1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /* ***** BEGIN LICENSE BLOCK *****
3 : * Version: MPL 1.1/GPL 2.0/LGPL 2.1
4 : *
5 : * The contents of this file are subject to the Mozilla Public License Version
6 : * 1.1 (the "License"); you may not use this file except in compliance with
7 : * the License. You may obtain a copy of the License at
8 : * http://www.mozilla.org/MPL/
9 : *
10 : * Software distributed under the License is distributed on an "AS IS" basis,
11 : * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
12 : * for the specific language governing rights and limitations under the
13 : * License.
14 : *
15 : * The Original Code is Mozilla Communicator client code.
16 : *
17 : * The Initial Developer of the Original Code is
18 : * Netscape Communications Corporation.
19 : * Portions created by the Initial Developer are Copyright (C) 1998
20 : * the Initial Developer. All Rights Reserved.
21 : *
22 : * Contributor(s):
23 : * Chris Waterson <waterson@netscape.com>
24 : *
25 : * Alternatively, the contents of this file may be used under the terms of
26 : * either of the GNU General Public License Version 2 or later (the "GPL"),
27 : * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
28 : * in which case the provisions of the GPL or the LGPL are applicable instead
29 : * of those above. If you wish to allow use of your version of this file only
30 : * under the terms of either the GPL or the LGPL, and not to allow others to
31 : * use your version of this file under the terms of the MPL, indicate your
32 : * decision by deleting the provisions above and replace them with the notice
33 : * and other provisions required by the GPL or the LGPL. If you do not delete
34 : * the provisions above, a recipient may use your version of this file under
35 : * the terms of any one of the MPL, the GPL or the LGPL.
36 : *
37 : * ***** END LICENSE BLOCK ***** */
38 : #ifndef nsResourceSet_h__
39 : #define nsResourceSet_h__
40 :
41 : #include "nsIRDFResource.h"
42 :
43 : class nsResourceSet
44 : {
45 : public:
46 0 : nsResourceSet()
47 : : mResources(nsnull),
48 : mCount(0),
49 0 : mCapacity(0) {
50 0 : MOZ_COUNT_CTOR(nsResourceSet); }
51 :
52 : nsResourceSet(const nsResourceSet& aResourceSet);
53 :
54 : nsResourceSet& operator=(const nsResourceSet& aResourceSet);
55 :
56 : ~nsResourceSet();
57 :
58 : nsresult Clear();
59 : nsresult Add(nsIRDFResource* aProperty);
60 : void Remove(nsIRDFResource* aProperty);
61 :
62 : bool Contains(nsIRDFResource* aProperty) const;
63 :
64 : protected:
65 : nsIRDFResource** mResources;
66 : PRInt32 mCount;
67 : PRInt32 mCapacity;
68 :
69 : public:
70 : class ConstIterator {
71 : protected:
72 : nsIRDFResource** mCurrent;
73 :
74 : public:
75 0 : ConstIterator() : mCurrent(nsnull) {}
76 :
77 0 : ConstIterator(const ConstIterator& aConstIterator)
78 0 : : mCurrent(aConstIterator.mCurrent) {}
79 :
80 0 : ConstIterator& operator=(const ConstIterator& aConstIterator) {
81 0 : mCurrent = aConstIterator.mCurrent;
82 0 : return *this; }
83 :
84 0 : ConstIterator& operator++() {
85 0 : ++mCurrent;
86 0 : return *this; }
87 :
88 0 : ConstIterator operator++(int) {
89 0 : ConstIterator result(*this);
90 0 : ++mCurrent;
91 : return result; }
92 :
93 0 : /*const*/ nsIRDFResource* operator*() const {
94 0 : return *mCurrent; }
95 :
96 0 : /*const*/ nsIRDFResource* operator->() const {
97 0 : return *mCurrent; }
98 :
99 : bool operator==(const ConstIterator& aConstIterator) const {
100 : return mCurrent == aConstIterator.mCurrent; }
101 :
102 0 : bool operator!=(const ConstIterator& aConstIterator) const {
103 0 : return mCurrent != aConstIterator.mCurrent; }
104 :
105 : protected:
106 0 : ConstIterator(nsIRDFResource** aProperty) : mCurrent(aProperty) {}
107 : friend class nsResourceSet;
108 : };
109 :
110 0 : ConstIterator First() const { return ConstIterator(mResources); }
111 0 : ConstIterator Last() const { return ConstIterator(mResources + mCount); }
112 : };
113 :
114 : #endif // nsResourceSet_h__
115 :
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