#ifndef CharacterData_h
#define CharacterData_h
#include "Node.h"
#include <wtf/text/WTFString.h>
namespace WebCore {
class CharacterData : public Node {
public:
String data() const { return m_data; }
void setData(const String&, ExceptionCode&);
unsigned length() const { return m_data.length(); }
String substringData(unsigned offset, unsigned count, ExceptionCode&);
void appendData(const String&, ExceptionCode&);
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(); }
unsigned parserAppendData(const String& string, unsigned offset, unsigned lengthLimit);
protected:
CharacterData(Document* document, const String& text, ConstructionType type)
: Node(document, type)
, m_data(!text.isNull() ? text : emptyString())
{
ASSERT(type == CreateOther || type == CreateText || type == CreateEditingText);
}
void setDataWithoutUpdate(const String& data)
{
ASSERT(!data.isNull());
m_data = data;
}
void dispatchModifiedEvent(const String& oldValue);
private:
virtual String nodeValue() const OVERRIDE FINAL;
virtual void setNodeValue(const String&, ExceptionCode&) 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&);
String m_data;
};
}
#endif // CharacterData_h