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gecko-dev/xpcom/io/nsAppFileLocationProvider.cpp

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* 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 Communicator client code,
* released March 31, 1998.
*
* The Initial Developer of the Original Code is Netscape Communications
* Corporation. Portions created by Netscape are
* Copyright (C) 2000 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
* Conrad Carlen <conrad@ingress.com>
*/
#include "nsAppFileLocationProvider.h"
#include "nsAppDirectoryServiceDefs.h"
#include "nsDirectoryServiceDefs.h"
#include "nsIAtom.h"
#include "nsILocalFile.h"
#include "nsString.h"
#include "nsXPIDLString.h"
#include "nsISimpleEnumerator.h"
#include "prenv.h"
#include "nsCRT.h"
#if defined(XP_MAC) || defined(XP_MACOSX)
#include <Folders.h>
#include <Script.h>
#include <Processes.h>
#include <Gestalt.h>
#include "nsILocalFileMac.h"
#elif defined(XP_OS2)
#define INCL_DOSPROCESS
#define INCL_DOSMODULEMGR
#include <os2.h>
#elif defined(XP_PC)
#include <windows.h>
#include <shlobj.h>
#elif defined(XP_UNIX)
#include <unistd.h>
#include <stdlib.h>
#include <sys/param.h>
#elif defined(XP_BEOS)
#include <sys/param.h>
#include <kernel/image.h>
#include <storage/FindDirectory.h>
#endif
// WARNING: These hard coded names need to go away. They need to
// come from localizable resources
#if defined(XP_MAC) || defined(XP_MACOSX)
#define APP_REGISTRY_NAME NS_LITERAL_CSTRING("Application Registry")
#define ESSENTIAL_FILES NS_LITERAL_CSTRING("Essential Files")
#elif defined(XP_WIN) || defined(XP_OS2)
#define APP_REGISTRY_NAME NS_LITERAL_CSTRING("registry.dat")
#else
#define APP_REGISTRY_NAME NS_LITERAL_CSTRING("appreg")
#endif
// define default product directory
#if defined(XP_WIN) || defined(XP_MAC) || defined(XP_MACOSX) || defined(XP_OS2) || defined(XP_BEOS)
#define DEFAULT_PRODUCT_DIR NS_LITERAL_CSTRING("Mozilla")
#elif defined (XP_UNIX)
#define DEFAULT_PRODUCT_DIR NS_LITERAL_CSTRING(".mozilla")
#endif
// Locally defined keys used by nsAppDirectoryEnumerator
#define NS_ENV_PLUGINS_DIR "EnvPlugins" // env var MOZ_PLUGIN_PATH
#define NS_USER_PLUGINS_DIR "UserPlugins"
#if defined(XP_MAC) || defined(XP_MACOSX)
#define NS_MACOSX_USER_PLUGIN_DIR "OSXUserPlugins"
#define NS_MACOSX_LOCAL_PLUGIN_DIR "OSXLocalPlugins"
#define NS_MAC_CLASSIC_PLUGIN_DIR "MacSysPlugins"
#endif
#if defined(XP_MAC)
#define DEFAULTS_DIR_NAME NS_LITERAL_CSTRING("Defaults")
#define DEFAULTS_PREF_DIR_NAME NS_LITERAL_CSTRING("Pref")
#define DEFAULTS_PROFILE_DIR_NAME NS_LITERAL_CSTRING("Profile")
#define RES_DIR_NAME NS_LITERAL_CSTRING("Res")
#define CHROME_DIR_NAME NS_LITERAL_CSTRING("Chrome")
#define PLUGINS_DIR_NAME NS_LITERAL_CSTRING("Plug-ins")
#define SEARCH_DIR_NAME NS_LITERAL_CSTRING("Search Plugins")
#else
#define DEFAULTS_DIR_NAME NS_LITERAL_CSTRING("defaults")
#define DEFAULTS_PREF_DIR_NAME NS_LITERAL_CSTRING("pref")
#define DEFAULTS_PROFILE_DIR_NAME NS_LITERAL_CSTRING("profile")
