fsfw/container/DynamicFIFO.h

#ifndef FSFW_CONTAINER_DYNAMICFIFO_H_
#define FSFW_CONTAINER_DYNAMICFIFO_H_

#include "FIFOBase.h"
#include <vector>

/**
 * @brief     Simple First-In-First-Out data structure. The maximum size
 *             can be set in the constructor.
 * @details
 * The maximum capacity can be determined at run-time, so this container
 * performs dynamic memory allocation!
 * The public interface of FIFOBase exposes the user interface for the FIFO.
 * @tparam T Entry Type
 * @tparam capacity Maximum capacity
 */
template<typename T>
class DynamicFIFO: public FIFOBase<T> {
public:
    DynamicFIFO(size_t maxCapacity): FIFOBase<T>(nullptr, maxCapacity),
            fifoVector(maxCapacity)  {
        // trying to pass the pointer of the uninitialized vector
        // to the FIFOBase constructor directly lead to a super evil bug.
        // So we do it like this now.
        this->setContainer(fifoVector.data());
    };

    /**
     * @brief    Custom copy constructor which prevents setting the
     *             underlying pointer wrong. This function allocates memory!
     * @details This is a very heavy operation so try to avoid this!
     *
     */
    DynamicFIFO(const DynamicFIFO& other): FIFOBase<T>(other),
            fifoVector(other.maxCapacity) {
        this->fifoVector = other.fifoVector;
        this->setContainer(fifoVector.data());
    }

    /**
     * @brief Custom assignment operator
     * @details This is a very heavy operation so try to avoid this!
     * @param other DyamicFIFO to copy from
     */
    DynamicFIFO& operator=(const DynamicFIFO& other){
        FIFOBase<T>::operator=(other);
        this->fifoVector = other.fifoVector;
        this->setContainer(fifoVector.data());
        return *this;
    }
private:
    std::vector<T> fifoVector;
};

#endif /* FSFW_CONTAINER_DYNAMICFIFO_H_ */