| 1 | //
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| 2 | // ********************************************************************
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| 3 | // * License and Disclaimer *
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| 4 | // * *
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| 5 | // * The Geant4 software is copyright of the Copyright Holders of *
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| 6 | // * the Geant4 Collaboration. It is provided under the terms and *
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| 7 | // * conditions of the Geant4 Software License, included in the file *
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| 8 | // * LICENSE and available at http://cern.ch/geant4/license . These *
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| 9 | // * include a list of copyright holders. *
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| 10 | // * *
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| 11 | // * Neither the authors of this software system, nor their employing *
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| 12 | // * institutes,nor the agencies providing financial support for this *
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| 13 | // * work make any representation or warranty, express or implied, *
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| 14 | // * regarding this software system or assume any liability for its *
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| 15 | // * use. Please see the license in the file LICENSE and URL above *
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| 16 | // * for the full disclaimer and the limitation of liability. *
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| 17 | // * *
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| 18 | // * This code implementation is the result of the scientific and *
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| 19 | // * technical work of the GEANT4 collaboration. *
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| 20 | // * By using, copying, modifying or distributing the software (or *
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| 21 | // * any work based on the software) you agree to acknowledge its *
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| 22 | // * use in resulting scientific publications, and indicate your *
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| 23 | // * acceptance of all terms of the Geant4 Software license. *
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| 24 | // ********************************************************************
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| 25 | //
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| 26 | //
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| 27 | // $Id: G4Tokenizer.hh,v 1.2 2006/06/29 19:03:20 gunter Exp $
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| 28 | // GEANT4 tag $Name: geant4-09-03 $
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| 29 | //
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| 30 | //
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| 31 | //---------------------------------------------------------------
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| 32 | // GEANT 4 class header file
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| 33 | //
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| 34 | // G4Tokenizer
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| 35 | //
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| 36 | // Class description:
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| 37 | //
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| 38 | // String tokenizer.
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| 39 | // It derives from the implementation of the Rogue Wave
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| 40 | // RWTokenizer. It intrinsically uses STL string.
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| 41 |
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| 42 | //---------------------------------------------------------------
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| 43 |
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| 44 | #ifndef __G4Tokenizer
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| 45 | #define __G4Tokenizer
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| 46 |
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| 47 | #include "G4String.hh"
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| 48 |
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| 49 | class G4Tokenizer
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| 50 | {
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| 51 | public:
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| 52 | G4Tokenizer(const G4String& s):string2tokenize(s),actual(0){}
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| 53 |
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| 54 | G4SubString operator()(const char* str=" \t\n",size_t l=0)
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| 55 | {
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| 56 | size_t i,j,tmp;
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| 57 | G4bool hasws=false;
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| 58 | if(l==0) l=strlen(str);
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| 59 | //Skip leading delimeters
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| 60 | while(actual<string2tokenize.size())
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| 61 | {
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| 62 |
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| 63 | for(i=0;i<l;i++)
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| 64 | if(string2tokenize[actual]==str[i]) hasws=true;
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| 65 | if(hasws)
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| 66 | {
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| 67 | actual++;
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| 68 | hasws=false;
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| 69 | }
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| 70 | else
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| 71 | break;
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| 72 | }
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| 73 |
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| 74 | for(j=actual;j<string2tokenize.size();j++)
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| 75 | {
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| 76 | for(i=0;i<l;i++)
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| 77 | if(string2tokenize[j]==str[i]) break;
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| 78 | if(i<l) break;
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| 79 | }
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| 80 | if(j!=string2tokenize.size())
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| 81 | {
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| 82 | tmp=actual;
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| 83 | actual=j+1;
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| 84 | return string2tokenize(tmp,j-tmp);
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| 85 | }
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| 86 | else
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| 87 | {
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| 88 | tmp=actual;
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| 89 | actual=j;
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| 90 | return string2tokenize(tmp,j-tmp);
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| 91 | }
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| 92 | }
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| 93 |
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| 94 | private:
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| 95 |
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| 96 | G4String string2tokenize;
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| 97 | size_t actual;
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| 98 |
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| 99 | };
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| 100 |
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| 101 | #endif
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| 102 |
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