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#ifndef nsCaseConversionImp2_h__
#define nsCaseConversionImp2_h__

#include "nsCom.h"
#include "nsISupports.h"

#include "nsICaseConversion.h"

nsresult NS_NewCaseConversion(nsISupports** oResult);

class nsCaseConversionImp2 : public nsICaseConversion { 
  NS_DECL_ISUPPORTS 

public:
  nsCaseConversionImp2();
  virtual ~nsCaseConversionImp2();


  NS_IMETHOD ToUpper(PRUnichar aChar, PRUnichar* aReturn);

  NS_IMETHOD ToLower(PRUnichar aChar, PRUnichar* aReturn);

  NS_IMETHOD ToTitle(PRUnichar aChar, PRUnichar* aReturn);

  NS_IMETHOD ToUpper(const PRUnichar* anArray, PRUnichar* aReturn, PRUint32 aLen);

  NS_IMETHOD ToLower(const PRUnichar* anArray, PRUnichar* aReturn, PRUint32 aLen);

  NS_IMETHOD ToTitle(const PRUnichar* anArray, PRUnichar* aReturn, 
                     PRUint32 aLen, PRBool aStartInWordBoundary = PR_TRUE);
   
  NS_IMETHOD ToUpper(const PRUnichar* anIn, PRUint32 aLen, nsString& anOut, const PRUnichar* aLocale=nsnull) ;
  NS_IMETHOD ToLower(const PRUnichar* anIn, PRUint32 aLen, nsString& anOut, const PRUnichar* aLocale=nsnull );
  NS_IMETHOD ToTitle(const PRUnichar* anIn, PRUint32 aLen, nsString& anOut, const PRUnichar* aLocale=nsnull, PRBool aStartInWordBoundary=PR_TRUE) ;
private:
  static nsrefcnt gInit;
};

#endif