueShutdown();
|
|
return NS_OK;
|
|
}
|