| /* |
| * 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/CoreExport.h" |
| #include "core/dom/Node.h" |
| #include "wtf/text/WTFString.h" |
| |
| namespace blink { |
| |
| class ExceptionState; |
| |
| class CORE_EXPORT CharacterData : public Node { |
| DEFINE_WRAPPERTYPEINFO(); |
| |
| public: |
| void atomize(); |
| const String& data() const { return m_data; } |
| void setData(const String&); |
| unsigned length() const { return m_data.length(); } |
| String substringData(unsigned offset, unsigned count, ExceptionState&); |
| void appendData(const String&); |
| void replaceData(unsigned offset, |
| unsigned count, |
| const String&, |
| ExceptionState&); |
| |
| void insertData(unsigned offset, const String&, ExceptionState&); |
| void deleteData(unsigned offset, unsigned count, ExceptionState&); |
| |
| bool containsOnlyWhitespace() const; |
| |
| StringImpl* dataImpl() { return m_data.impl(); } |
| |
| void parserAppendData(const String&); |
| |
| protected: |
| CharacterData(TreeScope& treeScope, const String& text, ConstructionType type) |
| : Node(&treeScope, type), m_data(!text.isNull() ? text : emptyString()) { |
| DCHECK(type == CreateOther || type == CreateText || |
| type == CreateEditingText); |
| } |
| |
| void setDataWithoutUpdate(const String& data) { |
| DCHECK(!data.isNull()); |
| m_data = data; |
| } |
| enum UpdateSource { |
| UpdateFromParser, |
| UpdateFromNonParser, |
| }; |
| void didModifyData(const String& oldValue, UpdateSource); |
| |
| String m_data; |
| |
| private: |
| String nodeValue() const final; |
| void setNodeValue(const String&) final; |
| bool isCharacterDataNode() const final { return true; } |
| int maxCharacterOffset() const final; |
| void setDataAndUpdate(const String&, |
| unsigned offsetOfReplacedData, |
| unsigned oldLength, |
| unsigned newLength, |
| UpdateSource = UpdateFromNonParser); |
| |
| bool isContainerNode() const = |
| delete; // This will catch anyone doing an unnecessary check. |
| bool isElementNode() const = |
| delete; // This will catch anyone doing an unnecessary check. |
| }; |
| |
| DEFINE_NODE_TYPE_CASTS(CharacterData, isCharacterDataNode()); |
| |
| } // namespace blink |
| |
| #endif // CharacterData_h |