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  1. #include <iostream>
  2. #include <iterator>
  3. #include <type_traits>
  4. #include <tuple>
  5. #include <vector>
  6. #include <string>
  7. #include <algorithm>
  8.  
  9. std::vector<std::string> tokenizeLine(const std::string str)
  10. {
  11.     std::vector<std::string> tokens;
  12.  
  13.     std::string::size_type start = 0;
  14.     std::string::size_type end   = 0;
  15.     while (end != std::string::npos)
  16.     {
  17.         enum POSES // Deliminators
  18.         {
  19.             EQUALS,
  20.             OPEN,
  21.             CLOSE,
  22.             SPACE,
  23.             EOL,
  24.             RETURN,
  25.             TAB,
  26.             COMMENT,
  27.             POSES_SIZE
  28.         };
  29.         std::string::size_type pos[] =
  30.         {
  31.             str.find('=', start),
  32.             str.find('{', start),
  33.             str.find('}', start),
  34.             str.find(' ', start),
  35.             str.find('\n', start),
  36.             str.find('\r', start),
  37.             str.find('\t', start),
  38.             str.find('#', start)
  39.         };
  40.         end = *std::min_element(pos, &pos[POSES_SIZE]);
  41.  
  42.         switch (str[start])
  43.         {
  44.         case('=') :
  45.             tokens.push_back("=");
  46.             break;
  47.         case('{') :
  48.             tokens.push_back("{");
  49.             break;
  50.         case('}') :
  51.             tokens.push_back("}");
  52.             break;
  53.         case(' ') :
  54.         case('\n') :
  55.         case('\r') :
  56.         case('\t'):
  57.             break;
  58.         case('#') :
  59.             return tokens;
  60.             break;
  61.         default:
  62. 			if (str.substr(start, end - start).length() > 0)
  63. 			{
  64. 				tokens.push_back(str.substr(start, end - start));
  65. 				--end;
  66. 			}
  67.         }
  68.  
  69.         // If at end, use start=maxSize.  Else use start=end+delimiter.
  70.         start = ((end > (std::string::npos - sizeof(char)))
  71.             ? std::string::npos : end + sizeof(char));
  72.     }
  73.     return tokens;
  74. }
  75.  
  76. int main()
  77. {
  78. 	auto ans = tokenizeLine("show_position = { x=-9 y =78 }");
  79. 	std::ostream_iterator<std::string> o(std::cout, "\n");
  80. 	std::copy(ans.begin(), ans.end(), o);
  81. 	return 0;
  82. }
Success #stdin #stdout 0s 3464KB
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stdin
copy 
Standard input is empty
stdout
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show_position
=
{
x
=
-9
y
=
78
}
https://ideone.com/BinQru
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

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