// Fig. 19.17: readcookie.cpp // Program to read cookie data. #include using std::cin; using std::cout; #include using std::string; #include using std::getenv; int main() { string dataString = ""; string nameString = ""; string ageString = ""; string colorString = ""; dataString = getenv( "HTTP_COOKIE" ); // get cookie data // search through cookie data string int nameLocation = dataString.find( "Name=" ) + 5; int endName = dataString.find( "age:" ); int ageLocation = dataString.find( "age:" ) + 4; int endAge = dataString.find( "color:" ); int colorLocation = dataString.find( "color:" ) + 6; // store cookie data in strings nameString = dataString.substr( nameLocation, endName - nameLocation ); ageString = dataString.substr( ageLocation, endAge - ageLocation ); colorString = dataString.substr( colorLocation ); cout << "Content-Type: text/html\n\n"; // output HTTP header // output XML declaration and DOCTYPE cout << "" << ""; // output html element and some of its contents cout << "" << "Read Cookies"; if ( dataString != "" ) // data was found cout << "

The following data is saved in a cookie on" << " your computer

Name: " << nameString << "

" << "

Age: " << ageString << "

" << "

Color: " << colorString << "

"; else // no data was found cout << "

No cookie data.

"; cout << ""; return 0; } // end main /************************************************************************** * (C) Copyright 1992-2005 by Deitel & Associates, Inc. and * * Pearson Education, Inc. All Rights Reserved. * * * * DISCLAIMER: The authors and publisher of this book have used their * * best efforts in preparing the book. These efforts include the * * development, research, and testing of the theories and programs * * to determine their effectiveness. The authors and publisher make * * no warranty of any kind, expressed or implied, with regard to these * * programs or to the documentation contained in these books. The authors * * and publisher shall not be liable in any event for incidental or * * consequential damages in connection with, or arising out of, the * * furnishing, performance, or use of these programs. * **************************************************************************/