Export.cpp

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#include "io/Export.hpp"
#include <filesystem>
#include "utils/fmt.hpp"
 
namespace precice::io {
 
bool Export::isParallel() const
{
  return _size > 1;
};
 
std::string Export::formatIndex(int index) const
{
  if (index == 0) {
    return "init";
  }
  using std::string_literals::operator""s;
  return ((_kind == ExportKind::TimeWindows) ? "dt"s : "it"s).append(std::to_string(index));
}
 
void Export::writeSeriesFile(std::string_view filename) const
{
  if (_records.empty())
    return;
 
  namespace fs = std::filesystem;
  fs::path outfile(_location);
  if (not _location.empty()) {
    fs::create_directories(outfile);
  }
  outfile /= filename;
 
  // Prepare filestream
  std::ofstream outFile(outfile.string(), std::ios::trunc);
 
  outFile << R"({ "file-series-version" : "1.0", "files" : [)";
 
  for (std::size_t i = 0; i < _records.size() - 1; ++i) {
    outFile << fmt::format(R"( {{ "name" : "{}", "time" : {} }},)", _records[i].filename, _records[i].time);
  }
  outFile << fmt::format(R"( {{ "name" : "{}", "time" : {} }} ] }})", _records.back().filename, _records.back().time);
}
 
void Export::recordExport(std::string filename, double time)
{
  _records.push_back(Record{filename, time});
}
 
} // namespace precice::io