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// Copyright (c) 2002-2010 Joel de Guzman
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
#include <boost/spirit/include/qi.hpp>
#include <boost/phoenix/core.hpp>
#include <boost/phoenix/operator.hpp>
#include <boost/phoenix/object.hpp>
#include <boost/phoenix/stl.hpp>
#include <boost/fusion/include/adapt_struct.hpp>
#include <boost/fusion/include/io.hpp>
#include <iostream>
#include <string>
#include <complex>
using boost::spirit::qi::grammar;
using boost::spirit::qi::rule;
using boost::spirit::qi::char_;
using boost::spirit::qi::parse;
using boost::spirit::qi::_val;
using boost::spirit::qi::_1;
using boost::phoenix::push_back;
#define ATTR_PROPAGATE
struct test_attr
{
test_attr()
{
std::cout << "default construct" << std::endl;
}
test_attr(char)
{
std::cout << "construct from char" << std::endl;
}
test_attr(test_attr const&)
{
std::cout << "copy construct" << std::endl;
}
test_attr& operator=(test_attr const&)
{
std::cout << "assign" << std::endl;
return *this;
}
};
template <typename Iterator>
struct test_parser : grammar<Iterator, std::vector<test_attr>() >
{
test_parser() : test_parser::base_type(start)
{
#ifdef ATTR_PROPAGATE
start = char_ >> *(',' >> char_);
#else
start = char_[push_back(_val, _1)] >> *(',' >> char_[push_back(_val, _1)]);
#endif
}
rule<Iterator, std::vector<test_attr>()> start;
};
int main()
{
typedef std::string::const_iterator iterator_type;
typedef test_parser<iterator_type> test_parser;
test_parser g;
std::string str = "a,b,c,d,e";
std::vector<test_attr> result;
result.reserve(20);
std::string::const_iterator iter = str.begin();
std::string::const_iterator end = str.end();
bool r = parse(iter, end, g, result);
if (r && iter == end)
{
std::cout << "-------------------------\n";
std::cout << "Parsing succeeded\n";
std::cout << "\n-------------------------\n";
}
else
{
std::cout << "-------------------------\n";
std::cout << "Parsing failed\n";
std::cout << "-------------------------\n";
}
std::cout << "Bye... :-) \n\n";
return 0;
}
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