fork(2) download
copy 
  1. #include <iostream>
  2. #include <string>
  3. #include <map>
  4.  
  5. int main()
  6. {
  7.     std::string xml("a < > & ' \" string");
  8.     std::cout << xml << "\n";
  9.  
  10.     // Characters to be transformed.
  11.     //
  12.     std::map<char, std::string> transformations;
  13.     transformations['&']  = std::string("&amp;");
  14.     transformations['\''] = std::string("&apos;");
  15.     transformations['"']  = std::string("&quot;");
  16.     transformations['>']  = std::string("&gt;");
  17.     transformations['<']  = std::string("&lt;");
  18.  
  19.     // Build list of characters to be searched for.
  20.     //
  21.     std::string reserved_chars;
  22.     for (auto ti = transformations.begin(); ti != transformations.end(); ti++)
  23.     {
  24.         reserved_chars += ti->first;
  25.     }
  26.  
  27.     size_t pos = 0;
  28.     while (std::string::npos != (pos = xml.find_first_of(reserved_chars, pos)))
  29.     {
  30.         xml.replace(pos, 1, transformations[xml[pos]]);
  31.         pos++;
  32.     }
  33.  
  34.     std::cout << xml << "\n";
  35.  
  36.     return 0;
  37. }
  38.  
Success #stdin #stdout 0s 2968KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
a < > & ' " string
a &lt; &gt; &amp; &apos; &quot; string
https://ideone.com/jBlvx
language:
C++14 (gcc 8.3)
created:
12 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!