Method Load

Source/cmBuildDatabase.cxx:177–410

  } while (0)

std::unique_ptr<cmBuildDatabase> cmBuildDatabase::Load(std::string const& path)
{
  Json::Value mcdb;
  {
    cmsys::ifstream mcdbf(path.c_str(), std::ios::in | std::ios::binary);
    Json::Reader reader;
    if (!reader.parse(mcdbf, mcdb, false)) {
      cmSystemTools::Error(
        cmStrCat("-E cmake_module_compile_db failed to parse ", path,
                 reader.getFormattedErrorMessages()));
      return {};
    }
  }

  Json::Value const& version = mcdb["version"];
  if (version.asUInt() > 1) {
    cmSystemTools::Error(
      cmStrCat("-E cmake_module_compile_db failed to parse ", path,
               ": version ", version.asString()));
    return {};
  }

  auto db = cm::make_unique<cmBuildDatabase>();

  Json::Value const& sets = mcdb["sets"];
  if (sets.isArray()) {
    for (auto const& set : sets) {
      Set Set_;

      Json::Value const& name = set["name"];
      if (!name.isString()) {
        cmSystemTools::Error(
          cmStrCat("-E cmake_module_compile_db failed to parse ", path,
                   ": name is not a string"));
        return {};
      }
      Set_.Name = name.asString();

      Json::Value const& family_name = set["family-name"];
      if (!family_name.isString()) {
        cmSystemTools::Error(
          cmStrCat("-E cmake_module_compile_db failed to parse ", path,
                   ": family-name is not a string"));
        return {};
      }
      Set_.FamilyName = family_name.asString();

      Json::Value const& visible_sets = set["visible-sets"];
      if (!visible_sets.isArray()) {
        cmSystemTools::Error(
          cmStrCat("-E cmake_module_compile_db failed to parse ", path,
                   ": visible-sets is not an array"));
        return {};
      }
      for (auto const& visible_set : visible_sets) {
        if (!visible_set.isString()) {
          cmSystemTools::Error(
            cmStrCat("-E cmake_module_compile_db failed to parse ", path,