Geant4 Cross Reference

Cross-Referencing   Geant4
Geant4/externals/g4tools/include/tools/get_lines

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  1 // Copyright (C) 2010, Guy Barrand. All rights reserved.
  2 // See the file tools.license for terms.
  3 
  4 #ifndef tools_get_lines
  5 #define tools_get_lines
  6 
  7 #include "cstr"
  8 
  9 #include <string>
 10 #include <vector>
 11 
 12 namespace tools {
 13 
 14 inline void get_lines(const std::string& a_string,std::vector<std::string>& a_lines){
 15   // a_string is a list separated by "\n" or "\\n".
 16   // For "xxx\n\nxxx", {"xxx","","xxx"} will be created.
 17   // WARNING : if a_string is a Windows file name, it may
 18   //  contains a \n which is not a delimiter ; like ..\data\ntuples.hbook.
 19   a_lines.clear();
 20   size_t length = a_string.length();
 21   if(!length) return;
 22   char* cstring = str_dup(a_string.c_str());
 23   if(!cstring) return;
 24   size_t pos = 0;
 25   length++;
 26   for(size_t count=0;count<length;count++) {
 27     if( (cstring[count]=='\n') ||
 28         (cstring[count]=='\0') ||
 29         ( (cstring[count]=='\\') && (cstring[count+1]=='n') ) ) {
 30       char shift_one = (cstring[count]=='\n' ? 1 : 0);
 31       cstring[count] = '\0';
 32       a_lines.push_back(cstring+pos);
 33       if(shift_one==1) {
 34         pos = count+1;
 35       } else {
 36         pos = count+2;
 37         count++;
 38       }
 39     }
 40   }
 41   str_del(cstring);
 42 }
 43 
 44 }
 45 
 46 #endif