Added new documentation

SourceFiles/Playfair.cpp

@@ -1,7 +1,7 @@
 //Ciphers/Headers/Playfair.cpp
 //Matthew Ellison
 // Created: 4-25-18
-//Modified: 4-25-18
+//Modified: 5-5-18
 //This file contains the implementation of the Playfair class
 //It is designed to encrypt and decrypt strings using the Playfair cipher
 
@@ -9,19 +9,34 @@
 #include "../Headers/Playfair.hpp"
 #include <string>
 #include <cctype>
-#include <iostream>
 
+
+///The letter that needs replaced for the cipher to work
 char Playfair::REPLACED = 'J';
+///The letter that replaces REPLACED
 char Playfair::REPLACER = 'I';
+///The letter that is added to the end to make the message of even length and placed between 2 ajoining letters that are the same
 char Playfair::DOUBLED = 'X';
 
+/**
+ * @brief Construct a new Playfair object
+ * 
+ */
 Playfair::Playfair(){
 	reset();
 }
 
+/**
+ * @brief Destroy the Playfair object
+ * 
+ */
 Playfair::~Playfair(){
 }
 
+/**
+ * @brief Uses keyword to set the characters in grid correctly
+ * 
+ */
 void Playfair::createGrid(){
 	unsigned int row, column;
 	bool found = false;
@@ -77,12 +92,19 @@ void Playfair::createGrid(){
 		++current;
 	}
 	//Put a check here that row == 5. If it doesn't then there is a problem
-	///Make this a propper exception throw rather than this
+	//TODO: Make this a propper exception throw rather than this
 	if(row != 5){
-		std::cout << "There is a problem with the grid!\n" << getGrid() << std::endl;;
+		//std::cout << "There is a problem with the grid!\n" << getGrid() << std::endl;;
 	}
 }
 
+/**
+ * @brief Checks if a letter is in the grid
+ * 
+ * @param letter The letter you want to check for
+ * @return true If the letter is found
+ * @return false If the letter is not found
+ */
 bool Playfair::checkGrid(const char letter) const{
 	//Step through every element in the grid and check for it
 	for(int rowCnt = 0;rowCnt < 5;++rowCnt){
@@ -101,6 +123,13 @@ bool Playfair::checkGrid(const char letter) const{
 	return false;
 }
 
+/**
+ * @brief Searches the grid for a letter
+ * 
+ * @param letter The letter you wish to find
+ * @param row The row that the letter is found in
+ * @param col The column that the letter is found in
+ */
 void Playfair::searchGrid(char letter, int& row, int& col){
 	////Start here
 	//Check if letter needs to be replaced
@@ -119,10 +148,14 @@ void Playfair::searchGrid(char letter, int& row, int& col){
 	}
 
 	//If letter was not found you need to throw an error
-	///Turn this into a propper exception throw rather than this
-	std::cout << "Error in searchGrid()\nLetter: " << letter << "\n\n" << getGrid() << std::endl;
+	//TODO: Turn this into a propper exception throw rather than this
+	//std::cout << "Error in searchGrid()\nLetter: " << letter << "\n\n" << getGrid() << std::endl;
 }
 
+/**
+ * @brief Makes sure all variables are blank
+ * 
+ */
 void Playfair::reset(){
 	inputString = outputString = keyword = "";
 	//Clear the grid
@@ -133,6 +166,11 @@ void Playfair::reset(){
 	}
 }
 
+/**
+ * @brief Encodes inputString using the rules of the Playfair cipher and stores it in outputString
+ * 
+ * @return outputString
+ */
 std::string Playfair::encode(){
 	outputString = "";
 	char letter1, letter2;
@@ -189,12 +227,24 @@ std::string Playfair::encode(){
 	return outputString;
 }
 
+/**
+ * @brief Uses keyword to set the grid, encodes input using the rules of the Playfair cipher, and returns the new message
+ * 
+ * @param keyword The keyword used to create the grid
+ * @param input The message that needs encoded
+ * @return The encoded message
+ */
 std::string Playfair::encode(std::string keyword, std::string input){
 	setKeyword(keyword);
 	setInputString(input);
 	return encode();
 }
 
