in204:tds:sujets:td7:counter_hpp
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in204:tds:sujets:td7:counter_hpp [2019/11/05 08:45] bmonsuez created |
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| - | <code cpp> | ||
| - | #ifndef COUNTER_HPP | ||
| - | #define COUNTER_HPP | ||
| - | |||
| - | class BaseCounter | ||
| - | { | ||
| - | protected: | ||
| - | unsigned counter; | ||
| - | unsigned max; | ||
| - | |||
| - | public: | ||
| - | unsigned getCounter() const { return counter; } | ||
| - | unsigned getMax() const { return max; } | ||
| - | void reset() { counter = 0; } | ||
| - | void set(unsigned value) { counter = value; } | ||
| - | void setMax(unsigned value) | ||
| - | { | ||
| - | max = value; | ||
| - | if(value > counter) | ||
| - | counter = counter % max; | ||
| - | } | ||
| - | |||
| - | protected: | ||
| - | BaseCounter(): counter(0), max(0) {} | ||
| - | BaseCounter(unsigned theCounter, | ||
| - | unsigned theMax): counter(theCounter), max(theMax) | ||
| - | {} | ||
| - | explicit BaseCounter(unsigned theMax): | ||
| - | max(theMax), counter(0) | ||
| - | {} | ||
| - | BaseCounter(const BaseCounter& anotherCounter): | ||
| - | counter(anotherCounter.counter), | ||
| - | max(anotherCounter.max) | ||
| - | {} | ||
| - | ~BaseCounter() | ||
| - | {} | ||
| - | }; | ||
| - | |||
| - | class ForwardCounter: public virtual BaseCounter | ||
| - | { | ||
| - | public: | ||
| - | void increment() | ||
| - | { | ||
| - | if(counter < max) | ||
| - | counter = counter + 1; | ||
| - | else | ||
| - | counter = 0; | ||
| - | } | ||
| - | |||
| - | ForwardCounter(): BaseCounter() {} | ||
| - | ForwardCounter(const ForwardCounter& aCounter): BaseCounter(aCounter) {} | ||
| - | explicit ForwardCounter(unsigned theMaxValue): ForwardCounter(0, theMaxValue) {} | ||
| - | ForwardCounter(unsigned theCounter, unsigned theMaxValue): BaseCounter(theCounter, theMaxValue) {} | ||
| - | }; | ||
| - | |||
| - | class BackwardCounter: public virtual BaseCounter | ||
| - | { | ||
| - | public: | ||
| - | void decrement() | ||
| - | { | ||
| - | if(counter > 0) | ||
| - | counter = counter -1; | ||
| - | else | ||
| - | counter = max; | ||
| - | } | ||
| - | BackwardCounter(): BaseCounter() {} | ||
| - | BackwardCounter(const ForwardCounter& aCounter): BaseCounter(aCounter) {} | ||
| - | explicit BackwardCounter(unsigned theMaxValue): BackwardCounter(0, theMaxValue) {} | ||
| - | BackwardCounter(unsigned theCounter, unsigned theMaxValue): BaseCounter(theCounter, theMaxValue) {} | ||
| - | }; | ||
| - | |||
| - | class BiDiCounter: public ForwardCounter, public BackwardCounter | ||
| - | { | ||
| - | public: | ||
| - | BiDiCounter(): ForwardCounter(), BackwardCounter() {} | ||
| - | BiDiCounter(const BiDiCounter& aCounter): | ||
| - | ForwardCounter(aCounter), | ||
| - | BackwardCounter((const BackwardCounter&)aCounter), | ||
| - | BaseCounter(aCounter) {} | ||
| - | BiDiCounter(unsigned theMaxValue): BiDiCounter(0, theMaxValue) {} | ||
| - | BiDiCounter(unsigned theCounter, unsigned theMaxValue): | ||
| - | ForwardCounter(theCounter, theMaxValue), | ||
| - | BackwardCounter(theCounter, theMaxValue), | ||
| - | BaseCounter(theCounter, theMaxValue) {} | ||
| - | }; | ||
| - | #endif // COUNTER_HPP | ||
| - | </code> | ||
in204/tds/sujets/td7/counter_hpp.1572943554.txt.gz · Last modified: 2019/11/05 08:45 by bmonsuez
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