WebCore/Text.h

   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 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 const unsigned cTextNodeLengthLimit = 1 << 16;
  31
  32 class Text : public CharacterData {
  33 public:
  34     Text(Document *impl, const String &_text);
  35     Text(Document *impl);
  36     virtual ~Text();
  37
  38     // DOM methods & attributes for CharacterData
  39
  40     PassRefPtr<Text> splitText(unsigned offset, ExceptionCode&);
  41
  42     // DOM Level 3: http://www.w3.org/TR/DOM-Level-3-Core/core.html#ID-1312295772
  43     String wholeText() const;
  44     PassRefPtr<Text> replaceWholeText(const String&, ExceptionCode&);
  45
  46     // DOM methods overridden from parent classes
  47
  48     virtual String nodeName() const;
  49     virtual NodeType nodeType() const;
  50     virtual PassRefPtr<Node> cloneNode(bool deep);
  51
  52     // Other methods (not part of DOM)
  53
  54     virtual void attach();
  55     virtual bool rendererIsNeeded(RenderStyle*);
  56     virtual RenderObject* createRenderer(RenderArena*, RenderStyle*);
  57     virtual void recalcStyle(StyleChange = NoChange);
  58     virtual bool childTypeAllowed(NodeType);
  59
  60     static PassRefPtr<Text> createWithLengthLimit(Document*, const String&, unsigned& charsLeft, unsigned maxChars = cTextNodeLengthLimit);
  61
  62 #if ENABLE(WML)
  63     virtual void insertedIntoDocument();
  64 #endif
  65
  66 #ifndef NDEBUG
  67     virtual void formatForDebugger(char* buffer, unsigned length) const;
  68 #endif
  69
  70 protected:
  71     virtual PassRefPtr<Text> createNew(PassRefPtr<StringImpl>);
  72 };
  73
  74 } // namespace WebCore
  75
  76 #endif // Text_h