#define RES_DIR_NAME NS_LITERAL_CSTRING("res")
#define CHROME_DIR_NAME NS_LITERAL_CSTRING("chrome")
#define PLUGINS_DIR_NAME NS_LITERAL_CSTRING("plugins")
#define SEARCH_DIR_NAME NS_LITERAL_CSTRING("searchplugins")
#endif
//*****************************************************************************
// nsAppFileLocationProvider::Constructor/Destructor
//*****************************************************************************
nsAppFileLocationProvider::nsAppFileLocationProvider()
{
}
nsAppFileLocationProvider::~nsAppFileLocationProvider()
{
}
//*****************************************************************************
// nsAppFileLocationProvider::nsISupports
//*****************************************************************************
NS_IMPL_THREADSAFE_ISUPPORTS2(nsAppFileLocationProvider, nsIDirectoryServiceProvider, nsIDirectoryServiceProvider2)
//*****************************************************************************
// nsAppFileLocationProvider::nsIDirectoryServiceProvider
//*****************************************************************************
NS_IMETHODIMP
nsAppFileLocationProvider::GetFile(const char *prop, PRBool *persistant, nsIFile **_retval)
{
nsCOMPtr<nsILocalFile> localFile;
nsresult rv = NS_ERROR_FAILURE;
NS_ENSURE_ARG(prop);
*_retval = nsnull;
*persistant = PR_TRUE;
#if defined (XP_MAC) || defined(XP_MACOSX)
short foundVRefNum;
long foundDirID;
FSSpec fileSpec;
nsCOMPtr<nsILocalFileMac> macFile;
#endif
if (nsCRT::strcmp(prop, NS_APP_APPLICATION_REGISTRY_DIR) == 0)
{
rv = GetProductDirectory(getter_AddRefs(localFile));
}
else if (nsCRT::strcmp(prop, NS_APP_APPLICATION_REGISTRY_FILE) == 0)
{
rv = GetProductDirectory(getter_AddRefs(localFile));
if (NS_SUCCEEDED(rv))
rv = localFile->AppendNative(APP_REGISTRY_NAME);
}
else if (nsCRT::strcmp(prop, NS_APP_DEFAULTS_50_DIR) == 0)
{
rv = CloneMozBinDirectory(getter_AddRefs(localFile));
if (NS_SUCCEEDED(rv))
rv = localFile->AppendRelativeNativePath(DEFAULTS_DIR_NAME);
}
else if (nsCRT::strcmp(prop, NS_APP_PREF_DEFAULTS_50_DIR) == 0)
{
rv = CloneMozBinDirectory(getter_AddRefs(localFile));
if (NS_SUCCEEDED(rv)) {
rv = localFile->AppendRelativeNativePath(DEFAULTS_DIR_NAME);
if (NS_SUCCEEDED(rv))
rv = localFile->AppendRelativeNativePath(DEFAULTS_PREF_DIR_NAME);
}
}
else if (nsCRT::strcmp(prop, NS_APP_PROFILE_DEFAULTS_50_DIR) == 0 ||
nsCRT::strcmp(prop, NS_APP_PROFILE_DEFAULTS_NLOC_50_DIR) == 0)
{
rv = CloneMozBinDirectory(getter_AddRefs(localFile));
if (NS_SUCCEEDED(rv)) {
rv = localFile->AppendRelativeNativePath(DEFAULTS_DIR_NAME);
if (NS_SUCCEEDED(rv))
rv = localFile->AppendRelativeNativePath(DEFAULTS_PROFILE_DIR_NAME);
}
}
else if (nsCRT::strcmp(prop, NS_APP_USER_PROFILES_ROOT_DIR) == 0)
{
rv = GetDefaultUserProfileRoot(getter_AddRefs(localFile));
}
else if (nsCRT::strcmp(prop, NS_APP_RES_DIR) == 0)
{
rv = CloneMozBinDirectory(getter_AddRefs(localFile));
if (NS_SUCCEEDED(rv))
rv = localFile->AppendRelativeNativePath(RES_DIR_NAME);
}
