80 lines
2.0 KiB
C++
80 lines
2.0 KiB
C++
#ifndef FSFW_CONTAINER_FIFOBASE_H_
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#define FSFW_CONTAINER_FIFOBASE_H_
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#include "../returnvalues/HasReturnvaluesIF.h"
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#include <cstddef>
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#include <cstring>
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template <typename T>
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class FIFOBase {
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public:
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static const uint8_t INTERFACE_ID = CLASS_ID::FIFO_CLASS;
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static const ReturnValue_t FULL = MAKE_RETURN_CODE(1);
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static const ReturnValue_t EMPTY = MAKE_RETURN_CODE(2);
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/** Default ctor, takes pointer to first entry of underlying container
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* and maximum capacity */
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FIFOBase(T* values, const size_t maxCapacity);
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/**
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* Insert value into FIFO
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* @param value
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* @return RETURN_OK on success, FULL if full
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*/
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ReturnValue_t insert(T value);
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/**
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* Retrieve item from FIFO. This removes the item from the FIFO.
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* @param value Must point to a valid T
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* @return RETURN_OK on success, EMPTY if empty and FAILED if nullptr check failed
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*/
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ReturnValue_t retrieve(T *value);
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/**
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* Retrieve item from FIFO without removing it from FIFO.
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* @param value Must point to a valid T
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* @return RETURN_OK on success, EMPTY if empty and FAILED if nullptr check failed
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*/
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ReturnValue_t peek(T * value);
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/**
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* Remove item from FIFO.
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* @return RETURN_OK on success, EMPTY if empty
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*/
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ReturnValue_t pop();
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/***
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* Check if FIFO is empty
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* @return True if empty, False if not
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*/
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bool empty();
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/***
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* Check if FIFO is Full
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* @return True if full, False if not
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*/
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bool full();
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/***
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* Current used size (elements) used
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* @return size_t in elements
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*/
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size_t size();
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/***
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* Get maximal capacity of fifo
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* @return size_t with max capacity of this fifo
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*/
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size_t getMaxCapacity() const;
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protected:
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void setContainer(T* data);
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size_t maxCapacity = 0;
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T* values;
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size_t readIndex = 0;
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size_t writeIndex = 0;
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size_t currentSize = 0;
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size_t next(size_t current);
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};
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#include "FIFOBase.tpp"
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#endif /* FSFW_CONTAINER_FIFOBASE_H_ */
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