UChar.h++

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#ifndef __ccxx_UChar_hxx
#define __ccxx_UChar_hxx

#include <commonc++/Common.h++>

namespace ccxx {

class COMMONCPP_API UChar
{
  public:

  UChar();

  explicit UChar(char c);

  explicit UChar(char16_t c);

  UChar(int c);

  ~UChar();

  UChar& operator=(char c) throw();

  UChar& operator=(char16_t c) throw();

  UChar& operator=(int c) throw();

  bool isNul() const throw();

  bool isLetter() const throw();

  bool isDigit() const throw();

  bool isSign() const throw();

  bool isWhitespace() const throw();

  bool isLowerCase() const throw();

  bool isUpperCase() const throw();

  UChar toLowerCase() const throw();

  UChar toUpperCase() const throw();

  bool isLowSurrogate() const throw();

  bool isHighSurrogate() const throw();

  inline operator char16_t() const throw()
  { return(_char); }

  inline bool operator!() const throw()
  { return(isNul()); }

  static const UChar nul;

  static bool isNul(char16_t c) throw();

  static bool isLetter(char16_t c) throw();

  static bool isDigit(char16_t c) throw();

  static bool isSign(char16_t c) throw();

  static bool isWhitespace(char16_t c) throw();

  static bool isLowerCase(char16_t c) throw();

  static bool isUpperCase(char16_t c) throw();

  static char16_t toLowerCase(char16_t c) throw();

  static char16_t toUpperCase(char16_t c) throw();

  static bool isLowSurrogate(char16_t c) throw();

  static bool isHighSurrogate(char16_t c) throw();

  static char toASCII(char16_t c) throw();

  private:

  char16_t _char;
};

} // namespace ccxx

#endif // __ccxx_UChar_hxx