else if (nsCRT::strcmp(prop, NS_APP_CHROME_DIR) == 0)
{
rv = CloneMozBinDirectory(getter_AddRefs(localFile));
if (NS_SUCCEEDED(rv))
rv = localFile->AppendRelativeNativePath(CHROME_DIR_NAME);
}
else if (nsCRT::strcmp(prop, NS_APP_PLUGINS_DIR) == 0)
{
rv = CloneMozBinDirectory(getter_AddRefs(localFile));
if (NS_SUCCEEDED(rv))
rv = localFile->AppendRelativeNativePath(PLUGINS_DIR_NAME);
}
#if defined(XP_MAC) || defined(XP_MACOSX)
else if (nsCRT::strcmp(prop, NS_MACOSX_USER_PLUGIN_DIR) == 0)
{
if (!(::FindFolder(kUserDomain,
kInternetPlugInFolderType,
kDontCreateFolder, &foundVRefNum, &foundDirID)) &&
!(::FSMakeFSSpec(foundVRefNum, foundDirID, "\p", &fileSpec))) {
rv = NS_NewLocalFileWithFSSpec(&fileSpec, PR_TRUE, getter_AddRefs(macFile));
if (NS_SUCCEEDED(rv))
localFile = macFile;
}
}
else if (nsCRT::strcmp(prop, NS_MACOSX_LOCAL_PLUGIN_DIR) == 0)
{
if (!(::FindFolder(kLocalDomain,
kInternetPlugInFolderType,
kDontCreateFolder, &foundVRefNum, &foundDirID)) &&
!(::FSMakeFSSpec(foundVRefNum, foundDirID, "\p", &fileSpec))) {
rv = NS_NewLocalFileWithFSSpec(&fileSpec, PR_TRUE, getter_AddRefs(macFile));
if (NS_SUCCEEDED(rv))
localFile = macFile;
}
}
else if (nsCRT::strcmp(prop, NS_MAC_CLASSIC_PLUGIN_DIR) == 0)
{
if (!(::FindFolder(kOnAppropriateDisk,
kInternetPlugInFolderType,
kDontCreateFolder, &foundVRefNum, &foundDirID)) &&
!(::FSMakeFSSpec(foundVRefNum, foundDirID, "\p", &fileSpec))) {
rv = NS_NewLocalFileWithFSSpec(&fileSpec, PR_TRUE, getter_AddRefs(macFile));
if (NS_SUCCEEDED(rv))
localFile = macFile;
}
}
#else
else if (nsCRT::strcmp(prop, NS_ENV_PLUGINS_DIR) == 0)
{
NS_ERROR("Don't use nsAppFileLocationProvider::GetFile(NS_ENV_PLUGINS_DIR, ...). "
"Use nsAppFileLocationProvider::GetFiles(...).");
const char *pathVar = PR_GetEnv("MOZ_PLUGIN_PATH");
if (pathVar)
rv = NS_NewNativeLocalFile(nsDependentCString(pathVar), PR_TRUE, getter_AddRefs(localFile));
}
else if (nsCRT::strcmp(prop, NS_USER_PLUGINS_DIR) == 0)
{
rv = GetProductDirectory(getter_AddRefs(localFile));
if (NS_SUCCEEDED(rv))
rv = localFile->AppendRelativeNativePath(PLUGINS_DIR_NAME);
}
#endif
else if (nsCRT::strcmp(prop, NS_APP_SEARCH_DIR) == 0)
{
rv = CloneMozBinDirectory(getter_AddRefs(localFile));
if (NS_SUCCEEDED(rv))
rv = localFile->AppendRelativeNativePath(SEARCH_DIR_NAME);
}
else if (nsCRT::strcmp(prop, NS_APP_INSTALL_CLEANUP_DIR) == 0)
{
// This is cloned so that embeddors will have a hook to override
// with their own cleanup dir. See bugzilla bug #105087
rv = CloneMozBinDirectory(getter_AddRefs(localFile));
#ifdef XP_MAC
if (NS_SUCCEEDED(rv))
rv = localFile->AppendNative(ESSENTIAL_FILES);
#endif
}
if (localFile && NS_SUCCEEDED(rv))
return localFile->QueryInterface(NS_GET_IID(nsIFile), (void**)_retval);
return rv;
}
NS_METHOD nsAppFileLocationProvider::CloneMozBinDirectory(nsILocalFile **aLocalFile)
{
NS_ENSURE_ARG_POINTER(aLocalFile);
nsresult rv;
if (!mMozBinDirectory)
{
// Get the mozilla bin directory
// 1. Check the directory service first for NS_XPCOM_CURRENT_PROCESS_DIR
