StringToEnumValue.h

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#ifndef _CommonTools_Utils_StringToEnumValue_h_
#define _CommonTools_Utils_StringToEnumValue_h_
 
#include "FWCore/Utilities/interface/Exception.h"
#include "TEnum.h"
#include "TEnumConstant.h"
#include <cassert>
#include <string>
#include <sstream>
#include <vector>
 
template <typename MyEnum>
int StringToEnumValue(std::string const& enumConstName) {
  TEnum* en = TEnum::GetEnum(typeid(MyEnum));
  if (en != nullptr) {
    if (TEnumConstant const* enc = en->GetConstant(enumConstName.c_str())) {
      return enc->GetValue();
    }
  }
  assert(0);
  return -1;
}
 
template <class MyType>
std::vector<int> StringToEnumValue(const std::vector<std::string>& enumNames) {
  using std::string;
  using std::vector;
 
  vector<int> ret;
  vector<string>::const_iterator str = enumNames.begin();
  for (; str != enumNames.end(); ++str) {
    ret.push_back(StringToEnumValue<MyType>(*str));
  }
  return ret;
 
}  //
 
#endif