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#ifndef FIRMWARE_utils_emulator_io_h
#define FIRMWARE_utils_emulator_io_h
#include <fstream>
#include <vector>
#include "DataFormats/L1TParticleFlow/interface/datatypes.h"
namespace l1ct {
template <typename T>
inline bool writeVar(const T &src, std::fstream &to) {
to.write(reinterpret_cast<const char *>(&src), sizeof(T));
return to.good();
}
template <typename T>
inline bool readVar(std::fstream &from, T &to) {
from.read(reinterpret_cast<char *>(&to), sizeof(T));
return from.good();
}
template <typename T>
bool writeAP(const T &src, std::fstream &to) {
for (unsigned int i = 0, n = T::width; i < n; i += 32) {
ap_uint<32> word = src(std::min(i + 31, n - 1), i);
uint32_t w32 = word.to_uint();
if (!writeVar(w32, to))
return false;
}
return true;
}
template <typename T>
bool readAP(std::fstream &from, T &to) {
uint32_t w32;
for (unsigned int i = 0, n = T::width; i < n; i += 32) {
if (!readVar(from, w32))
return false;
ap_uint<32> word = w32;
to(std::min(i + 31, n - 1), i) = word(std::min(31u, n - i - 1), 0);
}
return true;
}
template <typename T>
bool writeObj(const T &obj, std::fstream &to) {
return writeAP(obj.pack(), to);
}
template <typename T>
bool readObj(std::fstream &from, T &obj) {
ap_uint<T::BITWIDTH> packed;
if (!readAP(from, packed))
return false;
obj = T::unpack(packed);
return true;
}
template <typename T>
bool writeMany(const std::vector<T> &objs, std::fstream &to) {
uint32_t number = objs.size();
writeVar(number, to);
for (uint32_t i = 0; i < number; ++i) {
objs[i].write(to);
}
return to.good();
}
template <int NB>
bool writeMany(const std::vector<ap_uint<NB>> &objs, std::fstream &to) {
uint32_t number = objs.size();
writeVar(number, to);
for (uint32_t i = 0; i < number; ++i) {
writeAP(objs[i], to);
}
return to.good();
}
template <typename T>
bool readMany(std::fstream &from, std::vector<T> &objs) {
uint32_t number = 0;
readVar(from, number);
objs.resize(number);
for (uint32_t i = 0; i < number; ++i)
objs[i].read(from);
return from.good();
}
template <int NB>
bool readMany(std::fstream &from, std::vector<ap_uint<NB>> &objs) {
uint32_t number = 0;
readVar(from, number);
objs.resize(number);
for (uint32_t i = 0; i < number; ++i)
readAP(from, objs[i]);
return from.good();
}
} // namespace l1ct
#endif
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