Method removeAll

src/openms/source/DATASTRUCTURES/Param.cpp:670–727

  }

  void Param::removeAll(const std::string& prefix)
  {
    if (!prefix.empty() && prefix.back() == ':')//we have to delete one node only (and its subnodes)
    {
      ParamNode* node = root_.findParentOf(prefix.substr(0, prefix.length() - 1));
      if (node != nullptr)
      {
        Param::ParamNode::NodeIterator it = node->findNode(node->suffix(prefix.substr(0, prefix.length() - 1)));
        if (it != node->nodes.end())
        {
          std::string name = it->name;
          node->nodes.erase(it); // will automatically delete subnodes
          if (node->nodes.empty()  && node->entries.empty())
          {
            // delete last section name (could be partial)
            removeAll(prefix.substr(0, prefix.length() - name.length() - 1));// '-1' for the tailing ':'
          }
        }
      }
    }
    else //we have to delete all entries and nodes starting with the prefix
    {
      ParamNode* node = root_.findParentOf(prefix);
      if (node != nullptr)
      {
        std::string suffix = node->suffix(prefix); // name behind last ":"

        for (Param::ParamNode::NodeIterator it = node->nodes.begin(); it != node->nodes.end(); /*do nothing*/)
        {
          if (it->name.compare(0, suffix.length(), suffix) == 0)
          {
            it = node->nodes.erase(it);
          }
          else if (it != node->nodes.end())
          {
            ++it;
          }
        }
        for (Param::ParamNode::EntryIterator it = node->entries.begin(); it != node->entries.end(); /*do nothing*/)
        {
          if (it->name.compare(0, suffix.size(), suffix) == 0)
          {
            it = node->entries.erase(it);
          }
          else if (it != node->entries.end())
          {
            ++it;
          }
        }
        // the parent node might now be empty (delete it as well - otherwise the trace might be broken)
        if (node->nodes.empty() && node->entries.empty())
        {
          // delete last section name (could be partial)
          removeAll(prefix.substr(0, prefix.size() - suffix.size()));
        }
      }
    }
  }