42 lines
735 B
C
42 lines
735 B
C
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#ifndef _BITLIST_H
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#define _BITLIST_H
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#include "memblock.h"
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class BitList {
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public:
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BitList(unsigned int size=0) {
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setSize(size);
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}
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int getitem(int n) const {
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if (n < 0 || n >= m_size) return 0;
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return (m_list[n>>3]>>(n&7))&1;
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}
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void setitem(int n, int v) {
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if (n >= 0 && n < m_size) {
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int lv=1<<(n&7);
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if (v) m_list[n>>3]|=lv;
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else m_list[n>>3]&=~lv;
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}
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}
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int operator[](int n) const { return getitem(n); }
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int getSize() const { // in bits
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return m_size;
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}
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void setSize(unsigned int newsize) {
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m_list.setSize((newsize+7)>>3);
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m_size = newsize;
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}
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int getsize() const { return m_size; }
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private:
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MemBlock< uint8_t> m_list;
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int m_size;
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};
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#endif
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