Gabriele Cosmo
100 lines
2.8 KiB
C++
100 lines
2.8 KiB
C++
//
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// ********************************************************************
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// * DISCLAIMER *
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// * *
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// * The following disclaimer summarizes all the specific disclaimers *
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// * of contributors to this software. The specific disclaimers,which *
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// * govern, are listed with their locations in: *
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// * http://cern.ch/geant4/license *
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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. *
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// * *
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// * This code implementation is the intellectual property of the *
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// * GEANT4 collaboration. *
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// * By copying, distributing or modifying the Program (or any work *
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// * based on the Program) you indicate your acceptance of this *
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// * statement, and all its terms. *
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// ********************************************************************
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//
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//
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// $Id: G4Tokenizer.hh,v 1.1 2001/10/11 14:04:05 gcosmo Exp $
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// GEANT4 tag $Name: geant4-05-02-patch-01 $
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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& s):string2tokenize(s),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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