TDMtermite/lib/tdm_datatype.hpp

326 lines
8.6 KiB
C++

// -------------------------------------------------------------------------- //
#ifndef TDMDATATYPE
#define TDMDATATYPE
// https://zone.ni.com/reference/de-XX/help/370858P-0113/tdmdatamodel/tdmdatamodel/tdm_header_tdx_data/
// !!!! define mapping of locally supported datatypes to tdm datatypes
// !!!! this is where the magic happens !!!
typedef short int eInt16Usi;
typedef int eInt32Usi;
typedef unsigned char eUInt8Usi;
typedef unsigned short int eUInt16Usi;
typedef unsigned int eUInt32Usi;
typedef float eFloat32Usi;
typedef double eFloat64Usi;
class tdmdatatype
{
protected:
eInt16Usi sint16_; // 0
eInt32Usi sint32_; // 1
eUInt8Usi uint8_; // 2
eUInt16Usi uint16_; // 3
eUInt32Usi uint32_; // 4
eFloat32Usi float32_; // 5
eFloat64Usi float64_; // 6
short int dtidx_; // \in \{0,...,6\}
public:
tdmdatatype(): sint16_(0), sint32_(0),
uint8_(0), uint16_(0), uint32_(0),
float32_(0.0), float64_(0.0),
dtidx_(0) { };
// every supported datatype gets its own constructor
tdmdatatype(eInt16Usi num): sint16_(num), dtidx_(0) {};
tdmdatatype(eInt32Usi num): sint32_(num), dtidx_(1) {};
tdmdatatype(eUInt8Usi num): uint8_(num), dtidx_(2) {};
tdmdatatype(eUInt16Usi num): uint16_(num), dtidx_(3) {};
tdmdatatype(eUInt32Usi num): uint32_(num), dtidx_(4) {};
tdmdatatype(eFloat32Usi num): float32_(num), dtidx_(5) {};
tdmdatatype(eFloat64Usi num): float64_(num), dtidx_(6) {};
// identify type
short int& dtype() { return dtidx_; }
// overall assignment operator
tdmdatatype& operator=(const tdmdatatype &num)
{
if ( this != &num )
{
this->sint16_ = num.sint16_;
this->sint32_ = num.sint32_;
this->uint8_ = num.uint8_;
this->uint16_ = num.uint16_;
this->uint32_ = num.uint32_;
this->float32_ = num.float32_;
this->float64_ = num.float64_;
}
return *this;
}
// implement assignment operator for individual datatypes
tdmdatatype& operator=(const eInt16Usi &num)
{
this->sint16_ = num;
this->dtidx_ = 0;
return *this;
}
tdmdatatype& operator=(const eInt32Usi &num)
{
this->sint32_ = num;
this->dtidx_ = 1;
return *this;
}
tdmdatatype& operator=(const eUInt8Usi &num)
{
this->uint8_ = num;
this->dtidx_ = 2;
return *this;
}
tdmdatatype& operator=(const eUInt16Usi &num)
{
this->uint16_ = num;
this->dtidx_ = 3;
return *this;
}
tdmdatatype& operator=(const eUInt32Usi &num)
{
this->uint32_ = num;
this->dtidx_ = 4;
return *this;
}
tdmdatatype& operator=(const eFloat32Usi &num)
{
this->float32_ = num;
this->dtidx_ = 5;
return *this;
}
tdmdatatype& operator=(const eFloat64Usi &num)
{
this->float64_ = num;
this->dtidx_ = 6;
return *this;
}
// obtain number as double
double as_double()
{
double num = 0.0;
if ( dtidx_ == 0 ) num = (double)sint16_;
else if ( dtidx_ == 1 ) num = (double)sint32_;
else if ( dtidx_ == 2 ) num = (double)uint8_;
else if ( dtidx_ == 3 ) num = (double)uint16_;
else if ( dtidx_ == 4 ) num = (double)uint32_;
else if ( dtidx_ == 5 ) num = (double)float32_;
else if ( dtidx_ == 6 ) num = (double)float64_;
return num;
}
// define custom stream operator to print the correct type
friend std::ostream& operator<<(std::ostream& out, const tdmdatatype& num)
{
if ( num.dtidx_ == 0 ) out<<num.sint16_;
else if ( num.dtidx_ == 1 ) out<<num.sint32_;
else if ( num.dtidx_ == 2 ) out<<num.uint8_;
else if ( num.dtidx_ == 3 ) out<<num.uint16_;
else if ( num.dtidx_ == 4 ) out<<num.uint32_;
else if ( num.dtidx_ == 5 ) out<<num.float32_;
else if ( num.dtidx_ == 6 ) out<<num.float64_;
return out;
}
};
// // base class for all tdm datatypes
// class tdmdatatype
// {
// protected:
// short int sint16_;
// int sint32_;
// unsigned char uint8_;
// unsigned short int uint16_;
// unsigned int uint32_;
// float float32_;
// double float64_;
// public:
// tdmdatatype(): sint16_(0), sint32_(0),
// uint8_(0), uint16_(0), uint32_(0),
// float32_(0.0), float64_(0.0) {};
// virtual ~tdmdatatype() = default;
// friend std::ostream& operator<<(std::ostream& out, const tdmdatatype& num)
// {
// return num.print(out);
