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  1. #include <iostream>
  2. #include <sstream>
  3. #include <vector>
  4. #include <string>
  5.  
  6.  
  7.  
  8. std::vector<std::string> extract_tag(std::istream& is, std::string tag_name)
  9. {
  10.     std::vector<std::string> body_tokens;
  11.  
  12.     std::string token;
  13.  
  14.     while (is >> token && token != ('<' + tag_name + '>'))
  15.         ;
  16.  
  17.     while (is >> token && token != ("</" + tag_name + '>'))
  18.         body_tokens.push_back(token);
  19.  
  20.     return body_tokens;
  21. }
  22.  
  23. template <typename container_type>
  24. void display(std::ostream& os, const container_type& container)
  25. {
  26.     for (auto& element : container)
  27.         os << element << '\n';
  28. }
  29.  
  30. std::string text =
  31. R"(<html>
  32.    <body>
  33.       This is a test message.
  34.    </body>
  35. </html>)";
  36.  
  37.  
  38. int main()
  39. {
  40.     std::istringstream in_stream(text);
  41.     display(std::cout, extract_tag(in_stream, "body"));
  42. }
Success #stdin #stdout 0s 3432KB
comments (?)
stdin
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Standard input is empty
stdout
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This
is
a
test
message.
https://ideone.com/LgV1wD
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
secret

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