ICU 76.1: common/unicode/enumset.h Source File

ICU 76.1 76.1

enumset.h
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1// © 2016 and later: Unicode, Inc. and others.
2// License & terms of use: http://www.unicode.org/copyright.html
3/*
4******************************************************************************
5*
6* Copyright (C) 2012,2014 International Business Machines
7* Corporation and others. All Rights Reserved.
8*
9******************************************************************************
10*/
11
17#ifndef ENUMSET_H
18#define ENUMSET_H
19
20#include "unicode/utypes.h"
21
22#if U_SHOW_CPLUSPLUS_API
23
24U_NAMESPACE_BEGIN
25
26/* Can't use #ifndef U_HIDE_INTERNAL_API for the entire EnumSet class, needed in .h file declarations */
33template<typename T, uint32_t minValue, uint32_t limitValue>
34class EnumSet {
35public:
36 inline EnumSet() : fBools(0) {}
37 inline EnumSet(const EnumSet<T,minValue,limitValue>& other) : fBools(other.fBools) {}
38 inline ~EnumSet() {}
39#ifndef U_HIDE_INTERNAL_API
40 inline void clear() { fBools=0; }
41 inline void add(T toAdd) { set(toAdd, 1); }
42 inline void remove(T toRemove) { set(toRemove, 0); }
43 inline int32_t contains(T toCheck) const { return get(toCheck); }
44 inline void set(T toSet, int32_t v) { fBools=(fBools&(~flag(toSet)))|(v?(flag(toSet)):0); }
45 inline int32_t get(T toCheck) const { return (fBools & flag(toCheck))?1:0; }
46 inline UBool isValidEnum(T toCheck) const { return (toCheck>=minValue&&toCheck<limitValue); }
47 inline UBool isValidValue(int32_t v) const { return (v==0||v==1); }
48 inline const EnumSet<T,minValue,limitValue>& operator=(const EnumSet<T,minValue,limitValue>& other) {
49 fBools = other.fBools;
50 return *this;
51 }
52
53 inline uint32_t getAll() const {
54 return fBools;
55 }
56#endif /* U_HIDE_INTERNAL_API */
57
58private:
59 inline uint32_t flag(T toCheck) const { return (1<<(toCheck-minValue)); }
60private:
61 uint32_t fBools;
62};
63
66U_NAMESPACE_END
67
68#endif /* U_SHOW_CPLUSPLUS_API */
69#endif /* ENUMSET_H */
UBool
int8_t UBool
The ICU boolean type, a signed-byte integer.
Definition umachine.h:247
utypes.h
Basic definitions for ICU, for both C and C++ APIs.