// }
// virtual std::ostream& print(std::ostream& out) const
// {
// out<<"tdmdatatype";
// return out;
// }
// };
// class eInt16Usi: public tdmdatatype
// {
// public:
// eInt16Usi() { }
// eInt16Usi(short int num) { sint16_ = num; }
// // eInt16Usi& operator=(const eInt16Usi &num)
// // {
// // // self-assignment check
// // if ( this != &num)
// // {
// // this->sint16_ = num.sint16_;
// // }
// // return *this;
// // }
// friend std::ostream& operator<<(std::ostream& out, const eInt16Usi& num)
// {
// return num.print(out);
// }
// std::ostream& print(std::ostream& out) const override
// {
// out<<sint16_;
// return out;
// }
// };
//
// class eInt32Usi: public tdmdatatype
// {
// public:
// eInt32Usi() { }
// eInt32Usi(int num) { sint32_ = num; }
// friend std::ostream& operator<<(std::ostream& out, const eInt32Usi& num)
// {
// return num.print(out);
// }
// std::ostream& print(std::ostream& out) const override
// {
// out<<sint32_;
// return out;
// }
// };
//
// class eUInt8Usi: public tdmdatatype
// {
// public:
// eUInt8Usi() { }
// eUInt8Usi(int num) { uint8_ = num; }
// friend std::ostream& operator<<(std::ostream& out, const eUInt8Usi& num)
// {
// return num.print(out);
// }
// std::ostream& print(std::ostream& out) const override
// {
// out<<uint8_;
// return out;
// }
// };
//
// class eUInt16Usi: public tdmdatatype
// {
// public:
// eUInt16Usi() { }
// eUInt16Usi(int num) { uint16_ = num; }
// friend std::ostream& operator<<(std::ostream& out, const eUInt16Usi& num)
// {
// return num.print(out);
// }
// std::ostream& print(std::ostream& out) const override
// {
// out<<uint16_;
// return out;
// }
// };
//
// class eUInt32Usi: public tdmdatatype
// {
// public:
// eUInt32Usi() { }
// eUInt32Usi(int num) { uint32_ = num; }
// friend std::ostream& operator<<(std::ostream& out, const eUInt32Usi& num)
// {
// return num.print(out);
// }
// std::ostream& print(std::ostream& out) const override
// {
// out<<uint32_;
// return out;
// }
// };
//
// class eFloat32Usi: public tdmdatatype
// {
// public:
// eFloat32Usi() { }
// eFloat32Usi(int num) { float32_ = num; }
// friend std::ostream& operator<<(std::ostream& out, const eFloat32Usi& num)
// {
// return num.print(out);
// }
// std::ostream& print(std::ostream& out) const override
// {
// out<<float32_;
// return out;
// }
// };
//
// class eFloat64Usi: public tdmdatatype
// {
// public:
// eFloat64Usi() { }
// eFloat64Usi(int num) { float64_ = num; }
// friend std::ostream& operator<<(std::ostream& out, const eFloat64Usi& num)
// {
// return num.print(out);
// }
// std::ostream& print(std::ostream& out) const override
// {
// out<<float64_;
// return out;
// }
// };
struct tdm_datatype {
std::string name_;
std::string channel_datatype_;
int numeric_;
std::string value_sequence_;
unsigned int size_;
std::string description_;
const std::string get_info() { return get_info(defformat); }
const std::string get_info(format& formatter)
{
formatter.set_columns( { std::make_pair("name",name_),
std::make_pair("channel_datatype",channel_datatype_),
std::make_pair("name",name_),
std::make_pair("value_sequence",value_sequence_),
std::make_pair("size",std::to_string(size_)),
std::make_pair("description",description_) } );
return formatter.get_info();
}
};
const std::vector<tdm_datatype> tdm_datatypes = {
{"eInt16Usi","DT_SHORT",2,"short_sequence",2,"signed 16 bit integer"},
{"eInt32Usi","DT_LONG",6,"long_sequence",4,"signed 32 bit integer"},
{"eUInt8Usi","DT_BYTE",5,"byte_sequence",1,"unsigned 8 bit integer"},
{"eUInt16Usi","DT_SHORT",2,"short_sequence",2,"unsigned 16 bit integer"},
{"eUInt32Usi","DT_LONG",6,"long_sequence",4,"unsigned 32 bit integer"},
{"eFloat32Usi","DT_FLOAT",3,"float_sequence",4,"32 bit float"},
{"eFloat64Usi","DT_DOUBLE",7,"double_sequence",8,"64 bit double"},
// {"eStringUsi","DT_STRING",1,"string_sequence",0,"text"}
};
#endif
// -------------------------------------------------------------------------- //