Function getSourceGroupFilesPaths

Source/cmSourceGroupCommand.cxx:32–43

std::string const kSourceGroupOptionName = "<sg_name>";

std::set<std::string> getSourceGroupFilesPaths(
  std::string const& root, std::vector<std::string> const& files)
{
  std::set<std::string> ret;
  std::string::size_type const rootLength = root.length();

  for (std::string const& file : files) {
    ret.insert(file.substr(rootLength + 1)); // +1 to also omnit last '/'
  }

  return ret;
}

bool rootIsPrefix(std::string const& root,
                  std::vector<std::string> const& files, std::string& error)