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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* XPLC - Cross-Platform Lightweight Components
* Copyright (C) 2002-2004, Net Integration Technologies, Inc.
* Copyright (C) 2002-2004, Pierre Phaneuf
* Copyright (C) 2002-2004, Stphane Lajoie
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA
*/
#include <assert.h>
#include <xplc/ICategoryManager.h>
#include <xplc/uuidops.h>
#include "moduleloader.h"
#include "loader.h"
UUID_MAP_BEGIN(ModuleLoader)
UUID_MAP_ENTRY(IObject)
UUID_MAP_ENTRY(IModuleLoader)
UUID_MAP_END
UUID_MAP_BEGIN(Module)
UUID_MAP_ENTRY(IObject)
UUID_MAP_ENTRY(IServiceHandler)
UUID_MAP_ENTRY(IModule)
UUID_MAP_END
IModule* ModuleLoader::loadModule(const char* modulename) {
return Module::loadModule(modulename);
}
Module* Module::loadModule(const char* modulename) {
XPLC_ModuleInfo* moduleinfo = 0;
void* dlh;
const char* err;
err = loaderOpen(modulename, &dlh);
if(err)
return NULL;
void* symbol;
err = loaderSymbol(dlh, "XPLC_Module", &symbol);
moduleinfo = reinterpret_cast<XPLC_ModuleInfo*>(symbol);
if(err
|| !moduleinfo
|| moduleinfo->magic != XPLC_MODULE_MAGIC) {
loaderClose(dlh);
return NULL;
}
switch((int)moduleinfo->version_major) {
#ifdef UNSTABLE
case -1:
/* nothing to do */
break;
#endif
default:
loaderClose(dlh);
return NULL;
};
return new Module(dlh, moduleinfo);
}
Module::Module(void* aHandle, const XPLC_ModuleInfo* aModuleInfo):
handle(aHandle),
moduleinfo(aModuleInfo)
{
assert(moduleinfo);
if(moduleinfo->categories) {
IServiceManager* servmgr;
IObject* obj;
ICategoryManager* catmgr;
const XPLC_CategoryEntry* entry;
servmgr = XPLC_getServiceManager();
assert(servmgr);
obj = servmgr->getObject(XPLC_categoryManager);
assert(obj);
servmgr->release();
catmgr = mutate<ICategoryManager>(obj);
assert(catmgr);
entry = moduleinfo->categories;
while(entry->category != UUID_null && entry->uuid != UUID_null) {
catmgr->registerComponent(entry->category, entry->uuid, entry->string);
++entry;
}
catmgr->release();
}
}
IObject* Module::getObject(const UUID& cid) {
const XPLC_ComponentEntry* entry = moduleinfo->components;
IObject* obj = 0;
if(!entry)
return NULL;
while(!obj && entry->uuid != UUID_null) {
if(entry->uuid == cid)
obj = entry->getObject();
++entry;
}
return obj;
}
Module::~Module() {
/*
* FIXME: Adding the conditional here is for future expansion, where
* this class could be used for a non-dynamically loaded module. But
* for some reason, the size of this file increases in an odd way
* when it is added. This should be investigated.
*/
if(handle)
loaderClose(handle);
}
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