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comparison: intl/icu/source/common/unicode/enumset.h
intl/icu/source/common/unicode/enumset.h
- branch
- TOR_BUG_3246
- changeset 4
- fc2d59ddac77
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| -1:000000000000 | 0:534c30332ee8 |
|---|---|
| 1 /* | |
| 2 ****************************************************************************** | |
| 3 * | |
| 4 * Copyright (C) 2012, International Business Machines | |
| 5 * Corporation and others. All Rights Reserved. | |
| 6 * | |
| 7 ****************************************************************************** | |
| 8 */ | |
| 9 | |
| 10 /** | |
| 11 * \file | |
| 12 * \brief C++: internal template EnumSet<> | |
| 13 */ | |
| 14 | |
| 15 #ifndef ENUMSET_H | |
| 16 #define ENUMSET_H | |
| 17 | |
| 18 #include "unicode/utypes.h" | |
| 19 | |
| 20 #if U_SHOW_CPLUSPLUS_API | |
| 21 | |
| 22 U_NAMESPACE_BEGIN | |
| 23 | |
| 24 /** | |
| 25 * enum bitset for boolean fields. Similar to Java EnumSet<>. | |
| 26 * Needs to range check. | |
| 27 * @internal | |
| 28 */ | |
| 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 | |
| 58 U_NAMESPACE_END | |
| 59 | |
| 60 #endif /* U_SHOW_CPLUSPLUS_API */ | |
| 61 #endif /* ENUMSET_H */ |
