csv_line_grammar<Iterator, Skipper>::csv_line_grammar()
: csv_line_grammar::base_type(line)
{
qi::_r1_type _r1;
qi::_r2_type _r2;
qi::lit_type lit;
qi::char_type char_;
unesc_char.add
("\\a", '\a')
("\\b", '\b')
("\\f", '\f')
("\\n", '\n')
("\\r", '\r')
("\\t", '\t')
("\\v", '\v')
("\\\\",'\\')
("\\\'", '\'')
("\\\"", '\"')
("\"\"", '\"') // double quote
;
line = -lit("\r") > -lit("\n") > column(_r1, _r2) % lit(_r1)
;
column = quoted(_r2) | *(char_ - lit(_r1))
;
quoted = lit(_r1) > text(_r1) > lit(_r1) // support unmatched quotes or not (??)
;
text = *(unesc_char | (char_ - lit(_r1)))
;
BOOST_SPIRIT_DEBUG_NODES((line)(column)(quoted));
}
int main()
{
std::string input("d:/std/prte/type.spr#12");
typedef std::string::const_iterator It;
std::pair<std::string, int> p;
qi::rule<It, std::string()> srule = *qi::char_;
qi::rule<It, int()> irule = qi::int_;
BOOST_SPIRIT_DEBUG_NODES((srule)(irule))
It iter = input.begin(), end = input.end();
bool ok = qi::parse(iter, end,
srule >> '#' >> irule, // parser grammar
p
);
if (ok)
std::cout << "Parse success\n";
else
std::cout << "Parse failed\n";
if (iter != end)
std::cout << "Remaining unparsed: '" << std::string(iter,end) << "'\n";
}
