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/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla 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/MPL/
*
* 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):
* Christopher Seawood <cls@seawood.org>
* Doug Turner <dougt@netscape.com>
* Chris Waterson <waterson@netscape.com>
*
* 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 MPL, 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 MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#line 27 "nsMetaModule.cpp.in"
#include "nsError.h"
#include "nsIModule.h"
#include "nsIFile.h"
#include "nsIGenericFactory.h"
#include "prmem.h"
%DECLARE_SUBMODULE_INFOS%
#line 35 "nsMetaModule.cpp.in"
static nsModuleInfo* gSubModules[] = {
%SUBMODULE_INFOS%
#line 39 "nsMetaModule.cpp.in"
};
#define NUM_SUB_MODULES (sizeof(gSubModules) / sizeof(gSubModules[0]))
static nsModuleComponentInfo* gComponentInfo;
static PRBool gInitialized = PR_FALSE;
PR_STATIC_CALLBACK(nsresult)
Initialize(nsIModule *self)
{
if (! gInitialized) {
// Run the ctor for each sub-module
gInitialized = PR_TRUE;
nsModuleInfo** module = gSubModules;
nsModuleInfo** limit = module + NUM_SUB_MODULES;
for ( ; module < limit; ++module) {
if ((*module)->mCtor)
((*module)->mCtor)(self);
}
}
return NS_OK;
}
PR_STATIC_CALLBACK(void)
Shutdown(nsIModule *self)
{
if (gInitialized) {
// Run the dtor for each sub-module
gInitialized = PR_FALSE;
nsModuleInfo** module = gSubModules;
nsModuleInfo** limit = module + NUM_SUB_MODULES;
for ( ; module < limit; ++module) {
if ((*module)->mDtor)
((*module)->mDtor)(self);
}
}
}
extern "C" NS_EXPORT nsresult
nsMetaModule_nsGetModule(nsIComponentManager *servMgr,
nsIFile *location,
nsIModule **result)
{
// Count the number of components contained in all of the
// sub-modules
nsModuleInfo** info = gSubModules;
nsModuleInfo** limit = info + NUM_SUB_MODULES;
PRUint32 count = 0;
for ( ; info < limit; ++info)
count += (*info)->mCount;
// Allocate an nsModuleComponentInfo array large enough to contain
// all of them. This will be permanently leaked.
gComponentInfo = new nsModuleComponentInfo[count];
if (! gComponentInfo)
return NS_ERROR_OUT_OF_MEMORY;
// Copy the module component info into the contiguous array
nsModuleComponentInfo *comps = gComponentInfo;
for (info = gSubModules; info < limit; ++info) {
PRUint32 n = (*info)->mCount;
::memcpy(comps, (*info)->mComponents, sizeof(nsModuleComponentInfo) * n);
comps += n;
}
// Dummy up an nsModuleInfo struct to register us as a generic
// module that contains all our sub-module's components.
nsModuleInfo metainfo;
memset(&metainfo, 0, sizeof(metainfo));
metainfo.mVersion = NS_MODULEINFO_VERSION;
metainfo.mModuleName = META_MODULE " meta module";
metainfo.mComponents = gComponentInfo;
metainfo.mCount = count;
metainfo.mCtor = Initialize;
metainfo.mDtor = Shutdown;
return NS_NewGenericModule2(&metainfo, result);
}
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