fprime/Fw/Types/PolyType.hpp

#ifndef FW_POLY_TYPE_HPP
#define FW_POLY_TYPE_HPP

#include <Fw/FPrimeBasicTypes.hpp>
#include <Fw/Types/SerIds.hpp>
#include <Fw/Types/Serializable.hpp>
#include <Fw/Types/StringType.hpp>

namespace Fw {

class PolyType : public Serializable {
  public:
    PolyType(U8 val);             //!< U8 constructor
    operator U8();                //!< U8 cast operator
    void get(U8& val);            //!< U8 accessor
    bool isU8();                  //!< U8 checker
    PolyType& operator=(U8 val);  //!< U8 operator=

    PolyType(I8 val);             //!< I8 constructor
    operator I8();                //!< I8 cast operator
    void get(I8& val);            //!< I8 accessor
    bool isI8();                  //!< I8 checker
    PolyType& operator=(I8 val);  //!< I8 operator=

#if FW_HAS_16_BIT
    PolyType(U16 val);             //!< U16 constructor
    operator U16();                //!< U16 cast operator
    void get(U16& val);            //!< U16 accessor
    bool isU16();                  //!< U16 checker
    PolyType& operator=(U16 val);  //!< I8 operator=

    PolyType(I16 val);             //!< I16 constructor
    operator I16();                //!< I16 cast operator
    void get(I16& val);            //!< I16 accessor
    bool isI16();                  //!< I16 checker
    PolyType& operator=(I16 val);  //!< I16 operator=
#endif
#if FW_HAS_32_BIT
    PolyType(U32 val);             //!< U32 constructor
    operator U32();                //!< U32 cast operator
    void get(U32& val);            //!< U32 accessor
    bool isU32();                  //!< U32 checker
    PolyType& operator=(U32 val);  //!< U32 operator=

    PolyType(I32 val);             //!< I32 constructor
    operator I32();                //!< I32 cast operator
    void get(I32& val);            //!< I32 accessor
    bool isI32();                  //!< I32 checker
    PolyType& operator=(I32 val);  //!< I32 operator=
#endif
#if FW_HAS_64_BIT
    PolyType(U64 val);             //!< U64 constructor
    operator U64();                //!< U64 cast operator
    void get(U64& val);            //!< U64 accessor
    bool isU64();                  //!< U64 checker
    PolyType& operator=(U64 val);  //!< U64 operator=

    PolyType(I64 val);             //!< I64 constructor
    operator I64();                //!< I64 cast operator
    void get(I64& val);            //!< I64 accessor
    bool isI64();                  //!< I64 checker
    PolyType& operator=(I64 val);  //!< I64 operator=
#endif

    PolyType(F64 val);             //!< F64 constructor
    operator F64();                //!< F64 cast operator
    void get(F64& val);            //!< F64 accessor
    bool isF64();                  //!< F64 checker
    PolyType& operator=(F64 val);  //!< F64 operator=

    PolyType(F32 val);             //!< F32 constructor
    operator F32();                //!< F32 cast operator
    void get(F32& val);            //!< F32 accessor
    bool isF32();                  //!< F32 checker
    PolyType& operator=(F32 val);  //!< F32 operator=

    PolyType(bool val);             //!< bool constructor
    operator bool();                //!< bool cast operator
    void get(bool& val);            //!< bool accessor
    bool isBool();                  //!< bool checker
    PolyType& operator=(bool val);  //!< bool operator=

    PolyType(void* val);             //!< void* constructor.
    operator void*();                //!< void* cast operator
    void get(void*& val);            //!< void* accessor
    bool isPtr();                    //!< void* checker
    PolyType& operator=(void* val);  //!< void* operator=

    PolyType();                          //!< default constructor
    PolyType(const PolyType& original);  //!< copy constructor
    virtual ~PolyType();                 //!< destructor

#if FW_SERIALIZABLE_TO_STRING || BUILD_UT
    void toString(StringBase& dest, bool append) const;  //!< get string representation
    void toString(StringBase& dest) const override;      //!< get string representation
#endif

    PolyType& operator=(const PolyType& src);      //!< PolyType operator=
    bool operator<(const PolyType& other) const;   //!< PolyType operator<
    bool operator>(const PolyType& other) const;   //!< PolyType operator>
    bool operator>=(const PolyType& other) const;  //!< PolyType operator>=
    bool operator<=(const PolyType& other) const;  //!< PolyType operator<=
    bool operator==(const PolyType& other) const;  //!< PolyType operator==
    bool operator!=(const PolyType& other) const;  //!< PolyType operator!=

    SerializeStatus serializeTo(SerialBufferBase& buffer,
                                Fw::Endianness mode = Fw::Endianness::BIG) const override;  //!< Serialize function
    SerializeStatus deserializeFrom(SerialBufferBase& buffer,
                                    Fw::Endianness mode = Fw::Endianness::BIG) override;  //!< Deserialize function

  private:
    typedef enum {
        TYPE_NOTYPE,  // !< No type stored yet
        TYPE_U8,      // !< U8 type stored
        TYPE_I8,      // !< I8 type stored
#if FW_HAS_16_BIT
        TYPE_U16,  // !< U16 type stored
        TYPE_I16,  // !< I16 type stored
#endif
#if FW_HAS_32_BIT
        TYPE_U32,  // !< U32 type stored
        TYPE_I32,  // !< I32 type stored
#endif
#if FW_HAS_64_BIT
        TYPE_U64,  // !< U64 type stored
        TYPE_I64,  // !< I64 type stored
#endif
        TYPE_F32,   // !< F32 type stored
        TYPE_F64,   // !< F64 type stored
        TYPE_BOOL,  // !< bool type stored
        TYPE_PTR    // !< pointer type stored
    } Type;

    Type m_dataType;  //!< member that indicates type being stored

    union PolyVal {
        U8 u8Val;  //!< U8 data storage
        I8 i8Val;  //!< I8 data storage
#if FW_HAS_16_BIT
        U16 u16Val;  //!< U16 data storage
        I16 i16Val;  //!< I16 data storage
#endif
#if FW_HAS_32_BIT
        U32 u32Val;  //!< U32 data storage
        I32 i32Val;  //!< I32 data storage
#endif
#if FW_HAS_64_BIT
        U64 u64Val;  //!< U64 data storage
        I64 i64Val;  //!< I64 data storage
#endif
        F64 f64Val;    //!< F64 data storage
        F32 f32Val;    // !< F32 data storage
        void* ptrVal;  // !< pointer data storage
        bool boolVal;  // !< bool data storage
    } m_val;           // !< stores data value

  public:
    enum {
        SERIALIZED_TYPE_ID = FW_TYPEID_POLY,                         //!< typeid for PolyType
        SERIALIZED_SIZE = sizeof(FwEnumStoreType) + sizeof(PolyVal)  //!< stored serialized size
    };
};

}  // namespace Fw

#endif