Boost spirit: how to parse string of value pairs into map and back?

This should do the trick, parsing pairs and printing the results using Karma, although we should probably both go read Hartmut's article! Include // Parsing #include // Generation #include // Make std::pair a fusion vector int main( int argc, char**argv) { using namespace boost::spirit; std::string str = "keyA=value1; keyB=value2;keyC=value3;"; std::map contents; std::string::iterator first = str.begin(); std::string::iterator last = str.end(); const bool result = qi::phrase_parse(first,last, *( *(qi::char_-"=") >> qi::lit("=") >> *(qi::char_-";") >> -qi::lit(";") ), ascii::space, contents); assert(result && first==last); std::cout.

This should do the trick, parsing pairs and printing the results using Karma, although we should probably both go read Hartmut's article! #include // Parsing #include // Generation #include // Make std::pair a fusion vector int main( int argc, char**argv) { using namespace boost::spirit; std::string str = "keyA=value1; keyB=value2;keyC=value3;"; std::map contents; std::string::iterator first = str.begin(); std::string::iterator last = str.end(); const bool result = qi::phrase_parse(first,last, *( *(qi::char_-"=") >> qi::lit("=") >> *(qi::char_-";") >> -qi::lit(";") ), ascii::space, contents); assert(result && first==last); std::cout.

AFAICT, they explain exactly what you're trying to do.

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