Method ReadJSONFile

Source/cmCMakePresetsGraphReadJSON.cxx:472–808

}

bool cmCMakePresetsGraph::ReadJSONFile(std::string const& filename,
                                       RootType rootType,
                                       ReadReason readReason,
                                       std::vector<File*>& inProgressFiles,
                                       File*& file, std::string& errMsg)
{
  bool result;

  for (auto const& f : this->Files) {
    if (cmSystemTools::SameFile(filename, f->Filename)) {
      file = f.get();
      auto fileIt =
        std::find(inProgressFiles.begin(), inProgressFiles.end(), file);
      if (fileIt != inProgressFiles.end()) {
        cmCMakePresetsErrors::CYCLIC_INCLUDE(filename, &this->parseState);
        return false;
      }

      return true;
    }
  }

  Json::Value root;
  this->parseState = cmJSONState(filename, &root);
  if (!this->parseState.errors.empty()) {
    return false;
  }

  int v = 0;
  if ((result = RootVersionHelper(v, &root, &parseState)) != true) {
    return result;
  }

  // Support for build and test presets added in version 2.
  if (v < 2) {
    if (root.isMember("buildPresets")) {
      cmCMakePresetsErrors::BUILD_TEST_PRESETS_UNSUPPORTED(
        &root["buildPresets"], &this->parseState);
      return false;
    }
    if (root.isMember("testPresets")) {
      cmCMakePresetsErrors::BUILD_TEST_PRESETS_UNSUPPORTED(
        &root["testPresets"], &this->parseState);
      return false;
    }
  }

  // Support for package presets added in version 6.
  if (v < 6 && root.isMember("packagePresets")) {
    cmCMakePresetsErrors::PACKAGE_PRESETS_UNSUPPORTED(&root["packagePresets"],
                                                      &this->parseState);
    return false;
  }

  // Support for workflow presets added in version 6.
  if (v < 6 && root.isMember("workflowPresets")) {
    cmCMakePresetsErrors::WORKFLOW_PRESETS_UNSUPPORTED(
      &root["workflowPresets"], &this->parseState);