WvStreams
catiter.cc
1/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
2 *
3 * XPLC - Cross-Platform Lightweight Components
4 * Copyright (C) 2004, Net Integration Technologies, Inc.
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public License
8 * as published by the Free Software Foundation; either version 2.1 of
9 * the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
19 * USA
20 */
21
22#include <xplc/utils.h>
23#include "catiter.h"
24
29
30CategoryIterator::CategoryIterator(ICategory* aCategory,
31 CategoryEntryNode* aEntries):
32 category(aCategory),
33 current(aEntries) {
34 /*
35 * Prevent the category from dying, which in turn prevents the
36 * category manager from dying (which would free the list).
37 */
38 category->addRef();
39}
40
42 if(current)
43 return current->entry;
44
45 return UUID_null;
46}
47
49 if(current)
50 return current->str;
51
52 return 0;
53}
54
56 if(current)
57 current = current->next;
58}
59
61 return current == 0;
62}
63
64CategoryIterator::~CategoryIterator() {
65 category->release();
66}
67
virtual const UUID & getUuid()
Returns the UUID of the category entry.
Definition: catiter.cc:41
virtual void next()
Advances to the next category entry.
Definition: catiter.cc:55
virtual bool done()
Tests if the iterator is past the last item.
Definition: catiter.cc:60
virtual const char * getString()
Returns the string associated with the category entry.
Definition: catiter.cc:48
Allows iteration over a category.
Represents a category.
Definition: ICategory.h:36
The basic interface which is included by all other XPLC interfaces and objects.
Definition: IObject.h:65
virtual unsigned int release()=0
Indicate that you are finished using this object.
The structure underlying UUIDs.
Definition: uuid.h:94
Various utility functions, macros and templates.
#define UUID_MAP_END
Marks the end of an interface map.
Definition: utils.h:80
#define UUID_MAP_BEGIN(component)
Start the interface map for "component".
Definition: utils.h:63
#define UUID_MAP_ENTRY(iface)
Add an entry to an interface map.
Definition: utils.h:68