Naive string tokenizer

naive_tokenizer.cpp

vector<string> split(string s)
{
    vector<string> sRet;
    size_t i = 0;

    do
    {
        string sWord;

        // Find beginning of a word
        while(i < s.size() && s[i] == ' ') ++i;

        // Accumulate chars until end of a word or the input
        while(i < s.size() && s[i] != ' ')
        {
            sWord += s[i];
            i++;
        }

        // If we have a word save it
        if(!sWord.empty())
            sRet.push_back(sWord);
    }
    while(i < s.size());

    return sRet;
}