// Copyright (c) 1994 James Clark

// See the file COPYING for copying permission.

#ifndef Priority_INCLUDED

#define Priority_INCLUDED 1

#include <limits.h>

#include "Boolean.h"

#ifdef SP_NAMESPACE

namespace SP_NAMESPACE {

#endif

class Priority {

public:

  typedef unsigned char Type;

  enum {

    data = 0,

    dataDelim = 1,

    function = 2,

    delim = UCHAR_MAX

    };

  static inline Type blank(int n) {

    // `Priority::' works round gcc 2.5.5 bug

    return Priority::Type(n + function);

  }

  static inline Boolean isBlank(Type t) {

    return function < t && t < delim;

  }

};

#ifdef SP_NAMESPACE

}

#endif

#endif /* not Priority_INCLUDED */