Code cleanup and moving functions out of classes that do not belong

Conversions.h

@@ -0,0 +1,25 @@
+#ifndef CONVERSIONS_H_
+#define CONVERSIONS_H_
+
+#include<string>
+#include<sstream>
+
+class Conversions
+{
+public:
+	Conversions() = default;
+
+	std::string cstringToString(char[], const int);
+private:
+};
+
+std::string Conversions::cstringToString(char tmp[], const int size)
+{
+	std::string tmpString{};
+	std::stringstream cToS{};
+	for (auto index =0; index!=size; ++ index)
+		cToS << tmp[index];
+	cToS >> tmpString;
+	return tmpString;
+}
+#endif

Decryption.cpp

@@ -3,7 +3,7 @@
 #include<sstream>
 #include<ios>
 #include<vector>
-
+#include"Conversions.h"
 #include"Decryption.h"
 #include"KeyRetrieval.h"
 
@@ -15,10 +15,8 @@ Decryption::Decryption(const std::string& message)
 }
 
 
-void Decryption::setDecryptedMessage(const std::string& message)
+void Decryption::setDecryptedMessage(const std::string& message) { this->decryptedMessage = message; }	
-{ this->decryptedMessage = message; }	
+void Decryption::setMessage(const std::string& message) { this->message = message; }
-void Decryption::setMessage(const std::string& message)
-{ this->message = message; }
 
 void Decryption::decryptMessage()
 {
@@ -34,19 +32,17 @@ void Decryption::decryptMessage()
 	for (auto indexOfChar = 0u; indexOfChar<messageToBeDecrypted.size(); indexOfChar+=5)
 	{
 		char cryptedKey[5]{};
-		for (auto index = 0; index!=5; ++index)
+		for (auto index = 0; index!=keyLength; ++index)
 			cryptedKey[index] = (messageToBeDecrypted.at(indexOfChar + index));	
-			
+		Conversions cnvert;			
-		decryptedMessage += decryptedCharacters[cstringToString(cryptedKey, 5)];
+		decryptedMessage += decryptedCharacters[cnvert.cstringToString(cryptedKey, 5)];
 	}
 	setDecryptedMessage(decryptedMessage);
 }
 
 
-std::string Decryption::getDecryptedMessage() const
+std::string Decryption::getDecryptedMessage() const { return decryptedMessage; }	
-{ return decryptedMessage; }	
+std::string Decryption::getMessage() const { return message; }
-std::string Decryption::getMessage() const
-{ return message; }
 
 void Decryption::setupMap()
 {
@@ -54,15 +50,6 @@ void Decryption::setupMap()
 	std::vector<std::string> k{kr.keyStructure()};
 	std::vector<int> c{kr.codeCharacterStructure()};
 
-	for (auto index = 0; index!=c.size(); ++index)
+	for (auto index = 0u; index!=c.size(); ++index)
 		decryptedCharacters[k[index]] = c[index];
 }
-std::string Decryption::cstringToString(char tmp[], const int& SIZE)
-{
-	std::string tmpString{};
-	std::stringstream cToS{};	
-	for (auto index = 0; index!=SIZE; ++index)
-		cToS << tmp[index];	
-	cToS >> tmpString;
-	return tmpString;
-}

Decryption.h

@@ -1,7 +1,6 @@
 #ifndef DECRYPTION_H
 #define DECRYPTION_H
 
-#include<fstream>
 #include<string>
 #include<map>
 #include"Cryption.h"
@@ -21,9 +20,9 @@ public:
 	std::string getMessage() const override;
 private:
 	void setupMap();
-	std::string cstringToString(char[], const int&);
 	std::string decryptedMessage;
 	std::map<std::string, char> decryptedCharacters;
+	const int keyLength{5};
 };
 
 #endif

EncryptedMessaging.pro

@@ -9,7 +9,7 @@ QT += widgets
 INCLUDEPATH += .
 
 # Input
-HEADERS += Decryption.h Encryption.h GenerateKeys.h MessagingControls.h Cryption.h KeyManagementWindow.h KeyRetrieval.h
+HEADERS += Decryption.h Encryption.h GenerateKeys.h MessagingControls.h Cryption.h KeyManagementWindow.h KeyRetrieval.h Conversions.h
 SOURCES += Decryption.cpp \
            Encryption.cpp \
 	   Cryption.cpp \

Encryption.cpp

@@ -2,7 +2,6 @@
 #include<iostream>
 #include<fstream>
 #include<string>
-
 #include"Encryption.h"
 #include"GenerateKeys.h"
 #include"KeyRetrieval.h"
@@ -16,10 +15,8 @@ Encryption::Encryption(const std::string& message)
 }
 
