Convert String to binary and vice verse

str2binANDbin2str.cpp

#include <iostream>
#include <bitset>

using namespace std;

string stringToBinary(string str) {
	string binary;
	for (size_t i = 0; i < str.size(); i++)
	{
		binary += bitset<8>(str.c_str()[i]).to_string();
	}
	return binary;
}

unsigned long long saveToLong(string binary){
	
	const short int sizeLimit =  sizeof(unsigned long long) * 8;	
	const int noOfBits = binary.size() - 1;
	if (noOfBits > sizeLimit){
		int bitToRemove = noOfBits - sizeLimit;
		binary.erase(binary.end() - bitToRemove, binary.end());
		cout << endl << "****Loss of data string size greater than long (64 bit)****" << endl;
	}
	else {
		//Add extra zeros
		string tmp;
		for (int i = 0; i < (sizeLimit - noOfBits) ; i++){
			tmp += "0";
		} 
		binary += tmp;
	}

	return bitset<sizeLimit>(binary).to_ullong();

}

string binaryToString (string binary) {
	string str;
	char tmp[8];
	for (size_t i = 0; i < binary.size() ; i+=8) {
		for (int j = 0; j < 8 ; j++) {
			tmp[j] = binary[i+j];
		}
		str += (char)bitset<8>(tmp).to_ulong();
	}
	return str;
}

string longToString(long long int longData){
	const short int sizeLimit =  sizeof(unsigned long long int) * 8;	
	string binary = bitset<sizeLimit>(longData).to_string();
	return binaryToString(binary); 
}

int main(){
	string str = "Syed Owais Ali Chishti";
	cout << "String: " << str << endl << endl;

	string binary = stringToBinary(str);
	cout << "String to Binary: " << binary << endl << endl;

	string binToStr = binaryToString(binary);
	cout << "Binary to String: " << binToStr << endl << endl;

	unsigned long long longData = saveToLong(binary);
	cout << "Long Value (64 bits): " << longData << endl;
	cout << "Long to String: " << longToString(longData) << endl  << endl;


	  
    return 0;
}