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72 lines
2.0 KiB
C++
72 lines
2.0 KiB
C++
//
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// FILE: Set.h
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// AUTHOR: Rob Tillaart
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// VERSION: 0.1.10
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// PURPOSE: SET library for Arduino
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// URL:
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//
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// HISTORY:
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// see Set.cpp file
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//
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#ifndef Set_h
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#define Set_h
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#if ARDUINO < 100
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#include <WProgram.h>
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#else
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#include <Arduino.h>
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#endif
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#define SET_LIB_VERSION "0.1.10"
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class Set
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{
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public:
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explicit Set(const bool clear = true); // create empty Set
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Set(const Set &t); // create copy Set
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void clr(); // clear the Set
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void invert(); // flip all elements in the Set
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uint8_t count() const; // return the #elements
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bool isEmpty();
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void add(const uint8_t); // add element to the Set
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void sub(const uint8_t); // remove element from Set
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void invert(const uint8_t); // flip element in Set
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bool has(const uint8_t); // element is in Set
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Set operator + (const Set &); // union
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Set operator - (const Set &); // diff
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Set operator * (const Set &); // intersection
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void operator += (const Set &); // union
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void operator -= (const Set &); // diff
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void operator *= (const Set &); // intersection
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bool operator == (const Set &) const; // equal
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bool operator != (const Set &) const; // not equal
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bool operator <= (const Set &) const; // is subSet,
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// a superSet b is not implemented as one could
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// say b subSet a (b <= a)
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// a <= b
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// iterating through the Set
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// returns value or -1 if not exist
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int first(); // find first element
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int next(); // find next element
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int prev(); // find previous element
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int last(); // find last element
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private:
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uint8_t _mem[32]; // can hold 0..255
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uint8_t masks[8] = {1, 2, 4, 8, 16, 32, 64, 128};
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int _current;
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int findNext(const uint8_t, const uint8_t); // helper for first, next
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int findPrev(const uint8_t, const uint8_t); // helper for last, prev
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};
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#endif
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//
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// END OF FILE
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//
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