std::string split function

std::string split function

void split(const string& str, const string& delim, vector<string>* pParts) 
{
    size_t start, end = 0;
    while (end < str.size()) {
        start = end;
        while (start < str.size() && (delim.find(str[start]) != string::npos)) 
        {
            start++;  // skip initial whitespace
        }

        end = start;
        while (end < str.size() && (delim.find(str[end]) == string::npos)) 
        {
            end++; // skip to end of word
        }

        if (end - start != 0) {  // just ignore zero-length strings.
            pParts->push_back(string(str, start, end-start));
        }
    }
}