WvStreams
catmgr.cc
00001 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
00002  *
00003  * XPLC - Cross-Platform Lightweight Components
00004  * Copyright (C) 2003, Net Integration Technologies, Inc.
00005  * Copyright (C) 2003, Pierre Phaneuf
00006  *
00007  * This library is free software; you can redistribute it and/or
00008  * modify it under the terms of the GNU Lesser General Public License
00009  * as published by the Free Software Foundation; either version 2.1 of
00010  * the License, or (at your option) any later version.
00011  *
00012  * This library is distributed in the hope that it will be useful, but
00013  * WITHOUT ANY WARRANTY; without even the implied warranty of
00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00015  * Lesser General Public License for more details.
00016  *
00017  * You should have received a copy of the GNU Lesser General Public
00018  * License along with this library; if not, write to the Free Software
00019  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
00020  * USA
00021  */
00022 
00023 #include <assert.h>
00024 #include <xplc/utils.h>
00025 #include <xplc/uuidops.h>
00026 #include "catmgr.h"
00027 #include "category.h"
00028 
00029 UUID_MAP_BEGIN(CategoryManager)
00030   UUID_MAP_ENTRY(IObject)
00031   UUID_MAP_ENTRY(ICategoryManager)
00032   UUID_MAP_END
00033 
00034 CategoryManager::CategoryManager():
00035   categories(0) {
00036 }
00037 
00038 CategoryManager::~CategoryManager() {
00039   if(categories)
00040     delete categories;
00041 }
00042 
00043 void CategoryManager::registerComponent(const UUID& aCatid,
00044                                         const UUID& aUuid,
00045                                         const char* aString) {
00046   CategoryNode* cat;
00047   CategoryEntryNode* entry;
00048 
00049   for(cat = categories; cat; cat = cat->next) {
00050     if(cat->category == aCatid)
00051       break;
00052   }
00053 
00054   if(!cat) {
00055     cat = new CategoryNode(aCatid, categories);
00056     categories = cat;
00057   }
00058 
00059   assert(cat);
00060 
00061   for(entry = cat->entries; entry; entry = entry->next) {
00062     if(entry->entry == aUuid)
00063       return;
00064   }
00065 
00066   entry = new CategoryEntryNode(aUuid, aString, cat->entries);
00067   assert(entry);
00068 
00069   cat->entries = entry;
00070 }
00071 
00072 ICategory* CategoryManager::getCategory(const UUID& aUuid) {
00073   CategoryNode* cat;
00074 
00075   for(cat = categories; cat; cat = cat->next) {
00076     if(cat->category == aUuid)
00077       return new Category(this, cat->entries);
00078   }
00079 
00080   return new Category(this, NULL);
00081 }
00082