ICU 50.1.2  50.1.2
enumset.h
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1 /*
2 ******************************************************************************
3 *
4 * Copyright (C) 2012, International Business Machines
5 * Corporation and others. All Rights Reserved.
6 *
7 ******************************************************************************
8 */
9 
15 #ifndef ENUMSET_H
16 #define ENUMSET_H
17 
18 #include "unicode/utypes.h"
19 
20 #if U_SHOW_CPLUSPLUS_API
21 
23 
29 template<typename T, uint32_t minValue, uint32_t limitValue>
30 class EnumSet {
31 public:
32  inline EnumSet() : fBools(0) {}
33  inline EnumSet(const EnumSet<T,minValue,limitValue>& other) : fBools(other.fBools) {}
34  inline ~EnumSet() {}
35  inline void clear() { fBools=0; }
36  inline void add(T toAdd) { set(toAdd, 1); }
37  inline void remove(T toRemove) { set(toRemove, 0); }
38  inline int32_t contains(T toCheck) const { return get(toCheck); }
39  inline void set(T toSet, int32_t v) { fBools=(fBools&(~flag(toSet)))|(v?(flag(toSet)):0); }
40  inline int32_t get(T toCheck) const { return (fBools & flag(toCheck))?1:0; }
41  inline UBool isValidEnum(T toCheck) const { return (toCheck>=minValue&&toCheck<limitValue); }
42  inline UBool isValidValue(int32_t v) const { return (v==0||v==1); }
43  inline const EnumSet<T,minValue,limitValue>& operator=(const EnumSet<T,minValue,limitValue>& other) {
44  fBools = other.fBools;
45  return *this;
46  }
47 
48  inline uint32_t getAll() const {
49  return fBools;
50  }
51 
52 private:
53  inline uint32_t flag(T toCheck) const { return (1<<(toCheck-minValue)); }
54 private:
55  uint32_t fBools;
56 };
57 
59 
60 #endif /* U_SHOW_CPLUSPLUS_API */
61 #endif /* ENUMSET_H */
enum bitset for boolean fields.
Definition: enumset.h:30
#define U_NAMESPACE_BEGIN
This is used to begin a declaration of a public ICU C++ API.
Definition: uversion.h:129
#define U_NAMESPACE_END
This is used to end a declaration of a public ICU C++ API.
Definition: uversion.h:130
Basic definitions for ICU, for both C and C++ APIs.
int8_t UBool
The ICU boolean type.
Definition: umachine.h:200