ceph/src/boost/libs/spirit/test/x3/skip.cpp

   1 /*=============================================================================
   2     Copyright (c) 2001-2015 Joel de Guzman
   3     Copyright (c) 2013 Agustin Berge
   4
   5     Distributed under the Boost Software License, Version 1.0. (See accompanying
   6     file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   7 =============================================================================*/
   8 #include <boost/detail/lightweight_test.hpp>
   9 #include <boost/spirit/home/x3.hpp>
  10
  11 #include <iostream>
  12 #include "test.hpp"
  13
  14 int
  15 main()
  16 {
  17     using spirit_test::test;
  18     using spirit_test::test_attr;
  19     using boost::spirit::x3::ascii::space;
  20     using boost::spirit::x3::ascii::space_type;
  21     using boost::spirit::x3::ascii::char_;
  22     using boost::spirit::x3::ascii::alpha;
  23     using boost::spirit::x3::lexeme;
  24     using boost::spirit::x3::skip;
  25     using boost::spirit::x3::lit;
  26
  27     {
  28         BOOST_TEST((test("a b c d", skip(space)[*char_])));
  29     }
  30
  31     { // test attribute
  32         std::string s;
  33         BOOST_TEST((test_attr("a b c d", skip(space)[*char_], s)));
  34         BOOST_TEST(s == "abcd");
  35     }
  36
  37     { // reskip
  38         BOOST_TEST((test("ab c d", lexeme[lit('a') >> 'b' >> skip[lit('c') >> 'd']], space)));
  39         BOOST_TEST((test("abcd", lexeme[lit('a') >> 'b' >> skip[lit('c') >> 'd']], space)));
  40         BOOST_TEST(!(test("a bcd", lexeme[lit('a') >> 'b' >> skip[lit('c') >> 'd']], space)));
  41
  42         BOOST_TEST((test("ab c d", lexeme[lexeme[lit('a') >> 'b' >> skip[lit('c') >> 'd']]], space)));
  43         BOOST_TEST((test("abcd", lexeme[lexeme[lit('a') >> 'b' >> skip[lit('c') >> 'd']]], space)));
  44         BOOST_TEST(!(test("a bcd", lexeme[lexeme[lit('a') >> 'b' >> skip[lit('c') >> 'd']]], space)));
  45     }
  46
  47     return boost::report_errors();
  48 }