text: // Standard library includes
  #include <string>
  #include <cctype>
  
  // Our project headers
  #include "TransformChar.hpp"
  
  std::string transformChar(const char inputChar)
  {
    /* Take a user input and output a string of capitalised letters
  
       inputChar: user input
       return: string of transliterated characters */
    std::string inputText {""};
  
    // Uppercase alphabetic characters
    if (std::isalpha(inputChar)) {
        inputText += std::toupper(inputChar);
      }
  
    // Transliterate digits to English words
    switch (inputChar) {
        case '0':
  	inputText += "ZERO";
  	break;
        case '1':
  	inputText += "ONE";
  	break;
        case '2':
  	inputText += "TWO";
  	break;
        case '3':
  	inputText += "THREE";
  	break;
        case '4':
  	inputText += "FOUR";
  	break;
        case '5':
  	inputText += "FIVE";
  	break;
        case '6':
  	inputText += "SIX";
  	break;
        case '7':
  	inputText += "SEVEN";
  	break;
        case '8':
  	inputText += "EIGHT";
  	break;
        case '9':
  	inputText += "NINE";
  	break;
      }
  
      return inputText;
      // If the character isn't alphabetic or numeric, DONT add it.
      // Our ciphers can only operate on alphabetic characters.
  }
  