16f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org/* 26f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org****************************************************************************** 36f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org* 46f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org* Copyright (C) 2012, International Business Machines 56f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org* Corporation and others. All Rights Reserved. 66f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org* 76f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org****************************************************************************** 86f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org*/ 96f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 106f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org/** 116f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org * \file 126f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org * \brief C++: internal template EnumSet<> 136f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org */ 146f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 156f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org#ifndef ENUMSET_H 166f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org#define ENUMSET_H 176f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 186f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org#include "unicode/utypes.h" 196f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 206f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org#if U_SHOW_CPLUSPLUS_API 216f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 226f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgU_NAMESPACE_BEGIN 236f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 246f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org/** 256f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org * enum bitset for boolean fields. Similar to Java EnumSet<>. 266f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org * Needs to range check. 276f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org * @internal 286f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org */ 296f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgtemplate<typename T, uint32_t minValue, uint32_t limitValue> 306f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgclass EnumSet { 316f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgpublic: 326f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org inline EnumSet() : fBools(0) {} 336f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org inline EnumSet(const EnumSet<T,minValue,limitValue>& other) : fBools(other.fBools) {} 346f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org inline ~EnumSet() {} 356f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org inline void clear() { fBools=0; } 366f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org inline void add(T toAdd) { set(toAdd, 1); } 376f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org inline void remove(T toRemove) { set(toRemove, 0); } 386f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org inline int32_t contains(T toCheck) const { return get(toCheck); } 396f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org inline void set(T toSet, int32_t v) { fBools=(fBools&(~flag(toSet)))|(v?(flag(toSet)):0); } 406f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org inline int32_t get(T toCheck) const { return (fBools & flag(toCheck))?1:0; } 416f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org inline UBool isValidEnum(T toCheck) const { return (toCheck>=minValue&&toCheck<limitValue); } 426f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org inline UBool isValidValue(int32_t v) const { return (v==0||v==1); } 436f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org inline const EnumSet<T,minValue,limitValue>& operator=(const EnumSet<T,minValue,limitValue>& other) { 446f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org fBools = other.fBools; 456f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return *this; 466f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 476f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 486f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org inline uint32_t getAll() const { 496f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org return fBools; 506f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org } 516f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 526f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgprivate: 536f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org inline uint32_t flag(T toCheck) const { return (1<<(toCheck-minValue)); } 546f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgprivate: 556f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org uint32_t fBools; 566f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org}; 576f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 586f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.orgU_NAMESPACE_END 596f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org 606f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org#endif /* U_SHOW_CPLUSPLUS_API */ 616f31ac30b9092fd02a8c97e5216cf53f3e4fae4jshin@chromium.org#endif /* ENUMSET_H */ 62