ceph/src/boost/libs/spirit/test/karma/grammar.cpp

   1 //  Copyright (c) 2001-2011 Hartmut Kaiser
   2 //
   3 //  Distributed under the Boost Software License, Version 1.0. (See accompanying
   4 //  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   5
   6 #include <boost/config/warning_disable.hpp>
   7 #include <boost/detail/lightweight_test.hpp>
   8
   9 #include <boost/spirit/include/karma_operator.hpp>
  10 #include <boost/spirit/include/karma_char.hpp>
  11 #include <boost/spirit/include/karma_string.hpp>
  12 #include <boost/spirit/include/karma_numeric.hpp>
  13 #include <boost/spirit/include/karma_nonterminal.hpp>
  14 #include <boost/spirit/include/karma_action.hpp>
  15 #include <boost/spirit/include/phoenix_core.hpp>
  16 #include <boost/spirit/include/phoenix_operator.hpp>
  17
  18 #include <string>
  19 #include <iostream>
  20
  21 #include "test.hpp"
  22
  23 using namespace spirit_test;
  24 using namespace boost::spirit;
  25 using namespace boost::spirit::ascii;
  26
  27 typedef spirit_test::output_iterator<char>::type outiter_type;
  28
  29 struct num_list : karma::grammar<outiter_type, space_type>
  30 {
  31     num_list() : num_list::base_type(start)
  32     {
  33         using boost::spirit::int_;
  34         num1 = int_(123);
  35         num2 = int_(456);
  36         num3 = int_(789);
  37         start = num1 << ',' << num2 << ',' << num3;
  38     }
  39
  40     karma::rule<outiter_type, space_type> start, num1, num2, num3;
  41 };
  42
  43 int
  44 main()
  45 {
  46     { // simple grammar test
  47         num_list nlist;
  48         BOOST_TEST(test_delimited("123 , 456 , 789 ", nlist, space));
  49     }
  50
  51     { // direct access to the rules
  52         num_list def;
  53         BOOST_TEST(test_delimited("123 ", def.num1, space));
  54         BOOST_TEST(test_delimited("123 , 456 , 789 ", def.start, space));
  55     }
  56
  57     return boost::report_errors();
  58 }
  59