Ticket #3227: main.cpp

#include <iostream>
#include <string>
#include <boost/spirit/include/qi.hpp>
#include <boost/spirit/include/support.hpp>
#include <boost/spirit/include/phoenix.hpp>


namespace parsers
{
    namespace qi = boost::spirit::qi;
    namespace ascii = boost::spirit::ascii;
    namespace ph = boost::phoenix;

    template <class Iterator>
    struct gram_1:qi::grammar<Iterator,std::string() >
    {
        gram_1():gram_1::base_type(start)
        {
            start %= qi::raw[(ascii::string("abc") >> ascii::string("def") )
                [std::cout << qi::_1 << std::endl]];
        }
        qi::rule<Iterator,std::string()> start;
    };

    template <class Iterator>
    struct gram_2:qi::grammar<Iterator,std::string() >
    {
        gram_2():gram_2::base_type(start)
        {
            start %= qi::raw['"' >> *ascii::string("abc") >> '"'];
        }
        qi::rule<Iterator,std::string() > start;
    };

}

template <class P>
bool do_parse(const char *p, const P & parser)
{
    std::string in(p);
    std::string::iterator first(in.begin());
    std::string result;

    bool r = phrase_parse(first,in.end(),parser,result);
    if( r)
    {
        std::cout << "parse of \"" << in << "\" produced $" << result << "$\n";
    }
    else
    {
        std::cout << "parse of \"" << in << "\" failed\n";
    }
    return  r;
}

int main()
{
    char *av[] = {"","abcdef","\"abcabcabc\""};

    parsers::gram_1<std::string::iterator> g_1;
    parsers::gram_2<std::string::iterator> g_2;

    do_parse(av[1],g_1);
    do_parse(av[2],g_2);
    return 0;
}