51 lines
1005 B
C
51 lines
1005 B
C
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#ifndef BITFIELD_H
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#define BITFIELD_H
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#include <sys/types.h>
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class BitField
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{
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private:
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static size_t nbits;
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static size_t nbytes;
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unsigned char *b;
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size_t nset;
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inline void _recalc();
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inline void _setall(unsigned char* buf);
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public:
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BitField();
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BitField(size_t n_bits);
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BitField(const BitField &bf);
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~BitField(){ if(b) delete []b; }
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void operator=(const BitField &bf);
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void SetAll();
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void SetReferBuffer(char *buf);
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void Set(size_t idx);
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void UnSet(size_t idx);
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int IsSet(size_t idx) const;
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int IsFull() const { return (nset >= nbits) ? 1 : 0; }
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int IsEmpty() const { return (nset == 0) ? 1 : 0; }
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size_t Count() const { return nset;}
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size_t NBytes() const { return nbytes; }
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size_t NBits() const { return nbits; }
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size_t Random() const;
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void Comb(const BitField &bf);
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void Except(const BitField &bf);
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void Invert();
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int WriteToFile(const char *fname);
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int SetReferFile(const char *fname);
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void WriteToBuffer(char *buf);
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};
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#endif
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