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  1. #include <string>
  2. #include <iostream>
  3.  
  4. std::string strtok_current_string;
  5. unsigned strtok_current_pos;
  6.  
  7. std::string strtok(char delimiter) {
  8.   if (strtok_current_pos == std::string::npos) return "";
  9.   unsigned end = strtok_current_string.find( delimiter, strtok_current_pos );
  10.   unsigned len = end - strtok_current_pos;
  11.   std::string result = strtok_current_string.substr(strtok_current_pos, len);
  12.   strtok_current_pos = end != std::string::npos ? end+1 : end;
  13.   return result;
  14. }
  15.  
  16. std::string strtok(std::string str, char delimiter) {
  17.   strtok_current_string = str;
  18.   strtok_current_pos = 0;
  19.   return strtok(delimiter);
  20. }
  21.  
  22. int main() {
  23.   std::string foo = "foo#bar#baz";
  24.   std::cout << strtok(foo, '#') << '\n';
  25.   std::cout << strtok('#') << '\n';
  26.   std::cout << strtok('#') << '\n';
  27.   return 0;
  28. }
Success #stdin #stdout 0.01s 2860KB
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stdin
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Standard input is empty
stdout
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foo
bar
baz
https://ideone.com/VVVLF
language:
C++ (gcc 8.3)
created:
12 years ago
visibility:
public

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