#include <iostream>
#include <string>
#include <boost/tokenizer.hpp>
#include <boost/format.hpp>
using namespace std;
using namespace boost;

string escapeAndQuote(const std::string& s) {
    string ret("\"");
    for (string::const_iterator i = s.begin(); i != s.end(); ++i) {
        const unsigned char c = *i;
        const string::const_iterator next = i + 1;
        if (c == '"' || (c == '\\' && (next == s.end() || *next == '"'))) {
            ret += '\\';
        }
        ret += c;
    }
    ret += "\"";
    return ret;
}

string resolveReplacementKeys(const string& s) {
    format resolver(s);
    resolver.exceptions(io::no_error_bits);
    return (resolver % "zip\\zam").str(); // subject value example
}

int main() {
    const string param_field("-dir \"c:\\\\program files\\\\dir\\\\\" -quote-of-the-day \"\\\"zip zam bam\\\"\" --quality=low --subject \"%1%\" \\\\ \"25%% more\"");
    cout << "Parameter field value:\n" << param_field << "\n\n";
    const escaped_list_separator<char> special("\\", " ","\"");
    const tokenizer<escaped_list_separator<char> > params(param_field, special);
    cout << "Parameters unescaped, unresolved and unquoted:\n";
    for(tokenizer<escaped_list_separator<char> >::const_iterator param = params.begin(); param != params.end(); ++param){
       cout << *param << "\n";
    }
    cout << "\nParameters escaped, resolved and quoted for Win32:\n";
    for(tokenizer<escaped_list_separator<char> >::const_iterator param = params.begin(); param != params.end(); ++param){
       cout << escapeAndQuote(resolveReplacementKeys(*param)) << "\n";
    }
}