Sophie: spirit-1.5.1-2mdk noarch

spirit-1.5.1-2mdk.noarch.rpm

////////////////////////////////////////////////////////////////////////////
//
//  HTML/XML like tag matching grammar
//  { demonstrates phoenix and closures and parametric parsers ]
//
//  [ JDG 6/30/2002 ]
//
////////////////////////////////////////////////////////////////////////////
#include "boost/spirit/core.hpp"
#include "boost/spirit/attribute.hpp"
#include <iostream>
#include <string>

////////////////////////////////////////////////////////////////////////////
using namespace std;
using namespace spirit;
using namespace phoenix;

////////////////////////////////////////////////////////////////////////////
//
//  HTML/XML like tag matching grammar
//
////////////////////////////////////////////////////////////////////////////
struct tags_closure : spirit::closure<tags_closure, string> {

    member1 tag;
};

struct tags : public grammar<tags> {

    template <typename ScannerT>
    struct definition {

        definition(tags const& /*self*/)
        {
            element = start_tag >> *element >> end_tag;

            start_tag =
                    '<'
                >>  lexeme_d
                    [
                        (+alpha_p)
                        [
                            //  construct string from arg1 and arg2 lazily
                            //  and assign to element.tag

                            element.tag = construct_<string>(arg1, arg2)
                        ]
                    ]
                >> '>';

            end_tag = "</" >> fstr_p(element.tag) >> '>';
        }

        rule<ScannerT, tags_closure::context_t> element;
        rule<ScannerT> start_tag, end_tag;

        rule<ScannerT, tags_closure::context_t> const&
        start() const { return element; }
    };
};

////////////////////////////////////////////////////////////////////////////
//
//  Main program
//
////////////////////////////////////////////////////////////////////////////
int
main()
{
    cout << "/////////////////////////////////////////////////////////\n\n";
    cout << "\t\tHTML/XML like tag matching parser demo \n\n";
    cout << "/////////////////////////////////////////////////////////\n\n";
    cout << "Type an HTML/XML like nested tag input...or [q or Q] to quit\n\n";
    cout << "Example: <html><head></head><body></body></html>\n\n";

    tags p;    //  Our parser

    for (;;)
    {
        string str;
        getline(cin, str);
        if (str[0] == 'q' || str[0] == 'Q')
            break;

        parse_info<> info = parse(str.c_str(), p, space_p);

        if (info.full)
        {
            cout << "-------------------------\n";
            cout << "Parsing succeeded\n";
            cout << "-------------------------\n";
        }
        else
        {
            cout << "-------------------------\n";
            cout << "Parsing failed\n";
            cout << "stopped at: \": " << info.stop << "\"\n";
            cout << "-------------------------\n";
        }
    }

    cout << "Bye... :-) \n\n";
    return 0;
}