Gabriele Cosmo
85 lines
1.6 KiB
C++
85 lines
1.6 KiB
C++
// This code implementation is the intellectual property of
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// the GEANT4 collaboration.
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//
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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 statement,
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// and all its terms.
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//
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// $Id: ctoken.h,v 1.5 1999/11/29 10:17:41 gcosmo Exp $
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// GEANT4 tag $Name: geant4-01-00 $
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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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// STL wrapper class for String tokenizer.
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// It implements Rogue Wave RWTokenizer signature but
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// intrinsically using STL string.
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//---------------------------------------------------------------
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#ifndef __ctoken
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#define __ctoken
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#include "g4rw/defs.h"
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#include "g4rw/cstring.h"
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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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