Ubify

Ubify.cpp

#include <string>
#include <iostream>

using namespace std;

char replacementChar[12] = { 'a', 'e', 'i', 'o', 'u', 'y'};

string ubify(string baseString);

bool matches(char c);

int main(int argc, char *argv[]) {
    if (argc >= 2) {
        for (int i = 1; i < argc; i++) {
            cout << ubify(argv[i]).c_str() << " ";
        }
        cout << endl;
    } else {
        bool cont = true;
        do {
            string line = "";
            cout << "Input something to ubify (type /exit to quit): " << endl;
            getline(cin, line);
            if (!line.empty()) {
                if (line.compare("/exit") == 0)
                    cont = false;
                else
                    cout << ubify(line) << endl;
            }
        } while (cont);
    }
    return 0;
}

string ubify(string baseString) {
    string out = "";
    int size = baseString.size();
    for (int i = 0; i < size; i++) {
        char ch = baseString[i];
        if (matches(ch)) {
            if (isupper(ch))
                out += "Ub";
            else
                out += "ub";
        } else
            out += ch;
    }
    return out;
}

bool matches(char c) {
    for (int i = 0; i < sizeof(replacementChar); i++) {
        if (tolower(c) == replacementChar[i])
            return true;
    }
    return false;
}