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  1. template <class T>
  2. void format_error(T& obj, const std::string& symbol) 
  3. {
  4.    std::stringstream ss
  5.    ss << symbol << " is incorrectly formatted";
  6.    obj.errorH(ss.str(), 2);
  7. }
  8. template <class T>
  9. void not_member_error(T& obj, const std::string& symbol, const std::string& type) 
  10. {
  11.    std::stringstream ss
  12.    ss << symbol << " is not a member of " << type;
  13.    obj.errorH(ss.str(), 1);
  14. }
  15.  
  16. std::istream& operator>>(std::istream& file, first& obj) 
  17. {
  18.   std::string symbol;
  19.   while(file >> symbol) 
  20.   {
  21.     if (symbol[0] == '#') 
  22.     {
  23.       std::getline(file, symbol);
  24.     } 
  25.     else if (symbol == FIRSTTAGEND) 
  26.     {
  27.       break;
  28.     }
  29.     else if (symbol == FILEPATH) 
  30.     {
  31.       if (!(file >> '=' >> obj.filename))
  32.         format_error(obj, symbol);
  33.     } 
  34.     else if (symbol == SCALE) 
  35.     {
  36.       if (! (file >> '=' >> obj.scale) )
  37.         format_error(obj, symbol);
  38.     } 
  39.     else 
  40.     { //not a member: failure
  41.       not_member_error(obj, symbol, "first");
  42.       file.setstate(file.rdstate() | std::ios::badbit);
  43.       break;
  44.     }
  45.   }
  46.   return file;
  47. }
  48.  
  49. std::istream& operator>>(std::istream& file, InputDeck& obj) 
  50. {
  51.   std::string symbol;
  52.   while(file >> symbol) 
  53.   {
  54.     if (symbol[0] == '#') 
  55.     {
  56.       std::getline(file, symbol);
  57.     } 
  58.     else if (symbol == FIRSTTAGBEG) 
  59.     {
  60.       inputMesh t;
  61.       if (file >> t)
  62.         obj.mesh.push_back(t);
  63.     } 
  64.     else 
  65.     {
  66.       not_member_error(obj, symbol, "InputDeck");
  67.       file.setstate(file.rdstate() | std::ios::badbit);
  68.     }
  69.   }
  70.   return file;
  71. }
  72.  
  73. bool InputDeck::readFile(std::string filename)
  74. {
  75.   std::ifstream infile;
  76.   infile.open(filename.c_str());
  77.   infile >> *this;
  78.   return true;
  79. }
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https://ideone.com/kpakz
language:
C++ (gcc 8.3)
created:
11 years ago
visibility:
secret

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