mirror of
https://github.com/RobTillaart/Arduino.git
synced 2024-10-03 18:09:02 -04:00
77 lines
2.4 KiB
C++
77 lines
2.4 KiB
C++
#pragma once
|
|
//
|
|
// FILE: set.h
|
|
// AUTHOR: Rob Tillaart
|
|
// VERSION: 0.2.7
|
|
// DATE: 2014-09-11
|
|
// PURPOSE: SET library for Arduino
|
|
// URL: https://github.com/RobTillaart/SET
|
|
|
|
|
|
#include "Arduino.h"
|
|
|
|
|
|
#define SET_LIB_VERSION (F("0.2.7"))
|
|
|
|
|
|
class Set
|
|
{
|
|
public:
|
|
explicit Set(const bool clear = true); // create empty Set
|
|
Set(const Set &t); // create copy Set
|
|
|
|
void clear(); // clear the Set
|
|
void clr() { clear(); }; // will become obsolete 0.3.0
|
|
void invert(); // flip all elements in the Set
|
|
void addAll(); // add all elements
|
|
uint16_t count() const; // return the #elements
|
|
bool isEmpty();
|
|
bool isFull();
|
|
|
|
|
|
void add(const uint8_t value); // add element to the Set
|
|
void sub(const uint8_t value); // remove element from Set
|
|
void invert(const uint8_t value); // flip element in Set
|
|
bool has(const uint8_t value); // element is in Set
|
|
|
|
|
|
Set operator + (const Set &); // union
|
|
Set operator - (const Set &); // diff
|
|
Set operator * (const Set &); // intersection
|
|
|
|
void operator += (const Set &); // union
|
|
void operator -= (const Set &); // diff
|
|
void operator *= (const Set &); // intersection
|
|
|
|
|
|
bool operator == (const Set &) const; // equal
|
|
bool operator != (const Set &) const; // not equal
|
|
bool operator <= (const Set &) const; // is subSet,
|
|
// a superSet b is not implemented as one could
|
|
// say b subSet a (b <= a)
|
|
// a <= b
|
|
|
|
|
|
// iterating through the Set
|
|
// returns value or -1 if not exist
|
|
int setCurrent(const uint8_t current); // set element as current
|
|
int first(); // find first element
|
|
int next(); // find next element
|
|
int prev(); // find previous element
|
|
int last(); // find last element
|
|
int getNth(const uint8_t n); // find Nth element in a set (from start)
|
|
|
|
|
|
private:
|
|
uint8_t _mem[32]; // can hold 0..255
|
|
uint8_t _masks[8] = {1, 2, 4, 8, 16, 32, 64, 128};
|
|
int _current = -1;
|
|
|
|
int findNext(const uint8_t p, const uint8_t q); // helper for first, next
|
|
int findPrev(const uint8_t p, const uint8_t q); // helper for last, prev
|
|
};
|
|
|
|
|
|
// -- END OF FILE --
|
|
|