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void FileInterner::getMissingFromDescription(FIMissingStore *st, const string& in)

{

    if (st == 0)

  return;

    // The "missing" file is text. Each line defines a missing filter

    // and the list of mime types actually encountered that needed it (see method

    // getMissingDescription())

    vector<string> lines;

    stringToTokens(in, lines, "\n");

    for (vector<string>::const_iterator it = lines.begin();

   it != lines.end(); it++) {

  // Lines from the file are like: 

  //

  // filter name string (mime1 mime2) 

  //

  // We can't be too sure that there will never be a parenthesis

  // inside the filter string as this comes from the filter

  // itself. The list part is safer, so we start from the end.

  const string& line = *it;

  string::size_type lastopen = line.find_last_of("(");

  if (lastopen == string::npos)

      continue;

  string::size_type lastclose = line.find_last_of(")");

  if (lastclose == string::npos || lastclose <= lastopen + 1)

      continue;

  string smtypes = line.substr(lastopen+1, lastclose - lastopen - 1);

  vector<string> mtypes;

  stringToTokens(smtypes, mtypes);

  string filter = line.substr(0, lastopen);

  trimstring(filter);

  if (filter.empty())

      continue;

  st->m_missingExternal.insert(filter);

  for (vector<string>::const_iterator itt = mtypes.begin(); 

       itt != mtypes.end(); itt++) {

      st->m_typesForMissing[filter].insert(*itt);

  }

    }

}