/*
   testchar1.cpp
   CIS 150
   David Klick
   7/3/08
   
   This program demonstrates some simple character functions.
*/

#include <iostream>
#include <iomanip>
#include <cctype>
using std::cin;
using std::cout;
using std::setw;
using std::boolalpha;

void cont();

int main() {
   char sample[] = "dD.\t7";
   int i;
   
   // display heading 
   cout << "   alpha digit alnum space lower upper punct print\n"
        << "   ----- ----- ----- ----- ----- ----- ----- -----\n";
   
   // display information for each character in array
   for (i=0; i<5; i++) {
      if (isprint(sample[i])) cout << sample[i] << ":";
      else cout << " :";
      cout << boolalpha
           << setw(6) << (bool) isalpha(sample[i])
           << setw(6) << (bool) isdigit(sample[i])
           << setw(6) << (bool) isalnum(sample[i])
           << setw(6) << (bool) isspace(sample[i])
           << setw(6) << (bool) islower(sample[i])
           << setw(6) << (bool) isupper(sample[i])
           << setw(6) << (bool) ispunct(sample[i])
           << setw(6) << (bool) isprint(sample[i]) << '\n';
   }
   
   cont();
   return 0;
}

/*
   void cont();
   
   Arguments: none
   
   Returns: nothing
   
   Clears input buffer and pauses waiting for user 
   to press Enter.
*/
void cont() {
   if (cin.rdbuf()->sungetc() != -1 && cin.get() != '\n') cin.ignore(80,'\n');
   cout << "Press enter to continue...";
   cin.get();
}

/*
   Sample output:
   
      alpha digit alnum space lower upper punct print
      ----- ----- ----- ----- ----- ----- ----- -----
   d:  true false  true false  true false false  true
   D:  true false  true false false  true false  true
   .: false false false false false false  true  true
    : false false false  true false false false false
   7: false  true  true false false false false  true
*/