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  1. #include <iostream>
  2. #include <string>
  3. #include <sstream>
  4. using namespace std;
  5.  
  6. const size_t SIZE=256;
  7.  
  8. int main() {
  9. 	int rank;
  10. 	string names, grades;
  11. //	int grades[SIZE];
  12.  
  13. 	istringstream inFile{"125 {John_BROWN_Biology} {100_81}\n245 {Amanda_SMITH_Chemistry} {83_74}\n436 {Michael_CLARK_Calculus} {35_48}"}; //!!
  14. 	//inFile.open("records.txt");
  15. 	string line;
  16.  
  17. 	while (getline(inFile, line))   // red line by line 
  18. 	{
  19. 		stringstream sst{line};    // then parse the stream
  20. 	    char delim;  
  21.  
  22. 		sst>>rank;  				// read an integer
  23. 		sst>>delim; 				// skip white and read a single char 
  24. 		if (delim!='{') {
  25. 			cout<<"Error on line: { expected for name instead of "<<delim<<endl; 
  26. 			continue;   // next line, please !! 
  27. 		}
  28. 		getline(sst,names, '}');  // TO DO: error handling
  29. 		sst>>delim; 
  30. 		if (delim!='{') {
  31. 			cout<<"Error on line: { expected for grades instead of "<<delim<<endl; 
  32. 			continue;   // next line, please !! 
  33. 		}
  34. 		getline(sst,grades, '}');  // TO DO: error handling
  35.  
  36. 		cout << rank<<" "<<names<<" "<<grades<<endl; 
  37.  
  38. 	}
  39. /*	int i=0, j=0;
  40. 	while (!inFile.getline((char*)&rank, 30, '{'){
  41. 	    inFile.getline(st_info, SIZE, '_');
  42. 	    inFile.getline(words_array, SIZE, '_');
  43. 	}
  44. 	while (!success1)
  45. 	{
  46. 	    getline(inFile,Line,'{'); // get values for info array
  47. 	    stringstream iss1; 
  48. 	    iss1 << Line; //Put the string into a stream
  49. 	    iss1 >> rank; //To send data as an int.
  50. 	    cout << "STUDENT NUMBER:" << rank << "  ";
  51. 	    while (!success2){
  52. 	    // for the info in {} part
  53.         	getline(inFile,Line,'_'); 
  54.         	stringstream iss; 
  55.         	iss << Line; 
  56.         	iss >> st_info[i];
  57.         	cout <<"STUDENT INFO:" << st_info[i] << "   ";
  58.         	i++;
  59.         	if (getline(inFile,Line,'}')){
  60. 	            stringstream iss2; 
  61.             	iss2 << Line; 
  62.             	iss2 >> st_info[i];
  63.             	cout << st_info[i] << " ";
  64.             	i=0;
  65.             	success2 = true;
  66.         	}
  67.     	}
  68.     	getline(inFile,Line,'{'); 
  69.     	stringstream iss3; 
  70.     	iss3 << Line; 
  71.     	iss3 >> grades[j]; 
  72.     	cout << "GRADES: "<< grades[i] << " ";
  73.     	j++;
  74.     	while (!success3){
  75. 	        getline(inFile,Line,'_');
  76.         	stringstream iss4; 
  77.         	iss4 << Line;
  78.         	iss4 >> grades[j];
  79.         	cout << grades[i] << "  ";
  80.         	j++;
  81.         	if (getline(inFile,Line,'}')){
  82. 	            stringstream iss5; 
  83.             	iss5 << Line;
  84.             	iss5 >> grades[j];
  85.             	cout << grades[i] << "  ";
  86.             	j=0;
  87.             	success3 = true;
  88.         	}
  89.     	}
  90. 	} */
  91. }
Success #stdin #stdout 0s 3472KB
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stdin
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Standard input is empty
stdout
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125 John_BROWN_Biology 100_81
245 Amanda_SMITH_Chemistry 83_74
436 Michael_CLARK_Calculus 35_48
https://ideone.com/JkeusU
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
public

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