json.cc

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#include "utils/json.h"
 
#include <filesystem>
#include <fstream>
#include <nlohmann/json.hpp>
#include <stdexcept>
 
using nlohmann::json;
 
namespace hummingbird {
json JSONFromFile(const std::string filename) {
  std::filesystem::path file_path = filename;
  std::ifstream fs_file(filename);
  if (!fs_file.is_open()) {
    std::filesystem::path absolute_path = std::filesystem::absolute(file_path);
    throw std::runtime_error("Could not open mesh file: " +
                             absolute_path.string());
  }
 
  return json::parse(fs_file);
}
}  // namespace hummingbird