36 lines
657 B
C++
36 lines
657 B
C++
// 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 */
|