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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, 2007, 2008, 2009 Apple Inc. All rights reserved.
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Library General Public
8  * License as published by the Free Software Foundation; either
9  * version 2 of the License, or (at your option) any later version.
10  *
11  * This library is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14  * Library General Public License for more details.
15  *
16  * You should have received a copy of the GNU Library General Public License
17  * along with this library; see the file COPYING.LIB.  If not, write to
18  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
19  * Boston, MA 02110-1301, USA.
20  *
21  */
22 
23 #ifndef Text_h
24 #define Text_h
25 
26 #include "CharacterData.h"
27 
28 namespace WebCore {
29 
30 class Text : public CharacterData {
31 public:
32     static const unsigned defaultLengthLimit = 1 << 16;
33 
34     static PassRefPtr<Text> create(Document*, const String&);
35     static PassRefPtr<Text> createWithLengthLimit(Document*, const String&, unsigned positionInString, unsigned lengthLimit = defaultLengthLimit);
36 
37     PassRefPtr<Text> splitText(unsigned offset, ExceptionCode&);
38 
39     // DOM Level 3: http://www.w3.org/TR/DOM-Level-3-Core/core.html#ID-1312295772
40 
41     String wholeText() const;
42     PassRefPtr<Text> replaceWholeText(const String&, ExceptionCode&);
43 
44     virtual void attach();
45 
46 protected:
Text(Document * document,const String & data)47     Text(Document* document, const String& data)
48         : CharacterData(document, data, CreateText)
49     {
50     }
51 
52 private:
53     virtual String nodeName() const;
54     virtual NodeType nodeType() const;
55     virtual PassRefPtr<Node> cloneNode(bool deep);
56     virtual bool rendererIsNeeded(RenderStyle*);
57     virtual RenderObject* createRenderer(RenderArena*, RenderStyle*);
58     virtual void recalcStyle(StyleChange = NoChange);
59     virtual bool childTypeAllowed(NodeType) const;
60 
61     virtual PassRefPtr<Text> virtualCreate(const String&);
62 
63 #ifndef NDEBUG
64     virtual void formatForDebugger(char* buffer, unsigned length) const;
65 #endif
66 };
67 
68 } // namespace WebCore
69 
70 #endif // Text_h
71