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: HEAD $ |
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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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