C++ In a Nutshell

Name

ctype class template — Facet for classifying characters

Synopsis

class ctype : public locale::facet, public ctype_base
{
public:
  typedef charT char_type;
  explicit ctype(size_t refs = 0);
  bool is(mask m, charT c) const;
  const charT* is(const charT* low, const charT* high, mask* vec) const;
  const charT* scan_is(mask m, const charT* low, const charT* high) const;
  const charT* scan_not(mask m, const charT* low, const charT* high) const;
  charT toupper(charT c) const;
  const charT* toupper(charT* low, const charT* high) const;
  charT tolower(charT c) const;
  const charT* tolower(charT* low, const charT* high) const;
  charT widen(char c) const;
  const char* widen(const char* low, const char* high, charT* to) const;
  char narrow(charT c, char dfault) const;
  const charT* narrow(const charT* low, const charT*, char dfault, char* to)
    const;
  static locale::id id;
protected:
  virtual ~ctype(  );
  virtual bool do_is(mask m, charT c) const;
  virtual const charT* do_is(const charT* low, const charT* high, mask* vec)
    const;
  virtual const charT* do_scan_is(mask m, const charT* low, 
                                  const charT* high) const;
  virtual const charT* do_scan_not(mask m, const charT* low, 
                                   const charT* high) const;
  virtual charT do_toupper(charT) const;
  virtual const charT* do_toupper(charT* low, const charT* high) const;
  virtual charT do_tolower(charT) const;
  virtual const charT* do_tolower(charT* low, const charT* high) const;
  virtual charT do_widen(char) const;
  virtual const char* do_widen(const char* low, const char* high, ...