TrkExTools Namespace Reference

Functions
std::string	getToolSuffix (const std::string &fullToolName)
	Return the name suffix, e.g. return 'myNiceTool' from 'ToolSvc.myNiceTool'. More...
std::vector< std::string >	extractToolNames (const std::vector< std::string > &toolNameVector)
	return a vector of extracted names More...
bool	validToolName (const std::string &toolName)
	indicate whether a string is a valid Tool variable name More...
std::string	possibleToolNameError (const std::vector< std::string > &toolNameVector)
	Give an error message if tool names are invalid; empty string if good. More...
unsigned int	numberOfUniqueEntries (const std::vector< std::string > &nameVector)
	Give the number of unique entries in a vector. More...

Function Documentation

extractToolNames()

std::vector< std::string > TrkExTools::extractToolNames

(

const std::vector< std::string > &

toolNameVector

)

return a vector of extracted names

Definition at line 19 of file TrkExToolsStringUtility.cxx.

                                                               {
    std::vector<std::string> result(toolNameVector.size());
    std::transform(toolNameVector.begin(),toolNameVector.end(),result.begin(), getToolSuffix  );
    return result;
  }

getToolSuffix()

std::string TrkExTools::getToolSuffix

(

const std::string &

fullToolName

)

Return the name suffix, e.g. return 'myNiceTool' from 'ToolSvc.myNiceTool'.

Definition at line 14 of file TrkExToolsStringUtility.cxx.

                                              {
    return fullToolName.substr(fullToolName.find_last_of('.') + 1);
  }

numberOfUniqueEntries()

unsigned int TrkExTools::numberOfUniqueEntries

(

const std::vector< std::string > &

nameVector

)

Give the number of unique entries in a vector.

Definition at line 45 of file TrkExToolsStringUtility.cxx.

                                                                {
    std::set<std::string> setOfNames(nameVector.begin(), nameVector.end());
    return setOfNames.size();
  }

possibleToolNameError()

std::string TrkExTools::possibleToolNameError

(

const std::vector< std::string > &

toolNameVector

)

Give an error message if tool names are invalid; empty string if good.

Definition at line 34 of file TrkExToolsStringUtility.cxx.

                                                                    {
    std::string result{};
    auto isEmpty = [](const std::string & s){return s.empty();};
    if (std::any_of(toolNameVector.begin(), toolNameVector.end(), isEmpty) ) return "A tool name was empty.";
    if (auto pTheTool=std::find_if_not(toolNameVector.begin(), toolNameVector.end(), validToolName); pTheTool != toolNameVector.end()) {
      result = "A tool name was invalid: " + *pTheTool;
    }
    return result;
  }

validToolName()

bool TrkExTools::validToolName

(

const std::string &

toolName

)

indicate whether a string is a valid Tool variable name

Definition at line 26 of file TrkExToolsStringUtility.cxx.

                                           {
    //valid name can contain underscore or alphanumeric characters, but cannot start
    //with a number
    std::regex re{"^[a-zA-Z_][a-zA-Z0-9_]*(::)?[a-zA-Z0-9_]*$"};
    return std::regex_match(toolName, re);
  }