// This will be set if a directory was passed to NS_InitXPCOM
// 2. If that doesn't work, set it to be the current process directory
nsCOMPtr<nsIProperties>
directoryService(do_GetService(NS_DIRECTORY_SERVICE_CONTRACTID, &rv));
if (NS_FAILED(rv))
return rv;
rv = directoryService->Get(NS_XPCOM_CURRENT_PROCESS_DIR, NS_GET_IID(nsIFile), getter_AddRefs(mMozBinDirectory));
if (NS_FAILED(rv)) {
rv = directoryService->Get(NS_OS_CURRENT_PROCESS_DIR, NS_GET_IID(nsIFile), getter_AddRefs(mMozBinDirectory));
if (NS_FAILED(rv))
return rv;
}
}
nsCOMPtr<nsIFile> aFile;
rv = mMozBinDirectory->Clone(getter_AddRefs(aFile));
if (NS_FAILED(rv))
return rv;
nsCOMPtr<nsILocalFile> lfile = do_QueryInterface (aFile);
if (!lfile)
return NS_ERROR_FAILURE;
NS_IF_ADDREF(*aLocalFile = lfile);
return NS_OK;
}
//----------------------------------------------------------------------------------------
// GetProductDirectory - Gets the directory which contains the application data folder
//
// UNIX : ~/.mozilla/
// WIN : <Application Data folder on user's machine>\Mozilla
// Mac : :Documents:Mozilla:
//----------------------------------------------------------------------------------------
NS_METHOD nsAppFileLocationProvider::GetProductDirectory(nsILocalFile **aLocalFile)
{
NS_ENSURE_ARG_POINTER(aLocalFile);
nsresult rv;
PRBool exists;
nsCOMPtr<nsILocalFile> localDir;
#if defined(XP_MAC)
nsCOMPtr<nsIProperties> directoryService =
do_GetService(NS_DIRECTORY_SERVICE_CONTRACTID, &rv);
if (NS_FAILED(rv)) return rv;
OSErr err;
long response;
err = ::Gestalt(gestaltSystemVersion, &response);
const char *prop = (!err && response >= 0x00001000) ? NS_MAC_USER_LIB_DIR : NS_MAC_DOCUMENTS_DIR;
rv = directoryService->Get(prop, NS_GET_IID(nsILocalFile), getter_AddRefs(localDir));
if (NS_FAILED(rv)) return rv;
#elif defined(XP_MACOSX)
FSRef fsRef;
OSErr err = ::FSFindFolder(kUserDomain, kDomainLibraryFolderType, kCreateFolder, &fsRef);
if (err) return NS_ERROR_FAILURE;
NS_NewLocalFile(nsString(), PR_TRUE, getter_AddRefs(localDir));
if (!localDir) return NS_ERROR_FAILURE;
nsCOMPtr<nsILocalFileMac> localDirMac(do_QueryInterface(localDir));
rv = localDirMac->InitWithFSRef(&fsRef);
if (NS_FAILED(rv)) return rv;
#elif defined(XP_OS2)
nsCOMPtr<nsIProperties> directoryService =
do_GetService(NS_DIRECTORY_SERVICE_CONTRACTID, &rv);
if (NS_FAILED(rv)) return rv;
rv = directoryService->Get(NS_OS2_HOME_DIR, NS_GET_IID(nsILocalFile), getter_AddRefs(localDir));
if (NS_FAILED(rv)) return rv;
#elif defined(XP_PC)
nsCOMPtr<nsIProperties> directoryService =
do_GetService(NS_DIRECTORY_SERVICE_CONTRACTID, &rv);
if (NS_FAILED(rv)) return rv;
rv = directoryService->Get(NS_WIN_APPDATA_DIR, NS_GET_IID(nsILocalFile), getter_AddRefs(localDir));
if (NS_SUCCEEDED(rv))
rv = localDir->Exists(&exists);
if (NS_FAILED(rv) || !exists)
{
// On some Win95 machines, NS_WIN_APPDATA_DIR does not exist - revert to NS_WIN_WINDOWS_DIR
localDir = nsnull;
