| /* |
| * Copyright (C) 1999 Lars Knoll (knoll@kde.org) |
| * (C) 1999 Antti Koivisto (koivisto@kde.org) |
| * Copyright (C) 2003, 2004, 2005, 2006, 2008, 2009 Apple Inc. All rights reserved. |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Library General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Library General Public License for more details. |
| * |
| * You should have received a copy of the GNU Library General Public License |
| * along with this library; see the file COPYING.LIB. If not, write to |
| * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| * Boston, MA 02110-1301, USA. |
| * |
| */ |
| |
| #ifndef CharacterData_h |
| #define CharacterData_h |
| |
| #include "core/dom/Node.h" |
| #include "wtf/text/WTFString.h" |
| |
| namespace WebCore { |
| |
| class CharacterData : public Node { |
| public: |
| void atomize(); |
| String data() const { return m_data; } |
| void setData(const String&); |
| unsigned length() const { return m_data.length(); } |
| String substringData(unsigned offset, unsigned count, ExceptionCode&); |
| void appendData(const String&); |
| void insertData(unsigned offset, const String&, ExceptionCode&); |
| void deleteData(unsigned offset, unsigned count, ExceptionCode&); |
| void replaceData(unsigned offset, unsigned count, const String&, ExceptionCode&); |
| |
| bool containsOnlyWhitespace() const; |
| |
| StringImpl* dataImpl() { return m_data.impl(); } |
| |
| // Like appendData, but optimized for the parser (e.g., no mutation events). |
| // Returns how much could be added before length limit was met. |
| unsigned parserAppendData(const String& string, unsigned offset, unsigned lengthLimit); |
| |
| protected: |
| CharacterData(TreeScope* treeScope, const String& text, ConstructionType type) |
| : Node(treeScope, type) |
| , m_data(!text.isNull() ? text : emptyString()) |
| { |
| ASSERT(type == CreateOther || type == CreateText || type == CreateEditingText); |
| ScriptWrappable::init(this); |
| } |
| |
| void setDataWithoutUpdate(const String& data) |
| { |
| ASSERT(!data.isNull()); |
| m_data = data; |
| } |
| void didModifyData(const String& oldValue); |
| |
| private: |
| virtual String nodeValue() const OVERRIDE FINAL; |
| virtual void setNodeValue(const String&) OVERRIDE FINAL; |
| virtual bool isCharacterDataNode() const OVERRIDE FINAL { return true; } |
| virtual int maxCharacterOffset() const OVERRIDE FINAL; |
| virtual bool offsetInCharacters() const OVERRIDE FINAL; |
| void setDataAndUpdate(const String&, unsigned offsetOfReplacedData, unsigned oldLength, unsigned newLength); |
| void checkCharDataOperation(unsigned offset, ExceptionCode&); |
| void dispatchModifiedEvent(const String& oldValue); |
| |
| String m_data; |
| }; |
| |
| } // namespace WebCore |
| |
| #endif // CharacterData_h |