56 lines
1.6 KiB
C
56 lines
1.6 KiB
C
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#ifndef FSFW_CONTAINER_DYNAMICFIFO_H_
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#define FSFW_CONTAINER_DYNAMICFIFO_H_
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#include "FIFOBase.h"
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#include <vector>
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/**
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* @brief Simple First-In-First-Out data structure. The maximum size
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* can be set in the constructor.
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* @details
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* The maximum capacity can be determined at run-time, so this container
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* performs dynamic memory allocation!
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* The public interface of FIFOBase exposes the user interface for the FIFO.
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* @tparam T Entry Type
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* @tparam capacity Maximum capacity
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*/
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template<typename T>
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class DynamicFIFO: public FIFOBase<T> {
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public:
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DynamicFIFO(size_t maxCapacity): FIFOBase<T>(nullptr, maxCapacity),
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fifoVector(maxCapacity) {
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// trying to pass the pointer of the uninitialized vector
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// to the FIFOBase constructor directly lead to a super evil bug.
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// So we do it like this now.
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this->setContainer(fifoVector.data());
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};
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/**
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* @brief Custom copy constructor which prevents setting the
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* underlying pointer wrong. This function allocates memory!
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* @details This is a very heavy operation so try to avoid this!
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*
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*/
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DynamicFIFO(const DynamicFIFO& other): FIFOBase<T>(other),
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fifoVector(other.maxCapacity) {
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this->fifoVector = other.fifoVector;
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this->setContainer(fifoVector.data());
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}
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/**
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* @brief Custom assignment operator
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* @details This is a very heavy operation so try to avoid this!
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* @param other DyamicFIFO to copy from
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*/
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DynamicFIFO& operator=(const DynamicFIFO& other){
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FIFOBase<T>::operator=(other);
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this->fifoVector = other.fifoVector;
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this->setContainer(fifoVector.data());
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return *this;
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}
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private:
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std::vector<T> fifoVector;
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};
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#endif /* FSFW_CONTAINER_DYNAMICFIFO_H_ */
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