rv = directoryService->Get(NS_WIN_WINDOWS_DIR, NS_GET_IID(nsILocalFile), getter_AddRefs(localDir));
}
if (NS_FAILED(rv)) return rv;
#elif defined(XP_UNIX)
rv = NS_NewNativeLocalFile(nsDependentCString(PR_GetEnv("HOME")), PR_TRUE, getter_AddRefs(localDir));
if (NS_FAILED(rv)) return rv;
#elif defined(XP_BEOS)
char path[MAXPATHLEN];
find_directory(B_USER_SETTINGS_DIRECTORY, 0, 0, path, MAXPATHLEN);
// Need enough space to add the trailing backslash
int len = strlen(path);
if (len > MAXPATHLEN-2)
return NS_ERROR_FAILURE;
path[len] = '/';
path[len+1] = '\0';
rv = NS_NewNativeLocalFile(nsDependentCString(path), PR_TRUE, getter_AddRefs(localDir));
if (NS_FAILED(rv)) return rv;
#else
#error dont_know_how_to_get_product_dir_on_your_platform
#endif
rv = localDir->AppendRelativeNativePath(DEFAULT_PRODUCT_DIR);
if (NS_FAILED(rv)) return rv;
rv = localDir->Exists(&exists);
if (NS_SUCCEEDED(rv) && !exists)
rv = localDir->Create(nsIFile::DIRECTORY_TYPE, 0775);
if (NS_FAILED(rv)) return rv;
*aLocalFile = localDir;
NS_ADDREF(*aLocalFile);
return rv;
}
//----------------------------------------------------------------------------------------
// GetDefaultUserProfileRoot - Gets the directory which contains each user profile dir
//
// UNIX : ~/.mozilla/
// WIN : <Application Data folder on user's machine>\Mozilla\Profiles
// Mac : :Documents:Mozilla:Profiles:
//----------------------------------------------------------------------------------------
NS_METHOD nsAppFileLocationProvider::GetDefaultUserProfileRoot(nsILocalFile **aLocalFile)
{
NS_ENSURE_ARG_POINTER(aLocalFile);
nsresult rv;
nsCOMPtr<nsILocalFile> localDir;
rv = GetProductDirectory(getter_AddRefs(localDir));
if (NS_FAILED(rv)) return rv;
#if defined(XP_MAC) || defined(XP_MACOSX) || defined(XP_OS2) || defined(XP_PC)
// These 3 platforms share this part of the path - do them as one
rv = localDir->AppendRelativeNativePath(NS_LITERAL_CSTRING("Profiles"));
if (NS_FAILED(rv)) return rv;
PRBool exists;
rv = localDir->Exists(&exists);
if (NS_SUCCEEDED(rv) && !exists)
rv = localDir->Create(nsIFile::DIRECTORY_TYPE, 0775);
if (NS_FAILED(rv)) return rv;
#endif
*aLocalFile = localDir;
NS_ADDREF(*aLocalFile);
return rv;
}
//*****************************************************************************
// nsAppFileLocationProvider::nsIDirectoryServiceProvider2
//*****************************************************************************
class nsAppDirectoryEnumerator : public nsISimpleEnumerator
{
public:
NS_DECL_ISUPPORTS
/**
* aKeyList is a null-terminated list of properties which are provided by aProvider
* They do not need to be publicly defined keys.
*/
nsAppDirectoryEnumerator(nsIDirectoryServiceProvider *aProvider,
const char* aKeyList[]) :
mProvider(aProvider),
mCurrentKey(aKeyList)
{
}
NS_IMETHOD HasMoreElements(PRBool *result)
{
while (!mNext && *mCurrentKey)
{
PRBool dontCare;
nsCOMPtr<nsIFile> testFile;
(void)mProvider->GetFile(*mCurrentKey++, &dontCare, getter_AddRefs(testFile));
// Don't return a file which does not exist.
