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1 /* |
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2 * This file is part of the DOM implementation for KDE. |
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3 * |
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4 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) |
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5 * (C) 1999 Antti Koivisto (koivisto@kde.org) |
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6 * Copyright (C) 2003 Apple Computer, Inc. |
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7 * |
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8 * This library is free software; you can redistribute it and/or |
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9 * modify it under the terms of the GNU Library General Public |
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10 * License as published by the Free Software Foundation; either |
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11 * version 2 of the License, or (at your option) any later version. |
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12 * |
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13 * This library is distributed in the hope that it will be useful, |
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14 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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16 * Library General Public License for more details. |
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17 * |
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18 * You should have received a copy of the GNU Library General Public License |
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19 * along with this library; see the file COPYING.LIB. If not, write to |
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20 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
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21 * Boston, MA 02110-1301, USA. |
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22 * |
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23 */ |
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24 |
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25 #ifndef CharacterData_h |
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26 #define CharacterData_h |
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27 |
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28 #include "EventTargetNode.h" |
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29 |
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30 namespace WebCore { |
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31 |
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32 class CharacterData : public EventTargetNode { |
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33 public: |
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34 CharacterData(Document*, const String& text); |
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35 CharacterData(Document*); |
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36 virtual ~CharacterData(); |
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37 |
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38 // DOM methods & attributes for CharacterData |
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39 |
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40 String data() const { return str; } |
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41 void setData(const String&, ExceptionCode&); |
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42 unsigned length() const { return str->length(); } |
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43 String substringData(unsigned offset, unsigned count, ExceptionCode&); |
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44 void appendData(const String&, ExceptionCode&); |
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45 void insertData(unsigned offset, const String&, ExceptionCode&); |
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46 void deleteData(unsigned offset, unsigned count, ExceptionCode&); |
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47 void replaceData(unsigned offset, unsigned count, const String &arg, ExceptionCode&); |
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48 |
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49 bool containsOnlyWhitespace() const; |
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50 bool containsOnlyWhitespace(unsigned from, unsigned len) const; |
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51 |
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52 // DOM methods overridden from parent classes |
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53 |
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54 virtual String nodeValue() const; |
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55 virtual void setNodeValue(const String&, ExceptionCode&); |
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56 virtual bool isCharacterDataNode() const { return true; } |
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57 |
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58 // Other methods (not part of DOM) |
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59 |
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60 StringImpl* string() { return str; } |
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61 virtual void checkCharDataOperation(unsigned offset, ExceptionCode&); |
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62 |
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63 virtual int maxOffset() const; |
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64 virtual int caretMinOffset() const; |
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65 virtual int caretMaxOffset() const; |
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66 virtual unsigned caretMaxRenderedOffset() const; |
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67 virtual bool offsetInCharacters() const; |
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68 virtual bool rendererIsNeeded(RenderStyle*); |
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69 |
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70 #ifndef NDEBUG |
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71 virtual void dump(TextStream*, DeprecatedString ind = "") const; |
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72 #endif |
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73 |
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74 protected: |
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75 // note: since DOMStrings are shared, str should always be copied when making |
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76 // a change or returning a string |
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77 StringImpl* str; |
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78 |
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79 void dispatchModifiedEvent(StringImpl* prevValue); |
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80 }; |
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81 |
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82 } // namespace WebCore |
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83 |
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84 #endif // CharacterData_h |
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85 |