Mercurial > projects > qtd
comparison generator/parser/list.h @ 1:e78566595089
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author | mandel |
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date | Mon, 11 May 2009 16:01:50 +0000 |
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children | 09a0f1d048f2 |
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0:36fb74dc547d | 1:e78566595089 |
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1 /**************************************************************************** | |
2 ** | |
3 ** Copyright (C) 1992-2008 Nokia. All rights reserved. | |
4 ** Copyright (C) 2002-2005 Roberto Raggi <roberto@kdevelop.org> | |
5 ** | |
6 ** This file is part of Qt Jambi. | |
7 ** | |
8 ** * Commercial Usage | |
9 * Licensees holding valid Qt Commercial licenses may use this file in | |
10 * accordance with the Qt Commercial License Agreement provided with the | |
11 * Software or, alternatively, in accordance with the terms contained in | |
12 * a written agreement between you and Nokia. | |
13 * | |
14 * | |
15 * GNU General Public License Usage | |
16 * Alternatively, this file may be used under the terms of the GNU | |
17 * General Public License versions 2.0 or 3.0 as published by the Free | |
18 * Software Foundation and appearing in the file LICENSE.GPL included in | |
19 * the packaging of this file. Please review the following information | |
20 * to ensure GNU General Public Licensing requirements will be met: | |
21 * http://www.fsf.org/licensing/licenses/info/GPLv2.html and | |
22 * http://www.gnu.org/copyleft/gpl.html. In addition, as a special | |
23 * exception, Nokia gives you certain additional rights. These rights | |
24 * are described in the Nokia Qt GPL Exception version 1.2, included in | |
25 * the file GPL_EXCEPTION.txt in this package. | |
26 * | |
27 * Qt for Windows(R) Licensees | |
28 * As a special exception, Nokia, as the sole copyright holder for Qt | |
29 * Designer, grants users of the Qt/Eclipse Integration plug-in the | |
30 * right for the Qt/Eclipse Integration to link to functionality | |
31 * provided by Qt Designer and its related libraries. | |
32 * | |
33 * | |
34 * If you are unsure which license is appropriate for your use, please | |
35 * contact the sales department at qt-sales@nokia.com. | |
36 | |
37 ** | |
38 ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE | |
39 ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. | |
40 ** | |
41 ****************************************************************************/ | |
42 | |
43 | |
44 #ifndef FASTLIST_H | |
45 #define FASTLIST_H | |
46 | |
47 #include "smallobject.h" | |
48 | |
49 template <typename Tp> | |
50 struct ListNode | |
51 { | |
52 Tp element; | |
53 int index; | |
54 mutable const ListNode<Tp> *next; | |
55 | |
56 static ListNode *create(const Tp &element, pool *p) | |
57 { | |
58 ListNode<Tp> *node = new (p->allocate(sizeof(ListNode))) ListNode(); | |
59 node->element = element; | |
60 node->index = 0; | |
61 node->next = node; | |
62 | |
63 return node; | |
64 } | |
65 | |
66 static ListNode *create(const ListNode *n1, const Tp &element, pool *p) | |
67 { | |
68 ListNode<Tp> *n2 = ListNode::create(element, p); | |
69 | |
70 n2->index = n1->index + 1; | |
71 n2->next = n1->next; | |
72 n1->next = n2; | |
73 | |
74 return n2; | |
75 } | |
76 | |
77 inline ListNode<Tp>() { } | |
78 | |
79 inline const ListNode<Tp> *at(int index) const | |
80 { | |
81 const ListNode<Tp> *node = this; | |
82 while (index != node->index) | |
83 node = node->next; | |
84 | |
85 return node; | |
86 } | |
87 | |
88 inline bool hasNext() const | |
89 { return index < next->index; } | |
90 | |
91 inline int count() const | |
92 { return 1 + toBack()->index; } | |
93 | |
94 inline const ListNode<Tp> *toFront() const | |
95 { return toBack()->next; } | |
96 | |
97 inline const ListNode<Tp> *toBack() const | |
98 { | |
99 const ListNode<Tp> *node = this; | |
100 while (node->hasNext()) | |
101 node = node->next; | |
102 | |
103 return node; | |
104 } | |
105 }; | |
106 | |
107 template <class Tp> | |
108 inline const ListNode<Tp> *snoc(const ListNode<Tp> *list, | |
109 const Tp &element, pool *p) | |
110 { | |
111 if (!list) | |
112 return ListNode<Tp>::create(element, p); | |
113 | |
114 return ListNode<Tp>::create(list->toBack(), element, p); | |
115 } | |
116 | |
117 #endif // FASTLIST_H | |
118 | |
119 // kate: space-indent on; indent-width 2; replace-tabs on; | |
120 |