forked from mirrors/gecko-dev
167 lines
5 KiB
C++
167 lines
5 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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* Christopher Seawood <cls@seawood.org>
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* Doug Turner <dougt@netscape.com>
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* Chris Waterson <waterson@netscape.com>
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* Benjamin Smedberg <benjamin@smedbergs.us>
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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 "nsIGenericFactory.h"
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#include "nsXPCOM.h"
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#include "nsIModule.h"
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#include "nsCOMPtr.h"
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#include "nsCOMArray.h"
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#include "nsMemory.h"
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#include "nsAutoPtr.h"
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#include "module_list.h"
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#define NSGETMODULE(_name) _name##_NSGetModule
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#define MODULE(_name) \
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NSGETMODULE_ENTRY_POINT(_name) (nsIComponentManager*, nsIFile*, nsIModule**);
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MODULES
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#undef MODULE
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#define MODULE(_name) NSGETMODULE(_name),
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static const nsGetModuleProc kGetModules[] = {
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MODULES
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};
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#undef MODULE
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class MetaModule : public nsIModule
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{
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_NSIMODULE
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MetaModule() { }
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nsresult Init(nsIComponentManager*, nsIFile*);
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private:
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~MetaModule() { }
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nsCOMArray<nsIModule> mModules;
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};
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NS_IMPL_THREADSAFE_ISUPPORTS1(MetaModule, nsIModule)
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nsresult
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MetaModule::Init(nsIComponentManager* aCompMgr, nsIFile* aLocation)
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{
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if (!mModules.SetCapacity(NS_ARRAY_LENGTH(kGetModules)))
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return NS_ERROR_OUT_OF_MEMORY;
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// eat all errors
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nsGetModuleProc const *end = kGetModules + NS_ARRAY_LENGTH(kGetModules);
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nsCOMPtr<nsIModule> module;
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for (nsGetModuleProc const *cur = kGetModules; cur < end; ++cur) {
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nsresult rv = (*cur)(aCompMgr, aLocation, getter_AddRefs(module));
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if (NS_SUCCEEDED(rv))
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mModules.AppendObject(module);
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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MetaModule::GetClassObject(nsIComponentManager* aCompMgr, REFNSCID aCID,
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REFNSIID aIID, void **aResult)
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{
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for (PRInt32 i = mModules.Count() - 1; i >= 0; --i) {
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nsresult rv = mModules[i]->GetClassObject(aCompMgr, aCID,
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aIID, aResult);
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if (NS_SUCCEEDED(rv))
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return rv;
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}
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return NS_ERROR_FAILURE;
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}
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NS_IMETHODIMP
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MetaModule::RegisterSelf(nsIComponentManager* aCompMgr, nsIFile* aLocation,
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const char *aStr, const char *aType)
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{
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for (PRInt32 i = mModules.Count() - 1; i >= 0; --i) {
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mModules[i]->RegisterSelf(aCompMgr, aLocation, aStr, aType);
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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MetaModule::UnregisterSelf(nsIComponentManager* aCompMgr, nsIFile* aLocation,
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const char *aStr)
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{
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for (PRInt32 i = mModules.Count() - 1; i >= 0; --i) {
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mModules[i]->UnregisterSelf(aCompMgr, aLocation, aStr);
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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MetaModule::CanUnload(nsIComponentManager* aCompMgr, PRBool *aResult)
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{
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for (PRInt32 i = mModules.Count() - 1; i >= 0; --i) {
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nsresult rv = mModules[i]->CanUnload(aCompMgr, aResult);
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if (NS_FAILED(rv))
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return rv;
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// Any submodule may veto unloading
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if (!*aResult)
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return NS_OK;
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}
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return NS_OK;
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}
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extern "C" NS_EXPORT nsresult
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NSGetModule(nsIComponentManager *servMgr,
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nsIFile *location,
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nsIModule **result)
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{
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nsRefPtr<MetaModule> mmodule = new MetaModule();
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nsresult rv = mmodule->Init(servMgr, location);
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if (NS_FAILED(rv))
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return rv;
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NS_ADDREF(*result = mmodule);
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return NS_OK;
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}
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