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  1. // spirit-test.cpp : Defines the entry point for the console application.
  2. //
  3.  
  4. #include <string>
  5. #include <iostream>
  6. #include <boost/bind.hpp>
  7. #include <boost/spirit/include/qi.hpp>
  8. #include <boost/iterator/iterator_facade.hpp>
  9. #include <boost/spirit/include/support_ascii.hpp>
  10.  
  11.  
  12. namespace qi = boost::spirit::qi;
  13. namespace fusion = boost::fusion;
  14. namespace phoenix = boost::phoenix;
  15.  
  16. void getstr(std::string& str) 
  17. {
  18.     std::cout << str;
  19.     return ;
  20. }
  21.  
  22. template <typename Iterator >
  23. bool parse (Iterator begin, Iterator end)
  24. {
  25.     using qi::lexeme;
  26.     using qi::char_;
  27.     using qi::lit;
  28.     using qi::rule;
  29.     using qi::space;
  30.     using boost::spirit::no_skip;
  31.     using boost::spirit::ascii::space_type;
  32.  
  33.  
  34.  
  35.     rule<Iterator> Sequence;
  36.     rule<Iterator, std::string()> KeyName, Value, ValueExpression;
  37.  
  38.  
  39.     KeyName
  40.         %= no_skip[+char_("a-zA-Z0-9_") >> lit("=")]
  41.         ;
  42.  
  43.     Value
  44.         %=  +(char_ - char_("{=")) 
  45.         ;
  46.  
  47.     ValueExpression 
  48.         %= ( 
  49.         Value  
  50.         >> *space 
  51.         >> &(KeyName | lit("{"))
  52.         )
  53.         ;
  54.  
  55.     Sequence
  56.         =	
  57.         +(  KeyName[boost::bind(&getstr, _1)]
  58.             >> ValueExpression[boost::bind(&getstr, _1)]
  59.         )  
  60.         ;
  61.  
  62.     bool r =  qi::phrase_parse(begin, end, Sequence, space);
  63.     if (!r || begin != end) { return false; }
  64.     else return true;
  65. }
  66.  
  67. int main ()
  68. {
  69.     std::string test(" ARG=Test still in first ARG ARG2=Zombie cat EXP2=FunctionCall(A, B C) {" );
  70.     bool status = parse<std::string::const_iterator> (test.begin(), test.end());
  71.     return 0;
  72. }
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https://ideone.com/kgYD8
language:
C++ (gcc 8.3)
created:
11 years ago
visibility:
public

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