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  1. #include <vector>
  2. #include <string>
  3. #include <sstream>
  4. #include <iostream>
  5. using namespace std;
  6.  
  7. int ConvertString2Int(const string& str)
  8. {
  9. 	stringstream ss(str);
  10. 	int x;
  11. 	if (! (ss >> x))
  12. 	{
  13. 		cerr << "Error converting " << str << " to integer" << endl;
  14. 		abort();
  15. 	}
  16. 	return x;
  17. }
  18.  
  19. vector<string> SplitStringToArray(const string& str, char splitter)
  20. {
  21. 	vector<string> tokens;
  22. 	stringstream ss(str);
  23. 	string temp;
  24. 	while (getline(ss, temp, splitter)) // split into new "lines" based on character
  25. 	{
  26. 		tokens.push_back(temp);
  27. 	}
  28. 	return tokens;
  29. }
  30.  
  31. vector<int> ParseData(const string& data)
  32. {
  33. 	vector<string> tokens = SplitStringToArray(data, ',');
  34.  
  35. 	vector<int> result;
  36. 	for (vector<string>::const_iterator it = tokens.begin(), end_it = tokens.end(); it != end_it; ++it)
  37. 	{
  38. 		const string& token = *it;
  39. 		vector<string> range = SplitStringToArray(token, '-');
  40. 		if (range.size() == 1)
  41. 		{
  42. 			result.push_back(ConvertString2Int(range[0]));
  43. 		}
  44. 		else if (range.size() == 2)
  45. 		{
  46. 			int start = ConvertString2Int(range[0]);
  47. 			int stop = ConvertString2Int(range[1]);
  48. 			for (int i = start; i <= stop; i++)
  49. 			{
  50. 				result.push_back(i);
  51. 			}
  52. 		}
  53. 		else
  54. 		{
  55. 			cerr << "Error parsing token " << token << endl;
  56. 			abort();
  57. 		}
  58. 	}
  59.  
  60. 	return result;
  61. }
  62.  
  63. int main()
  64. {
  65. 	vector<int> result = ParseData("1-5,10,12,15-16,25-35,67,69,99-105");
  66. 	for (vector<int>::const_iterator it = result.begin(), end_it = result.end(); it != end_it; ++it)
  67. 	{
  68. 		cout << *it << " ";
  69. 	}
  70. 	cout << endl;
  71. }
  72.  
  73.  
Success #stdin #stdout 0s 3480KB
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https://ideone.com/2W99Tt
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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