Gabriele Cosmo
102 lines
2.9 KiB
C++
102 lines
2.9 KiB
C++
//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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//
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// $Id$
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//
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//
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//---------------------------------------------------------------
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// GEANT 4 class header file
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//
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// G4Tokenizer
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//
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// Class description:
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//
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// String tokenizer.
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// It derives from the implementation of the Rogue Wave
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// RWTokenizer. It intrinsically uses STL string.
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//---------------------------------------------------------------
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#ifndef __G4Tokenizer
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#define __G4Tokenizer
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#include "G4String.hh"
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class G4Tokenizer
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{
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public:
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G4Tokenizer(const G4String& stn):string2tokenize(stn),actual(0){}
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G4SubString operator()(const char* str=" \t\n",size_t l=0)
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{
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size_t i,j,tmp;
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G4bool hasws=false;
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if(l==0) l=strlen(str);
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//Skip leading delimeters
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while(actual<string2tokenize.size())
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{
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for(i=0;i<l;i++)
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if(string2tokenize[actual]==str[i]) hasws=true;
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if(hasws)
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{
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actual++;
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hasws=false;
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}
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else
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break;
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}
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for(j=actual;j<string2tokenize.size();j++)
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{
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for(i=0;i<l;i++)
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if(string2tokenize[j]==str[i]) break;
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if(i<l) break;
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}
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if(j!=string2tokenize.size())
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{
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tmp=actual;
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actual=j+1;
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return string2tokenize(tmp,j-tmp);
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}
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else
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{
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tmp=actual;
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actual=j;
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return string2tokenize(tmp,j-tmp);
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}
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}
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private:
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G4String string2tokenize;
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size_t actual;
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};
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#endif
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