PRBool exists;
if (testFile && NS_SUCCEEDED(testFile->Exists(&exists)) && exists)
mNext = testFile;
}
*result = mNext != nsnull;
return NS_OK;
}
NS_IMETHOD GetNext(nsISupports **result)
{
NS_ENSURE_ARG_POINTER(result);
*result = nsnull;
PRBool hasMore;
HasMoreElements(&hasMore);
if (!hasMore)
return NS_ERROR_FAILURE;
*result = mNext;
NS_IF_ADDREF(*result);
mNext = nsnull;
return *result ? NS_OK : NS_ERROR_FAILURE;
}
virtual ~nsAppDirectoryEnumerator()
{
}
protected:
nsIDirectoryServiceProvider *mProvider;
const char** mCurrentKey;
nsCOMPtr<nsIFile> mNext;
};
NS_IMPL_ISUPPORTS1(nsAppDirectoryEnumerator, nsISimpleEnumerator)
/* nsPathsDirectoryEnumerator and PATH_SEPARATOR
* are not used on MacOS/X. */
#if defined(XP_WIN) || defined(XP_OS2)/* Win32, Win16, and OS/2 */
#define PATH_SEPARATOR ';'
#else /*if defined(XP_UNIX) || defined(XP_BEOS)*/
#define PATH_SEPARATOR ':'
#endif
class nsPathsDirectoryEnumerator : public nsAppDirectoryEnumerator
{
public:
/**
* aKeyList is a null-terminated list.
* The first element is a path list.
* The remainder are properties provided by aProvider.
* They do not need to be publicly defined keys.
*/
nsPathsDirectoryEnumerator(nsIDirectoryServiceProvider *aProvider,
const char* aKeyList[]) :
nsAppDirectoryEnumerator(aProvider, aKeyList+1),
mEndPath(aKeyList[0])
{
}
NS_IMETHOD HasMoreElements(PRBool *result)
{
if (mEndPath)
while (!mNext && *mEndPath)
{
const char *pathVar = mEndPath;
do { ++mEndPath; } while (*mEndPath && *mEndPath != PATH_SEPARATOR);
nsCOMPtr<nsILocalFile> localFile;
NS_NewNativeLocalFile(Substring(pathVar, mEndPath),
PR_TRUE,
getter_AddRefs(localFile));
if (*mEndPath == PATH_SEPARATOR)
++mEndPath;
// Don't return a "file" (directory) which does not exist.
PRBool exists;
if (localFile &&
NS_SUCCEEDED(localFile->Exists(&exists)) &&
exists)
mNext = localFile;
}
if (mNext)
*result = PR_TRUE;
else
nsAppDirectoryEnumerator::HasMoreElements(result);
return NS_OK;
}
protected:
const char *mEndPath;
};
NS_IMETHODIMP
nsAppFileLocationProvider::GetFiles(const char *prop, nsISimpleEnumerator **_retval)
{
NS_ENSURE_ARG_POINTER(_retval);
*_retval = nsnull;
nsresult rv = NS_ERROR_FAILURE;
if (!nsCRT::strcmp(prop, NS_APP_PLUGINS_DIR_LIST))
{
#if defined(XP_MAC) || defined(XP_MACOSX)
static const char* osXKeys[] = { NS_APP_PLUGINS_DIR, NS_MACOSX_USER_PLUGIN_DIR, NS_MACOSX_LOCAL_PLUGIN_DIR, nsnull };
static const char* os9Keys[] = { NS_APP_PLUGINS_DIR, NS_MAC_CLASSIC_PLUGIN_DIR, nsnull };
static const char** keys;
if (!keys) {
OSErr err;
long response;
err = ::Gestalt(gestaltSystemVersion, &response);
keys = (!err && response >= 0x00001000) ? osXKeys : os9Keys;
}
*_retval = new nsAppDirectoryEnumerator(this, keys);
#else
static const char* keys[] = { nsnull, NS_USER_PLUGINS_DIR, NS_APP_PLUGINS_DIR, nsnull };
if (!keys[0] && !(keys[0] = PR_GetEnv("MOZ_PLUGIN_PATH"))) {
static const char nullstr = 0;
keys[0] = &nullstr;
}
*_retval = new nsPathsDirectoryEnumerator(this, keys);
#endif
NS_IF_ADDREF(*_retval);
rv = *_retval ? NS_OK : NS_ERROR_OUT_OF_MEMORY;
}
return rv;
}
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