MakeROOTCompatible Class Reference

Helper class for converting strings into a ROOT-friendly format (e.g.: removing special characters in branch names, etc.) More...

#include <MakeROOTCompatible.h>

Static Public Member Functions
static std::string	makeROOTCompatible (std::string str)
	Remove special characters that ROOT dislikes in branch names, e.g.
static std::string	invertMakeROOTCompatible (std::string str)
	Invert makeROOTCompatible operation.
static std::map< std::string, std::string >	getSubstitutionMap ()
	Substituation map for makeROOTCompatible.

Detailed Description

Helper class for converting strings into a ROOT-friendly format (e.g.: removing special characters in branch names, etc.)

Definition at line 24 of file MakeROOTCompatible.h.

Member Function Documentation

getSubstitutionMap()

std::map< std::string, std::string > getSubstitutionMap ( )

static

Substituation map for makeROOTCompatible.

Definition at line 18 of file MakeROOTCompatible.cc.

{
  return std::map<std::string, std::string> {
    {" ", "__sp"},
    {",", "__cm"},
    {":", "__cl"},
    {"=", "__eq"},
    {"<", "__st"},
    {">", "__gt"},
    {".", "__pt"},
    {"+", "__pl"},
    {"-", "__mi"},
    {"(", "__bo"},
    {")", "__bc"},
    {"{", "__co"},
    {"}", "__cc"},
    {"[", "__so"},
    {"]", "__sc"},
    {"`", "__to"},
    {"´", "__tc"},
    {"^", "__ha"},
    {"°", "__ci"},
    {"$", "__do"},
    {"§", "__pa"},
    {"%", "__pr"},
    {"!", "__em"},
    {"?", "__qm"},
    {";", "__sm"},
    {"#", "__hs"},
    {"*", "__mu"},
    {"/", "__sl"},
    {"\\", "__bl"},
    {"'", "__sq"},
    {"\"", "__dq"},
    {"~", "__ti"},
    {"-", "__da"},
    {"|", "__pi"},
    {"&", "__am"},
    {"@", "__at"},
  };
}

invertMakeROOTCompatible()

std::string invertMakeROOTCompatible ( std::string  str )

static

Invert makeROOTCompatible operation.

Definition at line 75 of file MakeROOTCompatible.cc.

{
  auto replace = getSubstitutionMap();
  for (auto& pair : replace) {
    boost::replace_all(str, pair.second, pair.first);
  }
  return str;
}

makeROOTCompatible()

std::string makeROOTCompatible ( std::string  str )

static

Remove special characters that ROOT dislikes in branch names, e.g.

(, ), :, etc

Definition at line 60 of file MakeROOTCompatible.cc.

{
  if (str.find("__") != std::string::npos) {
    B2WARNING("String passed to makeROOTCompatible contains double-underscore __, which is used internally for escaping special characters. "
              "It is recommended to avoid this. However escaping a string twice with makeROOTCompatible is safe, but will print this warning. "
              "Passed string: " + str);
  }
  auto replace = getSubstitutionMap();
  for (auto& pair : replace) {
    boost::replace_all(str, pair.first, pair.second);
  }
  const static std::regex blackList("[^a-zA-Z0-9_]");
  return std::regex_replace(str, blackList, "");
}

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The documentation for this class was generated from the following files:

• framework/utilities/include/MakeROOTCompatible.h
• framework/utilities/src/MakeROOTCompatible.cc