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1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*************************************************************************
3 : *
4 : * The Contents of this file are made available subject to the terms of
5 : * either of the following licenses
6 : *
7 : * - GNU Lesser General Public License Version 2.1
8 : * - Sun Industry Standards Source License Version 1.1
9 : *
10 : * Sun Microsystems Inc., October, 2000
11 : *
12 : * GNU Lesser General Public License Version 2.1
13 : * =============================================
14 : * Copyright 2000 by Sun Microsystems, Inc.
15 : * 901 San Antonio Road, Palo Alto, CA 94303, USA
16 : *
17 : * This library is free software; you can redistribute it and/or
18 : * modify it under the terms of the GNU Lesser General Public
19 : * License version 2.1, as published by the Free Software Foundation.
20 : *
21 : * This library is distributed in the hope that it will be useful,
22 : * but WITHOUT ANY WARRANTY; without even the implied warranty of
23 : * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
24 : * Lesser General Public License for more details.
25 : *
26 : * You should have received a copy of the GNU Lesser General Public
27 : * License along with this library; if not, write to the Free Software
28 : * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
29 : * MA 02111-1307 USA
30 : *
31 : *
32 : * Sun Industry Standards Source License Version 1.1
33 : * =================================================
34 : * The contents of this file are subject to the Sun Industry Standards
35 : * Source License Version 1.1 (the "License"); You may not use this file
36 : * except in compliance with the License. You may obtain a copy of the
37 : * License at http://www.openoffice.org/license.html.
38 : *
39 : * Software provided under this License is provided on an "AS IS" basis,
40 : * WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
41 : * WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
42 : * MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
43 : * See the License for the specific provisions governing your rights and
44 : * obligations concerning the Software.
45 : *
46 : * The Initial Developer of the Original Code is: IBM Corporation
47 : *
48 : * Copyright: 2008 by IBM Corporation
49 : *
50 : * All Rights Reserved.
51 : *
52 : * Contributor(s): _______________________________________
53 : *
54 : *
55 : ************************************************************************/
56 : #ifndef UTLIST_H
57 : #define UTLIST_H
58 :
59 : #include "ut.hxx"
60 :
61 : namespace OpenStormBento
62 : {
63 :
64 :
65 : UtDefClassP(CUtListElmt);
66 : UtDefClassP(CUtList);
67 : UtDefClassP(CUtComparableListElmt);
68 :
69 : class CUtListElmt
70 : {
71 : public: // Methods
72 558 : CUtListElmt()
73 : : cpNext(NULL)
74 558 : , cpPrev(NULL)
75 558 : {}
76 439 : CUtListElmt(pCUtListElmt pPrev) { InsertAfter(pPrev); }
77 : CUtListElmt(pCUtList pList);
78 : virtual ~CUtListElmt();
79 : void Remove()
80 : {
81 : cpPrev->cpNext = cpNext;
82 : cpNext->cpPrev = cpPrev;
83 : cpNext = NULL;
84 : }
85 1170 : UtBool OnList() { return cpNext != NULL; }
86 62 : void MakeNotOnList() { cpNext = NULL; } // Same as Remove but doesn't
87 : // patch up list
88 1790 : pCUtListElmt GetNext() const { return cpNext; }
89 770 : void SetNext(pCUtListElmt pNext) { cpNext = pNext; }
90 1245 : pCUtListElmt GetPrev() const { return cpPrev; }
91 770 : void SetPrev(pCUtListElmt pPrev) { cpPrev = pPrev; }
92 612 : void InsertAfter(pCUtListElmt pPrev)
93 : {
94 612 : cpNext = pPrev->cpNext;
95 612 : cpPrev = pPrev;
96 612 : cpNext->cpPrev = this;
97 612 : pPrev->cpNext = this;
98 612 : }
99 :
100 : private: // Data
101 : pCUtListElmt cpNext;
102 : pCUtListElmt cpPrev;
103 : };
104 :
105 :
106 :
107 :
108 0 : class CUtComparableListElmt : public CUtListElmt
109 : {
110 : public: // Methods
111 : CUtComparableListElmt() { ; }
112 : CUtComparableListElmt(pCUtComparableListElmt pPrev) :
113 : CUtListElmt(pPrev) { ; }
114 : CUtComparableListElmt(pCUtList pList) : CUtListElmt(pList) { ; }
115 :
116 : public: // Pure virtual methods
117 : };
118 :
119 :
120 :
121 :
122 : class CUtList
123 : {
124 : public: // Methods
125 385 : CUtList() { cDummyElmt.SetNext(&cDummyElmt);
126 385 : cDummyElmt.SetPrev(&cDummyElmt); }
127 : virtual ~CUtList();
128 774 : pCUtListElmt GetFirst() { return cDummyElmt.GetNext(); }
129 1016 : pCUtListElmt GetLast() { return cDummyElmt.GetPrev(); }
130 1652 : pCUtListElmt GetTerminating() { return &cDummyElmt; }
131 : pCUtListElmt GetNextOrNULL(pCUtListElmt pCurr);
132 : UtBool IsEmpty() { return GetFirst() == GetTerminating(); };
133 : UtBool ContainsAtLeastTwoItems() { return GetFirst() != GetLast(); };
134 :
135 : void Destroy(void);
136 :
137 : private: // Data
138 : CUtListElmt cDummyElmt;
139 : };
140 :
141 :
142 :
143 :
144 381 : class CUtOwningList : public CUtList
145 : {
146 : public: // Methods
147 : ~CUtOwningList();
148 : };
149 : }//end namespace OpenStormBento
150 : #endif
151 :
152 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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