#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&, bool canShowLastCharacterIfSecure = true);
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 UChar*, unsigned dataLength, 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);
}
virtual bool rendererIsNeeded(const NodeRenderingContext&);
void setDataWithoutUpdate(const String& data)
{
ASSERT(!data.isNull());
m_data = data;
}
void dispatchModifiedEvent(const String& oldValue);
private:
virtual String nodeValue() const;
virtual void setNodeValue(const String&, ExceptionCode&);
virtual bool isCharacterDataNode() const { return true; }
virtual int maxCharacterOffset() const;
virtual bool offsetInCharacters() const;
enum LastCharacterBehavior {
DefaultLastCharacterBehavior,
RevealLastCharacterBehavior,
SecureLastCharacterBehavior,
};
void setDataAndUpdate(const String&, unsigned offsetOfReplacedData, unsigned oldLength, unsigned newLength, LastCharacterBehavior = DefaultLastCharacterBehavior);
void updateRenderer(unsigned offsetOfReplacedData, unsigned lengthOfReplacedData, LastCharacterBehavior = DefaultLastCharacterBehavior);
void checkCharDataOperation(unsigned offset, ExceptionCode&);
String m_data;
};
}
#endif // CharacterData_h