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#include <boost/config/warning_disable.hpp>
#include <boost/spirit/include/qi.hpp>
#include <boost/spirit/include/phoenix_core.hpp>
#include <boost/spirit/include/phoenix_operator.hpp>
#include <boost/spirit/include/phoenix_object.hpp>
//#include <boost/fusion/include/adapt_struct.hpp>
#include <boost/fusion/include/adapt_class.hpp>
#include <boost/fusion/include/io.hpp>
#include <iostream>
#include <string>
#include <complex>
namespace client
{
namespace qi = boost::spirit::qi;
namespace ascii = boost::spirit::ascii;
// Remplacement de la structure employee par une classe.
class employee
{
private:
int age;
std::string surname;
std::string forename;
double salary;
public:
employee(): age(0), surname(""), forename(""), salary(0.0) {};
virtual ~employee() {
}
int getAge() const {
return age;
}
void setAge(int age) {
this->age = age;
}
const std::string& getForename() const {
return forename;
}
void setForename(const std::string& forename) {
this->forename = forename;
}
double getSalary() const {
return salary;
}
void setSalary(double salary) {
this->salary = salary;
}
const std::string& getSurname() const {
return surname;
}
void setSurname(const std::string& surname) {
this->surname = surname;
}
};
} //namespace client
//*********************
// LA PARTIE QUI CHANGE
//*********************
BOOST_FUSION_ADAPT_CLASS(
client::employee,
(int, int, obj.getAge(), obj.setAge(val))
(const std::string&, const std::string&, obj.getSurname(), obj.setSurname(val))
(const std::string&, const std::string&, obj.getForename(), obj.setForename(val))
(double, double, obj.getSalary(), obj.setSalary(val))
)
namespace client
{
///////////////////////////////////////////////////////////////////////////////
// Our employee parser
///////////////////////////////////////////////////////////////////////////////
//[tutorial_employee_parser
template <typename Iterator>
struct employee_parser : qi::grammar<Iterator, employee(), ascii::space_type>
{
employee_parser() : employee_parser::base_type(start)
{
using qi::int_;
using qi::lit;
using qi::double_;
using qi::lexeme;
using ascii::char_;
quoted_string %= lexeme['"' >> +(char_ - '"') >> '"'];
start %=
lit("employee")
>> '{'
>> int_ >> ','
>> quoted_string >> ','
>> quoted_string >> ','
>> double_
>> '}'
;
}
qi::rule<Iterator, std::string(), ascii::space_type> quoted_string;
qi::rule<Iterator, employee(), ascii::space_type> start;
};
//]
}
////////////////////////////////////////////////////////////////////////////
// Main program
////////////////////////////////////////////////////////////////////////////
int
main()
{
std::cout << "/////////////////////////////////////////////////////////\n\n";
std::cout << "\t\tAn employee parser for Spirit...\n\n";
std::cout << "/////////////////////////////////////////////////////////\n\n";
std::cout
<< "Give me an employee of the form :"
<< "employee{age, \"surname\", \"forename\", salary } \n";
std::cout << "Type [q or Q] to quit\n\n";
using boost::spirit::ascii::space;
typedef std::string::const_iterator iterator_type;
typedef client::employee_parser<iterator_type> employee_parser;
employee_parser g; // Our grammar
std::string str;
while (getline(std::cin, str))
{
if (str.empty() || str[0] == 'q' || str[0] == 'Q')
break;
client::employee emp;
std::string::const_iterator iter = str.begin();
std::string::const_iterator end = str.end();
bool r = phrase_parse(iter, end, g, space, emp);
if (r && iter == end)
{
std::cout << boost::fusion::tuple_open('[');
std::cout << boost::fusion::tuple_close(']');
std::cout << boost::fusion::tuple_delimiter(", ");
std::cout << "-------------------------\n";
std::cout << "Parsing succeeded\n";
std::cout << "age: " << emp.getAge() << ", surname: " << emp.getSurname() << ", forename: " << emp.getForename() << ", salary: " << emp.getSalary() << std::endl;
// std::cout << "got: " << boost::fusion::as_vector(emp) << std::endl;
std::cout << "\n-------------------------\n";
}
else
{
std::cout << "-------------------------\n";
std::cout << "Parsing failed\n";
std::cout << "-------------------------\n";
}
}
std::cout << "Bye... :-) \n\n";
return 0;
} |
24/08/2012, 16h51
Boost::Spirit::Qi et BOOST_FUSION_ADAPT_CLASS
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