1 |
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2 | #include <boost/spirit/include/qi.hpp>
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3 | #include <boost/spirit/include/phoenix_operator.hpp>
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4 |
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5 | #include "map.hpp"
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6 |
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7 | namespace qi = boost::spirit::qi;
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8 | namespace qi_repo = boost::spirit::repository::qi;
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9 | namespace ascii = boost::spirit::ascii;
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10 |
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11 | int main(int argc, char **argv)
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12 | {
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13 | using boost::spirit::ascii::space;
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14 | typedef std::string::const_iterator iter_type;
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15 | using qi::_a;
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16 | using qi::_1;
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17 |
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18 | qi::rule<iter_type, ascii::space_type>
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19 | id = qi::lexeme[*(ascii::alnum | '_')],
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20 | one = id, two = id >> ',' >> id;
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21 |
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22 | typedef qi::rule<iter_type, ascii::space_type> term_type;
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23 |
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24 | std::map<int, term_type*> keymap;
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25 | keymap[1] = &one;
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26 | keymap[2] = &two;
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27 |
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28 | qi::rule<iter_type, ascii::space_type, qi::locals<term_type*> >
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29 | start = *(qi_repo::map(keymap)[qi::int_][_a = _1] >> qi::lazy(*_a));
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30 |
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31 | std::string str = "1 only\n1 again\n2 first,second\n0 ugh";
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32 | iter_type iter = str.begin();
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33 | iter_type end = str.end();
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34 |
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35 | bool r = phrase_parse(iter, end, start, space);
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36 |
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37 | if (r && iter == end) {
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38 | std::cout << "-------------------------\n";
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39 | std::cout << "Parsing succeeded\n";
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40 | std::cout << "-------------------------\n";
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41 | } else {
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42 | std::string rest(iter, end);
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43 | std::cout << "-------------------------\n";
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44 | std::cout << "Parsing failed\n";
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45 | std::cout << "stopped at: \": " << rest << "\"\n";
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46 | std::cout << "-------------------------\n";
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47 | }
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48 |
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49 | return 0;
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50 | }
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