1 // Copyright (C) 2016 and later: Unicode, Inc. and others.
2 // License & terms of use: http://www.unicode.org/copyright.html
4 ******************************************************************************
6 * Copyright (C) 2012,2014 International Business Machines
7 * Corporation and others. All Rights Reserved.
9 ******************************************************************************
14 * \brief C++: internal template EnumSet<>
20 #include "unicode/utypes.h"
22 #if U_SHOW_CPLUSPLUS_API
26 /* Can't use #ifndef U_HIDE_INTERNAL_API for the entire EnumSet class, needed in .h file declarations */
28 * enum bitset for boolean fields. Similar to Java EnumSet<>.
29 * Needs to range check. Used for private instance variables.
32 template<typename T, uint32_t minValue, uint32_t limitValue>
35 inline EnumSet() : fBools(0) {}
36 inline EnumSet(const EnumSet<T,minValue,limitValue>& other) : fBools(other.fBools) {}
38 #ifndef U_HIDE_INTERNAL_API
39 inline void clear() { fBools=0; }
40 inline void add(T toAdd) { set(toAdd, 1); }
41 inline void remove(T toRemove) { set(toRemove, 0); }
42 inline int32_t contains(T toCheck) const { return get(toCheck); }
43 inline void set(T toSet, int32_t v) { fBools=(fBools&(~flag(toSet)))|(v?(flag(toSet)):0); }
44 inline int32_t get(T toCheck) const { return (fBools & flag(toCheck))?1:0; }
45 inline UBool isValidEnum(T toCheck) const { return (toCheck>=minValue&&toCheck<limitValue); }
46 inline UBool isValidValue(int32_t v) const { return (v==0||v==1); }
47 inline const EnumSet<T,minValue,limitValue>& operator=(const EnumSet<T,minValue,limitValue>& other) {
48 fBools = other.fBools;
52 inline uint32_t getAll() const {
55 #endif /* U_HIDE_INTERNAL_API */
58 inline uint32_t flag(T toCheck) const { return (1<<(toCheck-minValue)); }
65 #endif /* U_SHOW_CPLUSPLUS_API */
66 #endif /* ENUMSET_H */