G4AnalysisUtilities.cc

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// $Id:$

// Author: Ivana Hrivnacova, 22/08/2013  (ivana@ipno.in2p3.fr)

#include "G4AnalysisUtilities.hh"
#include "G4BinScheme.hh"
#include "G4UnitsTable.hh"
#include "G4String.hh"

namespace {

//_____________________________________________________________________________
G4bool GetToken(const G4String& line, G4String& token, 
                std::string::size_type begIdx, std::string::size_type& endIdx)
{
  while ( line[begIdx] == ' ') ++begIdx;
  if ( line[begIdx] == '"' ) {
    endIdx = line.find('"', begIdx+1);
    if ( endIdx == std::string::npos ) endIdx = line.length();
    token = line.substr(begIdx+1, (endIdx-1)-begIdx);
    ++endIdx;
  }
  else {
    endIdx = line.find(' ', begIdx);
    if ( endIdx == std::string::npos ) endIdx = line.length();
    token = line.substr(begIdx, endIdx-begIdx);
  }
  return ( token.length() > 0 );
}              

}

namespace G4Analysis
{

//_____________________________________________________________________________
G4bool CheckNbins(G4int nbins)
{
  if ( nbins <= 0 ) {
    G4ExceptionDescription description;
    description 
      << "    Illegal value of number of bins: nbins <= 0" << G4endl;
      G4Exception("G4VAnalysisManager::CheckNbins",
                  "Analysis_W013", JustWarning, description);
    return false;
  }
  else
    return true;                   
}  


//_____________________________________________________________________________
G4bool CheckMinMax(G4double xmin, G4double xmax, 
                   const G4String& fcnName, const G4String& binSchemeName)
{
  G4bool result = true;
  
  if ( xmax <= xmin ) {
    G4ExceptionDescription description;
    description 
      << "    Illegal values of (xmin >= xmax)" << G4endl;
      G4Exception("G4VAnalysisManager::CheckMinMax",
                  "Analysis_W013", JustWarning, description);
                  
    result = false;
  }
  
  if ( ( fcnName != "none" ) && ( binSchemeName != "linear" ) ) {
    G4ExceptionDescription description;
    description 
      << "    Combining Function and Binning scheme is not supported." 
      << G4endl;
      G4Exception("G4VAnalysisManager::CheckMinMax",
                  "Analysis_W013", JustWarning, description);
                  
    result = false;
  }
  
  if ( ( GetBinScheme(binSchemeName) == kLogBinScheme ||
         fcnName == "log" || fcnName == "log10" ) && ( xmin == 0 ) ) {
    G4ExceptionDescription description;
    description 
      << "    Illegal value of (xmin = 0) with logarithmic function or binning" 
      << G4endl;
      G4Exception("G4VAnalysisManager::CheckMinMax",
                  "Analysis_W013", JustWarning, description);
                  
    result = false;
  }
  
  return result;
}  

//_____________________________________________________________________________
G4bool CheckEdges(const std::vector<G4double>& edges)
{
  if ( edges.size() <= 1 ) {
    G4ExceptionDescription description;
    description 
      << "    Illegal edges vector (size <= 1)" << G4endl;
      G4Exception("G4VAnalysisManager::CheckEdges",
                  "Analysis_W013", JustWarning, description);
    return false;
  }
  else
    return true;                   

}

//_____________________________________________________________________________
G4bool CheckName(const G4String& name, const G4String& objectType)
{
  if ( ! name.size() ) {
    G4ExceptionDescription description;
    description 
      << "    Empty " << objectType << " name is not allowed." << G4endl
      << "    " << objectType << " was not created." << G4endl;
      G4Exception("G4VAnalysisManager::CheckName",
                  "Analysis_W013", JustWarning, description);
    return false;
  }
  else
    return true;                   
}

//_____________________________________________________________________________
G4double GetUnitValue(const G4String& unit)
{
   G4double value = 1.;
   if ( unit != "none" ) {
     value = G4UnitDefinition::GetValueOf(unit);
     if ( value == 0. ) value = 1.; 
   }  
   return value;
}   

//_____________________________________________________________________________
void UpdateTitle(G4String& title, 
                 const G4String& unitName, 
                 const G4String& fcnName)
{
  if ( fcnName != "none" )  { title += " "; title += fcnName; title += "("; }
  if ( unitName != "none" ) { title += " ["; title += unitName; title += "]";}
  if ( fcnName != "none" )  { title += ")"; }
}                                                            

//_____________________________________________________________________________
void  Tokenize(const G4String& line, std::vector<G4String>& tokens)
{
  // Define start values
  std::string::size_type begIdx = 0;
  std::string::size_type endIdx = 0; 
  G4String token;
  
  do {
    if ( GetToken(line, token, begIdx, endIdx) ) {
      //G4cout << "got token: '" << token << "'" << G4endl;
      //G4cout << "beg, end: " << begIdx << ", " << endIdx << G4endl;
      tokens.push_back(token);
    }  
    begIdx = endIdx + 1;
  }
  while ( endIdx < line.length() );
}

}