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86 lines
3.2 KiB
C++
86 lines
3.2 KiB
C++
/*
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* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
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* (C) 1999 Antti Koivisto (koivisto@kde.org)
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* Copyright (C) 2003, 2004, 2005, 2006, 2008, 2009 Apple Inc. All rights reserved.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*
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*/
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#ifndef SKY_ENGINE_CORE_DOM_CHARACTERDATA_H_
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#define SKY_ENGINE_CORE_DOM_CHARACTERDATA_H_
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#include "sky/engine/core/dom/Node.h"
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#include "sky/engine/wtf/text/WTFString.h"
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namespace blink {
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class ExceptionState;
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class CharacterData : public Node {
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DEFINE_WRAPPERTYPEINFO();
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public:
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void atomize();
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const String& data() const { return m_data; }
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void setData(const String&);
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unsigned length() const { return m_data.length(); }
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String substringData(unsigned offset, unsigned count, ExceptionState&);
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void appendData(const String&);
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void replaceData(unsigned offset, unsigned count, const String&, ExceptionState&);
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enum RecalcStyleBehavior { DoNotRecalcStyle, DeprecatedRecalcStyleImmediatlelyForEditing };
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void insertData(unsigned offset, const String&, ExceptionState&, RecalcStyleBehavior = DoNotRecalcStyle);
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void deleteData(unsigned offset, unsigned count, ExceptionState&, RecalcStyleBehavior = DoNotRecalcStyle);
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bool containsOnlyWhitespace() const;
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StringImpl* dataImpl() { return m_data.impl(); }
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void parserAppendData(const String&);
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protected:
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CharacterData(TreeScope& treeScope, const String& text, ConstructionType type)
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: Node(&treeScope, type)
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, m_data(!text.isNull() ? text : emptyString())
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{
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ASSERT(type == CreateOther || type == CreateText || type == CreateEditingText);
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}
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void setDataWithoutUpdate(const String& data)
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{
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ASSERT(!data.isNull());
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m_data = data;
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}
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void didModifyData(const String& oldValue);
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String m_data;
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private:
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virtual int maxCharacterOffset() const override final;
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virtual bool offsetInCharacters() const override final;
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void setDataAndUpdate(const String&, unsigned offsetOfReplacedData, unsigned oldLength, unsigned newLength, RecalcStyleBehavior = DoNotRecalcStyle);
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bool isContainerNode() const = delete; // This will catch anyone doing an unnecessary check.
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bool isElementNode() const = delete; // This will catch anyone doing an unnecessary check.
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};
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// TODO(esprehn): In sky all CharacterData nodes are Text, merge the classes.
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DEFINE_NODE_TYPE_CASTS(CharacterData, isTextNode());
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} // namespace blink
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#endif // SKY_ENGINE_CORE_DOM_CHARACTERDATA_H_
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