#ifndef CharacterData_h
#define CharacterData_h
#include "core/dom/Node.h"
#include "wtf/text/WTFString.h"
namespace WebCore {
class ExceptionState;
class CharacterData : public Node {
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&);
enum RecalcStyleBehavior { DoNotRecalcStyle, DeprecatedRecalcStyleImmediatlelyForEditing };
void insertData(unsigned offset, const String&, ExceptionState&, RecalcStyleBehavior = DoNotRecalcStyle);
void deleteData(unsigned offset, unsigned count, ExceptionState&, RecalcStyleBehavior = DoNotRecalcStyle);
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())
{
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);
String m_data;
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, RecalcStyleBehavior = DoNotRecalcStyle);
};
DEFINE_NODE_TYPE_CASTS(CharacterData, isCharacterDataNode());
}
#endif