Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 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, 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 CharacterData_h |
| 24 | #define CharacterData_h |
| 25 | |
| 26 | #include "core/dom/Node.h" |
Ben Murdoch | e69819b | 2013-07-17 14:56:49 +0100 | [diff] [blame] | 27 | #include "wtf/text/WTFString.h" |
Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 28 | |
| 29 | namespace WebCore { |
| 30 | |
| 31 | class CharacterData : public Node { |
| 32 | public: |
Torne (Richard Coles) | 5267f70 | 2013-06-11 10:57:24 +0100 | [diff] [blame] | 33 | void atomize(); |
Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 34 | String data() const { return m_data; } |
Torne (Richard Coles) | 521d96e | 2013-06-19 11:58:24 +0100 | [diff] [blame] | 35 | void setData(const String&); |
Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 36 | unsigned length() const { return m_data.length(); } |
| 37 | String substringData(unsigned offset, unsigned count, ExceptionCode&); |
Torne (Richard Coles) | 521d96e | 2013-06-19 11:58:24 +0100 | [diff] [blame] | 38 | void appendData(const String&); |
Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 39 | void insertData(unsigned offset, const String&, ExceptionCode&); |
| 40 | void deleteData(unsigned offset, unsigned count, ExceptionCode&); |
| 41 | void replaceData(unsigned offset, unsigned count, const String&, ExceptionCode&); |
| 42 | |
| 43 | bool containsOnlyWhitespace() const; |
| 44 | |
| 45 | StringImpl* dataImpl() { return m_data.impl(); } |
| 46 | |
| 47 | // Like appendData, but optimized for the parser (e.g., no mutation events). |
| 48 | // Returns how much could be added before length limit was met. |
| 49 | unsigned parserAppendData(const String& string, unsigned offset, unsigned lengthLimit); |
| 50 | |
Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 51 | protected: |
Torne (Richard Coles) | 5267f70 | 2013-06-11 10:57:24 +0100 | [diff] [blame] | 52 | CharacterData(TreeScope* treeScope, const String& text, ConstructionType type) |
| 53 | : Node(treeScope, type) |
Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 54 | , m_data(!text.isNull() ? text : emptyString()) |
| 55 | { |
| 56 | ASSERT(type == CreateOther || type == CreateText || type == CreateEditingText); |
| 57 | ScriptWrappable::init(this); |
| 58 | } |
| 59 | |
| 60 | void setDataWithoutUpdate(const String& data) |
| 61 | { |
| 62 | ASSERT(!data.isNull()); |
| 63 | m_data = data; |
| 64 | } |
Torne (Richard Coles) | 5267f70 | 2013-06-11 10:57:24 +0100 | [diff] [blame] | 65 | void didModifyData(const String& oldValue); |
Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 66 | |
| 67 | private: |
| 68 | virtual String nodeValue() const OVERRIDE FINAL; |
Ben Murdoch | e69819b | 2013-07-17 14:56:49 +0100 | [diff] [blame] | 69 | virtual void setNodeValue(const String&) OVERRIDE FINAL; |
Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 70 | virtual bool isCharacterDataNode() const OVERRIDE FINAL { return true; } |
| 71 | virtual int maxCharacterOffset() const OVERRIDE FINAL; |
| 72 | virtual bool offsetInCharacters() const OVERRIDE FINAL; |
| 73 | void setDataAndUpdate(const String&, unsigned offsetOfReplacedData, unsigned oldLength, unsigned newLength); |
| 74 | void checkCharDataOperation(unsigned offset, ExceptionCode&); |
Torne (Richard Coles) | 5267f70 | 2013-06-11 10:57:24 +0100 | [diff] [blame] | 75 | void dispatchModifiedEvent(const String& oldValue); |
Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 76 | |
| 77 | String m_data; |
| 78 | }; |
| 79 | |
| 80 | } // namespace WebCore |
| 81 | |
| 82 | #endif // CharacterData_h |