3   std::string 
get() { 
return std::string(_format.begin(), _format.end()); } 
const     4   void set(
const std::wstring fileName, 
const std::wstring extension)
     6     if (fileName.find(L
"clusterfuzz-testcase-") == -1)
     8       if (extension.length() > 1)
     9         _format = extension.substr(1, extension.size() - 1);
    13     std::wstring format=fileName;
    15     size_t index = format.find(L
"_", 0);
    16     if (index == std::wstring::npos)
    19     format=format.substr(index + 1);
    20     index = format.find(L
"_", 0);
    21     if (index != std::wstring::npos)
    22       _format=format.substr(0, index);
    23     else if (extension.length() > 1)
    24       _format=extension.substr(1, extension.size() - 1);
    27   std::wstring _format = L
".notset";