61 lines
1.4 KiB
C++
61 lines
1.4 KiB
C++
#ifndef FSFW_UTIL_DATAWRAPPER_H
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#define FSFW_UTIL_DATAWRAPPER_H
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#include <cstddef>
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#include <cstdint>
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#include <utility>
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#include "fsfw/serialize.h"
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namespace util {
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struct RawData {
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RawData() = default;
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const uint8_t* data = nullptr;
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size_t len = 0;
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};
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enum DataTypes { NONE, RAW, SERIALIZABLE };
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union DataUnion {
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RawData raw{};
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SerializeIF* serializable;
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};
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struct DataWrapper {
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DataTypes type = DataTypes::NONE;
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DataUnion dataUnion;
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using BufPairT = std::pair<const uint8_t*, size_t>;
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[[nodiscard]] size_t getLength() const {
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if (type == DataTypes::RAW) {
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return dataUnion.raw.len;
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} else if (type == DataTypes::SERIALIZABLE and dataUnion.serializable != nullptr) {
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return dataUnion.serializable->getSerializedSize();
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}
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return 0;
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}
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[[nodiscard]] bool isNull() const {
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if ((type == DataTypes::NONE) or (type == DataTypes::RAW and dataUnion.raw.data == nullptr) or
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(type == DataTypes::SERIALIZABLE and dataUnion.serializable == nullptr)) {
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return true;
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}
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return false;
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}
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void setRawData(BufPairT bufPair) {
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type = DataTypes::RAW;
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dataUnion.raw.data = bufPair.first;
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dataUnion.raw.len = bufPair.second;
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}
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void setSerializable(SerializeIF& serializable) {
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type = DataTypes::SERIALIZABLE;
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dataUnion.serializable = &serializable;
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}
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};
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} // namespace util
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#endif // FSFW_UTIL_DATAWRAPPER_H
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