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  1. #include <boost/fusion/include/adapt_struct.hpp>
  2. #include <boost/spirit/include/qi.hpp>
  3. #include <boost/spirit/include/phoenix.hpp>
  4.  
  5. #include <vector>
  6. #include <string>
  7. #include <iomanip>
  8. #include <algorithm>
  9.  
  10. namespace qi    = boost::spirit::qi;
  11. namespace ascii = boost::spirit::ascii;
  12. namespace phx   = boost::phoenix;
  13.  
  14. struct my_record {
  15.     std::vector<int>          m_ints;
  16.     std::vector<std::string>  m_strs;
  17. };
  18.  
  19. std::ostream& operator<<( std::ostream& os, const my_record& rec ) {
  20.     for( const auto& x : rec.m_ints )
  21.         os << x << ' ';
  22.     os << '\n';
  23.  
  24.     for( const auto& x : rec.m_strs )
  25.         os << x << ' ';
  26.     return os;
  27. }
  28.  
  29. BOOST_FUSION_ADAPT_STRUCT(
  30.     ::my_record,
  31.     (std::vector<int>,          m_ints)
  32.     (std::vector<std::string>,  m_strs)
  33. )
  34.  
  35. template<typename Iterator>
  36. struct my_grammar
  37. : qi::grammar<Iterator, my_record(), ascii::space_type> {
  38.  
  39.     my_grammar()
  40.     : my_grammar::base_type(start) {
  41.  
  42.         quoted_string %= qi::lexeme['"' >> +(qi::char_ - '"') >> '"'];
  43.  
  44.         start = qi::lit("{")
  45.                 >>
  46.                 *( "INT:" >> qi::int_
  47.                     [
  48.                         phx::push_back(
  49.                             phx::at_c<0>(
  50.                                 qi::_val
  51.                             ),
  52.                             qi::_1
  53.                         )
  54.                     ] % ","
  55.                  | "STR:" >> quoted_string
  56.                     [
  57.                         phx::push_back(
  58.                             phx::bind(
  59.                                 &my_record::m_strs,
  60.                                 qi::_val
  61.                             ),
  62.                             qi::_1
  63.                         )
  64.                     ] % ","
  65.                  )
  66.                 >>
  67.                 "}"
  68.                 ;
  69.     }
  70.     qi::rule<Iterator, std::string(), ascii::space_type> quoted_string;
  71.     qi::rule<Iterator, my_record(),   ascii::space_type> start;
  72. };
  73.  
  74. int main () {
  75.     std::string        input1 = "{ STR: \"Joe\" INT: 42, 24 STR: \"Smith\" ,\"John\" }";
  76.     auto first=input1.begin(), last=input1.end();
  77.     my_record mr;
  78.     my_grammar<decltype(first)> g;
  79.     bool r=qi::phrase_parse(
  80.         first,
  81.         last,
  82.         g,
  83.         ascii::space,
  84.         mr
  85.     );
  86.     std::cout << std::boolalpha << "Parsed: " << r << '\n' << mr << '\n';
  87.     return r;
  88. }
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin
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Standard input is empty
compilation info 
prog.cpp:1:49: fatal error: boost/fusion/include/adapt_struct.hpp: No such file or directory
compilation terminated.
stdout
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Standard output is empty
https://ideone.com/XW18Z2
language:
C++14 (gcc 8.3)
created:
11 years ago
visibility:
public

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