Erik Fröjdh 788ad8d3b6 Command proxy (#25)
* added cmd proxy

* minor

* minor

* WIP

* clean up

* added comment
2019-05-28 18:01:26 +02:00

101 lines
2.9 KiB
C++

#pragma once
#include <iostream>
#include <map>
#include <sstream>
#include <string>
#include <vector>
#include "logger.h"
#include "sls_detector_exceptions.h"
namespace sls {
template <typename T> class CmdProxy {
public:
explicit CmdProxy(T *detectorPtr) : det(detectorPtr) {}
std::string Call(const std::string &command,
const std::vector<std::string> &arguments,
int detector_id) {
cmd = command;
args = arguments;
det_id = detector_id;
ReplaceIfDepreciated(cmd);
auto it = functions.find(cmd);
if (it != functions.end()) {
std::cout << ((*this).*(it->second))();
return {};
} else {
return cmd;
}
}
bool ReplaceIfDepreciated(std::string &command) {
auto d_it = depreciated_functions.find(command);
if (d_it != depreciated_functions.end()) {
FILE_LOG(logWARNING)
<< "WARNING: " << command
<< " is depreciated and will be removed. Please migrate to: "
<< d_it->second;
command = d_it->second;
return true;
}
return false;
}
size_t GetFunctionMapSize() const noexcept { return functions.size(); };
private:
T *det;
std::string cmd;
std::vector<std::string> args;
int det_id{-1};
using FunctionMap = std::map<std::string, std::string (CmdProxy::*)()>;
using StringMap = std::map<std::string, std::string>;
// Initialize maps for translating name and function
FunctionMap functions{{"newfunc", &CmdProxy::NewFunction}};
StringMap depreciated_functions{{"oldvrfcmd", "vrf"},
{"veryveryold", "vcp"},
{"anothercmd", "vrs"},
{"this_as_well", "enablefwrite"}};
template <typename U> std::string ResultToString(const U &ret) {
std::ostringstream os;
if (det_id != -1)
os << det_id << ":";
os << cmd << " " << ret << "\n";
return os.str();
}
void WrongNumberOfParameters(size_t expected) {
throw RuntimeError("ERROR: Expected " + std::to_string(expected) +
" parameters but got " + std::to_string(args.size()) +
"\n");
}
// Mapped functions
//example
std::string NewFunction() {
if(args.size() == 0){
std::cout << "This is the new function function\n";
return ResultToString(det->setExposureTime(-1, true));
}else if(args.size() == 1){
std::cout << "Setting exposure time to " << args[0] << "s\n";
return ResultToString(det->setExposureTime(std::stod(args[0]), true, det_id));
}else{
WrongNumberOfParameters(1);
return {};
}
}
};
} // namespace sls