LoadLookupTable.h

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#pragma once
 
#include "sgui/Serialization/LoadJson.h"
#include "sgui/Serialization/SerializeCore.h"
 
namespace sgui
{
template <typename Key,
          typename Type>
bool loadFromFile (
  std::unordered_map <Key, Type>& table,
  const std::string& file)
{
  // parse from json
  json j = sgui::loadFromFile (file);
  std::unordered_map <Key, Type> tableData = j;
  for (const auto& data : tableData) {
    table.insert ({data.first, data.second});
  }
  return true;
}

template <typename Key,
          typename Type>
void saveInFile (
  const std::unordered_map <Key, Type>& table,
  const std::string& file,
  const bool compact = false)
{
  // parse in json
  json out = table;
 
  // write in file
  auto output = std::ofstream (file);
  if (compact) {
    output << out << std::endl;
  } else {
    output << std::setw (2) << out << std::endl;
  }
  output.close ();
}
 
} // namespace sgui