Gabriele Cosmo
101 lines
3.0 KiB
C++
101 lines
3.0 KiB
C++
//
|
|
// ********************************************************************
|
|
// * License and Disclaimer *
|
|
// * *
|
|
// * The Geant4 software is copyright of the Copyright Holders of *
|
|
// * the Geant4 Collaboration. It is provided under the terms and *
|
|
// * conditions of the Geant4 Software License, included in the file *
|
|
// * LICENSE and available at http://cern.ch/geant4/license . These *
|
|
// * include a list of copyright holders. *
|
|
// * *
|
|
// * Neither the authors of this software system, nor their employing *
|
|
// * institutes,nor the agencies providing financial support for this *
|
|
// * work make any representation or warranty, express or implied, *
|
|
// * regarding this software system or assume any liability for its *
|
|
// * use. Please see the license in the file LICENSE and URL above *
|
|
// * for the full disclaimer and the limitation of liability. *
|
|
// * *
|
|
// * This code implementation is the result of the scientific and *
|
|
// * technical work of the GEANT4 collaboration. *
|
|
// * By using, copying, modifying or distributing the software (or *
|
|
// * any work based on the software) you agree to acknowledge its *
|
|
// * use in resulting scientific publications, and indicate your *
|
|
// * acceptance of all terms of the Geant4 Software license. *
|
|
// ********************************************************************
|
|
//
|
|
// G4Tokenizer
|
|
//
|
|
// Class description:
|
|
//
|
|
// String tokenizer.
|
|
// It derives from the implementation of the Rogue Wave RWTokenizer.
|
|
// It intrinsically uses STL string.
|
|
|
|
// Author: G.Cosmo, 11 October 2001
|
|
// --------------------------------------------------------------------
|
|
#ifndef G4Tokenizer_hh
|
|
#define G4Tokenizer_hh 1
|
|
|
|
#include "G4String.hh"
|
|
|
|
class G4Tokenizer
|
|
{
|
|
public:
|
|
G4Tokenizer(const G4String& stn)
|
|
: string2tokenize(stn)
|
|
, actual(0)
|
|
{}
|
|
|
|
G4String operator()(const char* str = " \t\n", std::size_t l = 0)
|
|
{
|
|
std::size_t i, j, tmp;
|
|
G4bool hasws = false;
|
|
if(l == 0)
|
|
l = strlen(str);
|
|
|
|
// Skip leading delimeters
|
|
while(actual < string2tokenize.size())
|
|
{
|
|
for(i = 0; i < l; ++i)
|
|
{
|
|
if(string2tokenize[(G4int)actual] == str[i])
|
|
hasws = true;
|
|
}
|
|
if(hasws)
|
|
{
|
|
++actual;
|
|
hasws = false;
|
|
}
|
|
else
|
|
break;
|
|
}
|
|
|
|
for(j = actual; j < string2tokenize.size(); ++j)
|
|
{
|
|
for(i = 0; i < l; ++i)
|
|
if(string2tokenize[(G4int)j] == str[i])
|
|
break;
|
|
if(i < l)
|
|
break;
|
|
}
|
|
if(j != string2tokenize.size())
|
|
{
|
|
tmp = actual;
|
|
actual = j + 1;
|
|
return string2tokenize.substr(tmp, j - tmp);
|
|
}
|
|
else
|
|
{
|
|
tmp = actual;
|
|
actual = j;
|
|
return string2tokenize.substr(tmp, j - tmp);
|
|
}
|
|
}
|
|
|
|
private:
|
|
G4String string2tokenize;
|
|
std::size_t actual;
|
|
};
|
|
|
|
#endif
|