gecko-dev/xpcom/base/nsErrorService.cpp

63 строки
1.8 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsErrorService.h"
#include "nsCRTGlue.h"
#include "mozilla/StaticPtr.h"
#include "mozilla/ClearOnShutdown.h"
namespace {
mozilla::StaticRefPtr<nsErrorService> gSingleton;
}
NS_IMPL_ISUPPORTS(nsErrorService, nsIErrorService)
// static
already_AddRefed<nsIErrorService> nsErrorService::GetOrCreate() {
// Be careful to not recreate the service for a second time if GetOrCreate is
// called super late during shutdown.
static bool serviceCreated = false;
RefPtr<nsErrorService> svc;
if (gSingleton) {
svc = gSingleton;
} else if (!serviceCreated) {
gSingleton = new nsErrorService();
mozilla::ClearOnShutdown(&gSingleton);
svc = gSingleton;
serviceCreated = true;
}
return svc.forget();
}
NS_IMETHODIMP
nsErrorService::RegisterErrorStringBundle(int16_t aErrorModule,
const char* aStringBundleURL) {
mErrorStringBundleURLMap.InsertOrUpdate(
aErrorModule, mozilla::MakeUnique<nsCString>(aStringBundleURL));
return NS_OK;
}
NS_IMETHODIMP
nsErrorService::UnregisterErrorStringBundle(int16_t aErrorModule) {
mErrorStringBundleURLMap.Remove(aErrorModule);
return NS_OK;
}
NS_IMETHODIMP
nsErrorService::GetErrorStringBundle(int16_t aErrorModule, char** aResult) {
nsCString* bundleURL = mErrorStringBundleURLMap.Get(aErrorModule);
if (!bundleURL) {
return NS_ERROR_FAILURE;
}
*aResult = ToNewCString(*bundleURL);
return NS_OK;
}
////////////////////////////////////////////////////////////////////////////////