Text.h revision 81bc750723a18f21cd17d1b173cd2a4dda9cea6e 
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
28namespace WebCore {
29
30class Text : public CharacterData {
31public:
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
46protected:
47    Text(Document* document, const String& data)
48        : CharacterData(document, data, CreateText)
49    {
50    }
51
52private:
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);
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