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1 /**
2  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
3  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
4  * Copyright (C) 2003, 2004, 2005, 2006, 2010 Apple Inc. All rights reserved.
5  * Copyright (C) 2006 Andrew Wellington (proton@wiretapped.net)
6  *
7  * This library is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU Library General Public
9  * License as published by the Free Software Foundation; either
10  * version 2 of the License, or (at your option) any later version.
11  *
12  * This library is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15  * Library General Public License for more details.
16  *
17  * You should have received a copy of the GNU Library General Public License
18  * along with this library; see the file COPYING.LIB.  If not, write to
19  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
20  * Boston, MA 02110-1301, USA.
21  *
22  */
23 
24 #ifndef BidiRun_h
25 #define BidiRun_h
26 
27 #include <wtf/StdLibExtras.h>
28 #include "BidiResolver.h"
29 #include "RenderText.h"
30 
31 namespace WebCore {
32 
33 class BidiContext;
34 class InlineBox;
35 
36 struct BidiRun : BidiCharacterRun {
BidiRunBidiRun37     BidiRun(int start, int stop, RenderObject* object, BidiContext* context, WTF::Unicode::Direction dir)
38         : BidiCharacterRun(start, stop, context, dir)
39         , m_object(object)
40         , m_box(0)
41         , m_hasHyphen(false)
42     {
43     }
44 
45     void destroy();
46 
47     // Overloaded new operator.
48     void* operator new(size_t, RenderArena*) throw();
49 
50     // Overridden to prevent the normal delete from being called.
51     void operator delete(void*, size_t);
52 
nextBidiRun53     BidiRun* next() { return static_cast<BidiRun*>(m_next); }
54 
55 private:
56     // The normal operator new is disallowed.
57     void* operator new(size_t) throw();
58 
59 public:
60     RenderObject* m_object;
61     InlineBox* m_box;
62     bool m_hasHyphen;
63 };
64 
65 }
66 
67 #endif // BidiRun_h
68