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The C and C++ Include Header Files

/usr/include/unicode/enumset.h


$ cat -n /usr/include/unicode/enumset.h

     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	
    12	/**
    13	 * \file
    14	 * \brief C++: internal template EnumSet<>
    15	 */
    16	
    17	#ifndef ENUMSET_H
    18	#define ENUMSET_H
    19	
    20	#include "unicode/utypes.h"
    21	
    22	#if U_SHOW_CPLUSPLUS_API
    23	
    24	U_NAMESPACE_BEGIN
    25	
    26	/* Can't use #ifndef U_HIDE_INTERNAL_API for the entire EnumSet class, needed in .h file declarations */
    27	/**
    28	 * enum bitset for boolean fields. Similar to Java EnumSet<>. 
    29	 * Needs to range check. Used for private instance variables.
    30	 * @internal
    31	 * \cond
    32	 */
    33	template<typename T, uint32_t minValue, uint32_t limitValue>
    34	class EnumSet {
    35	public:
    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	
    58	private:
    59	    inline uint32_t flag(T toCheck) const { return (1<<(toCheck-minValue)); }
    60	private:
    61	    uint32_t fBools;
    62	};
    63	
    64	/** \endcond */
    65	
    66	U_NAMESPACE_END
    67	
    68	#endif /* U_SHOW_CPLUSPLUS_API */
    69	#endif /* ENUMSET_H */