ceph/src/boost/libs/spirit/test/karma/list.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/mpl/print.hpp>
  10
  11 #include <boost/spirit/include/karma_operator.hpp>
  12 #include <boost/spirit/include/karma_char.hpp>
  13 #include <boost/spirit/include/karma_string.hpp>
  14 #include <boost/spirit/include/karma_numeric.hpp>
  15 #include <boost/spirit/include/karma_directive.hpp>
  16 #include <boost/spirit/include/karma_action.hpp>
  17 #include <boost/spirit/include/karma_nonterminal.hpp>
  18 #include <boost/spirit/include/karma_auxiliary.hpp>
  19 #include <boost/spirit/include/phoenix_core.hpp>
  20 #include <boost/spirit/include/phoenix_operator.hpp>
  21 #include <boost/spirit/include/phoenix_object.hpp>
  22 #include <boost/spirit/include/phoenix_stl.hpp>
  23 #include <boost/fusion/include/std_pair.hpp>
  24
  25 #include <boost/assign/std/vector.hpp>
  26
  27 #include <string>
  28 #include <vector>
  29 #include <iostream>
  30
  31 #include "test.hpp"
  32
  33 using namespace spirit_test;
  34 using boost::spirit::unused_type;
  35
  36 ///////////////////////////////////////////////////////////////////////////////
  37 struct action
  38 {
  39     action (std::vector<char>& vec)
  40       : vec(vec), it(vec.begin())
  41     {}
  42
  43     void operator()(unsigned& value, unused_type const&, bool& pass) const
  44     {
  45        pass = (it != vec.end());
  46        if (pass)
  47            value = *it++;
  48     }
  49
  50     std::vector<char>& vec;
  51     mutable std::vector<char>::iterator it;
  52 };
  53
  54 ///////////////////////////////////////////////////////////////////////////////
  55 int main()
  56 {
  57     using namespace boost::spirit;
  58     using namespace boost::spirit::ascii;
  59
  60     using namespace boost::assign;
  61
  62     std::vector<char> v;
  63     v += 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h';
  64
  65     {
  66         BOOST_TEST(test("a,b,c,d,e,f,g,h", char_ % ',', v));
  67         BOOST_TEST(test_delimited("a , b , c , d , e , f , g , h ",
  68             char_ % ',', v, space));
  69     }
  70
  71     {
  72         std::string s ("abcdefgh");
  73         BOOST_TEST(test("a,b,c,d,e,f,g,h", char_ % ',', s));
  74         BOOST_TEST(test_delimited("a , b , c , d , e , f , g , h ",
  75             char_ % ',', s, space));
  76     }
  77
  78     {
  79         std::string s ("abcdefg");
  80         BOOST_TEST(test("abc,de,fg", char_ << ((char_ << char_) % ','), s));
  81         BOOST_TEST(test_delimited("a b c , d e , f g ",
  82             char_ << ((char_ << char_) % ','), s, space));
  83     }
  84
  85     { // actions
  86         namespace phx = boost::phoenix;
  87
  88         BOOST_TEST(test("a,b,c,d,e,f,g,h", (char_ % ',')[_1 = phx::ref(v)]));
  89         BOOST_TEST(test_delimited("a , b , c , d , e , f , g , h ",
  90             (char_ % ',')[_1 = phx::ref(v)], space));
  91     }
  92
  93     // failing sub-generators
  94     {
  95         using boost::spirit::karma::strict;
  96         using boost::spirit::karma::relaxed;
  97
  98         typedef std::pair<char, char> data;
  99         std::vector<data> v2;
 100         v2 += std::make_pair('a', 'a'),
 101               std::make_pair('b', 'b'),
 102               std::make_pair('c', 'c'),
 103               std::make_pair('d', 'd'),
 104               std::make_pair('e', 'e'),
 105               std::make_pair('f', 'f'),
 106               std::make_pair('g', 'g');
 107
 108         karma::rule<spirit_test::output_iterator<char>::type, data()> r;
 109
 110         r = &char_('d') << char_;
 111         BOOST_TEST(test("d", r % ',', v2));
 112         BOOST_TEST(test("d", relaxed[r % ','], v2));
 113         BOOST_TEST(!test("", strict[r % ','], v2));
 114
 115         r = &char_('a') << char_;
 116         BOOST_TEST(test("a", r % ',', v2));
 117         BOOST_TEST(test("a", relaxed[r % ','], v2));
 118         BOOST_TEST(test("a", strict[r % ','], v2));
 119
 120         r = &char_('g') << char_;
 121         BOOST_TEST(test("g", r % ',', v2));
 122         BOOST_TEST(test("g", relaxed[r % ','], v2));
 123         BOOST_TEST(!test("", strict[r % ','], v2));
 124
 125         r = !char_('d') << char_;
 126         BOOST_TEST(test("a,b,c,e,f,g", r % ',', v2));
 127         BOOST_TEST(test("a,b,c,e,f,g", relaxed[r % ','], v2));
 128         BOOST_TEST(test("a,b,c", strict[r % ','], v2));
 129
 130         r = !char_('a') << char_;
 131         BOOST_TEST(test("b,c,d,e,f,g", r % ',', v2));
 132         BOOST_TEST(test("b,c,d,e,f,g", relaxed[r % ','], v2));
 133         BOOST_TEST(!test("", strict[r % ','], v2));
 134
 135         r = !char_('g') << char_;
 136         BOOST_TEST(test("a,b,c,d,e,f", r % ',', v2));
 137         BOOST_TEST(test("a,b,c,d,e,f", relaxed[r % ','], v2));
 138         BOOST_TEST(test("a,b,c,d,e,f", strict[r % ','], v2));
 139
 140         r = &char_('A') << char_;
 141         BOOST_TEST(!test("", r % ',', v2));
 142     }
 143
 144     {
 145         // make sure user defined end condition is applied if no attribute
 146         // is passed in
 147         BOOST_TEST(test("[61,62,63,64,65,66,67,68]",
 148             '[' << hex[action(v)] % ',' << ']'));
 149     }
 150
 151     return boost::report_errors();
 152 }
 153