 
-void Encryption::setEncryptedMessage(const std::string& encryptedMessage)
+void Encryption::setEncryptedMessage(const std::string& encryptedMessage) { this->encryptedMessage = encryptedMessage; }
-{ this->encryptedMessage = encryptedMessage; }
+void Encryption::setMessage(const std::string& message) { this->message = message; }
-void Encryption::setMessage(const std::string& message)
-{ this->message = message; }
 void Encryption::encryptMessage()
 {
 	std::fstream ioEvent{};
@@ -41,11 +38,9 @@ void Encryption::setupMap()
 	std::vector<std::string> k{kr.keyStructure()};
 	std::vector<int> c{kr.codeCharacterStructure()};
 
-	for (auto index = 0; index!=k.size(); ++index)
+	for (auto index = 0u; index!=k.size(); ++index)
 		encryptedCharacters[c[index]] = k[index];
 }
-std::string Encryption::getEncryptedMessage() const
+std::string Encryption::getEncryptedMessage() const { return encryptedMessage; }
-{ return encryptedMessage; }
+std::string Encryption::getMessage() const { return message; }
-std::string Encryption::getMessage() const
-{ return message; }
 std::map<char, std::string> Encryption::encryptedCharactersStructure() { return encryptedCharacters; }

Encryption.h

@@ -1,7 +1,6 @@
 #ifndef ENCRYPTION_H
 #define ENCRYPTION_H
 
-#include<fstream>
 #include<string>
 #include<map>
 #include"Cryption.h"
@@ -25,5 +24,4 @@ private:
 	std::string encryptedMessage;
 	std::map<char, std::string> encryptedCharacters;
 };
-
 #endif

GenerateKeys.cpp

@@ -2,7 +2,6 @@
 #include<sstream>
 #include<fstream>
 #include<ios>
-
 #include"GenerateKeys.h"
 
 GenerateKeys::GenerateKeys()
@@ -93,7 +92,7 @@ void GenerateKeys::generateKey(std::string& key, const int& SIZE)
 }
 void GenerateKeys::keyMove()
 {
-	for (auto index = 0; index!=allCharacters.size(); ++index)
+	for (auto index = 0u; index!=allCharacters.size(); ++index)
 	{
 		std::string tmpKey{};	
 		generateKey(tmpKey, keySize);
@@ -115,11 +114,11 @@ void GenerateKeys::print(const std::vector<int>& ch)
 }
 bool GenerateKeys::isThereRepetition()
 {
-	for (auto index = 0; index!=allCharacters.size(); ++index)
+	for (auto index = 0u; index!=allCharacters.size(); ++index)
 	{
 		std::string chosenOne{keys[index]};
 		auto repetition{0};
-		for (auto innerIndex = 0; innerIndex!=allCharacters.size(); ++innerIndex)
+		for (auto innerIndex = 0u; innerIndex!=allCharacters.size(); ++innerIndex)
 			if (chosenOne == keys[innerIndex])
 				++repetition;
 		if (repetition > 1)

KeyManagementWindow.cpp

@@ -1,8 +1,3 @@
-#include"KeyManagementWindow.h"
-#include"Encryption.h"
-#include"GenerateKeys.h"
-#include"KeyRetrieval.h"
-
 #include<QtWidgets>
 #include<QString>
 #include<QWidget>
@@ -12,6 +7,10 @@
 #include<cstdlib>
 #include<fstream>
 #include<ios>
+#include"KeyManagementWindow.h"
+#include"Encryption.h"
+#include"GenerateKeys.h"
+#include"KeyRetrieval.h"
 
 KeyManagementWindow::KeyManagementWindow(QWidget* parent) : QDialog(parent)
 {

KeyManagementWindow.h

@@ -35,8 +35,8 @@ private:
 	unique_ptr<QComboBox> comboBoxOfKeys;
 	unique_ptr<QLineEdit> valueOfKey;
 	unique_ptr<QPushButton> generateNewDefaultKeys;
-	int windowWidth{400};
+	const int windowWidth{400};
-	int windowHeight{400};
+	const int windowHeight{400};
 };
 
 #endif

KeyRetrieval.cpp

@@ -18,10 +18,8 @@ void KeyRetrieval::retrieveKey()
 	{
 		readKeys.getline(keyChar, '\n');
 		if (keyChar[0]!='\0')
-		{
 			keys.push_back(keyChar);
 	}
-	}
 }
 void KeyRetrieval::addToList()
 {
@@ -42,11 +40,5 @@ void KeyRetrieval::addRange(int from, const int to)
 		codeCharacter.push_back(from);
 }
 
-std::vector<std::string> KeyRetrieval::keyStructure()
+std::vector<std::string> KeyRetrieval::keyStructure() { return keys; }
-{
+std::vector<int> KeyRetrieval::codeCharacterStructure() { return codeCharacter; }
-	return keys;
-}
-std::vector<int> KeyRetrieval::codeCharacterStructure()
-{
-	return codeCharacter;
-}

KeyRetrieval.h

@@ -22,6 +22,6 @@ private:
 	std::vector<std::string> keys;
 	std::vector<char> characters;
 	std::vector<int> codeCharacter;
-	int keySize{5};
+	const int keySize{5};
 };
 #endif