+/**
+ * @brief Decodes inputString using the rules of the Playfair cipher and stores it in outputString
+ * 
+ * @return outputString
+ */
 std::string Playfair::decode(){
 	outputString = "";
 	char letter1, letter2;
@@ -251,12 +301,24 @@ std::string Playfair::decode(){
 	return outputString;
 }
 
+/**
+ * @brief Uses keyword to set the grid, decodes input using the rules of the Playfair cipher, and returns the new message
+ * 
+ * @param keyword The keyword used to create the grid
+ * @param input The message that needs decoded
+ * @return The decoded message
+ */
 std::string Playfair::decode(std::string keyword, std::string input){
 	setKeyword(keyword);
 	setInputString(input);
 	return decode();
 }
 
+/**
+ * @brief Removes all invalid characters and sets the keyword
+ * 
+ * @param key The string that is used for the keyword
+ */
 void Playfair::setKeyword(std::string key){
 	//Make sure the keyword is blank
 	keyword = "";
@@ -276,10 +338,20 @@ void Playfair::setKeyword(std::string key){
 	createGrid();
 }
 
+/**
+ * @brief Returns the current keyword
+ * 
+ * @return The current keyword
+ */
 std::string Playfair::getKeyword() const{
 	return keyword;
 }
 
+/**
+ * @brief Removes all invalid characters and sets inputString
+ * 
+ * @param input The message that needs to be encoded
+ */
 void Playfair::setInputString(std::string input){
 	//Make sure inputString is empty
 	inputString = "";
@@ -326,14 +398,29 @@ void Playfair::setInputString(std::string input){
 	}
 }
 
+/**
+ * @brief Returns the current inputString
+ * 
+ * @return The current message that needs encoded/decoded
+ */
 std::string Playfair::getInputString() const{
 	return inputString;
 }
 
+/**
+ * @brief Returns the current outputString
+ * 
+ * @return The encoded/decoded message
+ */
 std::string Playfair::getOutputString() const{
 	return outputString;
 }
 
+/**
+ * @brief Returns a representation of the current grid
+ * 
+ * @return A string representation of the grid
+ */
 std::string Playfair::getGrid() const{
 	std::string temp;
 	for(int row = 0;row < 5;++row){
@@ -345,10 +432,20 @@ std::string Playfair::getGrid() const{
 	return temp;
 }
 
+/**
+ * @brief Returns REPLACED
+ * 
+ * @return The letter that needs replaced for the cipher to work
+ */
 char Playfair::getReplaced(){
 	return REPLACED;
 }
 
+/**
+ * @brief Makes sure replaced is a valid character and sets REPLACED
+ * 
+ * @param replaced The letter to replace REPLACED
+ */
 void Playfair::setReplaced(const char replaced){
 	//Make sure the letter is in the correct range
 	if(replaced >= 'A' && replaced <= 'Z'){
@@ -362,10 +459,20 @@ void Playfair::setReplaced(const char replaced){
 	}
 }
 
+/**
+ * @brief Returned REPLACER
+ * 
+ * @return The letter that replaces REPLACED
+ */
 char Playfair::getReplacer(){
 	return REPLACER;
 }
 
+/**
+ * @brief Makes sure replacer is a valid character and sets REPLACER
+ * 
+ * @param replacer The letter to replace REPLACER
+ */
 void Playfair::setReplacer(const char replacer){
 	//Make sure the letter is in the correct range
 	if(replacer >= 'A' && replacer <='Z'){
@@ -379,10 +486,20 @@ void Playfair::setReplacer(const char replacer){
 	}
 }
 
+/**
+ * @brief Return DOUBLED
+ * 
+ * @return The letter that is added to the end to make the message of even length and placed between 2 ajoining letters that are the same 
+ */
 char Playfair::getDoubled(){
 	return DOUBLED;
 }
 
+/**
+ * @brief Makes sure doubled is a valid character and sets DOUBLED
+ * 
+ * @param doubled The letter to replace DOUBLED
+ */
 void Playfair::setDoubled(const char doubled){
 	//Make sure the letter is in the correct range
 	if(doubled >= 'A' && doubled <= 'Z'){