Originally Posted by cscgal

To HTML encode a string is to convert the " to &quot; and < to &lt; and > to &gt; and & to &amp; and you get the idea Essentially it's just a simple find and replace of those few things.

Originally Posted by campkev

...was just looking for a function that was already written and handled all of them rather than doing them each individually....

Originally Posted by joeprogrammer

[edit]Or did you mean something like this... [/edit]

Originally Posted by campkev

that's what I am looking for, but a non-.NET version

Originally Posted by Ravalon

I'm sure you could find something with google, but it's not hard to write your own either.

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C++ Syntax (Toggle Plain Text)

#include <algorithm>
#include <iostream>
#include <string>
 
#define array_length(array) (sizeof (array) / sizeof (array)[0])
 
namespace Raye {
  using namespace std;
 
  struct HTMLReplace {
    string match;
    string replace;
  } codes[] = {
    {"&", "&amp;"},
    {"<", "&lt;"}, 
    {">", "&gt;"}
  };
 
  string HTMLEncode( const string& s )
  {
    string rs = s;
 
    // Replace each matching token in turn
    for ( size_t i = 0; i < array_length( codes ); i++ ) {
      // Find the first match
      const string& match = codes[i].match;
      const string& repl = codes[i].replace;
      string::size_type start = rs.find_first_of( match );
 
      // Replace all matches
      while ( start != string::npos ) {
        rs.replace( start, match.size(), repl );
        // Be sure to jump forward by the replacement length
        start = rs.find_first_of( match, start + repl.size() );
      }
    }
 
    return rs;
  }
}
 
int main()
{
  using namespace std;
 
  cout << Raye::HTMLEncode( "template <class T> void foo( const string& bar );" ) << '\n';
 
  return 0;
}

#include <algorithm> #include <iostream> #include <string> #define array_length(array) (sizeof (array) / sizeof (array)[0]) namespace Raye { using namespace std; struct HTMLReplace { string match; string replace; } codes[] = { {"&", "&amp;"}, {"<", "&lt;"}, {">", "&gt;"} }; string HTMLEncode( const string& s ) { string rs = s; // Replace each matching token in turn for ( size_t i = 0; i < array_length( codes ); i++ ) { // Find the first match const string& match = codes[i].match; const string& repl = codes[i].replace; string::size_type start = rs.find_first_of( match ); // Replace all matches while ( start != string::npos ) { rs.replace( start, match.size(), repl ); // Be sure to jump forward by the replacement length start = rs.find_first_of( match, start + repl.size() ); } } return rs; } } int main() { using namespace std; cout << Raye::HTMLEncode( "template <class T> void foo( const string& bar );" ) << '\n'; return 0; }

Just add to the array when you want to handle another encoding, and be careful about encodings that are order sensitive. For example, the & encoding has to be done first because the others use & in the result.